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// Copyright 2013 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 CHROMEOS_DBUS_BLUETOOTH_INPUT_CLIENT_H_
#define CHROMEOS_DBUS_BLUETOOTH_INPUT_CLIENT_H_
#include <string>
#include <vector>
#include "base/callback.h"
#include "base/observer_list.h"
#include "chromeos/chromeos_export.h"
#include "chromeos/dbus/dbus_client.h"
#include "dbus/object_path.h"
#include "dbus/property.h"
namespace chromeos {
// BluetoothInputClient is used to communicate with objects representing
// Bluetooth Input (HID) devices.
class CHROMEOS_EXPORT BluetoothInputClient : public DBusClient {
public:
// Structure of properties associated with bluetooth input devices.
struct Properties : public dbus::PropertySet {
// The Bluetooth input device reconnect mode. Read-only.
dbus::Property<std::string> reconnect_mode;
Properties(dbus::ObjectProxy* object_proxy,
const std::string& interface_name,
const PropertyChangedCallback& callback);
virtual ~Properties();
};
// Interface for observing changes from a remote bluetooth input device.
class Observer {
public:
virtual ~Observer() {}
// Called when the remote device with object path |object_path| implementing
// the Input interface is added to the set of known devices or an already
// known device implements the Input interface.
virtual void InputAdded(const dbus::ObjectPath& object_path) {}
// Called when the remote device with object path |object_path| is removed
// from the set of known devices or does not implement the Input interface
// anymore.
virtual void InputRemoved(const dbus::ObjectPath& object_path) {}
// Called when the device with object path |object_path| has a
// change in value of the property named |property_name| of its Input
// interface.
virtual void InputPropertyChanged(const dbus::ObjectPath& object_path,
const std::string& property_name) {}
};
virtual ~BluetoothInputClient();
// Adds and removes observers for events on all remote bluetooth input
// devices. Check the |object_path| parameter of observer methods to
// determine which device is issuing the event.
virtual void AddObserver(Observer* observer) = 0;
virtual void RemoveObserver(Observer* observer) = 0;
// Obtain the properties for the device with object path |object_path|,
// any values should be copied if needed.
virtual Properties* GetProperties(const dbus::ObjectPath& object_path) = 0;
// Creates the instance.
static BluetoothInputClient* Create();
protected:
BluetoothInputClient();
private:
DISALLOW_COPY_AND_ASSIGN(BluetoothInputClient);
};
} // namespace chromeos
#endif // CHROMEOS_DBUS_BLUETOOTH_INPUT_CLIENT_H_
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