ui/events/test/device_data_manager_test_api.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef UI_EVENTS_TEST_DEVICE_DATA_MANAGER_TEST_API_H_
   6 #define UI_EVENTS_TEST_DEVICE_DATA_MANAGER_TEST_API_H_
   7
   8 #include "base/macros.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "ui/events/devices/events_devices_export.h"
  11
  12 namespace ui {
  13
  14 class DeviceDataManager;
  15
  16 namespace test {
  17
  18 // Test API class to access internals of the DeviceDataManager class.
  19 class DeviceDataManagerTestAPI {
  20  public:
  21   // Constructs a test api that provides access to the global DeviceDataManager
  22   // instance that is accessible by DeviceDataManager::GetInstance().
  23   DeviceDataManagerTestAPI();
  24
  25   // Will call DeviceDataManager::DeleteInstance() if
  26   // CreateDeviceDataManagerInstance() was used to create a new instance.
  27   ~DeviceDataManagerTestAPI();
  28
  29   // Creates a new ui::DeviceDataManager and sets it as the global instance.
  30   // i.e. It is accessible via ui::DeviceDataManager::GetInstance(). If the
  31   // DeviceDataManager already owns an instance it will be deleted using
  32   // DeviceDataManager::DeleteInstance().
  33   //
  34   // Note: The ui::DeviceDataManager is not available on all platforms, thus
  35   // this returns true when it is possible to instantiate a
  36   // ui::DeviceDataManager instance and false otherwise.
  37   bool CreateDeviceDataManagerInstance();
  38
  39   // Wrapper functions to DeviceDataManager.
  40   void NotifyObserversTouchscreenDeviceConfigurationChanged();
  41   void NotifyObserversKeyboardDeviceConfigurationChanged();
  42   void NotifyObserversMouseDeviceConfigurationChanged();
  43   void NotifyObserversTouchpadDeviceConfigurationChanged();
  44   void NotifyObserversDeviceListsComplete();
  45   void OnDeviceListsComplete();
  46
  47  private:
  48   // Tracks whether DeviceDataManager::DeleteInstance() should be called during
  49   // destruction.
  50   bool should_delete_instance_;
  51
  52   DISALLOW_COPY_AND_ASSIGN(DeviceDataManagerTestAPI);
  53 };
  54
  55 }  // namespace test
  56 }  // namespace ui
  57
  58 #endif  // UI_EVENTS_TEST_DEVICE_DATA_MANAGER_TEST_API_H_