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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/crypto/KeyOperation.h" | |
33 | |
34 #include "V8Key.h" // NOTE: This must appear before ScriptPromiseResolver to def
ine toV8() | |
35 #include "bindings/v8/ExceptionState.h" | |
36 #include "bindings/v8/ScriptPromiseResolver.h" | |
37 #include "core/dom/ExceptionCode.h" | |
38 #include "modules/crypto/Key.h" | |
39 | |
40 namespace WebCore { | |
41 | |
42 PassRefPtr<KeyOperation> KeyOperation::create() | |
43 { | |
44 return adoptRef(new KeyOperation); | |
45 } | |
46 | |
47 KeyOperation::KeyOperation() | |
48 : m_state(Initializing) | |
49 , m_impl(0) | |
50 , m_initializationError(0) | |
51 { | |
52 } | |
53 | |
54 KeyOperation::~KeyOperation() | |
55 { | |
56 ASSERT(!m_impl); | |
57 } | |
58 | |
59 void KeyOperation::initializationFailed() | |
60 { | |
61 ASSERT(m_state == Initializing); | |
62 ASSERT(!m_impl); | |
63 | |
64 m_initializationError = NotSupportedError; | |
65 m_state = Done; | |
66 } | |
67 | |
68 void KeyOperation::initializationSucceeded(WebKit::WebCryptoKeyOperation* operat
ionImpl) | |
69 { | |
70 ASSERT(m_state == Initializing); | |
71 ASSERT(operationImpl); | |
72 ASSERT(!m_impl); | |
73 | |
74 m_impl = operationImpl; | |
75 m_state = InProgress; | |
76 } | |
77 | |
78 void KeyOperation::completeWithError() | |
79 { | |
80 ASSERT(m_state == Initializing || m_state == InProgress); | |
81 | |
82 m_impl = 0; | |
83 m_state = Done; | |
84 | |
85 promiseResolver()->reject(ScriptValue::createNull()); | |
86 } | |
87 | |
88 void KeyOperation::completeWithKey(const WebKit::WebCryptoKey& key) | |
89 { | |
90 ASSERT(m_state == Initializing || m_state == InProgress); | |
91 | |
92 m_impl = 0; | |
93 m_state = Done; | |
94 | |
95 promiseResolver()->fulfill(Key::create(key)); | |
96 } | |
97 | |
98 void KeyOperation::ref() | |
99 { | |
100 ThreadSafeRefCounted<KeyOperation>::ref(); | |
101 } | |
102 | |
103 void KeyOperation::deref() | |
104 { | |
105 ThreadSafeRefCounted<KeyOperation>::deref(); | |
106 } | |
107 | |
108 ScriptObject KeyOperation::returnValue(ExceptionState& es) | |
109 { | |
110 ASSERT(m_state != Initializing); | |
111 | |
112 if (m_initializationError) { | |
113 es.throwDOMException(m_initializationError); | |
114 return ScriptObject(); | |
115 } | |
116 | |
117 return promiseResolver()->promise(); | |
118 } | |
119 | |
120 ScriptPromiseResolver* KeyOperation::promiseResolver() | |
121 { | |
122 if (!m_promiseResolver) | |
123 m_promiseResolver = ScriptPromiseResolver::create(); | |
124 return m_promiseResolver.get(); | |
125 } | |
126 | |
127 } // namespace WebCore | |
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