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1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "config.h" | |
6 #include "bindings/v8/ScriptState.h" | |
7 | |
8 #include "bindings/v8/V8Binding.h" | |
9 #include "core/dom/ExecutionContext.h" | |
10 #include "core/frame/LocalFrame.h" | |
11 | |
12 namespace WebCore { | |
13 | |
14 PassRefPtr<ScriptState> ScriptState::create(v8::Handle<v8::Context> context, Pas
sRefPtr<DOMWrapperWorld> world) | |
15 { | |
16 RefPtr<ScriptState> scriptState = adoptRef(new ScriptState(context, world)); | |
17 // This ref() is for keeping this ScriptState alive as long as the v8::Conte
xt is alive. | |
18 // This is deref()ed in the weak callback of the v8::Context. | |
19 scriptState->ref(); | |
20 return scriptState; | |
21 } | |
22 | |
23 static void weakCallback(const v8::WeakCallbackData<v8::Context, ScriptState>& d
ata) | |
24 { | |
25 data.GetValue()->SetAlignedPointerInEmbedderData(v8ContextPerContextDataInde
x, 0); | |
26 data.GetParameter()->clearContext(); | |
27 data.GetParameter()->deref(); | |
28 } | |
29 | |
30 ScriptState::ScriptState(v8::Handle<v8::Context> context, PassRefPtr<DOMWrapperW
orld> world) | |
31 : m_isolate(context->GetIsolate()) | |
32 , m_context(m_isolate, context) | |
33 , m_world(world) | |
34 , m_perContextData(V8PerContextData::create(context)) | |
35 { | |
36 ASSERT(m_world); | |
37 m_context.setWeak(this, &weakCallback); | |
38 context->SetAlignedPointerInEmbedderData(v8ContextPerContextDataIndex, this)
; | |
39 } | |
40 | |
41 ScriptState::~ScriptState() | |
42 { | |
43 ASSERT(!m_perContextData); | |
44 ASSERT(m_context.isEmpty()); | |
45 } | |
46 | |
47 bool ScriptState::evalEnabled() const | |
48 { | |
49 v8::HandleScope handleScope(m_isolate); | |
50 return context()->IsCodeGenerationFromStringsAllowed(); | |
51 } | |
52 | |
53 void ScriptState::setEvalEnabled(bool enabled) | |
54 { | |
55 v8::HandleScope handleScope(m_isolate); | |
56 return context()->AllowCodeGenerationFromStrings(enabled); | |
57 } | |
58 | |
59 ScriptValue ScriptState::getFromGlobalObject(const char* name) | |
60 { | |
61 v8::HandleScope handleScope(m_isolate); | |
62 v8::Local<v8::Value> v8Value = context()->Global()->Get(v8AtomicString(isola
te(), name)); | |
63 return ScriptValue(this, v8Value); | |
64 } | |
65 | |
66 ExecutionContext* ScriptState::executionContext() const | |
67 { | |
68 v8::HandleScope scope(m_isolate); | |
69 return toExecutionContext(context()); | |
70 } | |
71 | |
72 void ScriptState::setExecutionContext(ExecutionContext*) | |
73 { | |
74 ASSERT_NOT_REACHED(); | |
75 } | |
76 | |
77 LocalDOMWindow* ScriptState::domWindow() const | |
78 { | |
79 v8::HandleScope scope(m_isolate); | |
80 return toDOMWindow(context()); | |
81 } | |
82 | |
83 ScriptState* ScriptState::forMainWorld(LocalFrame* frame) | |
84 { | |
85 v8::Isolate* isolate = toIsolate(frame); | |
86 v8::HandleScope handleScope(isolate); | |
87 return ScriptState::from(toV8Context(frame, DOMWrapperWorld::mainWorld())); | |
88 } | |
89 | |
90 PassRefPtr<ScriptStateForTesting> ScriptStateForTesting::create(v8::Handle<v8::C
ontext> context, PassRefPtr<DOMWrapperWorld> world) | |
91 { | |
92 RefPtr<ScriptStateForTesting> scriptState = adoptRef(new ScriptStateForTesti
ng(context, world)); | |
93 // This ref() is for keeping this ScriptState alive as long as the v8::Conte
xt is alive. | |
94 // This is deref()ed in the weak callback of the v8::Context. | |
95 scriptState->ref(); | |
96 return scriptState; | |
97 } | |
98 | |
99 ScriptStateForTesting::ScriptStateForTesting(v8::Handle<v8::Context> context, Pa
ssRefPtr<DOMWrapperWorld> world) | |
100 : ScriptState(context, world) | |
101 { | |
102 } | |
103 | |
104 ExecutionContext* ScriptStateForTesting::executionContext() const | |
105 { | |
106 return m_executionContext; | |
107 } | |
108 | |
109 void ScriptStateForTesting::setExecutionContext(ExecutionContext* executionConte
xt) | |
110 { | |
111 m_executionContext = executionContext; | |
112 } | |
113 | |
114 } | |
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