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 "third_party/blink/renderer/modules/speech/dom_window_speech_synthesis.h"
32 
33 #include "base/memory/scoped_refptr.h"
34 #include "third_party/blink/renderer/core/execution_context/execution_context.h"
35 #include "third_party/blink/renderer/core/frame/local_dom_window.h"
36 #include "third_party/blink/renderer/core/frame/local_frame.h"
37 #include "third_party/blink/renderer/platform/bindings/script_state.h"
38 
39 namespace blink {
40 
DOMWindowSpeechSynthesis(LocalDOMWindow & window)41 DOMWindowSpeechSynthesis::DOMWindowSpeechSynthesis(LocalDOMWindow& window)
42     : Supplement<LocalDOMWindow>(window) {}
43 
44 const char DOMWindowSpeechSynthesis::kSupplementName[] =
45     "DOMWindowSpeechSynthesis";
46 
47 // static
From(LocalDOMWindow & window)48 DOMWindowSpeechSynthesis& DOMWindowSpeechSynthesis::From(
49     LocalDOMWindow& window) {
50   DOMWindowSpeechSynthesis* supplement =
51       Supplement<LocalDOMWindow>::From<DOMWindowSpeechSynthesis>(window);
52   if (!supplement) {
53     supplement = MakeGarbageCollected<DOMWindowSpeechSynthesis>(window);
54     ProvideTo(window, supplement);
55   }
56   return *supplement;
57 }
58 
59 // static
speechSynthesis(ScriptState * script_state,LocalDOMWindow & window)60 SpeechSynthesis* DOMWindowSpeechSynthesis::speechSynthesis(
61     ScriptState* script_state,
62     LocalDOMWindow& window) {
63   return DOMWindowSpeechSynthesis::From(window).speechSynthesis(script_state);
64 }
65 
Trace(Visitor * visitor)66 void DOMWindowSpeechSynthesis::Trace(Visitor* visitor) {
67   visitor->Trace(speech_synthesis_);
68   Supplement<LocalDOMWindow>::Trace(visitor);
69 }
70 
SetSpeechSynthesisForTesting(SpeechSynthesis * synthesis)71 void DOMWindowSpeechSynthesis::SetSpeechSynthesisForTesting(
72     SpeechSynthesis* synthesis) {
73   speech_synthesis_ = synthesis;
74 }
75 
speechSynthesis(ScriptState * script_state)76 SpeechSynthesis* DOMWindowSpeechSynthesis::speechSynthesis(
77     ScriptState* script_state) {
78   if (!speech_synthesis_) {
79     speech_synthesis_ =
80         SpeechSynthesis::Create(ExecutionContext::From(script_state));
81   }
82   return speech_synthesis_;
83 }
84 
85 }  // namespace blink
86