ppapi/proxy/ppp_video_decoder_proxy.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_PPP_VIDEO_DECODER_PROXY_H_
   6 #define PPAPI_PROXY_PPP_VIDEO_DECODER_PROXY_H_
   7
   8 #include "ppapi/c/dev/ppp_video_decoder_dev.h"
   9 #include "ppapi/c/pp_instance.h"
  10 #include "ppapi/proxy/interface_proxy.h"
  11 #include "ppapi/shared_impl/host_resource.h"
  12
  13 struct PP_Picture_Dev;
  14 struct PP_Size;
  15
  16 namespace ppapi {
  17 namespace proxy {
  18
  19 class PPP_VideoDecoder_Proxy : public InterfaceProxy {
  20  public:
  21   PPP_VideoDecoder_Proxy(Dispatcher* dispatcher);
  22   virtual ~PPP_VideoDecoder_Proxy();
  23
  24   static const PPP_VideoDecoder_Dev* GetProxyInterface();
  25
  26   // InterfaceProxy implementation.
  27   virtual bool OnMessageReceived(const IPC::Message& msg);
  28
  29  private:
  30   // Message handlers.
  31   void OnMsgProvidePictureBuffers(const ppapi::HostResource& decoder,
  32                                   uint32_t req_num_of_buffers,
  33                                   const PP_Size& dimensions,
  34                                   uint32_t texture_target);
  35   void OnMsgDismissPictureBuffer(const ppapi::HostResource& decoder,
  36                                  int32_t picture_id);
  37   void OnMsgPictureReady(const ppapi::HostResource& decoder,
  38                          const PP_Picture_Dev& picture_buffer);
  39   void OnMsgNotifyError(const ppapi::HostResource& decoder,
  40                         PP_VideoDecodeError_Dev error);
  41
  42   // When this proxy is in the plugin side, this value caches the interface
  43   // pointer so we don't have to retrieve it from the dispatcher each time.
  44   // In the host, this value is always NULL.
  45   const PPP_VideoDecoder_Dev* ppp_video_decoder_impl_;
  46
  47   DISALLOW_COPY_AND_ASSIGN(PPP_VideoDecoder_Proxy);
  48 };
  49
  50 }  // namespace proxy
  51 }  // namespace ppapi
  52
  53 #endif  // PPAPI_PROXY_PPP_VIDEO_DECODER_PROXY_H_