| // Copyright 2014 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_RENDERER_CHILD_FRAME_COMPOSITING_HELPER_H_ |
| #define CONTENT_RENDERER_CHILD_FRAME_COMPOSITING_HELPER_H_ |
| |
| #include <stdint.h> |
| |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include "base/macros.h" |
| #include "cc/layers/content_layer_client.h" |
| #include "cc/layers/surface_layer.h" |
| #include "components/viz/common/surfaces/surface_id.h" |
| #include "content/common/content_export.h" |
| |
| namespace cc { |
| class PictureLayer; |
| } |
| |
| namespace gfx { |
| class Size; |
| } |
| |
| namespace viz { |
| class SurfaceId; |
| } |
| |
| namespace content { |
| |
| class ChildFrameCompositor; |
| |
| class CONTENT_EXPORT ChildFrameCompositingHelper |
| : public cc::ContentLayerClient { |
| public: |
| explicit ChildFrameCompositingHelper( |
| ChildFrameCompositor* child_frame_compositor); |
| ~ChildFrameCompositingHelper() override; |
| |
| void SetSurfaceId(const viz::SurfaceId& surface_id, |
| const gfx::Size& frame_size_in_dip, |
| const cc::DeadlinePolicy& deadline); |
| void UpdateVisibility(bool visible); |
| void ChildFrameGone(const gfx::Size& frame_size_in_dip, |
| float device_scale_factor); |
| |
| const viz::SurfaceId& surface_id() const { return surface_id_; } |
| |
| private: |
| // cc::ContentLayerClient implementation. Called from the cc::PictureLayer |
| // created for the crashed child frame to display the sad image. |
| gfx::Rect PaintableRegion() override; |
| scoped_refptr<cc::DisplayItemList> PaintContentsToDisplayList( |
| PaintingControlSetting) override; |
| bool FillsBoundsCompletely() const override; |
| size_t GetApproximateUnsharedMemoryUsage() const override; |
| |
| ChildFrameCompositor* const child_frame_compositor_; |
| viz::SurfaceId surface_id_; |
| scoped_refptr<cc::SurfaceLayer> surface_layer_; |
| scoped_refptr<cc::PictureLayer> crash_ui_layer_; |
| float device_scale_factor_ = 1.f; |
| |
| DISALLOW_COPY_AND_ASSIGN(ChildFrameCompositingHelper); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_RENDERER_CHILD_FRAME_COMPOSITING_HELPER_H_ |