Refactor DBusThreadManager to split away BT clients.

chromeos/dbus/bluetooth_input_client.h

-// 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);
-    ~Properties() override;
-  };
-
-  // 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) {}
-  };
-
-  ~BluetoothInputClient() override;
-
-  // 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_