79 lines
2.4 KiB
C++
79 lines
2.4 KiB
C++
/*
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* This file is part of RawTherapee.
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*
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* Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
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*
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* RawTherapee is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* RawTherapee 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with RawTherapee. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _PROCTHREAD_
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#define _PROCTHREAD_
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#include <gtkmm.h>
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template <class T>
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class ProcessingThread {
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protected:
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bool tostop;
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bool stopped;
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std::list<T> jqueue;
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Glib::Thread* thread;
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bool fifo;
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public:
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ProcessingThread () : tostop(false), stopped(true), fifo(true) {}
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void init () { tostop = false; stopped = true; }
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void add (T de) { jqueue.push_back (de); }
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void removejobs () { while (!jqueue.empty()) jqueue.pop_front (); }
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void stop () { if (stopped) { tostop = true; return; } gdk_threads_leave(); tostop = true; Glib::Thread::self()->yield(); if (!stopped) thread->join (); gdk_threads_enter();}
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virtual void start () {}
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virtual void process (T& e) {}
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virtual void processCustomOrder () {}
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virtual void end () {}
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void process () {
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if (stopped)
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#undef THREAD_PRIORITY_NORMAL
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thread = Glib::Thread::create(sigc::mem_fun(*this, &ProcessingThread::process_), (unsigned long int)0, true, true, Glib::THREAD_PRIORITY_NORMAL);
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}
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void process_ () {
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stopped = false;
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tostop = false;
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start (); // jqueue.sort ();
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while (!tostop && !jqueue.empty ()) {
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if (fifo) {
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T current = jqueue.front ();
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jqueue.pop_front ();
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process (current);
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}
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else
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processCustomOrder ();
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}
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stopped = true;
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end ();
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}
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bool runs () { return !stopped; }
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void terminate () { stop (); removejobs (); }
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int numOfJobs () { return jqueue.size(); }
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};
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#endif
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