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1 // Copyright (c) 2011 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 #include "views/focus/widget_focus_manager.h" | |
6 | |
7 #include "base/memory/singleton.h" | |
8 | |
9 namespace views { | |
10 | |
11 // WidgetFocusManager ---------------------------------------------------------- | |
12 | |
13 // static | |
14 WidgetFocusManager* WidgetFocusManager::GetInstance() { | |
15 return Singleton<WidgetFocusManager>::get(); | |
16 } | |
17 | |
18 void WidgetFocusManager::AddFocusChangeListener( | |
19 WidgetFocusChangeListener* listener) { | |
20 focus_change_listeners_.AddObserver(listener); | |
21 } | |
22 | |
23 void WidgetFocusManager::RemoveFocusChangeListener( | |
24 WidgetFocusChangeListener* listener) { | |
25 focus_change_listeners_.RemoveObserver(listener); | |
26 } | |
27 | |
28 void WidgetFocusManager::OnWidgetFocusEvent(gfx::NativeView focused_before, | |
29 gfx::NativeView focused_now) { | |
30 if (enabled_) { | |
31 FOR_EACH_OBSERVER(WidgetFocusChangeListener, focus_change_listeners_, | |
32 OnNativeFocusChange(focused_before, focused_now)); | |
33 } | |
34 } | |
35 | |
36 WidgetFocusManager::WidgetFocusManager() : enabled_(true) {} | |
37 | |
38 WidgetFocusManager::~WidgetFocusManager() {} | |
39 | |
40 // AutoNativeNotificationDisabler ---------------------------------------------- | |
41 | |
42 AutoNativeNotificationDisabler::AutoNativeNotificationDisabler() { | |
43 WidgetFocusManager::GetInstance()->DisableNotifications(); | |
44 } | |
45 | |
46 AutoNativeNotificationDisabler::~AutoNativeNotificationDisabler() { | |
47 WidgetFocusManager::GetInstance()->EnableNotifications(); | |
48 } | |
49 | |
50 } // namespace views | |
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