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// Copyright 2014 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 CONTENT_BROWSER_BLUETOOTH_BLUETOOTH_DISPATCHER_HOST_H_
#define CONTENT_BROWSER_BLUETOOTH_BLUETOOTH_DISPATCHER_HOST_H_
#include "base/basictypes.h"
#include "base/memory/weak_ptr.h"
#include "content/common/bluetooth/bluetooth_error.h"
#include "content/public/browser/browser_message_filter.h"
#include "device/bluetooth/bluetooth_adapter.h"
namespace content {
// Dispatches and sends bluetooth related messages sent to/from a child
// process BluetoothDispatcher from/to the main browser process.
//
// Intended to be instantiated by the RenderProcessHost and installed as
// a filter on the channel. BrowserMessageFilter is refcounted and typically
// lives as long as it is installed on a channel.
//
// UI Thread Note:
// BluetoothDispatcherHost is constructed, operates, and destroyed on the UI
// thread because BluetoothAdapter and related objects live there.
class CONTENT_EXPORT BluetoothDispatcherHost final
: public BrowserMessageFilter,
public device::BluetoothAdapter::Observer {
public:
BluetoothDispatcherHost();
// BrowserMessageFilter:
void OnDestruct() const override;
void OverrideThreadForMessage(const IPC::Message& message,
BrowserThread::ID* thread) override;
bool OnMessageReceived(const IPC::Message& message) override;
void SetBluetoothAdapterForTesting(
scoped_refptr<device::BluetoothAdapter> mock_adapter);
protected:
~BluetoothDispatcherHost() override;
private:
friend class base::DeleteHelper<BluetoothDispatcherHost>;
friend struct BrowserThread::DeleteOnThread<BrowserThread::UI>;
// Set |adapter_| to a BluetoothAdapter instance and register observers,
// releasing references to previous |adapter_|.
void set_adapter(scoped_refptr<device::BluetoothAdapter> adapter);
// IPC Handlers, see definitions in bluetooth_messages.h.
void OnRequestDevice(int thread_id, int request_id);
void OnConnectGATT(int thread_id, int request_id,
const std::string& device_instance_id);
// Callbacks for BluetoothAdapter::StartDiscoverySession.
void OnDiscoverySessionStarted(
int thread_id,
int request_id,
scoped_ptr<device::BluetoothDiscoverySession> discovery_session);
void OnDiscoverySessionStartedError(int thread_id, int request_id);
// Stop in progress discovery session.
void StopDiscoverySession(
int thread_id,
int request_id,
scoped_ptr<device::BluetoothDiscoverySession> discovery_session);
// Callbacks for BluetoothDiscoverySession::Stop.
void OnDiscoverySessionStopped(int thread_id, int request_id);
void OnDiscoverySessionStoppedError(int thread_id, int request_id);
// Defines how long to scan for.
int current_scan_time_;
// A BluetoothAdapter instance representing an adapter of the system.
scoped_refptr<device::BluetoothAdapter> adapter_;
// Must be last member, see base/memory/weak_ptr.h documentation
base::WeakPtrFactory<BluetoothDispatcherHost> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(BluetoothDispatcherHost);
};
} // namespace content
#endif // CONTENT_BROWSER_BLUETOOTH_BLUETOOTH_DISPATCHER_HOST_H_
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