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author | Steve Block <steveblock@google.com> | 2011-05-06 11:45:16 +0100 |
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committer | Steve Block <steveblock@google.com> | 2011-05-12 13:44:10 +0100 |
commit | cad810f21b803229eb11403f9209855525a25d57 (patch) | |
tree | 29a6fd0279be608e0fe9ffe9841f722f0f4e4269 /Source/WebCore/workers/WorkerThread.h | |
parent | 121b0cf4517156d0ac5111caf9830c51b69bae8f (diff) | |
download | external_webkit-cad810f21b803229eb11403f9209855525a25d57.zip external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.gz external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.bz2 |
Merge WebKit at r75315: Initial merge by git.
Change-Id: I570314b346ce101c935ed22a626b48c2af266b84
Diffstat (limited to 'Source/WebCore/workers/WorkerThread.h')
-rw-r--r-- | Source/WebCore/workers/WorkerThread.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/Source/WebCore/workers/WorkerThread.h b/Source/WebCore/workers/WorkerThread.h new file mode 100644 index 0000000..e44afce --- /dev/null +++ b/Source/WebCore/workers/WorkerThread.h @@ -0,0 +1,106 @@ +/* + * 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 WorkerThread_h +#define WorkerThread_h + +#if ENABLE(WORKERS) + +#include "WorkerRunLoop.h" +#include <wtf/Forward.h> +#include <wtf/OwnPtr.h> +#include <wtf/PassRefPtr.h> +#include <wtf/RefCounted.h> + +namespace WebCore { + + class KURL; + class NotificationPresenter; + class WorkerContext; + class WorkerLoaderProxy; + class WorkerReportingProxy; + struct WorkerThreadStartupData; + + class WorkerThread : public RefCounted<WorkerThread> { + public: + virtual ~WorkerThread(); + + bool start(); + void stop(); + + ThreadIdentifier threadID() const { return m_threadID; } + WorkerRunLoop& runLoop() { return m_runLoop; } + WorkerLoaderProxy& workerLoaderProxy() const { return m_workerLoaderProxy; } + WorkerReportingProxy& workerReportingProxy() const { return m_workerReportingProxy; } + + // Number of active worker threads. + static unsigned workerThreadCount(); + +#if ENABLE(NOTIFICATIONS) + NotificationPresenter* getNotificationPresenter() { return m_notificationPresenter; } + void setNotificationPresenter(NotificationPresenter* presenter) { m_notificationPresenter = presenter; } +#endif + + protected: + WorkerThread(const KURL&, const String& userAgent, const String& sourceCode, WorkerLoaderProxy&, WorkerReportingProxy&); + + // Factory method for creating a new worker context for the thread. + virtual PassRefPtr<WorkerContext> createWorkerContext(const KURL& url, const String& userAgent) = 0; + + // Executes the event loop for the worker thread. Derived classes can override to perform actions before/after entering the event loop. + virtual void runEventLoop(); + + WorkerContext* workerContext() { return m_workerContext.get(); } + + private: + // Static function executed as the core routine on the new thread. Passed a pointer to a WorkerThread object. + static void* workerThreadStart(void*); + void* workerThread(); + + ThreadIdentifier m_threadID; + WorkerRunLoop m_runLoop; + WorkerLoaderProxy& m_workerLoaderProxy; + WorkerReportingProxy& m_workerReportingProxy; + + RefPtr<WorkerContext> m_workerContext; + Mutex m_threadCreationMutex; + + OwnPtr<WorkerThreadStartupData> m_startupData; + +#if ENABLE(NOTIFICATIONS) + NotificationPresenter* m_notificationPresenter; +#endif + + // Track the number of WorkerThread instances for use in layout tests. + static unsigned m_threadCount; + }; + +} // namespace WebCore + +#endif // ENABLE(WORKERS) + +#endif // WorkerThread_h + |