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