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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 CHROME_BROWSER_UI_ASH_LAUNCHER_SHELL_WINDOW_LAUNCHER_CONTROLLER_H_
#define CHROME_BROWSER_UI_ASH_LAUNCHER_SHELL_WINDOW_LAUNCHER_CONTROLLER_H_
#include <list>
#include <map>
#include <string>
#include "chrome/browser/extensions/shell_window_registry.h"
#include "ui/aura/client/activation_change_observer.h"
#include "ui/aura/window_observer.h"
namespace apps {
class ShellWindow;
}
namespace aura {
class Window;
namespace client {
class ActivationClient;
}
}
class ChromeLauncherController;
class ShellWindowLauncherItemController;
// ShellWindowLauncherController observes the Shell Window registry and the
// aura window manager. It handles adding and removing launcher items from
// ChromeLauncherController.
class ShellWindowLauncherController
: public extensions::ShellWindowRegistry::Observer,
public aura::WindowObserver,
public aura::client::ActivationChangeObserver {
public:
explicit ShellWindowLauncherController(ChromeLauncherController* owner);
virtual ~ShellWindowLauncherController();
// Overridden from ShellWindowRegistry::Observer:
virtual void OnShellWindowAdded(apps::ShellWindow* shell_window) OVERRIDE;
virtual void OnShellWindowIconChanged(
apps::ShellWindow* shell_window) OVERRIDE;
virtual void OnShellWindowRemoved(apps::ShellWindow* shell_window) OVERRIDE;
// Overriden from aura::WindowObserver:
virtual void OnWindowDestroying(aura::Window* window) OVERRIDE;
// Overriden from client::ActivationChangeObserver:
virtual void OnWindowActivated(aura::Window* gained_active,
aura::Window* lost_active) OVERRIDE;
// Returns the number of running applications.
int NumberOfAppsRunning();
// Activate the application with the given index.
void ActivateAppAt(int index);
private:
typedef std::map<std::string, ShellWindowLauncherItemController*>
AppControllerMap;
typedef std::map<aura::Window*, std::string> WindowToAppLauncherIdMap;
ShellWindowLauncherItemController* ControllerForWindow(aura::Window* window);
ChromeLauncherController* owner_;
extensions::ShellWindowRegistry* registry_; // Unowned convenience pointer
aura::client::ActivationClient* activation_client_;
// Map of app launcher id to controller.
AppControllerMap app_controller_map_;
// Allows us to get from an aura::Window to the app launcher id.
WindowToAppLauncherIdMap window_to_app_launcher_id_map_;
DISALLOW_COPY_AND_ASSIGN(ShellWindowLauncherController);
};
#endif // CHROME_BROWSER_UI_ASH_LAUNCHER_SHELL_WINDOW_LAUNCHER_CONTROLLER_H_
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