gecko-dev/widget/android/nsWindow.h
Emilio Cobos Álvarez fffb25b74f Bug 1465585: Switch from mozilla::Move to std::move. r=froydnj
This was done automatically replacing:

  s/mozilla::Move/std::move/
  s/ Move(/ std::move(/
  s/(Move(/(std::move(/

Removing the 'using mozilla::Move;' lines.

And then with a few manual fixups, see the bug for the split series..

MozReview-Commit-ID: Jxze3adipUh
2018-06-01 10:45:27 +02:00

368 lines
13 KiB
C++

/* -*- 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 "EventDispatcher.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 WidgetTouchEvent;
namespace layers {
class CompositorBridgeChild;
class LayerManager;
class APZCTreeManager;
class UiCompositorControllerChild;
}
namespace widget {
class GeckoEditableSupport;
} // namespace widget
namespace ipc {
class Shmem;
} // namespace ipc
}
class nsWindow final : public nsBaseWidget
{
private:
virtual ~nsWindow();
public:
using nsBaseWidget::GetLayerManager;
nsWindow();
NS_INLINE_DECL_REFCOUNTING_INHERITED(nsWindow, nsBaseWidget)
static void InitNatives();
void SetScreenId(uint32_t aScreenId) { mScreenId = aScreenId; }
void OnGeckoViewReady();
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;
public:
// 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();
};
template<class Impl>
class WindowPtr final
{
friend NativePtr<Impl>;
NativePtr<Impl>* mPtr;
nsWindow* mWindow;
mozilla::Mutex mWindowLock;
public:
class Locked final : private mozilla::MutexAutoLock
{
nsWindow* const mWindow;
public:
explicit Locked(WindowPtr<Impl>& aPtr)
: mozilla::MutexAutoLock(aPtr.mWindowLock)
, mWindow(aPtr.mWindow)
{}
operator nsWindow*() const { return mWindow; }
nsWindow* operator->() const { return mWindow; }
};
WindowPtr(NativePtr<Impl>* aPtr, nsWindow* aWindow);
~WindowPtr()
{
MOZ_ASSERT(NS_IsMainThread());
if (!mPtr) {
return;
}
mPtr->mPtr = nullptr;
mPtr->mImpl = nullptr;
}
operator nsWindow*() const
{
MOZ_ASSERT(NS_IsMainThread());
return mWindow;
}
nsWindow* operator->() const { return operator nsWindow*(); }
};
private:
class AndroidView final : public nsIAndroidView
{
virtual ~AndroidView() {}
public:
const RefPtr<mozilla::widget::EventDispatcher> mEventDispatcher{
new mozilla::widget::EventDispatcher()};
AndroidView() {}
NS_DECL_ISUPPORTS
NS_DECL_NSIANDROIDVIEW
NS_FORWARD_NSIANDROIDEVENTDISPATCHER(mEventDispatcher->)
mozilla::java::GeckoBundle::GlobalRef mInitData;
};
RefPtr<AndroidView> mAndroidView;
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;
// Object that implements native GeckoEditable calls.
// Strong referenced by the Java instance.
NativePtr<mozilla::widget::GeckoEditableSupport> mEditableSupport;
mozilla::jni::Object::GlobalRef mEditableParent;
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;
mozilla::Atomic<bool, mozilla::ReleaseAcquire> mContentDocumentDisplayed;
public:
static nsWindow* TopWindow();
static mozilla::Modifiers GetModifiers(int32_t aMetaState);
static mozilla::TimeStamp GetEventTimeStamp(int64_t aEventTime);
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);
//
// 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;
virtual nsresult ConfigureChildren(const nsTArray<nsIWidget::Configuration>&) override;
virtual void SetParent(nsIWidget* aNewParent) override;
virtual nsIWidget *GetParent(void) override;
virtual float GetDPI() override;
virtual double GetDefaultScaleInternal() override;
virtual void Show(bool aState) override;
virtual bool IsVisible() const override;
virtual void ConstrainPosition(bool aAllowSlop,
int32_t *aX,
int32_t *aY) override;
virtual void Move(double aX, double aY) override;
virtual void Resize(double aWidth,
double aHeight,
bool aRepaint) override;
virtual void Resize(double aX,
double aY,
double aWidth,
double aHeight,
bool aRepaint) override;
void SetZIndex(int32_t aZIndex) override;
virtual void SetSizeMode(nsSizeMode aMode) override;
virtual void Enable(bool aState) override;
virtual bool IsEnabled() const override;
virtual void Invalidate(const LayoutDeviceIntRect& aRect) override;
virtual nsresult SetFocus(bool aRaise = false) override;
virtual LayoutDeviceIntRect GetScreenBounds() override;
virtual LayoutDeviceIntPoint WidgetToScreenOffset() override;
virtual nsresult 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;
virtual void SetCursor(nsCursor aCursor) override {}
virtual nsresult SetCursor(imgIContainer* aCursor, uint32_t aHotspotX,
uint32_t aHotspotY) override { return NS_ERROR_NOT_IMPLEMENTED; }
void* GetNativeData(uint32_t aDataType) override;
void SetNativeData(uint32_t aDataType, uintptr_t aVal) override;
virtual nsresult SetTitle(const nsAString& aTitle) override { return NS_OK; }
virtual MOZ_MUST_USE nsresult GetAttention(int32_t aCycleCount) override { return NS_ERROR_NOT_IMPLEMENTED; }
TextEventDispatcherListener* GetNativeTextEventDispatcherListener() override;
virtual void SetInputContext(const InputContext& aContext,
const InputContextAction& aAction) override;
virtual InputContext GetInputContext() 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 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;
mozilla::layers::CompositorBridgeChild* GetCompositorBridgeChild() const;
void SetContentDocumentDisplayed(bool aDisplayed);
bool IsContentDocumentDisplayed();
// Call this function when the users activity is the direct cause of an
// event (like a keypress or mouse click).
void UserActivity();
mozilla::jni::Object::Ref& GetEditableParent() { return mEditableParent; }
void RecvToolbarAnimatorMessageFromCompositor(int32_t aMessage) override;
void UpdateRootFrameMetrics(const ScreenPoint& aScrollOffset, const CSSToScreenScale& aZoom) override;
void RecvScreenPixels(mozilla::ipc::Shmem&& aMem, const ScreenIntSize& aSize) override;
protected:
void BringToFront();
nsWindow *FindTopLevel();
bool IsTopLevel();
void ConfigureAPZControllerThread() override;
void DispatchHitTest(const mozilla::WidgetTouchEvent& aEvent);
already_AddRefed<GeckoContentController> CreateRootContentController() override;
bool mIsVisible;
nsTArray<nsWindow*> mChildren;
nsWindow* mParent;
double mStartDist;
double mLastDist;
nsCOMPtr<nsIIdleServiceInternal> mIdleService;
bool mIsFullScreen;
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();
void RedrawAll();
mozilla::layers::LayersId GetRootLayerId() const;
RefPtr<mozilla::layers::UiCompositorControllerChild> GetUiCompositorControllerChild();
};
// Explicit template declarations to make clang be quiet.
template<> const char nsWindow::NativePtr<nsWindow::LayerViewSupport>::sName[];
template<> const char nsWindow::NativePtr<mozilla::widget::GeckoEditableSupport>::sName[];
template<> const char nsWindow::NativePtr<nsWindow::NPZCSupport>::sName[];
template<class Impl>
nsWindow::WindowPtr<Impl>::WindowPtr(NativePtr<Impl>* aPtr, nsWindow* aWindow)
: mPtr(aPtr)
, mWindow(aWindow)
, mWindowLock(NativePtr<Impl>::sName)
{
MOZ_ASSERT(NS_IsMainThread());
if (mPtr) {
mPtr->mPtr = this;
}
}
#endif /* NSWINDOW_H_ */