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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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/in_process_webkit/indexed_db_key_utility_client.h" | 5 #include "content/browser/in_process_webkit/indexed_db_key_utility_client.h" |
6 | 6 |
7 #include "base/lazy_instance.h" | 7 #include "base/lazy_instance.h" |
8 #include "base/synchronization/waitable_event.h" | 8 #include "base/synchronization/waitable_event.h" |
9 #include "chrome/browser/browser_process.h" | |
10 #include "chrome/browser/utility_process_host.h" | 9 #include "chrome/browser/utility_process_host.h" |
11 #include "content/common/indexed_db_key.h" | 10 #include "content/common/indexed_db_key.h" |
12 #include "content/common/serialized_script_value.h" | 11 #include "content/common/serialized_script_value.h" |
13 | 12 |
14 // This class is used to obtain IndexedDBKeys from SerializedScriptValues | 13 // This class is used to obtain IndexedDBKeys from SerializedScriptValues |
15 // given an IDBKeyPath. It uses UtilityProcess to do this inside a sandbox | 14 // given an IDBKeyPath. It uses UtilityProcess to do this inside a sandbox |
16 // (a V8 lock is required there). At this level, all methods are synchronous | 15 // (a V8 lock is required there). At this level, all methods are synchronous |
17 // as required by the caller. The public API is used on WEBKIT thread, | 16 // as required by the caller. The public API is used on WEBKIT thread, |
18 // but internally it moves around to UI and IO as needed. | 17 // but internally it moves around to UI and IO as needed. |
19 class KeyUtilityClientImpl | 18 class KeyUtilityClientImpl |
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55 private: | 54 private: |
56 KeyUtilityClientImpl* parent_; | 55 KeyUtilityClientImpl* parent_; |
57 | 56 |
58 DISALLOW_COPY_AND_ASSIGN(Client); | 57 DISALLOW_COPY_AND_ASSIGN(Client); |
59 }; | 58 }; |
60 | 59 |
61 friend class base::RefCountedThreadSafe<KeyUtilityClientImpl>; | 60 friend class base::RefCountedThreadSafe<KeyUtilityClientImpl>; |
62 ~KeyUtilityClientImpl(); | 61 ~KeyUtilityClientImpl(); |
63 | 62 |
64 void GetRDHAndStartUtilityProcess(); | 63 void GetRDHAndStartUtilityProcess(); |
65 void StartUtilityProcessInternal(ResourceDispatcherHost* rdh); | 64 void StartUtilityProcessInternal(); |
66 void EndUtilityProcessInternal(); | 65 void EndUtilityProcessInternal(); |
67 void CallStartIDBKeyFromValueAndKeyPathFromIOThread( | 66 void CallStartIDBKeyFromValueAndKeyPathFromIOThread( |
68 const std::vector<SerializedScriptValue>& values, | 67 const std::vector<SerializedScriptValue>& values, |
69 const string16& key_path); | 68 const string16& key_path); |
70 void CallStartInjectIDBKeyFromIOThread( | 69 void CallStartInjectIDBKeyFromIOThread( |
71 const IndexedDBKey& key, | 70 const IndexedDBKey& key, |
72 const SerializedScriptValue& value, | 71 const SerializedScriptValue& value, |
73 const string16& key_path); | 72 const string16& key_path); |
74 | 73 |
75 void SetKeys(const std::vector<IndexedDBKey>& keys); | 74 void SetKeys(const std::vector<IndexedDBKey>& keys); |
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245 // browser_process.h | 244 // browser_process.h |
246 if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) { | 245 if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) { |
247 BrowserThread::PostTask( | 246 BrowserThread::PostTask( |
248 BrowserThread::UI, FROM_HERE, | 247 BrowserThread::UI, FROM_HERE, |
249 NewRunnableMethod( | 248 NewRunnableMethod( |
250 this, | 249 this, |
251 &KeyUtilityClientImpl::GetRDHAndStartUtilityProcess)); | 250 &KeyUtilityClientImpl::GetRDHAndStartUtilityProcess)); |
252 return; | 251 return; |
253 } | 252 } |
254 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | 253 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
255 StartUtilityProcessInternal(g_browser_process->resource_dispatcher_host()); | 254 StartUtilityProcessInternal(); |
256 } | 255 } |
257 | 256 |
258 void KeyUtilityClientImpl::StartUtilityProcessInternal( | 257 void KeyUtilityClientImpl::StartUtilityProcessInternal() { |
259 ResourceDispatcherHost* rdh) { | |
260 DCHECK(rdh); | |
261 // The ResourceDispatcherHost can only be used on the IO thread. | 258 // The ResourceDispatcherHost can only be used on the IO thread. |
262 if (!BrowserThread::CurrentlyOn(BrowserThread::IO)) { | 259 if (!BrowserThread::CurrentlyOn(BrowserThread::IO)) { |
263 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | 260 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
264 BrowserThread::PostTask( | 261 BrowserThread::PostTask( |
265 BrowserThread::IO, FROM_HERE, | 262 BrowserThread::IO, FROM_HERE, |
266 NewRunnableMethod( | 263 NewRunnableMethod( |
267 this, | 264 this, |
268 &KeyUtilityClientImpl::StartUtilityProcessInternal, | 265 &KeyUtilityClientImpl::StartUtilityProcessInternal)); |
269 rdh)); | |
270 return; | 266 return; |
271 } | 267 } |
272 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | 268 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); |
273 DCHECK(state_ == STATE_UNINITIALIZED); | 269 DCHECK(state_ == STATE_UNINITIALIZED); |
274 | 270 |
275 client_ = new KeyUtilityClientImpl::Client(this); | 271 client_ = new KeyUtilityClientImpl::Client(this); |
276 utility_process_host_ = new UtilityProcessHost( | 272 utility_process_host_ = new UtilityProcessHost( |
277 rdh, client_.get(), BrowserThread::IO); | 273 client_.get(), BrowserThread::IO); |
278 utility_process_host_->StartBatchMode(); | 274 utility_process_host_->StartBatchMode(); |
279 state_ = STATE_INITIALIZED; | 275 state_ = STATE_INITIALIZED; |
280 waitable_event_.Signal(); | 276 waitable_event_.Signal(); |
281 } | 277 } |
282 | 278 |
283 void KeyUtilityClientImpl::EndUtilityProcessInternal() { | 279 void KeyUtilityClientImpl::EndUtilityProcessInternal() { |
284 if (!BrowserThread::CurrentlyOn(BrowserThread::IO)) { | 280 if (!BrowserThread::CurrentlyOn(BrowserThread::IO)) { |
285 BrowserThread::PostTask( | 281 BrowserThread::PostTask( |
286 BrowserThread::IO, FROM_HERE, | 282 BrowserThread::IO, FROM_HERE, |
287 NewRunnableMethod( | 283 NewRunnableMethod( |
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374 void KeyUtilityClientImpl::Client::OnInjectIDBKeyFinished( | 370 void KeyUtilityClientImpl::Client::OnInjectIDBKeyFinished( |
375 const SerializedScriptValue& value) { | 371 const SerializedScriptValue& value) { |
376 parent_->SetValueAfterInjection(value); | 372 parent_->SetValueAfterInjection(value); |
377 parent_->FinishInjectingKey(); | 373 parent_->FinishInjectingKey(); |
378 } | 374 } |
379 | 375 |
380 void KeyUtilityClientImpl::Client::OnIDBKeysFromValuesAndKeyPathFailed( | 376 void KeyUtilityClientImpl::Client::OnIDBKeysFromValuesAndKeyPathFailed( |
381 int id) { | 377 int id) { |
382 parent_->FinishCreatingKeys(); | 378 parent_->FinishCreatingKeys(); |
383 } | 379 } |
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