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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 "chrome/browser/local_discovery/pwg_raster_converter.h" | 5 #include "chrome/browser/local_discovery/pwg_raster_converter.h" |
6 | 6 |
7 #include "base/bind_helpers.h" | 7 #include "base/bind_helpers.h" |
8 #include "base/cancelable_callback.h" | 8 #include "base/cancelable_callback.h" |
9 #include "base/file_util.h" | 9 #include "base/file_util.h" |
10 #include "base/files/scoped_temp_dir.h" | 10 #include "base/files/scoped_temp_dir.h" |
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101 // 3. Start utility process and start conversion on the IO thread. | 101 // 3. Start utility process and start conversion on the IO thread. |
102 // 4. Run result callback on the UI thread. | 102 // 4. Run result callback on the UI thread. |
103 // 5. Instance is destroyed from any thread that has the last reference. | 103 // 5. Instance is destroyed from any thread that has the last reference. |
104 // 6. FileHandlers destroyed on the FILE thread. | 104 // 6. FileHandlers destroyed on the FILE thread. |
105 // This step posts |FileHandlers| to be destroyed on the FILE thread. | 105 // This step posts |FileHandlers| to be destroyed on the FILE thread. |
106 // All these steps work sequentially, so no data should be accessed | 106 // All these steps work sequentially, so no data should be accessed |
107 // simultaneously by several threads. | 107 // simultaneously by several threads. |
108 class PwgUtilityProcessHostClient : public content::UtilityProcessHostClient { | 108 class PwgUtilityProcessHostClient : public content::UtilityProcessHostClient { |
109 public: | 109 public: |
110 explicit PwgUtilityProcessHostClient( | 110 explicit PwgUtilityProcessHostClient( |
111 const printing::PdfRenderSettings& settings); | 111 const printing::PdfRenderSettings& settings, |
| 112 const printing::PwgRasterSettings& bitmap_settings); |
112 | 113 |
113 void Convert(base::RefCountedMemory* data, | 114 void Convert(base::RefCountedMemory* data, |
114 const PWGRasterConverter::ResultCallback& callback); | 115 const PWGRasterConverter::ResultCallback& callback); |
115 | 116 |
116 // UtilityProcessHostClient implementation. | 117 // UtilityProcessHostClient implementation. |
117 virtual void OnProcessCrashed(int exit_code) OVERRIDE; | 118 virtual void OnProcessCrashed(int exit_code) OVERRIDE; |
118 virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; | 119 virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; |
119 | 120 |
120 private: | 121 private: |
121 virtual ~PwgUtilityProcessHostClient(); | 122 virtual ~PwgUtilityProcessHostClient(); |
122 | 123 |
123 // Message handlers. | 124 // Message handlers. |
124 void OnProcessStarted(); | 125 void OnProcessStarted(); |
125 void OnSucceeded(); | 126 void OnSucceeded(); |
126 void OnFailed(); | 127 void OnFailed(); |
127 | 128 |
128 void RunCallback(bool success); | 129 void RunCallback(bool success); |
129 | 130 |
130 void StartProcessOnIOThread(); | 131 void StartProcessOnIOThread(); |
131 | 132 |
132 void RunCallbackOnUIThread(bool success); | 133 void RunCallbackOnUIThread(bool success); |
133 void OnFilesReadyOnUIThread(); | 134 void OnFilesReadyOnUIThread(); |
134 | 135 |
135 scoped_ptr<FileHandlers> files_; | 136 scoped_ptr<FileHandlers> files_; |
136 printing::PdfRenderSettings settings_; | 137 printing::PdfRenderSettings settings_; |
| 138 printing::PwgRasterSettings bitmap_settings_; |
137 PWGRasterConverter::ResultCallback callback_; | 139 PWGRasterConverter::ResultCallback callback_; |
138 base::WeakPtr<content::UtilityProcessHost> utility_process_host_; | 140 base::WeakPtr<content::UtilityProcessHost> utility_process_host_; |
139 | 141 |
140 DISALLOW_COPY_AND_ASSIGN(PwgUtilityProcessHostClient); | 142 DISALLOW_COPY_AND_ASSIGN(PwgUtilityProcessHostClient); |
141 }; | 143 }; |
142 | 144 |
143 PwgUtilityProcessHostClient::PwgUtilityProcessHostClient( | 145 PwgUtilityProcessHostClient::PwgUtilityProcessHostClient( |
144 const printing::PdfRenderSettings& settings) : settings_(settings) { | 146 const printing::PdfRenderSettings& settings, |
145 } | 147 const printing::PwgRasterSettings& bitmap_settings) |
| 148 : settings_(settings), bitmap_settings_(bitmap_settings) {} |
146 | 149 |
147 PwgUtilityProcessHostClient::~PwgUtilityProcessHostClient() { | 150 PwgUtilityProcessHostClient::~PwgUtilityProcessHostClient() { |
148 // Delete temp directory. | 151 // Delete temp directory. |
149 BrowserThread::DeleteSoon(BrowserThread::FILE, FROM_HERE, files_.release()); | 152 BrowserThread::DeleteSoon(BrowserThread::FILE, FROM_HERE, files_.release()); |
150 } | 153 } |
151 | 154 |
152 void PwgUtilityProcessHostClient::Convert( | 155 void PwgUtilityProcessHostClient::Convert( |
153 base::RefCountedMemory* data, | 156 base::RefCountedMemory* data, |
154 const PWGRasterConverter::ResultCallback& callback) { | 157 const PWGRasterConverter::ResultCallback& callback) { |
155 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | 158 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
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182 } | 185 } |
183 | 186 |
184 void PwgUtilityProcessHostClient::OnProcessStarted() { | 187 void PwgUtilityProcessHostClient::OnProcessStarted() { |
185 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | 188 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); |
186 if (!utility_process_host_) { | 189 if (!utility_process_host_) { |
187 RunCallbackOnUIThread(false); | 190 RunCallbackOnUIThread(false); |
188 return; | 191 return; |
189 } | 192 } |
190 | 193 |
191 base::ProcessHandle process = utility_process_host_->GetData().handle; | 194 base::ProcessHandle process = utility_process_host_->GetData().handle; |
192 utility_process_host_->Send( | 195 utility_process_host_->Send(new ChromeUtilityMsg_RenderPDFPagesToPWGRaster( |
193 new ChromeUtilityMsg_RenderPDFPagesToPWGRaster( | 196 files_->GetPdfForProcess(process), |
194 files_->GetPdfForProcess(process), | 197 settings_, |
195 settings_, | 198 bitmap_settings_, |
196 files_->GetPwgForProcess(process))); | 199 files_->GetPwgForProcess(process))); |
197 utility_process_host_.reset(); | 200 utility_process_host_.reset(); |
198 } | 201 } |
199 | 202 |
200 void PwgUtilityProcessHostClient::OnSucceeded() { | 203 void PwgUtilityProcessHostClient::OnSucceeded() { |
201 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | 204 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); |
202 RunCallback(true); | 205 RunCallback(true); |
203 } | 206 } |
204 | 207 |
205 void PwgUtilityProcessHostClient::OnFailed() { | 208 void PwgUtilityProcessHostClient::OnFailed() { |
206 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | 209 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); |
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245 } | 248 } |
246 | 249 |
247 class PWGRasterConverterImpl : public PWGRasterConverter { | 250 class PWGRasterConverterImpl : public PWGRasterConverter { |
248 public: | 251 public: |
249 PWGRasterConverterImpl(); | 252 PWGRasterConverterImpl(); |
250 | 253 |
251 virtual ~PWGRasterConverterImpl(); | 254 virtual ~PWGRasterConverterImpl(); |
252 | 255 |
253 virtual void Start(base::RefCountedMemory* data, | 256 virtual void Start(base::RefCountedMemory* data, |
254 const printing::PdfRenderSettings& conversion_settings, | 257 const printing::PdfRenderSettings& conversion_settings, |
| 258 const printing::PwgRasterSettings& bitmap_settings, |
255 const ResultCallback& callback) OVERRIDE; | 259 const ResultCallback& callback) OVERRIDE; |
| 260 |
256 private: | 261 private: |
257 scoped_refptr<PwgUtilityProcessHostClient> utility_client_; | 262 scoped_refptr<PwgUtilityProcessHostClient> utility_client_; |
258 base::CancelableCallback<ResultCallback::RunType> callback_; | 263 base::CancelableCallback<ResultCallback::RunType> callback_; |
259 | 264 |
260 DISALLOW_COPY_AND_ASSIGN(PWGRasterConverterImpl); | 265 DISALLOW_COPY_AND_ASSIGN(PWGRasterConverterImpl); |
261 }; | 266 }; |
262 | 267 |
263 PWGRasterConverterImpl::PWGRasterConverterImpl() { | 268 PWGRasterConverterImpl::PWGRasterConverterImpl() { |
264 } | 269 } |
265 | 270 |
266 PWGRasterConverterImpl::~PWGRasterConverterImpl() { | 271 PWGRasterConverterImpl::~PWGRasterConverterImpl() { |
267 } | 272 } |
268 | 273 |
269 void PWGRasterConverterImpl::Start( | 274 void PWGRasterConverterImpl::Start( |
270 base::RefCountedMemory* data, | 275 base::RefCountedMemory* data, |
271 const printing::PdfRenderSettings& conversion_settings, | 276 const printing::PdfRenderSettings& conversion_settings, |
| 277 const printing::PwgRasterSettings& bitmap_settings, |
272 const ResultCallback& callback) { | 278 const ResultCallback& callback) { |
273 // Rebind cancelable callback to avoid calling callback if | 279 // Rebind cancelable callback to avoid calling callback if |
274 // PWGRasterConverterImpl is destroyed. | 280 // PWGRasterConverterImpl is destroyed. |
275 callback_.Reset(callback); | 281 callback_.Reset(callback); |
276 utility_client_ = new PwgUtilityProcessHostClient(conversion_settings); | 282 utility_client_ = |
| 283 new PwgUtilityProcessHostClient(conversion_settings, bitmap_settings); |
277 utility_client_->Convert(data, callback_.callback()); | 284 utility_client_->Convert(data, callback_.callback()); |
278 } | 285 } |
279 | 286 |
280 } // namespace | 287 } // namespace |
281 | 288 |
282 // static | 289 // static |
283 scoped_ptr<PWGRasterConverter> PWGRasterConverter::CreateDefault() { | 290 scoped_ptr<PWGRasterConverter> PWGRasterConverter::CreateDefault() { |
284 return scoped_ptr<PWGRasterConverter>(new PWGRasterConverterImpl()); | 291 return scoped_ptr<PWGRasterConverter>(new PWGRasterConverterImpl()); |
285 } | 292 } |
286 | 293 |
287 } // namespace local_discovery | 294 } // namespace local_discovery |
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