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author | Feng Qian <> | 2009-04-10 18:11:29 -0700 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2009-04-10 18:11:29 -0700 |
commit | 8f72e70a9fd78eec56623b3a62e68f16b7b27e28 (patch) | |
tree | 181bf9a400c30a1bf34ea6d72560e8d00111d549 /WebCore/workers/WorkerContext.h | |
parent | 7ed56f225e0ade046e1c2178977f72b2d896f196 (diff) | |
download | external_webkit-8f72e70a9fd78eec56623b3a62e68f16b7b27e28.zip external_webkit-8f72e70a9fd78eec56623b3a62e68f16b7b27e28.tar.gz external_webkit-8f72e70a9fd78eec56623b3a62e68f16b7b27e28.tar.bz2 |
AI 145796: Land the WebKit merge @r42026.
Automated import of CL 145796
Diffstat (limited to 'WebCore/workers/WorkerContext.h')
-rw-r--r-- | WebCore/workers/WorkerContext.h | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/WebCore/workers/WorkerContext.h b/WebCore/workers/WorkerContext.h new file mode 100644 index 0000000..39a5b9b --- /dev/null +++ b/WebCore/workers/WorkerContext.h @@ -0,0 +1,134 @@ +/* + * Copyright (C) 2008 Apple 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: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * + * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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. + * + */ + +#ifndef WorkerContext_h +#define WorkerContext_h + +#if ENABLE(WORKERS) + +#include "AtomicStringHash.h" +#include "EventListener.h" +#include "EventTarget.h" +#include "ScriptExecutionContext.h" +#include "WorkerScriptController.h" +#include <wtf/OwnPtr.h> +#include <wtf/PassRefPtr.h> +#include <wtf/RefCounted.h> +#include <wtf/RefPtr.h> + +namespace WebCore { + + class ScheduledAction; + class WorkerLocation; + class WorkerNavigator; + class WorkerThread; + + class WorkerContext : public RefCounted<WorkerContext>, public ScriptExecutionContext, public EventTarget { + public: + static PassRefPtr<WorkerContext> create(const KURL& url, const String& userAgent, WorkerThread* thread) + { + return adoptRef(new WorkerContext(url, userAgent, thread)); + } + + virtual ~WorkerContext(); + + virtual bool isWorkerContext() const { return true; } + + virtual ScriptExecutionContext* scriptExecutionContext() const; + + const KURL& url() const { return m_url; } + KURL completeURL(const String&) const; + + virtual String userAgent(const KURL&) const; + + WorkerLocation* location() const { return m_location.get(); } + WorkerNavigator* navigator() const; + + WorkerScriptController* script() { return m_script.get(); } + void clearScript() { return m_script.clear(); } + WorkerThread* thread() { return m_thread; } + + bool hasPendingActivity() const; + + virtual void reportException(const String& errorMessage, int lineNumber, const String& sourceURL); + virtual void addMessage(MessageDestination, MessageSource, MessageLevel, const String& message, unsigned lineNumber, const String& sourceURL); + virtual void resourceRetrievedByXMLHttpRequest(unsigned long identifier, const ScriptString& sourceString); + virtual void scriptImported(unsigned long identifier, const String& sourceString); + + virtual WorkerContext* toWorkerContext() { return this; } + + void postMessage(const String& message); + virtual void postTask(PassRefPtr<Task>); // Executes the task on context's thread asynchronously. + + int installTimeout(ScheduledAction*, int timeout, bool singleShot); + void removeTimeout(int timeoutId); + + void dispatchMessage(const String&); + + virtual void addEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, bool useCapture); + virtual void removeEventListener(const AtomicString& eventType, EventListener*, bool useCapture); + virtual bool dispatchEvent(PassRefPtr<Event>, ExceptionCode&); + + void setOnmessage(PassRefPtr<EventListener> eventListener) { m_onmessageListener = eventListener; } + EventListener* onmessage() const { return m_onmessageListener.get(); } + + typedef Vector<RefPtr<EventListener> > ListenerVector; + typedef HashMap<AtomicString, ListenerVector> EventListenersMap; + EventListenersMap& eventListeners() { return m_eventListeners; } + + void importScripts(const Vector<String>& urls, const String& callerURL, int callerLine, ExceptionCode&); + + using RefCounted<WorkerContext>::ref; + using RefCounted<WorkerContext>::deref; + + private: + virtual void refScriptExecutionContext() { ref(); } + virtual void derefScriptExecutionContext() { deref(); } + virtual void refEventTarget() { ref(); } + virtual void derefEventTarget() { deref(); } + + WorkerContext(const KURL&, const String&, WorkerThread*); + + virtual const KURL& virtualURL() const; + virtual KURL virtualCompleteURL(const String&) const; + + KURL m_url; + String m_userAgent; + RefPtr<WorkerLocation> m_location; + mutable RefPtr<WorkerNavigator> m_navigator; + + OwnPtr<WorkerScriptController> m_script; + WorkerThread* m_thread; + + RefPtr<EventListener> m_onmessageListener; + EventListenersMap m_eventListeners; + }; + +} // namespace WebCore + +#endif // ENABLE(WORKERS) + +#endif // WorkerContext_h |