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 "bindings/v8/ScriptPromiseResolver.h"
33
34 #include "bindings/v8/ScriptState.h"
35 #include "bindings/v8/ScriptValue.h"
36 #include "bindings/v8/V8Binding.h"
37 #include "bindings/v8/V8DOMWrapper.h"
38 #include "bindings/v8/custom/V8PromiseCustom.h"
39
40 #include <v8.h>
41
42 namespace WebCore {
43
ScriptPromiseResolver(ScriptPromise promise)44 ScriptPromiseResolver::ScriptPromiseResolver(ScriptPromise promise)
45 : m_isolate(promise.isolate())
46 , m_promise(promise)
47 {
48 }
49
~ScriptPromiseResolver()50 ScriptPromiseResolver::~ScriptPromiseResolver()
51 {
52 // We don't call "reject" here because it requires a caller
53 // to be in a v8 context.
54
55 m_promise.clear();
56 }
57
create(ScriptPromise promise,ExecutionContext * context)58 PassRefPtr<ScriptPromiseResolver> ScriptPromiseResolver::create(ScriptPromise promise, ExecutionContext* context)
59 {
60 ASSERT(promise.isolate()->InContext());
61 ASSERT(context);
62 return adoptRef(new ScriptPromiseResolver(promise));
63 }
64
create(ScriptPromise promise)65 PassRefPtr<ScriptPromiseResolver> ScriptPromiseResolver::create(ScriptPromise promise)
66 {
67 ASSERT(promise.isolate()->InContext());
68 return adoptRef(new ScriptPromiseResolver(promise));
69 }
70
isPending() const71 bool ScriptPromiseResolver::isPending() const
72 {
73 ASSERT(m_isolate->InContext());
74 if (m_promise.hasNoValue())
75 return false;
76 v8::Local<v8::Object> promise = m_promise.v8Value().As<v8::Object>();
77 v8::Local<v8::Object> internal = V8PromiseCustom::getInternal(promise);
78 V8PromiseCustom::PromiseState state = V8PromiseCustom::getState(internal);
79 return state == V8PromiseCustom::Pending;
80 }
81
resolve(v8::Handle<v8::Value> value)82 void ScriptPromiseResolver::resolve(v8::Handle<v8::Value> value)
83 {
84 ASSERT(m_isolate->InContext());
85 if (!isPending())
86 return;
87 V8PromiseCustom::resolve(m_promise.v8Value().As<v8::Object>(), value, m_isolate);
88 m_promise.clear();
89 }
90
reject(v8::Handle<v8::Value> value)91 void ScriptPromiseResolver::reject(v8::Handle<v8::Value> value)
92 {
93 ASSERT(m_isolate->InContext());
94 if (!isPending())
95 return;
96 V8PromiseCustom::reject(m_promise.v8Value().As<v8::Object>(), value, m_isolate);
97 m_promise.clear();
98 }
99
resolve(ScriptValue value)100 void ScriptPromiseResolver::resolve(ScriptValue value)
101 {
102 ASSERT(m_isolate->InContext());
103 resolve(value.v8Value());
104 }
105
reject(ScriptValue value)106 void ScriptPromiseResolver::reject(ScriptValue value)
107 {
108 ASSERT(m_isolate->InContext());
109 reject(value.v8Value());
110 }
111
112 } // namespace WebCore
113