blob: a84651deafa8a5a5b35da7b5dfaf14a898c77b1f [file] [log] [blame]
// Copyright 2016 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 SERVICES_UI_INPUT_DEVICES_INPUT_DEVICE_SERVER_H_
#define SERVICES_UI_INPUT_DEVICES_INPUT_DEVICE_SERVER_H_
#include "base/macros.h"
#include "mojo/public/cpp/bindings/binding_set.h"
#include "mojo/public/cpp/bindings/interface_ptr_set.h"
#include "services/service_manager/public/cpp/connection.h"
#include "services/service_manager/public/cpp/interface_factory.h"
#include "services/ui/public/interfaces/input_devices/input_device_server.mojom.h"
#include "ui/events/devices/device_data_manager.h"
#include "ui/events/devices/input_device_event_observer.h"
namespace service_manager {
class InterfaceRegistry;
}
namespace ui {
// Listens to DeviceDataManager for updates on input-devices and forwards those
// updates to any registered InputDeviceObserverMojo in other processes via
// Mojo IPC. This runs in the mus-ws process.
class InputDeviceServer
: public service_manager::InterfaceFactory<mojom::InputDeviceServer>,
public mojom::InputDeviceServer,
public ui::InputDeviceEventObserver {
public:
InputDeviceServer();
~InputDeviceServer() override;
// Registers this instance as a local observer with DeviceDataManager.
void RegisterAsObserver();
bool IsRegisteredAsObserver() const;
// Adds interface with the connection registry so remote observers can
// connect. You should have already called RegisterAsObserver() to get local
// input-device event updates and checked it was successful by calling
// IsRegisteredAsObserver().
void AddInterface(service_manager::InterfaceRegistry* registry);
// mojom::InputDeviceServer:
void AddObserver(mojom::InputDeviceObserverMojoPtr observer) override;
// ui::InputDeviceEventObserver:
void OnKeyboardDeviceConfigurationChanged() override;
void OnTouchscreenDeviceConfigurationChanged() override;
void OnMouseDeviceConfigurationChanged() override;
void OnTouchpadDeviceConfigurationChanged() override;
void OnDeviceListsComplete() override;
void OnStylusStateChanged(StylusState state) override;
private:
// Sends the current state of all input-devices to an observer.
void SendDeviceListsComplete(mojom::InputDeviceObserverMojo* observer);
// mojo::InterfaceFactory<mojom::InputDeviceServer>:
void Create(const service_manager::Identity& remote_identity,
mojom::InputDeviceServerRequest request) override;
mojo::BindingSet<mojom::InputDeviceServer> bindings_;
mojo::InterfacePtrSet<mojom::InputDeviceObserverMojo> observers_;
// DeviceDataManager instance we are registered as an observer with.
ui::DeviceDataManager* manager_ = nullptr;
DISALLOW_COPY_AND_ASSIGN(InputDeviceServer);
};
} // namespace ui
#endif // SERVICES_UI_INPUT_DEVICES_INPUT_DEVICE_SERVER_H_