Sync ui/events to chromium @ https://codereview.chromium.org/1210203002

ui/events/ozone/evdev/input_device_factory_evdev_proxy.h

+// 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 UI_EVENTS_OZONE_EVDEV_INPUT_DEVICE_FACTORY_PROXY_EVDEV_H_
+#define UI_EVENTS_OZONE_EVDEV_INPUT_DEVICE_FACTORY_PROXY_EVDEV_H_
+
+#include <set>
+#include <vector>
+
+#include "base/compiler_specific.h"
+#include "base/files/file_path.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/weak_ptr.h"
+#include "base/single_thread_task_runner.h"
+#include "ui/events/ozone/evdev/events_ozone_evdev_export.h"
+
+namespace ui {
+
+enum class DomCode;
+class InputDeviceFactoryEvdev;
+struct InputDeviceSettingsEvdev;
+
+typedef base::Callback<void(scoped_ptr<std::string>)> GetTouchDeviceStatusReply;
+typedef base::Callback<void(scoped_ptr<std::vector<base::FilePath>>)>
+    GetTouchEventLogReply;
+
+// Thread safe proxy for InputDeviceFactoryEvdev.
+//
+// This is used on the UI thread to proxy calls to the real object on
+// the device I/O thread.
+class EVENTS_OZONE_EVDEV_EXPORT InputDeviceFactoryEvdevProxy {
+ public:
+  InputDeviceFactoryEvdevProxy(
+      scoped_refptr<base::SingleThreadTaskRunner> task_runner,
+      base::WeakPtr<InputDeviceFactoryEvdev> input_device_factory);
+  ~InputDeviceFactoryEvdevProxy();
+
+  // See InputDeviceFactoryEvdev for docs. These calls simply forward to
+  // that object on another thread.
+  void AddInputDevice(int id, const base::FilePath& path);
+  void RemoveInputDevice(const base::FilePath& path);
+  void OnStartupScanComplete();
+  void SetCapsLockLed(bool enabled);
+  void UpdateInputDeviceSettings(const InputDeviceSettingsEvdev& settings);
+  void GetTouchDeviceStatus(const GetTouchDeviceStatusReply& reply);
+  void GetTouchEventLog(const base::FilePath& out_dir,
+                        const GetTouchEventLogReply& reply);
+
+ private:
+  scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
+  base::WeakPtr<InputDeviceFactoryEvdev> input_device_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(InputDeviceFactoryEvdevProxy);
+};
+
+}  // namespace ui
+
+#endif  // UI_EVENTS_OZONE_EVDEV_INPUT_DEVICE_FACTORY_PROXY_EVDEV_H_