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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.
#ifndef ASH_SHELL_WINDOW_WATCHER_H_
#define ASH_SHELL_WINDOW_WATCHER_H_
#include <map>
#include "ash/shelf/shelf_item_types.h"
#include "base/compiler_specific.h"
#include "base/logging.h"
#include "base/memory/scoped_ptr.h"
#include "ui/aura/window_observer.h"
#include "ui/gfx/display_observer.h"
namespace aura {
class Window;
}
namespace ash {
namespace shell {
// TODO(sky): fix this class, its a bit broke with workspace2.
// WindowWatcher is responsible for listening for newly created windows and
// creating items on the Shelf for them.
class WindowWatcher : public aura::WindowObserver,
public gfx::DisplayObserver {
public:
WindowWatcher();
virtual ~WindowWatcher();
aura::Window* GetWindowByID(ash::ShelfID id);
// aura::WindowObserver overrides:
virtual void OnWindowAdded(aura::Window* new_window) OVERRIDE;
virtual void OnWillRemoveWindow(aura::Window* window) OVERRIDE;
// gfx::DisplayObserver overrides:
virtual void OnDisplayAdded(const gfx::Display& new_display) OVERRIDE;
virtual void OnDisplayRemoved(const gfx::Display& old_display) OVERRIDE;
virtual void OnDisplayMetricsChanged(const gfx::Display& display,
uint32_t metrics) OVERRIDE;
private:
class WorkspaceWindowWatcher;
typedef std::map<ash::ShelfID, aura::Window*> IDToWindow;
// Maps from window to the id we gave it.
IDToWindow id_to_window_;
scoped_ptr<WorkspaceWindowWatcher> workspace_window_watcher_;
DISALLOW_COPY_AND_ASSIGN(WindowWatcher);
};
} // namespace shell
} // namespace ash
#endif // ASH_SHELL_WINDOW_WATCHER_H_