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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/wm/public/activation_change_observer.h"
#include "ui/aura/window.h"
#include "ui/base/class_property.h"
DEFINE_UI_CLASS_PROPERTY_TYPE(wm::ActivationChangeObserver*)
namespace wm {
DEFINE_UI_CLASS_PROPERTY_KEY(ActivationChangeObserver*,
kActivationChangeObserverKey,
nullptr)
ActivationChangeObserver::~ActivationChangeObserver() {
CHECK(!IsInObserverList());
}
void SetActivationChangeObserver(aura::Window* window,
ActivationChangeObserver* observer) {
window->SetProperty(kActivationChangeObserverKey, observer);
}
ActivationChangeObserver* GetActivationChangeObserver(aura::Window* window) {
return window ? window->GetProperty(kActivationChangeObserverKey) : NULL;
}
} // namespace wm
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