зеркало из https://github.com/mozilla/gecko-dev.git
387 строки
13 KiB
C++
387 строки
13 KiB
C++
/* -*- Mode: c++; c-basic-offset: 2; tab-width: 20; indent-tabs-mode: nil; -*-
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* vim: set sw=2 ts=4 expandtab:
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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 "EventDispatcher.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 WidgetTouchEvent;
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namespace layers {
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class CompositorBridgeChild;
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class LayerManager;
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class APZCTreeManager;
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class UiCompositorControllerChild;
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} // namespace layers
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namespace widget {
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class GeckoEditableSupport;
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} // namespace widget
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namespace ipc {
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class Shmem;
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} // namespace ipc
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namespace a11y {
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class SessionAccessibility;
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}
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} // namespace mozilla
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class nsWindow final : public nsBaseWidget {
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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_INLINE_DECL_REFCOUNTING_INHERITED(nsWindow, nsBaseWidget)
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static void InitNatives();
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void SetScreenId(uint32_t aScreenId) { mScreenId = aScreenId; }
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void OnGeckoViewReady();
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private:
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uint32_t mScreenId;
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// An Event subclass that guards against stale events.
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template <typename Lambda, 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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public:
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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>
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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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friend WindowPtr<Impl>;
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friend nsWindow;
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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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NativePtr() : mPtr(nullptr), mImpl(nullptr), mImplLock(sName) {}
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~NativePtr() { MOZ_ASSERT(!mPtr); }
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public:
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class Locked;
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operator Impl*() const {
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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 Cls, typename... Args>
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void Attach(const mozilla::jni::LocalRef<Cls>& aInstance, nsWindow* aWindow,
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Args&&... aArgs);
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template <class Cls, typename T>
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void Detach(const mozilla::jni::Ref<Cls, T>& aInstance);
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};
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template <class Impl>
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class WindowPtr final {
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friend NativePtr<Impl>;
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NativePtr<Impl>* mPtr;
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nsWindow* mWindow;
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mozilla::Mutex mWindowLock;
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public:
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class Locked final : private mozilla::MutexAutoLock {
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nsWindow* const mWindow;
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public:
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explicit Locked(WindowPtr<Impl>& aPtr)
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: mozilla::MutexAutoLock(aPtr.mWindowLock), mWindow(aPtr.mWindow) {}
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operator nsWindow*() const { return mWindow; }
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nsWindow* operator->() const { return mWindow; }
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};
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WindowPtr(NativePtr<Impl>* aPtr, nsWindow* aWindow);
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~WindowPtr() {
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MOZ_ASSERT(NS_IsMainThread());
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if (!mPtr) {
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return;
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}
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mPtr->mPtr = nullptr;
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mPtr->mImpl = nullptr;
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}
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operator nsWindow*() const {
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MOZ_ASSERT(NS_IsMainThread());
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return mWindow;
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}
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nsWindow* operator->() const { return operator nsWindow*(); }
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};
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private:
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class AndroidView final : public nsIAndroidView {
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virtual ~AndroidView() {}
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public:
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const RefPtr<mozilla::widget::EventDispatcher> mEventDispatcher{
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new mozilla::widget::EventDispatcher()};
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AndroidView() {}
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NS_DECL_ISUPPORTS
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NS_DECL_NSIANDROIDVIEW
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NS_FORWARD_NSIANDROIDEVENTDISPATCHER(mEventDispatcher->)
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mozilla::java::GeckoBundle::GlobalRef mInitData;
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};
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RefPtr<AndroidView> mAndroidView;
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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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// Object that implements native GeckoEditable calls.
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// Strong referenced by the Java instance.
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NativePtr<mozilla::widget::GeckoEditableSupport> mEditableSupport;
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mozilla::jni::Object::GlobalRef mEditableParent;
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// Object that implements native SessionAccessibility calls.
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// Strong referenced by the Java instance.
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NativePtr<mozilla::a11y::SessionAccessibility> mSessionAccessibility;
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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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mozilla::Atomic<bool, mozilla::ReleaseAcquire> mContentDocumentDisplayed;
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public:
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static already_AddRefed<nsWindow> From(nsPIDOMWindowOuter* aDOMWindow);
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static already_AddRefed<nsWindow> From(nsIWidget* aWidget);
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static nsWindow* TopWindow();
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static mozilla::Modifiers GetModifiers(int32_t aMetaState);
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static mozilla::TimeStamp GetEventTimeStamp(int64_t aEventTime);
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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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mozilla::widget::EventDispatcher* GetEventDispatcher() const {
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if (mAndroidView) {
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return mAndroidView->mEventDispatcher;
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}
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return nullptr;
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}
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void NotifyDisablingWebRender();
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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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virtual nsresult ConfigureChildren(
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const nsTArray<nsIWidget::Configuration>&) override;
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virtual void 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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virtual void Show(bool aState) override;
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virtual bool IsVisible() const override;
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virtual void ConstrainPosition(bool aAllowSlop, int32_t* aX,
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int32_t* aY) override;
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virtual void Move(double aX, double aY) override;
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virtual void Resize(double aWidth, double aHeight, bool aRepaint) override;
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virtual void Resize(double aX, double aY, double aWidth, 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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virtual void Enable(bool aState) override;
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virtual bool IsEnabled() const override;
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virtual void Invalidate(const LayoutDeviceIntRect& aRect) override;
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virtual void SetFocus(Raise) override;
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virtual LayoutDeviceIntRect GetScreenBounds() override;
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virtual LayoutDeviceIntPoint WidgetToScreenOffset() override;
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virtual nsresult 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 already_AddRefed<nsIScreen> GetWidgetScreen() override;
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virtual nsresult MakeFullScreen(bool aFullScreen,
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nsIScreen* aTargetScreen = nullptr) override;
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void SetCursor(nsCursor aDefaultCursor, imgIContainer* aImageCursor,
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uint32_t aHotspotX, uint32_t aHotspotY) override {}
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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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virtual nsresult SetTitle(const nsAString& aTitle) override { return NS_OK; }
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virtual MOZ_MUST_USE nsresult GetAttention(int32_t aCycleCount) override {
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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TextEventDispatcherListener* GetNativeTextEventDispatcherListener() override;
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virtual void SetInputContext(const InputContext& aContext,
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const InputContextAction& aAction) override;
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virtual InputContext GetInputContext() override;
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LayerManager* GetLayerManager(
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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 bool WidgetPaintsBackground() override;
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virtual uint32_t GetMaxTouchPoints() const override;
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void UpdateZoomConstraints(
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const uint32_t& aPresShellId, const ScrollableLayerGuid::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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mozilla::layers::CompositorBridgeChild* GetCompositorBridgeChild() const;
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void SetContentDocumentDisplayed(bool aDisplayed);
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bool IsContentDocumentDisplayed();
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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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mozilla::jni::Object::Ref& GetEditableParent() { return mEditableParent; }
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mozilla::a11y::SessionAccessibility* GetSessionAccessibility() {
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return mSessionAccessibility;
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}
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void RecvToolbarAnimatorMessageFromCompositor(int32_t aMessage) override;
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void UpdateRootFrameMetrics(const ScreenPoint& aScrollOffset,
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const CSSToScreenScale& aZoom) override;
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void RecvScreenPixels(mozilla::ipc::Shmem&& aMem,
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const ScreenIntSize& aSize) override;
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nsresult SetPrefersReducedMotionOverrideForTest(bool aValue) override;
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nsresult ResetPrefersReducedMotionOverrideForTest() override;
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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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void ConfigureAPZControllerThread() override;
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void DispatchHitTest(const mozilla::WidgetTouchEvent& aEvent);
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already_AddRefed<GeckoContentController> CreateRootContentController()
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override;
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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 mIsFullScreen;
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bool mIsDisablingWebRender;
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bool UseExternalCompositingSurface() const override { return true; }
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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();
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void RedrawAll();
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mozilla::layers::LayersId GetRootLayerId() const;
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RefPtr<mozilla::layers::UiCompositorControllerChild>
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GetUiCompositorControllerChild();
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};
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// Explicit template declarations to make clang be quiet.
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template <>
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const char nsWindow::NativePtr<nsWindow::LayerViewSupport>::sName[];
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template <>
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const char nsWindow::NativePtr<mozilla::widget::GeckoEditableSupport>::sName[];
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template <>
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const char nsWindow::NativePtr<mozilla::a11y::SessionAccessibility>::sName[];
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template <>
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const char nsWindow::NativePtr<nsWindow::NPZCSupport>::sName[];
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template <class Impl>
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nsWindow::WindowPtr<Impl>::WindowPtr(NativePtr<Impl>* aPtr, nsWindow* aWindow)
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: mPtr(aPtr), mWindow(aWindow), mWindowLock(NativePtr<Impl>::sName) {
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MOZ_ASSERT(NS_IsMainThread());
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if (mPtr) {
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mPtr->mPtr = this;
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}
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}
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#endif /* NSWINDOW_H_ */
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