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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 CHROME_BROWSER_UI_VIEWS_APP_LIST_WIN_ACTIVATION_TRACKER_WIN_H_ | 5 #ifndef CHROME_BROWSER_UI_VIEWS_APP_LIST_WIN_ACTIVATION_TRACKER_WIN_H_ |
6 #define CHROME_BROWSER_UI_VIEWS_APP_LIST_WIN_ACTIVATION_TRACKER_WIN_H_ | 6 #define CHROME_BROWSER_UI_VIEWS_APP_LIST_WIN_ACTIVATION_TRACKER_WIN_H_ |
7 | 7 |
8 #include "base/macros.h" | 8 #include "base/macros.h" |
9 #include "base/timer/timer.h" | 9 #include "base/timer/timer.h" |
10 #include "ui/app_list/views/app_list_view_observer.h" | 10 #include "ui/app_list/views/app_list_view_observer.h" |
11 | 11 |
12 class AppListServiceWin; | 12 class AppListServiceWin; |
13 | 13 |
14 // Periodically checks to see if an AppListView has lost focus using a timer. | 14 // Periodically checks to see if an AppListView has lost focus using a timer. |
15 class ActivationTrackerWin : public app_list::AppListViewObserver { | 15 class ActivationTrackerWin : public app_list::AppListViewObserver { |
16 public: | 16 public: |
17 explicit ActivationTrackerWin(AppListServiceWin* service); | 17 explicit ActivationTrackerWin(AppListServiceWin* service); |
18 ~ActivationTrackerWin(); | 18 ~ActivationTrackerWin() override; |
19 | 19 |
20 // app_list::AppListViewObserver: | 20 // app_list::AppListViewObserver: |
21 virtual void OnActivationChanged(views::Widget* widget, bool active) override; | 21 void OnActivationChanged(views::Widget* widget, bool active) override; |
22 | 22 |
23 void OnViewHidden(); | 23 void OnViewHidden(); |
24 | 24 |
25 private: | 25 private: |
26 // Dismisses the app launcher if it has lost focus and the user is not trying | 26 // Dismisses the app launcher if it has lost focus and the user is not trying |
27 // to pin it. | 27 // to pin it. |
28 void MaybeDismissAppList(); | 28 void MaybeDismissAppList(); |
29 | 29 |
30 // Determines whether the app launcher should be dismissed. This should be | 30 // Determines whether the app launcher should be dismissed. This should be |
31 // called at most once per timer tick, as it is not idempotent (if the taskbar | 31 // called at most once per timer tick, as it is not idempotent (if the taskbar |
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44 | 44 |
45 // Timer used to check if the taskbar or app list is active. Using a timer | 45 // Timer used to check if the taskbar or app list is active. Using a timer |
46 // means we don't need to hook Windows, which is apparently not possible | 46 // means we don't need to hook Windows, which is apparently not possible |
47 // since Vista (and is not nice at any time). | 47 // since Vista (and is not nice at any time). |
48 base::RepeatingTimer<ActivationTrackerWin> timer_; | 48 base::RepeatingTimer<ActivationTrackerWin> timer_; |
49 | 49 |
50 DISALLOW_COPY_AND_ASSIGN(ActivationTrackerWin); | 50 DISALLOW_COPY_AND_ASSIGN(ActivationTrackerWin); |
51 }; | 51 }; |
52 | 52 |
53 #endif // CHROME_BROWSER_UI_VIEWS_APP_LIST_WIN_ACTIVATION_TRACKER_WIN_H_ | 53 #endif // CHROME_BROWSER_UI_VIEWS_APP_LIST_WIN_ACTIVATION_TRACKER_WIN_H_ |
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