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1 // Copyright 2016 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 ASH_COMMON_METRICS_TASK_SWITCH_SOURCE_H_ | |
6 #define ASH_COMMON_METRICS_TASK_SWITCH_SOURCE_H_ | |
7 | |
8 namespace ash { | |
9 | |
10 // Enumeration of the different user interfaces that could be the source of | |
11 // a task switch. Note this is not necessarily comprehensive of all sources. | |
12 enum class TaskSwitchSource { | |
13 // Task switches caused by any two sources in this enum. NOTE: This value | |
14 // should NOT be used outside of TaskSwitchMetricsRecorder. | |
15 ANY, | |
16 // Task switches caused by the user activating a task window by clicking or | |
17 // tapping on it. | |
18 DESKTOP, | |
19 // Task switches caused by selecting a window from overview mode which is | |
20 // different from the previously-active window. | |
21 OVERVIEW_MODE, | |
22 // All task switches caused by shelf buttons, not including sub-menus. | |
23 SHELF, | |
24 // Task switches caused by the WindowCycleController (ie Alt+Tab). | |
25 WINDOW_CYCLE_CONTROLLER | |
26 }; | |
27 | |
28 } // namespace ash | |
29 | |
30 #endif // ASH_COMMON_METRICS_TASK_SWITCH_SOURCE_H_ | |
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