| // Copyright 2017 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 "components/ukm/observers/sync_disable_observer.h" |
| |
| #include "base/stl_util.h" |
| |
| namespace ukm { |
| |
| SyncDisableObserver::SyncDisableObserver() |
| : sync_observer_(this), all_profiles_enabled_(false) {} |
| |
| SyncDisableObserver::~SyncDisableObserver() {} |
| |
| // static |
| SyncDisableObserver::SyncState SyncDisableObserver::GetSyncState( |
| syncer::SyncService* sync_service) { |
| return SyncDisableObserver::SyncState{ |
| sync_service->GetPreferredDataTypes().Has( |
| syncer::HISTORY_DELETE_DIRECTIVES), |
| sync_service->IsEngineInitialized(), |
| sync_service->IsUsingSecondaryPassphrase(), |
| }; |
| } |
| |
| void SyncDisableObserver::ObserveServiceForSyncDisables( |
| syncer::SyncService* sync_service) { |
| previous_states_[sync_service] = GetSyncState(sync_service); |
| sync_observer_.Add(sync_service); |
| UpdateAllProfileEnabled(false); |
| } |
| |
| void SyncDisableObserver::UpdateAllProfileEnabled(bool must_purge) { |
| bool all_enabled = AreAllProfilesEnabled(); |
| if (must_purge || (all_enabled != all_profiles_enabled_)) { |
| all_profiles_enabled_ = all_enabled; |
| OnSyncPrefsChanged(must_purge); |
| } |
| } |
| |
| bool SyncDisableObserver::AreAllProfilesEnabled() { |
| if (previous_states_.empty()) |
| return false; |
| for (const auto& kv : previous_states_) { |
| const SyncDisableObserver::SyncState& state = kv.second; |
| if (!state.history_enabled || !state.initialized || |
| state.passphrase_protected) |
| return false; |
| } |
| return true; |
| } |
| |
| void SyncDisableObserver::OnStateChanged(syncer::SyncService* sync) { |
| DCHECK(base::ContainsKey(previous_states_, sync)); |
| SyncDisableObserver::SyncState state = GetSyncState(sync); |
| const SyncDisableObserver::SyncState& previous_state = previous_states_[sync]; |
| bool must_purge = |
| // Trigger a purge if history sync was disabled. |
| (previous_state.history_enabled && !state.history_enabled) || |
| // Trigger a purge if the user added a passphrase. Since we can't detect |
| // the use of a passphrase while the engine is not initialized, we may |
| // miss the transition if the user adds a passphrase in this state. |
| (previous_state.initialized && state.initialized && |
| !previous_state.passphrase_protected && state.passphrase_protected); |
| previous_states_[sync] = state; |
| UpdateAllProfileEnabled(must_purge); |
| } |
| |
| void SyncDisableObserver::OnSyncShutdown(syncer::SyncService* sync) { |
| DCHECK(base::ContainsKey(previous_states_, sync)); |
| sync_observer_.Remove(sync); |
| previous_states_.erase(sync); |
| UpdateAllProfileEnabled(false); |
| } |
| |
| bool SyncDisableObserver::IsHistorySyncEnabledOnAllProfiles() { |
| return all_profiles_enabled_; |
| } |
| |
| } // namespace ukm |