| // 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. |
| |
| #ifndef UI_EVENTS_BASE_EVENT_UTILS_H_ |
| #define UI_EVENTS_BASE_EVENT_UTILS_H_ |
| |
| #include "base/basictypes.h" |
| #include "ui/events/events_base_export.h" |
| |
| // Common functions to be used for all platforms. |
| namespace ui { |
| |
| // Generate an unique identifier for events. |
| EVENTS_BASE_EXPORT uint32 GetNextTouchEventId(); |
| |
| // Checks if |flags| contains system key modifiers. |
| EVENTS_BASE_EXPORT bool IsSystemKeyModifier(int flags); |
| |
| #if defined(OS_CHROMEOS) |
| // Sets the status of touch events to |enabled| on ChromeOS only. Non-ChromeOS |
| // platforms depend on the state of the |kTouchEvents| flags. |
| EVENTS_BASE_EXPORT void SetTouchEventsEnabled(bool enabled); |
| #endif // defined(OS_CHROMEOS) |
| |
| // Returns true if the touch events are enabled. On non-ChromeOS platforms, this |
| // depends on the state of the |kTouchEvents| flags. |
| EVENTS_BASE_EXPORT bool AreTouchEventsEnabled(); |
| |
| } // namespace ui |
| |
| #endif // UI_EVENTS_BASE_EVENT_UTILS_H_ |
