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widget_focus_manager.cc
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widget_focus_manager.cc
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// Copyright (c) 2011 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.
#include "ui/views/focus/widget_focus_manager.h"
namespace views {
// WidgetFocusManager ----------------------------------------------------------
// static
WidgetFocusManager* WidgetFocusManager::GetInstance() {
static base::NoDestructor<WidgetFocusManager> instance;
return instance.get();
}
WidgetFocusManager::~WidgetFocusManager() = default;
void WidgetFocusManager::AddFocusChangeListener(
WidgetFocusChangeListener* listener) {
focus_change_listeners_.AddObserver(listener);
}
void WidgetFocusManager::RemoveFocusChangeListener(
WidgetFocusChangeListener* listener) {
focus_change_listeners_.RemoveObserver(listener);
}
void WidgetFocusManager::OnNativeFocusChanged(gfx::NativeView focused_now) {
if (enabled_) {
for (WidgetFocusChangeListener& observer : focus_change_listeners_)
observer.OnNativeFocusChanged(focused_now);
}
}
WidgetFocusManager::WidgetFocusManager() = default;
// AutoNativeNotificationDisabler ----------------------------------------------
AutoNativeNotificationDisabler::AutoNativeNotificationDisabler() {
WidgetFocusManager::GetInstance()->DisableNotifications();
}
AutoNativeNotificationDisabler::~AutoNativeNotificationDisabler() {
WidgetFocusManager::GetInstance()->EnableNotifications();
}
} // namespace views