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 "../platform/WebString.h"
35
36namespace blink {
37
38class WebDocument;
39class WebNotification;
40class WebNotificationPermissionCallback;
41class WebSecurityOrigin;
42
43// Provides the services to show desktop notifications to the user.
44class WebNotificationPresenter {
45public:
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    // Closes a notification previously shown, and removes it if being shown.
56    // FIXME: Remove cancel() once Chromium updated to the new name, and make close() pure virtual.
57    virtual void close(const WebNotification&) { }
58    virtual void cancel(const WebNotification&) = 0;
59
60    // Indiciates that the notification object subscribed to events for a previously shown notification is
61    // being destroyed.  Does _not_ remove the notification if being shown, but detaches it from receiving events.
62    virtual void objectDestroyed(const WebNotification&) = 0;
63
64    // Checks the permission level for the given origin.
65    virtual Permission checkPermission(const WebSecurityOrigin&) = 0;
66};
67
68} // namespace blink
69
70#endif
71