// Copyright 2015 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 COMPONENTS_PERMISSIONS_BLUETOOTH_CHOOSER_CONTROLLER_H_ #define COMPONENTS_PERMISSIONS_BLUETOOTH_CHOOSER_CONTROLLER_H_ #include #include #include #include #include #include "base/memory/weak_ptr.h" #include "components/permissions/chooser_controller.h" #include "content/public/browser/bluetooth_chooser.h" namespace content { class RenderFrameHost; } namespace permissions { // BluetoothChooserController is a chooser that presents a list of // Bluetooth device names, which come from |bluetooth_chooser_desktop_|. // It can be used by WebBluetooth API to get the user's permission to // access a Bluetooth device. class BluetoothChooserController : public ChooserController { public: BluetoothChooserController( content::RenderFrameHost* owner, const content::BluetoothChooser::EventHandler& event_handler, std::u16string title); BluetoothChooserController(const BluetoothChooserController&) = delete; BluetoothChooserController& operator=(const BluetoothChooserController&) = delete; ~BluetoothChooserController() override; // ChooserController: bool ShouldShowIconBeforeText() const override; bool ShouldShowReScanButton() const override; std::u16string GetNoOptionsText() const override; std::u16string GetOkButtonLabel() const override; std::pair GetThrobberLabelAndTooltip() const override; size_t NumOptions() const override; int GetSignalStrengthLevel(size_t index) const override; bool IsConnected(size_t index) const override; bool IsPaired(size_t index) const override; std::u16string GetOption(size_t index) const override; void RefreshOptions() override; void Select(const std::vector& indices) override; void Cancel() override; void Close() override; // Update the state of the Bluetooth adapter. void OnAdapterPresenceChanged( content::BluetoothChooser::AdapterPresence presence); // Update the Bluetooth discovery state and let the user know whether // discovery is happening. void OnDiscoveryStateChanged(content::BluetoothChooser::DiscoveryState state); // Shows a new device in the chooser or updates its information. // The range of |signal_strength_level| is -1 to 4 inclusively. void AddOrUpdateDevice(const std::string& device_id, bool should_update_name, const std::u16string& device_name, bool is_gatt_connected, bool is_paired, int signal_strength_level); // Tells the chooser that a device is no longer available. void RemoveDevice(const std::string& device_id); // Called when |event_handler_| is no longer valid and should not be used // any more. void ResetEventHandler(); // Get a weak pointer to this controller. base::WeakPtr GetWeakPtr(); private: struct BluetoothDeviceInfo { std::string id; int signal_strength_level; bool is_connected; bool is_paired; }; // Clears |device_names_and_ids_| and |device_name_counts_|. Called when // Bluetooth adapter is turned on or off, or when re-scan happens. void ClearAllDevices(); std::vector devices_; std::unordered_map device_id_to_name_map_; // Maps from device name to number of devices with that name. std::unordered_map device_name_counts_; content::BluetoothChooser::EventHandler event_handler_; base::WeakPtrFactory weak_factory_{this}; }; } // namespace permissions #endif // COMPONENTS_PERMISSIONS_BLUETOOTH_CHOOSER_CONTROLLER_H_