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/*
* Copyright (C) 2012 Intel Corporation. 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 INC. AND ITS 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 APPLE INC. OR ITS 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 WorkQueueManager_h
#define WorkQueueManager_h
#include <wtf/Deque.h>
#include <wtf/OwnPtr.h>
#include <wtf/text/WTFString.h>
namespace WTR {
class WorkQueueManager {
WTF_MAKE_NONCOPYABLE(WorkQueueManager);
public:
WorkQueueManager();
~WorkQueueManager();
bool isWorkQueueEmpty() const { return m_workQueue.isEmpty(); }
void clearWorkQueue();
bool processWorkQueue(); // Returns 'true' if queue is processed (no new loading is started), returns 'false' otherwise.
void queueLoad(const String& url, const String& target);
void queueBackNavigation(unsigned howFarBackward);
void queueReload();
void queueLoadingScript(const String& script);
void queueNonLoadingScript(const String& script);
private:
typedef Deque<OwnPtr<class WorkQueueItem> > WorkQueue;
void enqueue(WorkQueueItem*); // Adopts pointer.
WorkQueue m_workQueue;
bool m_processing;
};
} // namespace WTR
#endif // WorkQueueManager_h
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