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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_LAUNCHER_ITEM_CONTROLLER_H_
#define CHROME_BROWSER_UI_ASH_LAUNCHER_LAUNCHER_ITEM_CONTROLLER_H_
#include "ash/launcher/launcher_types.h"
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/scoped_vector.h"
#include "base/string16.h"
class ChromeLauncherController;
class ChromeLauncherAppMenuItem;
typedef ScopedVector<ChromeLauncherAppMenuItem> ChromeLauncherAppMenuItems;
namespace aura {
class Window;
}
namespace content {
class WebContents;
}
// LauncherItemController is used by ChromeLauncherController to track one
// or more windows associated with a launcher item.
class LauncherItemController {
public:
enum Type {
TYPE_APP,
TYPE_APP_PANEL,
TYPE_EXTENSION_PANEL,
TYPE_SHORTCUT,
TYPE_TABBED
};
LauncherItemController(Type type,
const std::string& app_id,
ChromeLauncherController* launcher_controller);
virtual ~LauncherItemController();
Type type() const { return type_; }
ash::LauncherID launcher_id() const { return launcher_id_; }
void set_launcher_id(ash::LauncherID id) { launcher_id_ = id; }
const std::string& app_id() const { return app_id_; }
ChromeLauncherController* launcher_controller() {
return launcher_controller_;
}
// Returns the title for this item.
virtual string16 GetTitle() = 0;
// Returns true if this item controls |window|.
virtual bool HasWindow(aura::Window* window) const = 0;
// Returns true if this item is open.
virtual bool IsOpen() const = 0;
// Launches a new instance of the app associated with this item.
virtual void Launch(int event_flags) = 0;
// Shows and activates the most-recently-active window associated with the
// item, or launches the item if it is not currently open.
virtual void Activate() = 0;
// Closes all windows associated with this item.
virtual void Close() = 0;
// Indicates that the item at |index| has changed from its previous value.
virtual void LauncherItemChanged(int model_index,
const ash::LauncherItem& old_item) = 0;
// Called when the item is clicked. The behavior varies by the number of
// windows associated with the item:
// * One window: toggles the minimize state.
// * Multiple windows: cycles the active window.
virtual void Clicked() = 0;
// Called when the controlled item is removed from the launcher.
virtual void OnRemoved() = 0;
// Called to retrieve the list of running applications.
virtual ChromeLauncherAppMenuItems* GetApplicationList() = 0;
// Helper function to get the ash::LauncherItemType for the item type.
ash::LauncherItemType GetLauncherItemType() const;
protected:
// Helper function to return the title associated with |app_id_|.
// Returns an empty title if no matching extension can be found.
string16 GetAppTitle() const;
private:
const Type type_;
// App id will be empty if there is no app associated with the window.
const std::string app_id_;
ash::LauncherID launcher_id_;
ChromeLauncherController* launcher_controller_;
DISALLOW_COPY_AND_ASSIGN(LauncherItemController);
};
#endif // CHROME_BROWSER_UI_ASH_LAUNCHER_LAUNCHER_ITEM_CONTROLLER_H_
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