pjs/widget/android/nsWindow.h

252 строки
9.4 KiB
C++

/* -*- Mode: c++; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Android code.
*
* The Initial Developer of the Original Code is Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Vladimir Vukicevic <vladimir@pobox.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef NSWINDOW_H_
#define NSWINDOW_H_
#include "nsBaseWidget.h"
#include "gfxPoint.h"
#include "nsTArray.h"
#ifdef ACCESSIBILITY
#include "nsAccessible.h"
#endif
class gfxASurface;
class nsIdleService;
namespace mozilla {
class AndroidGeckoEvent;
class AndroidKeyEvent;
}
class nsWindow :
public nsBaseWidget
{
public:
using nsBaseWidget::GetLayerManager;
nsWindow();
virtual ~nsWindow();
NS_DECL_ISUPPORTS_INHERITED
static void OnGlobalAndroidEvent(mozilla::AndroidGeckoEvent *ae);
static gfxIntSize GetAndroidScreenBounds();
nsWindow* FindWindowForPoint(const nsIntPoint& pt);
void OnAndroidEvent(mozilla::AndroidGeckoEvent *ae);
void OnDraw(mozilla::AndroidGeckoEvent *ae);
bool OnMultitouchEvent(mozilla::AndroidGeckoEvent *ae);
void OnGestureEvent(mozilla::AndroidGeckoEvent *ae);
void OnMotionEvent(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,
EVENT_CALLBACK aHandleEventFunction,
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();
NS_IMETHOD Show(bool aState);
NS_IMETHOD SetModal(bool aModal);
NS_IMETHOD IsVisible(bool & aState);
NS_IMETHOD ConstrainPosition(bool aAllowSlop,
PRInt32 *aX,
PRInt32 *aY);
NS_IMETHOD Move(PRInt32 aX,
PRInt32 aY);
NS_IMETHOD Resize(PRInt32 aWidth,
PRInt32 aHeight,
bool aRepaint);
NS_IMETHOD Resize(PRInt32 aX,
PRInt32 aY,
PRInt32 aWidth,
PRInt32 aHeight,
bool aRepaint);
NS_IMETHOD SetZIndex(PRInt32 aZIndex);
NS_IMETHOD PlaceBehind(nsTopLevelWidgetZPlacement aPlacement,
nsIWidget *aWidget,
bool aActivate);
NS_IMETHOD SetSizeMode(PRInt32 aMode);
NS_IMETHOD Enable(bool aState);
NS_IMETHOD IsEnabled(bool *aState);
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,
PRUint32 aHotspotX,
PRUint32 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(PRUint32 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,
bool aConsumeRollupEvent) { return NS_ERROR_NOT_IMPLEMENTED; }
NS_IMETHOD GetAttention(PRInt32 aCycleCount) { return NS_ERROR_NOT_IMPLEMENTED; }
NS_IMETHOD BeginResizeDrag(nsGUIEvent* aEvent, PRInt32 aHorizontal, PRInt32 aVertical) { return NS_ERROR_NOT_IMPLEMENTED; }
NS_IMETHOD ResetInputState();
NS_IMETHOD_(void) SetInputContext(const InputContext& aContext,
const InputContextAction& aAction);
NS_IMETHOD_(InputContext) GetInputContext();
NS_IMETHOD CancelIMEComposition();
NS_IMETHOD OnIMEFocusChange(bool aFocus);
NS_IMETHOD OnIMETextChange(PRUint32 aStart, PRUint32 aOldEnd, PRUint32 aNewEnd);
NS_IMETHOD OnIMESelectionChange(void);
virtual nsIMEUpdatePreference GetIMEUpdatePreference();
LayerManager* GetLayerManager (PLayersChild* aShadowManager = nsnull,
LayersBackend aBackendHint = LayerManager::LAYERS_NONE,
LayerManagerPersistence aPersistence = LAYER_MANAGER_CURRENT,
bool* aAllowRetaining = nsnull);
gfxASurface* GetThebesSurface();
NS_IMETHOD ReparentNativeWidget(nsIWidget* aNewParent);
#ifdef ACCESSIBILITY
static bool sAccessibilityEnabled;
#endif
#ifdef MOZ_JAVA_COMPOSITOR
static void BindToTexture();
static bool HasDirectTexture();
#endif
protected:
void BringToFront();
nsWindow *FindTopLevel();
bool DrawTo(gfxASurface *targetSurface);
bool DrawTo(gfxASurface *targetSurface, const nsIntRect &aRect);
bool IsTopLevel();
void OnIMEAddRange(mozilla::AndroidGeckoEvent *ae);
// 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;
bool mGestureFinished;
double mStartDist;
double mLastDist;
nsAutoPtr<nsIntPoint> mStartPoint;
// Multitouch swipe thresholds in screen pixels
double mSwipeMaxPinchDelta;
double mSwipeMinDistance;
nsCOMPtr<nsIdleService> mIdleService;
bool mIMEComposing;
nsString mIMEComposingText;
nsString mIMELastDispatchedComposingText;
nsAutoTArray<nsTextRange, 4> mIMERanges;
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);
bool DispatchMultitouchEvent(nsTouchEvent &event,
mozilla::AndroidGeckoEvent *ae);
void DispatchMotionEvent(nsInputEvent &event,
mozilla::AndroidGeckoEvent *ae,
const nsIntPoint &refPoint);
void DispatchGestureEvent(PRUint32 msg, PRUint32 direction, double delta,
const nsIntPoint &refPoint, PRUint64 time);
void HandleSpecialKey(mozilla::AndroidGeckoEvent *ae);
void RedrawAll();
#ifdef ACCESSIBILITY
nsRefPtr<nsAccessible> mRootAccessible;
/**
* Request to create the accessible for this window if it is top level.
*/
void CreateRootAccessible();
/**
* Generate the NS_GETACCESSIBLE event to get accessible for this window
* and return it.
*/
nsAccessible *DispatchAccessibleEvent();
#endif // ACCESSIBILITY
};
#endif /* NSWINDOW_H_ */