cc/resources/resource_update_queue.h

   1 // Copyright 2012 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 CC_RESOURCES_RESOURCE_UPDATE_QUEUE_H_
   6 #define CC_RESOURCES_RESOURCE_UPDATE_QUEUE_H_
   7
   8 #include <deque>
   9 #include "base/basictypes.h"
  10 #include "cc/base/cc_export.h"
  11 #include "cc/resources/resource_update.h"
  12
  13 namespace cc {
  14
  15 class CC_EXPORT ResourceUpdateQueue {
  16  public:
  17   ResourceUpdateQueue();
  18   virtual ~ResourceUpdateQueue();
  19
  20   void AppendFullUpload(const ResourceUpdate& upload);
  21   void AppendPartialUpload(const ResourceUpdate& upload);
  22
  23   void ClearUploadsToEvictedResources();
  24
  25   ResourceUpdate TakeFirstFullUpload();
  26   ResourceUpdate TakeFirstPartialUpload();
  27
  28   size_t FullUploadSize() const { return full_entries_.size(); }
  29   size_t PartialUploadSize() const { return partial_entries_.size(); }
  30
  31   bool HasMoreUpdates() const;
  32
  33  private:
  34   void ClearUploadsToEvictedResources(std::deque<ResourceUpdate>* entry_queue);
  35   std::deque<ResourceUpdate> full_entries_;
  36   std::deque<ResourceUpdate> partial_entries_;
  37
  38   DISALLOW_COPY_AND_ASSIGN(ResourceUpdateQueue);
  39 };
  40
  41 }  // namespace cc
  42
  43 #endif  // CC_RESOURCES_RESOURCE_UPDATE_QUEUE_H_