skia/ext/SkDiscardableMemory_chrome.h

   1 // Copyright 2013 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 SKIA_EXT_SK_DISCARDABLE_MEMORY_CHROME_H_
   6 #define SKIA_EXT_SK_DISCARDABLE_MEMORY_CHROME_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "third_party/skia/src/core/SkDiscardableMemory.h"
  10
  11 namespace base {
  12 class DiscardableMemory;
  13 }
  14
  15 // This class implements the SkDiscardableMemory interface using
  16 // base::DiscardableMemory.
  17 class SK_API SkDiscardableMemoryChrome : public SkDiscardableMemory {
  18 public:
  19  ~SkDiscardableMemoryChrome() override;
  20
  21   // SkDiscardableMemory:
  22  bool lock() override;
  23  void* data() override;
  24  void unlock() override;
  25
  26 private:
  27   friend class SkDiscardableMemory;
  28
  29   SkDiscardableMemoryChrome(scoped_ptr<base::DiscardableMemory> memory);
  30
  31   scoped_ptr<base::DiscardableMemory> discardable_;
  32 };
  33
  34 #endif  // SKIA_EXT_SK_DISCARDABLE_MEMORY_CHROME_H_