DevTools: [Android] implement RenderWidgetHostViewAndroid::CopyFromCompositingSurface

content/browser/renderer_host/render_widget_host_view_android.h

 // 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>
 
@@ skipping 15 matching lines @@
 #include "third_party/WebKit/public/platform/WebGraphicsContext3D.h"
 #include "ui/gfx/size.h"
 #include "ui/gfx/vector2d_f.h"
 
 struct ViewHostMsg_TextInputState_Params;
 
 struct GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params;
 struct GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params;
 
 namespace cc {
+class CopyOutputResult;
 class DelegatedRendererLayer;
 class Layer;
 class TextureLayer;
 }
 
 namespace WebKit {
 class WebExternalTextureLayer;
 class WebTouchEvent;
 class WebMouseEvent;
 }
@@ skipping 161 matching lines @@
   void OnDidChangeBodyBackgroundColor(SkColor color);
   void OnStartContentIntent(const GURL& content_url);
   void OnSetNeedsBeginFrame(bool enabled);
 
   int GetNativeImeAdapter();
 
   void WasResized();
 
   WebKit::WebGLId GetScaledContentTexture(float scale, gfx::Size* out_size);
   bool PopulateBitmapWithContents(jobject jbitmap);
+  bool PopulateBitmapWithContents(const gfx::Size& size, SkBitmap* bitmap);
 
   bool HasValidFrame() const;
 
   // Select all text between the given coordinates.
   void SelectRange(const gfx::Point& start, const gfx::Point& end);
 
   void MoveCaret(const gfx::Point& point);
 
   void RequestContentClipping(const gfx::Rect& clipping,
                               const gfx::Size& content_size);
 
   // Returns true when animation ticks are still needed. This avoids a separate
   // round-trip for requesting follow-up animation.
   bool Animate(base::TimeTicks frame_time);
 
   void SynchronousFrameMetadata(
       const cc::CompositorFrameMetadata& frame_metadata);
 
+  bool CanCopyToBitmap() const;
+
  private:
   void BuffersSwapped(const gpu::Mailbox& mailbox,
                       uint32_t output_surface_id,
                       const base::Closure& ack_callback);
 
   void RunAckCallbacks();
 
   void SwapDelegatedFrame(uint32 output_surface_id,
                           scoped_ptr<cc::DelegatedFrameData> frame_data);
   void SendDelegatedFrameAck(uint32 output_surface_id);
 
   void UpdateContentViewCoreFrameMetadata(
       const cc::CompositorFrameMetadata& frame_metadata);
   void ComputeContentsSize(const cc::CompositorFrameMetadata& frame_metadata);
   void ResetClipping();
   void ClipContents(const gfx::Rect& clipping, const gfx::Size& content_size);
 
   void AttachLayers();
   void RemoveLayers();
 
   void CreateOverscrollEffectIfNecessary();
   void UpdateAnimationSize(const cc::CompositorFrameMetadata& frame_metadata);
   void ScheduleAnimationIfNecessary();
 
+  // Called after async thumbnailer task completes.  Scales and crops the result
+  // of the copy.
+  static void CopyFromCompositingSurfaceHasResult(
+      const gfx::Size& dst_size_in_pixel,
+      const base::Callback<void(bool, const SkBitmap&)>& callback,
+      scoped_ptr<cc::CopyOutputResult> result);
+  static void PrepareTextureCopyOutputResult(
+      const gfx::Size& dst_size_in_pixel,
+      const base::Callback<void(bool, const SkBitmap&)>& callback,
+      scoped_ptr<cc::CopyOutputResult> result);
+  static void PrepareBitmapCopyOutputResult(
+      const gfx::Size& dst_size_in_pixel,
+      const base::Callback<void(bool, const SkBitmap&)>& callback,
+      scoped_ptr<cc::CopyOutputResult> result);
+
   // The model object.
   RenderWidgetHostImpl* host_;
 
   // Used to track whether this render widget needs a BeginFrame.
   bool needs_begin_frame_;
 
   // Whether or not this widget is potentially attached to the view hierarchy.
   // This view may not actually be attached if this is true, but it should be
   // treated as such, because as soon as a ContentViewCore is set the layer
   // will be attached automatically.
@@ skipping 40 matching lines @@
   // Used to render overscroll overlays.
   bool overscroll_effect_enabled_;
   scoped_ptr<OverscrollGlow> overscroll_effect_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewAndroid);
 };
 
 } // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_