ppapi/proxy/plugin_array_buffer_var.h

   1 // Copyright (c) 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 PPAPI_PROXY_PLUGIN_ARRAY_BUFFER_VAR_H_
   6 #define PPAPI_PROXY_PLUGIN_ARRAY_BUFFER_VAR_H_
   7
   8 #include <vector>
   9
  10 #include "base/basictypes.h"
  11 #include "ppapi/c/pp_stdint.h"
  12 #include "ppapi/shared_impl/var.h"
  13
  14 namespace ppapi {
  15
  16 // Represents a plugin-side ArrayBufferVar. In the plugin process, it's
  17 // owned as a vector.
  18 class PluginArrayBufferVar : public ArrayBufferVar {
  19  public:
  20   explicit PluginArrayBufferVar(uint32 size_in_bytes);
  21   virtual ~PluginArrayBufferVar();
  22
  23   // ArrayBufferVar implementation.
  24   virtual void* Map() OVERRIDE;
  25   virtual void Unmap() OVERRIDE;
  26   virtual uint32 ByteLength() OVERRIDE;
  27
  28  private:
  29   // TODO(dmichael): Use shared memory for this.
  30   std::vector<uint8> buffer_;
  31
  32   DISALLOW_COPY_AND_ASSIGN(PluginArrayBufferVar);
  33 };
  34
  35 }  // namespace ppapi
  36
  37 #endif  // PPAPI_PROXY_PLUGIN_ARRAY_BUFFER_VAR_H_