12a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Copyright 2012 The Chromium Authors. All rights reserved.
22a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be
32a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// found in the LICENSE file.
42a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)
52a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#ifndef CC_RESOURCES_RESOURCE_UPDATE_QUEUE_H_
62a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#define CC_RESOURCES_RESOURCE_UPDATE_QUEUE_H_
72a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)
82a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include <deque>
92a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/basictypes.h"
102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/base/cc_export.h"
112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/resources/resource_update.h"
122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)
132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)namespace cc {
142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)
152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class CC_EXPORT ResourceUpdateQueue {
162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) public:
172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)  ResourceUpdateQueue();
182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)  virtual ~ResourceUpdateQueue();
192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)
202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)  void AppendFullUpload(const ResourceUpdate& upload);
212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)  void AppendPartialUpload(const ResourceUpdate& upload);
222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)
232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)  void ClearUploadsToEvictedResources();
242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)
252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)  ResourceUpdate TakeFirstFullUpload();
262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)  ResourceUpdate TakeFirstPartialUpload();
272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)
282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)  size_t FullUploadSize() const { return full_entries_.size(); }
292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)  size_t PartialUploadSize() const { return partial_entries_.size(); }
302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)
312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)  bool HasMoreUpdates() const;
322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)
332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) private:
342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)  void ClearUploadsToEvictedResources(std::deque<ResourceUpdate>* entry_queue);
352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)  std::deque<ResourceUpdate> full_entries_;
362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)  std::deque<ResourceUpdate> partial_entries_;
372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)
382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)  DISALLOW_COPY_AND_ASSIGN(ResourceUpdateQueue);
392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)};
402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)
41c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)}  // namespace cc
422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)
432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#endif  // CC_RESOURCES_RESOURCE_UPDATE_QUEUE_H_
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