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- // 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_
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