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78 lines
2.6 KiB
C++
78 lines
2.6 KiB
C++
/* -*- C++ -*-
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This file declares the WeaverObserver class.
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$ Author: Mirko Boehm $
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$ Copyright: (C) 2005-2013 Mirko Boehm $
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$ Contact: mirko@kde.org
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http://www.kde.org
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http://creative-destruction.me $
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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$Id: WeaverObserver.h 32 2005-08-17 08:38:01Z mirko $
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*/
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#ifndef WEAVEROBSERVER_H
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#define WEAVEROBSERVER_H
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#include <QtCore/QObject>
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#include <threadweaver/threadweaver_export.h>
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namespace ThreadWeaver {
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class Job;
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class State;
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class Thread;
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/** Observers provides signals on some Weaver events that are
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otherwise only available through objects of different classes
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(threads, jobs). Usually, access to the signals of those objects
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is not provided through the ThreadWeaver API. Use an observer to receive
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notice, for example, on thread activity.
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Observers are registered through the WeaverInterface API
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(see WeaverInterface::registerObserver).
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To unregister, simply delete the observer.
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Observers are meant to be used within the controlling thread (usually
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the main thread), that creates the Jobs. If this is not the case, be
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aware not to delete Job objects externally that you reference in a
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WeaverObserver implementation.
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*/
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class THREADWEAVER_EXPORT WeaverObserver : public QObject
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{
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Q_OBJECT
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public:
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explicit WeaverObserver ( QObject *parent = 0 );
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virtual ~WeaverObserver();
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Q_SIGNALS:
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void threadStarted ( ThreadWeaver::Thread* );
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void threadBusy( ThreadWeaver::Thread*, ThreadWeaver::Job* );
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void threadSuspended ( ThreadWeaver::Thread* );
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void threadExited ( ThreadWeaver::Thread* );
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void weaverStateChanged ( ThreadWeaver::State* );
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private:
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class Private;
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Private * const d;
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};
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}
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#endif
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