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Side by Side Diff: ui/events/base_event_utils.h

Issue 1412623006: Developer Feature: Add Debug Accelerators to Toggle Touchscreen/Touchpad On or Off (CrOS) (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Nits Created 5 years, 1 month ago
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1 // Copyright 2015 The Chromium Authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef UI_EVENTS_BASE_EVENT_UTILS_H_ 5 #ifndef UI_EVENTS_BASE_EVENT_UTILS_H_
6 #define UI_EVENTS_BASE_EVENT_UTILS_H_ 6 #define UI_EVENTS_BASE_EVENT_UTILS_H_
7 7
8 #include "base/basictypes.h" 8 #include "base/basictypes.h"
9 #include "ui/events/events_base_export.h" 9 #include "ui/events/events_base_export.h"
10 10
11 // Common functions to be used for all platforms. 11 // Common functions to be used for all platforms.
12 namespace ui { 12 namespace ui {
13 13
14 // Generate an unique identifier for events. 14 // Generate an unique identifier for events.
15 EVENTS_BASE_EXPORT uint32 GetNextTouchEventId(); 15 EVENTS_BASE_EXPORT uint32 GetNextTouchEventId();
16 16
17 // Checks if |flags| contains system key modifiers. 17 // Checks if |flags| contains system key modifiers.
18 EVENTS_BASE_EXPORT bool IsSystemKeyModifier(int flags); 18 EVENTS_BASE_EXPORT bool IsSystemKeyModifier(int flags);
19 19
20 #if defined(OS_CHROMEOS)
21 // Sets the status of touch events to |enabled| on ChromeOS only. Non-ChromeOS
22 // platforms depend on the state of the |kTouchEvents| flags.
23 EVENTS_BASE_EXPORT void SetTouchEventsEnabled(bool enabled);
24 #endif // defined(OS_CHROMEOS)
25
26 // Returns true if the touch events are enabled. On non-ChromeOS platforms, this
27 // depends on the state of the |kTouchEvents| flags.
28 EVENTS_BASE_EXPORT bool AreTouchEventsEnabled();
29
20 } // namespace ui 30 } // namespace ui
21 31
22 #endif // UI_EVENTS_BASE_EVENT_UTILS_H_ 32 #endif // UI_EVENTS_BASE_EVENT_UTILS_H_
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