| // Copyright 2020 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. |
| |
| #ifndef CHROME_BROWSER_CHROMEOS_PHONEHUB_BROWSER_TABS_MODEL_PROVIDER_IMPL_H_ |
| #define CHROME_BROWSER_CHROMEOS_PHONEHUB_BROWSER_TABS_MODEL_PROVIDER_IMPL_H_ |
| |
| #include <ostream> |
| |
| #include "base/callback_list.h" |
| #include "base/memory/weak_ptr.h" |
| #include "chromeos/components/phonehub/browser_tabs_metadata_fetcher.h" |
| #include "chromeos/components/phonehub/browser_tabs_model_provider.h" |
| #include "chromeos/services/multidevice_setup/public/cpp/multidevice_setup_client.h" |
| |
| namespace sync_sessions { |
| class SessionSyncService; |
| } // namespace sync_sessions |
| |
| namespace syncer { |
| class SyncService; |
| } // namespace syncer |
| |
| namespace chromeos { |
| namespace phonehub { |
| |
| // Gets the browser tab model info by finding a SyncedSession (provided lazily |
| // by a SessionService) with a |session_name| that matches the |pii_free_name| |
| // of the phone provided by a MultiDeviceSetupClient. If sync is enabled, the |
| // class uses a BrowserTabsMetadataFetcher to actually fetch the browser tab |
| // metadata once it finds the correct SyncedSession. |
| // |
| // Uses a SyncService in TriggerRefresh() to manually request updates for the |
| // latest SyncedSessions. If updated SyncSessions exist on the server, all |
| // SessionSyncService subscriptions will be updated almost immediately, instead |
| // of being lazily updated and eventually consistent with the latest browser tab |
| // info on the server. |
| class BrowserTabsModelProviderImpl |
| : public BrowserTabsModelProvider, |
| public multidevice_setup::MultiDeviceSetupClient::Observer { |
| public: |
| BrowserTabsModelProviderImpl( |
| multidevice_setup::MultiDeviceSetupClient* multidevice_setup_client, |
| syncer::SyncService* sync_service, |
| sync_sessions::SessionSyncService* session_sync_service, |
| std::unique_ptr<BrowserTabsMetadataFetcher> |
| browser_tabs_metadata_fetcher); |
| ~BrowserTabsModelProviderImpl() override; |
| |
| // BrowserTabsModelProvider: |
| void TriggerRefresh() override; |
| |
| private: |
| friend class BrowserTabsModelProviderImplTest; |
| |
| // multidevice_setup::MultiDeviceSetupClient::Observer: |
| void OnHostStatusChanged( |
| const multidevice_setup::MultiDeviceSetupClient::HostStatusWithDevice& |
| host_device_with_status) override; |
| |
| void AttemptBrowserTabsModelUpdate(); |
| void InvalidateWeakPtrsAndClearTabMetadata(bool is_tab_sync_enabled); |
| void OnMetadataFetched( |
| base::Optional<std::vector<BrowserTabsModel::BrowserTabMetadata>> |
| metadata); |
| base::Optional<std::string> GetSessionName() const; |
| |
| multidevice_setup::MultiDeviceSetupClient* multidevice_setup_client_; |
| syncer::SyncService* sync_service_; |
| sync_sessions::SessionSyncService* session_sync_service_; |
| std::unique_ptr<BrowserTabsMetadataFetcher> browser_tabs_metadata_fetcher_; |
| base::CallbackListSubscription session_updated_subscription_; |
| |
| base::WeakPtrFactory<BrowserTabsModelProviderImpl> weak_ptr_factory_{this}; |
| }; |
| |
| } // namespace phonehub |
| } // namespace chromeos |
| |
| #endif // CHROME_BROWSER_CHROMEOS_PHONEHUB_BROWSER_TABS_MODEL_PROVIDER_IMPL_H_ |