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Diffstat (limited to 'WebCore/bindings/js/JSWorkerContextErrorHandler.cpp')
-rw-r--r-- | WebCore/bindings/js/JSWorkerContextErrorHandler.cpp | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/WebCore/bindings/js/JSWorkerContextErrorHandler.cpp b/WebCore/bindings/js/JSWorkerContextErrorHandler.cpp new file mode 100644 index 0000000..ad3f5ec --- /dev/null +++ b/WebCore/bindings/js/JSWorkerContextErrorHandler.cpp @@ -0,0 +1,116 @@ +/* + * 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" + +#if ENABLE(WORKERS) + +#include "JSWorkerContextErrorHandler.h" + +#include "ErrorEvent.h" +#include "Event.h" +#include "JSEvent.h" +#include <runtime/JSLock.h> + +using namespace JSC; + +namespace WebCore { + +JSWorkerContextErrorHandler::JSWorkerContextErrorHandler(JSObject* function, JSObject* wrapper, bool isAttribute, DOMWrapperWorld* isolatedWorld) + : JSEventListener(function, wrapper, isAttribute, isolatedWorld) +{ +} + +JSWorkerContextErrorHandler::~JSWorkerContextErrorHandler() +{ +} + +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(); + } +} + +} // namespace WebCore + +#endif // ENABLE(WORKERS) |