| // 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. |
| |
| #ifndef ASH_SYSTEM_BLUETOOTH_TRAY_BLUETOOTH_HELPER_LEGACY_H_ |
| #define ASH_SYSTEM_BLUETOOTH_TRAY_BLUETOOTH_HELPER_LEGACY_H_ |
| |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include "ash/ash_export.h" |
| #include "ash/system/bluetooth/tray_bluetooth_helper.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/time/time.h" |
| #include "device/bluetooth/bluetooth_adapter.h" |
| #include "services/device/public/mojom/bluetooth_system.mojom.h" |
| |
| namespace base { |
| class Time; |
| } // namespace base |
| |
| namespace device { |
| class BluetoothDiscoverySession; |
| } // namespace device |
| |
| namespace ash { |
| |
| // Implementation of TrayBluetoothHelper on top of the //device/bluetooth/ APIs. |
| // Exported for tests. |
| class ASH_EXPORT TrayBluetoothHelperLegacy |
| : public TrayBluetoothHelper, |
| public device::BluetoothAdapter::Observer { |
| public: |
| TrayBluetoothHelperLegacy(); |
| |
| TrayBluetoothHelperLegacy(const TrayBluetoothHelperLegacy&) = delete; |
| TrayBluetoothHelperLegacy& operator=(const TrayBluetoothHelperLegacy&) = |
| delete; |
| |
| ~TrayBluetoothHelperLegacy() override; |
| |
| // Completes initialization after the Bluetooth adapter is ready. |
| void InitializeOnAdapterReady( |
| scoped_refptr<device::BluetoothAdapter> adapter); |
| |
| // TrayBluetoothHelper: |
| void Initialize() override; |
| void StartBluetoothDiscovering() override; |
| void StopBluetoothDiscovering() override; |
| void ConnectToBluetoothDevice(const BluetoothAddress& address) override; |
| device::mojom::BluetoothSystem::State GetBluetoothState() override; |
| void SetBluetoothEnabled(bool enabled) override; |
| bool HasBluetoothDiscoverySession() override; |
| void GetBluetoothDevices(GetBluetoothDevicesCallback callback) const override; |
| |
| // BluetoothAdapter::Observer: |
| void AdapterPresentChanged(device::BluetoothAdapter* adapter, |
| bool present) override; |
| void AdapterPoweredChanged(device::BluetoothAdapter* adapter, |
| bool powered) override; |
| void AdapterDiscoveringChanged(device::BluetoothAdapter* adapter, |
| bool discovering) override; |
| |
| private: |
| void OnStartDiscoverySession( |
| std::unique_ptr<device::BluetoothDiscoverySession> discovery_session); |
| |
| bool should_run_discovery_ = false; |
| scoped_refptr<device::BluetoothAdapter> adapter_; |
| std::unique_ptr<device::BluetoothDiscoverySession> discovery_session_; |
| |
| // AdapterPoweredChanged gets called right after AdapterPresentChanged when an |
| // adapter is added or removed. This causes us to call |
| // Observer::OnBluetoothStateChanged() a second time without the state |
| // actually changing. To avoid this, we cache the state whenever |
| // AdapterPresentChanged and AdapterPoweredChanged get called and only notify |
| // if the new state is different than the cached state. |
| device::mojom::BluetoothSystem::State last_state_ = |
| device::mojom::BluetoothSystem::State::kUnavailable; |
| |
| // The time at which discovery started, effectively when the user opened the |
| // System Tray Bluetooth options with Bluetooth on, or when Bluetooth turned |
| // on while the Bluetooth options were open. |
| base::Time discovery_start_timestamp_; |
| |
| // Object could be deleted during a prolonged Bluetooth operation. |
| base::WeakPtrFactory<TrayBluetoothHelperLegacy> weak_ptr_factory_{this}; |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_SYSTEM_BLUETOOTH_TRAY_BLUETOOTH_HELPER_LEGACY_H_ |