Rename SharedRendererState to RenderThreadManager

android_webview/browser/shared_renderer_state.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 ANDROID_WEBVIEW_BROWSER_SHARED_RENDERER_STATE_H_
-#define ANDROID_WEBVIEW_BROWSER_SHARED_RENDERER_STATE_H_
-
-#include <map>
-
-#include "android_webview/browser/gl_view_renderer_manager.h"
-#include "android_webview/browser/parent_compositor_draw_constraints.h"
-#include "base/cancelable_callback.h"
-#include "base/macros.h"
-#include "base/memory/weak_ptr.h"
-#include "base/single_thread_task_runner.h"
-#include "base/synchronization/lock.h"
-#include "cc/output/compositor_frame_ack.h"
-#include "ui/gfx/geometry/rect.h"
-#include "ui/gfx/geometry/vector2d.h"
-
-struct AwDrawGLInfo;
-namespace android_webview {
-
-namespace internal {
-class RequestDrawGLTracker;
-}
-
-class SharedRendererStateClient;
-class ChildFrame;
-class HardwareRenderer;
-class InsideHardwareReleaseReset;
-
-// This class is used to pass data between UI thread and RenderThread.
-class SharedRendererState {
- public:
-  struct ReturnedResources {
-    ReturnedResources();
-    ~ReturnedResources();
-
-    uint32_t output_surface_id;
-    cc::ReturnedResourceArray resources;
-  };
-  using ReturnedResourcesMap = std::map<uint32_t, ReturnedResources>;
-
-  SharedRendererState(
-      SharedRendererStateClient* client,
-      const scoped_refptr<base::SingleThreadTaskRunner>& ui_loop);
-  ~SharedRendererState();
-
-  // This function can be called from any thread.
-  void ClientRequestDrawGL(bool for_idle);
-
-  // UI thread methods.
-  void SetScrollOffsetOnUI(gfx::Vector2d scroll_offset);
-  void SetFrameOnUI(std::unique_ptr<ChildFrame> frame);
-  void InitializeHardwareDrawIfNeededOnUI();
-  ParentCompositorDrawConstraints GetParentDrawConstraintsOnUI() const;
-  void SwapReturnedResourcesOnUI(ReturnedResourcesMap* returned_resource_map);
-  bool ReturnedResourcesEmptyOnUI() const;
-  std::unique_ptr<ChildFrame> PassUncommittedFrameOnUI();
-  bool HasFrameOnUI() const;
-  void DeleteHardwareRendererOnUI();
-
-  // RT thread methods.
-  gfx::Vector2d GetScrollOffsetOnRT();
-  std::unique_ptr<ChildFrame> PassFrameOnRT();
-  void DrawGL(AwDrawGLInfo* draw_info);
-  void PostExternalDrawConstraintsToChildCompositorOnRT(
-      const ParentCompositorDrawConstraints& parent_draw_constraints);
-  void InsertReturnedResourcesOnRT(const cc::ReturnedResourceArray& resources,
-                                   uint32_t compositor_id,
-                                   uint32_t output_surface_id);
-
- private:
-  friend class internal::RequestDrawGLTracker;
-  class InsideHardwareReleaseReset {
-   public:
-    explicit InsideHardwareReleaseReset(
-        SharedRendererState* shared_renderer_state);
-    ~InsideHardwareReleaseReset();
-
-   private:
-    SharedRendererState* shared_renderer_state_;
-  };
-
-  // RT thread method.
-  void DidDrawGLProcess();
-
-  // UI thread methods.
-  void ResetRequestDrawGLCallback();
-  void ClientRequestDrawGLOnUI();
-  void UpdateParentDrawConstraintsOnUI();
-  bool IsInsideHardwareRelease() const;
-  void SetInsideHardwareRelease(bool inside);
-
-  // Accessed by UI thread.
-  scoped_refptr<base::SingleThreadTaskRunner> ui_loop_;
-  SharedRendererStateClient* const client_;
-  base::WeakPtr<SharedRendererState> ui_thread_weak_ptr_;
-  base::CancelableClosure request_draw_gl_cancelable_closure_;
-
-  // Accessed by RT thread.
-  std::unique_ptr<HardwareRenderer> hardware_renderer_;
-
-  // This is accessed by both UI and RT now. TODO(hush): move to RT only.
-  GLViewRendererManager::Key renderer_manager_key_;
-
-  // Accessed by both UI and RT thread.
-  mutable base::Lock lock_;
-  bool hardware_renderer_has_frame_;
-  gfx::Vector2d scroll_offset_;
-  std::unique_ptr<ChildFrame> child_frame_;
-  bool inside_hardware_release_;
-  ParentCompositorDrawConstraints parent_draw_constraints_;
-  ReturnedResourcesMap returned_resources_map_;
-  base::Closure request_draw_gl_closure_;
-
-  base::WeakPtrFactory<SharedRendererState> weak_factory_on_ui_thread_;
-
-  DISALLOW_COPY_AND_ASSIGN(SharedRendererState);
-};
-
-}  // namespace android_webview
-
-#endif  // ANDROID_WEBVIEW_BROWSER_SHARED_RENDERER_STATE_H_