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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "chrome/browser/sync/glue/session_change_processor.h" | |
| 6 | |
| 7 #include <sstream> | |
| 8 #include <string> | |
| 9 | |
| 10 #include "base/logging.h" | |
| 11 #include "chrome/browser/chrome_thread.h" | |
| 12 #include "chrome/browser/sync/engine/syncapi.h" | |
| 13 #include "chrome/browser/sync/glue/session_model_associator.h" | |
| 14 #include "chrome/common/notification_details.h" | |
| 15 #include "chrome/common/notification_source.h" | |
| 16 | |
| 17 namespace browser_sync { | |
| 18 | |
| 19 SessionChangeProcessor::SessionChangeProcessor( | |
| 20 UnrecoverableErrorHandler* error_handler, | |
| 21 SessionModelAssociator* session_model_associator) | |
| 22 : ChangeProcessor(error_handler), | |
| 23 session_model_associator_(session_model_associator), | |
| 24 profile_(NULL) { | |
| 25 DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI)); | |
| 26 DCHECK(error_handler); | |
| 27 DCHECK(session_model_associator_); | |
| 28 } | |
| 29 | |
| 30 SessionChangeProcessor::~SessionChangeProcessor() { | |
| 31 DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI)); | |
| 32 } | |
| 33 | |
| 34 void SessionChangeProcessor::Observe(NotificationType type, | |
| 35 const NotificationSource& source, | |
| 36 const NotificationDetails& details) { | |
| 37 DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI)); | |
| 38 DCHECK(running()); | |
| 39 DCHECK(profile_); | |
| 40 switch (type.value) { | |
| 41 case NotificationType::SESSION_SERVICE_SAVED: { | |
| 42 std::string tag = session_model_associator_->GetCurrentMachineTag(); | |
| 43 DCHECK_EQ(Source<Profile>(source).ptr(), profile_); | |
| 44 LOG(INFO) << "Got change notification of type " << type.value | |
| 45 << " for session " << tag; | |
| 46 session_model_associator_->UpdateSyncModelDataFromClient(); | |
| 47 break; | |
| 48 } | |
| 49 default: | |
| 50 LOG(DFATAL) << "Received unexpected notification of type " | |
| 51 << type.value; | |
| 52 break; | |
| 53 } | |
| 54 } | |
| 55 | |
| 56 void SessionChangeProcessor::ApplyChangesFromSyncModel( | |
| 57 const sync_api::BaseTransaction* trans, | |
| 58 const sync_api::SyncManager::ChangeRecord* changes, | |
| 59 int change_count) { | |
| 60 DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI)); | |
| 61 if (!running()) { | |
| 62 return; | |
| 63 } | |
| 64 for (int i = 0; i < change_count; ++i) { | |
| 65 const sync_api::SyncManager::ChangeRecord& change = changes[i]; | |
| 66 switch (change.action) { | |
| 67 case sync_api::SyncManager::ChangeRecord::ACTION_ADD: | |
| 68 UpdateModel(trans, change, true); | |
| 69 break; | |
| 70 case sync_api::SyncManager::ChangeRecord::ACTION_UPDATE: | |
| 71 UpdateModel(trans, change, true); | |
| 72 break; | |
| 73 case sync_api::SyncManager::ChangeRecord::ACTION_DELETE: | |
| 74 UpdateModel(trans, change, false); | |
| 75 break; | |
| 76 } | |
| 77 } | |
| 78 } | |
| 79 | |
| 80 void SessionChangeProcessor::UpdateModel(const sync_api::BaseTransaction* trans, | |
| 81 const sync_api::SyncManager::ChangeRecord& change, bool associate) { | |
| 82 sync_api::ReadNode node(trans); | |
| 83 if (!node.InitByIdLookup(change.id)) { | |
| 84 std::stringstream error; | |
| 85 error << "Session node lookup failed for change " << change.id | |
| 86 << " of action type " << change.action; | |
| 87 error_handler()->OnUnrecoverableError(FROM_HERE, error.str()); | |
| 88 return; | |
| 89 } | |
| 90 DCHECK_EQ(node.GetModelType(), syncable::SESSIONS); | |
| 91 StopObserving(); | |
| 92 if (associate) { | |
| 93 session_model_associator_->Associate( | |
| 94 (const sync_pb::SessionSpecifics *) NULL, node.GetId()); | |
| 95 } else { | |
| 96 session_model_associator_->Disassociate(node.GetId()); | |
| 97 } | |
| 98 StartObserving(); | |
| 99 } | |
| 100 | |
| 101 void SessionChangeProcessor::StartImpl(Profile* profile) { | |
| 102 DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI)); | |
| 103 DCHECK(profile); | |
| 104 DCHECK(profile_ == NULL); | |
| 105 profile_ = profile; | |
| 106 StartObserving(); | |
| 107 } | |
| 108 | |
| 109 void SessionChangeProcessor::StopImpl() { | |
| 110 DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI)); | |
| 111 StopObserving(); | |
| 112 profile_ = NULL; | |
| 113 } | |
| 114 | |
| 115 void SessionChangeProcessor::StartObserving() { | |
| 116 DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI)); | |
| 117 DCHECK(profile_); | |
| 118 LOG(INFO) << "Observing SESSION_SERVICE_SAVED"; | |
| 119 notification_registrar_.Add( | |
| 120 this, NotificationType::SESSION_SERVICE_SAVED, | |
| 121 Source<Profile>(profile_)); | |
| 122 } | |
| 123 | |
| 124 void SessionChangeProcessor::StopObserving() { | |
| 125 DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI)); | |
| 126 DCHECK(profile_); | |
| 127 LOG(INFO) << "removing observation of all notifications"; | |
| 128 notification_registrar_.RemoveAll(); | |
| 129 } | |
| 130 | |
| 131 } // namespace browser_sync | |
| 132 | |
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Chromium Code Reviews
Issue 3127017:
Revert 56423 - Added classes to enable session sync functionality.... (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src/