gecko-dev/widget/android/nsWindow.h

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/* -*- Mode: c++; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
* 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/. */
#ifndef NSWINDOW_H_
#define NSWINDOW_H_
#include "nsBaseWidget.h"
#include "gfxPoint.h"
#include "nsIIdleServiceInternal.h"
#include "nsTArray.h"
#include "AndroidJavaWrappers.h"
class gfxASurface;
struct ANPEvent;
namespace mozilla {
class AndroidGeckoEvent;
namespace layers {
class CompositorParent;
class CompositorChild;
class LayerManager;
class AsyncPanZoomController;
}
}
class nsWindow :
public nsBaseWidget
{
public:
using nsBaseWidget::GetLayerManager;
nsWindow();
virtual ~nsWindow();
NS_DECL_ISUPPORTS_INHERITED
static void OnGlobalAndroidEvent(mozilla::AndroidGeckoEvent *ae);
static gfxIntSize GetAndroidScreenBounds();
static nsWindow* TopWindow();
nsWindow* FindWindowForPoint(const nsIntPoint& pt);
void OnAndroidEvent(mozilla::AndroidGeckoEvent *ae);
void OnDraw(mozilla::AndroidGeckoEvent *ae);
bool OnMultitouchEvent(mozilla::AndroidGeckoEvent *ae);
void OnNativeGestureEvent(mozilla::AndroidGeckoEvent *ae);
void OnMouseEvent(mozilla::AndroidGeckoEvent *ae);
void OnKeyEvent(mozilla::AndroidGeckoEvent *ae);
void OnIMEEvent(mozilla::AndroidGeckoEvent *ae);
void OnSizeChanged(const gfxIntSize& aSize);
void InitEvent(nsGUIEvent& event, nsIntPoint* aPoint = 0);
//
// nsIWidget
//
NS_IMETHOD Create(nsIWidget *aParent,
nsNativeWidget aNativeParent,
const nsIntRect &aRect,
nsDeviceContext *aContext,
nsWidgetInitData *aInitData);
NS_IMETHOD Destroy(void);
NS_IMETHOD ConfigureChildren(const nsTArray<nsIWidget::Configuration>&);
NS_IMETHOD SetParent(nsIWidget* aNewParent);
virtual nsIWidget *GetParent(void);
virtual float GetDPI();
virtual double GetDefaultScaleInternal();
NS_IMETHOD Show(bool aState);
NS_IMETHOD SetModal(bool aModal);
virtual bool IsVisible() const;
NS_IMETHOD ConstrainPosition(bool aAllowSlop,
int32_t *aX,
int32_t *aY);
NS_IMETHOD Move(double aX,
double aY);
NS_IMETHOD Resize(double aWidth,
double aHeight,
bool aRepaint);
NS_IMETHOD Resize(double aX,
double aY,
double aWidth,
double aHeight,
bool aRepaint);
NS_IMETHOD SetZIndex(int32_t aZIndex);
NS_IMETHOD PlaceBehind(nsTopLevelWidgetZPlacement aPlacement,
nsIWidget *aWidget,
bool aActivate);
NS_IMETHOD SetSizeMode(int32_t aMode);
NS_IMETHOD Enable(bool aState);
virtual bool IsEnabled() const;
NS_IMETHOD Invalidate(const nsIntRect &aRect);
NS_IMETHOD SetFocus(bool aRaise = false);
NS_IMETHOD GetScreenBounds(nsIntRect &aRect);
virtual nsIntPoint WidgetToScreenOffset();
NS_IMETHOD DispatchEvent(nsGUIEvent *aEvent, nsEventStatus &aStatus);
nsEventStatus DispatchEvent(nsGUIEvent *aEvent);
NS_IMETHOD MakeFullScreen(bool aFullScreen);
NS_IMETHOD SetWindowClass(const nsAString& xulWinType);
NS_IMETHOD SetForegroundColor(const nscolor &aColor) { return NS_ERROR_NOT_IMPLEMENTED; }
NS_IMETHOD SetBackgroundColor(const nscolor &aColor) { return NS_ERROR_NOT_IMPLEMENTED; }
NS_IMETHOD SetCursor(nsCursor aCursor) { return NS_ERROR_NOT_IMPLEMENTED; }
NS_IMETHOD SetCursor(imgIContainer* aCursor,
uint32_t aHotspotX,
uint32_t aHotspotY) { return NS_ERROR_NOT_IMPLEMENTED; }
NS_IMETHOD SetHasTransparentBackground(bool aTransparent) { return NS_OK; }
NS_IMETHOD GetHasTransparentBackground(bool& aTransparent) { aTransparent = false; return NS_OK; }
NS_IMETHOD HideWindowChrome(bool aShouldHide) { return NS_ERROR_NOT_IMPLEMENTED; }
virtual void* GetNativeData(uint32_t aDataType);
NS_IMETHOD SetTitle(const nsAString& aTitle) { return NS_OK; }
NS_IMETHOD SetIcon(const nsAString& aIconSpec) { return NS_OK; }
NS_IMETHOD EnableDragDrop(bool aEnable) { return NS_OK; }
NS_IMETHOD CaptureMouse(bool aCapture) { return NS_ERROR_NOT_IMPLEMENTED; }
NS_IMETHOD CaptureRollupEvents(nsIRollupListener *aListener,
bool aDoCapture) { return NS_ERROR_NOT_IMPLEMENTED; }
NS_IMETHOD GetAttention(int32_t aCycleCount) { return NS_ERROR_NOT_IMPLEMENTED; }
NS_IMETHOD BeginResizeDrag(nsGUIEvent* aEvent, int32_t aHorizontal, int32_t aVertical) { return NS_ERROR_NOT_IMPLEMENTED; }
NS_IMETHOD NotifyIME(NotificationToIME aNotification) MOZ_OVERRIDE;
NS_IMETHOD_(void) SetInputContext(const InputContext& aContext,
const InputContextAction& aAction);
NS_IMETHOD_(InputContext) GetInputContext();
NS_IMETHOD NotifyIMEOfTextChange(uint32_t aStart,
uint32_t aOldEnd,
uint32_t aNewEnd) MOZ_OVERRIDE;
virtual nsIMEUpdatePreference GetIMEUpdatePreference();
LayerManager* GetLayerManager (PLayerTransactionChild* aShadowManager = nullptr,
LayersBackend aBackendHint = mozilla::layers::LAYERS_NONE,
LayerManagerPersistence aPersistence = LAYER_MANAGER_CURRENT,
bool* aAllowRetaining = nullptr);
NS_IMETHOD ReparentNativeWidget(nsIWidget* aNewParent);
virtual bool NeedsPaint();
virtual void DrawWindowUnderlay(LayerManager* aManager, nsIntRect aRect);
virtual void DrawWindowOverlay(LayerManager* aManager, nsIntRect aRect);
virtual mozilla::layers::CompositorParent* NewCompositorParent(int aSurfaceWidth, int aSurfaceHeight) MOZ_OVERRIDE;
static void SetCompositor(mozilla::layers::LayerManager* aLayerManager,
mozilla::layers::CompositorParent* aCompositorParent,
mozilla::layers::CompositorChild* aCompositorChild);
static void ScheduleComposite();
static void ScheduleResumeComposition(int width, int height);
static void ForceIsFirstPaint();
static float ComputeRenderIntegrity();
static void SetPanZoomController(mozilla::layers::AsyncPanZoomController* apzc);
static mozilla::layers::AsyncPanZoomController* GetPanZoomController();
virtual bool WidgetPaintsBackground();
protected:
void BringToFront();
nsWindow *FindTopLevel();
bool DrawTo(gfxASurface *targetSurface);
bool DrawTo(gfxASurface *targetSurface, const nsIntRect &aRect);
bool IsTopLevel();
void RemoveIMEComposition();
void PostFlushIMEChanges();
void FlushIMEChanges();
// Call this function when the users activity is the direct cause of an
// event (like a keypress or mouse click).
void UserActivity();
bool mIsVisible;
nsTArray<nsWindow*> mChildren;
nsWindow* mParent;
nsWindow* mFocus;
double mStartDist;
double mLastDist;
nsCOMPtr<nsIIdleServiceInternal> mIdleService;
bool mIMEComposing;
bool mIMEMaskSelectionUpdate, mIMEMaskTextUpdate;
int32_t mIMEMaskEventsCount; // Mask events when > 0
nsString mIMEComposingText;
nsAutoTArray<nsTextRange, 4> mIMERanges;
bool mIMEUpdatingContext;
nsAutoTArray<mozilla::AndroidGeckoEvent, 8> mIMEKeyEvents;
struct IMEChange {
int32_t mStart, mOldEnd, mNewEnd;
IMEChange() :
mStart(-1), mOldEnd(-1), mNewEnd(-1)
{
}
IMEChange(int32_t start, int32_t oldEnd, int32_t newEnd) :
mStart(start), mOldEnd(oldEnd), mNewEnd(newEnd)
{
}
bool IsEmpty()
{
return mStart < 0;
}
};
nsAutoTArray<IMEChange, 4> mIMETextChanges;
bool mIMESelectionChanged;
InputContext mInputContext;
static void DumpWindows();
static void DumpWindows(const nsTArray<nsWindow*>& wins, int indent = 0);
static void LogWindow(nsWindow *win, int index, int indent);
private:
void InitKeyEvent(nsKeyEvent& event, mozilla::AndroidGeckoEvent& key,
ANPEvent* pluginEvent);
void DispatchMotionEvent(nsInputEvent &event,
mozilla::AndroidGeckoEvent *ae,
const nsIntPoint &refPoint);
void DispatchGestureEvent(uint32_t msg, uint32_t direction, double delta,
const nsIntPoint &refPoint, uint64_t time);
void HandleSpecialKey(mozilla::AndroidGeckoEvent *ae);
void CreateLayerManager(int aCompositorWidth, int aCompositorHeight);
void RedrawAll();
mozilla::AndroidLayerRendererFrame mLayerRendererFrame;
static nsRefPtr<mozilla::layers::LayerManager> sLayerManager;
static nsRefPtr<mozilla::layers::CompositorParent> sCompositorParent;
static nsRefPtr<mozilla::layers::CompositorChild> sCompositorChild;
static bool sCompositorPaused;
static nsRefPtr<mozilla::layers::AsyncPanZoomController> sApzc;
};
#endif /* NSWINDOW_H_ */