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Side by Side Diff: Source/bindings/v8/V8MutationCallback.cpp

Issue 351423002: Moved files under Source/bindings/v8 to Source/bindings/core/v8. (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 6 years, 5 months ago
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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
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "config.h"
27 #include "bindings/v8/V8MutationCallback.h"
28
29 #include "bindings/core/v8/V8MutationObserver.h"
30 #include "bindings/core/v8/V8MutationRecord.h"
31 #include "bindings/v8/ScriptController.h"
32 #include "bindings/v8/V8Binding.h"
33 #include "bindings/v8/V8HiddenValue.h"
34 #include "core/dom/ExecutionContext.h"
35 #include "wtf/Assertions.h"
36
37 namespace WebCore {
38
39 V8MutationCallback::V8MutationCallback(v8::Handle<v8::Function> callback, v8::Ha ndle<v8::Object> owner, ScriptState* scriptState)
40 : ActiveDOMCallback(scriptState->executionContext())
41 , m_callback(scriptState->isolate(), callback)
42 , m_scriptState(scriptState)
43 {
44 V8HiddenValue::setHiddenValue(scriptState->isolate(), owner, V8HiddenValue:: callback(scriptState->isolate()), callback);
45 m_callback.setWeak(this, &setWeakCallback);
46 }
47
48 void V8MutationCallback::call(const WillBeHeapVector<RefPtrWillBeMember<Mutation Record> >& mutations, MutationObserver* observer)
49 {
50 if (!canInvokeCallback())
51 return;
52
53 v8::Isolate* isolate = m_scriptState->isolate();
54
55 if (m_scriptState->contextIsEmpty())
56 return;
57 ScriptState::Scope scope(m_scriptState.get());
58
59 if (m_callback.isEmpty())
60 return;
61 v8::Handle<v8::Value> observerHandle = toV8(observer, m_scriptState->context ()->Global(), isolate);
62 if (observerHandle.IsEmpty()) {
63 if (!isScriptControllerTerminating())
64 CRASH();
65 return;
66 }
67
68 if (!observerHandle->IsObject())
69 return;
70
71 v8::Handle<v8::Object> thisObject = v8::Handle<v8::Object>::Cast(observerHan dle);
72 v8::Handle<v8::Value> argv[] = { v8Array(mutations, m_scriptState->context() ->Global(), isolate), observerHandle };
73
74 v8::TryCatch exceptionCatcher;
75 exceptionCatcher.SetVerbose(true);
76 ScriptController::callFunction(executionContext(), m_callback.newLocal(isola te), thisObject, WTF_ARRAY_LENGTH(argv), argv, isolate);
77 }
78
79 void V8MutationCallback::setWeakCallback(const v8::WeakCallbackData<v8::Function , V8MutationCallback>& data)
80 {
81 data.GetParameter()->m_callback.clear();
82 }
83
84 } // namespace WebCore
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