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
  21 class SynchronousCompositorRegistry {
  22  public:
  23   static SynchronousCompositorRegistry* GetInstance();
  24
  25   void RegisterCompositor(int routing_id,
  26                           SynchronousCompositorImpl* compositor);
  27   void UnregisterCompositor(int routing_id,
  28                             SynchronousCompositorImpl* compositor);
  29   void RegisterBeginFrameSource(
  30       int routing_id,
  31       SynchronousCompositorExternalBeginFrameSource* begin_frame_source);
  32   void UnregisterBeginFrameSource(
  33       int routing_id,
  34       SynchronousCompositorExternalBeginFrameSource* begin_frame_source);
  35   void RegisterOutputSurface(
  36       int routing_id,
  37       SynchronousCompositorOutputSurface* output_surface);
  38   void UnregisterOutputSurface(
  39       int routing_id,
  40       SynchronousCompositorOutputSurface* output_surface);
  41   void RegisterInputHandler(
  42       int routing_id,
  43       cc::InputHandler* input_handler);
  44   void UnregisterInputHandler(int routing_id);
  45
  46  private:
  47   friend struct base::DefaultLazyInstanceTraits<SynchronousCompositorRegistry>;
  48   SynchronousCompositorRegistry();
  49   ~SynchronousCompositorRegistry();
  50
  51   struct Entry {
  52     SynchronousCompositorImpl* compositor;
  53     SynchronousCompositorExternalBeginFrameSource* begin_frame_source;
  54     SynchronousCompositorOutputSurface* output_surface;
  55     cc::InputHandler* input_handler;
  56
  57     Entry();
  58     bool IsReady();
  59   };
  60
  61   using EntryMap = base::hash_map<int, Entry>;
  62
  63   void CheckIsReady(int routing_id);
  64   void UnregisterObjects(int routing_id);
  65   void RemoveEntryIfNeeded(int routing_id);
  66   bool CalledOnValidThread() const;
  67
  68   EntryMap entry_map_;
  69
  70   DISALLOW_COPY_AND_ASSIGN(SynchronousCompositorRegistry);
  71 };
  72
  73 }  // namespace content
  74
  75 #endif  // CONTENT_BROWSER_ANDROID_IN_PROCESS_SYNCHRONOUS_COMPOSITOR_REGISTRY_H_