--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/bindings/js/ScheduledAction.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,155 @@
+/*
+ *  Copyright (C) 2000 Harri Porten (porten@kde.org)
+ *  Copyright (C) 2006 Jon Shier (jshier@iastate.edu)
+ *  Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reseved.
+ *  Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
+ *  Copyright (C) 2009 Google Inc. All rights reseved.
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301
+ *  USA
+ */
+
+#include "config.h"
+#include "ScheduledAction.h"
+
+#include "DOMWindow.h"
+#include "Document.h"
+#include "Frame.h"
+#include "FrameLoader.h"
+#include "JSDOMBinding.h"
+#include "JSDOMWindow.h"
+#include "JSMainThreadExecState.h"
+#include "ScriptController.h"
+#include "ScriptExecutionContext.h"
+#include "ScriptSourceCode.h"
+#include "ScriptValue.h"
+#include <runtime/JSLock.h>
+
+#if ENABLE(WORKERS)
+#include "JSWorkerContext.h"
+#include "WorkerContext.h"
+#include "WorkerThread.h"
+#endif
+
+using namespace JSC;
+
+namespace WebCore {
+
+PassOwnPtr<ScheduledAction> ScheduledAction::create(ExecState* exec, DOMWrapperWorld* isolatedWorld)
+{
+    JSValue v = exec->argument(0);
+    CallData callData;
+    if (getCallData(v, callData) == CallTypeNone) {
+        UString string = v.toString(exec);
+        if (exec->hadException())
+            return 0;
+        return new ScheduledAction(ustringToString(string), isolatedWorld);
+    }
+
+    return new ScheduledAction(exec, v, isolatedWorld);
+}
+
+ScheduledAction::ScheduledAction(ExecState* exec, JSValue function, DOMWrapperWorld* isolatedWorld)
+    : m_function(function)
+    , m_isolatedWorld(isolatedWorld)
+{
+    // setTimeout(function, interval, arg0, arg1...).
+    // Start at 2 to skip function and interval.
+    for (size_t i = 2; i < exec->argumentCount(); ++i)
+        m_args.append(exec->argument(i));
+}
+
+void ScheduledAction::execute(ScriptExecutionContext* context)
+{
+    if (context->isDocument())
+        execute(static_cast<Document*>(context));
+#if ENABLE(WORKERS)
+    else {
+        ASSERT(context->isWorkerContext());
+        execute(static_cast<WorkerContext*>(context));
+    }
+#else
+    ASSERT(context->isDocument());
+#endif
+}
+
+void ScheduledAction::executeFunctionInContext(JSGlobalObject* globalObject, JSValue thisValue, ScriptExecutionContext* context)
+{
+    ASSERT(m_function);
+    JSLock lock(SilenceAssertionsOnly);
+
+    CallData callData;
+    CallType callType = getCallData(m_function.get(), callData);
+    if (callType == CallTypeNone)
+        return;
+
+    ExecState* exec = globalObject->globalExec();
+
+    MarkedArgumentBuffer args;
+    size_t size = m_args.size();
+    for (size_t i = 0; i < size; ++i)
+        args.append(m_args[i]);
+
+    globalObject->globalData()->timeoutChecker.start();
+    if (context->isDocument())
+        JSMainThreadExecState::call(exec, m_function, callType, callData, thisValue, args);
+    else
+        JSC::call(exec, m_function, callType, callData, thisValue, args);
+    globalObject->globalData()->timeoutChecker.stop();
+
+    if (exec->hadException())
+        reportCurrentException(exec);
+}
+
+void ScheduledAction::execute(Document* document)
+{
+    JSDOMWindow* window = toJSDOMWindow(document->frame(), m_isolatedWorld.get());
+    if (!window)
+        return;
+
+    RefPtr<Frame> frame = window->impl()->frame();
+    if (!frame || !frame->script()->canExecuteScripts(AboutToExecuteScript))
+        return;
+
+    frame->script()->setProcessingTimerCallback(true);
+
+    if (m_function) {
+        executeFunctionInContext(window, window->shell(), document);
+        Document::updateStyleForAllDocuments();
+    } else
+        frame->script()->executeScriptInWorld(m_isolatedWorld.get(), m_code);
+
+    frame->script()->setProcessingTimerCallback(false);
+}
+
+#if ENABLE(WORKERS)
+void ScheduledAction::execute(WorkerContext* workerContext)
+{
+    // In a Worker, the execution should always happen on a worker thread.
+    ASSERT(workerContext->thread()->threadID() == currentThread());
+
+    WorkerScriptController* scriptController = workerContext->script();
+
+    if (m_function) {
+        JSWorkerContext* contextWrapper = scriptController->workerContextWrapper();
+        executeFunctionInContext(contextWrapper, contextWrapper, workerContext);
+    } else {
+        ScriptSourceCode code(m_code, workerContext->url());
+        scriptController->evaluate(code);
+    }
+}
+#endif // ENABLE(WORKERS)
+
+} // namespace WebCore