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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "content/browser/loader/redirect_to_file_resource_handler.h" | 5 #include "content/browser/loader/redirect_to_file_resource_handler.h" |
| 6 | 6 |
| 7 #include "base/bind.h" | 7 #include "base/bind.h" |
| 8 #include "base/files/file_util_proxy.h" | 8 #include "base/files/file_util_proxy.h" |
| 9 #include "base/logging.h" | 9 #include "base/logging.h" |
| 10 #include "base/message_loop/message_loop_proxy.h" | 10 #include "base/message_loop/message_loop_proxy.h" |
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| 88 bool RedirectToFileResourceHandler::OnWillStart(int request_id, | 88 bool RedirectToFileResourceHandler::OnWillStart(int request_id, |
| 89 const GURL& url, | 89 const GURL& url, |
| 90 bool* defer) { | 90 bool* defer) { |
| 91 request_id_ = request_id; | 91 request_id_ = request_id; |
| 92 if (!deletable_file_.get()) { | 92 if (!deletable_file_.get()) { |
| 93 // Defer starting the request until we have created the temporary file. | 93 // Defer starting the request until we have created the temporary file. |
| 94 // TODO(darin): This is sub-optimal. We should not delay starting the | 94 // TODO(darin): This is sub-optimal. We should not delay starting the |
| 95 // network request like this. | 95 // network request like this. |
| 96 did_defer_ = *defer = true; | 96 did_defer_ = *defer = true; |
| 97 base::FileUtilProxy::CreateTemporary( | 97 base::FileUtilProxy::CreateTemporary( |
| 98 BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE), | 98 BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE).get(), |
| 99 base::PLATFORM_FILE_ASYNC, | 99 base::PLATFORM_FILE_ASYNC, |
| 100 base::Bind(&RedirectToFileResourceHandler::DidCreateTemporaryFile, | 100 base::Bind(&RedirectToFileResourceHandler::DidCreateTemporaryFile, |
| 101 weak_factory_.GetWeakPtr())); | 101 weak_factory_.GetWeakPtr())); |
| 102 return true; | 102 return true; |
| 103 } | 103 } |
| 104 return next_handler_->OnWillStart(request_id, url, defer); | 104 return next_handler_->OnWillStart(request_id, url, defer); |
| 105 } | 105 } |
| 106 | 106 |
| 107 bool RedirectToFileResourceHandler::OnWillRead(int request_id, | 107 bool RedirectToFileResourceHandler::OnWillRead(int request_id, |
| 108 net::IOBuffer** buf, | 108 net::IOBuffer** buf, |
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| 158 return false; | 158 return false; |
| 159 } | 159 } |
| 160 return next_handler_->OnResponseCompleted(request_id, status, security_info); | 160 return next_handler_->OnResponseCompleted(request_id, status, security_info); |
| 161 } | 161 } |
| 162 | 162 |
| 163 void RedirectToFileResourceHandler::DidCreateTemporaryFile( | 163 void RedirectToFileResourceHandler::DidCreateTemporaryFile( |
| 164 base::PlatformFileError /*error_code*/, | 164 base::PlatformFileError /*error_code*/, |
| 165 base::PassPlatformFile file_handle, | 165 base::PassPlatformFile file_handle, |
| 166 const base::FilePath& file_path) { | 166 const base::FilePath& file_path) { |
| 167 deletable_file_ = ShareableFileReference::GetOrCreate( | 167 deletable_file_ = ShareableFileReference::GetOrCreate( |
| 168 file_path, ShareableFileReference::DELETE_ON_FINAL_RELEASE, | 168 file_path, |
| 169 BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE)); | 169 ShareableFileReference::DELETE_ON_FINAL_RELEASE, |
| 170 file_stream_.reset(new net::FileStream(file_handle.ReleaseValue(), | 170 BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE).get()); |
| 171 base::PLATFORM_FILE_WRITE | | 171 file_stream_.reset( |
| 172 base::PLATFORM_FILE_ASYNC, | 172 new net::FileStream(file_handle.ReleaseValue(), |
| 173 NULL)); | 173 base::PLATFORM_FILE_WRITE | base::PLATFORM_FILE_ASYNC, |
| 174 NULL)); |
| 174 host_->RegisterDownloadedTempFile( | 175 host_->RegisterDownloadedTempFile( |
| 175 process_id_, request_id_, deletable_file_.get()); | 176 process_id_, request_id_, deletable_file_.get()); |
| 176 ResumeIfDeferred(); | 177 ResumeIfDeferred(); |
| 177 } | 178 } |
| 178 | 179 |
| 179 void RedirectToFileResourceHandler::DidWriteToFile(int result) { | 180 void RedirectToFileResourceHandler::DidWriteToFile(int result) { |
| 180 write_callback_pending_ = false; | 181 write_callback_pending_ = false; |
| 181 | 182 |
| 182 bool failed = false; | 183 bool failed = false; |
| 183 if (result > 0) { | 184 if (result > 0) { |
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| 259 } | 260 } |
| 260 | 261 |
| 261 void RedirectToFileResourceHandler::ResumeIfDeferred() { | 262 void RedirectToFileResourceHandler::ResumeIfDeferred() { |
| 262 if (did_defer_) { | 263 if (did_defer_) { |
| 263 did_defer_ = false; | 264 did_defer_ = false; |
| 264 controller()->Resume(); | 265 controller()->Resume(); |
| 265 } | 266 } |
| 266 } | 267 } |
| 267 | 268 |
| 268 } // namespace content | 269 } // namespace content |
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