зеркало из https://github.com/mozilla/gecko-dev.git
276 строки
10 KiB
C++
276 строки
10 KiB
C++
/* -*- Mode: c++; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef NSWINDOW_H_
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#define NSWINDOW_H_
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#include "nsBaseWidget.h"
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#include "gfxPoint.h"
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#include "nsIIdleServiceInternal.h"
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#include "nsTArray.h"
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#include "AndroidJavaWrappers.h"
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#include "GeneratedJNIWrappers.h"
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#include "mozilla/EventForwards.h"
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#include "mozilla/Mutex.h"
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#include "mozilla/StaticPtr.h"
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#include "mozilla/TextRange.h"
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#include "mozilla/UniquePtr.h"
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struct ANPEvent;
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namespace mozilla {
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class TextComposition;
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class WidgetTouchEvent;
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namespace layers {
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class CompositorBridgeParent;
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class CompositorBridgeChild;
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class LayerManager;
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class APZCTreeManager;
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}
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}
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class nsWindow : public nsBaseWidget
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{
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private:
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virtual ~nsWindow();
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public:
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using nsBaseWidget::GetLayerManager;
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nsWindow();
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NS_DECL_ISUPPORTS_INHERITED
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static void InitNatives();
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private:
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// An Event subclass that guards against stale events.
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template<typename Lambda,
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bool IsStatic = Lambda::isStatic,
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typename InstanceType = typename Lambda::ThisArgType,
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class Impl = typename Lambda::TargetClass>
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class WindowEvent;
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// Smart pointer for holding a pointer back to the nsWindow inside a native
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// object class. The nsWindow pointer is automatically cleared when the
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// nsWindow is destroyed, and a WindowPtr<Impl>::Locked class is provided
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// for thread-safe access to the nsWindow pointer off of the Gecko thread.
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template<class Impl> class WindowPtr;
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// Smart pointer for holding a pointer to a native object class. The
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// pointer is automatically cleared when the object is destroyed.
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template<class Impl>
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class NativePtr final
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{
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friend WindowPtr<Impl>;
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static const char sName[];
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WindowPtr<Impl>* mPtr;
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Impl* mImpl;
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mozilla::Mutex mImplLock;
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public:
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class Locked;
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NativePtr() : mPtr(nullptr), mImpl(nullptr), mImplLock(sName) {}
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~NativePtr() { MOZ_ASSERT(!mPtr); }
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operator Impl*() const
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{
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MOZ_ASSERT(NS_IsMainThread());
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return mImpl;
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}
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Impl* operator->() const { return operator Impl*(); }
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template<class Instance, typename... Args>
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void Attach(Instance aInstance, nsWindow* aWindow, Args&&... aArgs);
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void Detach();
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};
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class LayerViewSupport;
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// Object that implements native LayerView calls.
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// Owned by the Java LayerView instance.
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NativePtr<LayerViewSupport> mLayerViewSupport;
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class NPZCSupport;
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// Object that implements native NativePanZoomController calls.
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// Owned by the Java NativePanZoomController instance.
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NativePtr<NPZCSupport> mNPZCSupport;
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class GeckoViewSupport;
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// Object that implements native GeckoView calls and associated states.
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// nullptr for nsWindows that were not opened from GeckoView.
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// Because other objects get destroyed in the mGeckOViewSupport destructor,
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// keep it last in the list, so its destructor is called first.
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mozilla::UniquePtr<GeckoViewSupport> mGeckoViewSupport;
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// Class that implements native PresentationMediaPlayerManager calls.
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class PMPMSupport;
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public:
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static nsWindow* TopWindow();
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void OnSizeChanged(const mozilla::gfx::IntSize& aSize);
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void InitEvent(mozilla::WidgetGUIEvent& event,
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LayoutDeviceIntPoint* aPoint = 0);
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void UpdateOverscrollVelocity(const float aX, const float aY);
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void UpdateOverscrollOffset(const float aX, const float aY);
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void SetScrollingRootContent(const bool isRootContent);
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//
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// nsIWidget
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//
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using nsBaseWidget::Create; // for Create signature not overridden here
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virtual MOZ_MUST_USE nsresult Create(nsIWidget* aParent,
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nsNativeWidget aNativeParent,
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const LayoutDeviceIntRect& aRect,
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nsWidgetInitData* aInitData) override;
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virtual void Destroy() override;
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NS_IMETHOD ConfigureChildren(const nsTArray<nsIWidget::Configuration>&) override;
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NS_IMETHOD SetParent(nsIWidget* aNewParent) override;
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virtual nsIWidget *GetParent(void) override;
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virtual float GetDPI() override;
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virtual double GetDefaultScaleInternal() override;
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NS_IMETHOD Show(bool aState) override;
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virtual bool IsVisible() const override;
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virtual void ConstrainPosition(bool aAllowSlop,
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int32_t *aX,
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int32_t *aY) override;
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NS_IMETHOD Move(double aX,
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double aY) override;
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NS_IMETHOD Resize(double aWidth,
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double aHeight,
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bool aRepaint) override;
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NS_IMETHOD Resize(double aX,
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double aY,
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double aWidth,
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double aHeight,
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bool aRepaint) override;
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void SetZIndex(int32_t aZIndex) override;
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virtual void SetSizeMode(nsSizeMode aMode) override;
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NS_IMETHOD Enable(bool aState) override;
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virtual bool IsEnabled() const override;
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NS_IMETHOD Invalidate(const LayoutDeviceIntRect& aRect) override;
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NS_IMETHOD SetFocus(bool aRaise = false) override;
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virtual LayoutDeviceIntRect GetScreenBounds() override;
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virtual LayoutDeviceIntPoint WidgetToScreenOffset() override;
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NS_IMETHOD DispatchEvent(mozilla::WidgetGUIEvent* aEvent,
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nsEventStatus& aStatus) override;
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nsEventStatus DispatchEvent(mozilla::WidgetGUIEvent* aEvent);
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virtual nsresult MakeFullScreen(bool aFullScreen,
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nsIScreen* aTargetScreen = nullptr)
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override;
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NS_IMETHOD SetCursor(nsCursor aCursor) override { return NS_ERROR_NOT_IMPLEMENTED; }
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NS_IMETHOD SetCursor(imgIContainer* aCursor,
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uint32_t aHotspotX,
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uint32_t aHotspotY) override { return NS_ERROR_NOT_IMPLEMENTED; }
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NS_IMETHOD SetHasTransparentBackground(bool aTransparent) { return NS_OK; }
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NS_IMETHOD GetHasTransparentBackground(bool& aTransparent) { aTransparent = false; return NS_OK; }
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NS_IMETHOD HideWindowChrome(bool aShouldHide) override { return NS_ERROR_NOT_IMPLEMENTED; }
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void* GetNativeData(uint32_t aDataType) override;
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void SetNativeData(uint32_t aDataType, uintptr_t aVal) override;
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NS_IMETHOD SetTitle(const nsAString& aTitle) override { return NS_OK; }
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NS_IMETHOD SetIcon(const nsAString& aIconSpec) override { return NS_OK; }
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NS_IMETHOD GetAttention(int32_t aCycleCount) override { return NS_ERROR_NOT_IMPLEMENTED; }
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NS_IMETHOD BeginResizeDrag(mozilla::WidgetGUIEvent* aEvent,
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int32_t aHorizontal,
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int32_t aVertical) override
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHOD_(void) SetInputContext(const InputContext& aContext,
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const InputContextAction& aAction) override;
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NS_IMETHOD_(InputContext) GetInputContext() override;
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virtual nsIMEUpdatePreference GetIMEUpdatePreference() override;
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void SetSelectionDragState(bool aState);
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LayerManager* GetLayerManager(PLayerTransactionChild* aShadowManager = nullptr,
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LayersBackend aBackendHint = mozilla::layers::LayersBackend::LAYERS_NONE,
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LayerManagerPersistence aPersistence = LAYER_MANAGER_CURRENT) override;
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virtual bool NeedsPaint() override;
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virtual void DrawWindowUnderlay(LayerManagerComposite* aManager, LayoutDeviceIntRect aRect) override;
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virtual void DrawWindowOverlay(LayerManagerComposite* aManager, LayoutDeviceIntRect aRect) override;
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virtual bool WidgetPaintsBackground() override;
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virtual uint32_t GetMaxTouchPoints() const override;
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void UpdateZoomConstraints(const uint32_t& aPresShellId,
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const FrameMetrics::ViewID& aViewId,
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const mozilla::Maybe<ZoomConstraints>& aConstraints) override;
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nsresult SynthesizeNativeTouchPoint(uint32_t aPointerId,
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TouchPointerState aPointerState,
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LayoutDeviceIntPoint aPoint,
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double aPointerPressure,
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uint32_t aPointerOrientation,
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nsIObserver* aObserver) override;
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nsresult SynthesizeNativeMouseEvent(LayoutDeviceIntPoint aPoint,
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uint32_t aNativeMessage,
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uint32_t aModifierFlags,
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nsIObserver* aObserver) override;
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nsresult SynthesizeNativeMouseMove(LayoutDeviceIntPoint aPoint,
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nsIObserver* aObserver) override;
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CompositorBridgeParent* GetCompositorBridgeParent() const;
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protected:
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void BringToFront();
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nsWindow *FindTopLevel();
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bool IsTopLevel();
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RefPtr<mozilla::TextComposition> GetIMEComposition();
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void RemoveIMEComposition();
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void ConfigureAPZControllerThread() override;
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void DispatchHitTest(const mozilla::WidgetTouchEvent& aEvent);
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already_AddRefed<GeckoContentController> CreateRootContentController() override;
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// Call this function when the users activity is the direct cause of an
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// event (like a keypress or mouse click).
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void UserActivity();
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bool mIsVisible;
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nsTArray<nsWindow*> mChildren;
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nsWindow* mParent;
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double mStartDist;
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double mLastDist;
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nsCOMPtr<nsIIdleServiceInternal> mIdleService;
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bool mAwaitingFullScreen;
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bool mIsFullScreen;
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virtual nsresult NotifyIMEInternal(
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const IMENotification& aIMENotification) override;
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bool UseExternalCompositingSurface() const override {
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return true;
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}
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static void DumpWindows();
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static void DumpWindows(const nsTArray<nsWindow*>& wins, int indent = 0);
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static void LogWindow(nsWindow *win, int index, int indent);
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private:
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void CreateLayerManager(int aCompositorWidth, int aCompositorHeight);
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void RedrawAll();
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mozilla::java::LayerRenderer::Frame::GlobalRef mLayerRendererFrame;
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};
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#endif /* NSWINDOW_H_ */
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