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 WebNotificationPresenter_h 32 #define WebNotificationPresenter_h 33 34 #include "WebString.h" 35 36 namespace WebKit { 37 38 class WebDocument; 39 class WebNotification; 40 class WebNotificationPermissionCallback; 41 class WebURL; 42 43 // Provides the services to show desktop notifications to the user. 44 class WebNotificationPresenter { 45 public: 46 enum Permission { 47 PermissionAllowed, // User has allowed permission to the origin. 48 PermissionNotAllowed, // User has not taken an action on the origin (defaults to not allowed). 49 PermissionDenied // User has explicitly denied permission from the origin. 50 }; 51 52 // Shows a notification. 53 virtual bool show(const WebNotification&) = 0; 54 55 // Cancels a notification previously shown, and removes it if being shown. 56 virtual void cancel(const WebNotification&) = 0; 57 58 // Indiciates that the notification object subscribed to events for a previously shown notification is 59 // being destroyed. Does _not_ remove the notification if being shown, but detaches it from receiving events. 60 virtual void objectDestroyed(const WebNotification&) = 0; 61 62 // Checks the permission level for the given URL. If the URL is being displayed in a document 63 // (as opposed to a worker or other ScriptExecutionContext), |document| will also be provided. 64 virtual Permission checkPermission(const WebURL& url, WebDocument* document) = 0; 65 66 // Requests permission for a given origin. This operation is asynchronous and the callback provided 67 // will be invoked when the permission decision is made. Callback pointer must remain 68 // valid until called. 69 virtual void requestPermission(const WebString& origin, WebNotificationPermissionCallback* callback) = 0; 70 }; 71 72 } // namespace WebKit 73 74 #endif 75