| // 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 MOJO_SERVICES_HTML_VIEWER_WEBLAYERTREEVIEW_IMPL_H_ |
| #define MOJO_SERVICES_HTML_VIEWER_WEBLAYERTREEVIEW_IMPL_H_ |
| |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/single_thread_task_runner.h" |
| #include "cc/trees/layer_tree_host_client.h" |
| #include "mojo/cc/output_surface_mojo.h" |
| #include "third_party/WebKit/public/platform/WebLayerTreeView.h" |
| #include "third_party/mojo_services/src/gpu/public/interfaces/gpu.mojom.h" |
| #include "third_party/mojo_services/src/surfaces/public/interfaces/surfaces.mojom.h" |
| |
| namespace base { |
| class MessageLoopProxy; |
| } |
| |
| namespace blink { |
| class WebWidget; |
| } |
| |
| namespace cc { |
| class LayerTreeHost; |
| } |
| |
| namespace mojo { |
| class View; |
| } |
| |
| namespace html_viewer { |
| |
| class WebLayerTreeViewImpl : public blink::WebLayerTreeView, |
| public cc::LayerTreeHostClient, |
| public mojo::OutputSurfaceMojoClient { |
| public: |
| WebLayerTreeViewImpl( |
| scoped_refptr<base::MessageLoopProxy> compositor_message_loop_proxy, |
| mojo::SurfacePtr surface, |
| mojo::GpuPtr gpu_service); |
| ~WebLayerTreeViewImpl() override; |
| |
| void set_widget(blink::WebWidget* widget) { widget_ = widget; } |
| void set_view(mojo::View* view) { view_ = view; } |
| |
| // cc::LayerTreeHostClient implementation. |
| void WillBeginMainFrame() override; |
| void DidBeginMainFrame() override; |
| void BeginMainFrame(const cc::BeginFrameArgs& args) override; |
| void BeginMainFrameNotExpectedSoon() override; |
| void Layout() override; |
| void ApplyViewportDeltas(const gfx::Vector2dF& inner_delta, |
| const gfx::Vector2dF& outer_delta, |
| const gfx::Vector2dF& elastic_overscroll_delta, |
| float page_scale, |
| float top_controls_delta) override; |
| void ApplyViewportDeltas(const gfx::Vector2d& scroll_delta, |
| float page_scale, |
| float top_controls_delta) override; |
| void RequestNewOutputSurface() override; |
| void DidFailToInitializeOutputSurface() override; |
| void DidInitializeOutputSurface() override; |
| void WillCommit() override; |
| void DidCommit() override; |
| void DidCommitAndDrawFrame() override; |
| void DidCompleteSwapBuffers() override; |
| void DidCompletePageScaleAnimation() override {} |
| void RateLimitSharedMainThreadContext() override {} |
| |
| // blink::WebLayerTreeView implementation. |
| void setRootLayer(const blink::WebLayer& layer) override; |
| void clearRootLayer() override; |
| void setViewportSize(const blink::WebSize& device_viewport_size) override; |
| blink::WebSize deviceViewportSize() const override; |
| void setDeviceScaleFactor(float) override; |
| float deviceScaleFactor() const override; |
| void setBackgroundColor(blink::WebColor color) override; |
| void setHasTransparentBackground(bool has_transparent_background) override; |
| void setVisible(bool visible) override; |
| void setPageScaleFactorAndLimits(float page_scale_factor, |
| float minimum, |
| float maximum) override; |
| void startPageScaleAnimation(const blink::WebPoint& destination, |
| bool use_anchor, |
| float new_page_scale, |
| double duration_sec) override; |
| void heuristicsForGpuRasterizationUpdated(bool matches_heuristic) override {} |
| void setNeedsAnimate() override; |
| bool commitRequested() const override; |
| void didStopFlinging() override {} |
| void compositeAndReadbackAsync( |
| blink::WebCompositeAndReadbackAsyncCallback* callback) override {} |
| void finishAllRendering() override; |
| void setDeferCommits(bool defer_commits) override {} |
| void registerForAnimations(blink::WebLayer* layer) override; |
| void registerViewportLayers( |
| const blink::WebLayer* overscrollElasticityLayer, |
| const blink::WebLayer* pageScaleLayerLayer, |
| const blink::WebLayer* innerViewportScrollLayer, |
| const blink::WebLayer* outerViewportScrollLayer) override; |
| void clearViewportLayers() override; |
| void registerSelection(const blink::WebSelectionBound& start, |
| const blink::WebSelectionBound& end) override {} |
| void clearSelection() override {} |
| void setShowFPSCounter(bool) override {} |
| void setShowPaintRects(bool) override {} |
| void setShowDebugBorders(bool) override {} |
| void setContinuousPaintingEnabled(bool) override {} |
| void setShowScrollBottleneckRects(bool) override {} |
| |
| // OutputSurfaceMojoClient implementation. |
| void DidCreateSurface(cc::SurfaceId id) override; |
| |
| private: |
| void DidCreateSurfaceOnMainThread(cc::SurfaceId id); |
| |
| // widget_ and view_ will outlive us. |
| blink::WebWidget* widget_; |
| mojo::View* view_; |
| scoped_ptr<cc::LayerTreeHost> layer_tree_host_; |
| scoped_ptr<cc::OutputSurface> output_surface_; |
| scoped_refptr<base::SingleThreadTaskRunner> |
| main_thread_compositor_task_runner_; |
| base::WeakPtr<WebLayerTreeViewImpl> main_thread_bound_weak_ptr_; |
| |
| base::WeakPtrFactory<WebLayerTreeViewImpl> weak_factory_; |
| DISALLOW_COPY_AND_ASSIGN(WebLayerTreeViewImpl); |
| }; |
| |
| } // namespace html_viewer |
| |
| #endif // MOJO_SERVICES_HTML_VIEWER_WEBLAYERTREEVIEW_IMPL_H_ |