void JSWorkerContextErrorHandler::handleEvent(ScriptExecutionContext* scriptExecutionContext, Event* event)
{
ASSERT(scriptExecutionContext);
if (!scriptExecutionContext)
return;
JSLock lock(SilenceAssertionsOnly);
JSObject* jsFunction = this->jsFunction(scriptExecutionContext);
if (!jsFunction)
return;
JSDOMGlobalObject* globalObject = toJSDOMGlobalObject(scriptExecutionContext, isolatedWorld());
if (!globalObject)
return;
ExecState* exec = globalObject->globalExec();
CallData callData;
CallType callType = jsFunction->getCallData(callData);
if (callType != CallTypeNone) {
ref();
Event* savedEvent = globalObject->currentEvent();
globalObject->setCurrentEvent(event);
ASSERT(event->isErrorEvent());
ErrorEvent* errorEvent = static_cast<ErrorEvent*>(event);
MarkedArgumentBuffer args;
args.append(jsString(exec, errorEvent->message()));
args.append(jsString(exec, errorEvent->filename()));
args.append(jsNumber(exec, errorEvent->lineno()));
JSGlobalData* globalData = globalObject->globalData();
DynamicGlobalObjectScope globalObjectScope(exec, globalData->dynamicGlobalObject ? globalData->dynamicGlobalObject : globalObject);
JSValue thisValue = globalObject->toThisObject(exec);
globalData->timeoutChecker.start();
JSValue returnValue = JSC::call(exec, jsFunction, callType, callData, thisValue, args);
globalData->timeoutChecker.stop();
globalObject->setCurrentEvent(savedEvent);
if (exec->hadException())
reportCurrentException(exec);
else {
bool retvalbool;
if (returnValue.getBoolean(retvalbool) && !retvalbool)
event->preventDefault();
}
deref();
}
}
bool JSEventListener::reportError(const String& message, const String& url, int lineNumber)
{
JSLock lock(SilenceAssertionsOnly);
JSObject* jsFunction = this->jsFunction();
if (!jsFunction)
return false;
JSDOMGlobalObject* globalObject = m_globalObject;
if (!globalObject)
return false;
ExecState* exec = globalObject->globalExec();
CallData callData;
CallType callType = jsFunction->getCallData(callData);
if (callType == CallTypeNone)
return false;
MarkedArgumentBuffer args;
args.append(jsString(exec, message));
args.append(jsString(exec, url));
args.append(jsNumber(exec, lineNumber));
// If this event handler is the first JavaScript to execute, then the
// dynamic global object should be set to the global object of the
// window in which the event occurred.
JSGlobalData* globalData = globalObject->globalData();
DynamicGlobalObjectScope globalObjectScope(exec, globalData->dynamicGlobalObject ? globalData->dynamicGlobalObject : globalObject);
JSValue thisValue = globalObject->toThisObject(exec);
globalObject->globalData()->timeoutChecker.start();
JSValue returnValue = call(exec, jsFunction, callType, callData, thisValue, args);
globalObject->globalData()->timeoutChecker.stop();
// If an error occurs while handling the script error, it should be bubbled up.
if (exec->hadException()) {
exec->clearException();
return false;
}
bool bubbleEvent;
return returnValue.getBoolean(bubbleEvent) && !bubbleEvent;
}
bool JSEventListener::reportError(ScriptExecutionContext* context, const String& message, const String& url, int lineNumber)
{
JSLock lock(SilenceAssertionsOnly);
JSObject* jsFunction = this->jsFunction(context);
if (!jsFunction)
return false;
JSDOMGlobalObject* globalObject = toJSDOMGlobalObject(context, m_isolatedWorld.get());
ExecState* exec = globalObject->globalExec();
CallData callData;
CallType callType = jsFunction->getCallData(callData);
if (callType == CallTypeNone)
return false;
MarkedArgumentBuffer args;
args.append(jsString(exec, message));
args.append(jsString(exec, url));
args.append(jsNumber(exec, lineNumber));
JSGlobalData* globalData = globalObject->globalData();
DynamicGlobalObjectScope globalObjectScope(exec, globalData->dynamicGlobalObject ? globalData->dynamicGlobalObject : globalObject);
JSValue thisValue = globalObject->toThisObject(exec);
globalData->timeoutChecker.start();
JSValue returnValue = JSC::call(exec, jsFunction, callType, callData, thisValue, args);
globalData->timeoutChecker.stop();
// If an error occurs while handling the script error, it should be bubbled up.
if (exec->hadException()) {
exec->clearException();
return false;
}
bool bubbleEvent;
return returnValue.getBoolean(bubbleEvent) && !bubbleEvent;
}
void JSEventListener::handleEvent(Event* event, bool isWindowEvent)
{
JSLock lock(SilenceAssertionsOnly);
JSObject* jsFunction = this->jsFunction();
if (!jsFunction)
return;
JSDOMGlobalObject* globalObject = m_globalObject;
// Null check as clearGlobalObject() can clear this and we still get called back by
// xmlhttprequest objects. See http://bugs.webkit.org/show_bug.cgi?id=13275
// FIXME: Is this check still necessary? Requests are supposed to be stopped before clearGlobalObject() is called.
ASSERT(globalObject);
if (!globalObject)
return;
ScriptExecutionContext* scriptExecutionContext = globalObject->scriptExecutionContext();
if (!scriptExecutionContext)
return;
if (scriptExecutionContext->isDocument()) {
JSDOMWindow* window = static_cast<JSDOMWindow*>(globalObject);
Frame* frame = window->impl()->frame();
if (!frame)
return;
// The window must still be active in its frame. See <https://bugs.webkit.org/show_bug.cgi?id=21921>.
// FIXME: A better fix for this may be to change DOMWindow::frame() to not return a frame the detached window used to be in.
if (frame->domWindow() != window->impl())
return;
// FIXME: Is this check needed for other contexts?
ScriptController* script = frame->script();
if (!script->isEnabled() || script->isPaused())
return;
}
ExecState* exec = globalObject->globalExec();
JSValue handleEventFunction = jsFunction->get(exec, Identifier(exec, "handleEvent"));
CallData callData;
CallType callType = handleEventFunction.getCallData(callData);
if (callType == CallTypeNone) {
handleEventFunction = JSValue();
callType = jsFunction->getCallData(callData);
}
if (callType != CallTypeNone) {
ref();
MarkedArgumentBuffer args;
args.append(toJS(exec, globalObject, event));
Event* savedEvent = globalObject->currentEvent();
globalObject->setCurrentEvent(event);
// If this event handler is the first JavaScript to execute, then the
// dynamic global object should be set to the global object of the
// window in which the event occurred.
JSGlobalData* globalData = globalObject->globalData();
DynamicGlobalObjectScope globalObjectScope(exec, globalData->dynamicGlobalObject ? globalData->dynamicGlobalObject : globalObject);
JSValue retval;
if (handleEventFunction) {
globalObject->globalData()->timeoutChecker.start();
retval = call(exec, handleEventFunction, callType, callData, jsFunction, args);
} else {
JSValue thisValue;
if (isWindowEvent)
thisValue = globalObject->toThisObject(exec);
else
thisValue = toJS(exec, globalObject, event->currentTarget());
globalObject->globalData()->timeoutChecker.start();
retval = call(exec, jsFunction, callType, callData, thisValue, args);
}
globalObject->globalData()->timeoutChecker.stop();
globalObject->setCurrentEvent(savedEvent);
if (exec->hadException())
reportCurrentException(exec);
else {
if (!retval.isUndefinedOrNull() && event->storesResultAsString())
event->storeResult(retval.toString(exec));
if (m_isAttribute) {
bool retvalbool;
if (retval.getBoolean(retvalbool) && !retvalbool)
event->preventDefault();
}
}
if (scriptExecutionContext->isDocument())
Document::updateStyleForAllDocuments();
deref();
}
}