blob: 60cbd02cd7f620f390a738f1420c2b76a3c12675 [file] [log] [blame]
// Copyright 2018 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 <string>
#include <unordered_set>
#include "chromecast/browser/bluetooth/public/mojom/web_bluetooth.mojom.h"
#include "content/public/browser/bluetooth_chooser.h"
#include "mojo/public/cpp/bindings/binding.h"
#include "mojo/public/cpp/bindings/interface_request.h"
namespace chromecast {
// This class requests access from a remote BluetoothDeviceAccessProvider
// implemented by the Activity's host. The host will update this client with
// whitelisted devices via GrantAccess(). Meanwhile, the WebBluetooth stack will
// add devices that match the application's filter via AddOrUpdateDevice(). The
// first device which matches both will be selected.
class CastBluetoothChooser : public content::BluetoothChooser,
public mojom::BluetoothDeviceAccessProviderClient {
// |event_handler| is called when an approved device is discovered, or when
// the |provider| destroys the connection to this client. |this| may destroy
// |provider| immediately after requesting access.
CastBluetoothChooser(content::BluetoothChooser::EventHandler event_handler,
mojom::BluetoothDeviceAccessProviderPtr provider);
~CastBluetoothChooser() override;
// mojom::BluetoothDeviceAccessProviderClient implementation:
void GrantAccess(const std::string& address) override;
void GrantAccessToAllDevices() override;
// content::BluetoothChooser implementation:
void AddOrUpdateDevice(const std::string& device_id,
bool should_update_name,
const base::string16& device_name,
bool is_gatt_connected,
bool is_paired,
int signal_strength_level) override;
// Runs the event_handler and resets the client binding. After this is called,
// this class should not be used.
void RunEventHandlerAndResetBinding(content::BluetoothChooser::Event event,
std::string address);
// Called when the remote connection held by |binding_| is torn down.
void OnClientConnectionError();
content::BluetoothChooser::EventHandler event_handler_;
mojo::Binding<mojom::BluetoothDeviceAccessProviderClient> binding_;
std::unordered_set<std::string> available_devices_;
std::unordered_set<std::string> approved_devices_;
bool all_devices_approved_ = false;
} // namespace chromecast