1a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)// Copyright 2014 The Chromium Authors. All rights reserved. 2a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 3a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)// found in the LICENSE file. 4a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 5a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "content/browser/loader/temporary_file_stream.h" 6a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 7a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "base/bind.h" 8a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "base/callback.h" 95c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu#include "base/files/file_proxy.h" 10a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "base/memory/ref_counted.h" 11a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "content/public/browser/browser_thread.h" 12a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "net/base/file_stream.h" 131320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci#include "storage/common/blob/shareable_file_reference.h" 14a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 1503b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles)using storage::ShareableFileReference; 16a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 17a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)namespace content { 18a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 19a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)namespace { 20a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 21a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void DidCreateTemporaryFile( 22a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) const CreateTemporaryFileStreamCallback& callback, 235c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu scoped_ptr<base::FileProxy> file_proxy, 24a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::File::Error error_code, 25a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) const base::FilePath& file_path) { 26a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); 27a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 285c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu if (!file_proxy->IsValid()) { 29a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) callback.Run(error_code, scoped_ptr<net::FileStream>(), NULL); 30a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return; 31a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) } 32a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 335c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu scoped_refptr<base::TaskRunner> task_runner = 345c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE); 355c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 36a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // Cancelled or not, create the deletable_file so the temporary is cleaned up. 37a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) scoped_refptr<ShareableFileReference> deletable_file = 38a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ShareableFileReference::GetOrCreate( 39a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) file_path, 40a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ShareableFileReference::DELETE_ON_FINAL_RELEASE, 415c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu task_runner.get()); 42a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 435c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu scoped_ptr<net::FileStream> file_stream( 445c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu new net::FileStream(file_proxy->TakeFile(), task_runner)); 45a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 461320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci callback.Run(error_code, file_stream.Pass(), deletable_file.get()); 47a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)} 48a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 49a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)} // namespace 50a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 51a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void CreateTemporaryFileStream( 52a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) const CreateTemporaryFileStreamCallback& callback) { 53a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); 54a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 555c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu scoped_ptr<base::FileProxy> file_proxy(new base::FileProxy( 565c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE).get())); 575c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu base::FileProxy* proxy = file_proxy.get(); 585c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu proxy->CreateTemporary( 595c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu base::File::FLAG_ASYNC, 605c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu base::Bind(&DidCreateTemporaryFile, callback, Passed(&file_proxy))); 61a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)} 62a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 63a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)} // namespace content 64