Add m-esr52 at 52.6.0

1 files changed, 289 insertions, 0 deletions

diff --git a/widget/android/nsWindow.h b/widget/android/nsWindow.h
new file mode 100644
index 000000000..f3d7566f7
--- /dev/null
+++ b/widget/android/nsWindow.h
@@ -0,0 +1,289 @@
+/* -*- Mode: c++; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
+ * vim: set sw=4 ts=4 expandtab:
+ * 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"
+#include "GeneratedJNIWrappers.h"
+#include "mozilla/EventForwards.h"
+#include "mozilla/Mutex.h"
+#include "mozilla/StaticPtr.h"
+#include "mozilla/TextRange.h"
+#include "mozilla/UniquePtr.h"
+
+struct ANPEvent;
+
+namespace mozilla {
+    class TextComposition;
+    class WidgetTouchEvent;
+
+    namespace layers {
+        class CompositorBridgeParent;
+        class CompositorBridgeChild;
+        class LayerManager;
+        class APZCTreeManager;
+    }
+}
+
+class nsWindow : public nsBaseWidget
+{
+private:
+    virtual ~nsWindow();
+
+public:
+    using nsBaseWidget::GetLayerManager;
+
+    nsWindow();
+
+    NS_DECL_ISUPPORTS_INHERITED
+
+    static void InitNatives();
+    void SetScreenId(uint32_t aScreenId) { mScreenId = aScreenId; }
+
+private:
+    uint32_t mScreenId;
+
+    // An Event subclass that guards against stale events.
+    template<typename Lambda,
+             bool IsStatic = Lambda::isStatic,
+             typename InstanceType = typename Lambda::ThisArgType,
+             class Impl = typename Lambda::TargetClass>
+    class WindowEvent;
+
+    // Smart pointer for holding a pointer back to the nsWindow inside a native
+    // object class. The nsWindow pointer is automatically cleared when the
+    // nsWindow is destroyed, and a WindowPtr<Impl>::Locked class is provided
+    // for thread-safe access to the nsWindow pointer off of the Gecko thread.
+    template<class Impl> class WindowPtr;
+
+    // Smart pointer for holding a pointer to a native object class. The
+    // pointer is automatically cleared when the object is destroyed.
+    template<class Impl>
+    class NativePtr final
+    {
+        friend WindowPtr<Impl>;
+
+        static const char sName[];
+
+        WindowPtr<Impl>* mPtr;
+        Impl* mImpl;
+        mozilla::Mutex mImplLock;
+
+    public:
+        class Locked;
+
+        NativePtr() : mPtr(nullptr), mImpl(nullptr), mImplLock(sName) {}
+        ~NativePtr() { MOZ_ASSERT(!mPtr); }
+
+        operator Impl*() const
+        {
+            MOZ_ASSERT(NS_IsMainThread());
+            return mImpl;
+        }
+
+        Impl* operator->() const { return operator Impl*(); }
+
+        template<class Instance, typename... Args>
+        void Attach(Instance aInstance, nsWindow* aWindow, Args&&... aArgs);
+        void Detach();
+    };
+
+    class LayerViewSupport;
+    // Object that implements native LayerView calls.
+    // Owned by the Java LayerView instance.
+    NativePtr<LayerViewSupport> mLayerViewSupport;
+
+    class NPZCSupport;
+    // Object that implements native NativePanZoomController calls.
+    // Owned by the Java NativePanZoomController instance.
+    NativePtr<NPZCSupport> mNPZCSupport;
+
+    class GeckoViewSupport;
+    // Object that implements native GeckoView calls and associated states.
+    // nullptr for nsWindows that were not opened from GeckoView.
+    // Because other objects get destroyed in the mGeckOViewSupport destructor,
+    // keep it last in the list, so its destructor is called first.
+    mozilla::UniquePtr<GeckoViewSupport> mGeckoViewSupport;
+
+    // Class that implements native PresentationMediaPlayerManager calls.
+    class PMPMSupport;
+
+public:
+    static nsWindow* TopWindow();
+
+    void OnSizeChanged(const mozilla::gfx::IntSize& aSize);
+
+    void InitEvent(mozilla::WidgetGUIEvent& event,
+                   LayoutDeviceIntPoint* aPoint = 0);
+
+    void UpdateOverscrollVelocity(const float aX, const float aY);
+    void UpdateOverscrollOffset(const float aX, const float aY);
+    void SetScrollingRootContent(const bool isRootContent);
+
+    //
+    // nsIWidget
+    //
+
+    using nsBaseWidget::Create; // for Create signature not overridden here
+    virtual MOZ_MUST_USE nsresult Create(nsIWidget* aParent,
+                                         nsNativeWidget aNativeParent,
+                                         const LayoutDeviceIntRect& aRect,
+                                         nsWidgetInitData* aInitData) override;
+    virtual void Destroy() override;
+    NS_IMETHOD ConfigureChildren(const nsTArray<nsIWidget::Configuration>&) override;
+    NS_IMETHOD SetParent(nsIWidget* aNewParent) override;
+    virtual nsIWidget *GetParent(void) override;
+    virtual float GetDPI() override;
+    virtual double GetDefaultScaleInternal() override;
+    NS_IMETHOD Show(bool aState) override;
+    virtual bool IsVisible() const override;
+    virtual void ConstrainPosition(bool aAllowSlop,
+                                   int32_t *aX,
+                                   int32_t *aY) override;
+    NS_IMETHOD Move(double aX,
+                    double aY) override;
+    NS_IMETHOD Resize(double aWidth,
+                      double aHeight,
+                      bool   aRepaint) override;
+    NS_IMETHOD Resize(double aX,
+                      double aY,
+                      double aWidth,
+                      double aHeight,
+                      bool aRepaint) override;
+    void SetZIndex(int32_t aZIndex) override;
+    virtual void SetSizeMode(nsSizeMode aMode) override;
+    NS_IMETHOD Enable(bool aState) override;
+    virtual bool IsEnabled() const override;
+    NS_IMETHOD Invalidate(const LayoutDeviceIntRect& aRect) override;
+    NS_IMETHOD SetFocus(bool aRaise = false) override;
+    virtual LayoutDeviceIntRect GetScreenBounds() override;
+    virtual LayoutDeviceIntPoint WidgetToScreenOffset() override;
+    NS_IMETHOD DispatchEvent(mozilla::WidgetGUIEvent* aEvent,
+                             nsEventStatus& aStatus) override;
+    nsEventStatus DispatchEvent(mozilla::WidgetGUIEvent* aEvent);
+    virtual already_AddRefed<nsIScreen> GetWidgetScreen() override;
+    virtual nsresult MakeFullScreen(bool aFullScreen,
+                                    nsIScreen* aTargetScreen = nullptr)
+                                    override;
+
+    NS_IMETHOD SetCursor(nsCursor aCursor) override { return NS_ERROR_NOT_IMPLEMENTED; }
+    NS_IMETHOD SetCursor(imgIContainer* aCursor,
+                         uint32_t aHotspotX,
+                         uint32_t aHotspotY) override { 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) override { return NS_ERROR_NOT_IMPLEMENTED; }
+    void* GetNativeData(uint32_t aDataType) override;
+    void SetNativeData(uint32_t aDataType, uintptr_t aVal) override;
+    NS_IMETHOD SetTitle(const nsAString& aTitle) override { return NS_OK; }
+    NS_IMETHOD SetIcon(const nsAString& aIconSpec) override { return NS_OK; }
+    NS_IMETHOD GetAttention(int32_t aCycleCount) override { return NS_ERROR_NOT_IMPLEMENTED; }
+    NS_IMETHOD BeginResizeDrag(mozilla::WidgetGUIEvent* aEvent,
+                               int32_t aHorizontal,
+                               int32_t aVertical) override
+    {
+        return NS_ERROR_NOT_IMPLEMENTED;
+    }
+
+    NS_IMETHOD_(void) SetInputContext(const InputContext& aContext,
+                                      const InputContextAction& aAction) override;
+    NS_IMETHOD_(InputContext) GetInputContext() override;
+    virtual nsIMEUpdatePreference GetIMEUpdatePreference() override;
+
+    void SetSelectionDragState(bool aState);
+    LayerManager* GetLayerManager(PLayerTransactionChild* aShadowManager = nullptr,
+                                  LayersBackend aBackendHint = mozilla::layers::LayersBackend::LAYERS_NONE,
+                                  LayerManagerPersistence aPersistence = LAYER_MANAGER_CURRENT) override;
+
+    virtual bool NeedsPaint() override;
+    virtual bool PreRender(mozilla::widget::WidgetRenderingContext* aContext) override;
+    virtual void DrawWindowUnderlay(mozilla::widget::WidgetRenderingContext* aContext,
+                                    LayoutDeviceIntRect aRect) override;
+    virtual void DrawWindowOverlay(mozilla::widget::WidgetRenderingContext* aContext,
+                                   LayoutDeviceIntRect aRect) override;
+
+    virtual bool WidgetPaintsBackground() override;
+
+    virtual uint32_t GetMaxTouchPoints() const override;
+
+    void UpdateZoomConstraints(const uint32_t& aPresShellId,
+                               const FrameMetrics::ViewID& aViewId,
+                               const mozilla::Maybe<ZoomConstraints>& aConstraints) override;
+
+    nsresult SynthesizeNativeTouchPoint(uint32_t aPointerId,
+                                        TouchPointerState aPointerState,
+                                        LayoutDeviceIntPoint aPoint,
+                                        double aPointerPressure,
+                                        uint32_t aPointerOrientation,
+                                        nsIObserver* aObserver) override;
+    nsresult SynthesizeNativeMouseEvent(LayoutDeviceIntPoint aPoint,
+                                        uint32_t aNativeMessage,
+                                        uint32_t aModifierFlags,
+                                        nsIObserver* aObserver) override;
+    nsresult SynthesizeNativeMouseMove(LayoutDeviceIntPoint aPoint,
+                                       nsIObserver* aObserver) override;
+
+    CompositorBridgeParent* GetCompositorBridgeParent() const;
+
+    mozilla::jni::DependentRef<mozilla::java::GeckoLayerClient> GetLayerClient();
+
+protected:
+    void BringToFront();
+    nsWindow *FindTopLevel();
+    bool IsTopLevel();
+
+    RefPtr<mozilla::TextComposition> GetIMEComposition();
+    enum RemoveIMECompositionFlag {
+        CANCEL_IME_COMPOSITION,
+        COMMIT_IME_COMPOSITION
+    };
+    void RemoveIMEComposition(RemoveIMECompositionFlag aFlag = COMMIT_IME_COMPOSITION);
+
+    void ConfigureAPZControllerThread() override;
+    void DispatchHitTest(const mozilla::WidgetTouchEvent& aEvent);
+
+    already_AddRefed<GeckoContentController> CreateRootContentController() override;
+
+    // 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;
+
+    double mStartDist;
+    double mLastDist;
+
+    nsCOMPtr<nsIIdleServiceInternal> mIdleService;
+
+    bool mAwaitingFullScreen;
+    bool mIsFullScreen;
+
+    virtual nsresult NotifyIMEInternal(
+                         const IMENotification& aIMENotification) override;
+
+    bool UseExternalCompositingSurface() const override {
+      return true;
+    }
+
+    static void DumpWindows();
+    static void DumpWindows(const nsTArray<nsWindow*>& wins, int indent = 0);
+    static void LogWindow(nsWindow *win, int index, int indent);
+
+private:
+    void CreateLayerManager(int aCompositorWidth, int aCompositorHeight);
+    void RedrawAll();
+
+    mozilla::java::LayerRenderer::Frame::GlobalRef mLayerRendererFrame;
+};
+
+#endif /* NSWINDOW_H_ */