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 "WebNotificationPermissionCallback.h" 35 #include "WebSecurityOrigin.h" 36 #include "WebString.h" 37 38 namespace WebKit { 39 40 class WebDocument; 41 class WebNotification; 42 class WebURL; 43 44 // Provides the services to show desktop notifications to the user. 45 class WebNotificationPresenter { 46 public: 47 enum Permission { 48 PermissionAllowed, // User has allowed permission to the origin. 49 PermissionNotAllowed, // User has not taken an action on the origin (defaults to not allowed). 50 PermissionDenied // User has explicitly denied permission from the origin. 51 }; 52 53 // Shows a notification. 54 virtual bool show(const WebNotification&) = 0; 55 56 // Cancels a notification previously shown, and removes it if being shown. 57 virtual void cancel(const WebNotification&) = 0; 58 59 // Indiciates that the notification object subscribed to events for a previously shown notification is 60 // being destroyed. Does _not_ remove the notification if being shown, but detaches it from receiving events. 61 virtual void objectDestroyed(const WebNotification&) = 0; 62 63 // Checks the permission level for the given origin. 64 virtual Permission checkPermission(const WebURL&) = 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 WebSecurityOrigin&, WebNotificationPermissionCallback*) = 0; 70 }; 71 72 } // namespace WebKit 73 74 #endif 75