88 lines
2.8 KiB
C++
88 lines
2.8 KiB
C++
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/*
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* Copyright (C) 2015 Jolla Ltd.
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* Contact: Slava Monich <slava.monich@jolla.com>
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*
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* You may use this file under the terms of the BSD license as follows:
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Nemo Mobile nor the names of its contributors
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* may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "BooksTaskQueue.h"
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#include "BooksTask.h"
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#include "HarbourDebug.h"
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static weak_ptr<BooksTaskQueue> booksTaskQueueInstance;
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shared_ptr<BooksTaskQueue> BooksTaskQueue::instance()
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{
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shared_ptr<BooksTaskQueue> worker;
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if (booksTaskQueueInstance.isNull()) {
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booksTaskQueueInstance = (worker = new BooksTaskQueue());
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} else {
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worker = booksTaskQueueInstance;
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}
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return worker;
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}
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BooksTaskQueue::BooksTaskQueue() :
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iPool(new QThreadPool)
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{
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HDEBUG("created");
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iPool->setMaxThreadCount(1);
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}
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void BooksTaskQueue::waitForDone(int aMsecs)
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{
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shared_ptr<BooksTaskQueue> worker = booksTaskQueueInstance;
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if (!worker.isNull()) {
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worker->iPool->waitForDone(aMsecs);
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}
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}
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BooksTaskQueue::~BooksTaskQueue()
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{
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HDEBUG("deleting");
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iPool->waitForDone();
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delete iPool;
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HDEBUG("deleted");
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}
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void BooksTaskQueue::submit(BooksTask* aTask)
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{
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HASSERT(!aTask->iStarted);
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aTask->iStarted = true;
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iPool->start(aTask);
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}
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void BooksTaskQueue::submit(BooksTask* aTask, QObject* aTarget,
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const char* aSlot)
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{
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QObject::connect(aTask, SIGNAL(done()), aTarget, aSlot);
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submit(aTask);
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}
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