1 /* 2 * Copyright (C) 2009 Google Inc. All rights reserved. 3 * Copyright (C) 2011, 2012 Apple Inc. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: 8 * 9 * * Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * * Redistributions in binary form must reproduce the above 12 * copyright notice, this list of conditions and the following disclaimer 13 * in the documentation and/or other materials provided with the 14 * distribution. 15 * * Neither the name of Google Inc. nor the names of its 16 * contributors may be used to endorse or promote products derived from 17 * this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef NotificationClient_h 33 #define NotificationClient_h 34 35 #include "core/html/VoidCallback.h" 36 #include "modules/notifications/NotificationPermissionCallback.h" 37 #include "wtf/PassRefPtr.h" 38 39 namespace WebCore { 40 41 class Document; 42 class KURL; 43 class Notification; 44 class Page; 45 class ScriptExecutionContext; 46 47 class NotificationClient { 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 56 // Requests that a notification be shown. 57 virtual bool show(Notification*) = 0; 58 59 // Requests that a notification that has already been shown be canceled. 60 virtual void cancel(Notification*) = 0; 61 62 // When the user closes a page, or quits the client application, all of the page's 63 // associated notifications are cleared. 64 virtual void clearNotifications(ScriptExecutionContext*) { } 65 66 // Informs the presenter that a Notification object has been destroyed 67 // (such as by a page transition). The presenter may continue showing 68 // the notification, but must not attempt to call the event handlers. 69 virtual void notificationObjectDestroyed(Notification*) = 0; 70 71 // Informs the presenter the controller attached to the page has been destroyed. 72 virtual void notificationControllerDestroyed() = 0; 73 74 #if ENABLE(LEGACY_NOTIFICATIONS) 75 // Requests user permission to show desktop notifications from a particular 76 // script context. The callback parameter should be run when the user has 77 // made a decision. 78 virtual void requestPermission(ScriptExecutionContext*, PassRefPtr<VoidCallback>) = 0; 79 #endif 80 #if ENABLE(NOTIFICATIONS) 81 virtual void requestPermission(ScriptExecutionContext*, PassRefPtr<NotificationPermissionCallback>) = 0; 82 #endif 83 84 // Cancel all outstanding requests for the ScriptExecutionContext 85 virtual void cancelRequestsForPermission(ScriptExecutionContext*) = 0; 86 87 // Checks the current level of permission. 88 virtual Permission checkPermission(ScriptExecutionContext*) = 0; 89 90 protected: 91 virtual ~NotificationClient() { } 92 }; 93 94 void provideNotification(Page*, NotificationClient*); 95 96 } // namespace WebCore 97 98 #endif // NotificationClient_h 99
