content/renderer/gpu/queue_message_swap_promise.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_RENDERER_GPU_QUEUE_MESSAGE_SWAP_PROMISE_H_
   6 #define CONTENT_RENDERER_GPU_QUEUE_MESSAGE_SWAP_PROMISE_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "cc/output/swap_promise.h"
  10
  11 namespace IPC {
  12 class SyncMessageFilter;
  13 }
  14
  15 namespace content {
  16
  17 class FrameSwapMessageQueue;
  18
  19 class QueueMessageSwapPromise : public cc::SwapPromise {
  20  public:
  21   QueueMessageSwapPromise(scoped_refptr<IPC::SyncMessageFilter> message_sender,
  22                           scoped_refptr<FrameSwapMessageQueue> message_queue,
  23                           int source_frame_number);
  24
  25   ~QueueMessageSwapPromise() override;
  26
  27   void DidActivate() override;
  28   void DidSwap(cc::CompositorFrameMetadata* metadata) override;
  29   void DidNotSwap(DidNotSwapReason reason) override;
  30
  31   int64 TraceId() const override;
  32
  33  private:
  34   void PromiseCompleted();
  35
  36   scoped_refptr<IPC::SyncMessageFilter> message_sender_;
  37   scoped_refptr<content::FrameSwapMessageQueue> message_queue_;
  38   int source_frame_number_;
  39 #if DCHECK_IS_ON()
  40   bool completed_;
  41 #endif
  42 };
  43
  44 }  // namespace content
  45
  46 #endif  // CONTENT_RENDERER_GPU_QUEUE_MESSAGE_SWAP_PROMISE_H_