2 * Copyright (C) 2010 Google Inc. All rights reserved.
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5 * modification, are permitted provided that the following conditions are
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9 * notice, this list of conditions and the following disclaimer.
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11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
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16 * this software without specific prior written permission.
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21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 #include "JSErrorHandler.h"
35 #include "ErrorEvent.h"
38 #include <runtime/JSLock.h>
44 JSErrorHandler::JSErrorHandler(JSObject* function, JSObject* wrapper, bool isAttribute, DOMWrapperWorld* isolatedWorld)
45 : JSEventListener(function, wrapper, isAttribute, isolatedWorld)
49 JSErrorHandler::~JSErrorHandler()
53 void JSErrorHandler::handleEvent(ScriptExecutionContext* scriptExecutionContext, Event* event)
55 if (!event->isErrorEvent())
56 return JSEventListener::handleEvent(scriptExecutionContext, event);
58 ASSERT(scriptExecutionContext);
59 if (!scriptExecutionContext)
62 ErrorEvent* errorEvent = static_cast<ErrorEvent*>(event);
64 JSLock lock(SilenceAssertionsOnly);
66 JSObject* jsFunction = this->jsFunction(scriptExecutionContext);
70 JSDOMGlobalObject* globalObject = toJSDOMGlobalObject(scriptExecutionContext, isolatedWorld());
74 ExecState* exec = globalObject->globalExec();
77 CallType callType = jsFunction->getCallData(callData);
79 if (callType != CallTypeNone) {
80 RefPtr<JSErrorHandler> protectedctor(this);
82 Event* savedEvent = globalObject->currentEvent();
83 globalObject->setCurrentEvent(event);
85 MarkedArgumentBuffer args;
86 args.append(jsString(exec, errorEvent->message()));
87 args.append(jsString(exec, errorEvent->filename()));
88 args.append(jsNumber(errorEvent->lineno()));
90 JSGlobalData& globalData = globalObject->globalData();
91 DynamicGlobalObjectScope globalObjectScope(globalData, globalData.dynamicGlobalObject ? globalData.dynamicGlobalObject : globalObject);
93 JSValue thisValue = globalObject->toThisObject(exec);
95 globalData.timeoutChecker.start();
96 JSValue returnValue = JSC::call(exec, jsFunction, callType, callData, thisValue, args);
97 globalData.timeoutChecker.stop();
99 globalObject->setCurrentEvent(savedEvent);
101 if (exec->hadException())
102 reportCurrentException(exec);
105 if (returnValue.getBoolean(retvalbool) && retvalbool)
106 event->preventDefault();
111 } // namespace WebCore