1 /*
2 * Copyright (C) 2009 Google Inc. All rights reserved.
3 * Copyright (C) 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 #include "config.h"
33
34 #if ENABLE(LEGACY_NOTIFICATIONS)
35
36 #include "modules/notifications/NotificationCenter.h"
37
38 #include "core/dom/Document.h"
39 #include "core/workers/WorkerGlobalScope.h"
40 #include "modules/notifications/NotificationClient.h"
41 #include "platform/weborigin/SecurityOrigin.h"
42
43 namespace WebCore {
44
create(ExecutionContext * context,NotificationClient * client)45 PassRefPtr<NotificationCenter> NotificationCenter::create(ExecutionContext* context, NotificationClient* client)
46 {
47 RefPtr<NotificationCenter> notificationCenter(adoptRef(new NotificationCenter(context, client)));
48 notificationCenter->suspendIfNeeded();
49 return notificationCenter.release();
50 }
51
NotificationCenter(ExecutionContext * context,NotificationClient * client)52 NotificationCenter::NotificationCenter(ExecutionContext* context, NotificationClient* client)
53 : ActiveDOMObject(context)
54 , m_client(client)
55 {
56 ScriptWrappable::init(this);
57 }
58
checkPermission()59 int NotificationCenter::checkPermission()
60 {
61 if (!client() || !executionContext())
62 return NotificationClient::PermissionDenied;
63
64 switch (executionContext()->securityOrigin()->canShowNotifications()) {
65 case SecurityOrigin::AlwaysAllow:
66 return NotificationClient::PermissionAllowed;
67 case SecurityOrigin::AlwaysDeny:
68 return NotificationClient::PermissionDenied;
69 case SecurityOrigin::Ask:
70 return m_client->checkPermission(executionContext());
71 }
72
73 ASSERT_NOT_REACHED();
74 return m_client->checkPermission(executionContext());
75 }
76
requestPermission(PassOwnPtr<VoidCallback> callback)77 void NotificationCenter::requestPermission(PassOwnPtr<VoidCallback> callback)
78 {
79 if (!client() || !executionContext())
80 return;
81
82 switch (executionContext()->securityOrigin()->canShowNotifications()) {
83 case SecurityOrigin::AlwaysAllow:
84 case SecurityOrigin::AlwaysDeny: {
85 m_callbacks.add(NotificationRequestCallback::createAndStartTimer(this, callback));
86 return;
87 }
88 case SecurityOrigin::Ask:
89 return m_client->requestPermission(executionContext(), callback);
90 }
91
92 ASSERT_NOT_REACHED();
93 m_client->requestPermission(executionContext(), callback);
94 }
95
stop()96 void NotificationCenter::stop()
97 {
98 m_client = 0;
99 }
100
requestTimedOut(NotificationCenter::NotificationRequestCallback * request)101 void NotificationCenter::requestTimedOut(NotificationCenter::NotificationRequestCallback* request)
102 {
103 m_callbacks.remove(request);
104 }
105
createAndStartTimer(NotificationCenter * center,PassOwnPtr<VoidCallback> callback)106 PassRefPtr<NotificationCenter::NotificationRequestCallback> NotificationCenter::NotificationRequestCallback::createAndStartTimer(NotificationCenter* center, PassOwnPtr<VoidCallback> callback)
107 {
108 RefPtr<NotificationCenter::NotificationRequestCallback> requestCallback = adoptRef(new NotificationCenter::NotificationRequestCallback(center, callback));
109 requestCallback->startTimer();
110 return requestCallback.release();
111 }
112
NotificationRequestCallback(NotificationCenter * center,PassOwnPtr<VoidCallback> callback)113 NotificationCenter::NotificationRequestCallback::NotificationRequestCallback(NotificationCenter* center, PassOwnPtr<VoidCallback> callback)
114 : m_notificationCenter(center)
115 , m_timer(this, &NotificationCenter::NotificationRequestCallback::timerFired)
116 , m_callback(callback)
117 {
118 }
119
startTimer()120 void NotificationCenter::NotificationRequestCallback::startTimer()
121 {
122 m_timer.startOneShot(0);
123 }
124
timerFired(Timer<NotificationCenter::NotificationRequestCallback> *)125 void NotificationCenter::NotificationRequestCallback::timerFired(Timer<NotificationCenter::NotificationRequestCallback>*)
126 {
127 if (m_callback)
128 m_callback->handleEvent();
129 m_notificationCenter->requestTimedOut(this);
130 }
131
132 } // namespace WebCore
133
134 #endif // ENABLE(LEGACY_NOTIFICATIONS)
135