| // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 
 | // Use of this source code is governed by a BSD-style license that can be | 
 | // found in the LICENSE file. | 
 |  | 
 | #ifndef PPAPI_CPP_DEV_BUFFER_DEV_H_ | 
 | #define PPAPI_CPP_DEV_BUFFER_DEV_H_ | 
 |  | 
 | #include <stdint.h> | 
 |  | 
 | #include "ppapi/cpp/resource.h" | 
 |  | 
 | namespace pp { | 
 |  | 
 | class InstanceHandle; | 
 |  | 
 | class Buffer_Dev : public Resource { | 
 |  public: | 
 |   // Creates an is_null() Buffer object. | 
 |   Buffer_Dev(); | 
 |   Buffer_Dev(const Buffer_Dev& other); | 
 |   explicit Buffer_Dev(PP_Resource resource); | 
 |  | 
 |   // Creates & Maps a new Buffer in the browser with the given size. The | 
 |   // resulting object will be is_null() if either Create() or Map() fails. | 
 |   Buffer_Dev(const InstanceHandle& instance, uint32_t size); | 
 |  | 
 |   // Constructor used when the buffer resource already has a reference count | 
 |   // assigned. No additional reference is taken. | 
 |   Buffer_Dev(PassRef, PP_Resource resource); | 
 |  | 
 |   // Unmap the underlying shared memory. | 
 |   virtual ~Buffer_Dev(); | 
 |  | 
 |   Buffer_Dev& operator=(const Buffer_Dev& rhs); | 
 |  | 
 |   uint32_t size() const { return size_; } | 
 |   void* data() const { return data_; } | 
 |  | 
 |  private: | 
 |   void Init(); | 
 |  | 
 |   void* data_; | 
 |   uint32_t size_; | 
 | }; | 
 |  | 
 | }  // namespace pp | 
 |  | 
 | #endif  // PPAPI_CPP_DEV_BUFFER_DEV_H_ |