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gecko-dev/widget/cocoa/nsNativeThemeCocoa.mm

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/* -*- Mode: C++; 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 "nsNativeThemeCocoa.h"
#include <objc/NSObjCRuntime.h>
#include "mozilla/gfx/2D.h"
#include "mozilla/gfx/Helpers.h"
#include "mozilla/gfx/PathHelpers.h"
#include "nsChildView.h"
#include "nsDeviceContext.h"
#include "nsLayoutUtils.h"
#include "nsObjCExceptions.h"
#include "nsNumberControlFrame.h"
#include "nsRangeFrame.h"
#include "nsRect.h"
#include "nsSize.h"
#include "nsStyleConsts.h"
#include "nsPresContext.h"
#include "nsIContent.h"
#include "mozilla/dom/Document.h"
#include "nsIFrame.h"
#include "nsAtom.h"
#include "nsNameSpaceManager.h"
#include "nsPresContext.h"
#include "nsGkAtoms.h"
#include "nsCocoaFeatures.h"
#include "nsCocoaWindow.h"
#include "nsNativeBasicTheme.h"
#include "nsNativeThemeColors.h"
#include "nsIScrollableFrame.h"
#include "mozilla/ClearOnShutdown.h"
#include "mozilla/EventStates.h"
#include "mozilla/Range.h"
#include "mozilla/dom/Element.h"
#include "mozilla/dom/HTMLMeterElement.h"
#include "mozilla/layers/StackingContextHelper.h"
#include "mozilla/StaticPrefs_layout.h"
#include "mozilla/StaticPrefs_widget.h"
#include "nsLookAndFeel.h"
#include "MacThemeGeometryType.h"
#include "SDKDeclarations.h"
#include "VibrancyManager.h"
#include "gfxContext.h"
#include "gfxQuartzSurface.h"
#include "gfxQuartzNativeDrawing.h"
#include "gfxUtils.h" // for ToDeviceColor
#include <algorithm>
using namespace mozilla;
using namespace mozilla::gfx;
using mozilla::dom::HTMLMeterElement;
#define DRAW_IN_FRAME_DEBUG 0
#define SCROLLBARS_VISUAL_DEBUG 0
// private Quartz routines needed here
extern "C" {
CG_EXTERN void CGContextSetCTM(CGContextRef, CGAffineTransform);
CG_EXTERN void CGContextSetBaseCTM(CGContextRef, CGAffineTransform);
typedef CFTypeRef CUIRendererRef;
void CUIDraw(CUIRendererRef r, CGRect rect, CGContextRef ctx, CFDictionaryRef options,
CFDictionaryRef* result);
}
// Workaround for NSCell control tint drawing
// Without this workaround, NSCells are always drawn with the clear control tint
// as long as they're not attached to an NSControl which is a subview of an active window.
// XXXmstange Why doesn't Webkit need this?
@implementation NSCell (ControlTintWorkaround)
- (int)_realControlTint {
return [self controlTint];
}
@end
// This is the window for our MOZCellDrawView. When an NSCell is drawn, some NSCell implementations
// look at the draw view's window to determine whether the cell should draw with the active look.
@interface MOZCellDrawWindow : NSWindow
@property BOOL cellsShouldLookActive;
@end
@implementation MOZCellDrawWindow
// Override three different methods, for good measure. The NSCell implementation could call any one
// of them.
- (BOOL)_hasActiveAppearance {
return self.cellsShouldLookActive;
}
- (BOOL)hasKeyAppearance {
return self.cellsShouldLookActive;
}
- (BOOL)_hasKeyAppearance {
return self.cellsShouldLookActive;
}
@end
// The purpose of this class is to provide objects that can be used when drawing
// NSCells using drawWithFrame:inView: without causing any harm. Only a small
// number of methods are called on the draw view, among those "isFlipped" and
// "currentEditor": isFlipped needs to return YES in order to avoid drawing bugs
// on 10.4 (see bug 465069); currentEditor (which isn't even a method of
// NSView) will be called when drawing search fields, and we only provide it in
// order to prevent "unrecognized selector" exceptions.
// There's no need to pass the actual NSView that we're drawing into to
// drawWithFrame:inView:. What's more, doing so even causes unnecessary
// invalidations as soon as we draw a focusring!
// This class needs to be an NSControl so that NSTextFieldCell (and
// NSSearchFieldCell, which is a subclass of NSTextFieldCell) draws a focus ring.
@interface MOZCellDrawView : NSControl
// Called by NSTreeHeaderCell during drawing.
@property BOOL _drawingEndSeparator;
@end
@implementation MOZCellDrawView
- (BOOL)isFlipped {
return YES;
}
- (NSText*)currentEditor {
return nil;
}
@end
static void DrawFocusRingForCellIfNeeded(NSCell* aCell, NSRect aWithFrame, NSView* aInView) {
if ([aCell showsFirstResponder]) {
CGContextRef cgContext = (CGContextRef)[[NSGraphicsContext currentContext] graphicsPort];
CGContextSaveGState(cgContext);
// It's important to set the focus ring style before we enter the
// transparency layer so that the transparency layer only contains
// the normal button mask without the focus ring, and the conversion
// to the focus ring shape happens only when the transparency layer is
// ended.
NSSetFocusRingStyle(NSFocusRingOnly);
// We need to draw the whole button into a transparency layer because
// many button types are composed of multiple parts, and if these parts
// were drawn while the focus ring style was active, each individual part
// would produce a focus ring for itself. But we only want one focus ring
// for the whole button. The transparency layer is a way to merge the
// individual button parts together before the focus ring shape is
// calculated.
CGContextBeginTransparencyLayerWithRect(cgContext, NSRectToCGRect(aWithFrame), 0);
[aCell drawFocusRingMaskWithFrame:aWithFrame inView:aInView];
CGContextEndTransparencyLayer(cgContext);
CGContextRestoreGState(cgContext);
}
}
static void DrawCellIncludingFocusRing(NSCell* aCell, NSRect aWithFrame, NSView* aInView) {
[aCell drawWithFrame:aWithFrame inView:aInView];
DrawFocusRingForCellIfNeeded(aCell, aWithFrame, aInView);
}
/**
* NSProgressBarCell is used to draw progress bars of any size.
*/
@interface NSProgressBarCell : NSCell {
/*All instance variables are private*/
double mValue;
double mMax;
bool mIsIndeterminate;
bool mIsHorizontal;
}
- (void)setValue:(double)value;
- (double)value;
- (void)setMax:(double)max;
- (double)max;
- (void)setIndeterminate:(bool)aIndeterminate;
- (bool)isIndeterminate;
- (void)setHorizontal:(bool)aIsHorizontal;
- (bool)isHorizontal;
- (void)drawWithFrame:(NSRect)cellFrame inView:(NSView*)controlView;
@end
@implementation NSProgressBarCell
- (void)setMax:(double)aMax {
mMax = aMax;
}
- (double)max {
return mMax;
}
- (void)setValue:(double)aValue {
mValue = aValue;
}
- (double)value {
return mValue;
}
- (void)setIndeterminate:(bool)aIndeterminate {
mIsIndeterminate = aIndeterminate;
}
- (bool)isIndeterminate {
return mIsIndeterminate;
}
- (void)setHorizontal:(bool)aIsHorizontal {
mIsHorizontal = aIsHorizontal;
}
- (bool)isHorizontal {
return mIsHorizontal;
}
- (void)drawWithFrame:(NSRect)cellFrame inView:(NSView*)controlView {
CGContext* cgContext = (CGContextRef)[[NSGraphicsContext currentContext] graphicsPort];
HIThemeTrackDrawInfo tdi;
tdi.version = 0;
tdi.min = 0;
tdi.value = INT32_MAX * (mValue / mMax);
tdi.max = INT32_MAX;
tdi.bounds = NSRectToCGRect(cellFrame);
tdi.attributes = mIsHorizontal ? kThemeTrackHorizontal : 0;
tdi.enableState =
[self controlTint] == NSClearControlTint ? kThemeTrackInactive : kThemeTrackActive;
NSControlSize size = [self controlSize];
if (size == NSControlSizeRegular) {
tdi.kind = mIsIndeterminate ? kThemeLargeIndeterminateBar : kThemeLargeProgressBar;
} else {
NS_ASSERTION(size == NSControlSizeSmall,
"We shouldn't have another size than small and regular for the moment");
tdi.kind = mIsIndeterminate ? kThemeMediumIndeterminateBar : kThemeMediumProgressBar;
}
int32_t stepsPerSecond = mIsIndeterminate ? 60 : 30;
int32_t milliSecondsPerStep = 1000 / stepsPerSecond;
tdi.trackInfo.progress.phase =
uint8_t(PR_IntervalToMilliseconds(PR_IntervalNow()) / milliSecondsPerStep);
HIThemeDrawTrack(&tdi, NULL, cgContext, kHIThemeOrientationNormal);
}
@end
@interface MOZSearchFieldCell : NSSearchFieldCell
@property BOOL shouldUseToolbarStyle;
@end
@implementation MOZSearchFieldCell
- (instancetype)init {
// We would like to render a search field which has the magnifying glass icon at the start of the
// search field, and no cancel button.
// On 10.12 and 10.13, empty search fields render the magnifying glass icon in the middle of the
// field. So in order to get the icon to show at the start of the field, we need to give the field
// some content. We achieve this with a single space character.
self = [super initTextCell:@" "];
// However, because the field is now non-empty, by default it shows a cancel button. To hide the
// cancel button, override it with a custom NSButtonCell which renders nothing.
NSButtonCell* invisibleCell = [[NSButtonCell alloc] initImageCell:nil];
invisibleCell.bezeled = NO;
invisibleCell.bordered = NO;
self.cancelButtonCell = invisibleCell;
[invisibleCell release];
return self;
}
- (BOOL)_isToolbarMode {
return self.shouldUseToolbarStyle;
}
@end
#define HITHEME_ORIENTATION kHIThemeOrientationNormal
static CGFloat kMaxFocusRingWidth = 0; // initialized by the nsNativeThemeCocoa constructor
// These enums are for indexing into the margin array.
enum {
leopardOSorlater = 0, // 10.6 - 10.9
yosemiteOSorlater = 1 // 10.10+
};
enum { miniControlSize, smallControlSize, regularControlSize };
enum { leftMargin, topMargin, rightMargin, bottomMargin };
static size_t EnumSizeForCocoaSize(NSControlSize cocoaControlSize) {
if (cocoaControlSize == NSControlSizeMini)
return miniControlSize;
else if (cocoaControlSize == NSControlSizeSmall)
return smallControlSize;
else
return regularControlSize;
}
static NSControlSize CocoaSizeForEnum(int32_t enumControlSize) {
if (enumControlSize == miniControlSize)
return NSControlSizeMini;
else if (enumControlSize == smallControlSize)
return NSControlSizeSmall;
else
return NSControlSizeRegular;
}
static NSString* CUIControlSizeForCocoaSize(NSControlSize aControlSize) {
if (aControlSize == NSControlSizeRegular)
return @"regular";
else if (aControlSize == NSControlSizeSmall)
return @"small";
else
return @"mini";
}
static void InflateControlRect(NSRect* rect, NSControlSize cocoaControlSize,
const float marginSet[][3][4]) {
if (!marginSet) return;
static int osIndex = yosemiteOSorlater;
size_t controlSize = EnumSizeForCocoaSize(cocoaControlSize);
const float* buttonMargins = marginSet[osIndex][controlSize];
rect->origin.x -= buttonMargins[leftMargin];
rect->origin.y -= buttonMargins[bottomMargin];
rect->size.width += buttonMargins[leftMargin] + buttonMargins[rightMargin];
rect->size.height += buttonMargins[bottomMargin] + buttonMargins[topMargin];
}
static NSWindow* NativeWindowForFrame(nsIFrame* aFrame, nsIWidget** aTopLevelWidget = NULL) {
if (!aFrame) return nil;
nsIWidget* widget = aFrame->GetNearestWidget();
if (!widget) return nil;
nsIWidget* topLevelWidget = widget->GetTopLevelWidget();
if (aTopLevelWidget) *aTopLevelWidget = topLevelWidget;
return (NSWindow*)topLevelWidget->GetNativeData(NS_NATIVE_WINDOW);
}
static NSSize WindowButtonsSize(nsIFrame* aFrame) {
NSWindow* window = NativeWindowForFrame(aFrame);
if (!window) {
// Return fallback values.
return NSMakeSize(54, 16);
}
NSRect buttonBox = NSZeroRect;
NSButton* closeButton = [window standardWindowButton:NSWindowCloseButton];
if (closeButton) {
buttonBox = NSUnionRect(buttonBox, [closeButton frame]);
}
NSButton* minimizeButton = [window standardWindowButton:NSWindowMiniaturizeButton];
if (minimizeButton) {
buttonBox = NSUnionRect(buttonBox, [minimizeButton frame]);
}
NSButton* zoomButton = [window standardWindowButton:NSWindowZoomButton];
if (zoomButton) {
buttonBox = NSUnionRect(buttonBox, [zoomButton frame]);
}
return buttonBox.size;
}
static BOOL FrameIsInActiveWindow(nsIFrame* aFrame) {
nsIWidget* topLevelWidget = NULL;
NSWindow* win = NativeWindowForFrame(aFrame, &topLevelWidget);
if (!topLevelWidget || !win) return YES;
// XUL popups, e.g. the toolbar customization popup, can't become key windows,
// but controls in these windows should still get the active look.
if (topLevelWidget->WindowType() == eWindowType_popup) return YES;
if ([win isSheet]) return [win isKeyWindow];
return [win isMainWindow] && ![win attachedSheet];
}
// Toolbar controls and content controls respond to different window
// activeness states.
static BOOL IsActive(nsIFrame* aFrame, BOOL aIsToolbarControl) {
if (aIsToolbarControl) return [NativeWindowForFrame(aFrame) isMainWindow];
return FrameIsInActiveWindow(aFrame);
}
static bool IsInSourceList(nsIFrame* aFrame) {
for (nsIFrame* frame = aFrame->GetParent(); frame;
frame = nsLayoutUtils::GetCrossDocParentFrameInProcess(frame)) {
if (frame->StyleDisplay()->EffectiveAppearance() == StyleAppearance::MozMacSourceList) {
return true;
}
}
return false;
}
NS_IMPL_ISUPPORTS_INHERITED(nsNativeThemeCocoa, nsNativeTheme, nsITheme)
nsNativeThemeCocoa::nsNativeThemeCocoa() {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
kMaxFocusRingWidth = 7;
// provide a local autorelease pool, as this is called during startup
// before the main event-loop pool is in place
nsAutoreleasePool pool;
mDisclosureButtonCell = [[NSButtonCell alloc] initTextCell:@""];
[mDisclosureButtonCell setBezelStyle:NSRoundedDisclosureBezelStyle];
[mDisclosureButtonCell setButtonType:NSPushOnPushOffButton];
[mDisclosureButtonCell setHighlightsBy:NSPushInCellMask];
mHelpButtonCell = [[NSButtonCell alloc] initTextCell:@""];
[mHelpButtonCell setBezelStyle:NSHelpButtonBezelStyle];
[mHelpButtonCell setButtonType:NSMomentaryPushInButton];
[mHelpButtonCell setHighlightsBy:NSPushInCellMask];
mPushButtonCell = [[NSButtonCell alloc] initTextCell:@""];
[mPushButtonCell setButtonType:NSMomentaryPushInButton];
[mPushButtonCell setHighlightsBy:NSPushInCellMask];
mRadioButtonCell = [[NSButtonCell alloc] initTextCell:@""];
[mRadioButtonCell setButtonType:NSRadioButton];
mCheckboxCell = [[NSButtonCell alloc] initTextCell:@""];
[mCheckboxCell setButtonType:NSSwitchButton];
[mCheckboxCell setAllowsMixedState:YES];
mTextFieldCell = [[NSTextFieldCell alloc] initTextCell:@""];
[mTextFieldCell setBezeled:YES];
[mTextFieldCell setEditable:YES];
[mTextFieldCell setFocusRingType:NSFocusRingTypeExterior];
mSearchFieldCell = [[MOZSearchFieldCell alloc] init];
[mSearchFieldCell setBezelStyle:NSTextFieldRoundedBezel];
[mSearchFieldCell setBezeled:YES];
[mSearchFieldCell setEditable:YES];
[mSearchFieldCell setFocusRingType:NSFocusRingTypeExterior];
mDropdownCell = [[NSPopUpButtonCell alloc] initTextCell:@"" pullsDown:NO];
mComboBoxCell = [[NSComboBoxCell alloc] initTextCell:@""];
[mComboBoxCell setBezeled:YES];
[mComboBoxCell setEditable:YES];
[mComboBoxCell setFocusRingType:NSFocusRingTypeExterior];
mProgressBarCell = [[NSProgressBarCell alloc] init];
mMeterBarCell = [[NSLevelIndicatorCell alloc]
initWithLevelIndicatorStyle:NSContinuousCapacityLevelIndicatorStyle];
mTreeHeaderCell = [[NSTableHeaderCell alloc] init];
mCellDrawView = [[MOZCellDrawView alloc] init];
if (XRE_IsParentProcess()) {
// Put the cell draw view into a window that is never shown.
// This allows us to convince some NSCell implementations (such as NSButtonCell for default
// buttons) to draw with the active appearance. Another benefit of putting the draw view in a
// window is the fact that it lets NSTextFieldCell (and its subclass NSSearchFieldCell) inherit
// the current NSApplication effectiveAppearance automatically, so the field adapts to Dark Mode
// correctly.
// We don't create this window when the native theme is used in the content process because
// NSWindow creation runs into the sandbox and because we never run default buttons in content
// processes anyway.
mCellDrawWindow = [[MOZCellDrawWindow alloc] initWithContentRect:NSZeroRect
styleMask:NSWindowStyleMaskBorderless
backing:NSBackingStoreBuffered
defer:NO];
[mCellDrawWindow.contentView addSubview:mCellDrawView];
}
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
nsNativeThemeCocoa::~nsNativeThemeCocoa() {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
[mMeterBarCell release];
[mProgressBarCell release];
[mDisclosureButtonCell release];
[mHelpButtonCell release];
[mPushButtonCell release];
[mRadioButtonCell release];
[mCheckboxCell release];
[mTextFieldCell release];
[mSearchFieldCell release];
[mDropdownCell release];
[mComboBoxCell release];
[mTreeHeaderCell release];
[mCellDrawWindow release];
[mCellDrawView release];
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
// Limit on the area of the target rect (in pixels^2) in
// DrawCellWithScaling() and DrawButton() and above which we
// don't draw the object into a bitmap buffer. This is to avoid crashes in
// [NSGraphicsContext graphicsContextWithGraphicsPort:flipped:] and
// CGContextDrawImage(), and also to avoid very poor drawing performance in
// CGContextDrawImage() when it scales the bitmap (particularly if xscale or
// yscale is less than but near 1 -- e.g. 0.9). This value was determined
// by trial and error, on OS X 10.4.11 and 10.5.4, and on systems with
// different amounts of RAM.
#define BITMAP_MAX_AREA 500000
static int GetBackingScaleFactorForRendering(CGContextRef cgContext) {
CGAffineTransform ctm = CGContextGetUserSpaceToDeviceSpaceTransform(cgContext);
CGRect transformedUserSpacePixel = CGRectApplyAffineTransform(CGRectMake(0, 0, 1, 1), ctm);
float maxScale = std::max(fabs(transformedUserSpacePixel.size.width),
fabs(transformedUserSpacePixel.size.height));
return maxScale > 1.0 ? 2 : 1;
}
/*
* Draw the given NSCell into the given cgContext.
*
* destRect - the size and position of the resulting control rectangle
* controlSize - the NSControlSize which will be given to the NSCell before
* asking it to render
* naturalSize - The natural dimensions of this control.
* If the control rect size is not equal to either of these, a scale
* will be applied to the context so that rendering the control at the
* natural size will result in it filling the destRect space.
* If a control has no natural dimensions in either/both axes, pass 0.0f.
* minimumSize - The minimum dimensions of this control.
* If the control rect size is less than the minimum for a given axis,
* a scale will be applied to the context so that the minimum is used
* for drawing. If a control has no minimum dimensions in either/both
* axes, pass 0.0f.
* marginSet - an array of margins; a multidimensional array of [2][3][4],
* with the first dimension being the OS version (Tiger or Leopard),
* the second being the control size (mini, small, regular), and the third
* being the 4 margin values (left, top, right, bottom).
* view - The NSView that we're drawing into. As far as I can tell, it doesn't
* matter if this is really the right view; it just has to return YES when
* asked for isFlipped. Otherwise we'll get drawing bugs on 10.4.
* mirrorHorizontal - whether to mirror the cell horizontally
*/
static void DrawCellWithScaling(NSCell* cell, CGContextRef cgContext, const HIRect& destRect,
NSControlSize controlSize, NSSize naturalSize, NSSize minimumSize,
const float marginSet[][3][4], NSView* view,
BOOL mirrorHorizontal) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
NSRect drawRect =
NSMakeRect(destRect.origin.x, destRect.origin.y, destRect.size.width, destRect.size.height);
if (naturalSize.width != 0.0f) drawRect.size.width = naturalSize.width;
if (naturalSize.height != 0.0f) drawRect.size.height = naturalSize.height;
// Keep aspect ratio when scaling if one dimension is free.
if (naturalSize.width == 0.0f && naturalSize.height != 0.0f)
drawRect.size.width = destRect.size.width * naturalSize.height / destRect.size.height;
if (naturalSize.height == 0.0f && naturalSize.width != 0.0f)
drawRect.size.height = destRect.size.height * naturalSize.width / destRect.size.width;
// Honor minimum sizes.
if (drawRect.size.width < minimumSize.width) drawRect.size.width = minimumSize.width;
if (drawRect.size.height < minimumSize.height) drawRect.size.height = minimumSize.height;
[NSGraphicsContext saveGraphicsState];
// Only skip the buffer if the area of our cell (in pixels^2) is too large.
if (drawRect.size.width * drawRect.size.height > BITMAP_MAX_AREA) {
// Inflate the rect Gecko gave us by the margin for the control.
InflateControlRect(&drawRect, controlSize, marginSet);
NSGraphicsContext* savedContext = [NSGraphicsContext currentContext];
[NSGraphicsContext
setCurrentContext:[NSGraphicsContext graphicsContextWithGraphicsPort:cgContext
flipped:YES]];
DrawCellIncludingFocusRing(cell, drawRect, view);
[NSGraphicsContext setCurrentContext:savedContext];
} else {
float w = ceil(drawRect.size.width);
float h = ceil(drawRect.size.height);
NSRect tmpRect = NSMakeRect(kMaxFocusRingWidth, kMaxFocusRingWidth, w, h);
// inflate to figure out the frame we need to tell NSCell to draw in, to get something that's
// 0,0,w,h
InflateControlRect(&tmpRect, controlSize, marginSet);
// and then, expand by kMaxFocusRingWidth size to make sure we can capture any focus ring
w += kMaxFocusRingWidth * 2.0;
h += kMaxFocusRingWidth * 2.0;
int backingScaleFactor = GetBackingScaleFactorForRendering(cgContext);
CGColorSpaceRef rgb = CGColorSpaceCreateDeviceRGB();
CGContextRef ctx = CGBitmapContextCreate(
NULL, (int)w * backingScaleFactor, (int)h * backingScaleFactor, 8,
(int)w * backingScaleFactor * 4, rgb, kCGImageAlphaPremultipliedFirst);
CGColorSpaceRelease(rgb);
// We need to flip the image twice in order to avoid drawing bugs on 10.4, see bug 465069.
// This is the first flip transform, applied to cgContext.
CGContextScaleCTM(cgContext, 1.0f, -1.0f);
CGContextTranslateCTM(cgContext, 0.0f, -(2.0 * destRect.origin.y + destRect.size.height));
if (mirrorHorizontal) {
CGContextScaleCTM(cgContext, -1.0f, 1.0f);
CGContextTranslateCTM(cgContext, -(2.0 * destRect.origin.x + destRect.size.width), 0.0f);
}
NSGraphicsContext* savedContext = [NSGraphicsContext currentContext];
[NSGraphicsContext setCurrentContext:[NSGraphicsContext graphicsContextWithGraphicsPort:ctx
flipped:YES]];
CGContextScaleCTM(ctx, backingScaleFactor, backingScaleFactor);
// Set the context's "base transform" to in order to get correctly-sized focus rings.
CGContextSetBaseCTM(ctx, CGAffineTransformMakeScale(backingScaleFactor, backingScaleFactor));
// This is the second flip transform, applied to ctx.
CGContextScaleCTM(ctx, 1.0f, -1.0f);
CGContextTranslateCTM(ctx, 0.0f, -(2.0 * tmpRect.origin.y + tmpRect.size.height));
DrawCellIncludingFocusRing(cell, tmpRect, view);
[NSGraphicsContext setCurrentContext:savedContext];
CGImageRef img = CGBitmapContextCreateImage(ctx);
// Drop the image into the original destination rectangle, scaling to fit
// Only scale kMaxFocusRingWidth by xscale/yscale when the resulting rect
// doesn't extend beyond the overflow rect
float xscale = destRect.size.width / drawRect.size.width;
float yscale = destRect.size.height / drawRect.size.height;
float scaledFocusRingX = xscale < 1.0f ? kMaxFocusRingWidth * xscale : kMaxFocusRingWidth;
float scaledFocusRingY = yscale < 1.0f ? kMaxFocusRingWidth * yscale : kMaxFocusRingWidth;
CGContextDrawImage(
cgContext,
CGRectMake(destRect.origin.x - scaledFocusRingX, destRect.origin.y - scaledFocusRingY,
destRect.size.width + scaledFocusRingX * 2,
destRect.size.height + scaledFocusRingY * 2),
img);
CGImageRelease(img);
CGContextRelease(ctx);
}
[NSGraphicsContext restoreGraphicsState];
#if DRAW_IN_FRAME_DEBUG
CGContextSetRGBFillColor(cgContext, 0.0, 0.0, 0.5, 0.25);
CGContextFillRect(cgContext, destRect);
#endif
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
struct CellRenderSettings {
// The natural dimensions of the control.
// If a control has no natural dimensions in either/both axes, set to 0.0f.
NSSize naturalSizes[3];
// The minimum dimensions of the control.
// If a control has no minimum dimensions in either/both axes, set to 0.0f.
NSSize minimumSizes[3];
// A three-dimensional array,
// with the first dimension being the OS version ([0] 10.6-10.9, [1] 10.10 and above),
// the second being the control size (mini, small, regular), and the third
// being the 4 margin values (left, top, right, bottom).
float margins[2][3][4];
};
/*
* This is a helper method that returns the required NSControlSize given a size
* and the size of the three controls plus a tolerance.
* size - The width or the height of the element to draw.
* sizes - An array with the all the width/height of the element for its
* different sizes.
* tolerance - The tolerance as passed to DrawCellWithSnapping.
* NOTE: returns NSControlSizeRegular if all values in 'sizes' are zero.
*/
static NSControlSize FindControlSize(CGFloat size, const CGFloat* sizes, CGFloat tolerance) {
for (uint32_t i = miniControlSize; i <= regularControlSize; ++i) {
if (sizes[i] == 0) {
continue;
}
CGFloat next = 0;
// Find next value.
for (uint32_t j = i + 1; j <= regularControlSize; ++j) {
if (sizes[j] != 0) {
next = sizes[j];
break;
}
}
// If it's the latest value, we pick it.
if (next == 0) {
return CocoaSizeForEnum(i);
}
if (size <= sizes[i] + tolerance && size < next) {
return CocoaSizeForEnum(i);
}
}
// If we are here, that means sizes[] was an array with only empty values
// or the algorithm above is wrong.
// The former can happen but the later would be wrong.
NS_ASSERTION(sizes[0] == 0 && sizes[1] == 0 && sizes[2] == 0,
"We found no control! We shouldn't be there!");
return CocoaSizeForEnum(regularControlSize);
}
/*
* Draw the given NSCell into the given cgContext with a nice control size.
*
* This function is similar to DrawCellWithScaling, but it decides what
* control size to use based on the destRect's size.
* Scaling is only applied when the difference between the destRect's size
* and the next smaller natural size is greater than snapTolerance. Otherwise
* it snaps to the next smaller control size without scaling because unscaled
* controls look nicer.
*/
static void DrawCellWithSnapping(NSCell* cell, CGContextRef cgContext, const HIRect& destRect,
const CellRenderSettings settings, float verticalAlignFactor,
NSView* view, BOOL mirrorHorizontal, float snapTolerance = 2.0f) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
const float rectWidth = destRect.size.width, rectHeight = destRect.size.height;
const NSSize* sizes = settings.naturalSizes;
const NSSize miniSize = sizes[EnumSizeForCocoaSize(NSControlSizeMini)];
const NSSize smallSize = sizes[EnumSizeForCocoaSize(NSControlSizeSmall)];
const NSSize regularSize = sizes[EnumSizeForCocoaSize(NSControlSizeRegular)];
HIRect drawRect = destRect;
CGFloat controlWidths[3] = {miniSize.width, smallSize.width, regularSize.width};
NSControlSize controlSizeX = FindControlSize(rectWidth, controlWidths, snapTolerance);
CGFloat controlHeights[3] = {miniSize.height, smallSize.height, regularSize.height};
NSControlSize controlSizeY = FindControlSize(rectHeight, controlHeights, snapTolerance);
NSControlSize controlSize = NSControlSizeRegular;
size_t sizeIndex = 0;
// At some sizes, don't scale but snap.
const NSControlSize smallerControlSize =
EnumSizeForCocoaSize(controlSizeX) < EnumSizeForCocoaSize(controlSizeY) ? controlSizeX
: controlSizeY;
const size_t smallerControlSizeIndex = EnumSizeForCocoaSize(smallerControlSize);
const NSSize size = sizes[smallerControlSizeIndex];
float diffWidth = size.width ? rectWidth - size.width : 0.0f;
float diffHeight = size.height ? rectHeight - size.height : 0.0f;
if (diffWidth >= 0.0f && diffHeight >= 0.0f && diffWidth <= snapTolerance &&
diffHeight <= snapTolerance) {
// Snap to the smaller control size.
controlSize = smallerControlSize;
sizeIndex = smallerControlSizeIndex;
MOZ_ASSERT(sizeIndex < ArrayLength(settings.naturalSizes));
// Resize and center the drawRect.
if (sizes[sizeIndex].width) {
drawRect.origin.x += ceil((destRect.size.width - sizes[sizeIndex].width) / 2);
drawRect.size.width = sizes[sizeIndex].width;
}
if (sizes[sizeIndex].height) {
drawRect.origin.y +=
floor((destRect.size.height - sizes[sizeIndex].height) * verticalAlignFactor);
drawRect.size.height = sizes[sizeIndex].height;
}
} else {
// Use the larger control size.
controlSize = EnumSizeForCocoaSize(controlSizeX) > EnumSizeForCocoaSize(controlSizeY)
? controlSizeX
: controlSizeY;
sizeIndex = EnumSizeForCocoaSize(controlSize);
}
[cell setControlSize:controlSize];
MOZ_ASSERT(sizeIndex < ArrayLength(settings.minimumSizes));
const NSSize minimumSize = settings.minimumSizes[sizeIndex];
DrawCellWithScaling(cell, cgContext, drawRect, controlSize, sizes[sizeIndex], minimumSize,
settings.margins, view, mirrorHorizontal);
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
@interface NSWindow (CoreUIRendererPrivate)
+ (CUIRendererRef)coreUIRenderer;
@end
@interface NSObject (NSAppearanceCoreUIRendering)
- (void)_drawInRect:(CGRect)rect context:(CGContextRef)cgContext options:(id)options;
@end
static void RenderWithCoreUI(CGRect aRect, CGContextRef cgContext, NSDictionary* aOptions,
bool aSkipAreaCheck = false) {
if (!aSkipAreaCheck && aRect.size.width * aRect.size.height > BITMAP_MAX_AREA) {
return;
}
NSAppearance* appearance = NSAppearance.currentAppearance;
if (appearance && [appearance respondsToSelector:@selector(_drawInRect:context:options:)]) {
// Render through NSAppearance on Mac OS 10.10 and up. This will call
// CUIDraw with a CoreUI renderer that will give us the correct 10.10
// style. Calling CUIDraw directly with [NSWindow coreUIRenderer] still
// renders 10.9-style widgets on 10.10.
[appearance _drawInRect:aRect context:cgContext options:aOptions];
} else {
// 10.9 and below
CUIRendererRef renderer =
[NSWindow respondsToSelector:@selector(coreUIRenderer)] ? [NSWindow coreUIRenderer] : nil;
CUIDraw(renderer, aRect, cgContext, (CFDictionaryRef)aOptions, NULL);
}
}
static float VerticalAlignFactor(nsIFrame* aFrame) {
if (!aFrame) return 0.5f; // default: center
const auto& va = aFrame->StyleDisplay()->mVerticalAlign;
auto kw = va.IsKeyword() ? va.AsKeyword() : StyleVerticalAlignKeyword::Middle;
switch (kw) {
case StyleVerticalAlignKeyword::Top:
case StyleVerticalAlignKeyword::TextTop:
return 0.0f;
case StyleVerticalAlignKeyword::Sub:
case StyleVerticalAlignKeyword::Super:
case StyleVerticalAlignKeyword::Middle:
case StyleVerticalAlignKeyword::MozMiddleWithBaseline:
return 0.5f;
case StyleVerticalAlignKeyword::Baseline:
case StyleVerticalAlignKeyword::Bottom:
case StyleVerticalAlignKeyword::TextBottom:
return 1.0f;
default:
MOZ_ASSERT_UNREACHABLE("invalid vertical-align");
return 0.5f;
}
}
static void ApplyControlParamsToNSCell(nsNativeThemeCocoa::ControlParams aControlParams,
NSCell* aCell) {
[aCell setEnabled:!aControlParams.disabled];
[aCell setShowsFirstResponder:(aControlParams.focused && !aControlParams.disabled &&
aControlParams.insideActiveWindow)];
[aCell setHighlighted:aControlParams.pressed];
}
// These are the sizes that Gecko needs to request to draw if it wants
// to get a standard-sized Aqua radio button drawn. Note that the rects
// that draw these are actually a little bigger.
static const CellRenderSettings radioSettings = {{
NSMakeSize(11, 11), // mini
NSMakeSize(13, 13), // small
NSMakeSize(16, 16) // regular
},
{NSZeroSize, NSZeroSize, NSZeroSize},
{{
// Leopard
{0, 0, 0, 0}, // mini
{0, 1, 1, 1}, // small
{0, 0, 0, 0} // regular
},
{
// Yosemite
{0, 0, 0, 0}, // mini
{1, 1, 1, 2}, // small
{0, 0, 0, 0} // regular
}}};
static const CellRenderSettings checkboxSettings = {{
NSMakeSize(11, 11), // mini
NSMakeSize(13, 13), // small
NSMakeSize(16, 16) // regular
},
{NSZeroSize, NSZeroSize, NSZeroSize},
{{
// Leopard
{0, 1, 0, 0}, // mini
{0, 1, 0, 1}, // small
{0, 1, 0, 1} // regular
},
{
// Yosemite
{0, 1, 0, 0}, // mini
{0, 1, 0, 1}, // small
{0, 1, 0, 1} // regular
}}};
static NSCellStateValue CellStateForCheckboxOrRadioState(
nsNativeThemeCocoa::CheckboxOrRadioState aState) {
switch (aState) {
case nsNativeThemeCocoa::CheckboxOrRadioState::eOff:
return NSOffState;
case nsNativeThemeCocoa::CheckboxOrRadioState::eOn:
return NSOnState;
case nsNativeThemeCocoa::CheckboxOrRadioState::eIndeterminate:
return NSMixedState;
}
}
void nsNativeThemeCocoa::DrawCheckboxOrRadio(CGContextRef cgContext, bool inCheckbox,
const HIRect& inBoxRect,
const CheckboxOrRadioParams& aParams) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
NSButtonCell* cell = inCheckbox ? mCheckboxCell : mRadioButtonCell;
ApplyControlParamsToNSCell(aParams.controlParams, cell);
[cell setState:CellStateForCheckboxOrRadioState(aParams.state)];
[cell setControlTint:(aParams.controlParams.insideActiveWindow ? [NSColor currentControlTint]
: NSClearControlTint)];
// Ensure that the control is square.
float length = std::min(inBoxRect.size.width, inBoxRect.size.height);
HIRect drawRect = CGRectMake(inBoxRect.origin.x + (int)((inBoxRect.size.width - length) / 2.0f),
inBoxRect.origin.y + (int)((inBoxRect.size.height - length) / 2.0f),
length, length);
if (mCellDrawWindow) {
mCellDrawWindow.cellsShouldLookActive = aParams.controlParams.insideActiveWindow;
}
DrawCellWithSnapping(cell, cgContext, drawRect, inCheckbox ? checkboxSettings : radioSettings,
aParams.verticalAlignFactor, mCellDrawView, NO);
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
static const CellRenderSettings searchFieldSettings = {{
NSMakeSize(0, 16), // mini
NSMakeSize(0, 19), // small
NSMakeSize(0, 22) // regular
},
{
NSMakeSize(32, 0), // mini
NSMakeSize(38, 0), // small
NSMakeSize(44, 0) // regular
},
{{
// Leopard
{0, 0, 0, 0}, // mini
{0, 0, 0, 0}, // small
{0, 0, 0, 0} // regular
},
{
// Yosemite
{0, 0, 0, 0}, // mini
{0, 0, 0, 0}, // small
{0, 0, 0, 0} // regular
}}};
static bool IsToolbarStyleContainer(nsIFrame* aFrame) {
nsIContent* content = aFrame->GetContent();
if (!content) {
return false;
}
if (content->IsAnyOfXULElements(nsGkAtoms::toolbar, nsGkAtoms::toolbox, nsGkAtoms::statusbar)) {
return true;
}
switch (aFrame->StyleDisplay()->EffectiveAppearance()) {
case StyleAppearance::Toolbar:
case StyleAppearance::Statusbar:
return true;
default:
return false;
}
}
static bool IsInsideToolbar(nsIFrame* aFrame) {
for (nsIFrame* frame = aFrame; frame; frame = frame->GetParent()) {
if (IsToolbarStyleContainer(frame)) {
return true;
}
}
return false;
}
nsNativeThemeCocoa::TextFieldParams nsNativeThemeCocoa::ComputeTextFieldParams(
nsIFrame* aFrame, EventStates aEventState) {
TextFieldParams params;
params.insideToolbar = IsInsideToolbar(aFrame);
params.disabled = IsDisabled(aFrame, aEventState);
// See ShouldUnconditionallyDrawFocusRingIfFocused.
params.focused = aEventState.HasState(NS_EVENT_STATE_FOCUS);
// XUL textboxes set the native appearance on the containing box, while
// concrete focus is set on the html:input element within it. We can
// though, check the focused attribute of xul textboxes in this case.
// On Mac, focus rings are always shown for textboxes, so we do not need
// to check the window's focus ring state here
if (aFrame->GetContent()->IsXULElement() && IsFocused(aFrame)) {
params.focused = true;
}
params.rtl = IsFrameRTL(aFrame);
params.verticalAlignFactor = VerticalAlignFactor(aFrame);
return params;
}
void nsNativeThemeCocoa::DrawTextField(CGContextRef cgContext, const HIRect& inBoxRect,
const TextFieldParams& aParams) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
NSTextFieldCell* cell = mTextFieldCell;
[cell setEnabled:!aParams.disabled];
[cell setShowsFirstResponder:aParams.focused];
if (mCellDrawWindow) {
mCellDrawWindow.cellsShouldLookActive = YES; // TODO: propagate correct activeness state
}
DrawCellWithSnapping(cell, cgContext, inBoxRect, searchFieldSettings, aParams.verticalAlignFactor,
mCellDrawView, aParams.rtl);
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
void nsNativeThemeCocoa::DrawSearchField(CGContextRef cgContext, const HIRect& inBoxRect,
const TextFieldParams& aParams) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
mSearchFieldCell.enabled = !aParams.disabled;
mSearchFieldCell.showsFirstResponder = aParams.focused;
mSearchFieldCell.placeholderString = @"";
mSearchFieldCell.shouldUseToolbarStyle = aParams.insideToolbar;
if (mCellDrawWindow) {
mCellDrawWindow.cellsShouldLookActive = YES; // TODO: propagate correct activeness state
}
DrawCellWithSnapping(mSearchFieldCell, cgContext, inBoxRect, searchFieldSettings,
aParams.verticalAlignFactor, mCellDrawView, aParams.rtl);
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
static const NSSize kCheckmarkSize = NSMakeSize(11, 11);
static const NSSize kMenuarrowSize = NSMakeSize(9, 10);
static const NSSize kMenuScrollArrowSize = NSMakeSize(10, 8);
static NSString* kCheckmarkImage = @"MenuOnState";
static NSString* kMenuarrowRightImage = @"MenuSubmenu";
static NSString* kMenuarrowLeftImage = @"MenuSubmenuLeft";
static NSString* kMenuDownScrollArrowImage = @"MenuScrollDown";
static NSString* kMenuUpScrollArrowImage = @"MenuScrollUp";
static const CGFloat kMenuIconIndent = 6.0f;
NSString* nsNativeThemeCocoa::GetMenuIconName(const MenuIconParams& aParams) {
switch (aParams.icon) {
case MenuIcon::eCheckmark:
return kCheckmarkImage;
case MenuIcon::eMenuArrow:
return aParams.rtl ? kMenuarrowLeftImage : kMenuarrowRightImage;
case MenuIcon::eMenuDownScrollArrow:
return kMenuDownScrollArrowImage;
case MenuIcon::eMenuUpScrollArrow:
return kMenuUpScrollArrowImage;
}
}
NSSize nsNativeThemeCocoa::GetMenuIconSize(MenuIcon aIcon) {
switch (aIcon) {
case MenuIcon::eCheckmark:
return kCheckmarkSize;
case MenuIcon::eMenuArrow:
return kMenuarrowSize;
case MenuIcon::eMenuDownScrollArrow:
case MenuIcon::eMenuUpScrollArrow:
return kMenuScrollArrowSize;
}
}
nsNativeThemeCocoa::MenuIconParams nsNativeThemeCocoa::ComputeMenuIconParams(
nsIFrame* aFrame, EventStates aEventState, MenuIcon aIcon) {
bool isDisabled = IsDisabled(aFrame, aEventState);
MenuIconParams params;
params.icon = aIcon;
params.disabled = isDisabled;
params.insideActiveMenuItem = !isDisabled && CheckBooleanAttr(aFrame, nsGkAtoms::menuactive);
params.centerHorizontally = true;
params.rtl = IsFrameRTL(aFrame);
return params;
}
void nsNativeThemeCocoa::DrawMenuIcon(CGContextRef cgContext, const CGRect& aRect,
const MenuIconParams& aParams) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
NSSize size = GetMenuIconSize(aParams.icon);
// Adjust size and position of our drawRect.
CGFloat paddingX = std::max(CGFloat(0.0), aRect.size.width - size.width);
CGFloat paddingY = std::max(CGFloat(0.0), aRect.size.height - size.height);
CGFloat paddingStartX = std::min(paddingX, kMenuIconIndent);
CGFloat paddingEndX = std::max(CGFloat(0.0), paddingX - kMenuIconIndent);
CGRect drawRect = CGRectMake(aRect.origin.x + (aParams.centerHorizontally ? ceil(paddingX / 2)
: aParams.rtl ? paddingEndX
: paddingStartX),
aRect.origin.y + ceil(paddingY / 2), size.width, size.height);
NSString* state =
aParams.disabled ? @"disabled" : (aParams.insideActiveMenuItem ? @"pressed" : @"normal");
NSString* imageName = GetMenuIconName(aParams);
RenderWithCoreUI(
drawRect, cgContext,
[NSDictionary dictionaryWithObjectsAndKeys:@"kCUIBackgroundTypeMenu", @"backgroundTypeKey",
imageName, @"imageNameKey", state, @"state",
@"image", @"widget", [NSNumber numberWithBool:YES],
@"is.flipped", nil]);
#if DRAW_IN_FRAME_DEBUG
CGContextSetRGBFillColor(cgContext, 0.0, 0.0, 0.5, 0.25);
CGContextFillRect(cgContext, drawRect);
#endif
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
nsNativeThemeCocoa::MenuItemParams nsNativeThemeCocoa::ComputeMenuItemParams(
nsIFrame* aFrame, EventStates aEventState, bool aIsChecked) {
bool isDisabled = IsDisabled(aFrame, aEventState);
MenuItemParams params;
params.checked = aIsChecked;
params.disabled = isDisabled;
params.selected = !isDisabled && CheckBooleanAttr(aFrame, nsGkAtoms::menuactive);
params.rtl = IsFrameRTL(aFrame);
return params;
}
void nsNativeThemeCocoa::DrawMenuItem(CGContextRef cgContext, const CGRect& inBoxRect,
const MenuItemParams& aParams) {
if (aParams.checked) {
MenuIconParams params;
params.disabled = aParams.disabled;
params.insideActiveMenuItem = aParams.selected;
params.rtl = aParams.rtl;
params.icon = MenuIcon::eCheckmark;
DrawMenuIcon(cgContext, inBoxRect, params);
}
}
void nsNativeThemeCocoa::DrawMenuSeparator(CGContextRef cgContext, const CGRect& inBoxRect,
const MenuItemParams& aParams) {
// Workaround for visual artifacts issues with
// HIThemeDrawMenuSeparator on macOS Big Sur.
if (nsCocoaFeatures::OnBigSurOrLater()) {
CGRect separatorRect = inBoxRect;
separatorRect.size.height = 1;
separatorRect.size.width -= 42;
separatorRect.origin.x += 21;
// Use transparent black with an alpha similar to the native separator.
// The values 231 (menu background) and 205 (separator color) have been
// sampled from a window screenshot of a native context menu.
CGContextSetRGBFillColor(cgContext, 0.0, 0.0, 0.0, (231 - 205) / 231.0);
CGContextFillRect(cgContext, separatorRect);
return;
}
ThemeMenuState menuState;
if (aParams.disabled) {
menuState = kThemeMenuDisabled;
} else {
menuState = aParams.selected ? kThemeMenuSelected : kThemeMenuActive;
}
HIThemeMenuItemDrawInfo midi = {0, kThemeMenuItemPlain, menuState};
HIThemeDrawMenuSeparator(&inBoxRect, &inBoxRect, &midi, cgContext, HITHEME_ORIENTATION);
}
static bool ShouldUnconditionallyDrawFocusRingIfFocused(nsIFrame* aFrame) {
// Mac always draws focus rings for textboxes and lists.
switch (aFrame->StyleDisplay()->EffectiveAppearance()) {
case StyleAppearance::NumberInput:
case StyleAppearance::Textfield:
case StyleAppearance::Textarea:
case StyleAppearance::Searchfield:
case StyleAppearance::Listbox:
return true;
default:
return false;
}
}
nsNativeThemeCocoa::ControlParams nsNativeThemeCocoa::ComputeControlParams(
nsIFrame* aFrame, EventStates aEventState) {
ControlParams params;
params.disabled = IsDisabled(aFrame, aEventState);
params.insideActiveWindow = FrameIsInActiveWindow(aFrame);
params.pressed = aEventState.HasAllStates(NS_EVENT_STATE_ACTIVE | NS_EVENT_STATE_HOVER);
params.focused = aEventState.HasState(NS_EVENT_STATE_FOCUS) &&
(aEventState.HasState(NS_EVENT_STATE_FOCUSRING) ||
ShouldUnconditionallyDrawFocusRingIfFocused(aFrame));
params.rtl = IsFrameRTL(aFrame);
return params;
}
static const NSSize kHelpButtonSize = NSMakeSize(20, 20);
static const NSSize kDisclosureButtonSize = NSMakeSize(21, 21);
static const CellRenderSettings pushButtonSettings = {{
NSMakeSize(0, 16), // mini
NSMakeSize(0, 19), // small
NSMakeSize(0, 22) // regular
},
{
NSMakeSize(18, 0), // mini
NSMakeSize(26, 0), // small
NSMakeSize(30, 0) // regular
},
{{
// Leopard
{0, 0, 0, 0}, // mini
{4, 0, 4, 1}, // small
{5, 0, 5, 2} // regular
},
{
// Yosemite
{0, 0, 0, 0}, // mini
{4, 0, 4, 1}, // small
{5, 0, 5, 2} // regular
}}};
// The height at which we start doing square buttons instead of rounded buttons
// Rounded buttons look bad if drawn at a height greater than 26, so at that point
// we switch over to doing square buttons which looks fine at any size.
#define DO_SQUARE_BUTTON_HEIGHT 26
void nsNativeThemeCocoa::DrawPushButton(CGContextRef cgContext, const HIRect& inBoxRect,
ButtonType aButtonType, ControlParams aControlParams) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
ApplyControlParamsToNSCell(aControlParams, mPushButtonCell);
[mPushButtonCell setBezelStyle:NSRoundedBezelStyle];
mPushButtonCell.keyEquivalent = aButtonType == ButtonType::eDefaultPushButton ? @"\r" : @"";
if (mCellDrawWindow) {
mCellDrawWindow.cellsShouldLookActive = aControlParams.insideActiveWindow;
}
DrawCellWithSnapping(mPushButtonCell, cgContext, inBoxRect, pushButtonSettings, 0.5f,
mCellDrawView, aControlParams.rtl, 1.0f);
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
void nsNativeThemeCocoa::DrawSquareBezelPushButton(CGContextRef cgContext, const HIRect& inBoxRect,
ControlParams aControlParams) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
ApplyControlParamsToNSCell(aControlParams, mPushButtonCell);
[mPushButtonCell setBezelStyle:NSShadowlessSquareBezelStyle];
if (mCellDrawWindow) {
mCellDrawWindow.cellsShouldLookActive = aControlParams.insideActiveWindow;
}
DrawCellWithScaling(mPushButtonCell, cgContext, inBoxRect, NSControlSizeRegular, NSZeroSize,
NSMakeSize(14, 0), NULL, mCellDrawView, aControlParams.rtl);
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
void nsNativeThemeCocoa::DrawHelpButton(CGContextRef cgContext, const HIRect& inBoxRect,
ControlParams aControlParams) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
ApplyControlParamsToNSCell(aControlParams, mHelpButtonCell);
if (mCellDrawWindow) {
mCellDrawWindow.cellsShouldLookActive = aControlParams.insideActiveWindow;
}
DrawCellWithScaling(mHelpButtonCell, cgContext, inBoxRect, NSControlSizeRegular, NSZeroSize,
kHelpButtonSize, NULL, mCellDrawView,
false); // Don't mirror icon in RTL.
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
void nsNativeThemeCocoa::DrawDisclosureButton(CGContextRef cgContext, const HIRect& inBoxRect,
ControlParams aControlParams,
NSCellStateValue aCellState) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
ApplyControlParamsToNSCell(aControlParams, mDisclosureButtonCell);
[mDisclosureButtonCell setState:aCellState];
if (mCellDrawWindow) {
mCellDrawWindow.cellsShouldLookActive = aControlParams.insideActiveWindow;
}
DrawCellWithScaling(mDisclosureButtonCell, cgContext, inBoxRect, NSControlSizeRegular, NSZeroSize,
kDisclosureButtonSize, NULL, mCellDrawView,
false); // Don't mirror icon in RTL.
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
void nsNativeThemeCocoa::DrawFocusOutline(CGContextRef cgContext, const HIRect& inBoxRect) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
NSGraphicsContext* savedContext = [NSGraphicsContext currentContext];
[NSGraphicsContext setCurrentContext:[NSGraphicsContext graphicsContextWithGraphicsPort:cgContext
flipped:YES]];
CGContextSaveGState(cgContext);
NSSetFocusRingStyle(NSFocusRingOnly);
NSRectFill(NSRectFromCGRect(inBoxRect));
CGContextRestoreGState(cgContext);
[NSGraphicsContext setCurrentContext:savedContext];
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
typedef void (*RenderHIThemeControlFunction)(CGContextRef cgContext, const HIRect& aRenderRect,
void* aData);
static void RenderTransformedHIThemeControl(CGContextRef aCGContext, const HIRect& aRect,
RenderHIThemeControlFunction aFunc, void* aData,
BOOL mirrorHorizontally = NO) {
CGAffineTransform savedCTM = CGContextGetCTM(aCGContext);
CGContextTranslateCTM(aCGContext, aRect.origin.x, aRect.origin.y);
bool drawDirect;
HIRect drawRect = aRect;
drawRect.origin = CGPointZero;
if (!mirrorHorizontally && savedCTM.a == 1.0f && savedCTM.b == 0.0f && savedCTM.c == 0.0f &&
(savedCTM.d == 1.0f || savedCTM.d == -1.0f)) {
drawDirect = TRUE;
} else {
drawDirect = FALSE;
}
// Fall back to no bitmap buffer if the area of our control (in pixels^2)
// is too large.
if (drawDirect || (aRect.size.width * aRect.size.height > BITMAP_MAX_AREA)) {
aFunc(aCGContext, drawRect, aData);
} else {
// Inflate the buffer to capture focus rings.
int w = ceil(drawRect.size.width) + 2 * kMaxFocusRingWidth;
int h = ceil(drawRect.size.height) + 2 * kMaxFocusRingWidth;
int backingScaleFactor = GetBackingScaleFactorForRendering(aCGContext);
CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
CGContextRef bitmapctx = CGBitmapContextCreate(
NULL, w * backingScaleFactor, h * backingScaleFactor, 8, w * backingScaleFactor * 4,
colorSpace, kCGImageAlphaPremultipliedFirst);
CGColorSpaceRelease(colorSpace);
CGContextScaleCTM(bitmapctx, backingScaleFactor, backingScaleFactor);
CGContextTranslateCTM(bitmapctx, kMaxFocusRingWidth, kMaxFocusRingWidth);
// Set the context's "base transform" to in order to get correctly-sized focus rings.
CGContextSetBaseCTM(bitmapctx,
CGAffineTransformMakeScale(backingScaleFactor, backingScaleFactor));
// HITheme always wants to draw into a flipped context, or things
// get confused.
CGContextTranslateCTM(bitmapctx, 0.0f, aRect.size.height);
CGContextScaleCTM(bitmapctx, 1.0f, -1.0f);
aFunc(bitmapctx, drawRect, aData);
CGImageRef bitmap = CGBitmapContextCreateImage(bitmapctx);
CGAffineTransform ctm = CGContextGetCTM(aCGContext);
// We need to unflip, so that we can do a DrawImage without getting a flipped image.
CGContextTranslateCTM(aCGContext, 0.0f, aRect.size.height);
CGContextScaleCTM(aCGContext, 1.0f, -1.0f);
if (mirrorHorizontally) {
CGContextTranslateCTM(aCGContext, aRect.size.width, 0);
CGContextScaleCTM(aCGContext, -1.0f, 1.0f);
}
HIRect inflatedDrawRect = CGRectMake(-kMaxFocusRingWidth, -kMaxFocusRingWidth, w, h);
CGContextDrawImage(aCGContext, inflatedDrawRect, bitmap);
CGContextSetCTM(aCGContext, ctm);
CGImageRelease(bitmap);
CGContextRelease(bitmapctx);
}
CGContextSetCTM(aCGContext, savedCTM);
}
static void RenderButton(CGContextRef cgContext, const HIRect& aRenderRect, void* aData) {
HIThemeButtonDrawInfo* bdi = (HIThemeButtonDrawInfo*)aData;
HIThemeDrawButton(&aRenderRect, bdi, cgContext, kHIThemeOrientationNormal, NULL);
}
static ThemeDrawState ToThemeDrawState(const nsNativeThemeCocoa::ControlParams& aParams) {
if (aParams.disabled) {
return kThemeStateUnavailable;
}
if (aParams.pressed) {
return kThemeStatePressed;
}
return kThemeStateActive;
}
void nsNativeThemeCocoa::DrawHIThemeButton(CGContextRef cgContext, const HIRect& aRect,
ThemeButtonKind aKind, ThemeButtonValue aValue,
ThemeDrawState aState, ThemeButtonAdornment aAdornment,
const ControlParams& aParams) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
HIThemeButtonDrawInfo bdi;
bdi.version = 0;
bdi.kind = aKind;
bdi.value = aValue;
bdi.state = aState;
bdi.adornment = aAdornment;
if (aParams.focused && aParams.insideActiveWindow) {
bdi.adornment |= kThemeAdornmentFocus;
}
RenderTransformedHIThemeControl(cgContext, aRect, RenderButton, &bdi, aParams.rtl);
#if DRAW_IN_FRAME_DEBUG
CGContextSetRGBFillColor(cgContext, 0.0, 0.0, 0.5, 0.25);
CGContextFillRect(cgContext, inBoxRect);
#endif
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
void nsNativeThemeCocoa::DrawButton(CGContextRef cgContext, const HIRect& inBoxRect,
const ButtonParams& aParams) {
ControlParams controlParams = aParams.controlParams;
switch (aParams.button) {
case ButtonType::eRegularPushButton:
case ButtonType::eDefaultPushButton:
DrawPushButton(cgContext, inBoxRect, aParams.button, controlParams);
return;
case ButtonType::eSquareBezelPushButton:
DrawSquareBezelPushButton(cgContext, inBoxRect, controlParams);
return;
case ButtonType::eArrowButton:
DrawHIThemeButton(cgContext, inBoxRect, kThemeArrowButton, kThemeButtonOn,
kThemeStateUnavailable, kThemeAdornmentArrowDownArrow, controlParams);
return;
case ButtonType::eHelpButton:
DrawHelpButton(cgContext, inBoxRect, controlParams);
return;
case ButtonType::eTreeTwistyPointingRight:
DrawHIThemeButton(cgContext, inBoxRect, kThemeDisclosureButton, kThemeDisclosureRight,
ToThemeDrawState(controlParams), kThemeAdornmentNone, controlParams);
return;
case ButtonType::eTreeTwistyPointingDown:
DrawHIThemeButton(cgContext, inBoxRect, kThemeDisclosureButton, kThemeDisclosureDown,
ToThemeDrawState(controlParams), kThemeAdornmentNone, controlParams);
return;
case ButtonType::eDisclosureButtonClosed:
DrawDisclosureButton(cgContext, inBoxRect, controlParams, NSOffState);
return;
case ButtonType::eDisclosureButtonOpen:
DrawDisclosureButton(cgContext, inBoxRect, controlParams, NSOnState);
return;
}
}
nsNativeThemeCocoa::TreeHeaderCellParams nsNativeThemeCocoa::ComputeTreeHeaderCellParams(
nsIFrame* aFrame, EventStates aEventState) {
TreeHeaderCellParams params;
params.controlParams = ComputeControlParams(aFrame, aEventState);
params.sortDirection = GetTreeSortDirection(aFrame);
params.lastTreeHeaderCell = IsLastTreeHeaderCell(aFrame);
return params;
}
@interface NSTableHeaderCell (NSTableHeaderCell_setSortable)
// This method has been present in the same form since at least macOS 10.4.
- (void)_setSortable:(BOOL)arg1
showSortIndicator:(BOOL)arg2
ascending:(BOOL)arg3
priority:(NSInteger)arg4
highlightForSort:(BOOL)arg5;
@end
void nsNativeThemeCocoa::DrawTreeHeaderCell(CGContextRef cgContext, const HIRect& inBoxRect,
const TreeHeaderCellParams& aParams) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
// Without clearing the cell's title, it takes on a default value of "Field",
// which is displayed underneath the title set in the front-end.
NSCell* cell = (NSCell*)mTreeHeaderCell;
cell.title = @"";
if ([mTreeHeaderCell respondsToSelector:@selector
(_setSortable:showSortIndicator:ascending:priority:highlightForSort:)]) {
switch (aParams.sortDirection) {
case eTreeSortDirection_Ascending:
[mTreeHeaderCell _setSortable:YES
showSortIndicator:YES
ascending:YES
priority:0
highlightForSort:YES];
break;
case eTreeSortDirection_Descending:
[mTreeHeaderCell _setSortable:YES
showSortIndicator:YES
ascending:NO
priority:0
highlightForSort:YES];
break;
default:
// eTreeSortDirection_Natural
[mTreeHeaderCell _setSortable:YES
showSortIndicator:NO
ascending:YES
priority:0
highlightForSort:NO];
break;
}
}
mTreeHeaderCell.enabled = !aParams.controlParams.disabled;
mTreeHeaderCell.state =
(mTreeHeaderCell.enabled && aParams.controlParams.pressed) ? NSOnState : NSOffState;
mCellDrawView._drawingEndSeparator = !aParams.lastTreeHeaderCell;
NSGraphicsContext* savedContext = NSGraphicsContext.currentContext;
NSGraphicsContext.currentContext = [NSGraphicsContext graphicsContextWithCGContext:cgContext
flipped:YES];
DrawCellIncludingFocusRing(mTreeHeaderCell, inBoxRect, mCellDrawView);
NSGraphicsContext.currentContext = savedContext;
#if DRAW_IN_FRAME_DEBUG
CGContextSetRGBFillColor(cgContext, 0.0, 0.0, 0.5, 0.25);
CGContextFillRect(cgContext, inBoxRect);
#endif
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
static const CellRenderSettings dropdownSettings = {{
NSMakeSize(0, 16), // mini
NSMakeSize(0, 19), // small
NSMakeSize(0, 22) // regular
},
{
NSMakeSize(18, 0), // mini
NSMakeSize(38, 0), // small
NSMakeSize(44, 0) // regular
},
{{
// Leopard
{1, 1, 2, 1}, // mini
{3, 0, 3, 1}, // small
{3, 0, 3, 0} // regular
},
{
// Yosemite
{1, 1, 2, 1}, // mini
{3, 0, 3, 1}, // small
{3, 0, 3, 0} // regular
}}};
static const CellRenderSettings editableMenulistSettings = {{
NSMakeSize(0, 15), // mini
NSMakeSize(0, 18), // small
NSMakeSize(0, 21) // regular
},
{
NSMakeSize(18, 0), // mini
NSMakeSize(38, 0), // small
NSMakeSize(44, 0) // regular
},
{{
// Leopard
{0, 0, 2, 2}, // mini
{0, 0, 3, 2}, // small
{0, 1, 3, 3} // regular
},
{
// Yosemite
{0, 0, 2, 2}, // mini
{0, 0, 3, 2}, // small
{0, 1, 3, 3} // regular
}}};
void nsNativeThemeCocoa::DrawDropdown(CGContextRef cgContext, const HIRect& inBoxRect,
const DropdownParams& aParams) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
[mDropdownCell setPullsDown:aParams.pullsDown];
NSCell* cell = aParams.editable ? (NSCell*)mComboBoxCell : (NSCell*)mDropdownCell;
ApplyControlParamsToNSCell(aParams.controlParams, cell);
if (aParams.controlParams.insideActiveWindow) {
[cell setControlTint:[NSColor currentControlTint]];
} else {
[cell setControlTint:NSClearControlTint];
}
const CellRenderSettings& settings =
aParams.editable ? editableMenulistSettings : dropdownSettings;
if (mCellDrawWindow) {
mCellDrawWindow.cellsShouldLookActive = aParams.controlParams.insideActiveWindow;
}
DrawCellWithSnapping(cell, cgContext, inBoxRect, settings, 0.5f, mCellDrawView,
aParams.controlParams.rtl);
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
static const CellRenderSettings spinnerSettings = {
{
NSMakeSize(11, 16), // mini (width trimmed by 2px to reduce blank border)
NSMakeSize(15, 22), // small
NSMakeSize(19, 27) // regular
},
{
NSMakeSize(11, 16), // mini (width trimmed by 2px to reduce blank border)
NSMakeSize(15, 22), // small
NSMakeSize(19, 27) // regular
},
{{
// Leopard
{0, 0, 0, 0}, // mini
{0, 0, 0, 0}, // small
{0, 0, 0, 0} // regular
},
{
// Yosemite
{0, 0, 0, 0}, // mini
{0, 0, 0, 0}, // small
{0, 0, 0, 0} // regular
}}};
HIThemeButtonDrawInfo nsNativeThemeCocoa::SpinButtonDrawInfo(ThemeButtonKind aKind,
const SpinButtonParams& aParams) {
HIThemeButtonDrawInfo bdi;
bdi.version = 0;
bdi.kind = aKind;
bdi.value = kThemeButtonOff;
bdi.adornment = kThemeAdornmentNone;
if (aParams.disabled) {
bdi.state = kThemeStateUnavailable;
} else if (aParams.insideActiveWindow && aParams.pressedButton) {
if (*aParams.pressedButton == SpinButton::eUp) {
bdi.state = kThemeStatePressedUp;
} else {
bdi.state = kThemeStatePressedDown;
}
} else {
bdi.state = kThemeStateActive;
}
return bdi;
}
void nsNativeThemeCocoa::DrawSpinButtons(CGContextRef cgContext, const HIRect& inBoxRect,
const SpinButtonParams& aParams) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
HIThemeButtonDrawInfo bdi = SpinButtonDrawInfo(kThemeIncDecButton, aParams);
HIThemeDrawButton(&inBoxRect, &bdi, cgContext, HITHEME_ORIENTATION, NULL);
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
void nsNativeThemeCocoa::DrawSpinButton(CGContextRef cgContext, const HIRect& inBoxRect,
SpinButton aDrawnButton, const SpinButtonParams& aParams) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
HIThemeButtonDrawInfo bdi = SpinButtonDrawInfo(kThemeIncDecButtonMini, aParams);
// Cocoa only allows kThemeIncDecButton to paint the up and down spin buttons
// together as a single unit (presumably because when one button is active,
// the appearance of both changes (in different ways)). Here we have to paint
// both buttons, using clip to hide the one we don't want to paint.
HIRect drawRect = inBoxRect;
drawRect.size.height *= 2;
if (aDrawnButton == SpinButton::eDown) {
drawRect.origin.y -= inBoxRect.size.height;
}
// Shift the drawing a little to the left, since cocoa paints with more
// blank space around the visual buttons than we'd like:
drawRect.origin.x -= 1;
CGContextSaveGState(cgContext);
CGContextClipToRect(cgContext, inBoxRect);
HIThemeDrawButton(&drawRect, &bdi, cgContext, HITHEME_ORIENTATION, NULL);
CGContextRestoreGState(cgContext);
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
static const CellRenderSettings progressSettings[2][2] = {
// Vertical progress bar.
{// Determined settings.
{{
NSZeroSize, // mini
NSMakeSize(10, 0), // small
NSMakeSize(16, 0) // regular
},
{NSZeroSize, NSZeroSize, NSZeroSize},
{{
// Leopard
{0, 0, 0, 0}, // mini
{1, 1, 1, 1}, // small
{1, 1, 1, 1} // regular
}}},
// There is no horizontal margin in regular undetermined size.
{{
NSZeroSize, // mini
NSMakeSize(10, 0), // small
NSMakeSize(16, 0) // regular
},
{NSZeroSize, NSZeroSize, NSZeroSize},
{{
// Leopard
{0, 0, 0, 0}, // mini
{1, 1, 1, 1}, // small
{1, 0, 1, 0} // regular
},
{
// Yosemite
{0, 0, 0, 0}, // mini
{1, 1, 1, 1}, // small
{1, 0, 1, 0} // regular
}}}},
// Horizontal progress bar.
{// Determined settings.
{{
NSZeroSize, // mini
NSMakeSize(0, 10), // small
NSMakeSize(0, 16) // regular
},
{NSZeroSize, NSZeroSize, NSZeroSize},
{{
// Leopard
{0, 0, 0, 0}, // mini
{1, 1, 1, 1}, // small
{1, 1, 1, 1} // regular
},
{
// Yosemite
{0, 0, 0, 0}, // mini
{1, 1, 1, 1}, // small
{1, 1, 1, 1} // regular
}}},
// There is no horizontal margin in regular undetermined size.
{{
NSZeroSize, // mini
NSMakeSize(0, 10), // small
NSMakeSize(0, 16) // regular
},
{NSZeroSize, NSZeroSize, NSZeroSize},
{{
// Leopard
{0, 0, 0, 0}, // mini
{1, 1, 1, 1}, // small
{0, 1, 0, 1} // regular
},
{
// Yosemite
{0, 0, 0, 0}, // mini
{1, 1, 1, 1}, // small
{0, 1, 0, 1} // regular
}}}}};
nsNativeThemeCocoa::ProgressParams nsNativeThemeCocoa::ComputeProgressParams(
nsIFrame* aFrame, EventStates aEventState, bool aIsHorizontal) {
ProgressParams params;
params.value = GetProgressValue(aFrame);
params.max = GetProgressMaxValue(aFrame);
params.verticalAlignFactor = VerticalAlignFactor(aFrame);
params.insideActiveWindow = FrameIsInActiveWindow(aFrame);
params.indeterminate = IsIndeterminateProgress(aFrame, aEventState);
params.horizontal = aIsHorizontal;
params.rtl = IsFrameRTL(aFrame);
return params;
}
void nsNativeThemeCocoa::DrawProgress(CGContextRef cgContext, const HIRect& inBoxRect,
const ProgressParams& aParams) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
NSProgressBarCell* cell = mProgressBarCell;
[cell setValue:aParams.value];
[cell setMax:aParams.max];
[cell setIndeterminate:aParams.indeterminate];
[cell setHorizontal:aParams.horizontal];
[cell setControlTint:(aParams.insideActiveWindow ? [NSColor currentControlTint]
: NSClearControlTint)];
if (mCellDrawWindow) {
mCellDrawWindow.cellsShouldLookActive = aParams.insideActiveWindow;
}
DrawCellWithSnapping(cell, cgContext, inBoxRect,
progressSettings[aParams.horizontal][aParams.indeterminate],
aParams.verticalAlignFactor, mCellDrawView, aParams.rtl);
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
static const CellRenderSettings meterSetting = {{
NSMakeSize(0, 16), // mini
NSMakeSize(0, 16), // small
NSMakeSize(0, 16) // regular
},
{NSZeroSize, NSZeroSize, NSZeroSize},
{{
// Leopard
{1, 1, 1, 1}, // mini
{1, 1, 1, 1}, // small
{1, 1, 1, 1} // regular
},
{
// Yosemite
{1, 1, 1, 1}, // mini
{1, 1, 1, 1}, // small
{1, 1, 1, 1} // regular
}}};
nsNativeThemeCocoa::MeterParams nsNativeThemeCocoa::ComputeMeterParams(nsIFrame* aFrame) {
nsIContent* content = aFrame->GetContent();
if (!(content && content->IsHTMLElement(nsGkAtoms::meter))) {
return MeterParams();
}
HTMLMeterElement* meterElement = static_cast<HTMLMeterElement*>(content);
MeterParams params;
params.value = meterElement->Value();
params.min = meterElement->Min();
params.max = meterElement->Max();
EventStates states = meterElement->State();
if (states.HasState(NS_EVENT_STATE_SUB_OPTIMUM)) {
params.optimumState = OptimumState::eSubOptimum;
} else if (states.HasState(NS_EVENT_STATE_SUB_SUB_OPTIMUM)) {
params.optimumState = OptimumState::eSubSubOptimum;
}
params.horizontal = !IsVerticalMeter(aFrame);
params.verticalAlignFactor = VerticalAlignFactor(aFrame);
params.rtl = IsFrameRTL(aFrame);
return params;
}
void nsNativeThemeCocoa::DrawMeter(CGContextRef cgContext, const HIRect& inBoxRect,
const MeterParams& aParams) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK
NSLevelIndicatorCell* cell = mMeterBarCell;
[cell setMinValue:aParams.min];
[cell setMaxValue:aParams.max];
[cell setDoubleValue:aParams.value];
/**
* The way HTML and Cocoa defines the meter/indicator widget are different.
* So, we are going to use a trick to get the Cocoa widget showing what we
* are expecting: we set the warningValue or criticalValue to the current
* value when we want to have the widget to be in the warning or critical
* state.
*/
switch (aParams.optimumState) {
case OptimumState::eOptimum:
[cell setWarningValue:aParams.max + 1];
[cell setCriticalValue:aParams.max + 1];
break;
case OptimumState::eSubOptimum:
[cell setWarningValue:aParams.value];
[cell setCriticalValue:aParams.max + 1];
break;
case OptimumState::eSubSubOptimum:
[cell setWarningValue:aParams.max + 1];
[cell setCriticalValue:aParams.value];
break;
}
HIRect rect = CGRectStandardize(inBoxRect);
BOOL vertical = !aParams.horizontal;
CGContextSaveGState(cgContext);
if (vertical) {
/**
* Cocoa doesn't provide a vertical meter bar so to show one, we have to
* show a rotated horizontal meter bar.
* Given that we want to show a vertical meter bar, we assume that the rect
* has vertical dimensions but we can't correctly draw a meter widget inside
* such a rectangle so we need to inverse width and height (and re-position)
* to get a rectangle with horizontal dimensions.
* Finally, we want to show a vertical meter so we want to rotate the result
* so it is vertical. We do that by changing the context.
*/
CGFloat tmp = rect.size.width;
rect.size.width = rect.size.height;
rect.size.height = tmp;
rect.origin.x += rect.size.height / 2.f - rect.size.width / 2.f;
rect.origin.y += rect.size.width / 2.f - rect.size.height / 2.f;
CGContextTranslateCTM(cgContext, CGRectGetMidX(rect), CGRectGetMidY(rect));
CGContextRotateCTM(cgContext, -M_PI / 2.f);
CGContextTranslateCTM(cgContext, -CGRectGetMidX(rect), -CGRectGetMidY(rect));
}
if (mCellDrawWindow) {
mCellDrawWindow.cellsShouldLookActive = YES; // TODO: propagate correct activeness state
}
DrawCellWithSnapping(cell, cgContext, rect, meterSetting, aParams.verticalAlignFactor,
mCellDrawView, !vertical && aParams.rtl);
CGContextRestoreGState(cgContext);
NS_OBJC_END_TRY_IGNORE_BLOCK
}
void nsNativeThemeCocoa::DrawTabPanel(CGContextRef cgContext, const HIRect& inBoxRect,
bool aIsInsideActiveWindow) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
HIThemeTabPaneDrawInfo tpdi;
tpdi.version = 1;
tpdi.state = aIsInsideActiveWindow ? kThemeStateActive : kThemeStateInactive;
tpdi.direction = kThemeTabNorth;
tpdi.size = kHIThemeTabSizeNormal;
tpdi.kind = kHIThemeTabKindNormal;
HIThemeDrawTabPane(&inBoxRect, &tpdi, cgContext, HITHEME_ORIENTATION);
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
Maybe<nsNativeThemeCocoa::ScaleParams> nsNativeThemeCocoa::ComputeHTMLScaleParams(
nsIFrame* aFrame, EventStates aEventState) {
nsRangeFrame* rangeFrame = do_QueryFrame(aFrame);
if (!rangeFrame) {
return Nothing();
}
bool isHorizontal = IsRangeHorizontal(aFrame);
// ScaleParams requires integer min, max and value. This is purely for
// drawing, so we normalize to a range 0-1000 here.
ScaleParams params;
params.value = int32_t(rangeFrame->GetValueAsFractionOfRange() * 1000);
params.min = 0;
params.max = 1000;
params.reverse = !isHorizontal || rangeFrame->IsRightToLeft();
params.insideActiveWindow = FrameIsInActiveWindow(aFrame);
params.focused = aEventState.HasState(NS_EVENT_STATE_FOCUSRING);
params.disabled = IsDisabled(aFrame, aEventState);
params.horizontal = isHorizontal;
return Some(params);
}
void nsNativeThemeCocoa::DrawScale(CGContextRef cgContext, const HIRect& inBoxRect,
const ScaleParams& aParams) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
HIThemeTrackDrawInfo tdi;
tdi.version = 0;
tdi.kind = kThemeMediumSlider;
tdi.bounds = inBoxRect;
tdi.min = aParams.min;
tdi.max = aParams.max;
tdi.value = aParams.value;
tdi.attributes = kThemeTrackShowThumb;
if (aParams.horizontal) {
tdi.attributes |= kThemeTrackHorizontal;
}
if (aParams.reverse) {
tdi.attributes |= kThemeTrackRightToLeft;
}
if (aParams.focused) {
tdi.attributes |= kThemeTrackHasFocus;
}
if (aParams.disabled) {
tdi.enableState = kThemeTrackDisabled;
} else {
tdi.enableState = aParams.insideActiveWindow ? kThemeTrackActive : kThemeTrackInactive;
}
tdi.trackInfo.slider.thumbDir = kThemeThumbPlain;
tdi.trackInfo.slider.pressState = 0;
HIThemeDrawTrack(&tdi, NULL, cgContext, HITHEME_ORIENTATION);
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
nsIFrame* nsNativeThemeCocoa::SeparatorResponsibility(nsIFrame* aBefore, nsIFrame* aAfter) {
// Usually a separator is drawn by the segment to the right of the
// separator, but pressed and selected segments have higher priority.
if (!aBefore || !aAfter) return nullptr;
if (IsSelectedButton(aAfter)) return aAfter;
if (IsSelectedButton(aBefore) || IsPressedButton(aBefore)) return aBefore;
return aAfter;
}
static CGRect SeparatorAdjustedRect(CGRect aRect, nsNativeThemeCocoa::SegmentParams aParams) {
// A separator between two segments should always be located in the leftmost
// pixel column of the segment to the right of the separator, regardless of
// who ends up drawing it.
// CoreUI draws the separators inside the drawing rect.
if (!aParams.atLeftEnd && !aParams.drawsLeftSeparator) {
// The segment to the left of us draws the separator, so we need to make
// room for it.
aRect.origin.x += 1;
aRect.size.width -= 1;
}
if (aParams.drawsRightSeparator) {
// We draw the right separator, so we need to extend the draw rect into the
// segment to our right.
aRect.size.width += 1;
}
return aRect;
}
static NSString* ToolbarButtonPosition(BOOL aIsFirst, BOOL aIsLast) {
if (aIsFirst) {
if (aIsLast) return @"kCUISegmentPositionOnly";
return @"kCUISegmentPositionFirst";
}
if (aIsLast) return @"kCUISegmentPositionLast";
return @"kCUISegmentPositionMiddle";
}
struct SegmentedControlRenderSettings {
const CGFloat* heights;
const NSString* widgetName;
};
static const CGFloat tabHeights[3] = {17, 20, 23};
static const SegmentedControlRenderSettings tabRenderSettings = {tabHeights, @"tab"};
static const CGFloat toolbarButtonHeights[3] = {15, 18, 22};
static const SegmentedControlRenderSettings toolbarButtonRenderSettings = {
toolbarButtonHeights, @"kCUIWidgetButtonSegmentedSCurve"};
nsNativeThemeCocoa::SegmentParams nsNativeThemeCocoa::ComputeSegmentParams(
nsIFrame* aFrame, EventStates aEventState, SegmentType aSegmentType) {
SegmentParams params;
params.segmentType = aSegmentType;
params.insideActiveWindow = FrameIsInActiveWindow(aFrame);
params.pressed = IsPressedButton(aFrame);
params.selected = IsSelectedButton(aFrame);
params.focused = aEventState.HasState(NS_EVENT_STATE_FOCUSRING);
bool isRTL = IsFrameRTL(aFrame);
nsIFrame* left = GetAdjacentSiblingFrameWithSameAppearance(aFrame, isRTL);
nsIFrame* right = GetAdjacentSiblingFrameWithSameAppearance(aFrame, !isRTL);
params.atLeftEnd = !left;
params.atRightEnd = !right;
params.drawsLeftSeparator = SeparatorResponsibility(left, aFrame) == aFrame;
params.drawsRightSeparator = SeparatorResponsibility(aFrame, right) == aFrame;
params.rtl = isRTL;
return params;
}
static SegmentedControlRenderSettings RenderSettingsForSegmentType(
nsNativeThemeCocoa::SegmentType aSegmentType) {
switch (aSegmentType) {
case nsNativeThemeCocoa::SegmentType::eToolbarButton:
return toolbarButtonRenderSettings;
case nsNativeThemeCocoa::SegmentType::eTab:
return tabRenderSettings;
}
}
void nsNativeThemeCocoa::DrawSegment(CGContextRef cgContext, const HIRect& inBoxRect,
const SegmentParams& aParams) {
SegmentedControlRenderSettings renderSettings = RenderSettingsForSegmentType(aParams.segmentType);
NSControlSize controlSize = FindControlSize(inBoxRect.size.height, renderSettings.heights, 4.0f);
CGRect drawRect = SeparatorAdjustedRect(inBoxRect, aParams);
NSDictionary* dict = @{
@"widget" : renderSettings.widgetName,
@"kCUIPresentationStateKey" : (aParams.insideActiveWindow ? @"kCUIPresentationStateActiveKey"
: @"kCUIPresentationStateInactive"),
@"kCUIPositionKey" : ToolbarButtonPosition(aParams.atLeftEnd, aParams.atRightEnd),
@"kCUISegmentLeadingSeparatorKey" : [NSNumber numberWithBool:aParams.drawsLeftSeparator],
@"kCUISegmentTrailingSeparatorKey" : [NSNumber numberWithBool:aParams.drawsRightSeparator],
@"value" : [NSNumber numberWithBool:aParams.selected],
@"state" :
(aParams.pressed ? @"pressed" : (aParams.insideActiveWindow ? @"normal" : @"inactive")),
@"focus" : [NSNumber numberWithBool:aParams.focused],
@"size" : CUIControlSizeForCocoaSize(controlSize),
@"is.flipped" : [NSNumber numberWithBool:YES],
@"direction" : @"up"
};
RenderWithCoreUI(drawRect, cgContext, dict);
}
void nsNativeThemeCocoa::DrawToolbar(CGContextRef cgContext, const CGRect& inBoxRect,
bool aIsMain) {
CGRect drawRect = inBoxRect;
// top border
drawRect.size.height = 1.0f;
DrawNativeGreyColorInRect(cgContext, toolbarTopBorderGrey, drawRect, aIsMain);
// background
drawRect.origin.y += drawRect.size.height;
drawRect.size.height = inBoxRect.size.height - 2.0f;
DrawNativeGreyColorInRect(cgContext, toolbarFillGrey, drawRect, aIsMain);
// bottom border
drawRect.origin.y += drawRect.size.height;
drawRect.size.height = 1.0f;
DrawNativeGreyColorInRect(cgContext, toolbarBottomBorderGrey, drawRect, aIsMain);
}
static bool ToolbarCanBeUnified(const gfx::Rect& aRect, NSWindow* aWindow) {
if (![aWindow isKindOfClass:[ToolbarWindow class]]) return false;
ToolbarWindow* win = (ToolbarWindow*)aWindow;
float unifiedToolbarHeight = [win unifiedToolbarHeight];
return aRect.X() == 0 && aRect.Width() >= [win frame].size.width &&
aRect.YMost() <= unifiedToolbarHeight;
}
void nsNativeThemeCocoa::DrawStatusBar(CGContextRef cgContext, const HIRect& inBoxRect,
bool aIsMain) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
if (inBoxRect.size.height < 2.0f) return;
CGContextSaveGState(cgContext);
CGContextClipToRect(cgContext, inBoxRect);
// kCUIWidgetWindowFrame draws a complete window frame with both title bar
// and bottom bar. We only want the bottom bar, so we extend the draw rect
// upwards to make space for the title bar, and then we clip it away.
CGRect drawRect = inBoxRect;
const int extendUpwards = 40;
drawRect.origin.y -= extendUpwards;
drawRect.size.height += extendUpwards;
RenderWithCoreUI(
drawRect, cgContext,
[NSDictionary
dictionaryWithObjectsAndKeys:@"kCUIWidgetWindowFrame", @"widget", @"regularwin",
@"windowtype", (aIsMain ? @"normal" : @"inactive"), @"state",
[NSNumber numberWithInt:inBoxRect.size.height],
@"kCUIWindowFrameBottomBarHeightKey",
[NSNumber numberWithBool:YES],
@"kCUIWindowFrameDrawBottomBarSeparatorKey",
[NSNumber numberWithBool:YES], @"is.flipped", nil]);
CGContextRestoreGState(cgContext);
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
static void RenderResizer(CGContextRef cgContext, const HIRect& aRenderRect, void* aData) {
HIThemeGrowBoxDrawInfo* drawInfo = (HIThemeGrowBoxDrawInfo*)aData;
HIThemeDrawGrowBox(&CGPointZero, drawInfo, cgContext, kHIThemeOrientationNormal);
}
void nsNativeThemeCocoa::DrawResizer(CGContextRef cgContext, const HIRect& aRect, bool aIsRTL) {
NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
HIThemeGrowBoxDrawInfo drawInfo;
drawInfo.version = 0;
drawInfo.state = kThemeStateActive;
drawInfo.kind = kHIThemeGrowBoxKindNormal;
drawInfo.direction = kThemeGrowRight | kThemeGrowDown;
drawInfo.size = kHIThemeGrowBoxSizeNormal;
RenderTransformedHIThemeControl(cgContext, aRect, RenderResizer, &drawInfo, aIsRTL);
NS_OBJC_END_TRY_IGNORE_BLOCK;
}
void nsNativeThemeCocoa::DrawMultilineTextField(CGContextRef cgContext, const CGRect& inBoxRect,
bool aIsFocused) {
mTextFieldCell.enabled = YES;
mTextFieldCell.showsFirstResponder = aIsFocused;
if (mCellDrawWindow) {
mCellDrawWindow.cellsShouldLookActive = YES;
}
// DrawCellIncludingFocusRing draws into the current NSGraphicsContext, so do the usual
// save+restore dance.
NSGraphicsContext* savedContext = NSGraphicsContext.currentContext;
NSGraphicsContext.currentContext = [NSGraphicsContext graphicsContextWithCGContext:cgContext
flipped:YES];
DrawCellIncludingFocusRing(mTextFieldCell, inBoxRect, mCellDrawView);
NSGraphicsContext.currentContext = savedContext;
}
void nsNativeThemeCocoa::DrawSourceListSelection(CGContextRef aContext, const CGRect& aRect,
bool aWindowIsActive, bool aSelectionIsActive) {
NSColor* fillColor;
if (aSelectionIsActive) {
// Active selection, blue or graphite.
fillColor = ControlAccentColor();
} else {
// Inactive selection, gray.
if (aWindowIsActive) {
fillColor = [NSColor colorWithWhite:0.871 alpha:1.0];
} else {
fillColor = [NSColor colorWithWhite:0.808 alpha:1.0];
}
}
CGContextSetFillColorWithColor(aContext, [fillColor CGColor]);
CGContextFillRect(aContext, aRect);
}
static bool IsHiDPIContext(nsDeviceContext* aContext) {
return AppUnitsPerCSSPixel() >= 2 * aContext->AppUnitsPerDevPixelAtUnitFullZoom();
}
Maybe<nsNativeThemeCocoa::WidgetInfo> nsNativeThemeCocoa::ComputeWidgetInfo(
nsIFrame* aFrame, StyleAppearance aAppearance, const nsRect& aRect) {
NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
// setup to draw into the correct port
int32_t p2a = aFrame->PresContext()->AppUnitsPerDevPixel();
gfx::Rect nativeWidgetRect(aRect.x, aRect.y, aRect.width, aRect.height);
nativeWidgetRect.Scale(1.0 / gfxFloat(p2a));
float originalHeight = nativeWidgetRect.Height();
nativeWidgetRect.Round();
if (nativeWidgetRect.IsEmpty()) {
return Nothing(); // Don't attempt to draw invisible widgets.
}
bool hidpi = IsHiDPIContext(aFrame->PresContext()->DeviceContext());
if (hidpi) {
// Use high-resolution drawing.
nativeWidgetRect.Scale(0.5f);
originalHeight *= 0.5f;
}
EventStates eventState = GetContentState(aFrame, aAppearance);
switch (aAppearance) {
case StyleAppearance::Menupopup:
return Nothing();
case StyleAppearance::Menuarrow:
return Some(
WidgetInfo::MenuIcon(ComputeMenuIconParams(aFrame, eventState, MenuIcon::eMenuArrow)));
case StyleAppearance::Menuitem:
case StyleAppearance::Checkmenuitem:
return Some(WidgetInfo::MenuItem(ComputeMenuItemParams(
aFrame, eventState, aAppearance == StyleAppearance::Checkmenuitem)));
case StyleAppearance::Menuseparator:
return Some(WidgetInfo::MenuSeparator(ComputeMenuItemParams(aFrame, eventState, false)));
case StyleAppearance::ButtonArrowUp:
case StyleAppearance::ButtonArrowDown: {
MenuIcon icon = aAppearance == StyleAppearance::ButtonArrowUp
? MenuIcon::eMenuUpScrollArrow
: MenuIcon::eMenuDownScrollArrow;
return Some(WidgetInfo::MenuIcon(ComputeMenuIconParams(aFrame, eventState, icon)));
}
case StyleAppearance::Tooltip:
return Nothing();
case StyleAppearance::Checkbox:
case StyleAppearance::Radio: {
bool isCheckbox = (aAppearance == StyleAppearance::Checkbox);
CheckboxOrRadioParams params;
params.state = CheckboxOrRadioState::eOff;
if (isCheckbox && GetIndeterminate(aFrame)) {
params.state = CheckboxOrRadioState::eIndeterminate;
} else if (GetCheckedOrSelected(aFrame, !isCheckbox)) {
params.state = CheckboxOrRadioState::eOn;
}
params.controlParams = ComputeControlParams(aFrame, eventState);
params.verticalAlignFactor = VerticalAlignFactor(aFrame);
if (isCheckbox) {
return Some(WidgetInfo::Checkbox(params));
}
return Some(WidgetInfo::Radio(params));
}
case StyleAppearance::Button:
if (IsDefaultButton(aFrame)) {
// Check whether the default button is in a document that does not
// match the :-moz-window-inactive pseudoclass. This activeness check
// is different from the other "active window" checks in this file
// because we absolutely need the button's default button appearance to
// be in sync with its text color, and the text color is changed by
// such a :-moz-window-inactive rule. (That's because on 10.10 and up,
// default buttons in active windows have blue background and white
// text, and default buttons in inactive windows have white background
// and black text.)
EventStates docState = aFrame->GetContent()->OwnerDoc()->GetDocumentState();
ControlParams params = ComputeControlParams(aFrame, eventState);
params.insideActiveWindow = !docState.HasState(NS_DOCUMENT_STATE_WINDOW_INACTIVE);
return Some(WidgetInfo::Button(ButtonParams{params, ButtonType::eDefaultPushButton}));
}
if (IsButtonTypeMenu(aFrame)) {
ControlParams controlParams = ComputeControlParams(aFrame, eventState);
controlParams.focused = controlParams.focused || IsFocused(aFrame);
controlParams.pressed = IsOpenButton(aFrame);
DropdownParams params;
params.controlParams = controlParams;
params.pullsDown = true;
params.editable = false;
return Some(WidgetInfo::Dropdown(params));
}
if (originalHeight > DO_SQUARE_BUTTON_HEIGHT) {
// If the button is tall enough, draw the square button style so that
// buttons with non-standard content look good. Otherwise draw normal
// rounded aqua buttons.
// This comparison is done based on the height that is calculated without
// the top, because the snapped height can be affected by the top of the
// rect and that may result in different height depending on the top value.
return Some(WidgetInfo::Button(ButtonParams{ComputeControlParams(aFrame, eventState),
ButtonType::eSquareBezelPushButton}));
}
return Some(WidgetInfo::Button(
ButtonParams{ComputeControlParams(aFrame, eventState), ButtonType::eRegularPushButton}));
case StyleAppearance::FocusOutline:
return Some(WidgetInfo::FocusOutline());
case StyleAppearance::MozMacHelpButton:
return Some(WidgetInfo::Button(
ButtonParams{ComputeControlParams(aFrame, eventState), ButtonType::eHelpButton}));
case StyleAppearance::MozMacDisclosureButtonOpen:
case StyleAppearance::MozMacDisclosureButtonClosed: {
ButtonType buttonType = (aAppearance == StyleAppearance::MozMacDisclosureButtonClosed)
? ButtonType::eDisclosureButtonClosed
: ButtonType::eDisclosureButtonOpen;
return Some(
WidgetInfo::Button(ButtonParams{ComputeControlParams(aFrame, eventState), buttonType}));
}
case StyleAppearance::Spinner: {
bool isSpinner = (aAppearance == StyleAppearance::Spinner);
nsIContent* content = aFrame->GetContent();
if (isSpinner && content->IsHTMLElement()) {
// In HTML the theming for the spin buttons is drawn individually into
// their own backgrounds instead of being drawn into the background of
// their spinner parent as it is for XUL.
break;
}
SpinButtonParams params;
if (content->IsElement()) {
if (content->AsElement()->AttrValueIs(kNameSpaceID_None, nsGkAtoms::state, u"up"_ns,
eCaseMatters)) {
params.pressedButton = Some(SpinButton::eUp);
} else if (content->AsElement()->AttrValueIs(kNameSpaceID_None, nsGkAtoms::state,
u"down"_ns, eCaseMatters)) {
params.pressedButton = Some(SpinButton::eDown);
}
}
params.disabled = IsDisabled(aFrame, eventState);
params.insideActiveWindow = FrameIsInActiveWindow(aFrame);
return Some(WidgetInfo::SpinButtons(params));
}
case StyleAppearance::SpinnerUpbutton:
case StyleAppearance::SpinnerDownbutton: {
nsNumberControlFrame* numberControlFrame =
nsNumberControlFrame::GetNumberControlFrameForSpinButton(aFrame);
if (numberControlFrame) {
SpinButtonParams params;
if (numberControlFrame->SpinnerUpButtonIsDepressed()) {
params.pressedButton = Some(SpinButton::eUp);
} else if (numberControlFrame->SpinnerDownButtonIsDepressed()) {
params.pressedButton = Some(SpinButton::eDown);
}
params.disabled = IsDisabled(aFrame, eventState);
params.insideActiveWindow = FrameIsInActiveWindow(aFrame);
if (aAppearance == StyleAppearance::SpinnerUpbutton) {
return Some(WidgetInfo::SpinButtonUp(params));
}
return Some(WidgetInfo::SpinButtonDown(params));
}
} break;
case StyleAppearance::Toolbarbutton: {
SegmentParams params = ComputeSegmentParams(aFrame, eventState, SegmentType::eToolbarButton);
params.insideActiveWindow = [NativeWindowForFrame(aFrame) isMainWindow];
return Some(WidgetInfo::Segment(params));
}
case StyleAppearance::Separator:
return Some(WidgetInfo::Separator());
case StyleAppearance::Toolbar: {
NSWindow* win = NativeWindowForFrame(aFrame);
bool isMain = [win isMainWindow];
if (ToolbarCanBeUnified(nativeWidgetRect, win)) {
// Unified toolbars are drawn similar to vibrancy; we communicate their extents via the
// theme geometry mechanism and then place native views under Gecko's rendering. So Gecko
// just needs to be transparent in the place where the toolbar should be visible.
return Nothing();
}
return Some(WidgetInfo::Toolbar(isMain));
}
case StyleAppearance::MozWindowTitlebar: {
return Nothing();
}
case StyleAppearance::Statusbar:
return Some(WidgetInfo::StatusBar(IsActive(aFrame, YES)));
case StyleAppearance::MenulistButton:
case StyleAppearance::Menulist: {
ControlParams controlParams = ComputeControlParams(aFrame, eventState);
controlParams.focused = controlParams.focused || IsFocused(aFrame);
controlParams.pressed = IsOpenButton(aFrame);
DropdownParams params;
params.controlParams = controlParams;
params.pullsDown = false;
params.editable = false;
return Some(WidgetInfo::Dropdown(params));
}
case StyleAppearance::MozMenulistArrowButton:
return Some(WidgetInfo::Button(
ButtonParams{ComputeControlParams(aFrame, eventState), ButtonType::eArrowButton}));
case StyleAppearance::Groupbox:
return Some(WidgetInfo::GroupBox());
case StyleAppearance::Textfield:
case StyleAppearance::NumberInput:
return Some(WidgetInfo::TextField(ComputeTextFieldParams(aFrame, eventState)));
case StyleAppearance::Searchfield:
return Some(WidgetInfo::SearchField(ComputeTextFieldParams(aFrame, eventState)));
case StyleAppearance::ProgressBar: {
if (IsIndeterminateProgress(aFrame, eventState)) {
if (!QueueAnimatedContentForRefresh(aFrame->GetContent(), 30)) {
NS_WARNING("Unable to animate progressbar!");
}
}
return Some(WidgetInfo::ProgressBar(
ComputeProgressParams(aFrame, eventState, !IsVerticalProgress(aFrame))));
}
case StyleAppearance::Meter:
return Some(WidgetInfo::Meter(ComputeMeterParams(aFrame)));
case StyleAppearance::Progresschunk:
case StyleAppearance::Meterchunk:
// Do nothing: progress and meter bars cases will draw chunks.
break;
case StyleAppearance::Treetwisty:
return Some(WidgetInfo::Button(ButtonParams{ComputeControlParams(aFrame, eventState),
ButtonType::eTreeTwistyPointingRight}));
case StyleAppearance::Treetwistyopen:
return Some(WidgetInfo::Button(ButtonParams{ComputeControlParams(aFrame, eventState),
ButtonType::eTreeTwistyPointingDown}));
case StyleAppearance::Treeheadercell:
return Some(WidgetInfo::TreeHeaderCell(ComputeTreeHeaderCellParams(aFrame, eventState)));
case StyleAppearance::Treeitem:
case StyleAppearance::Treeview:
return Some(WidgetInfo::ColorFill(sRGBColor(1.0, 1.0, 1.0, 1.0)));
case StyleAppearance::Treeheader:
// do nothing, taken care of by individual header cells
case StyleAppearance::Treeheadersortarrow:
// do nothing, taken care of by treeview header
case StyleAppearance::Treeline:
// do nothing, these lines don't exist on macos
break;
case StyleAppearance::Range: {
Maybe<ScaleParams> params = ComputeHTMLScaleParams(aFrame, eventState);
if (params) {
return Some(WidgetInfo::Scale(*params));
}
break;
}
case StyleAppearance::ScrollbarHorizontal:
case StyleAppearance::ScrollbarVertical:
case StyleAppearance::ScrollbarbuttonUp:
case StyleAppearance::ScrollbarbuttonLeft:
case StyleAppearance::ScrollbarbuttonDown:
case StyleAppearance::ScrollbarbuttonRight:
break;
case StyleAppearance::ScrollbarthumbVertical:
case StyleAppearance::ScrollbarthumbHorizontal:
case StyleAppearance::ScrollbartrackHorizontal:
case StyleAppearance::ScrollbartrackVertical:
case StyleAppearance::Scrollcorner: {
bool isHorizontal = aAppearance == StyleAppearance::ScrollbarthumbHorizontal ||
aAppearance == StyleAppearance::ScrollbartrackHorizontal;
ScrollbarParams params = ScrollbarDrawingMac::ComputeScrollbarParams(
aFrame, *nsLayoutUtils::StyleForScrollbar(aFrame), isHorizontal);
switch (aAppearance) {
case StyleAppearance::ScrollbarthumbVertical:
case StyleAppearance::ScrollbarthumbHorizontal:
return Some(WidgetInfo::ScrollbarThumb(params));
case StyleAppearance::ScrollbartrackHorizontal:
case StyleAppearance::ScrollbartrackVertical:
return Some(WidgetInfo::ScrollbarTrack(params));
case StyleAppearance::Scrollcorner:
return Some(WidgetInfo::ScrollCorner(params));
default:
MOZ_CRASH("unexpected aAppearance");
}
break;
}
case StyleAppearance::Textarea:
return Some(WidgetInfo::MultilineTextField(eventState.HasState(NS_EVENT_STATE_FOCUS)));
case StyleAppearance::Listbox:
return Some(WidgetInfo::ListBox());
case StyleAppearance::MozMacSourceList: {
return Nothing();
}
case StyleAppearance::MozMacSourceListSelection:
case StyleAppearance::MozMacActiveSourceListSelection: {
// We only support vibrancy for source list selections if we're inside
// a source list, because we need the background to be transparent.
if (IsInSourceList(aFrame)) {
return Nothing();
}
bool isInActiveWindow = FrameIsInActiveWindow(aFrame);
if (aAppearance == StyleAppearance::MozMacActiveSourceListSelection) {
return Some(WidgetInfo::ActiveSourceListSelection(isInActiveWindow));
}
return Some(WidgetInfo::InactiveSourceListSelection(isInActiveWindow));
}
case StyleAppearance::Tab: {
SegmentParams params = ComputeSegmentParams(aFrame, eventState, SegmentType::eTab);
params.pressed = params.pressed && !params.selected;
return Some(WidgetInfo::Segment(params));
}
case StyleAppearance::Tabpanels:
return Some(WidgetInfo::TabPanel(FrameIsInActiveWindow(aFrame)));
case StyleAppearance::Resizer:
return Some(WidgetInfo::Resizer(IsFrameRTL(aFrame)));
default:
break;
}
return Nothing();
NS_OBJC_END_TRY_BLOCK_RETURN(Nothing());
}
NS_IMETHODIMP
nsNativeThemeCocoa::DrawWidgetBackground(gfxContext* aContext, nsIFrame* aFrame,
StyleAppearance aAppearance, const nsRect& aRect,
const nsRect& aDirtyRect, DrawOverflow) {
NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
Maybe<WidgetInfo> widgetInfo = ComputeWidgetInfo(aFrame, aAppearance, aRect);
if (!widgetInfo) {
return NS_OK;
}
int32_t p2a = aFrame->PresContext()->AppUnitsPerDevPixel();
gfx::Rect nativeWidgetRect = NSRectToRect(aRect, p2a);
nativeWidgetRect.Round();
bool hidpi = IsHiDPIContext(aFrame->PresContext()->DeviceContext());
auto colorScheme = LookAndFeel::ColorSchemeForFrame(aFrame);
RenderWidget(*widgetInfo, colorScheme, *aContext->GetDrawTarget(), nativeWidgetRect,
NSRectToRect(aDirtyRect, p2a), hidpi ? 2.0f : 1.0f);
return NS_OK;
NS_OBJC_END_TRY_BLOCK_RETURN(NS_ERROR_FAILURE);
}
void nsNativeThemeCocoa::RenderWidget(const WidgetInfo& aWidgetInfo,
LookAndFeel::ColorScheme aScheme, DrawTarget& aDrawTarget,
const gfx::Rect& aWidgetRect, const gfx::Rect& aDirtyRect,
float aScale) {
// Some of the drawing below uses NSAppearance.currentAppearance behind the scenes.
// Set it to the appearance we want, the same way as nsLookAndFeel::NativeGetColor.
NSAppearance.currentAppearance = NSAppearanceForColorScheme(aScheme);
// Also set the cell draw window's appearance; this is respected by NSTextFieldCell (and its
// subclass NSSearchFieldCell).
if (mCellDrawWindow) {
mCellDrawWindow.appearance = NSAppearance.currentAppearance;
}
const Widget widget = aWidgetInfo.Widget();
// Some widgets render using DrawTarget, and some using CGContext.
switch (widget) {
case Widget::eColorFill: {
sRGBColor color = aWidgetInfo.Params<sRGBColor>();
aDrawTarget.FillRect(aWidgetRect, ColorPattern(ToDeviceColor(color)));
break;
}
case Widget::eScrollbarThumb: {
ScrollbarParams params = aWidgetInfo.Params<ScrollbarParams>();
auto thumb = ScrollbarDrawingMac::GetThumbRect(aWidgetRect, params, aScale);
float cornerRadius = (params.horizontal ? thumb.mRect.Height() : thumb.mRect.Width()) / 2.0f;
aDrawTarget.FillRoundedRect(RoundedRect(thumb.mRect, RectCornerRadii(cornerRadius)),
ColorPattern(ToDeviceColor(thumb.mFillColor)));
if (thumb.mStrokeColor) {
auto strokeRect = thumb.mRect;
strokeRect.Inflate(thumb.mStrokeOutset);
float strokeRadius = (params.horizontal ? strokeRect.Height() : strokeRect.Width()) / 2.0f;
RefPtr<Path> path =
MakePathForRoundedRect(aDrawTarget, strokeRect, RectCornerRadii(strokeRadius));
aDrawTarget.Stroke(path, ColorPattern(ToDeviceColor(thumb.mStrokeColor)),
StrokeOptions(thumb.mStrokeWidth));
}
break;
}
case Widget::eScrollbarTrack: {
ScrollbarParams params = aWidgetInfo.Params<ScrollbarParams>();
ScrollbarDrawingMac::ScrollbarTrackRects rects;
if (ScrollbarDrawingMac::GetScrollbarTrackRects(aWidgetRect, params, aScale, rects)) {
for (const auto& rect : rects) {
aDrawTarget.FillRect(rect.mRect, ColorPattern(ToDeviceColor(rect.mColor)));
}
}
break;
}
case Widget::eScrollCorner: {
ScrollbarParams params = aWidgetInfo.Params<ScrollbarParams>();
ScrollbarDrawingMac::ScrollCornerRects rects;
if (ScrollbarDrawingMac::GetScrollCornerRects(aWidgetRect, params, aScale, rects)) {
for (const auto& rect : rects) {
aDrawTarget.FillRect(rect.mRect, ColorPattern(ToDeviceColor(rect.mColor)));
}
}
break;
}
default: {
AutoRestoreTransform autoRestoreTransform(&aDrawTarget);
gfx::Rect widgetRect = aWidgetRect;
gfx::Rect dirtyRect = aDirtyRect;
dirtyRect.Scale(1.0f / aScale);
widgetRect.Scale(1.0f / aScale);
aDrawTarget.SetTransform(aDrawTarget.GetTransform().PreScale(aScale, aScale));
// The remaining widgets require a CGContext.
CGRect macRect =
CGRectMake(widgetRect.X(), widgetRect.Y(), widgetRect.Width(), widgetRect.Height());
gfxQuartzNativeDrawing nativeDrawing(aDrawTarget, dirtyRect);
CGContextRef cgContext = nativeDrawing.BeginNativeDrawing();
if (cgContext == nullptr) {
// The Quartz surface handles 0x0 surfaces by internally
// making all operations no-ops; there's no cgcontext created for them.
// Unfortunately, this means that callers that want to render
// directly to the CGContext need to be aware of this quirk.
return;
}
// Set the context's "base transform" to in order to get correctly-sized focus rings.
CGContextSetBaseCTM(cgContext, CGAffineTransformMakeScale(aScale, aScale));
switch (widget) {
case Widget::eColorFill:
case Widget::eScrollbarThumb:
case Widget::eScrollbarTrack:
case Widget::eScrollCorner: {
MOZ_CRASH("already handled in outer switch");
break;
}
case Widget::eMenuIcon: {
MenuIconParams params = aWidgetInfo.Params<MenuIconParams>();
DrawMenuIcon(cgContext, macRect, params);
break;
}
case Widget::eMenuItem: {
MenuItemParams params = aWidgetInfo.Params<MenuItemParams>();
DrawMenuItem(cgContext, macRect, params);
break;
}
case Widget::eMenuSeparator: {
MenuItemParams params = aWidgetInfo.Params<MenuItemParams>();
DrawMenuSeparator(cgContext, macRect, params);
break;
}
case Widget::eCheckbox: {
CheckboxOrRadioParams params = aWidgetInfo.Params<CheckboxOrRadioParams>();
DrawCheckboxOrRadio(cgContext, true, macRect, params);
break;
}
case Widget::eRadio: {
CheckboxOrRadioParams params = aWidgetInfo.Params<CheckboxOrRadioParams>();
DrawCheckboxOrRadio(cgContext, false, macRect, params);
break;
}
case Widget::eButton: {
ButtonParams params = aWidgetInfo.Params<ButtonParams>();
DrawButton(cgContext, macRect, params);
break;
}
case Widget::eDropdown: {
DropdownParams params = aWidgetInfo.Params<DropdownParams>();
DrawDropdown(cgContext, macRect, params);
break;
}
case Widget::eFocusOutline: {
DrawFocusOutline(cgContext, macRect);
break;
}
case Widget::eSpinButtons: {
SpinButtonParams params = aWidgetInfo.Params<SpinButtonParams>();
DrawSpinButtons(cgContext, macRect, params);
break;
}
case Widget::eSpinButtonUp: {
SpinButtonParams params = aWidgetInfo.Params<SpinButtonParams>();
DrawSpinButton(cgContext, macRect, SpinButton::eUp, params);
break;
}
case Widget::eSpinButtonDown: {
SpinButtonParams params = aWidgetInfo.Params<SpinButtonParams>();
DrawSpinButton(cgContext, macRect, SpinButton::eDown, params);
break;
}
case Widget::eSegment: {
SegmentParams params = aWidgetInfo.Params<SegmentParams>();
DrawSegment(cgContext, macRect, params);
break;
}
case Widget::eSeparator: {
HIThemeSeparatorDrawInfo sdi = {0, kThemeStateActive};
HIThemeDrawSeparator(&macRect, &sdi, cgContext, HITHEME_ORIENTATION);
break;
}
case Widget::eToolbar: {
bool isMain = aWidgetInfo.Params<bool>();
DrawToolbar(cgContext, macRect, isMain);
break;
}
case Widget::eStatusBar: {
bool isMain = aWidgetInfo.Params<bool>();
DrawStatusBar(cgContext, macRect, isMain);
break;
}
case Widget::eGroupBox: {
HIThemeGroupBoxDrawInfo gdi = {0, kThemeStateActive, kHIThemeGroupBoxKindPrimary};
HIThemeDrawGroupBox(&macRect, &gdi, cgContext, HITHEME_ORIENTATION);
break;
}
case Widget::eTextField: {
TextFieldParams params = aWidgetInfo.Params<TextFieldParams>();
DrawTextField(cgContext, macRect, params);
break;
}
case Widget::eSearchField: {
TextFieldParams params = aWidgetInfo.Params<TextFieldParams>();
DrawSearchField(cgContext, macRect, params);
break;
}
case Widget::eProgressBar: {
ProgressParams params = aWidgetInfo.Params<ProgressParams>();
DrawProgress(cgContext, macRect, params);
break;
}
case Widget::eMeter: {
MeterParams params = aWidgetInfo.Params<MeterParams>();
DrawMeter(cgContext, macRect, params);
break;
}
case Widget::eTreeHeaderCell: {
TreeHeaderCellParams params = aWidgetInfo.Params<TreeHeaderCellParams>();
DrawTreeHeaderCell(cgContext, macRect, params);
break;
}
case Widget::eScale: {
ScaleParams params = aWidgetInfo.Params<ScaleParams>();
DrawScale(cgContext, macRect, params);
break;
}
case Widget::eMultilineTextField: {
bool isFocused = aWidgetInfo.Params<bool>();
DrawMultilineTextField(cgContext, macRect, isFocused);
break;
}
case Widget::eListBox: {
// Fill the content with the control background color.
CGContextSetFillColorWithColor(cgContext, [NSColor.controlBackgroundColor CGColor]);
CGContextFillRect(cgContext, macRect);
// Draw the frame using kCUIWidgetScrollViewFrame. This is what NSScrollView uses in
// -[NSScrollView drawRect:] if you give it a borderType of NSBezelBorder.
RenderWithCoreUI(
macRect, cgContext, @{
@"widget" : @"kCUIWidgetScrollViewFrame",
@"kCUIIsFlippedKey" : @YES,
@"kCUIVariantMetal" : @NO,
});
break;
}
case Widget::eActiveSourceListSelection:
case Widget::eInactiveSourceListSelection: {
bool isInActiveWindow = aWidgetInfo.Params<bool>();
bool isActiveSelection = aWidgetInfo.Widget() == Widget::eActiveSourceListSelection;
DrawSourceListSelection(cgContext, macRect, isInActiveWindow, isActiveSelection);
break;
}
case Widget::eTabPanel: {
bool isInsideActiveWindow = aWidgetInfo.Params<bool>();
DrawTabPanel(cgContext, macRect, isInsideActiveWindow);
break;
}
case Widget::eResizer: {
bool isRTL = aWidgetInfo.Params<bool>();
DrawResizer(cgContext, macRect, isRTL);
break;
}
}
// Reset the base CTM.
CGContextSetBaseCTM(cgContext, CGAffineTransformIdentity);
nativeDrawing.EndNativeDrawing();
}
}
}
bool nsNativeThemeCocoa::CreateWebRenderCommandsForWidget(
mozilla::wr::DisplayListBuilder& aBuilder, mozilla::wr::IpcResourceUpdateQueue& aResources,
const mozilla::layers::StackingContextHelper& aSc,
mozilla::layers::RenderRootStateManager* aManager, nsIFrame* aFrame,
StyleAppearance aAppearance, const nsRect& aRect) {
// This list needs to stay consistent with the list in DrawWidgetBackground.
// For every switch case in DrawWidgetBackground, there are three choices:
// - If the case in DrawWidgetBackground draws nothing for the given widget
// type, then don't list it here. We will hit the "default: return true;"
// case.
// - If the case in DrawWidgetBackground draws something simple for the given
// widget type, imitate that drawing using WebRender commands.
// - If the case in DrawWidgetBackground draws something complicated for the
// given widget type, return false here.
switch (aAppearance) {
case StyleAppearance::Menuarrow:
case StyleAppearance::Menuitem:
case StyleAppearance::Checkmenuitem:
case StyleAppearance::Menuseparator:
case StyleAppearance::ButtonArrowUp:
case StyleAppearance::ButtonArrowDown:
case StyleAppearance::Checkbox:
case StyleAppearance::Radio:
case StyleAppearance::Button:
case StyleAppearance::FocusOutline:
case StyleAppearance::MozMacHelpButton:
case StyleAppearance::MozMacDisclosureButtonOpen:
case StyleAppearance::MozMacDisclosureButtonClosed:
case StyleAppearance::Spinner:
case StyleAppearance::SpinnerUpbutton:
case StyleAppearance::SpinnerDownbutton:
case StyleAppearance::Toolbarbutton:
case StyleAppearance::Separator:
case StyleAppearance::Toolbar:
case StyleAppearance::MozWindowTitlebar:
case StyleAppearance::Statusbar:
case StyleAppearance::Menulist:
case StyleAppearance::MenulistButton:
case StyleAppearance::MozMenulistArrowButton:
case StyleAppearance::Groupbox:
case StyleAppearance::Textfield:
case StyleAppearance::NumberInput:
case StyleAppearance::Searchfield:
case StyleAppearance::ProgressBar:
case StyleAppearance::Meter:
case StyleAppearance::Treeheadercell:
case StyleAppearance::Treetwisty:
case StyleAppearance::Treetwistyopen:
case StyleAppearance::Treeitem:
case StyleAppearance::Treeview:
case StyleAppearance::Range:
case StyleAppearance::ScrollbarthumbVertical:
case StyleAppearance::ScrollbarthumbHorizontal:
return false;
case StyleAppearance::Scrollcorner:
case StyleAppearance::ScrollbartrackHorizontal:
case StyleAppearance::ScrollbartrackVertical: {
const ComputedStyle& style = *nsLayoutUtils::StyleForScrollbar(aFrame);
ScrollbarParams params = ScrollbarDrawingMac::ComputeScrollbarParams(
aFrame, style, aAppearance == StyleAppearance::ScrollbartrackHorizontal);
if (params.overlay && !params.rolledOver) {
// There is no scrollbar track, draw nothing and return true.
return true;
}
// There is a scrollbar track and it needs to be drawn using fallback.
return false;
}
case StyleAppearance::Textarea:
case StyleAppearance::Listbox:
case StyleAppearance::Tab:
case StyleAppearance::Tabpanels:
case StyleAppearance::Resizer:
return false;
default:
return true;
}
}
LayoutDeviceIntMargin nsNativeThemeCocoa::DirectionAwareMargin(const LayoutDeviceIntMargin& aMargin,
nsIFrame* aFrame) {
// Assuming aMargin was originally specified for a horizontal LTR context,
// reinterpret the values as logical, and then map to physical coords
// according to aFrame's actual writing mode.
WritingMode wm = aFrame->GetWritingMode();
nsMargin m = LogicalMargin(wm, aMargin.top, aMargin.right, aMargin.bottom, aMargin.left)
.GetPhysicalMargin(wm);
return LayoutDeviceIntMargin(m.top, m.right, m.bottom, m.left);
}
static const LayoutDeviceIntMargin kAquaDropdownBorder(1, 22, 2, 5);
static const LayoutDeviceIntMargin kAquaComboboxBorder(3, 20, 3, 4);
static const LayoutDeviceIntMargin kAquaSearchfieldBorder(3, 5, 2, 19);
static const LayoutDeviceIntMargin kAquaSearchfieldBorderBigSur(5, 5, 4, 26);
LayoutDeviceIntMargin nsNativeThemeCocoa::GetWidgetBorder(nsDeviceContext* aContext,
nsIFrame* aFrame,
StyleAppearance aAppearance) {
LayoutDeviceIntMargin result;
NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
switch (aAppearance) {
case StyleAppearance::Button: {
if (IsButtonTypeMenu(aFrame)) {
result = DirectionAwareMargin(kAquaDropdownBorder, aFrame);
} else {
result = DirectionAwareMargin(LayoutDeviceIntMargin(1, 7, 3, 7), aFrame);
}
break;
}
case StyleAppearance::Toolbarbutton: {
result = DirectionAwareMargin(LayoutDeviceIntMargin(1, 4, 1, 4), aFrame);
break;
}
case StyleAppearance::Checkbox:
case StyleAppearance::Radio: {
// nsCheckboxRadioFrame::GetIntrinsicWidth and nsCheckboxRadioFrame::GetIntrinsicHeight
// assume a border width of 2px.
result.SizeTo(2, 2, 2, 2);
break;
}
case StyleAppearance::Menulist:
case StyleAppearance::MenulistButton:
case StyleAppearance::MozMenulistArrowButton:
result = DirectionAwareMargin(kAquaDropdownBorder, aFrame);
break;
case StyleAppearance::Menuarrow:
if (nsCocoaFeatures::OnBigSurOrLater()) {
result.SizeTo(0, 0, 0, 28);
}
break;
case StyleAppearance::NumberInput:
case StyleAppearance::Textfield: {
SInt32 frameOutset = 0;
::GetThemeMetric(kThemeMetricEditTextFrameOutset, &frameOutset);
SInt32 textPadding = 0;
::GetThemeMetric(kThemeMetricEditTextWhitespace, &textPadding);
frameOutset += textPadding;
result.SizeTo(frameOutset, frameOutset, frameOutset, frameOutset);
break;
}
case StyleAppearance::Textarea:
result.SizeTo(1, 1, 1, 1);
break;
case StyleAppearance::Searchfield: {
auto border = nsCocoaFeatures::OnBigSurOrLater() ? kAquaSearchfieldBorderBigSur
: kAquaSearchfieldBorder;
result = DirectionAwareMargin(border, aFrame);
break;
}
case StyleAppearance::Listbox: {
SInt32 frameOutset = 0;
::GetThemeMetric(kThemeMetricListBoxFrameOutset, &frameOutset);
result.SizeTo(frameOutset, frameOutset, frameOutset, frameOutset);
break;
}
case StyleAppearance::ScrollbartrackHorizontal:
case StyleAppearance::ScrollbartrackVertical: {
bool isHorizontal = (aAppearance == StyleAppearance::ScrollbartrackHorizontal);
if (LookAndFeel::UseOverlayScrollbars()) {
// Leave a bit of space at the start and the end on all OS X versions.
if (isHorizontal) {
result.left = 1;
result.right = 1;
} else {
result.top = 1;
result.bottom = 1;
}
}
break;
}
case StyleAppearance::Statusbar:
result.SizeTo(1, 0, 0, 0);
break;
default:
break;
}
if (IsHiDPIContext(aContext)) {
result = result + result; // doubled
}
NS_OBJC_END_TRY_BLOCK_RETURN(result);
}
// Return false here to indicate that CSS padding values should be used. There is
// no reason to make a distinction between padding and border values, just specify
// whatever values you want in GetWidgetBorder and only use this to return true
// if you want to override CSS padding values.
bool nsNativeThemeCocoa::GetWidgetPadding(nsDeviceContext* aContext, nsIFrame* aFrame,
StyleAppearance aAppearance,
LayoutDeviceIntMargin* aResult) {
// We don't want CSS padding being used for certain widgets.
// See bug 381639 for an example of why.
switch (aAppearance) {
// Radios and checkboxes return a fixed size in GetMinimumWidgetSize
// and have a meaningful baseline, so they can't have
// author-specified padding.
case StyleAppearance::Checkbox:
case StyleAppearance::Radio:
aResult->SizeTo(0, 0, 0, 0);
return true;
case StyleAppearance::Menuarrow:
case StyleAppearance::Searchfield:
if (nsCocoaFeatures::OnBigSurOrLater()) {
return true;
}
break;
default:
break;
}
return false;
}
bool nsNativeThemeCocoa::GetWidgetOverflow(nsDeviceContext* aContext, nsIFrame* aFrame,
StyleAppearance aAppearance, nsRect* aOverflowRect) {
nsIntMargin overflow;
switch (aAppearance) {
case StyleAppearance::Button:
case StyleAppearance::MozMacDisclosureButtonOpen:
case StyleAppearance::MozMacDisclosureButtonClosed:
case StyleAppearance::MozMacHelpButton:
case StyleAppearance::Toolbarbutton:
case StyleAppearance::NumberInput:
case StyleAppearance::Textfield:
case StyleAppearance::Textarea:
case StyleAppearance::Searchfield:
case StyleAppearance::Listbox:
case StyleAppearance::Menulist:
case StyleAppearance::MenulistButton:
case StyleAppearance::MozMenulistArrowButton:
case StyleAppearance::Checkbox:
case StyleAppearance::Radio:
case StyleAppearance::Tab:
case StyleAppearance::FocusOutline: {
overflow.SizeTo(kMaxFocusRingWidth, kMaxFocusRingWidth, kMaxFocusRingWidth,
kMaxFocusRingWidth);
break;
}
case StyleAppearance::ProgressBar: {
// Progress bars draw a 2 pixel white shadow under their progress indicators.
overflow.bottom = 2;
break;
}
case StyleAppearance::Meter: {
// Meter bars overflow their boxes by about 2 pixels.
overflow.SizeTo(2, 2, 2, 2);
break;
}
default:
break;
}
if (IsHiDPIContext(aContext)) {
// Double the number of device pixels.
overflow += overflow;
}
if (overflow != nsIntMargin()) {
int32_t p2a = aFrame->PresContext()->AppUnitsPerDevPixel();
aOverflowRect->Inflate(nsMargin(
NSIntPixelsToAppUnits(overflow.top, p2a), NSIntPixelsToAppUnits(overflow.right, p2a),
NSIntPixelsToAppUnits(overflow.bottom, p2a), NSIntPixelsToAppUnits(overflow.left, p2a)));
return true;
}
return false;
}
auto nsNativeThemeCocoa::GetScrollbarSizes(nsPresContext* aPresContext, StyleScrollbarWidth aWidth,
Overlay aOverlay) -> ScrollbarSizes {
auto size = ScrollbarDrawingMac::GetScrollbarSize(aWidth, aOverlay == Overlay::Yes);
if (IsHiDPIContext(aPresContext->DeviceContext())) {
size *= 2;
}
return {int32_t(size), int32_t(size)};
}
NS_IMETHODIMP
nsNativeThemeCocoa::GetMinimumWidgetSize(nsPresContext* aPresContext, nsIFrame* aFrame,
StyleAppearance aAppearance, LayoutDeviceIntSize* aResult,
bool* aIsOverridable) {
NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
aResult->SizeTo(0, 0);
*aIsOverridable = true;
switch (aAppearance) {
case StyleAppearance::Button: {
aResult->SizeTo(pushButtonSettings.minimumSizes[miniControlSize].width,
pushButtonSettings.naturalSizes[miniControlSize].height);
break;
}
case StyleAppearance::ButtonArrowUp:
case StyleAppearance::ButtonArrowDown: {
aResult->SizeTo(kMenuScrollArrowSize.width, kMenuScrollArrowSize.height);
*aIsOverridable = false;
break;
}
case StyleAppearance::Menuarrow: {
aResult->SizeTo(kMenuarrowSize.width, kMenuarrowSize.height);
*aIsOverridable = false;
break;
}
case StyleAppearance::MozMacDisclosureButtonOpen:
case StyleAppearance::MozMacDisclosureButtonClosed: {
aResult->SizeTo(kDisclosureButtonSize.width, kDisclosureButtonSize.height);
*aIsOverridable = false;
break;
}
case StyleAppearance::MozMacHelpButton: {
aResult->SizeTo(kHelpButtonSize.width, kHelpButtonSize.height);
*aIsOverridable = false;
break;
}
case StyleAppearance::Toolbarbutton: {
aResult->SizeTo(0, toolbarButtonHeights[miniControlSize]);
break;
}
case StyleAppearance::Spinner:
case StyleAppearance::SpinnerUpbutton:
case StyleAppearance::SpinnerDownbutton: {
SInt32 buttonHeight = 0, buttonWidth = 0;
if (aFrame->GetContent()->IsXULElement()) {
::GetThemeMetric(kThemeMetricLittleArrowsWidth, &buttonWidth);
::GetThemeMetric(kThemeMetricLittleArrowsHeight, &buttonHeight);
} else {
NSSize size = spinnerSettings.minimumSizes[EnumSizeForCocoaSize(NSControlSizeMini)];
buttonWidth = size.width;
buttonHeight = size.height;
if (aAppearance != StyleAppearance::Spinner) {
// the buttons are half the height of the spinner
buttonHeight /= 2;
}
}
aResult->SizeTo(buttonWidth, buttonHeight);
*aIsOverridable = true;
break;
}
case StyleAppearance::Menulist:
case StyleAppearance::MenulistButton: {
SInt32 popupHeight = 0;
::GetThemeMetric(kThemeMetricPopupButtonHeight, &popupHeight);
aResult->SizeTo(0, popupHeight);
break;
}
case StyleAppearance::NumberInput:
case StyleAppearance::Textfield:
case StyleAppearance::Textarea:
case StyleAppearance::Searchfield: {
// at minimum, we should be tall enough for 9pt text.
// I'm using hardcoded values here because the appearance manager
// values for the frame size are incorrect.
aResult->SizeTo(0, (2 + 2) /* top */ + 9 + (1 + 1) /* bottom */);
break;
}
case StyleAppearance::MozWindowButtonBox: {
NSSize size = WindowButtonsSize(aFrame);
aResult->SizeTo(size.width, size.height);
*aIsOverridable = false;
break;
}
case StyleAppearance::ProgressBar: {
SInt32 barHeight = 0;
::GetThemeMetric(kThemeMetricNormalProgressBarThickness, &barHeight);
aResult->SizeTo(0, barHeight);
break;
}
case StyleAppearance::Separator: {
aResult->SizeTo(1, 1);
break;
}
case StyleAppearance::Treetwisty:
case StyleAppearance::Treetwistyopen: {
SInt32 twistyHeight = 0, twistyWidth = 0;
::GetThemeMetric(kThemeMetricDisclosureButtonWidth, &twistyWidth);
::GetThemeMetric(kThemeMetricDisclosureButtonHeight, &twistyHeight);
aResult->SizeTo(twistyWidth, twistyHeight);
*aIsOverridable = false;
break;
}
case StyleAppearance::Treeheader:
case StyleAppearance::Treeheadercell: {
SInt32 headerHeight = 0;
::GetThemeMetric(kThemeMetricListHeaderHeight, &headerHeight);
aResult->SizeTo(0, headerHeight);
break;
}
case StyleAppearance::Tab: {
aResult->SizeTo(0, tabHeights[miniControlSize]);
break;
}
case StyleAppearance::RangeThumb: {
SInt32 width = 0;
SInt32 height = 0;
::GetThemeMetric(kThemeMetricSliderMinThumbWidth, &width);
::GetThemeMetric(kThemeMetricSliderMinThumbHeight, &height);
aResult->SizeTo(width, height);
*aIsOverridable = false;
break;
}
case StyleAppearance::ScrollbarthumbHorizontal:
case StyleAppearance::ScrollbarthumbVertical:
case StyleAppearance::ScrollbarHorizontal:
case StyleAppearance::ScrollbarVertical:
case StyleAppearance::ScrollbartrackVertical:
case StyleAppearance::ScrollbartrackHorizontal:
case StyleAppearance::ScrollbarbuttonUp:
case StyleAppearance::ScrollbarbuttonDown:
case StyleAppearance::ScrollbarbuttonLeft:
case StyleAppearance::ScrollbarbuttonRight: {
*aIsOverridable = false;
*aResult = ScrollbarDrawingMac::GetMinimumWidgetSize(aAppearance, aFrame, 1.0f);
break;
}
case StyleAppearance::MozMenulistArrowButton:
*aResult = ScrollbarDrawingMac::GetMinimumWidgetSize(aAppearance, aFrame, 1.0f);
break;
case StyleAppearance::Resizer: {
HIThemeGrowBoxDrawInfo drawInfo;
drawInfo.version = 0;
drawInfo.state = kThemeStateActive;
drawInfo.kind = kHIThemeGrowBoxKindNormal;
drawInfo.direction = kThemeGrowRight | kThemeGrowDown;
drawInfo.size = kHIThemeGrowBoxSizeNormal;
HIPoint pnt = {0, 0};
HIRect bounds;
HIThemeGetGrowBoxBounds(&pnt, &drawInfo, &bounds);
aResult->SizeTo(bounds.size.width, bounds.size.height);
*aIsOverridable = false;
}
default:
break;
}
if (IsHiDPIContext(aPresContext->DeviceContext())) {
*aResult = *aResult * 2;
}
return NS_OK;
NS_OBJC_END_TRY_BLOCK_RETURN(NS_ERROR_FAILURE);
}
NS_IMETHODIMP
nsNativeThemeCocoa::WidgetStateChanged(nsIFrame* aFrame, StyleAppearance aAppearance,
nsAtom* aAttribute, bool* aShouldRepaint,
const nsAttrValue* aOldValue) {
// Some widget types just never change state.
switch (aAppearance) {
case StyleAppearance::MozWindowTitlebar:
case StyleAppearance::Toolbox:
case StyleAppearance::Toolbar:
case StyleAppearance::Statusbar:
case StyleAppearance::Statusbarpanel:
case StyleAppearance::Resizerpanel:
case StyleAppearance::Tooltip:
case StyleAppearance::Tabpanels:
case StyleAppearance::Tabpanel:
case StyleAppearance::Dialog:
case StyleAppearance::Menupopup:
case StyleAppearance::Groupbox:
case StyleAppearance::Progresschunk:
case StyleAppearance::ProgressBar:
case StyleAppearance::Meter:
case StyleAppearance::Meterchunk:
case StyleAppearance::MozMacVibrantTitlebarLight:
case StyleAppearance::MozMacVibrantTitlebarDark:
*aShouldRepaint = false;
return NS_OK;
default:
break;
}
// XXXdwh Not sure what can really be done here. Can at least guess for
// specific widgets that they're highly unlikely to have certain states.
// For example, a toolbar doesn't care about any states.
if (!aAttribute) {
// Hover/focus/active changed. Always repaint.
*aShouldRepaint = true;
} else {
// Check the attribute to see if it's relevant.
// disabled, checked, dlgtype, default, etc.
*aShouldRepaint = false;
if (aAttribute == nsGkAtoms::disabled || aAttribute == nsGkAtoms::checked ||
aAttribute == nsGkAtoms::selected || aAttribute == nsGkAtoms::visuallyselected ||
aAttribute == nsGkAtoms::menuactive || aAttribute == nsGkAtoms::sortDirection ||
aAttribute == nsGkAtoms::focused || aAttribute == nsGkAtoms::_default ||
aAttribute == nsGkAtoms::open || aAttribute == nsGkAtoms::hover)
*aShouldRepaint = true;
}
return NS_OK;
}
NS_IMETHODIMP
nsNativeThemeCocoa::ThemeChanged() {
// This is unimplemented because we don't care if gecko changes its theme
// and macOS system appearance changes are handled by
// nsLookAndFeel::SystemWantsDarkTheme.
return NS_OK;
}
bool nsNativeThemeCocoa::ThemeSupportsWidget(nsPresContext* aPresContext, nsIFrame* aFrame,
StyleAppearance aAppearance) {
// if this is a dropdown button in a combobox the answer is always no
if (aAppearance == StyleAppearance::MozMenulistArrowButton) {
nsIFrame* parentFrame = aFrame->GetParent();
if (parentFrame && parentFrame->IsComboboxControlFrame()) return false;
}
switch (aAppearance) {
// Combobox dropdowns don't support native theming in vertical mode.
case StyleAppearance::Menulist:
case StyleAppearance::MenulistButton:
case StyleAppearance::MozMenulistArrowButton:
case StyleAppearance::MenulistText:
if (aFrame && aFrame->GetWritingMode().IsVertical()) {
return false;
}
[[fallthrough]];
case StyleAppearance::Listbox:
case StyleAppearance::Dialog:
case StyleAppearance::Window:
case StyleAppearance::MozWindowButtonBox:
case StyleAppearance::MozWindowTitlebar:
case StyleAppearance::Checkmenuitem:
case StyleAppearance::Menupopup:
case StyleAppearance::Menuarrow:
case StyleAppearance::Menuitem:
case StyleAppearance::Menuseparator:
case StyleAppearance::Tooltip:
case StyleAppearance::Checkbox:
case StyleAppearance::CheckboxContainer:
case StyleAppearance::Radio:
case StyleAppearance::RadioContainer:
case StyleAppearance::Groupbox:
case StyleAppearance::MozMacHelpButton:
case StyleAppearance::MozMacDisclosureButtonOpen:
case StyleAppearance::MozMacDisclosureButtonClosed:
case StyleAppearance::Button:
case StyleAppearance::ButtonArrowUp:
case StyleAppearance::ButtonArrowDown:
case StyleAppearance::Toolbarbutton:
case StyleAppearance::Spinner:
case StyleAppearance::SpinnerUpbutton:
case StyleAppearance::SpinnerDownbutton:
case StyleAppearance::Toolbar:
case StyleAppearance::Statusbar:
case StyleAppearance::NumberInput:
case StyleAppearance::Textfield:
case StyleAppearance::Textarea:
case StyleAppearance::Searchfield:
case StyleAppearance::Toolbox:
case StyleAppearance::ProgressBar:
case StyleAppearance::Progresschunk:
case StyleAppearance::Meter:
case StyleAppearance::Meterchunk:
case StyleAppearance::Separator:
case StyleAppearance::Tabpanels:
case StyleAppearance::Tab:
case StyleAppearance::Treetwisty:
case StyleAppearance::Treetwistyopen:
case StyleAppearance::Treeview:
case StyleAppearance::Treeheader:
case StyleAppearance::Treeheadercell:
case StyleAppearance::Treeheadersortarrow:
case StyleAppearance::Treeitem:
case StyleAppearance::Treeline:
case StyleAppearance::MozMacSourceList:
case StyleAppearance::MozMacSourceListSelection:
case StyleAppearance::MozMacActiveSourceListSelection:
case StyleAppearance::Range:
case StyleAppearance::ScrollbarHorizontal:
case StyleAppearance::ScrollbarVertical:
case StyleAppearance::ScrollbarbuttonUp:
case StyleAppearance::ScrollbarbuttonDown:
case StyleAppearance::ScrollbarbuttonLeft:
case StyleAppearance::ScrollbarbuttonRight:
case StyleAppearance::ScrollbarthumbHorizontal:
case StyleAppearance::ScrollbarthumbVertical:
case StyleAppearance::ScrollbartrackVertical:
case StyleAppearance::ScrollbartrackHorizontal:
return !IsWidgetStyled(aPresContext, aFrame, aAppearance);
case StyleAppearance::Scrollcorner:
return true;
case StyleAppearance::Resizer: {
nsIFrame* parentFrame = aFrame->GetParent();
if (!parentFrame || !parentFrame->IsScrollFrame()) return true;
// Note that IsWidgetStyled is not called for resizers on Mac. This is
// because for scrollable containers, the native resizer looks better
// when (non-overlay) scrollbars are present even when the style is
// overriden, and the custom transparent resizer looks better when
// scrollbars are not present.
nsIScrollableFrame* scrollFrame = do_QueryFrame(parentFrame);
return (!LookAndFeel::UseOverlayScrollbars() && scrollFrame &&
(!scrollFrame->GetScrollbarVisibility().isEmpty()));
}
case StyleAppearance::FocusOutline:
return true;
case StyleAppearance::MozMacVibrantTitlebarLight:
case StyleAppearance::MozMacVibrantTitlebarDark:
return true;
default:
break;
}
return false;
}
bool nsNativeThemeCocoa::WidgetIsContainer(StyleAppearance aAppearance) {
// flesh this out at some point
switch (aAppearance) {
case StyleAppearance::MozMenulistArrowButton:
case StyleAppearance::Radio:
case StyleAppearance::Checkbox:
case StyleAppearance::ProgressBar:
case StyleAppearance::Meter:
case StyleAppearance::Range:
case StyleAppearance::MozMacHelpButton:
case StyleAppearance::MozMacDisclosureButtonOpen:
case StyleAppearance::MozMacDisclosureButtonClosed:
return false;
default:
break;
}
return true;
}
bool nsNativeThemeCocoa::ThemeDrawsFocusForWidget(StyleAppearance aAppearance) {
switch (aAppearance) {
case StyleAppearance::Textarea:
case StyleAppearance::Textfield:
case StyleAppearance::Searchfield:
case StyleAppearance::NumberInput:
case StyleAppearance::Menulist:
case StyleAppearance::MenulistButton:
case StyleAppearance::Button:
case StyleAppearance::MozMacHelpButton:
case StyleAppearance::MozMacDisclosureButtonOpen:
case StyleAppearance::MozMacDisclosureButtonClosed:
case StyleAppearance::Radio:
case StyleAppearance::Range:
case StyleAppearance::Checkbox:
return true;
default:
return false;
}
}
bool nsNativeThemeCocoa::ThemeNeedsComboboxDropmarker() { return false; }
bool nsNativeThemeCocoa::WidgetAppearanceDependsOnWindowFocus(StyleAppearance aAppearance) {
switch (aAppearance) {
case StyleAppearance::Dialog:
case StyleAppearance::Groupbox:
case StyleAppearance::Tabpanels:
case StyleAppearance::ButtonArrowUp:
case StyleAppearance::ButtonArrowDown:
case StyleAppearance::Checkmenuitem:
case StyleAppearance::Menupopup:
case StyleAppearance::Menuarrow:
case StyleAppearance::Menuitem:
case StyleAppearance::Menuseparator:
case StyleAppearance::Tooltip:
case StyleAppearance::Spinner:
case StyleAppearance::SpinnerUpbutton:
case StyleAppearance::SpinnerDownbutton:
case StyleAppearance::Separator:
case StyleAppearance::Toolbox:
case StyleAppearance::NumberInput:
case StyleAppearance::Textfield:
case StyleAppearance::Treeview:
case StyleAppearance::Treeline:
case StyleAppearance::Textarea:
case StyleAppearance::Listbox:
case StyleAppearance::Resizer:
return false;
default:
return true;
}
}
nsITheme::ThemeGeometryType nsNativeThemeCocoa::ThemeGeometryTypeForWidget(
nsIFrame* aFrame, StyleAppearance aAppearance) {
switch (aAppearance) {
case StyleAppearance::MozWindowTitlebar:
return eThemeGeometryTypeTitlebar;
case StyleAppearance::Toolbar:
return eThemeGeometryTypeToolbar;
case StyleAppearance::Toolbox:
return eThemeGeometryTypeToolbox;
case StyleAppearance::MozWindowButtonBox:
return eThemeGeometryTypeWindowButtons;
case StyleAppearance::MozMacVibrantTitlebarLight:
return eThemeGeometryTypeVibrantTitlebarLight;
case StyleAppearance::MozMacVibrantTitlebarDark:
return eThemeGeometryTypeVibrantTitlebarDark;
case StyleAppearance::Tooltip:
return eThemeGeometryTypeTooltip;
case StyleAppearance::Menupopup:
return eThemeGeometryTypeMenu;
case StyleAppearance::Menuitem:
case StyleAppearance::Checkmenuitem: {
EventStates eventState = GetContentState(aFrame, aAppearance);
bool isDisabled = IsDisabled(aFrame, eventState);
bool isSelected = !isDisabled && CheckBooleanAttr(aFrame, nsGkAtoms::menuactive);
return isSelected ? eThemeGeometryTypeHighlightedMenuItem : eThemeGeometryTypeMenu;
}
case StyleAppearance::MozMacSourceList:
return eThemeGeometryTypeSourceList;
case StyleAppearance::MozMacSourceListSelection:
return IsInSourceList(aFrame) ? eThemeGeometryTypeSourceListSelection
: eThemeGeometryTypeUnknown;
case StyleAppearance::MozMacActiveSourceListSelection:
return IsInSourceList(aFrame) ? eThemeGeometryTypeActiveSourceListSelection
: eThemeGeometryTypeUnknown;
default:
return eThemeGeometryTypeUnknown;
}
}
nsITheme::Transparency nsNativeThemeCocoa::GetWidgetTransparency(nsIFrame* aFrame,
StyleAppearance aAppearance) {
switch (aAppearance) {
case StyleAppearance::Menupopup:
case StyleAppearance::Tooltip:
case StyleAppearance::Dialog:
case StyleAppearance::Toolbar:
return eTransparent;
case StyleAppearance::ScrollbarHorizontal:
case StyleAppearance::ScrollbarVertical:
case StyleAppearance::Scrollcorner: {
// We don't use custom scrollbars when using overlay scrollbars.
if (LookAndFeel::UseOverlayScrollbars()) {
return eTransparent;
}
const nsStyleUI* ui = nsLayoutUtils::StyleForScrollbar(aFrame)->StyleUI();
if (!ui->mScrollbarColor.IsAuto() &&
ui->mScrollbarColor.AsColors().track.MaybeTransparent()) {
return eTransparent;
}
return eOpaque;
}
case StyleAppearance::Statusbar:
// Knowing that scrollbars and statusbars are opaque improves
// performance, because we create layers for them.
return eOpaque;
default:
return eUnknownTransparency;
}
}
already_AddRefed<nsITheme> do_GetNativeThemeDoNotUseDirectly() {
static nsCOMPtr<nsITheme> inst;
if (!inst) {
inst = new nsNativeThemeCocoa();
ClearOnShutdown(&inst);
}
return do_AddRef(inst);
}
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