1 /*
2 * Copyright (C) 2012 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/speech/DOMWindowSpeechSynthesis.h"
33
34 #include "core/frame/LocalDOMWindow.h"
35 #include "core/frame/LocalFrame.h"
36 #include "wtf/PassRefPtr.h"
37
38 namespace WebCore {
39
DOMWindowSpeechSynthesis(LocalDOMWindow & window)40 DOMWindowSpeechSynthesis::DOMWindowSpeechSynthesis(LocalDOMWindow& window)
41 : DOMWindowProperty(window.frame())
42 {
43 }
44
~DOMWindowSpeechSynthesis()45 DOMWindowSpeechSynthesis::~DOMWindowSpeechSynthesis()
46 {
47 }
48
supplementName()49 const char* DOMWindowSpeechSynthesis::supplementName()
50 {
51 return "DOMWindowSpeechSynthesis";
52 }
53
54 // static
from(LocalDOMWindow & window)55 DOMWindowSpeechSynthesis& DOMWindowSpeechSynthesis::from(LocalDOMWindow& window)
56 {
57 DOMWindowSpeechSynthesis* supplement = static_cast<DOMWindowSpeechSynthesis*>(WillBeHeapSupplement<LocalDOMWindow>::from(window, supplementName()));
58 if (!supplement) {
59 supplement = new DOMWindowSpeechSynthesis(window);
60 provideTo(window, supplementName(), adoptPtrWillBeNoop(supplement));
61 }
62 return *supplement;
63 }
64
65 // static
speechSynthesis(LocalDOMWindow & window)66 SpeechSynthesis* DOMWindowSpeechSynthesis::speechSynthesis(LocalDOMWindow& window)
67 {
68 return DOMWindowSpeechSynthesis::from(window).speechSynthesis();
69 }
70
speechSynthesis()71 SpeechSynthesis* DOMWindowSpeechSynthesis::speechSynthesis()
72 {
73 if (!m_speechSynthesis && frame())
74 m_speechSynthesis = SpeechSynthesis::create(frame()->domWindow()->executionContext());
75 return m_speechSynthesis.get();
76 }
77
trace(Visitor * visitor)78 void DOMWindowSpeechSynthesis::trace(Visitor* visitor)
79 {
80 visitor->trace(m_speechSynthesis);
81 WillBeHeapSupplement<LocalDOMWindow>::trace(visitor);
82 }
83
84 } // namespace WebCore
85