// Copyright (c) 2013 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. #include "ppapi/proxy/file_system_resource.h" #include "base/bind.h" #include "ipc/ipc_message.h" #include "ppapi/c/pp_errors.h" #include "ppapi/proxy/ppapi_messages.h" #include "ppapi/shared_impl/tracked_callback.h" using ppapi::thunk::PPB_FileSystem_API; namespace ppapi { namespace proxy { FileSystemResource::FileSystemResource(Connection connection, PP_Instance instance, PP_FileSystemType type) : PluginResource(connection, instance), type_(type), called_open_(false), callback_count_(0) { DCHECK(type_ != PP_FILESYSTEMTYPE_INVALID); // TODO(teravest): Temporarily create hosts in both the browser and renderer // while we move file related hosts to the browser. SendCreate(RENDERER, PpapiHostMsg_FileSystem_Create(type_)); SendCreate(BROWSER, PpapiHostMsg_FileSystem_Create(type_)); } FileSystemResource::~FileSystemResource() { } PPB_FileSystem_API* FileSystemResource::AsPPB_FileSystem_API() { return this; } int32_t FileSystemResource::Open(int64_t expected_size, scoped_refptr callback) { DCHECK(type_ != PP_FILESYSTEMTYPE_ISOLATED); if (called_open_) return PP_ERROR_FAILED; called_open_ = true; Call(RENDERER, PpapiHostMsg_FileSystem_Open(expected_size), base::Bind(&FileSystemResource::OpenComplete, this, callback)); Call(BROWSER, PpapiHostMsg_FileSystem_Open(expected_size), base::Bind(&FileSystemResource::OpenComplete, this, callback)); return PP_OK_COMPLETIONPENDING; } PP_FileSystemType FileSystemResource::GetType() { return type_; } int32_t FileSystemResource::InitIsolatedFileSystem( const std::string& fsid, const base::Callback& callback) { // This call is mutually exclusive with Open() above, so we can reuse the // called_open state. DCHECK(type_ == PP_FILESYSTEMTYPE_ISOLATED); if (called_open_) return PP_ERROR_FAILED; called_open_ = true; Call(RENDERER, PpapiHostMsg_FileSystem_InitIsolatedFileSystem(fsid), base::Bind(&FileSystemResource::InitIsolatedFileSystemComplete, this, callback)); Call(BROWSER, PpapiHostMsg_FileSystem_InitIsolatedFileSystem(fsid), base::Bind(&FileSystemResource::InitIsolatedFileSystemComplete, this, callback)); return PP_OK_COMPLETIONPENDING; } void FileSystemResource::OpenComplete( scoped_refptr callback, const ResourceMessageReplyParams& params) { ++callback_count_; // Received callback from browser and renderer. if (callback_count_ == 2) callback->Run(params.result()); } void FileSystemResource::InitIsolatedFileSystemComplete( const base::Callback& callback, const ResourceMessageReplyParams& params) { ++callback_count_; // Received callback from browser and renderer. if (callback_count_ == 2) callback.Run(params.result()); } } // namespace proxy } // namespace ppapi