blob: 4900bd066a488dbd0284b4952668c4263f93fbb5 [file] [log] [blame]
// Copyright 2013 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 "ash/ash_export.h"
#include "ash/shelf/shelf_item_types.h"
namespace ash {
class Shelf;
// Delegate for the Shelf.
class ASH_EXPORT ShelfDelegate {
// Shelf owns the delegate.
virtual ~ShelfDelegate() {}
// Callback used to allow delegate to perform initialization actions that
// depend on the Shelf being in a known state.
virtual void OnShelfCreated(Shelf* shelf) = 0;
// Callback used to inform the delegate that a specific shelf no longer
// exists.
virtual void OnShelfDestroyed(Shelf* shelf) = 0;
// Get the shelf ID from an application ID.
virtual ShelfID GetShelfIDForAppID(const std::string& app_id) = 0;
// Get the application ID for a given shelf ID.
virtual const std::string& GetAppIDForShelfID(ShelfID id) = 0;
// Pins an app with |app_id| to shelf. A running instance will get pinned.
// In case there is no running instance a new shelf item is created and
// pinned.
virtual void PinAppWithID(const std::string& app_id) = 0;
// Check if the app with |app_id_| is pinned to the shelf.
virtual bool IsAppPinned(const std::string& app_id) = 0;
// Checks whether the user is allowed to pin/unpin apps. Pinning may be
// disallowed by policy in case there is a pre-defined set of pinned apps.
virtual bool CanPin() const = 0;
// Unpins app item with |app_id|.
virtual void UnpinAppWithID(const std::string& app_id) = 0;
} // namespace ash