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/*
* Copyright (C) 2009 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef NotificationPresenter_h
#define NotificationPresenter_h
#include <wtf/PassRefPtr.h>
#include "VoidCallback.h"
#if ENABLE(NOTIFICATIONS)
namespace WebCore {
class Document;
class Notification;
class KURL;
class ScriptExecutionContext;
class NotificationPresenter {
public:
enum Permission {
PermissionAllowed, // User has allowed notifications
PermissionNotAllowed, // User has not yet allowed
PermissionDenied // User has explicitly denied permission
};
virtual ~NotificationPresenter() {}
// Requests that a notification be shown.
virtual bool show(Notification*) = 0;
// Requests that a notification that has already been shown be canceled.
virtual void cancel(Notification*) = 0;
// Informs the presenter that a Notification object has been destroyed
// (such as by a page transition). The presenter may continue showing
// the notification, but must not attempt to call the event handlers.
virtual void notificationObjectDestroyed(Notification*) = 0;
// Requests user permission to show desktop notifications from a particular
// script context. The callback parameter should be run when the user has
// made a decision.
virtual void requestPermission(ScriptExecutionContext*, PassRefPtr<VoidCallback>) = 0;
// Cancel all outstanding requests for the ScriptExecutionContext
virtual void cancelRequestsForPermission(ScriptExecutionContext*) = 0;
// Checks the current level of permission.
virtual Permission checkPermission(ScriptExecutionContext*) = 0;
};
} // namespace WebCore
#endif // ENABLE(NOTIFICATIONS)
#endif // NotificationPresenter_h