15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef PPAPI_PROXY_PPB_BUFFER_PROXY_H_ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define PPAPI_PROXY_PPB_BUFFER_PROXY_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 89ab5563a3196760eb381d102cbb2bc0f7abc6a50Ben Murdoch#include "base/memory/shared_memory.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/c/pp_instance.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/proxy/interface_proxy.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/shared_impl/resource.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/thunk/ppb_buffer_api.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace ppapi { 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class HostResource; 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace proxy { 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class SerializedHandle; 212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class Buffer : public thunk::PPB_Buffer_API, public Resource { 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Buffer(const HostResource& resource, 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const base::SharedMemoryHandle& shm_handle, 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32_t size); 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~Buffer(); 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Resource overrides. 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual thunk::PPB_Buffer_API* AsPPB_Buffer_API() OVERRIDE; 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // PPB_Buffer_API implementation. 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual PP_Bool Describe(uint32_t* size_in_bytes) OVERRIDE; 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual PP_Bool IsMapped() OVERRIDE; 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void* Map() OVERRIDE; 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void Unmap() OVERRIDE; 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Trusted 392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual int32_t GetSharedMemory(int* handle) OVERRIDE; 402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::SharedMemory shm_; 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32_t size_; 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int map_count_; 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(Buffer); 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class PPB_Buffer_Proxy : public InterfaceProxy { 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) explicit PPB_Buffer_Proxy(Dispatcher* dispatcher); 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~PPB_Buffer_Proxy(); 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static PP_Resource CreateProxyResource(PP_Instance instance, 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32_t size); 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static PP_Resource AddProxyResource(const HostResource& resource, 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::SharedMemoryHandle shm_handle, 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32_t size); 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // InterfaceProxy implementation. 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual bool OnMessageReceived(const IPC::Message& msg); 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static const ApiID kApiID = API_ID_PPB_BUFFER; 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Message handlers. 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void OnMsgCreate(PP_Instance instance, 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32_t size, 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HostResource* result_resource, 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ppapi::proxy::SerializedHandle* result_shm_handle); 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace proxy 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace ppapi 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // PPAPI_PROXY_PPB_BUFFER_PROXY_H_ 77