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gecko-dev/widget/cocoa/nsChildView.mm

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/* -*- Mode: objc; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/ArrayUtils.h"
#include "mozilla/Logging.h"
#include "mozilla/Unused.h"
#include <unistd.h>
#include <math.h>
#include "nsChildView.h"
#include "nsCocoaWindow.h"
#include "mozilla/MiscEvents.h"
#include "mozilla/MouseEvents.h"
#include "mozilla/TextEvents.h"
#include "mozilla/TouchEvents.h"
#include "mozilla/WheelHandlingHelper.h" // for WheelDeltaAdjustmentStrategy
#include "mozilla/dom/DataTransfer.h"
#include "mozilla/dom/MouseEventBinding.h"
#include "mozilla/dom/SimpleGestureEventBinding.h"
#include "mozilla/dom/WheelEventBinding.h"
#include "nsArrayUtils.h"
#include "nsExceptionHandler.h"
#include "nsObjCExceptions.h"
#include "nsCOMPtr.h"
#include "nsThreadUtils.h"
#include "nsToolkit.h"
#include "nsCRT.h"
#include "nsFontMetrics.h"
#include "nsIRollupListener.h"
#include "nsViewManager.h"
#include "nsIInterfaceRequestor.h"
#include "nsIFile.h"
#include "nsILocalFileMac.h"
#include "nsGfxCIID.h"
#include "nsStyleConsts.h"
#include "nsIWidgetListener.h"
#include "nsIPresShell.h"
#include "nsIScreen.h"
#include "nsDragService.h"
#include "nsClipboard.h"
#include "nsCursorManager.h"
#include "nsWindowMap.h"
#include "nsCocoaFeatures.h"
#include "nsCocoaUtils.h"
#include "nsMenuUtilsX.h"
#include "nsMenuBarX.h"
#include "NativeKeyBindings.h"
#include "ComplexTextInputPanel.h"
#include "gfxContext.h"
#include "gfxQuartzSurface.h"
#include "gfxUtils.h"
#include "nsRegion.h"
#include "Layers.h"
#include "ClientLayerManager.h"
#include "mozilla/layers/LayerManagerComposite.h"
#include "GfxTexturesReporter.h"
#include "GLTextureImage.h"
#include "GLContextProvider.h"
#include "GLContextCGL.h"
#include "OGLShaderProgram.h"
#include "ScopedGLHelpers.h"
#include "HeapCopyOfStackArray.h"
#include "mozilla/layers/IAPZCTreeManager.h"
#include "mozilla/layers/APZInputBridge.h"
#include "mozilla/layers/APZThreadUtils.h"
#include "mozilla/layers/GLManager.h"
#include "mozilla/layers/CompositorOGL.h"
#include "mozilla/layers/CompositorBridgeParent.h"
#include "mozilla/layers/BasicCompositor.h"
#include "mozilla/layers/InputAPZContext.h"
#include "mozilla/layers/IpcResourceUpdateQueue.h"
#include "mozilla/layers/WebRenderBridgeChild.h"
#include "mozilla/layers/WebRenderLayerManager.h"
#include "mozilla/webrender/WebRenderAPI.h"
#include "mozilla/widget/CompositorWidget.h"
#include "gfxUtils.h"
#include "gfxPrefs.h"
#include "mozilla/gfx/2D.h"
#include "mozilla/gfx/BorrowedContext.h"
#include "mozilla/gfx/MacIOSurface.h"
#ifdef ACCESSIBILITY
# include "nsAccessibilityService.h"
# include "mozilla/a11y/Platform.h"
#endif
#include "mozilla/Preferences.h"
#include <dlfcn.h>
#include <ApplicationServices/ApplicationServices.h>
#include "GeckoProfiler.h"
#include "mozilla/layers/ChromeProcessController.h"
#include "nsLayoutUtils.h"
#include "InputData.h"
#include "RectTextureImage.h"
#include "SwipeTracker.h"
#include "VibrancyManager.h"
#include "nsNativeThemeCocoa.h"
#include "nsIDOMWindowUtils.h"
#include "Units.h"
#include "UnitTransforms.h"
#include "mozilla/UniquePtrExtensions.h"
using namespace mozilla;
using namespace mozilla::layers;
using namespace mozilla::gl;
using namespace mozilla::widget;
using mozilla::gfx::Matrix4x4;
#undef DEBUG_UPDATE
#undef INVALIDATE_DEBUGGING // flash areas as they are invalidated
// Don't put more than this many rects in the dirty region, just fluff
// out to the bounding-box if there are more
#define MAX_RECTS_IN_REGION 100
LazyLogModule sCocoaLog("nsCocoaWidgets");
extern "C" {
CG_EXTERN void CGContextResetCTM(CGContextRef);
CG_EXTERN void CGContextSetCTM(CGContextRef, CGAffineTransform);
CG_EXTERN void CGContextResetClip(CGContextRef);
typedef CFTypeRef CGSRegionObj;
CGError CGSNewRegionWithRect(const CGRect* rect, CGSRegionObj* outRegion);
CGError CGSNewRegionWithRectList(const CGRect* rects, int rectCount, CGSRegionObj* outRegion);
}
// defined in nsMenuBarX.mm
extern NSMenu* sApplicationMenu; // Application menu shared by all menubars
extern nsIArray* gDraggedTransferables;
ChildView* ChildViewMouseTracker::sLastMouseEventView = nil;
NSEvent* ChildViewMouseTracker::sLastMouseMoveEvent = nil;
NSWindow* ChildViewMouseTracker::sWindowUnderMouse = nil;
NSPoint ChildViewMouseTracker::sLastScrollEventScreenLocation = NSZeroPoint;
#ifdef INVALIDATE_DEBUGGING
static void blinkRect(Rect* r);
static void blinkRgn(RgnHandle rgn);
#endif
bool gUserCancelledDrag = false;
uint32_t nsChildView::sLastInputEventCount = 0;
static bool sIsTabletPointerActivated = false;
static uint32_t sUniqueKeyEventId = 0;
static NSMutableDictionary* sNativeKeyEventsMap = [NSMutableDictionary dictionary];
// The view that will do our drawing or host our NSOpenGLContext or Core Animation layer.
@interface PixelHostingView : NSView {
}
@end
@interface ChildView (Private)
// sets up our view, attaching it to its owning gecko view
- (id)initWithFrame:(NSRect)inFrame geckoChild:(nsChildView*)inChild;
// set up a gecko mouse event based on a cocoa mouse event
- (void)convertCocoaMouseWheelEvent:(NSEvent*)aMouseEvent
toGeckoEvent:(WidgetWheelEvent*)outWheelEvent;
- (void)convertCocoaMouseEvent:(NSEvent*)aMouseEvent toGeckoEvent:(WidgetInputEvent*)outGeckoEvent;
- (void)convertCocoaTabletPointerEvent:(NSEvent*)aMouseEvent
toGeckoEvent:(WidgetMouseEvent*)outGeckoEvent;
- (NSMenu*)contextMenu;
- (BOOL)isRectObscuredBySubview:(NSRect)inRect;
- (LayoutDeviceIntRegion)nativeDirtyRegionWithBoundingRect:(NSRect)aRect;
- (BOOL)isUsingOpenGL;
- (BOOL)hasRoundedBottomCorners;
- (CGFloat)cornerRadius;
- (void)clearCorners;
- (void)setGLOpaque:(BOOL)aOpaque;
// Overlay drawing functions for traditional CGContext drawing
- (void)drawTitleString;
- (void)maskTopCornersInContext:(CGContextRef)aContext;
#if USE_CLICK_HOLD_CONTEXTMENU
// called on a timer two seconds after a mouse down to see if we should display
// a context menu (click-hold)
- (void)clickHoldCallback:(id)inEvent;
#endif
#ifdef ACCESSIBILITY
- (id<mozAccessible>)accessible;
#endif
- (LayoutDeviceIntPoint)convertWindowCoordinates:(NSPoint)aPoint;
- (LayoutDeviceIntPoint)convertWindowCoordinatesRoundDown:(NSPoint)aPoint;
- (BOOL)inactiveWindowAcceptsMouseEvent:(NSEvent*)aEvent;
- (void)updateWindowDraggableState;
- (bool)beginOrEndGestureForEventPhase:(NSEvent*)aEvent;
- (bool)shouldConsiderStartingSwipeFromEvent:(NSEvent*)aEvent;
@end
@interface NSView (NSThemeFrameCornerRadius)
- (float)roundedCornerRadius;
@end
@interface NSWindow (NSWindowShouldZoomOnDoubleClick)
+ (BOOL)_shouldZoomOnDoubleClick; // present on 10.7 and above
@end
// Starting with 10.7 the bottom corners of all windows are rounded.
// Unfortunately, the standard rounding that OS X applies to OpenGL views
// does not use anti-aliasing and looks very crude. Since we want a smooth,
// anti-aliased curve, we'll draw it ourselves.
// Additionally, we need to turn off the OS-supplied rounding because it
// eats into our corner's curve. We do that by overriding an NSSurface method.
@interface NSSurface
@end
@implementation NSSurface (DontCutOffCorners)
- (CGSRegionObj)_createRoundedBottomRegionForRect:(CGRect)rect {
// Create a normal rect region without rounded bottom corners.
CGSRegionObj region;
CGSNewRegionWithRect(&rect, &region);
return region;
}
@end
#pragma mark -
// Flips a screen coordinate from a point in the cocoa coordinate system (bottom-left rect) to a
// point that is a "flipped" cocoa coordinate system (starts in the top-left).
static inline void FlipCocoaScreenCoordinate(NSPoint& inPoint) {
inPoint.y = nsCocoaUtils::FlippedScreenY(inPoint.y);
}
namespace {
// Used for OpenGL drawing from the compositor thread for OMTC BasicLayers.
// We need to use OpenGL for this because there seems to be no other robust
// way of drawing from a secondary thread without locking, which would cause
// deadlocks in our setup. See bug 882523.
class GLPresenter : public GLManager {
public:
static mozilla::UniquePtr<GLPresenter> CreateForWindow(nsIWidget* aWindow) {
// Contrary to CompositorOGL, we allow unaccelerated OpenGL contexts to be
// used. BasicCompositor only requires very basic GL functionality.
bool forWebRender = false;
RefPtr<GLContext> context =
gl::GLContextProvider::CreateForWindow(aWindow, forWebRender, false);
return context ? MakeUnique<GLPresenter>(context) : nullptr;
}
explicit GLPresenter(GLContext* aContext);
virtual ~GLPresenter();
virtual GLContext* gl() const override { return mGLContext; }
virtual ShaderProgramOGL* GetProgram(GLenum aTarget, gfx::SurfaceFormat aFormat) override {
MOZ_ASSERT(aTarget == LOCAL_GL_TEXTURE_RECTANGLE_ARB);
MOZ_ASSERT(aFormat == gfx::SurfaceFormat::R8G8B8A8);
return mRGBARectProgram.get();
}
virtual const gfx::Matrix4x4& GetProjMatrix() const override { return mProjMatrix; }
virtual void ActivateProgram(ShaderProgramOGL* aProg) override {
mGLContext->fUseProgram(aProg->GetProgram());
}
virtual void BindAndDrawQuad(ShaderProgramOGL* aProg, const gfx::Rect& aLayerRect,
const gfx::Rect& aTextureRect) override;
void BeginFrame(LayoutDeviceIntSize aRenderSize);
void EndFrame();
NSOpenGLContext* GetNSOpenGLContext() {
return GLContextCGL::Cast(mGLContext)->GetNSOpenGLContext();
}
protected:
RefPtr<mozilla::gl::GLContext> mGLContext;
mozilla::UniquePtr<mozilla::layers::ShaderProgramOGL> mRGBARectProgram;
gfx::Matrix4x4 mProjMatrix;
GLuint mQuadVBO;
};
} // unnamed namespace
namespace mozilla {
struct SwipeEventQueue {
SwipeEventQueue(uint32_t aAllowedDirections, uint64_t aInputBlockId)
: allowedDirections(aAllowedDirections), inputBlockId(aInputBlockId) {}
nsTArray<PanGestureInput> queuedEvents;
uint32_t allowedDirections;
uint64_t inputBlockId;
};
} // namespace mozilla
#pragma mark -
nsChildView::nsChildView()
: nsBaseWidget(),
mView(nullptr),
mParentView(nil),
mParentWidget(nullptr),
mViewTearDownLock("ChildViewTearDown"),
mEffectsLock("WidgetEffects"),
mShowsResizeIndicator(false),
mHasRoundedBottomCorners(false),
mDevPixelCornerRadius{0},
mIsCoveringTitlebar(false),
mIsFullscreen(false),
mIsOpaque(false),
mTitlebarCGContext(nullptr),
mBackingScaleFactor(0.0),
mVisible(false),
mDrawing(false),
mIsDispatchPaint(false),
mPluginFocused{false},
mCurrentPanGestureBelongsToSwipe{false} {
}
nsChildView::~nsChildView() {
ReleaseTitlebarCGContext();
if (mSwipeTracker) {
mSwipeTracker->Destroy();
mSwipeTracker = nullptr;
}
// Notify the children that we're gone. childView->ResetParent() can change
// our list of children while it's being iterated, so the way we iterate the
// list must allow for this.
for (nsIWidget* kid = mLastChild; kid;) {
nsChildView* childView = static_cast<nsChildView*>(kid);
kid = kid->GetPrevSibling();
childView->ResetParent();
}
NS_WARNING_ASSERTION(mOnDestroyCalled, "nsChildView object destroyed without calling Destroy()");
DestroyCompositor();
// An nsChildView object that was in use can be destroyed without Destroy()
// ever being called on it. So we also need to do a quick, safe cleanup
// here (it's too late to just call Destroy(), which can cause crashes).
// It's particularly important to make sure widgetDestroyed is called on our
// mView -- this method NULLs mView's mGeckoChild, and NULL checks on
// mGeckoChild are used throughout the ChildView class to tell if it's safe
// to use a ChildView object.
[mView widgetDestroyed]; // Safe if mView is nil.
mParentWidget = nil;
TearDownView(); // Safe if called twice.
}
void nsChildView::ReleaseTitlebarCGContext() {
if (mTitlebarCGContext) {
CGContextRelease(mTitlebarCGContext);
mTitlebarCGContext = nullptr;
}
}
nsresult nsChildView::Create(nsIWidget* aParent, nsNativeWidget aNativeParent,
const LayoutDeviceIntRect& aRect, nsWidgetInitData* aInitData) {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
// Because the hidden window is created outside of an event loop,
// we need to provide an autorelease pool to avoid leaking cocoa objects
// (see bug 559075).
nsAutoreleasePool localPool;
mBounds = aRect;
// Ensure that the toolkit is created.
nsToolkit::GetToolkit();
BaseCreate(aParent, aInitData);
mParentView = nil;
if (aParent) {
// This is the popup window case. aParent is the nsCocoaWindow for the
// popup window, and mParentView will be its content view.
mParentView = (NSView*)aParent->GetNativeData(NS_NATIVE_WIDGET);
mParentWidget = aParent;
} else {
// This is the top-level window case.
// aNativeParent will be the contentView of our window, since that's what
// nsCocoaWindow returns when asked for an NS_NATIVE_VIEW.
// We do not have a direct "parent widget" association with the top level
// window's nsCocoaWindow object.
mParentView = reinterpret_cast<NSView*>(aNativeParent);
}
// create our parallel NSView and hook it up to our parent. Recall
// that NS_NATIVE_WIDGET is the NSView.
CGFloat scaleFactor = nsCocoaUtils::GetBackingScaleFactor(mParentView);
NSRect r = nsCocoaUtils::DevPixelsToCocoaPoints(mBounds, scaleFactor);
mView = [[ChildView alloc] initWithFrame:r geckoChild:this];
// If this view was created in a Gecko view hierarchy, the initial state
// is hidden. If the view is attached only to a native NSView but has
// no Gecko parent (as in embedding), the initial state is visible.
if (mParentWidget)
[mView setHidden:YES];
else
mVisible = true;
// Hook it up in the NSView hierarchy.
if (mParentView) {
[mParentView addSubview:mView];
}
// if this is a ChildView, make sure that our per-window data
// is set up
if ([mView isKindOfClass:[ChildView class]])
[[WindowDataMap sharedWindowDataMap] ensureDataForWindow:[mView window]];
NS_ASSERTION(!mTextInputHandler, "mTextInputHandler has already existed");
mTextInputHandler = new TextInputHandler(this, mView);
mPluginFocused = false;
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
void nsChildView::TearDownView() {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (!mView) return;
NSWindow* win = [mView window];
NSResponder* responder = [win firstResponder];
// We're being unhooked from the view hierarchy, don't leave our view
// or a child view as the window first responder.
if (responder && [responder isKindOfClass:[NSView class]] &&
[(NSView*)responder isDescendantOf:mView]) {
[win makeFirstResponder:[mView superview]];
}
// If mView is win's contentView, win (mView's NSWindow) "owns" mView --
// win has retained mView, and will detach it from the view hierarchy and
// release it when necessary (when win is itself destroyed (in a call to
// [win dealloc])). So all we need to do here is call [mView release] (to
// match the call to [mView retain] in nsChildView::StandardCreate()).
// Also calling [mView removeFromSuperviewWithoutNeedingDisplay] causes
// mView to be released again and dealloced, while remaining win's
// contentView. So if we do that here, win will (for a short while) have
// an invalid contentView (for the consequences see bmo bugs 381087 and
// 374260).
if ([mView isEqual:[win contentView]]) {
[mView release];
} else {
// Stop NSView hierarchy being changed during [ChildView drawRect:]
[mView performSelectorOnMainThread:@selector(delayedTearDown)
withObject:nil
waitUntilDone:false];
}
mView = nil;
NS_OBJC_END_TRY_ABORT_BLOCK;
}
nsCocoaWindow* nsChildView::GetXULWindowWidget() const {
id windowDelegate = [[mView window] delegate];
if (windowDelegate && [windowDelegate isKindOfClass:[WindowDelegate class]]) {
return [(WindowDelegate*)windowDelegate geckoWidget];
}
return nullptr;
}
void nsChildView::Destroy() {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
// Make sure that no composition is in progress while disconnecting
// ourselves from the view.
MutexAutoLock lock(mViewTearDownLock);
if (mOnDestroyCalled) return;
mOnDestroyCalled = true;
// Stuff below may delete the last ref to this
nsCOMPtr<nsIWidget> kungFuDeathGrip(this);
[mView widgetDestroyed];
nsBaseWidget::Destroy();
NotifyWindowDestroyed();
mParentWidget = nil;
TearDownView();
nsBaseWidget::OnDestroy();
NS_OBJC_END_TRY_ABORT_BLOCK;
}
#pragma mark -
#if 0
static void PrintViewHierarchy(NSView *view)
{
while (view) {
NSLog(@" view is %x, frame %@", view, NSStringFromRect([view frame]));
view = [view superview];
}
}
#endif
// Return native data according to aDataType
void* nsChildView::GetNativeData(uint32_t aDataType) {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSNULL;
void* retVal = nullptr;
switch (aDataType) {
case NS_NATIVE_WIDGET:
case NS_NATIVE_DISPLAY:
retVal = (void*)mView;
break;
case NS_NATIVE_WINDOW:
retVal = [mView window];
break;
case NS_NATIVE_GRAPHIC:
NS_ERROR("Requesting NS_NATIVE_GRAPHIC on a Mac OS X child view!");
retVal = nullptr;
break;
case NS_NATIVE_OFFSETX:
retVal = 0;
break;
case NS_NATIVE_OFFSETY:
retVal = 0;
break;
case NS_RAW_NATIVE_IME_CONTEXT:
retVal = GetPseudoIMEContext();
if (retVal) {
break;
}
retVal = [mView inputContext];
// If input context isn't available on this widget, we should set |this|
// instead of nullptr since if this returns nullptr, IMEStateManager
// cannot manage composition with TextComposition instance. Although,
// this case shouldn't occur.
if (NS_WARN_IF(!retVal)) {
retVal = this;
}
break;
}
return retVal;
NS_OBJC_END_TRY_ABORT_BLOCK_NSNULL;
}
#pragma mark -
nsTransparencyMode nsChildView::GetTransparencyMode() {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
nsCocoaWindow* windowWidget = GetXULWindowWidget();
return windowWidget ? windowWidget->GetTransparencyMode() : eTransparencyOpaque;
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(eTransparencyOpaque);
}
// This is called by nsContainerFrame on the root widget for all window types
// except popup windows (when nsCocoaWindow::SetTransparencyMode is used instead).
void nsChildView::SetTransparencyMode(nsTransparencyMode aMode) {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
nsCocoaWindow* windowWidget = GetXULWindowWidget();
if (windowWidget) {
windowWidget->SetTransparencyMode(aMode);
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
bool nsChildView::IsVisible() const {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
if (!mVisible) {
return mVisible;
}
if (!GetXULWindowWidget()->IsVisible()) {
return false;
}
// mVisible does not accurately reflect the state of a hidden tabbed view
// so verify that the view has a window as well
// then check native widget hierarchy visibility
return ([mView window] != nil) && !NSIsEmptyRect([mView visibleRect]);
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(false);
}
// Some NSView methods (e.g. setFrame and setHidden) invalidate the view's
// bounds in our window. However, we don't want these invalidations because
// they are unnecessary and because they actually slow us down since we
// block on the compositor inside drawRect.
// When we actually need something invalidated, there will be an explicit call
// to Invalidate from Gecko, so turning these automatic invalidations off
// won't hurt us in the non-OMTC case.
// The invalidations inside these NSView methods happen via a call to the
// private method -[NSWindow _setNeedsDisplayInRect:]. Our BaseWindow
// implementation of that method is augmented to let us ignore those calls
// using -[BaseWindow disable/enableSetNeedsDisplay].
static void ManipulateViewWithoutNeedingDisplay(NSView* aView, void (^aCallback)()) {
BaseWindow* win = nil;
if ([[aView window] isKindOfClass:[BaseWindow class]]) {
win = (BaseWindow*)[aView window];
}
[win disableSetNeedsDisplay];
aCallback();
[win enableSetNeedsDisplay];
}
// Hide or show this component
void nsChildView::Show(bool aState) {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (aState != mVisible) {
// Provide an autorelease pool because this gets called during startup
// on the "hidden window", resulting in cocoa object leakage if there's
// no pool in place.
nsAutoreleasePool localPool;
ManipulateViewWithoutNeedingDisplay(mView, ^{
[mView setHidden:!aState];
});
mVisible = aState;
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
// Change the parent of this widget
void nsChildView::SetParent(nsIWidget* aNewParent) {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (mOnDestroyCalled) return;
nsCOMPtr<nsIWidget> kungFuDeathGrip(this);
if (mParentWidget) {
mParentWidget->RemoveChild(this);
}
if (aNewParent) {
ReparentNativeWidget(aNewParent);
} else {
[mView removeFromSuperview];
mParentView = nil;
}
mParentWidget = aNewParent;
if (mParentWidget) {
mParentWidget->AddChild(this);
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
void nsChildView::ReparentNativeWidget(nsIWidget* aNewParent) {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
MOZ_ASSERT(aNewParent, "null widget");
if (mOnDestroyCalled) return;
NSView<mozView>* newParentView = (NSView<mozView>*)aNewParent->GetNativeData(NS_NATIVE_WIDGET);
NS_ENSURE_TRUE_VOID(newParentView);
// we hold a ref to mView, so this is safe
[mView removeFromSuperview];
mParentView = newParentView;
[mParentView addSubview:mView];
NS_OBJC_END_TRY_ABORT_BLOCK;
}
void nsChildView::ResetParent() {
if (!mOnDestroyCalled) {
if (mParentWidget) mParentWidget->RemoveChild(this);
if (mView) [mView removeFromSuperview];
}
mParentWidget = nullptr;
}
nsIWidget* nsChildView::GetParent() { return mParentWidget; }
float nsChildView::GetDPI() {
float dpi = 96.0;
nsCOMPtr<nsIScreen> screen = GetWidgetScreen();
if (screen) {
screen->GetDpi(&dpi);
}
return dpi;
}
void nsChildView::Enable(bool aState) {}
bool nsChildView::IsEnabled() const { return true; }
nsresult nsChildView::SetFocus(bool aRaise) {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
NSWindow* window = [mView window];
if (window) [window makeFirstResponder:mView];
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
// Override to set the cursor on the mac
void nsChildView::SetCursor(nsCursor aDefaultCursor, imgIContainer* aImageCursor,
uint32_t aHotspotX, uint32_t aHotspotY) {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if ([mView isDragInProgress]) return; // Don't change the cursor during dragging.
if (aImageCursor) {
nsresult rv = [[nsCursorManager sharedInstance] setCursorWithImage:aImageCursor
hotSpotX:aHotspotX
hotSpotY:aHotspotY
scaleFactor:BackingScaleFactor()];
if (NS_SUCCEEDED(rv)) {
return;
}
}
nsBaseWidget::SetCursor(aDefaultCursor, nullptr, 0, 0);
[[nsCursorManager sharedInstance] setCursor:aDefaultCursor];
NS_OBJC_END_TRY_ABORT_BLOCK;
}
#pragma mark -
// Get this component dimension
LayoutDeviceIntRect nsChildView::GetBounds() {
return !mView ? mBounds : CocoaPointsToDevPixels([mView frame]);
}
LayoutDeviceIntRect nsChildView::GetClientBounds() {
LayoutDeviceIntRect rect = GetBounds();
if (!mParentWidget) {
// For top level widgets we want the position on screen, not the position
// of this view inside the window.
rect.MoveTo(WidgetToScreenOffset());
}
return rect;
}
LayoutDeviceIntRect nsChildView::GetScreenBounds() {
LayoutDeviceIntRect rect = GetBounds();
rect.MoveTo(WidgetToScreenOffset());
return rect;
}
double nsChildView::GetDefaultScaleInternal() { return BackingScaleFactor(); }
CGFloat nsChildView::BackingScaleFactor() const {
if (mBackingScaleFactor > 0.0) {
return mBackingScaleFactor;
}
if (!mView) {
return 1.0;
}
mBackingScaleFactor = nsCocoaUtils::GetBackingScaleFactor(mView);
return mBackingScaleFactor;
}
void nsChildView::BackingScaleFactorChanged() {
CGFloat newScale = nsCocoaUtils::GetBackingScaleFactor(mView);
// ignore notification if it hasn't really changed (or maybe we have
// disabled HiDPI mode via prefs)
if (mBackingScaleFactor == newScale) {
return;
}
mBackingScaleFactor = newScale;
NSRect frame = [mView frame];
mBounds = nsCocoaUtils::CocoaRectToGeckoRectDevPix(frame, newScale);
if (mWidgetListener && !mWidgetListener->GetXULWindow()) {
nsIPresShell* presShell = mWidgetListener->GetPresShell();
if (presShell) {
presShell->BackingScaleFactorChanged();
}
}
}
int32_t nsChildView::RoundsWidgetCoordinatesTo() {
if (BackingScaleFactor() == 2.0) {
return 2;
}
return 1;
}
// Move this component, aX and aY are in the parent widget coordinate system
void nsChildView::Move(double aX, double aY) {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
int32_t x = NSToIntRound(aX);
int32_t y = NSToIntRound(aY);
if (!mView || (mBounds.x == x && mBounds.y == y)) return;
mBounds.x = x;
mBounds.y = y;
ManipulateViewWithoutNeedingDisplay(mView, ^{
[mView setFrame:DevPixelsToCocoaPoints(mBounds)];
});
NotifyRollupGeometryChange();
ReportMoveEvent();
NS_OBJC_END_TRY_ABORT_BLOCK;
}
void nsChildView::Resize(double aWidth, double aHeight, bool aRepaint) {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
int32_t width = NSToIntRound(aWidth);
int32_t height = NSToIntRound(aHeight);
if (!mView || (mBounds.width == width && mBounds.height == height)) return;
mBounds.width = width;
mBounds.height = height;
ManipulateViewWithoutNeedingDisplay(mView, ^{
[mView setFrame:DevPixelsToCocoaPoints(mBounds)];
});
if (mVisible && aRepaint) {
[[mView pixelHostingView] setNeedsDisplay:YES];
}
NotifyRollupGeometryChange();
ReportSizeEvent();
NS_OBJC_END_TRY_ABORT_BLOCK;
}
void nsChildView::Resize(double aX, double aY, double aWidth, double aHeight, bool aRepaint) {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
int32_t x = NSToIntRound(aX);
int32_t y = NSToIntRound(aY);
int32_t width = NSToIntRound(aWidth);
int32_t height = NSToIntRound(aHeight);
BOOL isMoving = (mBounds.x != x || mBounds.y != y);
BOOL isResizing = (mBounds.width != width || mBounds.height != height);
if (!mView || (!isMoving && !isResizing)) return;
if (isMoving) {
mBounds.x = x;
mBounds.y = y;
}
if (isResizing) {
mBounds.width = width;
mBounds.height = height;
}
ManipulateViewWithoutNeedingDisplay(mView, ^{
[mView setFrame:DevPixelsToCocoaPoints(mBounds)];
});
if (mVisible && aRepaint) {
[[mView pixelHostingView] setNeedsDisplay:YES];
}
NotifyRollupGeometryChange();
if (isMoving) {
ReportMoveEvent();
if (mOnDestroyCalled) return;
}
if (isResizing) ReportSizeEvent();
NS_OBJC_END_TRY_ABORT_BLOCK;
}
static const int32_t resizeIndicatorWidth = 15;
static const int32_t resizeIndicatorHeight = 15;
bool nsChildView::ShowsResizeIndicator(LayoutDeviceIntRect* aResizerRect) {
NSView *topLevelView = mView, *superView = nil;
while ((superView = [topLevelView superview])) topLevelView = superView;
if (![[topLevelView window] showsResizeIndicator] ||
!([[topLevelView window] styleMask] & NSResizableWindowMask))
return false;
if (aResizerRect) {
NSSize bounds = [topLevelView bounds].size;
NSPoint corner = NSMakePoint(bounds.width, [topLevelView isFlipped] ? bounds.height : 0);
corner = [topLevelView convertPoint:corner toView:mView];
aResizerRect->SetRect(NSToIntRound(corner.x) - resizeIndicatorWidth,
NSToIntRound(corner.y) - resizeIndicatorHeight, resizeIndicatorWidth,
resizeIndicatorHeight);
}
return true;
}
nsresult nsChildView::SynthesizeNativeKeyEvent(int32_t aNativeKeyboardLayout,
int32_t aNativeKeyCode, uint32_t aModifierFlags,
const nsAString& aCharacters,
const nsAString& aUnmodifiedCharacters,
nsIObserver* aObserver) {
AutoObserverNotifier notifier(aObserver, "keyevent");
return mTextInputHandler->SynthesizeNativeKeyEvent(
aNativeKeyboardLayout, aNativeKeyCode, aModifierFlags, aCharacters, aUnmodifiedCharacters);
}
nsresult nsChildView::SynthesizeNativeMouseEvent(LayoutDeviceIntPoint aPoint,
uint32_t aNativeMessage, uint32_t aModifierFlags,
nsIObserver* aObserver) {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
AutoObserverNotifier notifier(aObserver, "mouseevent");
NSPoint pt = nsCocoaUtils::DevPixelsToCocoaPoints(aPoint, BackingScaleFactor());
// Move the mouse cursor to the requested position and reconnect it to the mouse.
CGWarpMouseCursorPosition(NSPointToCGPoint(pt));
CGAssociateMouseAndMouseCursorPosition(true);
// aPoint is given with the origin on the top left, but convertScreenToBase
// expects a point in a coordinate system that has its origin on the bottom left.
NSPoint screenPoint = NSMakePoint(pt.x, nsCocoaUtils::FlippedScreenY(pt.y));
NSPoint windowPoint = nsCocoaUtils::ConvertPointFromScreen([mView window], screenPoint);
NSEvent* event = [NSEvent mouseEventWithType:(NSEventType)aNativeMessage
location:windowPoint
modifierFlags:aModifierFlags
timestamp:[[NSProcessInfo processInfo] systemUptime]
windowNumber:[[mView window] windowNumber]
context:nil
eventNumber:0
clickCount:1
pressure:0.0];
if (!event) return NS_ERROR_FAILURE;
if ([[mView window] isKindOfClass:[BaseWindow class]]) {
// Tracking area events don't end up in their tracking areas when sent
// through [NSApp sendEvent:], so pass them directly to the right methods.
BaseWindow* window = (BaseWindow*)[mView window];
if (aNativeMessage == NSMouseEntered) {
[window mouseEntered:event];
return NS_OK;
}
if (aNativeMessage == NSMouseExited) {
[window mouseExited:event];
return NS_OK;
}
if (aNativeMessage == NSMouseMoved) {
[window mouseMoved:event];
return NS_OK;
}
}
[NSApp sendEvent:event];
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
nsresult nsChildView::SynthesizeNativeMouseScrollEvent(
mozilla::LayoutDeviceIntPoint aPoint, uint32_t aNativeMessage, double aDeltaX, double aDeltaY,
double aDeltaZ, uint32_t aModifierFlags, uint32_t aAdditionalFlags, nsIObserver* aObserver) {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
AutoObserverNotifier notifier(aObserver, "mousescrollevent");
NSPoint pt = nsCocoaUtils::DevPixelsToCocoaPoints(aPoint, BackingScaleFactor());
// Move the mouse cursor to the requested position and reconnect it to the mouse.
CGWarpMouseCursorPosition(NSPointToCGPoint(pt));
CGAssociateMouseAndMouseCursorPosition(true);
// Mostly copied from http://stackoverflow.com/a/6130349
CGScrollEventUnit units = (aAdditionalFlags & nsIDOMWindowUtils::MOUSESCROLL_SCROLL_LINES)
? kCGScrollEventUnitLine
: kCGScrollEventUnitPixel;
CGEventRef cgEvent = CGEventCreateScrollWheelEvent(NULL, units, 3, aDeltaY, aDeltaX, aDeltaZ);
if (!cgEvent) {
return NS_ERROR_FAILURE;
}
CGEventPost(kCGHIDEventTap, cgEvent);
CFRelease(cgEvent);
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
nsresult nsChildView::SynthesizeNativeTouchPoint(
uint32_t aPointerId, TouchPointerState aPointerState, mozilla::LayoutDeviceIntPoint aPoint,
double aPointerPressure, uint32_t aPointerOrientation, nsIObserver* aObserver) {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
AutoObserverNotifier notifier(aObserver, "touchpoint");
MOZ_ASSERT(NS_IsMainThread());
if (aPointerState == TOUCH_HOVER) {
return NS_ERROR_UNEXPECTED;
}
if (!mSynthesizedTouchInput) {
mSynthesizedTouchInput = MakeUnique<MultiTouchInput>();
}
LayoutDeviceIntPoint pointInWindow = aPoint - WidgetToScreenOffset();
MultiTouchInput inputToDispatch = UpdateSynthesizedTouchState(
mSynthesizedTouchInput.get(), PR_IntervalNow(), TimeStamp::Now(), aPointerId, aPointerState,
pointInWindow, aPointerPressure, aPointerOrientation);
DispatchTouchInput(inputToDispatch);
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
// First argument has to be an NSMenu representing the application's top-level
// menu bar. The returned item is *not* retained.
static NSMenuItem* NativeMenuItemWithLocation(NSMenu* menubar, NSString* locationString) {
NSArray* indexes = [locationString componentsSeparatedByString:@"|"];
unsigned int indexCount = [indexes count];
if (indexCount == 0) return nil;
NSMenu* currentSubmenu = [NSApp mainMenu];
for (unsigned int i = 0; i < indexCount; i++) {
int targetIndex;
// We remove the application menu from consideration for the top-level menu
if (i == 0)
targetIndex = [[indexes objectAtIndex:i] intValue] + 1;
else
targetIndex = [[indexes objectAtIndex:i] intValue];
int itemCount = [currentSubmenu numberOfItems];
if (targetIndex < itemCount) {
NSMenuItem* menuItem = [currentSubmenu itemAtIndex:targetIndex];
// if this is the last index just return the menu item
if (i == (indexCount - 1)) return menuItem;
// if this is not the last index find the submenu and keep going
if ([menuItem hasSubmenu])
currentSubmenu = [menuItem submenu];
else
return nil;
}
}
return nil;
}
bool nsChildView::SendEventToNativeMenuSystem(NSEvent* aEvent) {
bool handled = false;
nsCocoaWindow* widget = GetXULWindowWidget();
if (widget) {
nsMenuBarX* mb = widget->GetMenuBar();
if (mb) {
// Check if main menu wants to handle the event.
handled = mb->PerformKeyEquivalent(aEvent);
}
}
if (!handled && sApplicationMenu) {
// Check if application menu wants to handle the event.
handled = [sApplicationMenu performKeyEquivalent:aEvent];
}
return handled;
}
void nsChildView::PostHandleKeyEvent(mozilla::WidgetKeyboardEvent* aEvent) {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
// We always allow keyboard events to propagate to keyDown: but if they are
// not handled we give menu items a chance to act. This allows for handling of
// custom shortcuts. Note that existing shortcuts cannot be reassigned yet and
// will have been handled by keyDown: before we get here.
NSEvent* cocoaEvent = [sNativeKeyEventsMap objectForKey:@(aEvent->mUniqueId)];
if (!cocoaEvent) {
return;
}
if (SendEventToNativeMenuSystem(cocoaEvent)) {
aEvent->PreventDefault();
}
[sNativeKeyEventsMap removeObjectForKey:@(aEvent->mUniqueId)];
NS_OBJC_END_TRY_ABORT_BLOCK;
}
// Used for testing native menu system structure and event handling.
nsresult nsChildView::ActivateNativeMenuItemAt(const nsAString& indexString) {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
NSString* locationString =
[NSString stringWithCharacters:reinterpret_cast<const unichar*>(indexString.BeginReading())
length:indexString.Length()];
NSMenuItem* item = NativeMenuItemWithLocation([NSApp mainMenu], locationString);
// We can't perform an action on an item with a submenu, that will raise
// an obj-c exception.
if (item && ![item hasSubmenu]) {
NSMenu* parent = [item menu];
if (parent) {
// NSLog(@"Performing action for native menu item titled: %@\n",
// [[currentSubmenu itemAtIndex:targetIndex] title]);
[parent performActionForItemAtIndex:[parent indexOfItem:item]];
return NS_OK;
}
}
return NS_ERROR_FAILURE;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
// Used for testing native menu system structure and event handling.
nsresult nsChildView::ForceUpdateNativeMenuAt(const nsAString& indexString) {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
nsCocoaWindow* widget = GetXULWindowWidget();
if (widget) {
nsMenuBarX* mb = widget->GetMenuBar();
if (mb) {
if (indexString.IsEmpty())
mb->ForceNativeMenuReload();
else
mb->ForceUpdateNativeMenuAt(indexString);
}
}
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
#pragma mark -
#ifdef INVALIDATE_DEBUGGING
static Boolean KeyDown(const UInt8 theKey) {
KeyMap map;
GetKeys(map);
return ((*((UInt8*)map + (theKey >> 3)) >> (theKey & 7)) & 1) != 0;
}
static Boolean caps_lock() { return KeyDown(0x39); }
static void blinkRect(Rect* r) {
StRegionFromPool oldClip;
if (oldClip != NULL) ::GetClip(oldClip);
::ClipRect(r);
::InvertRect(r);
UInt32 end = ::TickCount() + 5;
while (::TickCount() < end)
;
::InvertRect(r);
if (oldClip != NULL) ::SetClip(oldClip);
}
static void blinkRgn(RgnHandle rgn) {
StRegionFromPool oldClip;
if (oldClip != NULL) ::GetClip(oldClip);
::SetClip(rgn);
::InvertRgn(rgn);
UInt32 end = ::TickCount() + 5;
while (::TickCount() < end)
;
::InvertRgn(rgn);
if (oldClip != NULL) ::SetClip(oldClip);
}
#endif
// Invalidate this component's visible area
void nsChildView::Invalidate(const LayoutDeviceIntRect& aRect) {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (!mView || !mVisible) return;
NS_ASSERTION(GetLayerManager()->GetBackendType() != LayersBackend::LAYERS_CLIENT,
"Shouldn't need to invalidate with accelerated OMTC layers!");
[[mView pixelHostingView] setNeedsDisplayInRect:DevPixelsToCocoaPoints(aRect)];
NS_OBJC_END_TRY_ABORT_BLOCK;
}
bool nsChildView::WidgetTypeSupportsAcceleration() {
// We need to enable acceleration in popups which contain remote layer
// trees, since the remote content won't be rendered at all otherwise. This
// causes issues with transparency and drop shadows, so it should not be
// used by default in release builds.
if (HasRemoteContent()) {
return true;
}
// Don't use OpenGL for transparent windows or for popup windows.
return mView && [[mView window] isOpaque] && ![[mView window] isKindOfClass:[PopupWindow class]];
}
bool nsChildView::ShouldUseOffMainThreadCompositing() {
// Don't use OMTC for transparent windows or for popup windows.
if (!WidgetTypeSupportsAcceleration()) return false;
return nsBaseWidget::ShouldUseOffMainThreadCompositing();
}
inline uint16_t COLOR8TOCOLOR16(uint8_t color8) {
// return (color8 == 0xFF ? 0xFFFF : (color8 << 8));
return (color8 << 8) | color8; /* (color8 * 257) == (color8 * 0x0101) */
}
#pragma mark -
nsresult nsChildView::ConfigureChildren(const nsTArray<Configuration>& aConfigurations) {
return NS_OK;
}
// Invokes callback and ProcessEvent methods on Event Listener object
nsresult nsChildView::DispatchEvent(WidgetGUIEvent* event, nsEventStatus& aStatus) {
RefPtr<nsChildView> kungFuDeathGrip(this);
#ifdef DEBUG
debug_DumpEvent(stdout, event->mWidget, event, "something", 0);
#endif
if (event->mFlags.mIsSynthesizedForTests) {
WidgetKeyboardEvent* keyEvent = event->AsKeyboardEvent();
if (keyEvent) {
nsresult rv = mTextInputHandler->AttachNativeKeyEvent(*keyEvent);
NS_ENSURE_SUCCESS(rv, rv);
}
}
aStatus = nsEventStatus_eIgnore;
nsIWidgetListener* listener = mWidgetListener;
// If the listener is NULL, check if the parent is a popup. If it is, then
// this child is the popup content view attached to a popup. Get the
// listener from the parent popup instead.
nsCOMPtr<nsIWidget> parentWidget = mParentWidget;
if (!listener && parentWidget) {
if (parentWidget->WindowType() == eWindowType_popup) {
// Check just in case event->mWidget isn't this widget
if (event->mWidget) {
listener = event->mWidget->GetWidgetListener();
}
if (!listener) {
event->mWidget = parentWidget;
listener = parentWidget->GetWidgetListener();
}
}
}
if (listener) aStatus = listener->HandleEvent(event, mUseAttachedEvents);
return NS_OK;
}
bool nsChildView::DispatchWindowEvent(WidgetGUIEvent& event) {
nsEventStatus status;
DispatchEvent(&event, status);
return ConvertStatus(status);
}
nsIWidget* nsChildView::GetWidgetForListenerEvents() {
// If there is no listener, use the parent popup's listener if that exists.
if (!mWidgetListener && mParentWidget && mParentWidget->WindowType() == eWindowType_popup) {
return mParentWidget;
}
return this;
}
void nsChildView::WillPaintWindow() {
nsCOMPtr<nsIWidget> widget = GetWidgetForListenerEvents();
nsIWidgetListener* listener = widget->GetWidgetListener();
if (listener) {
listener->WillPaintWindow(widget);
}
}
bool nsChildView::PaintWindow(LayoutDeviceIntRegion aRegion) {
nsCOMPtr<nsIWidget> widget = GetWidgetForListenerEvents();
nsIWidgetListener* listener = widget->GetWidgetListener();
if (!listener) return false;
bool returnValue = false;
bool oldDispatchPaint = mIsDispatchPaint;
mIsDispatchPaint = true;
returnValue = listener->PaintWindow(widget, aRegion);
listener = widget->GetWidgetListener();
if (listener) {
listener->DidPaintWindow();
}
mIsDispatchPaint = oldDispatchPaint;
return returnValue;
}
bool nsChildView::PaintWindowInContext(CGContextRef aContext, const LayoutDeviceIntRegion& aRegion,
gfx::IntSize aSurfaceSize) {
if (!mBackingSurface || mBackingSurface->GetSize() != aSurfaceSize) {
mBackingSurface = gfxPlatform::GetPlatform()->CreateOffscreenContentDrawTarget(
aSurfaceSize, gfx::SurfaceFormat::B8G8R8A8);
if (!mBackingSurface) {
return false;
}
}
RefPtr<gfxContext> targetContext = gfxContext::CreateOrNull(mBackingSurface);
MOZ_ASSERT(targetContext); // already checked the draw target above
// Set up the clip region and clear existing contents in the backing surface.
targetContext->NewPath();
for (auto iter = aRegion.RectIter(); !iter.Done(); iter.Next()) {
const LayoutDeviceIntRect& r = iter.Get();
targetContext->Rectangle(gfxRect(r.x, r.y, r.width, r.height));
mBackingSurface->ClearRect(gfx::Rect(r.ToUnknownRect()));
}
targetContext->Clip();
nsAutoRetainCocoaObject kungFuDeathGrip(mView);
bool painted = false;
if (GetLayerManager()->GetBackendType() == LayersBackend::LAYERS_BASIC) {
nsBaseWidget::AutoLayerManagerSetup setupLayerManager(this, targetContext,
BufferMode::BUFFER_NONE);
painted = PaintWindow(aRegion);
} else if (GetLayerManager()->GetBackendType() == LayersBackend::LAYERS_CLIENT) {
// We only need this so that we actually get DidPaintWindow fired
painted = PaintWindow(aRegion);
}
uint8_t* data;
gfx::IntSize size;
int32_t stride;
gfx::SurfaceFormat format;
if (!mBackingSurface->LockBits(&data, &size, &stride, &format)) {
return false;
}
// Draw the backing surface onto the window.
CGDataProviderRef provider = CGDataProviderCreateWithData(NULL, data, stride * size.height, NULL);
NSColorSpace* colorSpace = [[mView window] colorSpace];
CGImageRef image =
CGImageCreate(size.width, size.height, 8, 32, stride, [colorSpace CGColorSpace],
kCGBitmapByteOrder32Host | kCGImageAlphaPremultipliedFirst, provider, NULL,
false, kCGRenderingIntentDefault);
CGContextSaveGState(aContext);
CGContextTranslateCTM(aContext, 0, size.height);
CGContextScaleCTM(aContext, 1, -1);
CGContextSetBlendMode(aContext, kCGBlendModeCopy);
CGContextDrawImage(aContext, CGRectMake(0, 0, size.width, size.height), image);
CGImageRelease(image);
CGDataProviderRelease(provider);
CGContextRestoreGState(aContext);
mBackingSurface->ReleaseBits(data);
return painted;
}
#pragma mark -
void nsChildView::ReportMoveEvent() { NotifyWindowMoved(mBounds.x, mBounds.y); }
void nsChildView::ReportSizeEvent() {
if (mWidgetListener) mWidgetListener->WindowResized(this, mBounds.width, mBounds.height);
}
#pragma mark -
LayoutDeviceIntPoint nsChildView::GetClientOffset() {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
NSPoint origin = [mView convertPoint:NSMakePoint(0, 0) toView:nil];
origin.y = [[mView window] frame].size.height - origin.y;
return CocoaPointsToDevPixels(origin);
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(LayoutDeviceIntPoint(0, 0));
}
// Return the offset between this child view and the screen.
// @return -- widget origin in device-pixel coords
LayoutDeviceIntPoint nsChildView::WidgetToScreenOffset() {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
NSPoint origin = NSMakePoint(0, 0);
// 1. First translate view origin point into window coords.
// The returned point is in bottom-left coordinates.
origin = [mView convertPoint:origin toView:nil];
// 2. We turn the window-coord rect's origin into screen (still bottom-left) coords.
origin = nsCocoaUtils::ConvertPointToScreen([mView window], origin);
// 3. Since we're dealing in bottom-left coords, we need to make it top-left coords
// before we pass it back to Gecko.
FlipCocoaScreenCoordinate(origin);
// convert to device pixels
return CocoaPointsToDevPixels(origin);
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(LayoutDeviceIntPoint(0, 0));
}
nsresult nsChildView::SetTitle(const nsAString& title) {
// child views don't have titles
return NS_OK;
}
nsresult nsChildView::GetAttention(int32_t aCycleCount) {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
[NSApp requestUserAttention:NSInformationalRequest];
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
/* static */
bool nsChildView::DoHasPendingInputEvent() {
return sLastInputEventCount != GetCurrentInputEventCount();
}
/* static */
uint32_t nsChildView::GetCurrentInputEventCount() {
// Can't use kCGAnyInputEventType because that updates too rarely for us (and
// always in increments of 30+!) and because apparently it's sort of broken
// on Tiger. So just go ahead and query the counters we care about.
static const CGEventType eventTypes[] = {
kCGEventLeftMouseDown, kCGEventLeftMouseUp, kCGEventRightMouseDown,
kCGEventRightMouseUp, kCGEventMouseMoved, kCGEventLeftMouseDragged,
kCGEventRightMouseDragged, kCGEventKeyDown, kCGEventKeyUp,
kCGEventScrollWheel, kCGEventTabletPointer, kCGEventOtherMouseDown,
kCGEventOtherMouseUp, kCGEventOtherMouseDragged};
uint32_t eventCount = 0;
for (uint32_t i = 0; i < ArrayLength(eventTypes); ++i) {
eventCount +=
CGEventSourceCounterForEventType(kCGEventSourceStateCombinedSessionState, eventTypes[i]);
}
return eventCount;
}
/* static */
void nsChildView::UpdateCurrentInputEventCount() {
sLastInputEventCount = GetCurrentInputEventCount();
}
bool nsChildView::HasPendingInputEvent() { return DoHasPendingInputEvent(); }
#pragma mark -
nsresult nsChildView::StartPluginIME(const mozilla::WidgetKeyboardEvent& aKeyboardEvent,
int32_t aPanelX, int32_t aPanelY, nsString& aCommitted) {
NS_ENSURE_TRUE(mView, NS_ERROR_NOT_AVAILABLE);
ComplexTextInputPanel* ctiPanel = ComplexTextInputPanel::GetSharedComplexTextInputPanel();
ctiPanel->PlacePanel(aPanelX, aPanelY);
// We deliberately don't use TextInputHandler::GetCurrentKeyEvent() to
// obtain the NSEvent* we pass to InterpretKeyEvent(). This works fine in
// non-e10s mode. But in e10s mode TextInputHandler::HandleKeyDownEvent()
// has already returned, so the relevant KeyEventState* (and its NSEvent*)
// is already out of scope. Furthermore we don't *need* to use it.
// StartPluginIME() is only ever called to start a new IME session when none
// currently exists. So nested IME should never reach here, and so it should
// be fine to use the last key-down event received by -[ChildView keyDown:]
// (as we currently do).
ctiPanel->InterpretKeyEvent([mView lastKeyDownEvent], aCommitted);
return NS_OK;
}
void nsChildView::SetPluginFocused(bool& aFocused) {
if (aFocused == mPluginFocused) {
return;
}
if (!aFocused) {
ComplexTextInputPanel* ctiPanel = ComplexTextInputPanel::GetSharedComplexTextInputPanel();
if (ctiPanel) {
ctiPanel->CancelComposition();
}
}
mPluginFocused = aFocused;
}
void nsChildView::SetInputContext(const InputContext& aContext, const InputContextAction& aAction) {
NS_ENSURE_TRUE_VOID(mTextInputHandler);
if (mTextInputHandler->IsFocused()) {
if (aContext.IsPasswordEditor()) {
TextInputHandler::EnableSecureEventInput();
} else {
TextInputHandler::EnsureSecureEventInputDisabled();
}
}
// IMEInputHandler::IsEditableContent() returns false when both
// IsASCIICableOnly() and IsIMEEnabled() return false. So, be careful
// when you change the following code. You might need to change
// IMEInputHandler::IsEditableContent() too.
mInputContext = aContext;
switch (aContext.mIMEState.mEnabled) {
case IMEState::ENABLED:
case IMEState::PLUGIN:
mTextInputHandler->SetASCIICapableOnly(false);
mTextInputHandler->EnableIME(true);
if (mInputContext.mIMEState.mOpen != IMEState::DONT_CHANGE_OPEN_STATE) {
mTextInputHandler->SetIMEOpenState(mInputContext.mIMEState.mOpen == IMEState::OPEN);
}
break;
case IMEState::DISABLED:
mTextInputHandler->SetASCIICapableOnly(false);
mTextInputHandler->EnableIME(false);
break;
case IMEState::PASSWORD:
mTextInputHandler->SetASCIICapableOnly(true);
mTextInputHandler->EnableIME(false);
break;
default:
NS_ERROR("not implemented!");
}
}
InputContext nsChildView::GetInputContext() {
switch (mInputContext.mIMEState.mEnabled) {
case IMEState::ENABLED:
case IMEState::PLUGIN:
if (mTextInputHandler) {
mInputContext.mIMEState.mOpen =
mTextInputHandler->IsIMEOpened() ? IMEState::OPEN : IMEState::CLOSED;
break;
}
// If mTextInputHandler is null, set CLOSED instead...
MOZ_FALLTHROUGH;
default:
mInputContext.mIMEState.mOpen = IMEState::CLOSED;
break;
}
return mInputContext;
}
TextEventDispatcherListener* nsChildView::GetNativeTextEventDispatcherListener() {
if (NS_WARN_IF(!mTextInputHandler)) {
return nullptr;
}
return mTextInputHandler;
}
nsresult nsChildView::AttachNativeKeyEvent(mozilla::WidgetKeyboardEvent& aEvent) {
NS_ENSURE_TRUE(mTextInputHandler, NS_ERROR_NOT_AVAILABLE);
return mTextInputHandler->AttachNativeKeyEvent(aEvent);
}
void nsChildView::GetEditCommandsRemapped(NativeKeyBindingsType aType,
const WidgetKeyboardEvent& aEvent,
nsTArray<CommandInt>& aCommands, uint32_t aGeckoKeyCode,
uint32_t aCocoaKeyCode) {
NSEvent* originalEvent = reinterpret_cast<NSEvent*>(aEvent.mNativeKeyEvent);
WidgetKeyboardEvent modifiedEvent(aEvent);
modifiedEvent.mKeyCode = aGeckoKeyCode;
unichar ch = nsCocoaUtils::ConvertGeckoKeyCodeToMacCharCode(aGeckoKeyCode);
NSString* chars = [[[NSString alloc] initWithCharacters:&ch length:1] autorelease];
modifiedEvent.mNativeKeyEvent = [NSEvent keyEventWithType:[originalEvent type]
location:[originalEvent locationInWindow]
modifierFlags:[originalEvent modifierFlags]
timestamp:[originalEvent timestamp]
windowNumber:[originalEvent windowNumber]
context:[originalEvent context]
characters:chars
charactersIgnoringModifiers:chars
isARepeat:[originalEvent isARepeat]
keyCode:aCocoaKeyCode];
NativeKeyBindings* keyBindings = NativeKeyBindings::GetInstance(aType);
keyBindings->GetEditCommands(modifiedEvent, aCommands);
}
void nsChildView::GetEditCommands(NativeKeyBindingsType aType, const WidgetKeyboardEvent& aEvent,
nsTArray<CommandInt>& aCommands) {
// Validate the arguments.
nsIWidget::GetEditCommands(aType, aEvent, aCommands);
// If the key is a cursor-movement arrow, and the current selection has
// vertical writing-mode, we'll remap so that the movement command
// generated (in terms of characters/lines) will be appropriate for
// the physical direction of the arrow.
if (aEvent.mKeyCode >= NS_VK_LEFT && aEvent.mKeyCode <= NS_VK_DOWN) {
// XXX This may be expensive. Should use the cache in TextInputHandler.
WidgetQueryContentEvent query(true, eQuerySelectedText, this);
DispatchWindowEvent(query);
if (query.mSucceeded && query.mReply.mWritingMode.IsVertical()) {
uint32_t geckoKey = 0;
uint32_t cocoaKey = 0;
switch (aEvent.mKeyCode) {
case NS_VK_LEFT:
if (query.mReply.mWritingMode.IsVerticalLR()) {
geckoKey = NS_VK_UP;
cocoaKey = kVK_UpArrow;
} else {
geckoKey = NS_VK_DOWN;
cocoaKey = kVK_DownArrow;
}
break;
case NS_VK_RIGHT:
if (query.mReply.mWritingMode.IsVerticalLR()) {
geckoKey = NS_VK_DOWN;
cocoaKey = kVK_DownArrow;
} else {
geckoKey = NS_VK_UP;
cocoaKey = kVK_UpArrow;
}
break;
case NS_VK_UP:
geckoKey = NS_VK_LEFT;
cocoaKey = kVK_LeftArrow;
break;
case NS_VK_DOWN:
geckoKey = NS_VK_RIGHT;
cocoaKey = kVK_RightArrow;
break;
}
GetEditCommandsRemapped(aType, aEvent, aCommands, geckoKey, cocoaKey);
return;
}
}
NativeKeyBindings* keyBindings = NativeKeyBindings::GetInstance(aType);
keyBindings->GetEditCommands(aEvent, aCommands);
}
NSView<mozView>* nsChildView::GetEditorView() {
NSView<mozView>* editorView = mView;
// We need to get editor's view. E.g., when the focus is in the bookmark
// dialog, the view is <panel> element of the dialog. At this time, the key
// events are processed the parent window's view that has native focus.
WidgetQueryContentEvent textContent(true, eQueryTextContent, this);
textContent.InitForQueryTextContent(0, 0);
DispatchWindowEvent(textContent);
if (textContent.mSucceeded && textContent.mReply.mFocusedWidget) {
NSView<mozView>* view = static_cast<NSView<mozView>*>(
textContent.mReply.mFocusedWidget->GetNativeData(NS_NATIVE_WIDGET));
if (view) editorView = view;
}
return editorView;
}
#pragma mark -
void nsChildView::CreateCompositor() {
nsBaseWidget::CreateCompositor();
if (mCompositorBridgeChild) {
[mView setUsingOMTCompositor:true];
}
}
void nsChildView::ConfigureAPZCTreeManager() { nsBaseWidget::ConfigureAPZCTreeManager(); }
void nsChildView::ConfigureAPZControllerThread() { nsBaseWidget::ConfigureAPZControllerThread(); }
LayoutDeviceIntRect nsChildView::RectContainingTitlebarControls() {
NSRect rect = NSZeroRect;
// If we draw the titlebar title string, set the rect to the full window
// width times the default titlebar height. This height does not necessarily
// include all the titlebar controls because we may have moved them further
// down, but at least it will include the whole title text.
BaseWindow* window = (BaseWindow*)[mView window];
if ([window wantsTitleDrawn] && [window isKindOfClass:[ToolbarWindow class]]) {
CGFloat defaultTitlebarHeight = [(ToolbarWindow*)window titlebarHeight];
rect = NSMakeRect(0, 0, [mView bounds].size.width, defaultTitlebarHeight);
}
// Add the rects of the titlebar controls.
for (id view in [window titlebarControls]) {
rect = NSUnionRect(rect, [mView convertRect:[view bounds] fromView:view]);
}
return CocoaPointsToDevPixels(rect);
}
void nsChildView::PrepareWindowEffects() {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
bool canBeOpaque;
{
MutexAutoLock lock(mEffectsLock);
mShowsResizeIndicator = ShowsResizeIndicator(&mResizeIndicatorRect);
mHasRoundedBottomCorners = [mView hasRoundedBottomCorners];
CGFloat cornerRadius = [mView cornerRadius];
mDevPixelCornerRadius = cornerRadius * BackingScaleFactor();
mIsCoveringTitlebar = [mView isCoveringTitlebar];
NSInteger styleMask = [[mView window] styleMask];
bool wasFullscreen = mIsFullscreen;
nsCocoaWindow* windowWidget = GetXULWindowWidget();
mIsFullscreen =
(styleMask & NSFullScreenWindowMask) || (windowWidget && windowWidget->InFullScreenMode());
canBeOpaque = mIsFullscreen && wasFullscreen;
if (canBeOpaque && VibrancyManager::SystemSupportsVibrancy()) {
canBeOpaque = !EnsureVibrancyManager().HasVibrantRegions();
}
if (mIsCoveringTitlebar) {
mTitlebarRect = RectContainingTitlebarControls();
UpdateTitlebarCGContext();
}
}
// If we've just transitioned into or out of full screen then update the opacity on our GLContext.
if (canBeOpaque != mIsOpaque) {
mIsOpaque = canBeOpaque;
[mView setGLOpaque:canBeOpaque];
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
void nsChildView::CleanupWindowEffects() {
mResizerImage = nullptr;
mCornerMaskImage = nullptr;
mTitlebarImage = nullptr;
}
void nsChildView::AddWindowOverlayWebRenderCommands(layers::WebRenderBridgeChild* aWrBridge,
wr::DisplayListBuilder& aBuilder,
wr::IpcResourceUpdateQueue& aResources) {
PrepareWindowEffects();
if (!mIsCoveringTitlebar || mIsFullscreen || mTitlebarRect.IsEmpty()) {
return;
}
bool needUpdate = mUpdatedTitlebarRegion.Intersects(mTitlebarRect);
mUpdatedTitlebarRegion.SetEmpty();
if (mTitlebarCGContext) {
gfx::IntSize size(CGBitmapContextGetWidth(mTitlebarCGContext),
CGBitmapContextGetHeight(mTitlebarCGContext));
size_t stride = CGBitmapContextGetBytesPerRow(mTitlebarCGContext);
size_t titlebarCGContextDataLength = stride * size.height;
gfx::SurfaceFormat format = gfx::SurfaceFormat::B8G8R8A8;
Range<uint8_t> buffer(static_cast<uint8_t*>(CGBitmapContextGetData(mTitlebarCGContext)),
titlebarCGContextDataLength);
if (!mTitlebarImageKey) {
mTitlebarImageKey = Some(aWrBridge->GetNextImageKey());
wr::ImageDescriptor descriptor(size, stride, format);
aResources.AddImage(*mTitlebarImageKey, descriptor, buffer);
mTitlebarImageSize = size;
needUpdate = false;
}
if (needUpdate) {
wr::ImageDescriptor descriptor(size, stride, format);
aResources.UpdateImageBuffer(*mTitlebarImageKey, descriptor, buffer);
}
wr::LayoutRect rect = wr::ToLayoutRect(mTitlebarRect);
aBuilder.PushImage(wr::LayoutRect{rect.origin, {float(size.width), float(size.height)}}, rect,
true, wr::ImageRendering::Auto, *mTitlebarImageKey);
}
}
bool nsChildView::PreRender(WidgetRenderingContext* aContext) {
UniquePtr<GLManager> manager(GLManager::CreateGLManager(aContext->mLayerManager));
gl::GLContext* gl = manager ? manager->gl() : aContext->mGL;
if (!gl) {
return true;
}
// The lock makes sure that we don't attempt to tear down the view while
// compositing. That would make us unable to call postRender on it when the
// composition is done, thus keeping the GL context locked forever.
mViewTearDownLock.Lock();
NSOpenGLContext* glContext = GLContextCGL::Cast(gl)->GetNSOpenGLContext();
if (![mView preRender:glContext]) {
mViewTearDownLock.Unlock();
return false;
}
return true;
}
void nsChildView::PostRender(WidgetRenderingContext* aContext) {
UniquePtr<GLManager> manager(GLManager::CreateGLManager(aContext->mLayerManager));
gl::GLContext* gl = manager ? manager->gl() : aContext->mGL;
if (!gl) {
return;
}
NSOpenGLContext* glContext = GLContextCGL::Cast(gl)->GetNSOpenGLContext();
[mView postRender:glContext];
mViewTearDownLock.Unlock();
}
void nsChildView::DrawWindowOverlay(WidgetRenderingContext* aContext, LayoutDeviceIntRect aRect) {
mozilla::UniquePtr<GLManager> manager(GLManager::CreateGLManager(aContext->mLayerManager));
if (manager) {
DrawWindowOverlay(manager.get(), aRect);
}
}
void nsChildView::DrawWindowOverlay(GLManager* aManager, LayoutDeviceIntRect aRect) {
GLContext* gl = aManager->gl();
ScopedGLState scopedScissorTestState(gl, LOCAL_GL_SCISSOR_TEST, false);
MaybeDrawTitlebar(aManager);
MaybeDrawResizeIndicator(aManager);
MaybeDrawRoundedCorners(aManager, aRect);
}
static void ClearRegion(gfx::DrawTarget* aDT, LayoutDeviceIntRegion aRegion) {
gfxUtils::ClipToRegion(aDT, aRegion.ToUnknownRegion());
aDT->ClearRect(gfx::Rect(0, 0, aDT->GetSize().width, aDT->GetSize().height));
aDT->PopClip();
}
static void DrawResizer(CGContextRef aCtx) {
CGContextSetShouldAntialias(aCtx, false);
CGPoint points[6];
points[0] = CGPointMake(13.0f, 4.0f);
points[1] = CGPointMake(3.0f, 14.0f);
points[2] = CGPointMake(13.0f, 8.0f);
points[3] = CGPointMake(7.0f, 14.0f);
points[4] = CGPointMake(13.0f, 12.0f);
points[5] = CGPointMake(11.0f, 14.0f);
CGContextSetRGBStrokeColor(aCtx, 0.00f, 0.00f, 0.00f, 0.15f);
CGContextStrokeLineSegments(aCtx, points, 6);
points[0] = CGPointMake(13.0f, 5.0f);
points[1] = CGPointMake(4.0f, 14.0f);
points[2] = CGPointMake(13.0f, 9.0f);
points[3] = CGPointMake(8.0f, 14.0f);
points[4] = CGPointMake(13.0f, 13.0f);
points[5] = CGPointMake(12.0f, 14.0f);
CGContextSetRGBStrokeColor(aCtx, 0.13f, 0.13f, 0.13f, 0.54f);
CGContextStrokeLineSegments(aCtx, points, 6);
points[0] = CGPointMake(13.0f, 6.0f);
points[1] = CGPointMake(5.0f, 14.0f);
points[2] = CGPointMake(13.0f, 10.0f);
points[3] = CGPointMake(9.0f, 14.0f);
points[5] = CGPointMake(13.0f, 13.9f);
points[4] = CGPointMake(13.0f, 14.0f);
CGContextSetRGBStrokeColor(aCtx, 0.84f, 0.84f, 0.84f, 0.55f);
CGContextStrokeLineSegments(aCtx, points, 6);
}
void nsChildView::MaybeDrawResizeIndicator(GLManager* aManager) {
MutexAutoLock lock(mEffectsLock);
if (!mShowsResizeIndicator) {
return;
}
if (!mResizerImage) {
mResizerImage = MakeUnique<RectTextureImage>();
}
LayoutDeviceIntSize size = mResizeIndicatorRect.Size();
mResizerImage->UpdateIfNeeded(
size, LayoutDeviceIntRegion(),
^(gfx::DrawTarget* drawTarget, const LayoutDeviceIntRegion& updateRegion) {
ClearRegion(drawTarget, updateRegion);
gfx::BorrowedCGContext borrow(drawTarget);
DrawResizer(borrow.cg);
borrow.Finish();
});
mResizerImage->Draw(aManager, mResizeIndicatorRect.TopLeft());
}
static CGContextRef CreateCGContext(const LayoutDeviceIntSize& aSize) {
CGColorSpaceRef cs = CGColorSpaceCreateDeviceRGB();
CGContextRef ctx = CGBitmapContextCreate(
NULL, aSize.width, aSize.height, 8 /* bitsPerComponent */, aSize.width * 4, cs,
kCGBitmapByteOrder32Host | kCGImageAlphaPremultipliedFirst);
CGColorSpaceRelease(cs);
CGContextTranslateCTM(ctx, 0, aSize.height);
CGContextScaleCTM(ctx, 1, -1);
CGContextSetInterpolationQuality(ctx, kCGInterpolationLow);
return ctx;
}
static LayoutDeviceIntSize TextureSizeForSize(const LayoutDeviceIntSize& aSize) {
return LayoutDeviceIntSize(RoundUpPow2(aSize.width), RoundUpPow2(aSize.height));
}
// When this method is entered, mEffectsLock is already being held.
void nsChildView::UpdateTitlebarCGContext() {
if (mTitlebarRect.IsEmpty()) {
ReleaseTitlebarCGContext();
return;
}
NSRect titlebarRect = DevPixelsToCocoaPoints(mTitlebarRect);
NSRect dirtyRect = [mView convertRect:[(BaseWindow*)[mView window] getAndResetNativeDirtyRect]
fromView:nil];
NSRect dirtyTitlebarRect = NSIntersectionRect(titlebarRect, dirtyRect);
LayoutDeviceIntSize texSize = TextureSizeForSize(mTitlebarRect.Size());
if (!mTitlebarCGContext || CGBitmapContextGetWidth(mTitlebarCGContext) != size_t(texSize.width) ||
CGBitmapContextGetHeight(mTitlebarCGContext) != size_t(texSize.height)) {
dirtyTitlebarRect = titlebarRect;
ReleaseTitlebarCGContext();
mTitlebarCGContext = CreateCGContext(texSize);
}
if (NSIsEmptyRect(dirtyTitlebarRect)) {
return;
}
CGContextRef ctx = mTitlebarCGContext;
CGContextSaveGState(ctx);
CGContextTranslateCTM(ctx, -mTitlebarRect.x, -mTitlebarRect.y);
double scale = BackingScaleFactor();
CGContextScaleCTM(ctx, scale, scale);
CGContextClipToRect(ctx, NSRectToCGRect(dirtyTitlebarRect));
CGContextClearRect(ctx, NSRectToCGRect(dirtyTitlebarRect));
NSGraphicsContext* oldContext = [NSGraphicsContext currentContext];
CGContextSaveGState(ctx);
BaseWindow* window = (BaseWindow*)[mView window];
NSView* frameView = [[window contentView] superview];
if (![frameView isFlipped]) {
CGContextTranslateCTM(ctx, 0, [frameView bounds].size.height);
CGContextScaleCTM(ctx, 1, -1);
}
NSGraphicsContext* context =
[NSGraphicsContext graphicsContextWithGraphicsPort:ctx flipped:[frameView isFlipped]];
[NSGraphicsContext setCurrentContext:context];
// Draw the title string.
if ([window wantsTitleDrawn] && [frameView respondsToSelector:@selector(_drawTitleBar:)]) {
[frameView _drawTitleBar:[frameView bounds]];
}
// Draw the titlebar controls into the titlebar image.
for (id view in [window titlebarControls]) {
NSRect viewFrame = [view frame];
NSRect viewRect = [mView convertRect:viewFrame fromView:frameView];
if (!NSIntersectsRect(dirtyTitlebarRect, viewRect)) {
continue;
}
// All of the titlebar controls we're interested in are subclasses of
// NSButton.
if (![view isKindOfClass:[NSButton class]]) {
continue;
}
NSButton* button = (NSButton*)view;
id cellObject = [button cell];
if (![cellObject isKindOfClass:[NSCell class]]) {
continue;
}
NSCell* cell = (NSCell*)cellObject;
CGContextSaveGState(ctx);
CGContextTranslateCTM(ctx, viewFrame.origin.x, viewFrame.origin.y);
if ([context isFlipped] != [view isFlipped]) {
CGContextTranslateCTM(ctx, 0, viewFrame.size.height);
CGContextScaleCTM(ctx, 1, -1);
}
[NSGraphicsContext
setCurrentContext:[NSGraphicsContext graphicsContextWithGraphicsPort:ctx
flipped:[view isFlipped]]];
if ([window useBrightTitlebarForeground] && !nsCocoaFeatures::OnYosemiteOrLater() &&
view == [window standardWindowButton:NSWindowFullScreenButton]) {
// Make the fullscreen button visible on dark titlebar backgrounds by
// drawing it into a new transparency layer and turning it white.
CGRect r = NSRectToCGRect([view bounds]);
CGContextBeginTransparencyLayerWithRect(ctx, r, nullptr);
// Draw twice for double opacity.
[cell drawWithFrame:[button bounds] inView:button];
[cell drawWithFrame:[button bounds] inView:button];
// Make it white.
CGContextSetBlendMode(ctx, kCGBlendModeSourceIn);
CGContextSetRGBFillColor(ctx, 1, 1, 1, 1);
CGContextFillRect(ctx, r);
CGContextSetBlendMode(ctx, kCGBlendModeNormal);
CGContextEndTransparencyLayer(ctx);
} else {
[cell drawWithFrame:[button bounds] inView:button];
}
[NSGraphicsContext setCurrentContext:context];
CGContextRestoreGState(ctx);
}
CGContextRestoreGState(ctx);
[NSGraphicsContext setCurrentContext:oldContext];
CGContextRestoreGState(ctx);
mUpdatedTitlebarRegion.OrWith(CocoaPointsToDevPixels(dirtyTitlebarRect));
}
// This method draws an overlay in the top of the window which contains the
// titlebar controls (e.g. close, min, zoom, fullscreen) and the titlebar
// highlight effect.
// This is necessary because the real titlebar controls are covered by our
// OpenGL context. Note that in terms of the NSView hierarchy, our ChildView
// is actually below the titlebar controls - that's why hovering and clicking
// them works as expected - but their visual representation is only drawn into
// the normal window buffer, and the window buffer surface lies below the
// GLContext surface. In order to make the titlebar controls visible, we have
// to redraw them inside the OpenGL context surface.
void nsChildView::MaybeDrawTitlebar(GLManager* aManager) {
MutexAutoLock lock(mEffectsLock);
if (!mIsCoveringTitlebar || mIsFullscreen || mTitlebarRect.IsEmpty()) {
return;
}
LayoutDeviceIntRegion updatedTitlebarRegion;
updatedTitlebarRegion.And(mUpdatedTitlebarRegion, mTitlebarRect);
updatedTitlebarRegion.MoveBy(-mTitlebarRect.TopLeft());
mUpdatedTitlebarRegion.SetEmpty();
if (!mTitlebarImage) {
mTitlebarImage = MakeUnique<RectTextureImage>();
}
mTitlebarImage->UpdateFromCGContext(mTitlebarRect.Size(), updatedTitlebarRegion,
mTitlebarCGContext);
mTitlebarImage->Draw(aManager, mTitlebarRect.TopLeft());
}
static void DrawTopLeftCornerMask(CGContextRef aCtx, int aRadius) {
CGContextSetRGBFillColor(aCtx, 1.0, 1.0, 1.0, 1.0);
CGContextFillEllipseInRect(aCtx, CGRectMake(0, 0, aRadius * 2, aRadius * 2));
}
void nsChildView::MaybeDrawRoundedCorners(GLManager* aManager, const LayoutDeviceIntRect& aRect) {
MutexAutoLock lock(mEffectsLock);
if (!mCornerMaskImage) {
mCornerMaskImage = MakeUnique<RectTextureImage>();
}
LayoutDeviceIntSize size(mDevPixelCornerRadius, mDevPixelCornerRadius);
mCornerMaskImage->UpdateIfNeeded(
size, LayoutDeviceIntRegion(),
^(gfx::DrawTarget* drawTarget, const LayoutDeviceIntRegion& updateRegion) {
ClearRegion(drawTarget, updateRegion);
RefPtr<gfx::PathBuilder> builder = drawTarget->CreatePathBuilder();
builder->Arc(gfx::Point(mDevPixelCornerRadius, mDevPixelCornerRadius),
mDevPixelCornerRadius, 0, 2.0f * M_PI);
RefPtr<gfx::Path> path = builder->Finish();
drawTarget->Fill(path, gfx::ColorPattern(gfx::Color(1.0, 1.0, 1.0, 1.0)),
gfx::DrawOptions(1.0f, gfx::CompositionOp::OP_SOURCE));
});
// Use operator destination in: multiply all 4 channels with source alpha.
aManager->gl()->fBlendFuncSeparate(LOCAL_GL_ZERO, LOCAL_GL_SRC_ALPHA, LOCAL_GL_ZERO,
LOCAL_GL_SRC_ALPHA);
Matrix4x4 flipX = Matrix4x4::Scaling(-1, 1, 1);
Matrix4x4 flipY = Matrix4x4::Scaling(1, -1, 1);
if (mIsCoveringTitlebar && !mIsFullscreen) {
// Mask the top corners.
mCornerMaskImage->Draw(aManager, aRect.TopLeft());
mCornerMaskImage->Draw(aManager, aRect.TopRight(), flipX);
}
if (mHasRoundedBottomCorners && !mIsFullscreen) {
// Mask the bottom corners.
mCornerMaskImage->Draw(aManager, aRect.BottomLeft(), flipY);
mCornerMaskImage->Draw(aManager, aRect.BottomRight(), flipY * flipX);
}
// Reset blend mode.
aManager->gl()->fBlendFuncSeparate(LOCAL_GL_ONE, LOCAL_GL_ONE_MINUS_SRC_ALPHA, LOCAL_GL_ONE,
LOCAL_GL_ONE);
}
static int32_t FindTitlebarBottom(const nsTArray<nsIWidget::ThemeGeometry>& aThemeGeometries,
int32_t aWindowWidth) {
int32_t titlebarBottom = 0;
for (auto& g : aThemeGeometries) {
if ((g.mType == nsNativeThemeCocoa::eThemeGeometryTypeTitlebar ||
g.mType == nsNativeThemeCocoa::eThemeGeometryTypeVibrantTitlebarLight ||
g.mType == nsNativeThemeCocoa::eThemeGeometryTypeVibrantTitlebarDark) &&
g.mRect.X() <= 0 && g.mRect.XMost() >= aWindowWidth && g.mRect.Y() <= 0) {
titlebarBottom = std::max(titlebarBottom, g.mRect.YMost());
}
}
return titlebarBottom;
}
static int32_t FindUnifiedToolbarBottom(const nsTArray<nsIWidget::ThemeGeometry>& aThemeGeometries,
int32_t aWindowWidth, int32_t aTitlebarBottom) {
int32_t unifiedToolbarBottom = aTitlebarBottom;
for (uint32_t i = 0; i < aThemeGeometries.Length(); ++i) {
const nsIWidget::ThemeGeometry& g = aThemeGeometries[i];
if ((g.mType == nsNativeThemeCocoa::eThemeGeometryTypeToolbar) && g.mRect.X() <= 0 &&
g.mRect.XMost() >= aWindowWidth && g.mRect.Y() <= aTitlebarBottom) {
unifiedToolbarBottom = std::max(unifiedToolbarBottom, g.mRect.YMost());
}
}
return unifiedToolbarBottom;
}
static LayoutDeviceIntRect FindFirstRectOfType(
const nsTArray<nsIWidget::ThemeGeometry>& aThemeGeometries,
nsITheme::ThemeGeometryType aThemeGeometryType) {
for (uint32_t i = 0; i < aThemeGeometries.Length(); ++i) {
const nsIWidget::ThemeGeometry& g = aThemeGeometries[i];
if (g.mType == aThemeGeometryType) {
return g.mRect;
}
}
return LayoutDeviceIntRect();
}
void nsChildView::UpdateThemeGeometries(const nsTArray<ThemeGeometry>& aThemeGeometries) {
if (![mView window]) return;
UpdateVibrancy(aThemeGeometries);
if (![[mView window] isKindOfClass:[ToolbarWindow class]]) return;
// Update unified toolbar height and sheet attachment position.
int32_t windowWidth = mBounds.width;
int32_t titlebarBottom = FindTitlebarBottom(aThemeGeometries, windowWidth);
int32_t unifiedToolbarBottom =
FindUnifiedToolbarBottom(aThemeGeometries, windowWidth, titlebarBottom);
int32_t toolboxBottom =
FindFirstRectOfType(aThemeGeometries, nsNativeThemeCocoa::eThemeGeometryTypeToolbox).YMost();
ToolbarWindow* win = (ToolbarWindow*)[mView window];
int32_t titlebarHeight = CocoaPointsToDevPixels([win titlebarHeight]);
int32_t devUnifiedHeight = titlebarHeight + unifiedToolbarBottom;
[win setUnifiedToolbarHeight:DevPixelsToCocoaPoints(devUnifiedHeight)];
int32_t sheetPositionDevPx = std::max(toolboxBottom, unifiedToolbarBottom);
NSPoint sheetPositionView = {0, DevPixelsToCocoaPoints(sheetPositionDevPx)};
NSPoint sheetPositionWindow = [mView convertPoint:sheetPositionView toView:nil];
[win setSheetAttachmentPosition:sheetPositionWindow.y];
// Update titlebar control offsets.
LayoutDeviceIntRect windowButtonRect =
FindFirstRectOfType(aThemeGeometries, nsNativeThemeCocoa::eThemeGeometryTypeWindowButtons);
[win placeWindowButtons:[mView convertRect:DevPixelsToCocoaPoints(windowButtonRect) toView:nil]];
LayoutDeviceIntRect fullScreenButtonRect =
FindFirstRectOfType(aThemeGeometries, nsNativeThemeCocoa::eThemeGeometryTypeFullscreenButton);
[win placeFullScreenButton:[mView convertRect:DevPixelsToCocoaPoints(fullScreenButtonRect)
toView:nil]];
}
static Maybe<VibrancyType> ThemeGeometryTypeToVibrancyType(
nsITheme::ThemeGeometryType aThemeGeometryType) {
switch (aThemeGeometryType) {
case nsNativeThemeCocoa::eThemeGeometryTypeVibrancyLight:
case nsNativeThemeCocoa::eThemeGeometryTypeVibrantTitlebarLight:
return Some(VibrancyType::LIGHT);
case nsNativeThemeCocoa::eThemeGeometryTypeVibrancyDark:
case nsNativeThemeCocoa::eThemeGeometryTypeVibrantTitlebarDark:
return Some(VibrancyType::DARK);
case nsNativeThemeCocoa::eThemeGeometryTypeSheet:
return Some(VibrancyType::SHEET);
case nsNativeThemeCocoa::eThemeGeometryTypeTooltip:
return Some(VibrancyType::TOOLTIP);
case nsNativeThemeCocoa::eThemeGeometryTypeMenu:
return Some(VibrancyType::MENU);
case nsNativeThemeCocoa::eThemeGeometryTypeHighlightedMenuItem:
return Some(VibrancyType::HIGHLIGHTED_MENUITEM);
case nsNativeThemeCocoa::eThemeGeometryTypeSourceList:
return Some(VibrancyType::SOURCE_LIST);
case nsNativeThemeCocoa::eThemeGeometryTypeSourceListSelection:
return Some(VibrancyType::SOURCE_LIST_SELECTION);
case nsNativeThemeCocoa::eThemeGeometryTypeActiveSourceListSelection:
return Some(VibrancyType::ACTIVE_SOURCE_LIST_SELECTION);
default:
return Nothing();
}
}
static LayoutDeviceIntRegion GatherVibrantRegion(
const nsTArray<nsIWidget::ThemeGeometry>& aThemeGeometries, VibrancyType aVibrancyType) {
LayoutDeviceIntRegion region;
for (auto& geometry : aThemeGeometries) {
if (ThemeGeometryTypeToVibrancyType(geometry.mType) == Some(aVibrancyType)) {
region.OrWith(geometry.mRect);
}
}
return region;
}
template <typename Region>
static void MakeRegionsNonOverlappingImpl(Region& aOutUnion) {}
template <typename Region, typename... Regions>
static void MakeRegionsNonOverlappingImpl(Region& aOutUnion, Region& aFirst, Regions&... aRest) {
MakeRegionsNonOverlappingImpl(aOutUnion, aRest...);
aFirst.SubOut(aOutUnion);
aOutUnion.OrWith(aFirst);
}
// Subtracts parts from regions in such a way that they don't have any overlap.
// Each region in the argument list will have the union of all the regions
// *following* it subtracted from itself. In other words, the arguments are
// sorted low priority to high priority.
template <typename Region, typename... Regions>
static void MakeRegionsNonOverlapping(Region& aFirst, Regions&... aRest) {
Region unionOfAll;
MakeRegionsNonOverlappingImpl(unionOfAll, aFirst, aRest...);
}
void nsChildView::UpdateVibrancy(const nsTArray<ThemeGeometry>& aThemeGeometries) {
if (!VibrancyManager::SystemSupportsVibrancy()) {
return;
}
LayoutDeviceIntRegion sheetRegion = GatherVibrantRegion(aThemeGeometries, VibrancyType::SHEET);
LayoutDeviceIntRegion vibrantLightRegion =
GatherVibrantRegion(aThemeGeometries, VibrancyType::LIGHT);
LayoutDeviceIntRegion vibrantDarkRegion =
GatherVibrantRegion(aThemeGeometries, VibrancyType::DARK);
LayoutDeviceIntRegion menuRegion = GatherVibrantRegion(aThemeGeometries, VibrancyType::MENU);
LayoutDeviceIntRegion tooltipRegion =
GatherVibrantRegion(aThemeGeometries, VibrancyType::TOOLTIP);
LayoutDeviceIntRegion highlightedMenuItemRegion =
GatherVibrantRegion(aThemeGeometries, VibrancyType::HIGHLIGHTED_MENUITEM);
LayoutDeviceIntRegion sourceListRegion =
GatherVibrantRegion(aThemeGeometries, VibrancyType::SOURCE_LIST);
LayoutDeviceIntRegion sourceListSelectionRegion =
GatherVibrantRegion(aThemeGeometries, VibrancyType::SOURCE_LIST_SELECTION);
LayoutDeviceIntRegion activeSourceListSelectionRegion =
GatherVibrantRegion(aThemeGeometries, VibrancyType::ACTIVE_SOURCE_LIST_SELECTION);
MakeRegionsNonOverlapping(sheetRegion, vibrantLightRegion, vibrantDarkRegion, menuRegion,
tooltipRegion, highlightedMenuItemRegion, sourceListRegion,
sourceListSelectionRegion, activeSourceListSelectionRegion);
auto& vm = EnsureVibrancyManager();
vm.UpdateVibrantRegion(VibrancyType::LIGHT, vibrantLightRegion);
vm.UpdateVibrantRegion(VibrancyType::DARK, vibrantDarkRegion);
vm.UpdateVibrantRegion(VibrancyType::MENU, menuRegion);
vm.UpdateVibrantRegion(VibrancyType::TOOLTIP, tooltipRegion);
vm.UpdateVibrantRegion(VibrancyType::HIGHLIGHTED_MENUITEM, highlightedMenuItemRegion);
vm.UpdateVibrantRegion(VibrancyType::SHEET, sheetRegion);
vm.UpdateVibrantRegion(VibrancyType::SOURCE_LIST, sourceListRegion);
vm.UpdateVibrantRegion(VibrancyType::SOURCE_LIST_SELECTION, sourceListSelectionRegion);
vm.UpdateVibrantRegion(VibrancyType::ACTIVE_SOURCE_LIST_SELECTION,
activeSourceListSelectionRegion);
}
NSColor* nsChildView::VibrancyFillColorForThemeGeometryType(
nsITheme::ThemeGeometryType aThemeGeometryType) {
if (VibrancyManager::SystemSupportsVibrancy()) {
Maybe<VibrancyType> vibrancyType = ThemeGeometryTypeToVibrancyType(aThemeGeometryType);
MOZ_RELEASE_ASSERT(vibrancyType, "should only encounter vibrant theme geometry types here");
return EnsureVibrancyManager().VibrancyFillColorForType(*vibrancyType);
}
return [NSColor whiteColor];
}
mozilla::VibrancyManager& nsChildView::EnsureVibrancyManager() {
MOZ_ASSERT(mView, "Only call this once we have a view!");
if (!mVibrancyManager) {
mVibrancyManager = MakeUnique<VibrancyManager>(*this, [mView vibrancyViewsContainer]);
}
return *mVibrancyManager;
}
nsChildView::SwipeInfo nsChildView::SendMayStartSwipe(
const mozilla::PanGestureInput& aSwipeStartEvent) {
nsCOMPtr<nsIWidget> kungFuDeathGrip(this);
uint32_t direction = (aSwipeStartEvent.mPanDisplacement.x > 0.0)
? (uint32_t)dom::SimpleGestureEvent_Binding::DIRECTION_RIGHT
: (uint32_t)dom::SimpleGestureEvent_Binding::DIRECTION_LEFT;
// We're ready to start the animation. Tell Gecko about it, and at the same
// time ask it if it really wants to start an animation for this event.
// This event also reports back the directions that we can swipe in.
LayoutDeviceIntPoint position =
RoundedToInt(aSwipeStartEvent.mPanStartPoint * ScreenToLayoutDeviceScale(1));
WidgetSimpleGestureEvent geckoEvent = SwipeTracker::CreateSwipeGestureEvent(
eSwipeGestureMayStart, this, position, aSwipeStartEvent.mTimeStamp);
geckoEvent.mDirection = direction;
geckoEvent.mDelta = 0.0;
geckoEvent.mAllowedDirections = 0;
bool shouldStartSwipe = DispatchWindowEvent(geckoEvent); // event cancelled == swipe should start
SwipeInfo result = {shouldStartSwipe, geckoEvent.mAllowedDirections};
return result;
}
void nsChildView::TrackScrollEventAsSwipe(const mozilla::PanGestureInput& aSwipeStartEvent,
uint32_t aAllowedDirections) {
// If a swipe is currently being tracked kill it -- it's been interrupted
// by another gesture event.
if (mSwipeTracker) {
mSwipeTracker->CancelSwipe(aSwipeStartEvent.mTimeStamp);
mSwipeTracker->Destroy();
mSwipeTracker = nullptr;
}
uint32_t direction = (aSwipeStartEvent.mPanDisplacement.x > 0.0)
? (uint32_t)dom::SimpleGestureEvent_Binding::DIRECTION_RIGHT
: (uint32_t)dom::SimpleGestureEvent_Binding::DIRECTION_LEFT;
mSwipeTracker = new SwipeTracker(*this, aSwipeStartEvent, aAllowedDirections, direction);
if (!mAPZC) {
mCurrentPanGestureBelongsToSwipe = true;
}
}
void nsChildView::SwipeFinished() { mSwipeTracker = nullptr; }
void nsChildView::UpdateBoundsFromView() { mBounds = CocoaPointsToDevPixels([mView frame]); }
already_AddRefed<gfx::DrawTarget> nsChildView::StartRemoteDrawingInRegion(
LayoutDeviceIntRegion& aInvalidRegion, BufferMode* aBufferMode) {
// should have created the GLPresenter in InitCompositor.
MOZ_ASSERT(mGLPresenter);
if (!mGLPresenter) {
mGLPresenter = GLPresenter::CreateForWindow(this);
if (!mGLPresenter) {
return nullptr;
}
}
LayoutDeviceIntRegion dirtyRegion(aInvalidRegion);
LayoutDeviceIntSize renderSize = mBounds.Size();
if (!mBasicCompositorImage) {
mBasicCompositorImage = MakeUnique<RectTextureImage>();
}
RefPtr<gfx::DrawTarget> drawTarget = mBasicCompositorImage->BeginUpdate(renderSize, dirtyRegion);
if (!drawTarget) {
// Composite unchanged textures.
DoRemoteComposition(mBounds);
return nullptr;
}
aInvalidRegion = mBasicCompositorImage->GetUpdateRegion();
*aBufferMode = BufferMode::BUFFER_NONE;
return drawTarget.forget();
}
void nsChildView::EndRemoteDrawing() {
mBasicCompositorImage->EndUpdate();
DoRemoteComposition(mBounds);
}
void nsChildView::CleanupRemoteDrawing() {
mBasicCompositorImage = nullptr;
mCornerMaskImage = nullptr;
mResizerImage = nullptr;
mTitlebarImage = nullptr;
mGLPresenter = nullptr;
}
bool nsChildView::InitCompositor(Compositor* aCompositor) {
if (aCompositor->GetBackendType() == LayersBackend::LAYERS_BASIC) {
if (!mGLPresenter) {
mGLPresenter = GLPresenter::CreateForWindow(this);
}
return !!mGLPresenter;
}
return true;
}
void nsChildView::DoRemoteComposition(const LayoutDeviceIntRect& aRenderRect) {
if (![mView preRender:mGLPresenter->GetNSOpenGLContext()]) {
return;
}
mGLPresenter->BeginFrame(aRenderRect.Size());
// Draw the result from the basic compositor.
mBasicCompositorImage->Draw(mGLPresenter.get(), LayoutDeviceIntPoint(0, 0));
// DrawWindowOverlay doesn't do anything for non-GL, so it didn't paint
// anything during the basic compositor transaction. Draw the overlay now.
DrawWindowOverlay(mGLPresenter.get(), aRenderRect);
mGLPresenter->EndFrame();
[mView postRender:mGLPresenter->GetNSOpenGLContext()];
}
@interface NonDraggableView : NSView
@end
@implementation NonDraggableView
- (BOOL)mouseDownCanMoveWindow {
return NO;
}
- (NSView*)hitTest:(NSPoint)aPoint {
return nil;
}
@end
void nsChildView::UpdateWindowDraggingRegion(const LayoutDeviceIntRegion& aRegion) {
// mView returns YES from mouseDownCanMoveWindow, so we need to put NSViews
// that return NO from mouseDownCanMoveWindow in the places that shouldn't
// be draggable. We can't do it the other way round because returning
// YES from mouseDownCanMoveWindow doesn't have any effect if there's a
// superview that returns NO.
LayoutDeviceIntRegion nonDraggable;
nonDraggable.Sub(LayoutDeviceIntRect(0, 0, mBounds.width, mBounds.height), aRegion);
__block bool changed = false;
// Suppress calls to setNeedsDisplay during NSView geometry changes.
ManipulateViewWithoutNeedingDisplay(mView, ^() {
changed = mNonDraggableRegion.UpdateRegion(
nonDraggable, *this, [mView nonDraggableViewsContainer], ^() {
return [[NonDraggableView alloc] initWithFrame:NSZeroRect];
});
});
if (changed) {
// Trigger an update to the window server. This will call
// mouseDownCanMoveWindow.
// Doing this manually is only necessary because we're suppressing
// setNeedsDisplay calls above.
[[mView window] setMovableByWindowBackground:NO];
[[mView window] setMovableByWindowBackground:YES];
}
}
void nsChildView::ReportSwipeStarted(uint64_t aInputBlockId, bool aStartSwipe) {
if (mSwipeEventQueue && mSwipeEventQueue->inputBlockId == aInputBlockId) {
if (aStartSwipe) {
PanGestureInput& startEvent = mSwipeEventQueue->queuedEvents[0];
TrackScrollEventAsSwipe(startEvent, mSwipeEventQueue->allowedDirections);
for (size_t i = 1; i < mSwipeEventQueue->queuedEvents.Length(); i++) {
mSwipeTracker->ProcessEvent(mSwipeEventQueue->queuedEvents[i]);
}
}
mSwipeEventQueue = nullptr;
}
}
nsEventStatus nsChildView::DispatchAPZInputEvent(InputData& aEvent) {
if (mAPZC) {
uint64_t inputBlockId = 0;
ScrollableLayerGuid guid;
return mAPZC->InputBridge()->ReceiveInputEvent(aEvent, &guid, &inputBlockId);
}
return nsEventStatus_eIgnore;
}
void nsChildView::DispatchAPZWheelInputEvent(InputData& aEvent, bool aCanTriggerSwipe) {
if (mSwipeTracker && aEvent.mInputType == PANGESTURE_INPUT) {
// Give the swipe tracker a first pass at the event. If a new pan gesture
// has been started since the beginning of the swipe, the swipe tracker
// will know to ignore the event.
nsEventStatus status = mSwipeTracker->ProcessEvent(aEvent.AsPanGestureInput());
if (status == nsEventStatus_eConsumeNoDefault) {
return;
}
}
WidgetWheelEvent event(true, eWheel, this);
if (mAPZC) {
uint64_t inputBlockId = 0;
ScrollableLayerGuid guid;
nsEventStatus result = nsEventStatus_eIgnore;
switch (aEvent.mInputType) {
case PANGESTURE_INPUT: {
result = mAPZC->InputBridge()->ReceiveInputEvent(aEvent, &guid, &inputBlockId);
if (result == nsEventStatus_eConsumeNoDefault) {
return;
}
PanGestureInput& panInput = aEvent.AsPanGestureInput();
event = panInput.ToWidgetWheelEvent(this);
if (aCanTriggerSwipe && panInput.mOverscrollBehaviorAllowsSwipe) {
SwipeInfo swipeInfo = SendMayStartSwipe(panInput);
event.mCanTriggerSwipe = swipeInfo.wantsSwipe;
if (swipeInfo.wantsSwipe) {
if (result == nsEventStatus_eIgnore) {
// APZ has determined and that scrolling horizontally in the
// requested direction is impossible, so it didn't do any
// scrolling for the event.
// We know now that MayStartSwipe wants a swipe, so we can start
// the swipe now.
TrackScrollEventAsSwipe(panInput, swipeInfo.allowedDirections);
} else {
// We don't know whether this event can start a swipe, so we need
// to queue up events and wait for a call to ReportSwipeStarted.
// APZ might already have started scrolling in response to the
// event if it knew that it's the right thing to do. In that case
// we'll still get a call to ReportSwipeStarted, and we will
// discard the queued events at that point.
mSwipeEventQueue =
MakeUnique<SwipeEventQueue>(swipeInfo.allowedDirections, inputBlockId);
}
}
}
if (mSwipeEventQueue && mSwipeEventQueue->inputBlockId == inputBlockId) {
mSwipeEventQueue->queuedEvents.AppendElement(panInput);
}
break;
}
case SCROLLWHEEL_INPUT: {
// For wheel events on OS X, send it to APZ using the WidgetInputEvent
// variant of ReceiveInputEvent, because the APZInputBridge version of
// that function has special handling (for delta multipliers etc.) that
// we need to run. Using the InputData variant would bypass that and
// go straight to the APZCTreeManager subclass.
event = aEvent.AsScrollWheelInput().ToWidgetWheelEvent(this);
result = mAPZC->InputBridge()->ReceiveInputEvent(event, &guid, &inputBlockId);
if (result == nsEventStatus_eConsumeNoDefault) {
return;
}
break;
};
default:
MOZ_CRASH("unsupported event type");
return;
}
if (event.mMessage == eWheel && (event.mDeltaX != 0 || event.mDeltaY != 0)) {
ProcessUntransformedAPZEvent(&event, guid, inputBlockId, result);
}
return;
}
nsEventStatus status;
switch (aEvent.mInputType) {
case PANGESTURE_INPUT: {
PanGestureInput panInput = aEvent.AsPanGestureInput();
if (panInput.mType == PanGestureInput::PANGESTURE_MAYSTART ||
panInput.mType == PanGestureInput::PANGESTURE_START) {
mCurrentPanGestureBelongsToSwipe = false;
}
if (mCurrentPanGestureBelongsToSwipe) {
// Ignore this event. It's a momentum event from a scroll gesture
// that was processed as a swipe, and the swipe animation has
// already finished (so mSwipeTracker is already null).
MOZ_ASSERT(panInput.IsMomentum(),
"If the fingers are still on the touchpad, we should still have a SwipeTracker, "
"and it should have consumed this event.");
return;
}
event = panInput.ToWidgetWheelEvent(this);
if (aCanTriggerSwipe) {
SwipeInfo swipeInfo = SendMayStartSwipe(panInput);
// We're in the non-APZ case here, but we still want to know whether
// the event was routed to a child process, so we use InputAPZContext
// to get that piece of information.
ScrollableLayerGuid guid;
InputAPZContext context(guid, 0, nsEventStatus_eIgnore);
event.mCanTriggerSwipe = swipeInfo.wantsSwipe;
DispatchEvent(&event, status);
if (swipeInfo.wantsSwipe) {
if (context.WasRoutedToChildProcess()) {
// We don't know whether this event can start a swipe, so we need
// to queue up events and wait for a call to ReportSwipeStarted.
mSwipeEventQueue = MakeUnique<SwipeEventQueue>(swipeInfo.allowedDirections, 0);
} else if (event.TriggersSwipe()) {
TrackScrollEventAsSwipe(panInput, swipeInfo.allowedDirections);
}
}
if (mSwipeEventQueue && mSwipeEventQueue->inputBlockId == 0) {
mSwipeEventQueue->queuedEvents.AppendElement(panInput);
}
return;
}
break;
}
case SCROLLWHEEL_INPUT: {
event = aEvent.AsScrollWheelInput().ToWidgetWheelEvent(this);
break;
}
default:
MOZ_CRASH("unexpected event type");
return;
}
if (event.mMessage == eWheel && (event.mDeltaX != 0 || event.mDeltaY != 0)) {
DispatchEvent(&event, status);
}
}
void nsChildView::LookUpDictionary(const nsAString& aText,
const nsTArray<mozilla::FontRange>& aFontRangeArray,
const bool aIsVertical, const LayoutDeviceIntPoint& aPoint) {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
NSMutableAttributedString* attrStr = nsCocoaUtils::GetNSMutableAttributedString(
aText, aFontRangeArray, aIsVertical, BackingScaleFactor());
NSPoint pt = nsCocoaUtils::DevPixelsToCocoaPoints(aPoint, BackingScaleFactor());
NSDictionary* attributes = [attrStr attributesAtIndex:0 effectiveRange:nil];
NSFont* font = [attributes objectForKey:NSFontAttributeName];
if (font) {
if (aIsVertical) {
pt.x -= [font descender];
} else {
pt.y += [font ascender];
}
}
[mView showDefinitionForAttributedString:attrStr atPoint:pt];
NS_OBJC_END_TRY_ABORT_BLOCK;
}
nsresult nsChildView::SetPrefersReducedMotionOverrideForTest(bool aValue) {
// Tell that the cache value we are going to set isn't cleared via
// nsPresContext::ThemeChangedInternal which is called right before
// we queue the media feature value change for this prefers-reduced-motion
// change.
LookAndFeel::SetShouldRetainCacheForTest(true);
LookAndFeelInt prefersReducedMotion;
prefersReducedMotion.id = LookAndFeel::eIntID_PrefersReducedMotion;
prefersReducedMotion.value = aValue ? 1 : 0;
AutoTArray<LookAndFeelInt, 1> lookAndFeelCache;
lookAndFeelCache.AppendElement(prefersReducedMotion);
// If we could have a way to modify
// NSWorkspace.accessibilityDisplayShouldReduceMotion, we could use it, but
// unfortunately there is no way, so we change the cache value instead as if
// it's set in the parent process.
LookAndFeel::SetIntCache(lookAndFeelCache);
if (nsCocoaFeatures::OnMojaveOrLater() &&
NSWorkspaceAccessibilityDisplayOptionsDidChangeNotification) {
[[[NSWorkspace sharedWorkspace] notificationCenter]
postNotificationName:NSWorkspaceAccessibilityDisplayOptionsDidChangeNotification
object:nil];
} else if (nsCocoaFeatures::OnYosemiteOrLater() &&
NSWorkspaceAccessibilityDisplayOptionsDidChangeNotification) {
[[NSNotificationCenter defaultCenter]
postNotificationName:NSWorkspaceAccessibilityDisplayOptionsDidChangeNotification
object:nil];
} else {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
nsresult nsChildView::ResetPrefersReducedMotionOverrideForTest() {
LookAndFeel::SetShouldRetainCacheForTest(false);
return NS_OK;
}
#ifdef ACCESSIBILITY
already_AddRefed<a11y::Accessible> nsChildView::GetDocumentAccessible() {
if (!mozilla::a11y::ShouldA11yBeEnabled()) return nullptr;
// mAccessible might be dead if accessibility was previously disabled and is
// now being enabled again.
if (mAccessible && mAccessible->IsAlive()) {
RefPtr<a11y::Accessible> ret;
CallQueryReferent(mAccessible.get(), static_cast<a11y::Accessible**>(getter_AddRefs(ret)));
return ret.forget();
}
// need to fetch the accessible anew, because it has gone away.
// cache the accessible in our weak ptr
RefPtr<a11y::Accessible> acc = GetRootAccessible();
mAccessible = do_GetWeakReference(acc.get());
return acc.forget();
}
#endif
// GLPresenter implementation
GLPresenter::GLPresenter(GLContext* aContext) : mGLContext(aContext), mQuadVBO{0} {
mGLContext->MakeCurrent();
ShaderConfigOGL config;
config.SetTextureTarget(LOCAL_GL_TEXTURE_RECTANGLE_ARB);
mRGBARectProgram =
MakeUnique<ShaderProgramOGL>(mGLContext, ProgramProfileOGL::GetProfileFor(config));
// Create mQuadVBO.
mGLContext->fGenBuffers(1, &mQuadVBO);
mGLContext->fBindBuffer(LOCAL_GL_ARRAY_BUFFER, mQuadVBO);
// 1 quad, with the number of the quad (vertexID) encoded in w.
GLfloat vertices[] = {
0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f,
1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f,
};
HeapCopyOfStackArray<GLfloat> verticesOnHeap(vertices);
mGLContext->fBufferData(LOCAL_GL_ARRAY_BUFFER, verticesOnHeap.ByteLength(), verticesOnHeap.Data(),
LOCAL_GL_STATIC_DRAW);
mGLContext->fBindBuffer(LOCAL_GL_ARRAY_BUFFER, 0);
}
GLPresenter::~GLPresenter() {
if (mQuadVBO) {
mGLContext->MakeCurrent();
mGLContext->fDeleteBuffers(1, &mQuadVBO);
mQuadVBO = 0;
}
}
void GLPresenter::BindAndDrawQuad(ShaderProgramOGL* aProgram, const gfx::Rect& aLayerRect,
const gfx::Rect& aTextureRect) {
mGLContext->MakeCurrent();
gfx::Rect layerRects[4];
gfx::Rect textureRects[4];
layerRects[0] = aLayerRect;
textureRects[0] = aTextureRect;
aProgram->SetLayerRects(layerRects);
aProgram->SetTextureRects(textureRects);
const GLuint coordAttribIndex = 0;
mGLContext->fBindBuffer(LOCAL_GL_ARRAY_BUFFER, mQuadVBO);
mGLContext->fVertexAttribPointer(coordAttribIndex, 4, LOCAL_GL_FLOAT, LOCAL_GL_FALSE, 0,
(GLvoid*)0);
mGLContext->fEnableVertexAttribArray(coordAttribIndex);
mGLContext->fDrawArrays(LOCAL_GL_TRIANGLES, 0, 6);
mGLContext->fDisableVertexAttribArray(coordAttribIndex);
}
void GLPresenter::BeginFrame(LayoutDeviceIntSize aRenderSize) {
mGLContext->MakeCurrent();
mGLContext->fViewport(0, 0, aRenderSize.width, aRenderSize.height);
// Matrix to transform (0, 0, width, height) to viewport space (-1.0, 1.0,
// 2, 2) and flip the contents.
gfx::Matrix viewMatrix = gfx::Matrix::Translation(-1.0, 1.0);
viewMatrix.PreScale(2.0f / float(aRenderSize.width), 2.0f / float(aRenderSize.height));
viewMatrix.PreScale(1.0f, -1.0f);
gfx::Matrix4x4 matrix3d = gfx::Matrix4x4::From2D(viewMatrix);
matrix3d._33 = 0.0f;
// set the projection matrix for the next time the program is activated
mProjMatrix = matrix3d;
// Default blend function implements "OVER"
mGLContext->fBlendFuncSeparate(LOCAL_GL_ONE, LOCAL_GL_ONE_MINUS_SRC_ALPHA, LOCAL_GL_ONE,
LOCAL_GL_ONE);
mGLContext->fEnable(LOCAL_GL_BLEND);
mGLContext->fClearColor(0.0, 0.0, 0.0, 0.0);
mGLContext->fClear(LOCAL_GL_COLOR_BUFFER_BIT | LOCAL_GL_DEPTH_BUFFER_BIT);
mGLContext->fEnable(LOCAL_GL_TEXTURE_RECTANGLE_ARB);
}
void GLPresenter::EndFrame() {
mGLContext->SwapBuffers();
mGLContext->fBindBuffer(LOCAL_GL_ARRAY_BUFFER, 0);
}
class WidgetsReleaserRunnable final : public mozilla::Runnable {
public:
explicit WidgetsReleaserRunnable(nsTArray<nsCOMPtr<nsIWidget>>&& aWidgetArray)
: mozilla::Runnable("WidgetsReleaserRunnable"), mWidgetArray(aWidgetArray) {}
// Do nothing; all this runnable does is hold a reference the widgets in
// mWidgetArray, and those references will be dropped when this runnable
// is destroyed.
private:
nsTArray<nsCOMPtr<nsIWidget>> mWidgetArray;
};
#pragma mark -
// ViewRegionContainerView is a view class for certain subviews of ChildView
// which contain the NSViews created for ViewRegions (see ViewRegion.h).
// It doesn't do anything interesting, it only acts as a container so that it's
// easier for ChildView to control the z order of its children.
@interface ViewRegionContainerView : NSView {
}
@end
@implementation ViewRegionContainerView
- (NSView*)hitTest:(NSPoint)aPoint {
return nil; // Be transparent to mouse events.
}
- (BOOL)isFlipped {
return [[self superview] isFlipped];
}
- (BOOL)mouseDownCanMoveWindow {
return [[self superview] mouseDownCanMoveWindow];
}
@end
;
@implementation ChildView
// globalDragPboard is non-null during native drag sessions that did not originate
// in our native NSView (it is set in |draggingEntered:|). It is unset when the
// drag session ends for this view, either with the mouse exiting or when a drop
// occurs in this view.
NSPasteboard* globalDragPboard = nil;
// gLastDragView and gLastDragMouseDownEvent are used to communicate information
// to the drag service during drag invocation (starting a drag in from the view).
// gLastDragView is only non-null while mouseDragged is on the call stack.
NSView* gLastDragView = nil;
NSEvent* gLastDragMouseDownEvent = nil;
+ (void)initialize {
static BOOL initialized = NO;
if (!initialized) {
// Inform the OS about the types of services (from the "Services" menu)
// that we can handle.
NSArray* types = @[
[UTIHelper stringFromPboardType:NSPasteboardTypeString],
[UTIHelper stringFromPboardType:NSPasteboardTypeHTML]
];
[NSApp registerServicesMenuSendTypes:types returnTypes:types];
initialized = YES;
}
}
+ (void)registerViewForDraggedTypes:(NSView*)aView {
[aView
registerForDraggedTypes:
[NSArray
arrayWithObjects:[UTIHelper stringFromPboardType:NSFilenamesPboardType],
[UTIHelper stringFromPboardType:kMozFileUrlsPboardType],
[UTIHelper stringFromPboardType:NSPasteboardTypeString],
[UTIHelper stringFromPboardType:NSPasteboardTypeHTML],
[UTIHelper
stringFromPboardType:(NSString*)kPasteboardTypeFileURLPromise],
[UTIHelper stringFromPboardType:kMozWildcardPboardType],
[UTIHelper stringFromPboardType:kPublicUrlPboardType],
[UTIHelper stringFromPboardType:kPublicUrlNamePboardType],
[UTIHelper stringFromPboardType:kUrlsWithTitlesPboardType], nil]];
}
// initWithFrame:geckoChild:
- (id)initWithFrame:(NSRect)inFrame geckoChild:(nsChildView*)inChild {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
if ((self = [super initWithFrame:inFrame])) {
mGeckoChild = inChild;
mBlockedLastMouseDown = NO;
mExpectingWheelStop = NO;
mLastMouseDownEvent = nil;
mLastKeyDownEvent = nil;
mClickThroughMouseDownEvent = nil;
mDragService = nullptr;
mGestureState = eGestureState_None;
mCumulativeMagnification = 0.0;
mCumulativeRotation = 0.0;
mNeedsGLUpdate = NO;
[self setFocusRingType:NSFocusRingTypeNone];
#ifdef __LP64__
mCancelSwipeAnimation = nil;
#endif
mNonDraggableViewsContainer = [[ViewRegionContainerView alloc] initWithFrame:[self bounds]];
mVibrancyViewsContainer = [[ViewRegionContainerView alloc] initWithFrame:[self bounds]];
[mNonDraggableViewsContainer setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];
[mVibrancyViewsContainer setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];
[self addSubview:mNonDraggableViewsContainer];
[self addSubview:mVibrancyViewsContainer];
mPixelHostingView = [[PixelHostingView alloc] initWithFrame:[self bounds]];
[mPixelHostingView setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];
[self addSubview:mPixelHostingView];
mTopLeftCornerMask = NULL;
mLastPressureStage = 0;
}
// register for things we'll take from other applications
[ChildView registerViewForDraggedTypes:self];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(systemMetricsChanged)
name:NSControlTintDidChangeNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(systemMetricsChanged)
name:NSSystemColorsDidChangeNotification
object:nil];
if (nsCocoaFeatures::OnMojaveOrLater() &&
NSWorkspaceAccessibilityDisplayOptionsDidChangeNotification) {
[[[NSWorkspace sharedWorkspace] notificationCenter]
addObserver:self
selector:@selector(systemMetricsChanged)
name:NSWorkspaceAccessibilityDisplayOptionsDidChangeNotification
object:nil];
} else if (nsCocoaFeatures::OnYosemiteOrLater() &&
NSWorkspaceAccessibilityDisplayOptionsDidChangeNotification) {
[[NSNotificationCenter defaultCenter]
addObserver:self
selector:@selector(systemMetricsChanged)
name:NSWorkspaceAccessibilityDisplayOptionsDidChangeNotification
object:nil];
}
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(scrollbarSystemMetricChanged)
name:NSPreferredScrollerStyleDidChangeNotification
object:nil];
[[NSDistributedNotificationCenter defaultCenter]
addObserver:self
selector:@selector(systemMetricsChanged)
name:@"AppleAquaScrollBarVariantChanged"
object:nil
suspensionBehavior:NSNotificationSuspensionBehaviorDeliverImmediately];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(_surfaceNeedsUpdate:)
name:NSViewGlobalFrameDidChangeNotification
object:mPixelHostingView];
[[NSDistributedNotificationCenter defaultCenter]
addObserver:self
selector:@selector(systemMetricsChanged)
name:@"AppleInterfaceThemeChangedNotification"
object:nil
suspensionBehavior:NSNotificationSuspensionBehaviorDeliverImmediately];
return self;
NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
}
// ComplexTextInputPanel's interpretKeyEvent hack won't work without this.
// It makes calls to +[NSTextInputContext currentContext], deep in system
// code, return the appropriate context.
- (NSTextInputContext*)inputContext {
NSTextInputContext* pluginContext = NULL;
if (mGeckoChild && mGeckoChild->IsPluginFocused()) {
ComplexTextInputPanel* ctiPanel = ComplexTextInputPanel::GetSharedComplexTextInputPanel();
if (ctiPanel) {
pluginContext = (NSTextInputContext*)ctiPanel->GetInputContext();
}
}
if (pluginContext) {
return pluginContext;
} else {
if (!mGeckoChild) {
// -[ChildView widgetDestroyed] has been called, but
// -[ChildView delayedTearDown] has not yet completed. Accessing
// [super inputContext] now would uselessly recreate a text input context
// for us, under which -[ChildView validAttributesForMarkedText] would
// be called and the assertion checking for mTextInputHandler would fail.
// We return nil to avoid that.
return nil;
}
return [super inputContext];
}
}
- (void)installTextInputHandler:(TextInputHandler*)aHandler {
mTextInputHandler = aHandler;
}
- (void)uninstallTextInputHandler {
mTextInputHandler = nullptr;
}
- (bool)preRender:(NSOpenGLContext*)aGLContext {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
if (![self window] || ([[self window] isKindOfClass:[BaseWindow class]] &&
![(BaseWindow*)[self window] isVisibleOrBeingShown] &&
![(BaseWindow*)[self window] isMiniaturized])) {
// Before the window is shown, our GL context's front FBO is not
// framebuffer complete, so we refuse to render.
return false;
}
if (!mGLContext) {
mGLContext = aGLContext;
[mGLContext retain];
mNeedsGLUpdate = true;
}
CGLLockContext((CGLContextObj)[aGLContext CGLContextObj]);
if (mNeedsGLUpdate) {
[self updateGLContext];
mNeedsGLUpdate = NO;
}
return true;
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(false);
}
- (void)postRender:(NSOpenGLContext*)aGLContext {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
CGLUnlockContext((CGLContextObj)[aGLContext CGLContextObj]);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (NSView*)vibrancyViewsContainer {
return mVibrancyViewsContainer;
}
- (NSView*)nonDraggableViewsContainer {
return mNonDraggableViewsContainer;
}
- (NSView*)pixelHostingView {
return mPixelHostingView;
}
- (void)dealloc {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
[mGLContext release];
[mLastMouseDownEvent release];
[mLastKeyDownEvent release];
[mClickThroughMouseDownEvent release];
CGImageRelease(mTopLeftCornerMask);
ChildViewMouseTracker::OnDestroyView(self);
[[NSNotificationCenter defaultCenter] removeObserver:self];
[[NSDistributedNotificationCenter defaultCenter] removeObserver:self];
[mVibrancyViewsContainer removeFromSuperview];
[mVibrancyViewsContainer release];
[mNonDraggableViewsContainer removeFromSuperview];
[mNonDraggableViewsContainer release];
[mPixelHostingView removeFromSuperview];
[mPixelHostingView release];
[super dealloc];
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)widgetDestroyed {
if (mTextInputHandler) {
mTextInputHandler->OnDestroyWidget(mGeckoChild);
mTextInputHandler = nullptr;
}
mGeckoChild = nullptr;
// Just in case we're destroyed abruptly and missed the draggingExited
// or performDragOperation message.
NS_IF_RELEASE(mDragService);
}
// mozView method, return our gecko child view widget. Note this does not AddRef.
- (nsIWidget*)widget {
return static_cast<nsIWidget*>(mGeckoChild);
}
- (void)systemMetricsChanged {
if (mGeckoChild) mGeckoChild->NotifyThemeChanged();
}
- (void)scrollbarSystemMetricChanged {
[self systemMetricsChanged];
if (mGeckoChild) {
nsIWidgetListener* listener = mGeckoChild->GetWidgetListener();
if (listener) {
nsIPresShell* presShell = listener->GetPresShell();
if (presShell) {
presShell->ReconstructFrames();
}
}
}
}
- (NSString*)description {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
return [NSString stringWithFormat:@"ChildView %p, gecko child %p, frame %@", self, mGeckoChild,
NSStringFromRect([self frame])];
NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
}
// Make the origin of this view the topLeft corner (gecko origin) rather
// than the bottomLeft corner (standard cocoa origin).
- (BOOL)isFlipped {
return YES;
}
// We accept key and mouse events, so don't keep passing them up the chain. Allow
// this to be a 'focused' widget for event dispatch.
- (BOOL)acceptsFirstResponder {
return YES;
}
// Accept mouse down events on background windows
- (BOOL)acceptsFirstMouse:(NSEvent*)aEvent {
if (![[self window] isKindOfClass:[PopupWindow class]]) {
// We rely on this function to tell us that the mousedown was on a
// background window. Inside mouseDown we can't tell whether we were
// inactive because at that point we've already been made active.
// Unfortunately, acceptsFirstMouse is called for PopupWindows even when
// their parent window is active, so ignore this on them for now.
mClickThroughMouseDownEvent = [aEvent retain];
}
return YES;
}
- (BOOL)mouseDownCanMoveWindow {
// Return YES so that parts of this view can be draggable. The non-draggable
// parts will be covered by NSViews that return NO from
// mouseDownCanMoveWindow and thus override draggability from the inside.
// These views are assembled in nsChildView::UpdateWindowDraggingRegion.
return YES;
}
- (void)updateGLContext {
[mGLContext setView:mPixelHostingView];
[mGLContext update];
}
- (void)_surfaceNeedsUpdate:(NSNotification*)notification {
if (mGLContext) {
CGLLockContext((CGLContextObj)[mGLContext CGLContextObj]);
mNeedsGLUpdate = YES;
CGLUnlockContext((CGLContextObj)[mGLContext CGLContextObj]);
}
}
- (void)viewDidChangeBackingProperties {
[super viewDidChangeBackingProperties];
if (mGeckoChild) {
// actually, it could be the color space that's changed,
// but we can't tell the difference here except by retrieving
// the backing scale factor and comparing to the old value
mGeckoChild->BackingScaleFactorChanged();
}
}
- (BOOL)isCoveringTitlebar {
return [[self window] isKindOfClass:[BaseWindow class]] &&
[(BaseWindow*)[self window] mainChildView] == self &&
[(BaseWindow*)[self window] drawsContentsIntoWindowFrame];
}
- (void)viewWillStartLiveResize {
nsCocoaWindow* windowWidget = mGeckoChild ? mGeckoChild->GetXULWindowWidget() : nullptr;
if (windowWidget) {
windowWidget->NotifyLiveResizeStarted();
}
}
- (void)viewDidEndLiveResize {
// mGeckoChild may legitimately be null here. It should also have been null
// in viewWillStartLiveResize, so there's no problem. However if we run into
// cases where the windowWidget was non-null in viewWillStartLiveResize but
// is null here, that might be problematic because we might get stuck with
// a content process that has the displayport suppressed. If that scenario
// arises (I'm not sure that it does) we will need to handle it gracefully.
nsCocoaWindow* windowWidget = mGeckoChild ? mGeckoChild->GetXULWindowWidget() : nullptr;
if (windowWidget) {
windowWidget->NotifyLiveResizeStopped();
}
}
- (NSColor*)vibrancyFillColorForThemeGeometryType:(nsITheme::ThemeGeometryType)aThemeGeometryType {
if (!mGeckoChild) {
return [NSColor whiteColor];
}
return mGeckoChild->VibrancyFillColorForThemeGeometryType(aThemeGeometryType);
}
- (LayoutDeviceIntRegion)nativeDirtyRegionWithBoundingRect:(NSRect)aRect {
LayoutDeviceIntRect boundingRect = mGeckoChild->CocoaPointsToDevPixels(aRect);
const NSRect* rects;
NSInteger count;
[mPixelHostingView getRectsBeingDrawn:&rects count:&count];
if (count > MAX_RECTS_IN_REGION) {
return boundingRect;
}
LayoutDeviceIntRegion region;
for (NSInteger i = 0; i < count; ++i) {
region.Or(region, mGeckoChild->CocoaPointsToDevPixels(rects[i]));
}
region.And(region, boundingRect);
return region;
}
// The display system has told us that a portion of our view is dirty. Tell
// gecko to paint it
// This method is called from mPixelHostingView's drawRect handler.
- (void)doDrawRect:(NSRect)aRect {
if (!NS_IsMainThread()) {
// In the presence of CoreAnimation, this method can sometimes be called on
// a non-main thread. Ignore those calls because Gecko can only react to
// them on the main thread.
return;
}
if (!mGeckoChild || !mGeckoChild->IsVisible()) return;
CGContextRef cgContext = (CGContextRef)[[NSGraphicsContext currentContext] graphicsPort];
if ([self isUsingOpenGL]) {
// Force a sync OMTC composite into the OpenGL context and return.
LayoutDeviceIntRect geckoBounds = mGeckoChild->GetBounds();
LayoutDeviceIntRegion region(geckoBounds);
mGeckoChild->PaintWindow(region);
return;
}
AUTO_PROFILER_LABEL("ChildView::drawRect", OTHER);
// The CGContext that drawRect supplies us with comes with a transform that
// scales one user space unit to one Cocoa point, which can consist of
// multiple dev pixels. But Gecko expects its supplied context to be scaled
// to device pixels, so we need to reverse the scaling.
double scale = mGeckoChild->BackingScaleFactor();
CGContextSaveGState(cgContext);
CGContextScaleCTM(cgContext, 1.0 / scale, 1.0 / scale);
NSSize viewSize = [self bounds].size;
gfx::IntSize backingSize =
gfx::IntSize::Truncate(viewSize.width * scale, viewSize.height * scale);
LayoutDeviceIntRegion region = [self nativeDirtyRegionWithBoundingRect:aRect];
bool painted = mGeckoChild->PaintWindowInContext(cgContext, region, backingSize);
// Undo the scale transform so that from now on the context is in
// CocoaPoints again.
CGContextRestoreGState(cgContext);
if (!painted && [mPixelHostingView isOpaque]) {
// Gecko refused to draw, but we've claimed to be opaque, so we have to
// draw something--fill with white.
CGContextSetRGBFillColor(cgContext, 1, 1, 1, 1);
CGContextFillRect(cgContext, NSRectToCGRect(aRect));
}
if ([self isCoveringTitlebar]) {
[self drawTitleString];
[self maskTopCornersInContext:cgContext];
}
}
- (BOOL)isUsingOpenGL {
if (!mGeckoChild || ![self window]) return NO;
return mGLContext || mUsingOMTCompositor;
}
- (BOOL)hasRoundedBottomCorners {
return [[self window] respondsToSelector:@selector(bottomCornerRounded)] &&
[[self window] bottomCornerRounded];
}
- (CGFloat)cornerRadius {
NSView* frameView = [[[self window] contentView] superview];
if (!frameView || ![frameView respondsToSelector:@selector(roundedCornerRadius)]) return 4.0f;
return [frameView roundedCornerRadius];
}
- (void)setGLOpaque:(BOOL)aOpaque {
CGLLockContext((CGLContextObj)[mGLContext CGLContextObj]);
// Make the context opaque for fullscreen (since it performs better), and transparent
// for windowed (since we need it for rounded corners), but allow overriding
// it to opaque for testing purposes, even if that breaks the rounded corners.
GLint opaque = aOpaque || gfxPrefs::CompositorGLContextOpaque();
[mGLContext setValues:&opaque forParameter:NSOpenGLCPSurfaceOpacity];
CGLUnlockContext((CGLContextObj)[mGLContext CGLContextObj]);
}
// This is the analog of nsChildView::MaybeDrawRoundedCorners for CGContexts.
// We only need to mask the top corners here because Cocoa does the masking
// for the window's bottom corners automatically (starting with 10.7).
- (void)maskTopCornersInContext:(CGContextRef)aContext {
CGFloat radius = [self cornerRadius];
int32_t devPixelCornerRadius = mGeckoChild->CocoaPointsToDevPixels(radius);
// First make sure that mTopLeftCornerMask is set up.
if (!mTopLeftCornerMask || int32_t(CGImageGetWidth(mTopLeftCornerMask)) != devPixelCornerRadius) {
CGImageRelease(mTopLeftCornerMask);
CGColorSpaceRef rgb = CGColorSpaceCreateDeviceRGB();
CGContextRef imgCtx =
CGBitmapContextCreate(NULL, devPixelCornerRadius, devPixelCornerRadius, 8,
devPixelCornerRadius * 4, rgb, kCGImageAlphaPremultipliedFirst);
CGColorSpaceRelease(rgb);
DrawTopLeftCornerMask(imgCtx, devPixelCornerRadius);
mTopLeftCornerMask = CGBitmapContextCreateImage(imgCtx);
CGContextRelease(imgCtx);
}
// kCGBlendModeDestinationIn is the secret sauce which allows us to erase
// already painted pixels. It's defined as R = D * Sa: multiply all channels
// of the destination pixel with the alpha of the source pixel. In our case,
// the source is mTopLeftCornerMask.
CGContextSaveGState(aContext);
CGContextSetBlendMode(aContext, kCGBlendModeDestinationIn);
CGRect destRect = CGRectMake(0, 0, radius, radius);
// Erase the top left corner...
CGContextDrawImage(aContext, destRect, mTopLeftCornerMask);
// ... and the top right corner.
CGContextTranslateCTM(aContext, [self bounds].size.width, 0);
CGContextScaleCTM(aContext, -1, 1);
CGContextDrawImage(aContext, destRect, mTopLeftCornerMask);
CGContextRestoreGState(aContext);
}
- (void)drawTitleString {
BaseWindow* window = (BaseWindow*)[self window];
if (![window wantsTitleDrawn]) {
return;
}
NSView* frameView = [[window contentView] superview];
if (![frameView respondsToSelector:@selector(_drawTitleBar:)]) {
return;
}
NSGraphicsContext* oldContext = [NSGraphicsContext currentContext];
CGContextRef ctx = (CGContextRef)[oldContext graphicsPort];
CGContextSaveGState(ctx);
if ([oldContext isFlipped] != [frameView isFlipped]) {
CGContextTranslateCTM(ctx, 0, [self bounds].size.height);
CGContextScaleCTM(ctx, 1, -1);
}
[NSGraphicsContext
setCurrentContext:[NSGraphicsContext graphicsContextWithGraphicsPort:ctx
flipped:[frameView isFlipped]]];
[frameView _drawTitleBar:[frameView bounds]];
CGContextRestoreGState(ctx);
[NSGraphicsContext setCurrentContext:oldContext];
}
- (void)viewWillDraw {
if (!NS_IsMainThread()) {
// In the presence of CoreAnimation, this method can sometimes be called on
// a non-main thread. Ignore those calls because Gecko can only react to
// them on the main thread.
return;
}
nsAutoRetainCocoaObject kungFuDeathGrip(self);
if (mGeckoChild) {
// The OS normally *will* draw our NSWindow, no matter what we do here.
// But Gecko can delete our parent widget(s) (along with mGeckoChild)
// while processing a paint request, which closes our NSWindow and
// makes the OS throw an NSInternalInconsistencyException assertion when
// it tries to draw it. Sometimes the OS also aborts the browser process.
// So we need to retain our parent(s) here and not release it/them until
// the next time through the main thread's run loop. When we do this we
// also need to retain and release mGeckoChild, which holds a strong
// reference to us. See bug 550392.
nsIWidget* parent = mGeckoChild->GetParent();
if (parent) {
nsTArray<nsCOMPtr<nsIWidget>> widgetArray;
while (parent) {
widgetArray.AppendElement(parent);
parent = parent->GetParent();
}
widgetArray.AppendElement(mGeckoChild);
nsCOMPtr<nsIRunnable> releaserRunnable = new WidgetsReleaserRunnable(std::move(widgetArray));
NS_DispatchToMainThread(releaserRunnable);
}
if ([self isUsingOpenGL]) {
if (ShadowLayerForwarder* slf = mGeckoChild->GetLayerManager()->AsShadowForwarder()) {
slf->WindowOverlayChanged();
} else if (WebRenderLayerManager* wrlm =
mGeckoChild->GetLayerManager()->AsWebRenderLayerManager()) {
wrlm->WindowOverlayChanged();
}
}
mGeckoChild->WillPaintWindow();
}
[super viewWillDraw];
}
#if USE_CLICK_HOLD_CONTEXTMENU
//
// -clickHoldCallback:
//
// called from a timer two seconds after a mouse down to see if we should display
// a context menu (click-hold). |anEvent| is the original mouseDown event. If we're
// still in that mouseDown by this time, put up the context menu, otherwise just
// fuhgeddaboutit. |anEvent| has been retained by the OS until after this callback
// fires so we're ok there.
//
// This code currently messes in a bunch of edge cases (bugs 234751, 232964, 232314)
// so removing it until we get it straightened out.
//
- (void)clickHoldCallback:(id)theEvent;
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (theEvent == [NSApp currentEvent]) {
// we're still in the middle of the same mousedown event here, activate
// click-hold context menu by triggering the right mouseDown action.
NSEvent* clickHoldEvent = [NSEvent mouseEventWithType:NSRightMouseDown
location:[theEvent locationInWindow]
modifierFlags:[theEvent modifierFlags]
timestamp:[theEvent timestamp]
windowNumber:[theEvent windowNumber]
context:[theEvent context]
eventNumber:[theEvent eventNumber]
clickCount:[theEvent clickCount]
pressure:[theEvent pressure]];
[self rightMouseDown:clickHoldEvent];
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
#endif
// If we've just created a non-native context menu, we need to mark it as
// such and let the OS (and other programs) know when it opens and closes
// (this is how the OS knows to close other programs' context menus when
// ours open). We send the initial notification here, but others are sent
// in nsCocoaWindow::Show().
- (void)maybeInitContextMenuTracking {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
#ifdef MOZ_USE_NATIVE_POPUP_WINDOWS
return;
#endif /* MOZ_USE_NATIVE_POPUP_WINDOWS */
nsIRollupListener* rollupListener = nsBaseWidget::GetActiveRollupListener();
NS_ENSURE_TRUE_VOID(rollupListener);
nsCOMPtr<nsIWidget> widget = rollupListener->GetRollupWidget();
NS_ENSURE_TRUE_VOID(widget);
NSWindow* popupWindow = (NSWindow*)widget->GetNativeData(NS_NATIVE_WINDOW);
if (!popupWindow || ![popupWindow isKindOfClass:[PopupWindow class]]) return;
[[NSDistributedNotificationCenter defaultCenter]
postNotificationName:@"com.apple.HIToolbox.beginMenuTrackingNotification"
object:@"org.mozilla.gecko.PopupWindow"];
[(PopupWindow*)popupWindow setIsContextMenu:YES];
NS_OBJC_END_TRY_ABORT_BLOCK;
}
// Returns true if the event should no longer be processed, false otherwise.
// This does not return whether or not anything was rolled up.
- (BOOL)maybeRollup:(NSEvent*)theEvent {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
BOOL consumeEvent = NO;
nsIRollupListener* rollupListener = nsBaseWidget::GetActiveRollupListener();
NS_ENSURE_TRUE(rollupListener, false);
nsCOMPtr<nsIWidget> rollupWidget = rollupListener->GetRollupWidget();
if (rollupWidget) {
NSWindow* currentPopup = static_cast<NSWindow*>(rollupWidget->GetNativeData(NS_NATIVE_WINDOW));
if (!nsCocoaUtils::IsEventOverWindow(theEvent, currentPopup)) {
// event is not over the rollup window, default is to roll up
bool shouldRollup = true;
// check to see if scroll events should roll up the popup
if ([theEvent type] == NSScrollWheel) {
shouldRollup = rollupListener->ShouldRollupOnMouseWheelEvent();
// consume scroll events that aren't over the popup
// unless the popup is an arrow panel
consumeEvent = rollupListener->ShouldConsumeOnMouseWheelEvent();
}
// if we're dealing with menus, we probably have submenus and
// we don't want to rollup if the click is in a parent menu of
// the current submenu
uint32_t popupsToRollup = UINT32_MAX;
AutoTArray<nsIWidget*, 5> widgetChain;
uint32_t sameTypeCount = rollupListener->GetSubmenuWidgetChain(&widgetChain);
for (uint32_t i = 0; i < widgetChain.Length(); i++) {
nsIWidget* widget = widgetChain[i];
NSWindow* currWindow = (NSWindow*)widget->GetNativeData(NS_NATIVE_WINDOW);
if (nsCocoaUtils::IsEventOverWindow(theEvent, currWindow)) {
// don't roll up if the mouse event occurred within a menu of the
// same type. If the mouse event occurred in a menu higher than
// that, roll up, but pass the number of popups to Rollup so
// that only those of the same type close up.
if (i < sameTypeCount) {
shouldRollup = false;
} else {
popupsToRollup = sameTypeCount;
}
break;
}
}
if (shouldRollup) {
if ([theEvent type] == NSLeftMouseDown) {
NSPoint point = [NSEvent mouseLocation];
FlipCocoaScreenCoordinate(point);
LayoutDeviceIntPoint devPoint = mGeckoChild->CocoaPointsToDevPixels(point);
gfx::IntPoint pos = devPoint.ToUnknownPoint();
consumeEvent = (BOOL)rollupListener->Rollup(popupsToRollup, true, &pos, nullptr);
} else {
consumeEvent = (BOOL)rollupListener->Rollup(popupsToRollup, true, nullptr, nullptr);
}
}
}
}
return consumeEvent;
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(NO);
}
- (void)swipeWithEvent:(NSEvent*)anEvent {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (!anEvent || !mGeckoChild) {
return;
}
nsAutoRetainCocoaObject kungFuDeathGrip(self);
float deltaX = [anEvent deltaX]; // left=1.0, right=-1.0
float deltaY = [anEvent deltaY]; // up=1.0, down=-1.0
// Setup the "swipe" event.
WidgetSimpleGestureEvent geckoEvent(true, eSwipeGesture, mGeckoChild);
[self convertCocoaMouseEvent:anEvent toGeckoEvent:&geckoEvent];
// Record the left/right direction.
if (deltaX > 0.0)
geckoEvent.mDirection |= dom::SimpleGestureEvent_Binding::DIRECTION_LEFT;
else if (deltaX < 0.0)
geckoEvent.mDirection |= dom::SimpleGestureEvent_Binding::DIRECTION_RIGHT;
// Record the up/down direction.
if (deltaY > 0.0)
geckoEvent.mDirection |= dom::SimpleGestureEvent_Binding::DIRECTION_UP;
else if (deltaY < 0.0)
geckoEvent.mDirection |= dom::SimpleGestureEvent_Binding::DIRECTION_DOWN;
// Send the event.
mGeckoChild->DispatchWindowEvent(geckoEvent);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
// Pinch zoom gesture.
- (void)magnifyWithEvent:(NSEvent*)anEvent {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (!mGeckoChild) {
return;
}
if (gfxPrefs::APZAllowZooming()) {
NSPoint locationInWindow = nsCocoaUtils::EventLocationForWindow(anEvent, [self window]);
ScreenPoint position =
ViewAs<ScreenPixel>([self convertWindowCoordinatesRoundDown:locationInWindow],
PixelCastJustification::LayoutDeviceIsScreenForUntransformedEvent);
ExternalPoint screenOffset =
ViewAs<ExternalPixel>(mGeckoChild->WidgetToScreenOffset(),
PixelCastJustification::LayoutDeviceIsScreenForUntransformedEvent);
PRIntervalTime eventIntervalTime = PR_IntervalNow();
TimeStamp eventTimeStamp = nsCocoaUtils::GetEventTimeStamp([anEvent timestamp]);
NSEventPhase eventPhase = [anEvent phase];
PinchGestureInput::PinchGestureType pinchGestureType;
switch (eventPhase) {
case NSEventPhaseBegan: {
pinchGestureType = PinchGestureInput::PINCHGESTURE_START;
break;
}
case NSEventPhaseChanged: {
pinchGestureType = PinchGestureInput::PINCHGESTURE_SCALE;
break;
}
case NSEventPhaseEnded: {
pinchGestureType = PinchGestureInput::PINCHGESTURE_END;
break;
}
default: {
NS_WARNING("Unexpected phase for pinch gesture event.");
return;
}
}
PinchGestureInput event{pinchGestureType,
eventIntervalTime,
eventTimeStamp,
screenOffset,
position,
100.0,
100.0 * (1.0 - [anEvent magnification]),
nsCocoaUtils::ModifiersForEvent(anEvent)};
if (pinchGestureType == PinchGestureInput::PINCHGESTURE_END) {
event.mFocusPoint = PinchGestureInput::BothFingersLifted<ScreenPixel>();
}
mGeckoChild->DispatchAPZInputEvent(event);
} else {
if (!anEvent || [self beginOrEndGestureForEventPhase:anEvent]) {
return;
}
nsAutoRetainCocoaObject kungFuDeathGrip(self);
float deltaZ = [anEvent deltaZ];
EventMessage msg;
switch (mGestureState) {
case eGestureState_StartGesture:
msg = eMagnifyGestureStart;
mGestureState = eGestureState_MagnifyGesture;
break;
case eGestureState_MagnifyGesture:
msg = eMagnifyGestureUpdate;
break;
case eGestureState_None:
case eGestureState_RotateGesture:
default:
return;
}
// This sends the pinch gesture value as a fake wheel event that has the
// control key pressed so that pages can implement custom pinch gesture
// handling. It may seem strange that this doesn't use a wheel event with
// the deltaZ property set, but this matches Chrome's behavior as described
// at https://code.google.com/p/chromium/issues/detail?id=289887
//
// The intent of the formula below is to produce numbers similar to Chrome's
// implementation of this feature. Chrome implements deltaY using the formula
// "-100 * log(1 + [event magnification])" which is unfortunately incorrect.
// All deltas for a single pinch gesture should sum to 0 if the start and end
// of a pinch gesture end up in the same place. This doesn't happen in Chrome
// because they followed Apple's misleading documentation, which implies that
// "1 + [event magnification]" is the scale factor. The scale factor is
// instead "pow(ratio, [event magnification])" so "[event magnification]" is
// already in log space.
//
// The multiplication by the backing scale factor below counteracts the
// division by the backing scale factor in WheelEvent.
WidgetWheelEvent geckoWheelEvent(true, EventMessage::eWheel, mGeckoChild);
[self convertCocoaMouseEvent:anEvent toGeckoEvent:&geckoWheelEvent];
double backingScale = mGeckoChild->BackingScaleFactor();
geckoWheelEvent.mDeltaY = -100.0 * [anEvent magnification] * backingScale;
geckoWheelEvent.mModifiers |= MODIFIER_CONTROL;
mGeckoChild->DispatchWindowEvent(geckoWheelEvent);
// If the fake wheel event wasn't stopped, then send a normal magnify event.
if (!geckoWheelEvent.mFlags.mDefaultPrevented) {
WidgetSimpleGestureEvent geckoEvent(true, msg, mGeckoChild);
geckoEvent.mDelta = deltaZ;
[self convertCocoaMouseEvent:anEvent toGeckoEvent:&geckoEvent];
mGeckoChild->DispatchWindowEvent(geckoEvent);
// Keep track of the cumulative magnification for the final "magnify" event.
mCumulativeMagnification += deltaZ;
}
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
// Smart zoom gesture, i.e. two-finger double tap on trackpads.
- (void)smartMagnifyWithEvent:(NSEvent*)anEvent {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (!anEvent || !mGeckoChild || [self beginOrEndGestureForEventPhase:anEvent]) {
return;
}
nsAutoRetainCocoaObject kungFuDeathGrip(self);
// Setup the "double tap" event.
WidgetSimpleGestureEvent geckoEvent(true, eTapGesture, mGeckoChild);
[self convertCocoaMouseEvent:anEvent toGeckoEvent:&geckoEvent];
geckoEvent.mClickCount = 1;
// Send the event.
mGeckoChild->DispatchWindowEvent(geckoEvent);
// Clear the gesture state
mGestureState = eGestureState_None;
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)rotateWithEvent:(NSEvent*)anEvent {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (!anEvent || !mGeckoChild || [self beginOrEndGestureForEventPhase:anEvent]) {
return;
}
nsAutoRetainCocoaObject kungFuDeathGrip(self);
float rotation = [anEvent rotation];
EventMessage msg;
switch (mGestureState) {
case eGestureState_StartGesture:
msg = eRotateGestureStart;
mGestureState = eGestureState_RotateGesture;
break;
case eGestureState_RotateGesture:
msg = eRotateGestureUpdate;
break;
case eGestureState_None:
case eGestureState_MagnifyGesture:
default:
return;
}
// Setup the event.
WidgetSimpleGestureEvent geckoEvent(true, msg, mGeckoChild);
[self convertCocoaMouseEvent:anEvent toGeckoEvent:&geckoEvent];
geckoEvent.mDelta = -rotation;
if (rotation > 0.0) {
geckoEvent.mDirection = dom::SimpleGestureEvent_Binding::ROTATION_COUNTERCLOCKWISE;
} else {
geckoEvent.mDirection = dom::SimpleGestureEvent_Binding::ROTATION_CLOCKWISE;
}
// Send the event.
mGeckoChild->DispatchWindowEvent(geckoEvent);
// Keep track of the cumulative rotation for the final "rotate" event.
mCumulativeRotation += rotation;
NS_OBJC_END_TRY_ABORT_BLOCK;
}
// `beginGestureWithEvent` and `endGestureWithEvent` are not called for
// applications that link against the macOS 10.11 or later SDK when we're
// running on macOS 10.11 or later. For compatibility with all supported macOS
// versions, we have to call {begin,end}GestureWithEvent ourselves based on
// the event phase when we're handling gestures.
- (bool)beginOrEndGestureForEventPhase:(NSEvent*)aEvent {
if (!aEvent) {
return false;
}
bool usingElCapitanOrLaterSDK = true;
#if !defined(MAC_OS_X_VERSION_10_11) || MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_11
usingElCapitanOrLaterSDK = false;
#endif
if (nsCocoaFeatures::OnElCapitanOrLater() && usingElCapitanOrLaterSDK) {
if (aEvent.phase == NSEventPhaseBegan) {
[self beginGestureWithEvent:aEvent];
return true;
}
if (aEvent.phase == NSEventPhaseEnded || aEvent.phase == NSEventPhaseCancelled) {
[self endGestureWithEvent:aEvent];
return true;
}
}
return false;
}
- (void)beginGestureWithEvent:(NSEvent*)aEvent {
if (!aEvent) {
return;
}
mGestureState = eGestureState_StartGesture;
mCumulativeMagnification = 0;
mCumulativeRotation = 0.0;
}
- (void)endGestureWithEvent:(NSEvent*)anEvent {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (!anEvent || !mGeckoChild) {
// Clear the gestures state if we cannot send an event.
mGestureState = eGestureState_None;
mCumulativeMagnification = 0.0;
mCumulativeRotation = 0.0;
return;
}
nsAutoRetainCocoaObject kungFuDeathGrip(self);
switch (mGestureState) {
case eGestureState_MagnifyGesture: {
// Setup the "magnify" event.
WidgetSimpleGestureEvent geckoEvent(true, eMagnifyGesture, mGeckoChild);
geckoEvent.mDelta = mCumulativeMagnification;
[self convertCocoaMouseEvent:anEvent toGeckoEvent:&geckoEvent];
// Send the event.
mGeckoChild->DispatchWindowEvent(geckoEvent);
} break;
case eGestureState_RotateGesture: {
// Setup the "rotate" event.
WidgetSimpleGestureEvent geckoEvent(true, eRotateGesture, mGeckoChild);
[self convertCocoaMouseEvent:anEvent toGeckoEvent:&geckoEvent];
geckoEvent.mDelta = -mCumulativeRotation;
if (mCumulativeRotation > 0.0) {
geckoEvent.mDirection = dom::SimpleGestureEvent_Binding::ROTATION_COUNTERCLOCKWISE;
} else {
geckoEvent.mDirection = dom::SimpleGestureEvent_Binding::ROTATION_CLOCKWISE;
}
// Send the event.
mGeckoChild->DispatchWindowEvent(geckoEvent);
} break;
case eGestureState_None:
case eGestureState_StartGesture:
default:
break;
}
// Clear the gestures state.
mGestureState = eGestureState_None;
mCumulativeMagnification = 0.0;
mCumulativeRotation = 0.0;
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (bool)shouldConsiderStartingSwipeFromEvent:(NSEvent*)anEvent {
// This method checks whether the AppleEnableSwipeNavigateWithScrolls global
// preference is set. If it isn't, fluid swipe tracking is disabled, and a
// horizontal two-finger gesture is always a scroll (even in Safari). This
// preference can't (currently) be set from the Preferences UI -- only using
// 'defaults write'.
if (![NSEvent isSwipeTrackingFromScrollEventsEnabled]) {
return false;
}
// Only initiate horizontal tracking for gestures that have just begun --
// otherwise a scroll to one side of the page can have a swipe tacked on
// to it.
NSEventPhase eventPhase = nsCocoaUtils::EventPhase(anEvent);
if ([anEvent type] != NSScrollWheel || eventPhase != NSEventPhaseBegan ||
![anEvent hasPreciseScrollingDeltas]) {
return false;
}
// Only initiate horizontal tracking for events whose horizontal element is
// at least eight times larger than its vertical element. This minimizes
// performance problems with vertical scrolls (by minimizing the possibility
// that they'll be misinterpreted as horizontal swipes), while still
// tolerating a small vertical element to a true horizontal swipe. The number
// '8' was arrived at by trial and error.
CGFloat deltaX = [anEvent scrollingDeltaX];
CGFloat deltaY = [anEvent scrollingDeltaY];
return std::abs(deltaX) > std::abs(deltaY) * 8;
}
- (void)setUsingOMTCompositor:(BOOL)aUseOMTC {
mUsingOMTCompositor = aUseOMTC;
}
// Returning NO from this method only disallows ordering on mousedown - in order
// to prevent it for mouseup too, we need to call [NSApp preventWindowOrdering]
// when handling the mousedown event.
- (BOOL)shouldDelayWindowOrderingForEvent:(NSEvent*)aEvent {
// Always using system-provided window ordering for normal windows.
if (![[self window] isKindOfClass:[PopupWindow class]]) return NO;
// Don't reorder when we don't have a parent window, like when we're a
// context menu or a tooltip.
return ![[self window] parentWindow];
}
- (void)mouseDown:(NSEvent*)theEvent {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if ([self shouldDelayWindowOrderingForEvent:theEvent]) {
[NSApp preventWindowOrdering];
}
// If we've already seen this event due to direct dispatch from menuForEvent:
// just bail; if not, remember it.
if (mLastMouseDownEvent == theEvent) {
[mLastMouseDownEvent release];
mLastMouseDownEvent = nil;
return;
} else {
[mLastMouseDownEvent release];
mLastMouseDownEvent = [theEvent retain];
}
[gLastDragMouseDownEvent release];
gLastDragMouseDownEvent = [theEvent retain];
// We need isClickThrough because at this point the window we're in might
// already have become main, so the check for isMainWindow in
// WindowAcceptsEvent isn't enough. It also has to check isClickThrough.
BOOL isClickThrough = (theEvent == mClickThroughMouseDownEvent);
[mClickThroughMouseDownEvent release];
mClickThroughMouseDownEvent = nil;
nsAutoRetainCocoaObject kungFuDeathGrip(self);
if ([self maybeRollup:theEvent] ||
!ChildViewMouseTracker::WindowAcceptsEvent([self window], theEvent, self, isClickThrough)) {
// Remember blocking because that means we want to block mouseup as well.
mBlockedLastMouseDown = YES;
return;
}
#if USE_CLICK_HOLD_CONTEXTMENU
// fire off timer to check for click-hold after two seconds. retains |theEvent|
[self performSelector:@selector(clickHoldCallback:) withObject:theEvent afterDelay:2.0];
#endif
// in order to send gecko events we'll need a gecko widget
if (!mGeckoChild) return;
if (mTextInputHandler->OnHandleEvent(theEvent)) {
return;
}
NSUInteger modifierFlags = [theEvent modifierFlags];
WidgetMouseEvent geckoEvent(true, eMouseDown, mGeckoChild, WidgetMouseEvent::eReal);
[self convertCocoaMouseEvent:theEvent toGeckoEvent:&geckoEvent];
NSInteger clickCount = [theEvent clickCount];
if (mBlockedLastMouseDown && clickCount > 1) {
// Don't send a double click if the first click of the double click was
// blocked.
clickCount--;
}
geckoEvent.mClickCount = clickCount;
if (modifierFlags & NSControlKeyMask)
geckoEvent.button = WidgetMouseEvent::eRightButton;
else
geckoEvent.button = WidgetMouseEvent::eLeftButton;
mGeckoChild->DispatchInputEvent(&geckoEvent);
mBlockedLastMouseDown = NO;
// XXX maybe call markedTextSelectionChanged:client: here?
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)mouseUp:(NSEvent*)theEvent {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (!mGeckoChild || mBlockedLastMouseDown) return;
if (mTextInputHandler->OnHandleEvent(theEvent)) {
return;
}
nsAutoRetainCocoaObject kungFuDeathGrip(self);
WidgetMouseEvent geckoEvent(true, eMouseUp, mGeckoChild, WidgetMouseEvent::eReal);
[self convertCocoaMouseEvent:theEvent toGeckoEvent:&geckoEvent];
if ([theEvent modifierFlags] & NSControlKeyMask)
geckoEvent.button = WidgetMouseEvent::eRightButton;
else
geckoEvent.button = WidgetMouseEvent::eLeftButton;
// Remember the event's position before calling DispatchInputEvent, because
// that call can mutate it and convert it into a different coordinate space.
LayoutDeviceIntPoint pos = geckoEvent.mRefPoint;
// This might destroy our widget (and null out mGeckoChild).
bool defaultPrevented =
(mGeckoChild->DispatchInputEvent(&geckoEvent) == nsEventStatus_eConsumeNoDefault);
if (!mGeckoChild) {
return;
}
// Check to see if we are double-clicking in draggable parts of the window.
if (!defaultPrevented && [theEvent clickCount] == 2 &&
!mGeckoChild->GetNonDraggableRegion().Contains(pos.x, pos.y)) {
if ([self shouldZoomOnDoubleClick]) {
[[self window] performZoom:nil];
} else if ([self shouldMinimizeOnTitlebarDoubleClick]) {
NSButton* minimizeButton = [[self window] standardWindowButton:NSWindowMiniaturizeButton];
[minimizeButton performClick:self];
}
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)sendMouseEnterOrExitEvent:(NSEvent*)aEvent
enter:(BOOL)aEnter
exitFrom:(WidgetMouseEvent::ExitFrom)aExitFrom {
if (!mGeckoChild) return;
NSPoint windowEventLocation = nsCocoaUtils::EventLocationForWindow(aEvent, [self window]);
NSPoint localEventLocation = [self convertPoint:windowEventLocation fromView:nil];
EventMessage msg = aEnter ? eMouseEnterIntoWidget : eMouseExitFromWidget;
WidgetMouseEvent event(true, msg, mGeckoChild, WidgetMouseEvent::eReal);
event.mRefPoint = mGeckoChild->CocoaPointsToDevPixels(localEventLocation);
event.mExitFrom = aExitFrom;
nsEventStatus status; // ignored
mGeckoChild->DispatchEvent(&event, status);
}
- (void)handleMouseMoved:(NSEvent*)theEvent {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (!mGeckoChild) return;
if (mTextInputHandler->OnHandleEvent(theEvent)) {
return;
}
WidgetMouseEvent geckoEvent(true, eMouseMove, mGeckoChild, WidgetMouseEvent::eReal);
[self convertCocoaMouseEvent:theEvent toGeckoEvent:&geckoEvent];
mGeckoChild->DispatchInputEvent(&geckoEvent);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)mouseDragged:(NSEvent*)theEvent {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (!mGeckoChild) return;
if (mTextInputHandler->OnHandleEvent(theEvent)) {
return;
}
gLastDragView = self;
WidgetMouseEvent geckoEvent(true, eMouseMove, mGeckoChild, WidgetMouseEvent::eReal);
[self convertCocoaMouseEvent:theEvent toGeckoEvent:&geckoEvent];
mGeckoChild->DispatchInputEvent(&geckoEvent);
// Note, sending the above event might have destroyed our widget since we didn't retain.
// Fine so long as we don't access any local variables from here on.
gLastDragView = nil;
// XXX maybe call markedTextSelectionChanged:client: here?
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)rightMouseDown:(NSEvent*)theEvent {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
nsAutoRetainCocoaObject kungFuDeathGrip(self);
[self maybeRollup:theEvent];
if (!mGeckoChild) return;
if (mTextInputHandler->OnHandleEvent(theEvent)) {
return;
}
// The right mouse went down, fire off a right mouse down event to gecko
WidgetMouseEvent geckoEvent(true, eMouseDown, mGeckoChild, WidgetMouseEvent::eReal);
[self convertCocoaMouseEvent:theEvent toGeckoEvent:&geckoEvent];
geckoEvent.button = WidgetMouseEvent::eRightButton;
geckoEvent.mClickCount = [theEvent clickCount];
mGeckoChild->DispatchInputEvent(&geckoEvent);
if (!mGeckoChild) return;
if (!nsBaseWidget::ShowContextMenuAfterMouseUp()) {
// Let the superclass do the context menu stuff.
[super rightMouseDown:theEvent];
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)rightMouseUp:(NSEvent*)theEvent {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (!mGeckoChild) return;
if (mTextInputHandler->OnHandleEvent(theEvent)) {
return;
}
WidgetMouseEvent geckoEvent(true, eMouseUp, mGeckoChild, WidgetMouseEvent::eReal);
[self convertCocoaMouseEvent:theEvent toGeckoEvent:&geckoEvent];
geckoEvent.button = WidgetMouseEvent::eRightButton;
geckoEvent.mClickCount = [theEvent clickCount];
nsAutoRetainCocoaObject kungFuDeathGrip(self);
mGeckoChild->DispatchInputEvent(&geckoEvent);
if (!mGeckoChild) return;
if (nsBaseWidget::ShowContextMenuAfterMouseUp()) {
// Let the superclass do the context menu stuff, but pretend it's rightMouseDown.
NSEvent* dupeEvent = [NSEvent mouseEventWithType:NSRightMouseDown
location:theEvent.locationInWindow
modifierFlags:theEvent.modifierFlags
timestamp:theEvent.timestamp
windowNumber:theEvent.windowNumber
context:theEvent.context
eventNumber:theEvent.eventNumber
clickCount:theEvent.clickCount
pressure:theEvent.pressure];
[super rightMouseDown:dupeEvent];
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)rightMouseDragged:(NSEvent*)theEvent {
if (!mGeckoChild) return;
if (mTextInputHandler->OnHandleEvent(theEvent)) {
return;
}
WidgetMouseEvent geckoEvent(true, eMouseMove, mGeckoChild, WidgetMouseEvent::eReal);
[self convertCocoaMouseEvent:theEvent toGeckoEvent:&geckoEvent];
geckoEvent.button = WidgetMouseEvent::eRightButton;
// send event into Gecko by going directly to the
// the widget.
mGeckoChild->DispatchInputEvent(&geckoEvent);
}
- (void)otherMouseDown:(NSEvent*)theEvent {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
nsAutoRetainCocoaObject kungFuDeathGrip(self);
if ([self maybeRollup:theEvent] ||
!ChildViewMouseTracker::WindowAcceptsEvent([self window], theEvent, self))
return;
if (!mGeckoChild) return;
if (mTextInputHandler->OnHandleEvent(theEvent)) {
return;
}
WidgetMouseEvent geckoEvent(true, eMouseDown, mGeckoChild, WidgetMouseEvent::eReal);
[self convertCocoaMouseEvent:theEvent toGeckoEvent:&geckoEvent];
geckoEvent.button = WidgetMouseEvent::eMiddleButton;
geckoEvent.mClickCount = [theEvent clickCount];
mGeckoChild->DispatchInputEvent(&geckoEvent);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)otherMouseUp:(NSEvent*)theEvent {
if (!mGeckoChild) return;
if (mTextInputHandler->OnHandleEvent(theEvent)) {
return;
}
WidgetMouseEvent geckoEvent(true, eMouseUp, mGeckoChild, WidgetMouseEvent::eReal);
[self convertCocoaMouseEvent:theEvent toGeckoEvent:&geckoEvent];
geckoEvent.button = WidgetMouseEvent::eMiddleButton;
nsAutoRetainCocoaObject kungFuDeathGrip(self);
mGeckoChild->DispatchInputEvent(&geckoEvent);
}
- (void)otherMouseDragged:(NSEvent*)theEvent {
if (!mGeckoChild) return;
if (mTextInputHandler->OnHandleEvent(theEvent)) {
return;
}
WidgetMouseEvent geckoEvent(true, eMouseMove, mGeckoChild, WidgetMouseEvent::eReal);
[self convertCocoaMouseEvent:theEvent toGeckoEvent:&geckoEvent];
geckoEvent.button = WidgetMouseEvent::eMiddleButton;
// send event into Gecko by going directly to the
// the widget.
mGeckoChild->DispatchInputEvent(&geckoEvent);
}
- (void)sendWheelStartOrStop:(EventMessage)msg forEvent:(NSEvent*)theEvent {
WidgetWheelEvent wheelEvent(true, msg, mGeckoChild);
[self convertCocoaMouseWheelEvent:theEvent toGeckoEvent:&wheelEvent];
mExpectingWheelStop = (msg == eWheelOperationStart);
mGeckoChild->DispatchInputEvent(wheelEvent.AsInputEvent());
}
- (void)sendWheelCondition:(BOOL)condition
first:(EventMessage)first
second:(EventMessage)second
forEvent:(NSEvent*)theEvent {
if (mExpectingWheelStop == condition) {
[self sendWheelStartOrStop:first forEvent:theEvent];
}
[self sendWheelStartOrStop:second forEvent:theEvent];
}
static PanGestureInput::PanGestureType PanGestureTypeForEvent(NSEvent* aEvent) {
switch (nsCocoaUtils::EventPhase(aEvent)) {
case NSEventPhaseMayBegin:
return PanGestureInput::PANGESTURE_MAYSTART;
case NSEventPhaseCancelled:
return PanGestureInput::PANGESTURE_CANCELLED;
case NSEventPhaseBegan:
return PanGestureInput::PANGESTURE_START;
case NSEventPhaseChanged:
return PanGestureInput::PANGESTURE_PAN;
case NSEventPhaseEnded:
return PanGestureInput::PANGESTURE_END;
case NSEventPhaseNone:
switch (nsCocoaUtils::EventMomentumPhase(aEvent)) {
case NSEventPhaseBegan:
return PanGestureInput::PANGESTURE_MOMENTUMSTART;
case NSEventPhaseChanged:
return PanGestureInput::PANGESTURE_MOMENTUMPAN;
case NSEventPhaseEnded:
return PanGestureInput::PANGESTURE_MOMENTUMEND;
default:
NS_ERROR("unexpected event phase");
return PanGestureInput::PANGESTURE_PAN;
}
default:
NS_ERROR("unexpected event phase");
return PanGestureInput::PANGESTURE_PAN;
}
}
static int32_t RoundUp(double aDouble) {
return aDouble < 0 ? static_cast<int32_t>(floor(aDouble)) : static_cast<int32_t>(ceil(aDouble));
}
static int32_t TakeLargestInt(gfx::Float* aFloat) {
int32_t result(*aFloat); // truncate towards zero
*aFloat -= result;
return result;
}
static gfx::IntPoint AccumulateIntegerDelta(NSEvent* aEvent) {
static gfx::Point sAccumulator(0.0f, 0.0f);
if (nsCocoaUtils::EventPhase(aEvent) == NSEventPhaseBegan) {
sAccumulator = gfx::Point(0.0f, 0.0f);
}
sAccumulator.x += [aEvent deltaX];
sAccumulator.y += [aEvent deltaY];
return gfx::IntPoint(TakeLargestInt(&sAccumulator.x), TakeLargestInt(&sAccumulator.y));
}
static gfx::IntPoint GetIntegerDeltaForEvent(NSEvent* aEvent) {
if (nsCocoaFeatures::OnSierraOrLater() && [aEvent hasPreciseScrollingDeltas]) {
// Pixel scroll events (events with hasPreciseScrollingDeltas == YES)
// carry pixel deltas in the scrollingDeltaX/Y fields and line scroll
// information in the deltaX/Y fields.
// Prior to 10.12, these line scroll fields would be zero for most pixel
// scroll events and non-zero for some, whenever at least a full line
// worth of pixel scrolling had accumulated. That's the behavior we want.
// Starting with 10.12 however, pixel scroll events no longer accumulate
// deltaX and deltaY; they just report floating point values for every
// single event. So we need to do our own accumulation.
return AccumulateIntegerDelta(aEvent);
}
// For line scrolls, or pre-10.12, just use the rounded up value of deltaX / deltaY.
return gfx::IntPoint(RoundUp([aEvent deltaX]), RoundUp([aEvent deltaY]));
}
- (void)scrollWheel:(NSEvent*)theEvent {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
nsAutoRetainCocoaObject kungFuDeathGrip(self);
ChildViewMouseTracker::MouseScrolled(theEvent);
if ([self maybeRollup:theEvent]) {
return;
}
if (!mGeckoChild) {
return;
}
NSEventPhase phase = nsCocoaUtils::EventPhase(theEvent);
// Fire eWheelOperationStart/End events when 2 fingers touch/release the
// touchpad.
if (phase & NSEventPhaseMayBegin) {
[self sendWheelCondition:YES
first:eWheelOperationEnd
second:eWheelOperationStart
forEvent:theEvent];
} else if (phase & (NSEventPhaseEnded | NSEventPhaseCancelled)) {
[self sendWheelCondition:NO
first:eWheelOperationStart
second:eWheelOperationEnd
forEvent:theEvent];
}
if (!mGeckoChild) {
return;
}
RefPtr<nsChildView> geckoChildDeathGrip(mGeckoChild);
NSPoint locationInWindow = nsCocoaUtils::EventLocationForWindow(theEvent, [self window]);
// Use convertWindowCoordinatesRoundDown when converting the position to
// integer screen pixels in order to ensure that coordinates which are just
// inside the right / bottom edges of the window don't end up outside of the
// window after rounding.
ScreenPoint position =
ViewAs<ScreenPixel>([self convertWindowCoordinatesRoundDown:locationInWindow],
PixelCastJustification::LayoutDeviceIsScreenForUntransformedEvent);
bool usePreciseDeltas = nsCocoaUtils::HasPreciseScrollingDeltas(theEvent) &&
Preferences::GetBool("mousewheel.enable_pixel_scrolling", true);
bool hasPhaseInformation = nsCocoaUtils::EventHasPhaseInformation(theEvent);
gfx::IntPoint lineOrPageDelta = -GetIntegerDeltaForEvent(theEvent);
Modifiers modifiers = nsCocoaUtils::ModifiersForEvent(theEvent);
NSTimeInterval beforeNow = [[NSProcessInfo processInfo] systemUptime] - [theEvent timestamp];
PRIntervalTime eventIntervalTime = PR_IntervalNow() - PR_MillisecondsToInterval(beforeNow * 1000);
TimeStamp eventTimeStamp = TimeStamp::Now() - TimeDuration::FromSeconds(beforeNow);
ScreenPoint preciseDelta;
if (usePreciseDeltas) {
CGFloat pixelDeltaX = 0, pixelDeltaY = 0;
nsCocoaUtils::GetScrollingDeltas(theEvent, &pixelDeltaX, &pixelDeltaY);
double scale = geckoChildDeathGrip->BackingScaleFactor();
preciseDelta = ScreenPoint(-pixelDeltaX * scale, -pixelDeltaY * scale);
}
if (usePreciseDeltas && hasPhaseInformation) {
PanGestureInput panEvent(PanGestureTypeForEvent(theEvent), eventIntervalTime, eventTimeStamp,
position, preciseDelta, modifiers);
panEvent.mLineOrPageDeltaX = lineOrPageDelta.x;
panEvent.mLineOrPageDeltaY = lineOrPageDelta.y;
if (panEvent.mType == PanGestureInput::PANGESTURE_END) {
// Check if there's a momentum start event in the event queue, so that we
// can annotate this event.
NSEvent* nextWheelEvent = [NSApp nextEventMatchingMask:NSScrollWheelMask
untilDate:[NSDate distantPast]
inMode:NSDefaultRunLoopMode
dequeue:NO];
if (nextWheelEvent &&
PanGestureTypeForEvent(nextWheelEvent) == PanGestureInput::PANGESTURE_MOMENTUMSTART) {
panEvent.mFollowedByMomentum = true;
}
}
bool canTriggerSwipe = [self shouldConsiderStartingSwipeFromEvent:theEvent];
panEvent.mRequiresContentResponseIfCannotScrollHorizontallyInStartDirection = canTriggerSwipe;
geckoChildDeathGrip->DispatchAPZWheelInputEvent(panEvent, canTriggerSwipe);
} else if (usePreciseDeltas) {
// This is on 10.6 or old touchpads that don't have any phase information.
ScrollWheelInput wheelEvent(
eventIntervalTime, eventTimeStamp, modifiers, ScrollWheelInput::SCROLLMODE_INSTANT,
ScrollWheelInput::SCROLLDELTA_PIXEL, position, preciseDelta.x, preciseDelta.y, false,
// This parameter is used for wheel delta
// adjustment, such as auto-dir scrolling,
// but we do't need to do anything special here
// since this wheel event is sent to
// DispatchAPZWheelInputEvent, which turns this
// ScrollWheelInput back into a WidgetWheelEvent
// and then it goes through the regular handling
// in APZInputBridge. So passing |eNone| won't
// pass up the necessary wheel delta adjustment.
WheelDeltaAdjustmentStrategy::eNone);
wheelEvent.mLineOrPageDeltaX = lineOrPageDelta.x;
wheelEvent.mLineOrPageDeltaY = lineOrPageDelta.y;
wheelEvent.mIsMomentum = nsCocoaUtils::IsMomentumScrollEvent(theEvent);
geckoChildDeathGrip->DispatchAPZWheelInputEvent(wheelEvent, false);
} else {
ScrollWheelInput::ScrollMode scrollMode = ScrollWheelInput::SCROLLMODE_INSTANT;
if (gfxPrefs::SmoothScrollEnabled() && gfxPrefs::WheelSmoothScrollEnabled()) {
scrollMode = ScrollWheelInput::SCROLLMODE_SMOOTH;
}
ScrollWheelInput wheelEvent(eventIntervalTime, eventTimeStamp, modifiers, scrollMode,
ScrollWheelInput::SCROLLDELTA_LINE, position, lineOrPageDelta.x,
lineOrPageDelta.y, false,
// This parameter is used for wheel delta
// adjustment, such as auto-dir scrolling,
// but we do't need to do anything special here
// since this wheel event is sent to
// DispatchAPZWheelInputEvent, which turns this
// ScrollWheelInput back into a WidgetWheelEvent
// and then it goes through the regular handling
// in APZInputBridge. So passing |eNone| won't
// pass up the necessary wheel delta adjustment.
WheelDeltaAdjustmentStrategy::eNone);
wheelEvent.mLineOrPageDeltaX = lineOrPageDelta.x;
wheelEvent.mLineOrPageDeltaY = lineOrPageDelta.y;
geckoChildDeathGrip->DispatchAPZWheelInputEvent(wheelEvent, false);
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (NSMenu*)menuForEvent:(NSEvent*)theEvent {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
if (!mGeckoChild) return nil;
nsAutoRetainCocoaObject kungFuDeathGrip(self);
[self maybeRollup:theEvent];
if (!mGeckoChild) return nil;
// Cocoa doesn't always dispatch a mouseDown: for a control-click event,
// depends on what we return from menuForEvent:. Gecko always expects one
// and expects the mouse down event before the context menu event, so
// get that event sent first if this is a left mouse click.
if ([theEvent type] == NSLeftMouseDown) {
[self mouseDown:theEvent];
if (!mGeckoChild) return nil;
}
WidgetMouseEvent geckoEvent(true, eContextMenu, mGeckoChild, WidgetMouseEvent::eReal);
[self convertCocoaMouseEvent:theEvent toGeckoEvent:&geckoEvent];
geckoEvent.button = WidgetMouseEvent::eRightButton;
mGeckoChild->DispatchInputEvent(&geckoEvent);
if (!mGeckoChild) return nil;
[self maybeInitContextMenuTracking];
// We never return an actual NSMenu* for the context menu. Gecko might have
// responded to the eContextMenu event by putting up a fake context menu.
return nil;
NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
}
- (void)convertCocoaMouseWheelEvent:(NSEvent*)aMouseEvent
toGeckoEvent:(WidgetWheelEvent*)outWheelEvent {
[self convertCocoaMouseEvent:aMouseEvent toGeckoEvent:outWheelEvent];
bool usePreciseDeltas = nsCocoaUtils::HasPreciseScrollingDeltas(aMouseEvent) &&
Preferences::GetBool("mousewheel.enable_pixel_scrolling", true);
outWheelEvent->mDeltaMode = usePreciseDeltas ? dom::WheelEvent_Binding::DOM_DELTA_PIXEL
: dom::WheelEvent_Binding::DOM_DELTA_LINE;
outWheelEvent->mIsMomentum = nsCocoaUtils::IsMomentumScrollEvent(aMouseEvent);
}
- (void)convertCocoaMouseEvent:(NSEvent*)aMouseEvent toGeckoEvent:(WidgetInputEvent*)outGeckoEvent {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
NS_ASSERTION(outGeckoEvent,
"convertCocoaMouseEvent:toGeckoEvent: requires non-null aoutGeckoEvent");
if (!outGeckoEvent) return;
nsCocoaUtils::InitInputEvent(*outGeckoEvent, aMouseEvent);
// convert point to view coordinate system
NSPoint locationInWindow = nsCocoaUtils::EventLocationForWindow(aMouseEvent, [self window]);
outGeckoEvent->mRefPoint = [self convertWindowCoordinates:locationInWindow];
WidgetMouseEventBase* mouseEvent = outGeckoEvent->AsMouseEventBase();
mouseEvent->buttons = 0;
NSUInteger mouseButtons = [NSEvent pressedMouseButtons];
if (mouseButtons & 0x01) {
mouseEvent->buttons |= WidgetMouseEvent::eLeftButtonFlag;
}
if (mouseButtons & 0x02) {
mouseEvent->buttons |= WidgetMouseEvent::eRightButtonFlag;
}
if (mouseButtons & 0x04) {
mouseEvent->buttons |= WidgetMouseEvent::eMiddleButtonFlag;
}
if (mouseButtons & 0x08) {
mouseEvent->buttons |= WidgetMouseEvent::e4thButtonFlag;
}
if (mouseButtons & 0x10) {
mouseEvent->buttons |= WidgetMouseEvent::e5thButtonFlag;
}
switch ([aMouseEvent type]) {
case NSLeftMouseDown:
case NSLeftMouseUp:
case NSLeftMouseDragged:
case NSRightMouseDown:
case NSRightMouseUp:
case NSRightMouseDragged:
case NSOtherMouseDown:
case NSOtherMouseUp:
case NSOtherMouseDragged:
case NSMouseMoved:
if ([aMouseEvent subtype] == NSTabletPointEventSubtype) {
[self convertCocoaTabletPointerEvent:aMouseEvent toGeckoEvent:mouseEvent->AsMouseEvent()];
}
break;
default:
// Don't check other NSEvents for pressure.
break;
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)convertCocoaTabletPointerEvent:(NSEvent*)aPointerEvent
toGeckoEvent:(WidgetMouseEvent*)aOutGeckoEvent {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN
if (!aOutGeckoEvent || !sIsTabletPointerActivated) {
return;
}
if ([aPointerEvent type] != NSMouseMoved) {
aOutGeckoEvent->pressure = [aPointerEvent pressure];
MOZ_ASSERT(aOutGeckoEvent->pressure >= 0.0 && aOutGeckoEvent->pressure <= 1.0);
}
aOutGeckoEvent->inputSource = dom::MouseEvent_Binding::MOZ_SOURCE_PEN;
aOutGeckoEvent->tiltX = lround([aPointerEvent tilt].x * 90);
aOutGeckoEvent->tiltY = lround([aPointerEvent tilt].y * 90);
aOutGeckoEvent->tangentialPressure = [aPointerEvent tangentialPressure];
// Make sure the twist value is in the range of 0-359.
int32_t twist = fmod([aPointerEvent rotation], 360);
aOutGeckoEvent->twist = twist >= 0 ? twist : twist + 360;
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)tabletProximity:(NSEvent*)theEvent {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN
sIsTabletPointerActivated = [theEvent isEnteringProximity];
NS_OBJC_END_TRY_ABORT_BLOCK
}
- (BOOL)shouldZoomOnDoubleClick {
if ([NSWindow respondsToSelector:@selector(_shouldZoomOnDoubleClick)]) {
return [NSWindow _shouldZoomOnDoubleClick];
}
return nsCocoaFeatures::OnYosemiteOrLater();
}
- (BOOL)shouldMinimizeOnTitlebarDoubleClick {
NSString* MDAppleMiniaturizeOnDoubleClickKey = @"AppleMiniaturizeOnDoubleClick";
NSUserDefaults* userDefaults = [NSUserDefaults standardUserDefaults];
bool shouldMinimize = [[userDefaults objectForKey:MDAppleMiniaturizeOnDoubleClickKey] boolValue];
return shouldMinimize;
}
#pragma mark -
// NSTextInputClient implementation
- (NSRange)markedRange {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
NS_ENSURE_TRUE(mTextInputHandler, NSMakeRange(NSNotFound, 0));
return mTextInputHandler->MarkedRange();
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(NSMakeRange(0, 0));
}
- (NSRange)selectedRange {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
NS_ENSURE_TRUE(mTextInputHandler, NSMakeRange(NSNotFound, 0));
return mTextInputHandler->SelectedRange();
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(NSMakeRange(0, 0));
}
- (BOOL)drawsVerticallyForCharacterAtIndex:(NSUInteger)charIndex {
NS_ENSURE_TRUE(mTextInputHandler, NO);
if (charIndex == NSNotFound) {
return NO;
}
return mTextInputHandler->DrawsVerticallyForCharacterAtIndex(charIndex);
}
- (NSUInteger)characterIndexForPoint:(NSPoint)thePoint {
NS_ENSURE_TRUE(mTextInputHandler, 0);
return mTextInputHandler->CharacterIndexForPoint(thePoint);
}
- (NSArray*)validAttributesForMarkedText {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
NS_ENSURE_TRUE(mTextInputHandler, [NSArray array]);
return mTextInputHandler->GetValidAttributesForMarkedText();
NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
}
- (void)insertText:(id)aString replacementRange:(NSRange)replacementRange {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
NS_ENSURE_TRUE_VOID(mGeckoChild);
nsAutoRetainCocoaObject kungFuDeathGrip(self);
NSAttributedString* attrStr;
if ([aString isKindOfClass:[NSAttributedString class]]) {
attrStr = static_cast<NSAttributedString*>(aString);
} else {
attrStr = [[[NSAttributedString alloc] initWithString:aString] autorelease];
}
mTextInputHandler->InsertText(attrStr, &replacementRange);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)doCommandBySelector:(SEL)aSelector {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (!mGeckoChild || !mTextInputHandler) {
return;
}
const char* sel = reinterpret_cast<const char*>(aSelector);
if (!mTextInputHandler->DoCommandBySelector(sel)) {
[super doCommandBySelector:aSelector];
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)unmarkText {
NS_ENSURE_TRUE_VOID(mTextInputHandler);
mTextInputHandler->CommitIMEComposition();
}
- (BOOL)hasMarkedText {
NS_ENSURE_TRUE(mTextInputHandler, NO);
return mTextInputHandler->HasMarkedText();
}
- (void)setMarkedText:(id)aString
selectedRange:(NSRange)selectedRange
replacementRange:(NSRange)replacementRange {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
NS_ENSURE_TRUE_VOID(mTextInputHandler);
nsAutoRetainCocoaObject kungFuDeathGrip(self);
NSAttributedString* attrStr;
if ([aString isKindOfClass:[NSAttributedString class]]) {
attrStr = static_cast<NSAttributedString*>(aString);
} else {
attrStr = [[[NSAttributedString alloc] initWithString:aString] autorelease];
}
mTextInputHandler->SetMarkedText(attrStr, selectedRange, &replacementRange);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (NSAttributedString*)attributedSubstringForProposedRange:(NSRange)aRange
actualRange:(NSRangePointer)actualRange {
NS_ENSURE_TRUE(mTextInputHandler, nil);
return mTextInputHandler->GetAttributedSubstringFromRange(aRange, actualRange);
}
- (NSRect)firstRectForCharacterRange:(NSRange)aRange actualRange:(NSRangePointer)actualRange {
NS_ENSURE_TRUE(mTextInputHandler, NSMakeRect(0.0, 0.0, 0.0, 0.0));
return mTextInputHandler->FirstRectForCharacterRange(aRange, actualRange);
}
- (void)quickLookWithEvent:(NSEvent*)event {
// Show dictionary by current point
WidgetContentCommandEvent contentCommandEvent(true, eContentCommandLookUpDictionary, mGeckoChild);
NSPoint point = [self convertPoint:[event locationInWindow] fromView:nil];
contentCommandEvent.mRefPoint = mGeckoChild->CocoaPointsToDevPixels(point);
mGeckoChild->DispatchWindowEvent(contentCommandEvent);
// The widget might have been destroyed.
}
- (NSInteger)windowLevel {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
NS_ENSURE_TRUE(mTextInputHandler, [[self window] level]);
return mTextInputHandler->GetWindowLevel();
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(NSNormalWindowLevel);
}
#pragma mark -
// This is a private API that Cocoa uses.
// Cocoa will call this after the menu system returns "NO" for "performKeyEquivalent:".
// We want all they key events we can get so just return YES. In particular, this fixes
// ctrl-tab - we don't get a "keyDown:" call for that without this.
- (BOOL)_wantsKeyDownForEvent:(NSEvent*)event {
return YES;
}
- (NSEvent*)lastKeyDownEvent {
return mLastKeyDownEvent;
}
- (void)keyDown:(NSEvent*)theEvent {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
[mLastKeyDownEvent release];
mLastKeyDownEvent = [theEvent retain];
// Weird things can happen on keyboard input if the key window isn't in the
// current space. For example see bug 1056251. To get around this, always
// make sure that, if our window is key, it's also made frontmost. Doing
// this automatically switches to whatever space our window is in. Safari
// does something similar. Our window should normally always be key --
// otherwise why is the OS sending us a key down event? But it's just
// possible we're in Gecko's hidden window, so we check first.
NSWindow* viewWindow = [self window];
if (viewWindow && [viewWindow isKeyWindow]) {
[viewWindow orderWindow:NSWindowAbove relativeTo:0];
}
#if !defined(RELEASE_OR_BETA) || defined(DEBUG)
if (!Preferences::GetBool("intl.allow-insecure-text-input", false) && mGeckoChild &&
mTextInputHandler && mTextInputHandler->IsFocused()) {
NSWindow* window = [self window];
NSString* info = [NSString
stringWithFormat:
@"\nview [%@], window [%@], window is key %i, is fullscreen %i, app is active %i", self,
window, [window isKeyWindow], ([window styleMask] & (1 << 14)) != 0, [NSApp isActive]];
nsAutoCString additionalInfo([info UTF8String]);
if (mGeckoChild->GetInputContext().IsPasswordEditor() &&
!TextInputHandler::IsSecureEventInputEnabled()) {
# define CRASH_MESSAGE "A password editor has focus, but not in secure input mode"
CrashReporter::AppendAppNotesToCrashReport(NS_LITERAL_CSTRING("\nBug 893973: ") +
NS_LITERAL_CSTRING(CRASH_MESSAGE));
CrashReporter::AppendAppNotesToCrashReport(additionalInfo);
MOZ_CRASH(CRASH_MESSAGE);
# undef CRASH_MESSAGE
} else if (!mGeckoChild->GetInputContext().IsPasswordEditor() &&
TextInputHandler::IsSecureEventInputEnabled()) {
# define CRASH_MESSAGE "A non-password editor has focus, but in secure input mode"
CrashReporter::AppendAppNotesToCrashReport(NS_LITERAL_CSTRING("\nBug 893973: ") +
NS_LITERAL_CSTRING(CRASH_MESSAGE));
CrashReporter::AppendAppNotesToCrashReport(additionalInfo);
MOZ_CRASH(CRASH_MESSAGE);
# undef CRASH_MESSAGE
}
}
#endif // #if !defined(RELEASE_OR_BETA) || defined(DEBUG)
nsAutoRetainCocoaObject kungFuDeathGrip(self);
if (mGeckoChild) {
if (mTextInputHandler) {
sUniqueKeyEventId++;
[sNativeKeyEventsMap setObject:theEvent forKey:@(sUniqueKeyEventId)];
// Purge old native events, in case we're still holding on to them. We
// keep at most 10 references to 10 different native events.
[sNativeKeyEventsMap removeObjectForKey:@(sUniqueKeyEventId - 10)];
mTextInputHandler->HandleKeyDownEvent(theEvent, sUniqueKeyEventId);
} else {
// There was no text input handler. Offer the event to the native menu
// system to check if there are any registered custom shortcuts for this
// event.
mGeckoChild->SendEventToNativeMenuSystem(theEvent);
}
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)keyUp:(NSEvent*)theEvent {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
NS_ENSURE_TRUE(mGeckoChild, );
nsAutoRetainCocoaObject kungFuDeathGrip(self);
mTextInputHandler->HandleKeyUpEvent(theEvent);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)insertNewline:(id)sender {
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandInsertParagraph);
}
}
- (void)insertLineBreak:(id)sender {
// Ctrl + Enter in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandInsertLineBreak);
}
}
- (void)deleteBackward:(id)sender {
// Backspace in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandDeleteCharBackward);
}
}
- (void)deleteBackwardByDecomposingPreviousCharacter:(id)sender {
// Ctrl + Backspace in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandDeleteCharBackward);
}
}
- (void)deleteWordBackward:(id)sender {
// Alt + Backspace in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandDeleteWordBackward);
}
}
- (void)deleteToBeginningOfBackward:(id)sender {
// Command + Backspace in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandDeleteToBeginningOfLine);
}
}
- (void)deleteForward:(id)sender {
// Delete in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandDeleteCharForward);
}
}
- (void)deleteWordForward:(id)sender {
// Alt + Delete in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandDeleteWordForward);
}
}
- (void)insertTab:(id)sender {
// Tab in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandInsertTab);
}
}
- (void)insertBacktab:(id)sender {
// Shift + Tab in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandInsertBacktab);
}
}
- (void)moveRight:(id)sender {
// RightArrow in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandCharNext);
}
}
- (void)moveRightAndModifySelection:(id)sender {
// Shift + RightArrow in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandSelectCharNext);
}
}
- (void)moveWordRight:(id)sender {
// Alt + RightArrow in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandWordNext);
}
}
- (void)moveWordRightAndModifySelection:(id)sender {
// Alt + Shift + RightArrow in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandSelectWordNext);
}
}
- (void)moveToRightEndOfLine:(id)sender {
// Command + RightArrow in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandEndLine);
}
}
- (void)moveToRightEndOfLineAndModifySelection:(id)sender {
// Command + Shift + RightArrow in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandSelectEndLine);
}
}
- (void)moveLeft:(id)sender {
// LeftArrow in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandCharPrevious);
}
}
- (void)moveLeftAndModifySelection:(id)sender {
// Shift + LeftArrow in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandSelectCharPrevious);
}
}
- (void)moveWordLeft:(id)sender {
// Alt + LeftArrow in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandWordPrevious);
}
}
- (void)moveWordLeftAndModifySelection:(id)sender {
// Alt + Shift + LeftArrow in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandSelectWordPrevious);
}
}
- (void)moveToLeftEndOfLine:(id)sender {
// Command + LeftArrow in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandBeginLine);
}
}
- (void)moveToLeftEndOfLineAndModifySelection:(id)sender {
// Command + Shift + LeftArrow in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandSelectBeginLine);
}
}
- (void)moveUp:(id)sender {
// ArrowUp in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandLinePrevious);
}
}
- (void)moveUpAndModifySelection:(id)sender {
// Shift + ArrowUp in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandSelectLinePrevious);
}
}
- (void)moveToBeginningOfDocument:(id)sender {
// Command + ArrowUp in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandMoveTop);
}
}
- (void)moveToBeginningOfDocumentAndModifySelection:(id)sender {
// Command + Shift + ArrowUp or Shift + Home in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandSelectTop);
}
}
- (void)moveDown:(id)sender {
// ArrowDown in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandLineNext);
}
}
- (void)moveDownAndModifySelection:(id)sender {
// Shift + ArrowDown in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandSelectLineNext);
}
}
- (void)moveToEndOfDocument:(id)sender {
// Command + ArrowDown in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandMoveBottom);
}
}
- (void)moveToEndOfDocumentAndModifySelection:(id)sender {
// Command + Shift + ArrowDown or Shift + End in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandSelectBottom);
}
}
- (void)scrollPageUp:(id)sender {
// PageUp in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandScrollPageUp);
}
}
- (void)pageUpAndModifySelection:(id)sender {
// Shift + PageUp in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandSelectPageUp);
}
}
- (void)scrollPageDown:(id)sender {
// PageDown in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandScrollPageDown);
}
}
- (void)pageDownAndModifySelection:(id)sender {
// Shift + PageDown in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandSelectPageDown);
}
}
- (void)scrollToEndOfDocument:(id)sender {
// End in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandScrollBottom);
}
}
- (void)scrollToBeginningOfDocument:(id)sender {
// Home in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandScrollTop);
}
}
// XXX Don't decleare nor implement calcelOperation: because it
// causes not calling keyDown: for Command + Period.
// We need to handle it from doCommandBySelector:.
- (void)complete:(id)sender {
// Alt + Escape or Alt + Shift + Escape in the default settings.
if (mTextInputHandler) {
mTextInputHandler->HandleCommand(CommandComplete);
}
}
- (void)flagsChanged:(NSEvent*)theEvent {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
NS_ENSURE_TRUE(mGeckoChild, );
nsAutoRetainCocoaObject kungFuDeathGrip(self);
mTextInputHandler->HandleFlagsChanged(theEvent);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (BOOL)isFirstResponder {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
NSResponder* resp = [[self window] firstResponder];
return (resp == (NSResponder*)self);
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(NO);
}
- (BOOL)isDragInProgress {
if (!mDragService) return NO;
nsCOMPtr<nsIDragSession> dragSession;
mDragService->GetCurrentSession(getter_AddRefs(dragSession));
return dragSession != nullptr;
}
- (BOOL)inactiveWindowAcceptsMouseEvent:(NSEvent*)aEvent {
// If we're being destroyed assume the default -- return YES.
if (!mGeckoChild) return YES;
WidgetMouseEvent geckoEvent(true, eMouseActivate, mGeckoChild, WidgetMouseEvent::eReal);
[self convertCocoaMouseEvent:aEvent toGeckoEvent:&geckoEvent];
return (mGeckoChild->DispatchInputEvent(&geckoEvent) != nsEventStatus_eConsumeNoDefault);
}
// We must always call through to our superclass, even when mGeckoChild is
// nil -- otherwise the keyboard focus can end up in the wrong NSView.
- (BOOL)becomeFirstResponder {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
return [super becomeFirstResponder];
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(YES);
}
- (void)viewsWindowDidBecomeKey {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (!mGeckoChild) return;
nsAutoRetainCocoaObject kungFuDeathGrip(self);
// check to see if the window implements the mozWindow protocol. This
// allows embedders to avoid re-entrant calls to -makeKeyAndOrderFront,
// which can happen because these activate calls propagate out
// to the embedder via nsIEmbeddingSiteWindow::SetFocus().
BOOL isMozWindow = [[self window] respondsToSelector:@selector(setSuppressMakeKeyFront:)];
if (isMozWindow) [[self window] setSuppressMakeKeyFront:YES];
nsIWidgetListener* listener = mGeckoChild->GetWidgetListener();
if (listener) listener->WindowActivated();
if (isMozWindow) [[self window] setSuppressMakeKeyFront:NO];
if (mGeckoChild->GetInputContext().IsPasswordEditor()) {
TextInputHandler::EnableSecureEventInput();
} else {
TextInputHandler::EnsureSecureEventInputDisabled();
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)viewsWindowDidResignKey {
if (!mGeckoChild) return;
nsAutoRetainCocoaObject kungFuDeathGrip(self);
nsIWidgetListener* listener = mGeckoChild->GetWidgetListener();
if (listener) listener->WindowDeactivated();
TextInputHandler::EnsureSecureEventInputDisabled();
}
// If the call to removeFromSuperview isn't delayed from nsChildView::
// TearDownView(), the NSView hierarchy might get changed during calls to
// [ChildView drawRect:], which leads to "beyond bounds" exceptions in
// NSCFArray. For more info see bmo bug 373122. Apple's docs claim that
// removeFromSuperviewWithoutNeedingDisplay "can be safely invoked during
// display" (whatever "display" means). But it's _not_ true that it can be
// safely invoked during calls to [NSView drawRect:]. We use
// removeFromSuperview here because there's no longer any danger of being
// "invoked during display", and because doing do clears up bmo bug 384343.
- (void)delayedTearDown {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
[self removeFromSuperview];
[self release];
NS_OBJC_END_TRY_ABORT_BLOCK;
}
#pragma mark -
// drag'n'drop stuff
#define kDragServiceContractID "@mozilla.org/widget/dragservice;1"
- (NSDragOperation)dragOperationFromDragAction:(int32_t)aDragAction {
if (nsIDragService::DRAGDROP_ACTION_LINK & aDragAction) return NSDragOperationLink;
if (nsIDragService::DRAGDROP_ACTION_COPY & aDragAction) return NSDragOperationCopy;
if (nsIDragService::DRAGDROP_ACTION_MOVE & aDragAction) return NSDragOperationGeneric;
return NSDragOperationNone;
}
- (LayoutDeviceIntPoint)convertWindowCoordinates:(NSPoint)aPoint {
if (!mGeckoChild) {
return LayoutDeviceIntPoint(0, 0);
}
NSPoint localPoint = [self convertPoint:aPoint fromView:nil];
return mGeckoChild->CocoaPointsToDevPixels(localPoint);
}
- (LayoutDeviceIntPoint)convertWindowCoordinatesRoundDown:(NSPoint)aPoint {
if (!mGeckoChild) {
return LayoutDeviceIntPoint(0, 0);
}
NSPoint localPoint = [self convertPoint:aPoint fromView:nil];
return mGeckoChild->CocoaPointsToDevPixelsRoundDown(localPoint);
}
// This is a utility function used by NSView drag event methods
// to send events. It contains all of the logic needed for Gecko
// dragging to work. Returns the appropriate cocoa drag operation code.
- (NSDragOperation)doDragAction:(EventMessage)aMessage sender:(id)aSender {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
if (!mGeckoChild) return NSDragOperationNone;
MOZ_LOG(sCocoaLog, LogLevel::Info, ("ChildView doDragAction: entered\n"));
if (!mDragService) {
CallGetService(kDragServiceContractID, &mDragService);
NS_ASSERTION(mDragService, "Couldn't get a drag service - big problem!");
if (!mDragService) return NSDragOperationNone;
}
if (aMessage == eDragEnter) {
mDragService->StartDragSession();
}
nsCOMPtr<nsIDragSession> dragSession;
mDragService->GetCurrentSession(getter_AddRefs(dragSession));
if (dragSession) {
if (aMessage == eDragOver) {
// fire the drag event at the source. Just ignore whether it was
// cancelled or not as there isn't actually a means to stop the drag
mDragService->FireDragEventAtSource(eDrag,
nsCocoaUtils::ModifiersForEvent([NSApp currentEvent]));
dragSession->SetCanDrop(false);
} else if (aMessage == eDrop) {
// We make the assumption that the dragOver handlers have correctly set
// the |canDrop| property of the Drag Session.
bool canDrop = false;
if (!NS_SUCCEEDED(dragSession->GetCanDrop(&canDrop)) || !canDrop) {
[self doDragAction:eDragExit sender:aSender];
nsCOMPtr<nsINode> sourceNode;
dragSession->GetSourceNode(getter_AddRefs(sourceNode));
if (!sourceNode) {
mDragService->EndDragSession(false,
nsCocoaUtils::ModifiersForEvent([NSApp currentEvent]));
}
return NSDragOperationNone;
}
}
unsigned int modifierFlags = [[NSApp currentEvent] modifierFlags];
uint32_t action = nsIDragService::DRAGDROP_ACTION_MOVE;
// force copy = option, alias = cmd-option, default is move
if (modifierFlags & NSAlternateKeyMask) {
if (modifierFlags & NSCommandKeyMask)
action = nsIDragService::DRAGDROP_ACTION_LINK;
else
action = nsIDragService::DRAGDROP_ACTION_COPY;
}
dragSession->SetDragAction(action);
}
// set up gecko event
WidgetDragEvent geckoEvent(true, aMessage, mGeckoChild);
nsCocoaUtils::InitInputEvent(geckoEvent, [NSApp currentEvent]);
// Use our own coordinates in the gecko event.
// Convert event from gecko global coords to gecko view coords.
NSPoint draggingLoc = [aSender draggingLocation];
geckoEvent.mRefPoint = [self convertWindowCoordinates:draggingLoc];
nsAutoRetainCocoaObject kungFuDeathGrip(self);
mGeckoChild->DispatchInputEvent(&geckoEvent);
if (!mGeckoChild) return NSDragOperationNone;
if (dragSession) {
switch (aMessage) {
case eDragEnter:
case eDragOver: {
uint32_t dragAction;
dragSession->GetDragAction(&dragAction);
// If TakeChildProcessDragAction returns something other than
// DRAGDROP_ACTION_UNINITIALIZED, it means that the last event was sent
// to the child process and this event is also being sent to the child
// process. In this case, use the last event's action instead.
nsDragService* dragService = static_cast<nsDragService*>(mDragService);
int32_t childDragAction = dragService->TakeChildProcessDragAction();
if (childDragAction != nsIDragService::DRAGDROP_ACTION_UNINITIALIZED) {
dragAction = childDragAction;
}
return [self dragOperationFromDragAction:dragAction];
}
case eDragExit:
case eDrop: {
nsCOMPtr<nsINode> sourceNode;
dragSession->GetSourceNode(getter_AddRefs(sourceNode));
if (!sourceNode) {
// We're leaving a window while doing a drag that was
// initiated in a different app. End the drag session,
// since we're done with it for now (until the user
// drags back into mozilla).
mDragService->EndDragSession(false,
nsCocoaUtils::ModifiersForEvent([NSApp currentEvent]));
}
}
default:
break;
}
}
return NSDragOperationGeneric;
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(NSDragOperationNone);
}
// NSDraggingDestination
- (NSDragOperation)draggingEntered:(id<NSDraggingInfo>)sender {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
MOZ_LOG(sCocoaLog, LogLevel::Info, ("ChildView draggingEntered: entered\n"));
// there should never be a globalDragPboard when "draggingEntered:" is
// called, but just in case we'll take care of it here.
[globalDragPboard release];
// Set the global drag pasteboard that will be used for this drag session.
// This will be set back to nil when the drag session ends (mouse exits
// the view or a drop happens within the view).
globalDragPboard = [[sender draggingPasteboard] retain];
return [self doDragAction:eDragEnter sender:sender];
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(NSDragOperationNone);
}
// NSDraggingDestination
- (NSDragOperation)draggingUpdated:(id<NSDraggingInfo>)sender {
MOZ_LOG(sCocoaLog, LogLevel::Info, ("ChildView draggingUpdated: entered\n"));
return [self doDragAction:eDragOver sender:sender];
}
// NSDraggingDestination
- (void)draggingExited:(id<NSDraggingInfo>)sender {
MOZ_LOG(sCocoaLog, LogLevel::Info, ("ChildView draggingExited: entered\n"));
nsAutoRetainCocoaObject kungFuDeathGrip(self);
[self doDragAction:eDragExit sender:sender];
NS_IF_RELEASE(mDragService);
}
// NSDraggingDestination
- (BOOL)performDragOperation:(id<NSDraggingInfo>)sender {
nsAutoRetainCocoaObject kungFuDeathGrip(self);
BOOL handled = [self doDragAction:eDrop sender:sender] != NSDragOperationNone;
NS_IF_RELEASE(mDragService);
return handled;
}
// NSDraggingSource
// This is just implemented so we comply with the NSDraggingSource protocol.
- (NSDragOperation)draggingSession:(NSDraggingSession*)session
sourceOperationMaskForDraggingContext:(NSDraggingContext)context {
return UINT_MAX;
}
// NSDraggingSource
- (BOOL)ignoreModifierKeysForDraggingSession:(NSDraggingSession*)session {
return YES;
}
// NSDraggingSource
- (void)draggingSession:(NSDraggingSession*)aSession
endedAtPoint:(NSPoint)aPoint
operation:(NSDragOperation)aOperation {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
gDraggedTransferables = nullptr;
NSEvent* currentEvent = [NSApp currentEvent];
gUserCancelledDrag = ([currentEvent type] == NSKeyDown && [currentEvent keyCode] == kVK_Escape);
if (!mDragService) {
CallGetService(kDragServiceContractID, &mDragService);
NS_ASSERTION(mDragService, "Couldn't get a drag service - big problem!");
}
if (mDragService) {
// set the dragend point from the current mouse location
nsDragService* dragService = static_cast<nsDragService*>(mDragService);
FlipCocoaScreenCoordinate(aPoint);
dragService->SetDragEndPoint(gfx::IntPoint::Round(aPoint.x, aPoint.y));
NSPoint pnt = [NSEvent mouseLocation];
FlipCocoaScreenCoordinate(pnt);
dragService->SetDragEndPoint(gfx::IntPoint::Round(pnt.x, pnt.y));
// XXX: dropEffect should be updated per |aOperation|.
// As things stand though, |aOperation| isn't well handled within "our"
// events, that is, when the drop happens within the window: it is set
// either to NSDragOperationGeneric or to NSDragOperationNone.
// For that reason, it's not yet possible to override dropEffect per the
// given OS value, and it's also unclear what's the correct dropEffect
// value for NSDragOperationGeneric that is passed by other applications.
// All that said, NSDragOperationNone is still reliable.
if (aOperation == NSDragOperationNone) {
RefPtr<dom::DataTransfer> dataTransfer = dragService->GetDataTransfer();
if (dataTransfer) {
dataTransfer->SetDropEffectInt(nsIDragService::DRAGDROP_ACTION_NONE);
}
}
mDragService->EndDragSession(true, nsCocoaUtils::ModifiersForEvent(currentEvent));
NS_RELEASE(mDragService);
}
[globalDragPboard release];
globalDragPboard = nil;
[gLastDragMouseDownEvent release];
gLastDragMouseDownEvent = nil;
NS_OBJC_END_TRY_ABORT_BLOCK;
}
// NSDraggingSource
- (void)draggingSession:(NSDraggingSession*)aSession movedToPoint:(NSPoint)aPoint {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
// Get the drag service if it isn't already cached. The drag service
// isn't cached when dragging over a different application.
nsCOMPtr<nsIDragService> dragService = mDragService;
if (!dragService) {
dragService = do_GetService(kDragServiceContractID);
}
if (dragService) {
nsDragService* ds = static_cast<nsDragService*>(dragService.get());
ds->DragMovedWithView(aSession, aPoint);
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
// NSDraggingSource
- (void)draggingSession:(NSDraggingSession*)aSession willBeginAtPoint:(NSPoint)aPoint {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
// there should never be a globalDragPboard when "willBeginAtPoint:" is
// called, but just in case we'll take care of it here.
[globalDragPboard release];
// Set the global drag pasteboard that will be used for this drag session.
// This will be set back to nil when the drag session ends (mouse exits
// the view or a drop happens within the view).
globalDragPboard = [[aSession draggingPasteboard] retain];
NS_OBJC_END_TRY_ABORT_BLOCK;
}
// NSPasteboardItemDataProvider
- (void)pasteboard:(NSPasteboard*)aPasteboard
item:(NSPasteboardItem*)aItem
provideDataForType:(NSString*)aType {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (!gDraggedTransferables) {
return;
}
uint32_t count = 0;
gDraggedTransferables->GetLength(&count);
for (uint32_t j = 0; j < count; j++) {
nsCOMPtr<nsITransferable> currentTransferable = do_QueryElementAt(gDraggedTransferables, j);
if (!currentTransferable) {
return;
}
// Transform the transferable to an NSDictionary.
NSDictionary* pasteboardOutputDict =
nsClipboard::PasteboardDictFromTransferable(currentTransferable);
if (!pasteboardOutputDict) {
return;
}
// Write everything out to the pasteboard.
unsigned int typeCount = [pasteboardOutputDict count];
NSMutableArray* types = [NSMutableArray arrayWithCapacity:typeCount + 1];
[types addObjectsFromArray:[pasteboardOutputDict allKeys]];
[types addObject:[UTIHelper stringFromPboardType:kMozWildcardPboardType]];
for (unsigned int k = 0; k < typeCount; k++) {
NSString* curType = [types objectAtIndex:k];
if ([curType isEqualToString:[UTIHelper stringFromPboardType:NSPasteboardTypeString]] ||
[curType isEqualToString:[UTIHelper stringFromPboardType:kPublicUrlPboardType]] ||
[curType isEqualToString:[UTIHelper stringFromPboardType:kPublicUrlNamePboardType]] ||
[curType isEqualToString:[UTIHelper stringFromPboardType:(NSString*)kUTTypeFileURL]]) {
[aPasteboard setString:[pasteboardOutputDict valueForKey:curType] forType:curType];
} else if ([curType
isEqualToString:[UTIHelper stringFromPboardType:kUrlsWithTitlesPboardType]]) {
[aPasteboard setPropertyList:[pasteboardOutputDict valueForKey:curType] forType:curType];
} else if ([curType isEqualToString:[UTIHelper stringFromPboardType:NSPasteboardTypeHTML]]) {
[aPasteboard setString:(nsClipboard::WrapHtmlForSystemPasteboard(
[pasteboardOutputDict valueForKey:curType]))
forType:curType];
} else if ([curType isEqualToString:[UTIHelper stringFromPboardType:NSPasteboardTypeTIFF]] ||
[curType
isEqualToString:[UTIHelper stringFromPboardType:kMozCustomTypesPboardType]]) {
[aPasteboard setData:[pasteboardOutputDict valueForKey:curType] forType:curType];
} else if ([curType
isEqualToString:[UTIHelper stringFromPboardType:kMozFileUrlsPboardType]]) {
[aPasteboard writeObjects:[pasteboardOutputDict valueForKey:curType]];
} else if ([curType
isEqualToString:[UTIHelper
stringFromPboardType:(NSString*)
kPasteboardTypeFileURLPromise]]) {
nsCOMPtr<nsIFile> targFile;
NS_NewLocalFile(EmptyString(), true, getter_AddRefs(targFile));
nsCOMPtr<nsILocalFileMac> macLocalFile = do_QueryInterface(targFile);
if (!macLocalFile) {
NS_ERROR("No Mac local file");
continue;
}
// get paste location from low level pasteboard
PasteboardRef pboardRef = NULL;
PasteboardCreate((CFStringRef)[aPasteboard name], &pboardRef);
if (!pboardRef) {
continue;
}
PasteboardSynchronize(pboardRef);
CFURLRef urlRef = NULL;
PasteboardCopyPasteLocation(pboardRef, &urlRef);
if (!urlRef) {
CFRelease(pboardRef);
continue;
}
if (!NS_SUCCEEDED(macLocalFile->InitWithCFURL(urlRef))) {
NS_ERROR("failed InitWithCFURL");
CFRelease(urlRef);
CFRelease(pboardRef);
continue;
}
if (!gDraggedTransferables) {
CFRelease(urlRef);
CFRelease(pboardRef);
continue;
}
uint32_t transferableCount;
nsresult rv = gDraggedTransferables->GetLength(&transferableCount);
if (NS_FAILED(rv)) {
CFRelease(urlRef);
CFRelease(pboardRef);
continue;
}
for (uint32_t i = 0; i < transferableCount; i++) {
nsCOMPtr<nsITransferable> item = do_QueryElementAt(gDraggedTransferables, i);
if (!item) {
NS_ERROR("no transferable");
continue;
}
item->SetTransferData(kFilePromiseDirectoryMime, macLocalFile);
// Now request the kFilePromiseMime data, which will invoke the data
// provider. If successful, the file will have been created.
nsCOMPtr<nsISupports> fileDataPrimitive;
Unused << item->GetTransferData(kFilePromiseMime, getter_AddRefs(fileDataPrimitive));
}
CFRelease(urlRef);
CFRelease(pboardRef);
[aPasteboard setPropertyList:[pasteboardOutputDict valueForKey:curType] forType:curType];
}
}
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
#pragma mark -
// Support for the "Services" menu. We currently only support sending strings
// and HTML to system services.
- (id)validRequestorForSendType:(NSString*)sendType returnType:(NSString*)returnType {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
// sendType contains the type of data that the service would like this
// application to send to it. sendType is nil if the service is not
// requesting any data.
//
// returnType contains the type of data the the service would like to
// return to this application (e.g., to overwrite the selection).
// returnType is nil if the service will not return any data.
//
// The following condition thus triggers when the service expects a string
// or HTML from us or no data at all AND when the service will either not
// send back any data to us or will send a string or HTML back to us.
id result = nil;
NSString* stringType = [UTIHelper stringFromPboardType:NSPasteboardTypeString];
NSString* htmlType = [UTIHelper stringFromPboardType:NSPasteboardTypeHTML];
if ((!sendType || [sendType isEqualToString:stringType] || [sendType isEqualToString:htmlType]) &&
(!returnType || [returnType isEqualToString:stringType] ||
[returnType isEqualToString:htmlType])) {
if (mGeckoChild) {
// Assume that this object will be able to handle this request.
result = self;
// Keep the ChildView alive during this operation.
nsAutoRetainCocoaObject kungFuDeathGrip(self);
if (sendType) {
// Determine if there is a current selection (chrome/content).
if (!nsClipboard::sSelectionCache) {
result = nil;
}
}
// Determine if we can paste (if receiving data from the service).
if (mGeckoChild && returnType) {
WidgetContentCommandEvent command(true, eContentCommandPasteTransferable, mGeckoChild,
true);
// This might possibly destroy our widget (and null out mGeckoChild).
mGeckoChild->DispatchWindowEvent(command);
if (!mGeckoChild || !command.mSucceeded || !command.mIsEnabled) result = nil;
}
}
}
// Give the superclass a chance if this object will not handle this request.
if (!result) result = [super validRequestorForSendType:sendType returnType:returnType];
return result;
NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
}
- (BOOL)writeSelectionToPasteboard:(NSPasteboard*)pboard types:(NSArray*)types {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
nsAutoRetainCocoaObject kungFuDeathGrip(self);
// Make sure that the service will accept strings or HTML.
if (![types containsObject:[UTIHelper stringFromPboardType:NSStringPboardType]] &&
![types containsObject:[UTIHelper stringFromPboardType:NSPasteboardTypeString]] &&
![types containsObject:[UTIHelper stringFromPboardType:NSPasteboardTypeHTML]]) {
return NO;
}
// Bail out if there is no Gecko object.
if (!mGeckoChild) return NO;
// Transform the transferable to an NSDictionary.
NSDictionary* pasteboardOutputDict = nullptr;
pasteboardOutputDict = nsClipboard::PasteboardDictFromTransferable(nsClipboard::sSelectionCache);
if (!pasteboardOutputDict) return NO;
// Declare the pasteboard types.
unsigned int typeCount = [pasteboardOutputDict count];
NSMutableArray* declaredTypes = [NSMutableArray arrayWithCapacity:typeCount];
[declaredTypes addObjectsFromArray:[pasteboardOutputDict allKeys]];
[pboard declareTypes:declaredTypes owner:nil];
// Write the data to the pasteboard.
for (unsigned int i = 0; i < typeCount; i++) {
NSString* currentKey = [declaredTypes objectAtIndex:i];
id currentValue = [pasteboardOutputDict valueForKey:currentKey];
if ([currentKey isEqualToString:[UTIHelper stringFromPboardType:NSPasteboardTypeString]] ||
[currentKey isEqualToString:[UTIHelper stringFromPboardType:kPublicUrlPboardType]] ||
[currentKey isEqualToString:[UTIHelper stringFromPboardType:kPublicUrlNamePboardType]]) {
[pboard setString:currentValue forType:currentKey];
} else if ([currentKey isEqualToString:[UTIHelper stringFromPboardType:NSPasteboardTypeHTML]]) {
[pboard setString:(nsClipboard::WrapHtmlForSystemPasteboard(currentValue))
forType:currentKey];
} else if ([currentKey isEqualToString:[UTIHelper stringFromPboardType:NSPasteboardTypeTIFF]]) {
[pboard setData:currentValue forType:currentKey];
} else if ([currentKey
isEqualToString:[UTIHelper
stringFromPboardType:(NSString*)
kPasteboardTypeFileURLPromise]] ||
[currentKey
isEqualToString:[UTIHelper stringFromPboardType:kUrlsWithTitlesPboardType]]) {
[pboard setPropertyList:currentValue forType:currentKey];
}
}
return YES;
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(NO);
}
// Called if the service wants us to replace the current selection.
- (BOOL)readSelectionFromPasteboard:(NSPasteboard*)pboard {
nsresult rv;
nsCOMPtr<nsITransferable> trans = do_CreateInstance("@mozilla.org/widget/transferable;1", &rv);
if (NS_FAILED(rv)) return NO;
trans->Init(nullptr);
trans->AddDataFlavor(kUnicodeMime);
trans->AddDataFlavor(kHTMLMime);
rv = nsClipboard::TransferableFromPasteboard(trans, pboard);
if (NS_FAILED(rv)) return NO;
NS_ENSURE_TRUE(mGeckoChild, false);
WidgetContentCommandEvent command(true, eContentCommandPasteTransferable, mGeckoChild);
command.mTransferable = trans;
mGeckoChild->DispatchWindowEvent(command);
return command.mSucceeded && command.mIsEnabled;
}
- (void)pressureChangeWithEvent:(NSEvent*)event {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK
NSInteger stage = [event stage];
if (mLastPressureStage == 1 && stage == 2) {
NSUserDefaults* userDefaults = [NSUserDefaults standardUserDefaults];
if ([userDefaults integerForKey:@"com.apple.trackpad.forceClick"] == 1) {
// This is no public API to get configuration for current force click.
// This is filed as radar 29294285.
[self quickLookWithEvent:event];
}
}
mLastPressureStage = stage;
NS_OBJC_END_TRY_ABORT_BLOCK
}
nsresult nsChildView::GetSelectionAsPlaintext(nsAString& aResult) {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
if (!nsClipboard::sSelectionCache) {
MOZ_ASSERT(aResult.IsEmpty());
return NS_OK;
}
// Get the current chrome or content selection.
NSDictionary* pasteboardOutputDict = nullptr;
pasteboardOutputDict = nsClipboard::PasteboardDictFromTransferable(nsClipboard::sSelectionCache);
if (NS_WARN_IF(!pasteboardOutputDict)) {
return NS_ERROR_FAILURE;
}
// Declare the pasteboard types.
unsigned int typeCount = [pasteboardOutputDict count];
NSMutableArray* declaredTypes = [NSMutableArray arrayWithCapacity:typeCount];
[declaredTypes addObjectsFromArray:[pasteboardOutputDict allKeys]];
NSString* currentKey = [declaredTypes objectAtIndex:0];
NSString* currentValue = [pasteboardOutputDict valueForKey:currentKey];
const char* textSelection = [currentValue UTF8String];
aResult = NS_ConvertUTF8toUTF16(textSelection);
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
#pragma mark -
#ifdef ACCESSIBILITY
/* Every ChildView has a corresponding mozDocAccessible object that is doing all
the heavy lifting. The topmost ChildView corresponds to a mozRootAccessible
object.
All ChildView needs to do is to route all accessibility calls (from the NSAccessibility APIs)
down to its object, pretending that they are the same.
*/
- (id<mozAccessible>)accessible {
if (!mGeckoChild) return nil;
id<mozAccessible> nativeAccessible = nil;
nsAutoRetainCocoaObject kungFuDeathGrip(self);
RefPtr<nsChildView> geckoChild(mGeckoChild);
RefPtr<a11y::Accessible> accessible = geckoChild->GetDocumentAccessible();
if (!accessible) return nil;
accessible->GetNativeInterface((void**)&nativeAccessible);
# ifdef DEBUG_hakan
NSAssert(![nativeAccessible isExpired], @"native acc is expired!!!");
# endif
return nativeAccessible;
}
/* Implementation of formal mozAccessible formal protocol (enabling mozViews
to talk to mozAccessible objects in the accessibility module). */
- (BOOL)hasRepresentedView {
return YES;
}
- (id)representedView {
return self;
}
- (BOOL)isRoot {
return [[self accessible] isRoot];
}
# ifdef DEBUG
- (void)printHierarchy {
[[self accessible] printHierarchy];
}
# endif
# pragma mark -
// general
- (BOOL)accessibilityIsIgnored {
if (!mozilla::a11y::ShouldA11yBeEnabled()) return [super accessibilityIsIgnored];
return [[self accessible] accessibilityIsIgnored];
}
- (id)accessibilityHitTest:(NSPoint)point {
if (!mozilla::a11y::ShouldA11yBeEnabled()) return [super accessibilityHitTest:point];
return [[self accessible] accessibilityHitTest:point];
}
- (id)accessibilityFocusedUIElement {
if (!mozilla::a11y::ShouldA11yBeEnabled()) return [super accessibilityFocusedUIElement];
return [[self accessible] accessibilityFocusedUIElement];
}
// actions
- (NSArray*)accessibilityActionNames {
if (!mozilla::a11y::ShouldA11yBeEnabled()) return [super accessibilityActionNames];
return [[self accessible] accessibilityActionNames];
}
- (NSString*)accessibilityActionDescription:(NSString*)action {
if (!mozilla::a11y::ShouldA11yBeEnabled()) return [super accessibilityActionDescription:action];
return [[self accessible] accessibilityActionDescription:action];
}
- (void)accessibilityPerformAction:(NSString*)action {
if (!mozilla::a11y::ShouldA11yBeEnabled()) return [super accessibilityPerformAction:action];
return [[self accessible] accessibilityPerformAction:action];
}
// attributes
- (NSArray*)accessibilityAttributeNames {
if (!mozilla::a11y::ShouldA11yBeEnabled()) return [super accessibilityAttributeNames];
return [[self accessible] accessibilityAttributeNames];
}
- (BOOL)accessibilityIsAttributeSettable:(NSString*)attribute {
if (!mozilla::a11y::ShouldA11yBeEnabled())
return [super accessibilityIsAttributeSettable:attribute];
return [[self accessible] accessibilityIsAttributeSettable:attribute];
}
- (id)accessibilityAttributeValue:(NSString*)attribute {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
if (!mozilla::a11y::ShouldA11yBeEnabled()) return [super accessibilityAttributeValue:attribute];
id<mozAccessible> accessible = [self accessible];
// if we're the root (topmost) accessible, we need to return our native AXParent as we
// traverse outside to the hierarchy of whoever embeds us. thus, fall back on NSView's
// default implementation for this attribute.
if ([attribute isEqualToString:NSAccessibilityParentAttribute] && [accessible isRoot]) {
id parentAccessible = [super accessibilityAttributeValue:attribute];
return parentAccessible;
}
return [accessible accessibilityAttributeValue:attribute];
NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
}
#endif /* ACCESSIBILITY */
+ (uint32_t)sUniqueKeyEventId {
return sUniqueKeyEventId;
}
+ (NSMutableDictionary*)sNativeKeyEventsMap {
return sNativeKeyEventsMap;
}
@end
@implementation PixelHostingView
- (BOOL)isFlipped {
return YES;
}
- (NSView*)hitTest:(NSPoint)aPoint {
return nil;
}
- (void)drawRect:(NSRect)aRect {
[(ChildView*)[self superview] doDrawRect:aRect];
}
- (BOOL)wantsBestResolutionOpenGLSurface {
return nsCocoaUtils::HiDPIEnabled() ? YES : NO;
}
@end
#pragma mark -
void ChildViewMouseTracker::OnDestroyView(ChildView* aView) {
if (sLastMouseEventView == aView) {
sLastMouseEventView = nil;
[sLastMouseMoveEvent release];
sLastMouseMoveEvent = nil;
}
}
void ChildViewMouseTracker::OnDestroyWindow(NSWindow* aWindow) {
if (sWindowUnderMouse == aWindow) {
sWindowUnderMouse = nil;
}
}
void ChildViewMouseTracker::MouseEnteredWindow(NSEvent* aEvent) {
sWindowUnderMouse = [aEvent window];
ReEvaluateMouseEnterState(aEvent);
}
void ChildViewMouseTracker::MouseExitedWindow(NSEvent* aEvent) {
if (sWindowUnderMouse == [aEvent window]) {
sWindowUnderMouse = nil;
ReEvaluateMouseEnterState(aEvent);
}
}
void ChildViewMouseTracker::ReEvaluateMouseEnterState(NSEvent* aEvent, ChildView* aOldView) {
ChildView* oldView = aOldView ? aOldView : sLastMouseEventView;
sLastMouseEventView = ViewForEvent(aEvent);
if (sLastMouseEventView != oldView) {
// Send enter and / or exit events.
WidgetMouseEvent::ExitFrom exitFrom = [sLastMouseEventView window] == [oldView window]
? WidgetMouseEvent::eChild
: WidgetMouseEvent::eTopLevel;
[oldView sendMouseEnterOrExitEvent:aEvent enter:NO exitFrom:exitFrom];
// After the cursor exits the window set it to a visible regular arrow cursor.
if (exitFrom == WidgetMouseEvent::eTopLevel) {
[[nsCursorManager sharedInstance] setCursor:eCursor_standard];
}
[sLastMouseEventView sendMouseEnterOrExitEvent:aEvent enter:YES exitFrom:exitFrom];
}
}
void ChildViewMouseTracker::ResendLastMouseMoveEvent() {
if (sLastMouseMoveEvent) {
MouseMoved(sLastMouseMoveEvent);
}
}
void ChildViewMouseTracker::MouseMoved(NSEvent* aEvent) {
MouseEnteredWindow(aEvent);
[sLastMouseEventView handleMouseMoved:aEvent];
if (sLastMouseMoveEvent != aEvent) {
[sLastMouseMoveEvent release];
sLastMouseMoveEvent = [aEvent retain];
}
}
void ChildViewMouseTracker::MouseScrolled(NSEvent* aEvent) {
if (!nsCocoaUtils::IsMomentumScrollEvent(aEvent)) {
// Store the position so we can pin future momentum scroll events.
sLastScrollEventScreenLocation = nsCocoaUtils::ScreenLocationForEvent(aEvent);
}
}
ChildView* ChildViewMouseTracker::ViewForEvent(NSEvent* aEvent) {
NSWindow* window = sWindowUnderMouse;
if (!window) return nil;
NSPoint windowEventLocation = nsCocoaUtils::EventLocationForWindow(aEvent, window);
NSView* view = [[[window contentView] superview] hitTest:windowEventLocation];
if (![view isKindOfClass:[ChildView class]]) return nil;
ChildView* childView = (ChildView*)view;
// If childView is being destroyed return nil.
if (![childView widget]) return nil;
return WindowAcceptsEvent(window, aEvent, childView) ? childView : nil;
}
BOOL ChildViewMouseTracker::WindowAcceptsEvent(NSWindow* aWindow, NSEvent* aEvent, ChildView* aView,
BOOL aIsClickThrough) {
// Right mouse down events may get through to all windows, even to a top level
// window with an open sheet.
if (!aWindow || [aEvent type] == NSRightMouseDown) return YES;
id delegate = [aWindow delegate];
if (!delegate || ![delegate isKindOfClass:[WindowDelegate class]]) return YES;
nsIWidget* windowWidget = [(WindowDelegate*)delegate geckoWidget];
if (!windowWidget) return YES;
NSWindow* topLevelWindow = nil;
switch (windowWidget->WindowType()) {
case eWindowType_popup:
// If this is a context menu, it won't have a parent. So we'll always
// accept mouse move events on context menus even when none of our windows
// is active, which is the right thing to do.
// For panels, the parent window is the XUL window that owns the panel.
return WindowAcceptsEvent([aWindow parentWindow], aEvent, aView, aIsClickThrough);
case eWindowType_toplevel:
case eWindowType_dialog:
if ([aWindow attachedSheet]) return NO;
topLevelWindow = aWindow;
break;
case eWindowType_sheet: {
nsIWidget* parentWidget = windowWidget->GetSheetWindowParent();
if (!parentWidget) return YES;
topLevelWindow = (NSWindow*)parentWidget->GetNativeData(NS_NATIVE_WINDOW);
break;
}
default:
return YES;
}
if (!topLevelWindow || ([topLevelWindow isMainWindow] && !aIsClickThrough) ||
[aEvent type] == NSOtherMouseDown ||
(([aEvent modifierFlags] & NSCommandKeyMask) != 0 && [aEvent type] != NSMouseMoved))
return YES;
// If we're here then we're dealing with a left click or mouse move on an
// inactive window or something similar. Ask Gecko what to do.
return [aView inactiveWindowAcceptsMouseEvent:aEvent];
}
#pragma mark -
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