| /* |
| * Copyright (C) 2010, 2012 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| |
| #if ENABLE(MUTATION_OBSERVERS) |
| |
| #include "V8MutationCallback.h" |
| |
| #include "ScriptExecutionContext.h" |
| #include "V8Binding.h" |
| #include "V8CustomVoidCallback.h" |
| #include "V8MutationRecord.h" |
| #include "V8Proxy.h" |
| #include "V8WebKitMutationObserver.h" |
| #include <wtf/Assertions.h> |
| #include <wtf/GetPtr.h> |
| #include <wtf/RefCounted.h> |
| #include <wtf/RefPtr.h> |
| |
| namespace WebCore { |
| |
| bool V8MutationCallback::handleEvent(MutationRecordArray* mutations, WebKitMutationObserver* observer) |
| { |
| ASSERT(mutations); |
| if (!mutations) |
| return true; |
| |
| if (!canInvokeCallback()) |
| return true; |
| |
| v8::HandleScope handleScope; |
| |
| v8::Handle<v8::Context> v8Context = toV8Context(scriptExecutionContext(), m_worldContext); |
| if (v8Context.IsEmpty()) |
| return true; |
| |
| v8::Context::Scope scope(v8Context); |
| |
| v8::Local<v8::Array> mutationsArray = v8::Array::New(mutations->size()); |
| for (size_t i = 0; i < mutations->size(); ++i) |
| mutationsArray->Set(v8::Integer::New(i), toV8(mutations->at(i).get())); |
| |
| v8::Handle<v8::Value> observerHandle = toV8(observer); |
| if (observerHandle.IsEmpty()) { |
| if (!isScriptControllerTerminating()) |
| CRASH(); |
| return true; |
| } |
| |
| if (!observerHandle->IsObject()) |
| return true; |
| |
| v8::Handle<v8::Value> argv[] = { |
| mutationsArray, |
| observerHandle |
| }; |
| |
| bool callbackReturnValue = false; |
| return !invokeCallback(m_callback, v8::Handle<v8::Object>::Cast(observerHandle), 2, argv, callbackReturnValue, scriptExecutionContext()); |
| } |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(MUTATION_OBSERVERS) |