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| 1 /* | |
| 2 * Copyright (C) 2010 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/V8ErrorHandler.h" | |
| 33 | |
| 34 #include "bindings/core/v8/V8ErrorEvent.h" | |
| 35 #include "bindings/v8/ScriptController.h" | |
| 36 #include "bindings/v8/V8Binding.h" | |
| 37 #include "bindings/v8/V8HiddenValue.h" | |
| 38 #include "bindings/v8/V8ScriptRunner.h" | |
| 39 #include "core/dom/ExecutionContext.h" | |
| 40 #include "core/events/ErrorEvent.h" | |
| 41 #include "core/frame/LocalFrame.h" | |
| 42 | |
| 43 namespace WebCore { | |
| 44 | |
| 45 V8ErrorHandler::V8ErrorHandler(v8::Local<v8::Object> listener, bool isInline, Sc
riptState* scriptState) | |
| 46 : V8EventListener(listener, isInline, scriptState) | |
| 47 { | |
| 48 } | |
| 49 | |
| 50 v8::Local<v8::Value> V8ErrorHandler::callListenerFunction(v8::Handle<v8::Value>
jsEvent, Event* event) | |
| 51 { | |
| 52 if (!event->hasInterface(EventNames::ErrorEvent)) | |
| 53 return V8EventListener::callListenerFunction(jsEvent, event); | |
| 54 | |
| 55 ErrorEvent* errorEvent = static_cast<ErrorEvent*>(event); | |
| 56 | |
| 57 if (errorEvent->world() && errorEvent->world() != &world()) | |
| 58 return v8::Null(isolate()); | |
| 59 | |
| 60 v8::Local<v8::Object> listener = getListenerObject(scriptState()->executionC
ontext()); | |
| 61 v8::Local<v8::Value> returnValue; | |
| 62 if (!listener.IsEmpty() && listener->IsFunction()) { | |
| 63 v8::Local<v8::Function> callFunction = v8::Local<v8::Function>::Cast(lis
tener); | |
| 64 v8::Local<v8::Object> thisValue = scriptState()->context()->Global(); | |
| 65 | |
| 66 v8::Local<v8::Value> error = V8HiddenValue::getHiddenValue(isolate(), js
Event->ToObject(), V8HiddenValue::error(isolate())); | |
| 67 if (error.IsEmpty()) | |
| 68 error = v8::Null(isolate()); | |
| 69 | |
| 70 v8::Handle<v8::Value> parameters[5] = { v8String(isolate(), errorEvent->
message()), v8String(isolate(), errorEvent->filename()), v8::Integer::New(isolat
e(), errorEvent->lineno()), v8::Integer::New(isolate(), errorEvent->colno()), er
ror }; | |
| 71 v8::TryCatch tryCatch; | |
| 72 tryCatch.SetVerbose(true); | |
| 73 if (scriptState()->executionContext()->isWorkerGlobalScope()) | |
| 74 returnValue = V8ScriptRunner::callFunction(callFunction, scriptState
()->executionContext(), thisValue, WTF_ARRAY_LENGTH(parameters), parameters, iso
late()); | |
| 75 else | |
| 76 returnValue = ScriptController::callFunction(scriptState()->executio
nContext(), callFunction, thisValue, WTF_ARRAY_LENGTH(parameters), parameters, i
solate()); | |
| 77 } | |
| 78 return returnValue; | |
| 79 } | |
| 80 | |
| 81 // static | |
| 82 void V8ErrorHandler::storeExceptionOnErrorEventWrapper(ErrorEvent* event, v8::Ha
ndle<v8::Value> data, v8::Handle<v8::Object> creationContext, v8::Isolate* isola
te) | |
| 83 { | |
| 84 v8::Local<v8::Value> wrappedEvent = toV8(event, creationContext, isolate); | |
| 85 if (!wrappedEvent.IsEmpty()) { | |
| 86 ASSERT(wrappedEvent->IsObject()); | |
| 87 V8HiddenValue::setHiddenValue(isolate, v8::Local<v8::Object>::Cast(wrapp
edEvent), V8HiddenValue::error(isolate), data); | |
| 88 } | |
| 89 } | |
| 90 | |
| 91 bool V8ErrorHandler::shouldPreventDefault(v8::Local<v8::Value> returnValue) | |
| 92 { | |
| 93 return returnValue->IsBoolean() && returnValue->BooleanValue(); | |
| 94 } | |
| 95 | |
| 96 } // namespace WebCore | |
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