content/browser/android/in_process/synchronous_compositor_registry.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_BROWSER_ANDROID_IN_PROCESS_SYNCHRONOUS_COMPOSITOR_REGISTRY_H_
   6 #define CONTENT_BROWSER_ANDROID_IN_PROCESS_SYNCHRONOUS_COMPOSITOR_REGISTRY_H_
   7
   8 #include "base/containers/hash_tables.h"
   9 #include "base/lazy_instance.h"
  10
  11 namespace cc {
  12 class InputHandler;
  13 }
  14
  15 namespace content {
  16
  17 class SynchronousCompositorExternalBeginFrameSource;
  18 class SynchronousCompositorImpl;
  19 class SynchronousCompositorOutputSurface;
  20 class SynchronousInputHandlerProxy;
  21
  22 class SynchronousCompositorRegistry {
  23  public:
  24   static SynchronousCompositorRegistry* GetInstance();
  25
  26   void RegisterCompositor(int routing_id,
  27                           SynchronousCompositorImpl* compositor);
  28   void UnregisterCompositor(int routing_id,
  29                             SynchronousCompositorImpl* compositor);
  30   void RegisterBeginFrameSource(
  31       int routing_id,
  32       SynchronousCompositorExternalBeginFrameSource* begin_frame_source);
  33   void UnregisterBeginFrameSource(
  34       int routing_id,
  35       SynchronousCompositorExternalBeginFrameSource* begin_frame_source);
  36   void RegisterOutputSurface(
  37       int routing_id,
  38       SynchronousCompositorOutputSurface* output_surface);
  39   void UnregisterOutputSurface(
  40       int routing_id,
  41       SynchronousCompositorOutputSurface* output_surface);
  42   void RegisterInputHandler(
  43       int routing_id,
  44       cc::InputHandler* input_handler,
  45       SynchronousInputHandlerProxy* synchronous_input_handler_proxy);
  46   void UnregisterInputHandler(int routing_id);
  47
  48  private:
  49   friend struct base::DefaultLazyInstanceTraits<SynchronousCompositorRegistry>;
  50   SynchronousCompositorRegistry();
  51   ~SynchronousCompositorRegistry();
  52
  53   struct Entry {
  54     SynchronousCompositorImpl* compositor;
  55     SynchronousCompositorExternalBeginFrameSource* begin_frame_source;
  56     SynchronousCompositorOutputSurface* output_surface;
  57     cc::InputHandler* input_handler;
  58     SynchronousInputHandlerProxy* synchronous_input_handler_proxy;
  59
  60     Entry();
  61     bool IsReady();
  62   };
  63
  64   using EntryMap = base::hash_map<int, Entry>;
  65
  66   void CheckIsReady(int routing_id);
  67   void UnregisterObjects(int routing_id);
  68   void RemoveEntryIfNeeded(int routing_id);
  69   bool CalledOnValidThread() const;
  70
  71   EntryMap entry_map_;
  72
  73   DISALLOW_COPY_AND_ASSIGN(SynchronousCompositorRegistry);
  74 };
  75
  76 }  // namespace content
  77
  78 #endif  // CONTENT_BROWSER_ANDROID_IN_PROCESS_SYNCHRONOUS_COMPOSITOR_REGISTRY_H_