Move html_viewer from mojo/services to components.

mojo/services/html_viewer/web_layer_tree_view_impl.h

-// 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_WEB_LAYER_TREE_VIEW_IMPL_H_
-#define MOJO_SERVICES_HTML_VIEWER_WEB_LAYER_TREE_VIEW_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.
-  virtual void setRootLayer(const blink::WebLayer& layer);
-  virtual void clearRootLayer();
-  virtual void setViewportSize(const blink::WebSize& device_viewport_size);
-  virtual blink::WebSize deviceViewportSize() const;
-  virtual void setDeviceScaleFactor(float);
-  virtual float deviceScaleFactor() const;
-  virtual void setBackgroundColor(blink::WebColor color);
-  virtual void setHasTransparentBackground(bool has_transparent_background);
-  virtual void setVisible(bool visible);
-  virtual void setPageScaleFactorAndLimits(float page_scale_factor,
-                                           float minimum,
-                                           float maximum);
-  virtual void startPageScaleAnimation(const blink::WebPoint& destination,
-                                       bool use_anchor,
-                                       float new_page_scale,
-                                       double duration_sec);
-  virtual void heuristicsForGpuRasterizationUpdated(bool matches_heuristic) {}
-  virtual void setNeedsAnimate();
-  virtual bool commitRequested() const;
-  virtual void didStopFlinging() {}
-  virtual void compositeAndReadbackAsync(
-      blink::WebCompositeAndReadbackAsyncCallback* callback) {}
-  virtual void finishAllRendering();
-  virtual void setDeferCommits(bool defer_commits) {}
-  virtual void registerForAnimations(blink::WebLayer* layer);
-  virtual void registerViewportLayers(
-      const blink::WebLayer* overscrollElasticityLayer,
-      const blink::WebLayer* pageScaleLayerLayer,
-      const blink::WebLayer* innerViewportScrollLayer,
-      const blink::WebLayer* outerViewportScrollLayer);
-  virtual void clearViewportLayers();
-  virtual void registerSelection(const blink::WebSelectionBound& start,
-                                 const blink::WebSelectionBound& end) {}
-  virtual void clearSelection() {}
-  virtual void setShowFPSCounter(bool) {}
-  virtual void setShowPaintRects(bool) {}
-  virtual void setShowDebugBorders(bool) {}
-  virtual void setContinuousPaintingEnabled(bool) {}
-  virtual void setShowScrollBottleneckRects(bool) {}
-
-  // 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_WEB_LAYER_TREE_VIEW_IMPL_H_