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/*
* Copyright (C) 2010 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"
#include "bindings/v8/V8ErrorHandler.h"
#include "V8ErrorEvent.h"
#include "bindings/v8/ScriptController.h"
#include "bindings/v8/V8Binding.h"
#include "bindings/v8/V8HiddenPropertyName.h"
#include "bindings/v8/V8ScriptRunner.h"
#include "core/dom/Document.h"
#include "core/dom/ExecutionContext.h"
#include "core/events/ErrorEvent.h"
#include "core/events/ThreadLocalEventNames.h"
#include "core/frame/Frame.h"
namespace WebCore {
V8ErrorHandler::V8ErrorHandler(v8::Local<v8::Object> listener, bool isInline, v8::Isolate* isolate)
: V8EventListener(listener, isInline, isolate)
{
}
v8::Local<v8::Value> V8ErrorHandler::callListenerFunction(ExecutionContext* context, v8::Handle<v8::Value> jsEvent, Event* event)
{
if (!event->hasInterface(EventNames::ErrorEvent))
return V8EventListener::callListenerFunction(context, jsEvent, event);
ErrorEvent* errorEvent = static_cast<ErrorEvent*>(event);
v8::Isolate* isolate = toV8Context(context, world())->GetIsolate();
if (errorEvent->world() && errorEvent->world() != world())
return v8::Null(isolate);
v8::Local<v8::Object> listener = getListenerObject(context);
v8::Local<v8::Value> returnValue;
if (!listener.IsEmpty() && listener->IsFunction()) {
v8::Local<v8::Function> callFunction = v8::Local<v8::Function>::Cast(listener);
v8::Local<v8::Object> thisValue = isolate->GetCurrentContext()->Global();
v8::Local<v8::Value> error = jsEvent->ToObject()->GetHiddenValue(V8HiddenPropertyName::error(isolate));
if (error.IsEmpty())
error = v8::Null(isolate);
v8::Handle<v8::Value> parameters[5] = { v8String(isolate, errorEvent->message()), v8String(isolate, errorEvent->filename()), v8::Integer::New(errorEvent->lineno(), isolate), v8::Integer::New(errorEvent->colno(), isolate), error };
v8::TryCatch tryCatch;
tryCatch.SetVerbose(true);
if (worldType(isolate) == WorkerWorld)
returnValue = V8ScriptRunner::callFunction(callFunction, context, thisValue, WTF_ARRAY_LENGTH(parameters), parameters, isolate);
else
returnValue = ScriptController::callFunction(context, callFunction, thisValue, WTF_ARRAY_LENGTH(parameters), parameters, isolate);
}
return returnValue;
}
// static
void V8ErrorHandler::storeExceptionOnErrorEventWrapper(ErrorEvent* event, v8::Handle<v8::Value> data, v8::Isolate* isolate)
{
v8::Local<v8::Value> wrappedEvent = toV8(event, v8::Handle<v8::Object>(), isolate);
if (!wrappedEvent.IsEmpty()) {
ASSERT(wrappedEvent->IsObject());
v8::Local<v8::Object>::Cast(wrappedEvent)->SetHiddenValue(V8HiddenPropertyName::error(isolate), data);
}
}
bool V8ErrorHandler::shouldPreventDefault(v8::Local<v8::Value> returnValue)
{
return returnValue->IsBoolean() && returnValue->BooleanValue();
}
} // namespace WebCore
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