1 /* 2 * Copyright (C) 2009 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef NotificationPresenter_h 32 #define NotificationPresenter_h 33 34 #include <wtf/PassRefPtr.h> 35 #include "VoidCallback.h" 36 37 #if ENABLE(NOTIFICATIONS) 38 39 namespace WebCore { 40 41 class Document; 42 class Notification; 43 class KURL; 44 class SecurityOrigin; 45 class String; 46 47 class NotificationPresenter { 48 49 public: 50 enum Permission { 51 PermissionAllowed, // User has allowed notifications 52 PermissionNotAllowed, // User has not yet allowed 53 PermissionDenied // User has explicitly denied permission 54 }; 55 ~NotificationPresenter()56 virtual ~NotificationPresenter() {} 57 58 // Requests that a notification be shown. 59 virtual bool show(Notification*) = 0; 60 61 // Requests that a notification that has already been shown be canceled. 62 virtual void cancel(Notification*) = 0; 63 64 // Informs the presenter that a Notification object has been destroyed 65 // (such as by a page transition). The presenter may continue showing 66 // the notification, but must not attempt to call the event handlers. 67 virtual void notificationObjectDestroyed(Notification*) = 0; 68 69 // Requests user permission to show desktop notifications from a particular 70 // origin. The callback parameter should be run when the user has 71 // made a decision. 72 virtual void requestPermission(SecurityOrigin*, PassRefPtr<VoidCallback>) = 0; 73 74 // Checks the current level of permission for the specified URL. If the 75 // URL is a document (as opposed to a worker or other ScriptExecutionContext), 76 // |document| will also be provided. 77 virtual Permission checkPermission(const KURL&, Document*) = 0; 78 }; 79 80 } // namespace WebCore 81 82 #endif // ENABLE(NOTIFICATIONS) 83 84 #endif // NotificationPresenter_h 85