| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "chrome/browser/sync/sessions2/sessions_sync_manager.h" |
| |
| #include "chrome/browser/chrome_notification_types.h" |
| #if !defined(OS_ANDROID) |
| #include "chrome/browser/network_time/navigation_time_helper.h" |
| #endif |
| #include "chrome/browser/sync/glue/synced_tab_delegate.h" |
| #include "chrome/browser/sync/glue/synced_window_delegate.h" |
| #include "chrome/common/url_constants.h" |
| #include "content/public/browser/favicon_status.h" |
| #include "content/public/browser/navigation_entry.h" |
| #include "content/public/browser/notification_details.h" |
| #include "content/public/browser/notification_service.h" |
| #include "content/public/browser/notification_source.h" |
| #include "content/public/common/url_constants.h" |
| #include "sync/api/sync_error.h" |
| #include "sync/api/sync_error_factory.h" |
| #include "sync/api/sync_merge_result.h" |
| #include "sync/api/time.h" |
| |
| using content::NavigationEntry; |
| using sessions::SerializedNavigationEntry; |
| using syncer::SyncChange; |
| using syncer::SyncData; |
| |
| namespace browser_sync { |
| |
| // Maximum number of favicons to sync. |
| // TODO(zea): pull this from the server. |
| static const int kMaxSyncFavicons = 200; |
| |
| // The maximum number of navigations in each direction we care to sync. |
| static const int kMaxSyncNavigationCount = 6; |
| |
| SessionsSyncManager::SessionsSyncManager( |
| Profile* profile, |
| scoped_ptr<SyncPrefs> sync_prefs, |
| SyncInternalApiDelegate* delegate) |
| : favicon_cache_(profile, kMaxSyncFavicons), |
| profile_(profile), |
| delegate_(delegate), |
| local_session_header_node_id_(TabNodePool2::kInvalidTabNodeID) { |
| sync_prefs_ = sync_prefs.Pass(); |
| } |
| |
| SessionsSyncManager::~SessionsSyncManager() { |
| } |
| |
| // Returns the GUID-based string that should be used for |
| // |SessionsSyncManager::current_machine_tag_|. |
| static std::string BuildMachineTag(const std::string& cache_guid) { |
| std::string machine_tag = "session_sync"; |
| machine_tag.append(cache_guid); |
| return machine_tag; |
| } |
| |
| syncer::SyncMergeResult SessionsSyncManager::MergeDataAndStartSyncing( |
| syncer::ModelType type, |
| const syncer::SyncDataList& initial_sync_data, |
| scoped_ptr<syncer::SyncChangeProcessor> sync_processor, |
| scoped_ptr<syncer::SyncErrorFactory> error_handler) { |
| syncer::SyncMergeResult merge_result(type); |
| DCHECK(session_tracker_.Empty()); |
| DCHECK_EQ(0U, local_tab_pool_.Capacity()); |
| |
| error_handler_ = error_handler.Pass(); |
| sync_processor_ = sync_processor.Pass(); |
| |
| local_session_header_node_id_ = TabNodePool2::kInvalidTabNodeID; |
| scoped_ptr<DeviceInfo> local_device_info(delegate_->GetLocalDeviceInfo()); |
| syncer::SyncChangeList new_changes; |
| |
| // Make sure we have a machine tag. We do this now (versus earlier) as it's |
| // a conveniently safe time to assert sync is ready and the cache_guid is |
| // initialized. |
| if (current_machine_tag_.empty()) |
| InitializeCurrentMachineTag(); |
| if (local_device_info) { |
| current_session_name_ = local_device_info->client_name(); |
| } else { |
| merge_result.set_error(error_handler_->CreateAndUploadError( |
| FROM_HERE, |
| "Failed to get device info for machine tag.")); |
| return merge_result; |
| } |
| session_tracker_.SetLocalSessionTag(current_machine_tag_); |
| |
| // First, we iterate over sync data to update our session_tracker_. |
| if (!InitFromSyncModel(initial_sync_data, &new_changes)) { |
| // The sync db didn't have a header node for us. Create one. |
| sync_pb::EntitySpecifics specifics; |
| sync_pb::SessionSpecifics* base_specifics = specifics.mutable_session(); |
| base_specifics->set_session_tag(current_machine_tag()); |
| sync_pb::SessionHeader* header_s = base_specifics->mutable_header(); |
| header_s->set_client_name(current_session_name_); |
| header_s->set_device_type(DeviceInfo::GetLocalDeviceType()); |
| syncer::SyncData data = syncer::SyncData::CreateLocalData( |
| current_machine_tag(), current_session_name_, specifics); |
| new_changes.push_back(syncer::SyncChange( |
| FROM_HERE, syncer::SyncChange::ACTION_ADD, data)); |
| } |
| |
| #if defined(OS_ANDROID) |
| std::string sync_machine_tag(BuildMachineTag(delegate_->GetCacheGuid())); |
| if (current_machine_tag_.compare(sync_machine_tag) != 0) |
| DeleteForeignSession(sync_machine_tag, &new_changes); |
| #endif |
| |
| // Check if anything has changed on the local client side. |
| AssociateWindows(RELOAD_TABS, &new_changes); |
| |
| merge_result.set_error( |
| sync_processor_->ProcessSyncChanges(FROM_HERE, new_changes)); |
| return merge_result; |
| } |
| |
| void SessionsSyncManager::AssociateWindows( |
| ReloadTabsOption option, |
| syncer::SyncChangeList* change_output) { |
| const std::string local_tag = current_machine_tag(); |
| sync_pb::SessionSpecifics specifics; |
| specifics.set_session_tag(local_tag); |
| sync_pb::SessionHeader* header_s = specifics.mutable_header(); |
| SyncedSession* current_session = session_tracker_.GetSession(local_tag); |
| current_session->modified_time = base::Time::Now(); |
| header_s->set_client_name(current_session_name_); |
| header_s->set_device_type(DeviceInfo::GetLocalDeviceType()); |
| |
| session_tracker_.ResetSessionTracking(local_tag); |
| std::set<SyncedWindowDelegate*> windows = |
| SyncedWindowDelegate::GetSyncedWindowDelegates(); |
| |
| for (std::set<SyncedWindowDelegate*>::const_iterator i = |
| windows.begin(); i != windows.end(); ++i) { |
| // Make sure the window has tabs and a viewable window. The viewable window |
| // check is necessary because, for example, when a browser is closed the |
| // destructor is not necessarily run immediately. This means its possible |
| // for us to get a handle to a browser that is about to be removed. If |
| // the tab count is 0 or the window is NULL, the browser is about to be |
| // deleted, so we ignore it. |
| if (ShouldSyncWindow(*i) && (*i)->GetTabCount() && (*i)->HasWindow()) { |
| sync_pb::SessionWindow window_s; |
| SessionID::id_type window_id = (*i)->GetSessionId(); |
| DVLOG(1) << "Associating window " << window_id << " with " |
| << (*i)->GetTabCount() << " tabs."; |
| window_s.set_window_id(window_id); |
| // Note: We don't bother to set selected tab index anymore. We still |
| // consume it when receiving foreign sessions, as reading it is free, but |
| // it triggers too many sync cycles with too little value to make setting |
| // it worthwhile. |
| if ((*i)->IsTypeTabbed()) { |
| window_s.set_browser_type( |
| sync_pb::SessionWindow_BrowserType_TYPE_TABBED); |
| } else { |
| window_s.set_browser_type( |
| sync_pb::SessionWindow_BrowserType_TYPE_POPUP); |
| } |
| |
| bool found_tabs = false; |
| for (int j = 0; j < (*i)->GetTabCount(); ++j) { |
| SessionID::id_type tab_id = (*i)->GetTabIdAt(j); |
| SyncedTabDelegate* synced_tab = (*i)->GetTabAt(j); |
| |
| // GetTabAt can return a null tab; in that case just skip it. |
| if (!synced_tab) |
| continue; |
| |
| if (!synced_tab->HasWebContents()) { |
| // For tabs without WebContents update the |tab_id|, as it could have |
| // changed after a session restore. |
| // Note: We cannot check if a tab is valid if it has no WebContents. |
| // We assume any such tab is valid and leave the contents of |
| // corresponding sync node unchanged. |
| if (synced_tab->GetSyncId() > TabNodePool2::kInvalidTabNodeID && |
| tab_id > TabNodePool2::kInvalidTabID) { |
| UpdateTabIdIfNecessary(*synced_tab, tab_id, change_output); |
| found_tabs = true; |
| window_s.add_tab(tab_id); |
| } |
| continue; |
| } |
| |
| if (RELOAD_TABS == option) |
| AssociateTab(synced_tab, change_output); |
| |
| // If the tab is valid, it would have been added to the tracker either |
| // by the above AssociateTab call (at association time), or by the |
| // change processor calling AssociateTab for all modified tabs. |
| // Therefore, we can key whether this window has valid tabs based on |
| // the tab's presence in the tracker. |
| const SessionTab* tab = NULL; |
| if (session_tracker_.LookupSessionTab(local_tag, tab_id, &tab)) { |
| found_tabs = true; |
| window_s.add_tab(tab_id); |
| } |
| } |
| if (found_tabs) { |
| sync_pb::SessionWindow* header_window = header_s->add_window(); |
| *header_window = window_s; |
| |
| // Update this window's representation in the synced session tracker. |
| session_tracker_.PutWindowInSession(local_tag, window_id); |
| BuildSyncedSessionFromSpecifics(local_tag, |
| window_s, |
| current_session->modified_time, |
| current_session->windows[window_id]); |
| } |
| } |
| } |
| local_tab_pool_.DeleteUnassociatedTabNodes(change_output); |
| session_tracker_.CleanupSession(local_tag); |
| |
| // Always update the header. Sync takes care of dropping this update |
| // if the entity specifics are identical (i.e windows, client name did |
| // not change). |
| sync_pb::EntitySpecifics entity; |
| entity.mutable_session()->CopyFrom(specifics); |
| syncer::SyncData data = syncer::SyncData::CreateLocalData( |
| current_machine_tag(), current_session_name_, entity); |
| change_output->push_back(syncer::SyncChange( |
| FROM_HERE, syncer::SyncChange::ACTION_UPDATE, data)); |
| } |
| |
| void SessionsSyncManager::AssociateTab(SyncedTabDelegate* const tab, |
| syncer::SyncChangeList* change_output) { |
| DCHECK(tab->HasWebContents()); |
| SessionID::id_type tab_id = tab->GetSessionId(); |
| if (tab->IsBeingDestroyed()) { |
| // This tab is closing. |
| TabLinksMap::iterator tab_iter = local_tab_map_.find(tab_id); |
| if (tab_iter == local_tab_map_.end()) { |
| // We aren't tracking this tab (for example, sync setting page). |
| return; |
| } |
| local_tab_pool_.FreeTabNode(tab_iter->second->tab_node_id(), |
| change_output); |
| local_tab_map_.erase(tab_iter); |
| return; |
| } |
| if (!ShouldSyncTab(*tab)) |
| return; |
| |
| TabLinksMap::iterator local_tab_map_iter = local_tab_map_.find(tab_id); |
| TabLink* tab_link = NULL; |
| int tab_node_id(TabNodePool2::kInvalidTabNodeID); |
| |
| if (local_tab_map_iter == local_tab_map_.end()) { |
| tab_node_id = tab->GetSyncId(); |
| // If there is an old sync node for the tab, reuse it. If this is a new |
| // tab, get a sync node for it. |
| if (!local_tab_pool_.IsUnassociatedTabNode(tab_node_id)) { |
| tab_node_id = local_tab_pool_.GetFreeTabNode(change_output); |
| tab->SetSyncId(tab_node_id); |
| } |
| local_tab_pool_.AssociateTabNode(tab_node_id, tab_id); |
| tab_link = new TabLink(tab_node_id, tab); |
| local_tab_map_[tab_id] = make_linked_ptr<TabLink>(tab_link); |
| } else { |
| // This tab is already associated with a sync node, reuse it. |
| // Note: on some platforms the tab object may have changed, so we ensure |
| // the tab link is up to date. |
| tab_link = local_tab_map_iter->second.get(); |
| local_tab_map_iter->second->set_tab(tab); |
| } |
| DCHECK(tab_link); |
| DCHECK_NE(tab_link->tab_node_id(), TabNodePool2::kInvalidTabNodeID); |
| DVLOG(1) << "Reloading tab " << tab_id << " from window " |
| << tab->GetWindowId(); |
| |
| // Write to sync model. |
| sync_pb::EntitySpecifics specifics; |
| LocalTabDelegateToSpecifics(*tab, specifics.mutable_session()); |
| syncer::SyncData data = syncer::SyncData::CreateLocalData( |
| TabNodePool2::TabIdToTag(current_machine_tag_, |
| tab_node_id), |
| current_session_name_, |
| specifics); |
| change_output->push_back(syncer::SyncChange( |
| FROM_HERE, syncer::SyncChange::ACTION_UPDATE, data)); |
| |
| const GURL new_url = GetCurrentVirtualURL(*tab); |
| if (new_url != tab_link->url()) { |
| tab_link->set_url(new_url); |
| favicon_cache_.OnFaviconVisited(new_url, GetCurrentFaviconURL(*tab)); |
| } |
| |
| session_tracker_.GetSession(current_machine_tag())->modified_time = |
| base::Time::Now(); |
| } |
| |
| void SessionsSyncManager::OnLocalTabModified( |
| const SyncedTabDelegate& modified_tab, syncer::SyncError* error) { |
| NOTIMPLEMENTED() << "TODO(tim): SessionModelAssociator::Observe equivalent."; |
| } |
| |
| void SessionsSyncManager::OnBrowserOpened() { |
| NOTIMPLEMENTED() << "TODO(tim): SessionModelAssociator::Observe equivalent."; |
| } |
| |
| bool SessionsSyncManager::ShouldSyncTab(const SyncedTabDelegate& tab) const { |
| if (tab.profile() != profile_) |
| return false; |
| |
| if (SyncedWindowDelegate::FindSyncedWindowDelegateWithId( |
| tab.GetWindowId()) == NULL) { |
| return false; |
| } |
| |
| // Does the tab have a valid NavigationEntry? |
| if (tab.ProfileIsManaged() && tab.GetBlockedNavigations()->size() > 0) |
| return true; |
| |
| int entry_count = tab.GetEntryCount(); |
| if (entry_count == 0) |
| return false; // This deliberately ignores a new pending entry. |
| |
| int pending_index = tab.GetPendingEntryIndex(); |
| bool found_valid_url = false; |
| for (int i = 0; i < entry_count; ++i) { |
| const content::NavigationEntry* entry = (i == pending_index) ? |
| tab.GetPendingEntry() : tab.GetEntryAtIndex(i); |
| if (!entry) |
| return false; |
| const GURL& virtual_url = entry->GetVirtualURL(); |
| if (virtual_url.is_valid() && |
| !virtual_url.SchemeIs(chrome::kChromeUIScheme) && |
| !virtual_url.SchemeIs(chrome::kChromeNativeScheme) && |
| !virtual_url.SchemeIsFile()) { |
| found_valid_url = true; |
| } |
| } |
| return found_valid_url; |
| } |
| |
| // static. |
| bool SessionsSyncManager::ShouldSyncWindow( |
| const SyncedWindowDelegate* window) { |
| if (window->IsApp()) |
| return false; |
| return window->IsTypeTabbed() || window->IsTypePopup(); |
| } |
| |
| void SessionsSyncManager::ForwardRelevantFaviconUpdatesToFaviconCache( |
| const std::set<GURL>& updated_favicon_page_urls) { |
| NOTIMPLEMENTED() << |
| "TODO(tim): SessionModelAssociator::FaviconsUpdated equivalent."; |
| } |
| |
| void SessionsSyncManager::StopSyncing(syncer::ModelType type) { |
| NOTIMPLEMENTED(); |
| } |
| |
| syncer::SyncDataList SessionsSyncManager::GetAllSyncData( |
| syncer::ModelType type) const { |
| NOTIMPLEMENTED(); |
| return syncer::SyncDataList(); |
| } |
| |
| syncer::SyncError SessionsSyncManager::ProcessSyncChanges( |
| const tracked_objects::Location& from_here, |
| const syncer::SyncChangeList& change_list) { |
| if (!sync_processor_.get()) { |
| syncer::SyncError error(FROM_HERE, |
| syncer::SyncError::DATATYPE_ERROR, |
| "Models not yet associated.", |
| syncer::SESSIONS); |
| return error; |
| } |
| |
| for (syncer::SyncChangeList::const_iterator it = change_list.begin(); |
| it != change_list.end(); ++it) { |
| DCHECK(it->IsValid()); |
| DCHECK(it->sync_data().GetSpecifics().has_session()); |
| const sync_pb::SessionSpecifics& session = |
| it->sync_data().GetSpecifics().session(); |
| switch (it->change_type()) { |
| case syncer::SyncChange::ACTION_DELETE: |
| // Deletions are all or nothing (since we only ever delete entire |
| // sessions). Therefore we don't care if it's a tab node or meta node, |
| // and just ensure we've disassociated. |
| if (current_machine_tag() == session.session_tag()) { |
| // Another client has attempted to delete our local data (possibly by |
| // error or a clock is inaccurate). Just ignore the deletion for now |
| // to avoid any possible ping-pong delete/reassociate sequence. |
| LOG(WARNING) << "Local session data deleted. Ignoring until next " |
| << "local navigation event."; |
| } else if (session.has_header()) { |
| // Disassociate only when header node is deleted. For tab node |
| // deletions, the header node will be updated and foreign tab will |
| // get deleted. |
| DisassociateForeignSession(session.session_tag()); |
| } |
| continue; |
| case syncer::SyncChange::ACTION_ADD: |
| case syncer::SyncChange::ACTION_UPDATE: |
| if (current_machine_tag() == session.session_tag()) { |
| // We should only ever receive a change to our own machine's session |
| // info if encryption was turned on. In that case, the data is still |
| // the same, so we can ignore. |
| LOG(WARNING) << "Dropping modification to local session."; |
| return syncer::SyncError(); |
| } |
| UpdateTrackerWithForeignSession( |
| session, it->sync_data().GetRemoteModifiedTime()); |
| break; |
| default: |
| NOTREACHED() << "Processing sync changes failed, unknown change type."; |
| } |
| } |
| |
| content::NotificationService::current()->Notify( |
| chrome::NOTIFICATION_FOREIGN_SESSION_UPDATED, |
| content::Source<Profile>(profile_), |
| content::NotificationService::NoDetails()); |
| return syncer::SyncError(); |
| } |
| |
| syncer::SyncChange SessionsSyncManager::TombstoneTab( |
| const sync_pb::SessionSpecifics& tab) { |
| if (!tab.has_tab_node_id()) { |
| LOG(WARNING) << "Old sessions node without tab node id; can't tombstone."; |
| return syncer::SyncChange(); |
| } else { |
| return syncer::SyncChange( |
| FROM_HERE, |
| SyncChange::ACTION_DELETE, |
| SyncData::CreateLocalDelete( |
| TabNodePool2::TabIdToTag(current_machine_tag(), |
| tab.tab_node_id()), |
| syncer::SESSIONS)); |
| } |
| } |
| |
| bool SessionsSyncManager::GetAllForeignSessions( |
| std::vector<const SyncedSession*>* sessions) { |
| return session_tracker_.LookupAllForeignSessions(sessions); |
| } |
| |
| bool SessionsSyncManager::InitFromSyncModel( |
| const syncer::SyncDataList& sync_data, |
| syncer::SyncChangeList* new_changes) { |
| bool found_current_header = false; |
| for (syncer::SyncDataList::const_iterator it = sync_data.begin(); |
| it != sync_data.end(); |
| ++it) { |
| const syncer::SyncData& data = *it; |
| DCHECK(data.GetSpecifics().has_session()); |
| const sync_pb::SessionSpecifics& specifics = data.GetSpecifics().session(); |
| if (specifics.session_tag().empty() || |
| (specifics.has_tab() && (!specifics.has_tab_node_id() || |
| !specifics.tab().has_tab_id()))) { |
| syncer::SyncChange tombstone(TombstoneTab(specifics)); |
| if (tombstone.IsValid()) |
| new_changes->push_back(tombstone); |
| } else if (specifics.session_tag() != current_machine_tag()) { |
| UpdateTrackerWithForeignSession(specifics, data.GetRemoteModifiedTime()); |
| } else { |
| // This is previously stored local session information. |
| if (specifics.has_header() && !found_current_header) { |
| // This is our previous header node, reuse it. |
| found_current_header = true; |
| if (specifics.header().has_client_name()) |
| current_session_name_ = specifics.header().client_name(); |
| } else { |
| if (specifics.has_header() || !specifics.has_tab()) { |
| LOG(WARNING) << "Found more than one session header node with local " |
| << "tag."; |
| syncer::SyncChange tombstone(TombstoneTab(specifics)); |
| if (tombstone.IsValid()) |
| new_changes->push_back(tombstone); |
| } else { |
| // This is a valid old tab node, add it to the pool so it can be |
| // reused for reassociation. |
| local_tab_pool_.AddTabNode(specifics.tab_node_id()); |
| } |
| } |
| } |
| } |
| return found_current_header; |
| } |
| |
| void SessionsSyncManager::UpdateTrackerWithForeignSession( |
| const sync_pb::SessionSpecifics& specifics, |
| const base::Time& modification_time) { |
| std::string foreign_session_tag = specifics.session_tag(); |
| DCHECK_NE(foreign_session_tag, current_machine_tag()); |
| |
| SyncedSession* foreign_session = |
| session_tracker_.GetSession(foreign_session_tag); |
| if (specifics.has_header()) { |
| // Read in the header data for this foreign session. |
| // Header data contains window information and ordered tab id's for each |
| // window. |
| |
| // Load (or create) the SyncedSession object for this client. |
| const sync_pb::SessionHeader& header = specifics.header(); |
| PopulateSessionHeaderFromSpecifics(header, |
| modification_time, |
| foreign_session); |
| |
| // Reset the tab/window tracking for this session (must do this before |
| // we start calling PutWindowInSession and PutTabInWindow so that all |
| // unused tabs/windows get cleared by the CleanupSession(...) call). |
| session_tracker_.ResetSessionTracking(foreign_session_tag); |
| |
| // Process all the windows and their tab information. |
| int num_windows = header.window_size(); |
| DVLOG(1) << "Associating " << foreign_session_tag << " with " |
| << num_windows << " windows."; |
| |
| for (int i = 0; i < num_windows; ++i) { |
| const sync_pb::SessionWindow& window_s = header.window(i); |
| SessionID::id_type window_id = window_s.window_id(); |
| session_tracker_.PutWindowInSession(foreign_session_tag, |
| window_id); |
| BuildSyncedSessionFromSpecifics(foreign_session_tag, |
| window_s, |
| modification_time, |
| foreign_session->windows[window_id]); |
| } |
| // Delete any closed windows and unused tabs as necessary. |
| session_tracker_.CleanupSession(foreign_session_tag); |
| } else if (specifics.has_tab()) { |
| const sync_pb::SessionTab& tab_s = specifics.tab(); |
| SessionID::id_type tab_id = tab_s.tab_id(); |
| SessionTab* tab = |
| session_tracker_.GetTab(foreign_session_tag, |
| tab_id, |
| specifics.tab_node_id()); |
| |
| // Update SessionTab based on protobuf. |
| tab->SetFromSyncData(tab_s, modification_time); |
| |
| // If a favicon or favicon urls are present, load the URLs and visit |
| // times into the in-memory favicon cache. |
| RefreshFaviconVisitTimesFromForeignTab(tab_s, modification_time); |
| |
| // Update the last modified time. |
| if (foreign_session->modified_time < modification_time) |
| foreign_session->modified_time = modification_time; |
| } else { |
| LOG(WARNING) << "Ignoring foreign session node with missing header/tab " |
| << "fields and tag " << foreign_session_tag << "."; |
| } |
| } |
| |
| void SessionsSyncManager::InitializeCurrentMachineTag() { |
| DCHECK(current_machine_tag_.empty()); |
| std::string persisted_guid; |
| persisted_guid = sync_prefs_->GetSyncSessionsGUID(); |
| if (!persisted_guid.empty()) { |
| current_machine_tag_ = persisted_guid; |
| DVLOG(1) << "Restoring persisted session sync guid: " << persisted_guid; |
| } else { |
| current_machine_tag_ = BuildMachineTag(delegate_->GetCacheGuid()); |
| DVLOG(1) << "Creating session sync guid: " << current_machine_tag_; |
| sync_prefs_->SetSyncSessionsGUID(current_machine_tag_); |
| } |
| |
| local_tab_pool_.SetMachineTag(current_machine_tag_); |
| } |
| |
| // static |
| void SessionsSyncManager::PopulateSessionHeaderFromSpecifics( |
| const sync_pb::SessionHeader& header_specifics, |
| base::Time mtime, |
| SyncedSession* session_header) { |
| if (header_specifics.has_client_name()) |
| session_header->session_name = header_specifics.client_name(); |
| if (header_specifics.has_device_type()) { |
| switch (header_specifics.device_type()) { |
| case sync_pb::SyncEnums_DeviceType_TYPE_WIN: |
| session_header->device_type = SyncedSession::TYPE_WIN; |
| break; |
| case sync_pb::SyncEnums_DeviceType_TYPE_MAC: |
| session_header->device_type = SyncedSession::TYPE_MACOSX; |
| break; |
| case sync_pb::SyncEnums_DeviceType_TYPE_LINUX: |
| session_header->device_type = SyncedSession::TYPE_LINUX; |
| break; |
| case sync_pb::SyncEnums_DeviceType_TYPE_CROS: |
| session_header->device_type = SyncedSession::TYPE_CHROMEOS; |
| break; |
| case sync_pb::SyncEnums_DeviceType_TYPE_PHONE: |
| session_header->device_type = SyncedSession::TYPE_PHONE; |
| break; |
| case sync_pb::SyncEnums_DeviceType_TYPE_TABLET: |
| session_header->device_type = SyncedSession::TYPE_TABLET; |
| break; |
| case sync_pb::SyncEnums_DeviceType_TYPE_OTHER: |
| // Intentionally fall-through |
| default: |
| session_header->device_type = SyncedSession::TYPE_OTHER; |
| break; |
| } |
| } |
| session_header->modified_time = mtime; |
| } |
| |
| // static |
| void SessionsSyncManager::BuildSyncedSessionFromSpecifics( |
| const std::string& session_tag, |
| const sync_pb::SessionWindow& specifics, |
| base::Time mtime, |
| SessionWindow* session_window) { |
| if (specifics.has_window_id()) |
| session_window->window_id.set_id(specifics.window_id()); |
| if (specifics.has_selected_tab_index()) |
| session_window->selected_tab_index = specifics.selected_tab_index(); |
| if (specifics.has_browser_type()) { |
| if (specifics.browser_type() == |
| sync_pb::SessionWindow_BrowserType_TYPE_TABBED) { |
| session_window->type = 1; |
| } else { |
| session_window->type = 2; |
| } |
| } |
| session_window->timestamp = mtime; |
| session_window->tabs.resize(specifics.tab_size(), NULL); |
| for (int i = 0; i < specifics.tab_size(); i++) { |
| SessionID::id_type tab_id = specifics.tab(i); |
| session_tracker_.PutTabInWindow(session_tag, |
| session_window->window_id.id(), |
| tab_id, |
| i); |
| } |
| } |
| |
| void SessionsSyncManager::RefreshFaviconVisitTimesFromForeignTab( |
| const sync_pb::SessionTab& tab, const base::Time& modification_time) { |
| // First go through and iterate over all the navigations, checking if any |
| // have valid favicon urls. |
| for (int i = 0; i < tab.navigation_size(); ++i) { |
| if (!tab.navigation(i).favicon_url().empty()) { |
| const std::string& page_url = tab.navigation(i).virtual_url(); |
| const std::string& favicon_url = tab.navigation(i).favicon_url(); |
| favicon_cache_.OnReceivedSyncFavicon(GURL(page_url), |
| GURL(favicon_url), |
| std::string(), |
| syncer::TimeToProtoTime( |
| modification_time)); |
| } |
| } |
| } |
| |
| bool SessionsSyncManager::GetSyncedFaviconForPageURL( |
| const std::string& page_url, |
| scoped_refptr<base::RefCountedMemory>* favicon_png) const { |
| return favicon_cache_.GetSyncedFaviconForPageURL(GURL(page_url), favicon_png); |
| } |
| |
| void SessionsSyncManager::DeleteForeignSession( |
| const std::string& tag, syncer::SyncChangeList* change_output) { |
| if (tag == current_machine_tag()) { |
| LOG(ERROR) << "Attempting to delete local session. This is not currently " |
| << "supported."; |
| return; |
| } |
| |
| std::set<int> tab_node_ids_to_delete; |
| session_tracker_.LookupTabNodeIds(tag, &tab_node_ids_to_delete); |
| if (!DisassociateForeignSession(tag)) { |
| // We don't have any data for this session, our work here is done! |
| return; |
| } |
| |
| // Prepare deletes for the meta-node as well as individual tab nodes. |
| change_output->push_back(syncer::SyncChange( |
| FROM_HERE, |
| SyncChange::ACTION_DELETE, |
| SyncData::CreateLocalDelete(tag, syncer::SESSIONS))); |
| |
| for (std::set<int>::const_iterator it = tab_node_ids_to_delete.begin(); |
| it != tab_node_ids_to_delete.end(); |
| ++it) { |
| change_output->push_back(syncer::SyncChange( |
| FROM_HERE, |
| SyncChange::ACTION_DELETE, |
| SyncData::CreateLocalDelete(TabNodePool2::TabIdToTag(tag, *it), |
| syncer::SESSIONS))); |
| } |
| } |
| |
| bool SessionsSyncManager::DisassociateForeignSession( |
| const std::string& foreign_session_tag) { |
| if (foreign_session_tag == current_machine_tag()) { |
| DVLOG(1) << "Local session deleted! Doing nothing until a navigation is " |
| << "triggered."; |
| return false; |
| } |
| DVLOG(1) << "Disassociating session " << foreign_session_tag; |
| return session_tracker_.DeleteSession(foreign_session_tag); |
| } |
| |
| // static |
| GURL SessionsSyncManager::GetCurrentVirtualURL( |
| const SyncedTabDelegate& tab_delegate) { |
| const int current_index = tab_delegate.GetCurrentEntryIndex(); |
| const int pending_index = tab_delegate.GetPendingEntryIndex(); |
| const NavigationEntry* current_entry = |
| (current_index == pending_index) ? |
| tab_delegate.GetPendingEntry() : |
| tab_delegate.GetEntryAtIndex(current_index); |
| return current_entry->GetVirtualURL(); |
| } |
| |
| // static |
| GURL SessionsSyncManager::GetCurrentFaviconURL( |
| const SyncedTabDelegate& tab_delegate) { |
| const int current_index = tab_delegate.GetCurrentEntryIndex(); |
| const int pending_index = tab_delegate.GetPendingEntryIndex(); |
| const NavigationEntry* current_entry = |
| (current_index == pending_index) ? |
| tab_delegate.GetPendingEntry() : |
| tab_delegate.GetEntryAtIndex(current_index); |
| return (current_entry->GetFavicon().valid ? |
| current_entry->GetFavicon().url : |
| GURL()); |
| } |
| |
| void SessionsSyncManager::LocalTabDelegateToSpecifics( |
| const SyncedTabDelegate& tab_delegate, |
| sync_pb::SessionSpecifics* specifics) { |
| SessionTab* session_tab = NULL; |
| session_tab = |
| session_tracker_.GetTab(current_machine_tag(), |
| tab_delegate.GetSessionId(), |
| tab_delegate.GetSyncId()); |
| SetSessionTabFromDelegate(tab_delegate, base::Time::Now(), session_tab); |
| sync_pb::SessionTab tab_s = session_tab->ToSyncData(); |
| specifics->set_session_tag(current_machine_tag_); |
| specifics->set_tab_node_id(tab_delegate.GetSyncId()); |
| specifics->mutable_tab()->CopyFrom(tab_s); |
| } |
| |
| void SessionsSyncManager::UpdateTabIdIfNecessary( |
| const SyncedTabDelegate& tab_delegate, |
| SessionID::id_type new_tab_id, |
| syncer::SyncChangeList* change_output) { |
| DCHECK_NE(tab_delegate.GetSyncId(), TabNodePool2::kInvalidTabNodeID); |
| SessionID::id_type old_tab_id = |
| local_tab_pool_.GetTabIdFromTabNodeId(tab_delegate.GetSyncId()); |
| if (old_tab_id != new_tab_id) { |
| // Rewrite the tab. We don't have a way to get the old |
| // specifics here currently. |
| // TODO(tim): Is this too slow? Should we cache specifics? |
| sync_pb::EntitySpecifics specifics; |
| LocalTabDelegateToSpecifics(tab_delegate, |
| specifics.mutable_session()); |
| |
| // Update tab node pool with the new association. |
| local_tab_pool_.ReassociateTabNode(tab_delegate.GetSyncId(), new_tab_id); |
| syncer::SyncData data = syncer::SyncData::CreateLocalData( |
| TabNodePool2::TabIdToTag(current_machine_tag_, |
| tab_delegate.GetSyncId()), |
| current_session_name_, specifics); |
| change_output->push_back(syncer::SyncChange( |
| FROM_HERE, syncer::SyncChange::ACTION_UPDATE, data)); |
| } |
| } |
| |
| // static. |
| void SessionsSyncManager::SetSessionTabFromDelegate( |
| const SyncedTabDelegate& tab_delegate, |
| base::Time mtime, |
| SessionTab* session_tab) { |
| DCHECK(session_tab); |
| session_tab->window_id.set_id(tab_delegate.GetWindowId()); |
| session_tab->tab_id.set_id(tab_delegate.GetSessionId()); |
| session_tab->tab_visual_index = 0; |
| session_tab->current_navigation_index = tab_delegate.GetCurrentEntryIndex(); |
| session_tab->pinned = tab_delegate.IsPinned(); |
| session_tab->extension_app_id = tab_delegate.GetExtensionAppId(); |
| session_tab->user_agent_override.clear(); |
| session_tab->timestamp = mtime; |
| const int current_index = tab_delegate.GetCurrentEntryIndex(); |
| const int pending_index = tab_delegate.GetPendingEntryIndex(); |
| const int min_index = std::max(0, current_index - kMaxSyncNavigationCount); |
| const int max_index = std::min(current_index + kMaxSyncNavigationCount, |
| tab_delegate.GetEntryCount()); |
| bool is_managed = tab_delegate.ProfileIsManaged(); |
| session_tab->navigations.clear(); |
| |
| #if !defined(OS_ANDROID) |
| // For getting navigation time in network time. |
| NavigationTimeHelper* nav_time_helper = |
| tab_delegate.HasWebContents() ? |
| NavigationTimeHelper::FromWebContents(tab_delegate.GetWebContents()) : |
| NULL; |
| #endif |
| |
| for (int i = min_index; i < max_index; ++i) { |
| const NavigationEntry* entry = (i == pending_index) ? |
| tab_delegate.GetPendingEntry() : tab_delegate.GetEntryAtIndex(i); |
| DCHECK(entry); |
| if (!entry->GetVirtualURL().is_valid()) |
| continue; |
| |
| scoped_ptr<content::NavigationEntry> network_time_entry( |
| content::NavigationEntry::Create(*entry)); |
| #if !defined(OS_ANDROID) |
| if (nav_time_helper) { |
| network_time_entry->SetTimestamp( |
| nav_time_helper->GetNavigationTime(entry)); |
| } |
| #endif |
| |
| session_tab->navigations.push_back( |
| SerializedNavigationEntry::FromNavigationEntry(i, *network_time_entry)); |
| if (is_managed) { |
| session_tab->navigations.back().set_blocked_state( |
| SerializedNavigationEntry::STATE_ALLOWED); |
| } |
| } |
| |
| if (is_managed) { |
| const std::vector<const NavigationEntry*>& blocked_navigations = |
| *tab_delegate.GetBlockedNavigations(); |
| int offset = session_tab->navigations.size(); |
| for (size_t i = 0; i < blocked_navigations.size(); ++i) { |
| session_tab->navigations.push_back( |
| SerializedNavigationEntry::FromNavigationEntry( |
| i + offset, *blocked_navigations[i])); |
| session_tab->navigations.back().set_blocked_state( |
| SerializedNavigationEntry::STATE_BLOCKED); |
| // TODO(bauerb): Add categories |
| } |
| } |
| session_tab->session_storage_persistent_id.clear(); |
| } |
| |
| }; // namespace browser_sync |