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/ScriptValue.h"
35 #include "bindings/v8/V8Binding.h"
36 #include "bindings/v8/V8DOMWrapper.h"
37
38 #include <v8.h>
39
40 namespace WebCore {
41
ScriptPromiseResolver(ScriptState * scriptState)42 ScriptPromiseResolver::ScriptPromiseResolver(ScriptState* scriptState)
43 : m_scriptState(scriptState)
44 {
45 v8::Isolate* isolate = m_scriptState->isolate();
46 ASSERT(!m_scriptState->contextIsEmpty());
47 ASSERT(isolate->InContext());
48 m_resolver = ScriptValue(scriptState, v8::Promise::Resolver::New(isolate));
49 }
50
~ScriptPromiseResolver()51 ScriptPromiseResolver::~ScriptPromiseResolver()
52 {
53 // We don't call "reject" here because it requires a caller
54 // to be in a v8 context.
55
56 m_resolver.clear();
57 }
58
promise()59 ScriptPromise ScriptPromiseResolver::promise()
60 {
61 ASSERT(!m_scriptState->contextIsEmpty());
62 ASSERT(m_scriptState->isolate()->InContext());
63 if (!m_resolver.isEmpty()) {
64 v8::Local<v8::Promise::Resolver> v8Resolver = m_resolver.v8Value().As<v8::Promise::Resolver>();
65 return ScriptPromise(m_scriptState.get(), v8Resolver->GetPromise());
66 }
67 return ScriptPromise();
68 }
69
create(ScriptState * scriptState)70 PassRefPtr<ScriptPromiseResolver> ScriptPromiseResolver::create(ScriptState* scriptState)
71 {
72 ASSERT(scriptState->isolate()->InContext());
73 return adoptRef(new ScriptPromiseResolver(scriptState));
74 }
75
resolve(v8::Handle<v8::Value> value)76 void ScriptPromiseResolver::resolve(v8::Handle<v8::Value> value)
77 {
78 ASSERT(m_scriptState->isolate()->InContext());
79 if (!m_resolver.isEmpty()) {
80 m_resolver.v8Value().As<v8::Promise::Resolver>()->Resolve(value);
81 }
82 m_resolver.clear();
83 }
84
reject(v8::Handle<v8::Value> value)85 void ScriptPromiseResolver::reject(v8::Handle<v8::Value> value)
86 {
87 ASSERT(m_scriptState->isolate()->InContext());
88 if (!m_resolver.isEmpty()) {
89 m_resolver.v8Value().As<v8::Promise::Resolver>()->Reject(value);
90 }
91 m_resolver.clear();
92 }
93
94 } // namespace WebCore
95