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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "bindings/core/v8/ScriptState.h" | 5 #include "bindings/core/v8/ScriptState.h" |
6 | 6 |
7 #include "bindings/core/v8/V8Binding.h" | 7 #include "bindings/core/v8/V8Binding.h" |
8 #include "core/dom/ExecutionContext.h" | 8 #include "core/dom/ExecutionContext.h" |
9 #include "core/frame/LocalDOMWindow.h" | 9 #include "core/frame/LocalDOMWindow.h" |
10 #include "core/frame/LocalFrame.h" | 10 #include "core/frame/LocalFrame.h" |
11 | 11 |
12 namespace blink { | 12 namespace blink { |
13 | 13 |
14 PassRefPtr<ScriptState> ScriptState::create(v8::Local<v8::Context> context, | 14 PassRefPtr<ScriptState> ScriptState::create(v8::Local<v8::Context> context, |
15 PassRefPtr<DOMWrapperWorld> world) { | 15 PassRefPtr<DOMWrapperWorld> world) { |
16 RefPtr<ScriptState> scriptState = | 16 RefPtr<ScriptState> scriptState = |
17 adoptRef(new ScriptState(context, std::move(world))); | 17 adoptRef(new ScriptState(context, std::move(world))); |
18 // This ref() is for keeping this ScriptState alive as long as the v8::Context
is alive. | 18 // This ref() is for keeping this ScriptState alive as long as the v8::Context |
19 // This is deref()ed in the weak callback of the v8::Context. | 19 // is alive. This is deref()ed in the weak callback of the v8::Context. |
20 scriptState->ref(); | 20 scriptState->ref(); |
21 return scriptState; | 21 return scriptState; |
22 } | 22 } |
23 | 23 |
24 static void derefCallback(const v8::WeakCallbackInfo<ScriptState>& data) { | 24 static void derefCallback(const v8::WeakCallbackInfo<ScriptState>& data) { |
25 data.GetParameter()->deref(); | 25 data.GetParameter()->deref(); |
26 } | 26 } |
27 | 27 |
28 static void weakCallback(const v8::WeakCallbackInfo<ScriptState>& data) { | 28 static void weakCallback(const v8::WeakCallbackInfo<ScriptState>& data) { |
29 data.GetParameter()->clearContext(); | 29 data.GetParameter()->clearContext(); |
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97 v8::HandleScope handleScope(toIsolate(frame)); | 97 v8::HandleScope handleScope(toIsolate(frame)); |
98 v8::Local<v8::Context> context = toV8Context(frame, world); | 98 v8::Local<v8::Context> context = toV8Context(frame, world); |
99 if (context.IsEmpty()) | 99 if (context.IsEmpty()) |
100 return nullptr; | 100 return nullptr; |
101 ScriptState* scriptState = ScriptState::from(context); | 101 ScriptState* scriptState = ScriptState::from(context); |
102 ASSERT(scriptState->contextIsValid()); | 102 ASSERT(scriptState->contextIsValid()); |
103 return scriptState; | 103 return scriptState; |
104 } | 104 } |
105 | 105 |
106 } // namespace blink | 106 } // namespace blink |
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