// Copyright 2015 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.

#include "ui/events/ozone/evdev/event_converter_test_util.h"

#include <stdint.h>

#include "base/memory/ptr_util.h"
#include "ui/events/ozone/device/device_manager.h"
#include "ui/events/ozone/evdev/device_event_dispatcher_evdev.h"
#include "ui/events/ozone/evdev/event_factory_evdev.h"
#include "ui/events/platform/platform_event_dispatcher.h"

namespace ui {

namespace {

class TestDeviceManager : public ui::DeviceManager {
 public:
  TestDeviceManager() {}
  ~TestDeviceManager() override {}

  // DeviceManager:
  void ScanDevices(DeviceEventObserver* observer) override {}
  void AddObserver(DeviceEventObserver* observer) override {}
  void RemoveObserver(DeviceEventObserver* observer) override {}
};

class TestDeviceEventDispatcherEvdev : public DeviceEventDispatcherEvdev {
 public:
  TestDeviceEventDispatcherEvdev(EventFactoryEvdev* event_factory_evdev)
      : event_factory_evdev_(event_factory_evdev) {}
  ~TestDeviceEventDispatcherEvdev() override {}

  // DeviceEventDispatcher:

  void DispatchKeyEvent(const KeyEventParams& params) override {
    event_factory_evdev_->DispatchKeyEvent(params);
  }

  void DispatchMouseMoveEvent(const MouseMoveEventParams& params) override {
    event_factory_evdev_->DispatchMouseMoveEvent(params);
  }

  void DispatchMouseButtonEvent(const MouseButtonEventParams& params) override {
    event_factory_evdev_->DispatchMouseButtonEvent(params);
  }

  void DispatchMouseWheelEvent(const MouseWheelEventParams& params) override {
    event_factory_evdev_->DispatchMouseWheelEvent(params);
  }

  void DispatchPinchEvent(const PinchEventParams& params) override {
    event_factory_evdev_->DispatchPinchEvent(params);
  }

  void DispatchScrollEvent(const ScrollEventParams& params) override {
    event_factory_evdev_->DispatchScrollEvent(params);
  }

  void DispatchTouchEvent(const TouchEventParams& params) override {
    event_factory_evdev_->DispatchTouchEvent(params);
  }

  void DispatchKeyboardDevicesUpdated(
      const std::vector<InputDevice>& devices) override {
    event_factory_evdev_->DispatchKeyboardDevicesUpdated(devices);
  }
  void DispatchTouchscreenDevicesUpdated(
      const std::vector<TouchscreenDevice>& devices) override {
    event_factory_evdev_->DispatchTouchscreenDevicesUpdated(devices);
  }
  void DispatchMouseDevicesUpdated(
      const std::vector<InputDevice>& devices) override {
    event_factory_evdev_->DispatchMouseDevicesUpdated(devices);
  }
  void DispatchTouchpadDevicesUpdated(
      const std::vector<InputDevice>& devices) override {
    event_factory_evdev_->DispatchTouchpadDevicesUpdated(devices);
  }
  void DispatchDeviceListsComplete() override {
    event_factory_evdev_->DispatchDeviceListsComplete();
  }
  void DispatchStylusStateChanged(StylusState stylus_state) override {
    event_factory_evdev_->DispatchStylusStateChanged(stylus_state);
  }

  void DispatchGamepadEvent(const GamepadEvent& event) override {
    event_factory_evdev_->DispatchGamepadEvent(event);
  }

  void DispatchGamepadDevicesUpdated(
      const std::vector<InputDevice>& devices) override {
    event_factory_evdev_->DispatchGamepadDevicesUpdated(devices);
  }

 private:
  EventFactoryEvdev* event_factory_evdev_;
};

class TestEventFactoryEvdev : public EventFactoryEvdev {
 public:
  TestEventFactoryEvdev(CursorDelegateEvdev* cursor,
                        DeviceManager* device_manager,
                        KeyboardLayoutEngine* keyboard_layout_engine,
                        const EventDispatchCallback& callback)
      : EventFactoryEvdev(cursor, device_manager, keyboard_layout_engine),
        callback_(callback) {}
  ~TestEventFactoryEvdev() override {}

 private:
  uint32_t DispatchEvent(PlatformEvent platform_event) override {
    Event* event = static_cast<Event*>(platform_event);
    callback_.Run(event);
    return POST_DISPATCH_NONE;
  }

  EventDispatchCallback callback_;
};

}  // namespace

std::unique_ptr<DeviceEventDispatcherEvdev>
CreateDeviceEventDispatcherEvdevForTest(EventFactoryEvdev* event_factory) {
  return std::make_unique<TestDeviceEventDispatcherEvdev>(event_factory);
}

std::unique_ptr<DeviceManager> CreateDeviceManagerForTest() {
  return std::make_unique<TestDeviceManager>();
}

std::unique_ptr<EventFactoryEvdev> CreateEventFactoryEvdevForTest(
    CursorDelegateEvdev* cursor,
    DeviceManager* device_manager,
    KeyboardLayoutEngine* keyboard_layout_engine,
    const EventDispatchCallback& callback) {
  return std::make_unique<TestEventFactoryEvdev>(
      cursor, device_manager, keyboard_layout_engine, callback);
}

}  // namespace ui
