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// Copyright (c) 2012 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/base/x/work_area_watcher_x.h"
#include "ui/base/work_area_watcher_observer.h"
#include "ui/base/x/root_window_property_watcher_x.h"
#include "ui/base/x/x11_util.h"
namespace ui {
static const char* const kNetWorkArea = "_NET_WORKAREA";
// static
WorkAreaWatcherX* WorkAreaWatcherX::GetInstance() {
return Singleton<WorkAreaWatcherX>::get();
}
// static
void WorkAreaWatcherX::AddObserver(WorkAreaWatcherObserver* observer) {
// Ensure that RootWindowPropertyWatcherX exists.
internal::RootWindowPropertyWatcherX::GetInstance();
GetInstance()->observers_.AddObserver(observer);
}
// static
void WorkAreaWatcherX::RemoveObserver(WorkAreaWatcherObserver* observer) {
GetInstance()->observers_.RemoveObserver(observer);
}
// static
void WorkAreaWatcherX::Notify() {
GetInstance()->NotifyWorkAreaChanged();
}
// static
Atom WorkAreaWatcherX::GetPropertyAtom() {
return GetAtom(kNetWorkArea);
}
WorkAreaWatcherX::WorkAreaWatcherX() {
}
WorkAreaWatcherX::~WorkAreaWatcherX() {
}
void WorkAreaWatcherX::NotifyWorkAreaChanged() {
FOR_EACH_OBSERVER(WorkAreaWatcherObserver, observers_, WorkAreaChanged());
}
} // namespace ui
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