1 /*
2 * Copyright (C) 2013 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 #include "config.h"
32 #include "modules/notifications/Notification.h"
33
34 #include "bindings/core/v8/ScriptWrappable.h"
35 #include "core/dom/Document.h"
36 #include "core/events/Event.h"
37 #include "core/page/WindowFocusAllowedIndicator.h"
38 #include "modules/notifications/NotificationClient.h"
39 #include "modules/notifications/NotificationController.h"
40 #include "modules/notifications/NotificationOptions.h"
41 #include "modules/notifications/NotificationPermissionClient.h"
42
43 namespace blink {
44
create(ExecutionContext * context,const String & title,const NotificationOptions & options)45 Notification* Notification::create(ExecutionContext* context, const String& title, const NotificationOptions& options)
46 {
47 NotificationClient& client = NotificationController::clientFrom(context);
48 Notification* notification = adoptRefCountedGarbageCollectedWillBeNoop(new Notification(title, context, &client));
49
50 notification->setBody(options.body());
51 notification->setTag(options.tag());
52 notification->setLang(options.lang());
53 notification->setDir(options.dir());
54 if (options.hasIcon()) {
55 KURL iconUrl = options.icon().isEmpty() ? KURL() : context->completeURL(options.icon());
56 if (!iconUrl.isEmpty() && iconUrl.isValid())
57 notification->setIconUrl(iconUrl);
58 }
59
60 notification->suspendIfNeeded();
61 return notification;
62 }
63
Notification(const String & title,ExecutionContext * context,NotificationClient * client)64 Notification::Notification(const String& title, ExecutionContext* context, NotificationClient* client)
65 : ActiveDOMObject(context)
66 , m_title(title)
67 , m_dir("auto")
68 , m_state(NotificationStateIdle)
69 , m_client(client)
70 , m_asyncRunner(this, &Notification::show)
71 {
72 ASSERT(m_client);
73
74 m_asyncRunner.runAsync();
75 }
76
~Notification()77 Notification::~Notification()
78 {
79 }
80
show()81 void Notification::show()
82 {
83 ASSERT(m_state == NotificationStateIdle);
84 if (!toDocument(executionContext())->page())
85 return;
86
87 if (m_client->checkPermission(executionContext()) != NotificationClient::PermissionAllowed) {
88 dispatchErrorEvent();
89 return;
90 }
91
92 if (m_client->show(this))
93 m_state = NotificationStateShowing;
94 }
95
close()96 void Notification::close()
97 {
98 switch (m_state) {
99 case NotificationStateIdle:
100 break;
101 case NotificationStateShowing:
102 m_client->close(this);
103 break;
104 case NotificationStateClosed:
105 break;
106 }
107 }
108
dispatchShowEvent()109 void Notification::dispatchShowEvent()
110 {
111 dispatchEvent(Event::create(EventTypeNames::show));
112 }
113
dispatchClickEvent()114 void Notification::dispatchClickEvent()
115 {
116 UserGestureIndicator gestureIndicator(DefinitelyProcessingNewUserGesture);
117 WindowFocusAllowedIndicator windowFocusAllowed;
118 dispatchEvent(Event::create(EventTypeNames::click));
119 }
120
dispatchErrorEvent()121 void Notification::dispatchErrorEvent()
122 {
123 dispatchEvent(Event::create(EventTypeNames::error));
124 }
125
dispatchCloseEvent()126 void Notification::dispatchCloseEvent()
127 {
128 dispatchEvent(Event::create(EventTypeNames::close));
129 m_state = NotificationStateClosed;
130 }
131
direction() const132 TextDirection Notification::direction() const
133 {
134 // FIXME: Resolve dir()=="auto" against the document.
135 return dir() == "rtl" ? RTL : LTR;
136 }
137
permissionString(NotificationClient::Permission permission)138 const String& Notification::permissionString(NotificationClient::Permission permission)
139 {
140 DEFINE_STATIC_LOCAL(const String, allowedPermission, ("granted"));
141 DEFINE_STATIC_LOCAL(const String, deniedPermission, ("denied"));
142 DEFINE_STATIC_LOCAL(const String, defaultPermission, ("default"));
143
144 switch (permission) {
145 case NotificationClient::PermissionAllowed:
146 return allowedPermission;
147 case NotificationClient::PermissionDenied:
148 return deniedPermission;
149 case NotificationClient::PermissionNotAllowed:
150 return defaultPermission;
151 }
152
153 ASSERT_NOT_REACHED();
154 return deniedPermission;
155 }
156
permission(ExecutionContext * context)157 const String& Notification::permission(ExecutionContext* context)
158 {
159 return permissionString(NotificationController::clientFrom(context).checkPermission(context));
160 }
161
requestPermission(ExecutionContext * context,NotificationPermissionCallback * callback)162 void Notification::requestPermission(ExecutionContext* context, NotificationPermissionCallback* callback)
163 {
164 // FIXME: Assert that this code-path will only be reached for Document environments
165 // when Blink supports [Exposed] annotations on class members in IDL definitions.
166 if (NotificationPermissionClient* permissionClient = NotificationPermissionClient::from(context)) {
167 permissionClient->requestPermission(context, callback);
168 return;
169 }
170 }
171
dispatchEvent(PassRefPtrWillBeRawPtr<Event> event)172 bool Notification::dispatchEvent(PassRefPtrWillBeRawPtr<Event> event)
173 {
174 ASSERT(m_state != NotificationStateClosed);
175
176 return EventTarget::dispatchEvent(event);
177 }
178
interfaceName() const179 const AtomicString& Notification::interfaceName() const
180 {
181 return EventTargetNames::Notification;
182 }
183
stop()184 void Notification::stop()
185 {
186 m_state = NotificationStateClosed;
187
188 if (m_client) {
189 m_client->notificationObjectDestroyed(this);
190 m_client = 0;
191 }
192
193 m_asyncRunner.stop();
194 }
195
hasPendingActivity() const196 bool Notification::hasPendingActivity() const
197 {
198 return m_state == NotificationStateShowing || m_asyncRunner.isActive();
199 }
200
201 } // namespace blink
202