blob: 982da1c78e28ca2e791aa49c3543c70a23d88328 [file] [log] [blame]
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_
#define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_
#include <map>
#include <queue>
#include "base/callback.h"
#include "base/compiler_specific.h"
#include "base/i18n/rtl.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/process/process.h"
#include "cc/layers/delegated_frame_resource_collection.h"
#include "cc/output/begin_frame_args.h"
#include "cc/surfaces/surface_factory_client.h"
#include "cc/surfaces/surface_id.h"
#include "content/browser/accessibility/browser_accessibility_manager.h"
#include "content/browser/renderer_host/delegated_frame_evictor.h"
#include "content/browser/renderer_host/ime_adapter_android.h"
#include "content/browser/renderer_host/input/stylus_text_selector.h"
#include "content/browser/renderer_host/render_widget_host_view_base.h"
#include "content/common/content_export.h"
#include "content/public/browser/readback_types.h"
#include "gpu/command_buffer/common/mailbox.h"
#include "third_party/skia/include/core/SkColor.h"
#include "third_party/WebKit/public/platform/WebGraphicsContext3D.h"
#include "ui/android/window_android_observer.h"
#include "ui/events/gesture_detection/filtered_gesture_provider.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/geometry/vector2d_f.h"
#include "ui/touch_selection/touch_selection_controller.h"
struct ViewHostMsg_TextInputState_Params;
namespace cc {
class CopyOutputResult;
class DelegatedFrameProvider;
class DelegatedRendererLayer;
class Layer;
class SurfaceFactory;
class SurfaceIdAllocator;
enum class SurfaceDrawStatus;
}
namespace blink {
class WebExternalTextureLayer;
class WebTouchEvent;
class WebMouseEvent;
}
namespace content {
class ContentViewCoreImpl;
class OverscrollControllerAndroid;
class RenderWidgetHost;
class RenderWidgetHostImpl;
struct DidOverscrollParams;
struct NativeWebKeyboardEvent;
// -----------------------------------------------------------------------------
// See comments in render_widget_host_view.h about this class and its members.
// -----------------------------------------------------------------------------
class CONTENT_EXPORT RenderWidgetHostViewAndroid
: public RenderWidgetHostViewBase,
public cc::DelegatedFrameResourceCollectionClient,
public cc::SurfaceFactoryClient,
public ui::GestureProviderClient,
public ui::WindowAndroidObserver,
public DelegatedFrameEvictorClient,
public StylusTextSelectorClient,
public ui::TouchSelectionControllerClient {
public:
RenderWidgetHostViewAndroid(RenderWidgetHostImpl* widget,
ContentViewCoreImpl* content_view_core);
~RenderWidgetHostViewAndroid() override;
void Blur();
// RenderWidgetHostView implementation.
bool OnMessageReceived(const IPC::Message& msg) override;
void InitAsChild(gfx::NativeView parent_view) override;
void InitAsPopup(RenderWidgetHostView* parent_host_view,
const gfx::Rect& pos) override;
void InitAsFullscreen(RenderWidgetHostView* reference_host_view) override;
RenderWidgetHost* GetRenderWidgetHost() const override;
void SetSize(const gfx::Size& size) override;
void SetBounds(const gfx::Rect& rect) override;
gfx::Vector2dF GetLastScrollOffset() const override;
gfx::NativeView GetNativeView() const override;
gfx::NativeViewId GetNativeViewId() const override;
gfx::NativeViewAccessible GetNativeViewAccessible() override;
void MovePluginWindows(const std::vector<WebPluginGeometry>& moves) override;
void Focus() override;
bool HasFocus() const override;
bool IsSurfaceAvailableForCopy() const override;
void Show() override;
void Hide() override;
bool IsShowing() override;
gfx::Rect GetViewBounds() const override;
gfx::Size GetPhysicalBackingSize() const override;
bool DoTopControlsShrinkBlinkSize() const override;
float GetTopControlsHeight() const override;
void UpdateCursor(const WebCursor& cursor) override;
void SetIsLoading(bool is_loading) override;
void TextInputStateChanged(
const ViewHostMsg_TextInputState_Params& params) override;
void ImeCancelComposition() override;
void ImeCompositionRangeChanged(
const gfx::Range& range,
const std::vector<gfx::Rect>& character_bounds) override;
void FocusedNodeChanged(bool is_editable_node) override;
void RenderProcessGone(base::TerminationStatus status,
int error_code) override;
void Destroy() override;
void SetTooltipText(const base::string16& tooltip_text) override;
void SelectionChanged(const base::string16& text,
size_t offset,
const gfx::Range& range) override;
void SelectionBoundsChanged(
const ViewHostMsg_SelectionBounds_Params& params) override;
void AcceleratedSurfaceInitialized(int route_id) override;
bool HasAcceleratedSurface(const gfx::Size& desired_size) override;
void SetBackgroundColor(SkColor color) override;
void CopyFromCompositingSurface(
const gfx::Rect& src_subrect,
const gfx::Size& dst_size,
ReadbackRequestCallback& callback,
const SkColorType preferred_color_type) override;
void CopyFromCompositingSurfaceToVideoFrame(
const gfx::Rect& src_subrect,
const scoped_refptr<media::VideoFrame>& target,
const base::Callback<void(bool)>& callback) override;
bool CanCopyToVideoFrame() const override;
void GetScreenInfo(blink::WebScreenInfo* results) override;
gfx::Rect GetBoundsInRootWindow() override;
gfx::GLSurfaceHandle GetCompositingSurface() override;
void ProcessAckedTouchEvent(const TouchEventWithLatencyInfo& touch,
InputEventAckState ack_result) override;
InputEventAckState FilterInputEvent(
const blink::WebInputEvent& input_event) override;
void OnSetNeedsFlushInput() override;
void GestureEventAck(const blink::WebGestureEvent& event,
InputEventAckState ack_result) override;
BrowserAccessibilityManager* CreateBrowserAccessibilityManager(
BrowserAccessibilityDelegate* delegate) override;
bool LockMouse() override;
void UnlockMouse() override;
void OnSwapCompositorFrame(uint32 output_surface_id,
scoped_ptr<cc::CompositorFrame> frame) override;
void DidOverscroll(const DidOverscrollParams& params) override;
void DidStopFlinging() override;
uint32_t GetSurfaceIdNamespace() override;
void ShowDisambiguationPopup(const gfx::Rect& rect_pixels,
const SkBitmap& zoomed_bitmap) override;
scoped_ptr<SyntheticGestureTarget> CreateSyntheticGestureTarget() override;
void LockCompositingSurface() override;
void UnlockCompositingSurface() override;
void OnTextSurroundingSelectionResponse(const base::string16& content,
size_t start_offset,
size_t end_offset) override;
void OnDidNavigateMainFrameToNewPage() override;
// cc::DelegatedFrameResourceCollectionClient implementation.
void UnusedResourcesAreAvailable() override;
// cc::SurfaceFactoryClient implementation.
void ReturnResources(const cc::ReturnedResourceArray& resources) override;
// ui::GestureProviderClient implementation.
void OnGestureEvent(const ui::GestureEventData& gesture) override;
// ui::WindowAndroidObserver implementation.
void OnCompositingDidCommit() override;
void OnRootWindowVisibilityChanged(bool visible) override;
void OnAttachCompositor() override;
void OnDetachCompositor() override;
void OnVSync(base::TimeTicks frame_time,
base::TimeDelta vsync_period) override;
void OnAnimate(base::TimeTicks begin_frame_time) override;
void OnActivityStopped() override;
void OnActivityStarted() override;
// DelegatedFrameEvictor implementation
void EvictDelegatedFrame() override;
// StylusTextSelectorClient implementation.
void OnStylusSelectBegin(float x0, float y0, float x1, float y1) override;
void OnStylusSelectUpdate(float x, float y) override;
void OnStylusSelectEnd() override;
void OnStylusSelectTap(base::TimeTicks time, float x, float y) override;
// ui::TouchSelectionControllerClient implementation.
bool SupportsAnimation() const override;
void SetNeedsAnimate() override;
void MoveCaret(const gfx::PointF& position) override;
void MoveRangeSelectionExtent(const gfx::PointF& extent) override;
void SelectBetweenCoordinates(const gfx::PointF& base,
const gfx::PointF& extent) override;
void OnSelectionEvent(ui::SelectionEventType event) override;
scoped_ptr<ui::TouchHandleDrawable> CreateDrawable() override;
// Non-virtual methods
void SetContentViewCore(ContentViewCoreImpl* content_view_core);
SkColor GetCachedBackgroundColor() const;
void SendKeyEvent(const NativeWebKeyboardEvent& event);
void SendMouseEvent(const blink::WebMouseEvent& event);
void SendMouseWheelEvent(const blink::WebMouseWheelEvent& event);
void SendGestureEvent(const blink::WebGestureEvent& event);
void OnDidChangeBodyBackgroundColor(SkColor color);
void OnStartContentIntent(const GURL& content_url);
void OnSetNeedsBeginFrames(bool enabled);
void OnSmartClipDataExtracted(const base::string16& text,
const base::string16& html,
const gfx::Rect rect);
bool OnTouchEvent(const ui::MotionEvent& event);
bool OnTouchHandleEvent(const ui::MotionEvent& event);
void ResetGestureDetection();
void SetDoubleTapSupportEnabled(bool enabled);
void SetMultiTouchZoomSupportEnabled(bool enabled);
long GetNativeImeAdapter();
void WasResized();
void GetScaledContentBitmap(float scale,
SkColorType preferred_color_type,
gfx::Rect src_subrect,
ReadbackRequestCallback& result_callback);
scoped_refptr<cc::Layer> CreateDelegatedLayer() const;
bool HasValidFrame() const;
void MoveCaret(const gfx::Point& point);
void DismissTextHandles();
void SetTextHandlesTemporarilyHidden(bool hidden);
void OnShowingPastePopup(const gfx::PointF& point);
void OnShowUnhandledTapUIIfNeeded(int x_dip, int y_dip);
void SynchronousFrameMetadata(
const cc::CompositorFrameMetadata& frame_metadata);
void SetOverlayVideoMode(bool enabled);
typedef base::Callback<
void(const base::string16& content, int start_offset, int end_offset)>
TextSurroundingSelectionCallback;
void SetTextSurroundingSelectionCallback(
const TextSurroundingSelectionCallback& callback);
static void OnContextLost();
private:
void RunAckCallbacks(cc::SurfaceDrawStatus status);
void DestroyDelegatedContent();
void CheckOutputSurfaceChanged(uint32 output_surface_id);
void SubmitFrame(scoped_ptr<cc::CompositorFrame> frame_data);
void SwapDelegatedFrame(uint32 output_surface_id,
scoped_ptr<cc::CompositorFrame> frame_data);
void SendDelegatedFrameAck(uint32 output_surface_id);
void SendReturnedDelegatedResources(uint32 output_surface_id);
void OnFrameMetadataUpdated(
const cc::CompositorFrameMetadata& frame_metadata);
void ComputeContentsSize(const cc::CompositorFrameMetadata& frame_metadata);
void ShowInternal();
void HideInternal(bool hide_frontbuffer, bool stop_observing_root_window);
void AttachLayers();
void RemoveLayers();
// Called after async screenshot task completes. Scales and crops the result
// of the copy.
static void PrepareTextureCopyOutputResult(
const gfx::Size& dst_size_in_pixel,
SkColorType color_type,
const base::TimeTicks& start_time,
ReadbackRequestCallback& callback,
scoped_ptr<cc::CopyOutputResult> result);
static void PrepareTextureCopyOutputResultForDelegatedReadback(
const gfx::Size& dst_size_in_pixel,
SkColorType color_type,
const base::TimeTicks& start_time,
scoped_refptr<cc::Layer> readback_layer,
ReadbackRequestCallback& callback,
scoped_ptr<cc::CopyOutputResult> result);
// DevTools ScreenCast support for Android WebView.
void SynchronousCopyContents(const gfx::Rect& src_subrect_in_pixel,
const gfx::Size& dst_size_in_pixel,
ReadbackRequestCallback& callback,
const SkColorType color_type);
// If we have locks on a frame during a ContentViewCore swap or a context
// lost, the frame is no longer valid and we can safely release all the locks.
// Use this method to release all the locks.
void ReleaseLocksOnSurface();
// Drop any incoming frames from the renderer when there are locks on the
// current frame.
void RetainFrame(uint32 output_surface_id,
scoped_ptr<cc::CompositorFrame> frame);
void InternalSwapCompositorFrame(uint32 output_surface_id,
scoped_ptr<cc::CompositorFrame> frame);
void OnLostResources();
enum VSyncRequestType {
FLUSH_INPUT = 1 << 0,
BEGIN_FRAME = 1 << 1,
PERSISTENT_BEGIN_FRAME = 1 << 2
};
void RequestVSyncUpdate(uint32 requests);
void StartObservingRootWindow();
void StopObservingRootWindow();
void SendBeginFrame(base::TimeTicks frame_time, base::TimeDelta vsync_period);
bool Animate(base::TimeTicks frame_time);
void RequestDisallowInterceptTouchEvent();
// The model object.
RenderWidgetHostImpl* host_;
bool use_surfaces_;
// Used to control action dispatch at the next |OnVSync()| call.
uint32 outstanding_vsync_requests_;
bool is_showing_;
// ContentViewCoreImpl is our interface to the view system.
ContentViewCoreImpl* content_view_core_;
// Cache the WindowAndroid instance exposed by ContentViewCore to avoid
// calling into ContentViewCore when it is being detached from the
// WebContents during destruction. The WindowAndroid has stronger lifetime
// guarantees, and should be safe to use for observer detachment.
// This will be non-null iff |content_view_core_| is non-null.
ui::WindowAndroid* content_view_core_window_android_;
ImeAdapterAndroid ime_adapter_android_;
// Body background color of the underlying document.
SkColor cached_background_color_;
scoped_refptr<cc::DelegatedFrameResourceCollection> resource_collection_;
scoped_refptr<cc::DelegatedFrameProvider> frame_provider_;
scoped_refptr<cc::Layer> layer_;
scoped_ptr<cc::SurfaceIdAllocator> id_allocator_;
scoped_ptr<cc::SurfaceFactory> surface_factory_;
cc::SurfaceId surface_id_;
gfx::Size current_surface_size_;
cc::ReturnedResourceArray surface_returned_resources_;
// The most recent texture size that was pushed to the texture layer.
gfx::Size texture_size_in_layer_;
// The most recent content size that was pushed to the texture layer.
gfx::Size content_size_in_layer_;
// The output surface id of the last received frame.
uint32_t last_output_surface_id_;
std::queue<base::Closure> ack_callbacks_;
// Used to control and render overscroll-related effects.
scoped_ptr<OverscrollControllerAndroid> overscroll_controller_;
// Provides gesture synthesis given a stream of touch events (derived from
// Android MotionEvent's) and touch event acks.
ui::FilteredGestureProvider gesture_provider_;
// Handles gesture based text selection
StylusTextSelector stylus_text_selector_;
// Manages selection handle rendering and manipulation.
// This will always be NULL if |content_view_core_| is NULL.
scoped_ptr<ui::TouchSelectionController> selection_controller_;
int accelerated_surface_route_id_;
// Size to use if we have no backing ContentViewCore
gfx::Size default_size_;
const bool using_browser_compositor_;
scoped_ptr<DelegatedFrameEvictor> frame_evictor_;
size_t locks_on_frame_count_;
bool observing_root_window_;
struct LastFrameInfo {
LastFrameInfo(uint32 output_id,
scoped_ptr<cc::CompositorFrame> output_frame);
~LastFrameInfo();
uint32 output_surface_id;
scoped_ptr<cc::CompositorFrame> frame;
};
scoped_ptr<LastFrameInfo> last_frame_info_;
TextSurroundingSelectionCallback text_surrounding_selection_callback_;
// The last scroll offset of the view.
gfx::Vector2dF last_scroll_offset_;
base::WeakPtrFactory<RenderWidgetHostViewAndroid> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewAndroid);
};
} // namespace content
#endif // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_