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87 lines
2.4 KiB
C++
87 lines
2.4 KiB
C++
/* ASE - Allegro Sprite Editor
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* Copyright (C) 2001-2010 David Capello
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*
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* This program 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 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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 this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef CORE_JOB_H_INCLUDED
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#define CORE_JOB_H_INCLUDED
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namespace base { class thread; }
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class Frame;
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class Mutex;
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class Progress;
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struct Monitor;
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class Job
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{
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public:
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Job(const char* job_name);
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virtual ~Job();
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// Starts the job calling onJob() event in another thread and
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// monitoring the progress with onMonitorTick() event.
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void startJob();
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// The onJob() can use this function to report progress of the
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// background job being done. 1.0 is completed.
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void jobProgress(float f);
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// Returns true if the job was canceled by the user (in case he
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// pressed a "Cancel" button in the GUI). The onJob() thread should
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// check this variable periodically to stop working.
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bool isCanceled();
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protected:
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// This member function is called from another dedicated thread
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// outside the GUI one, so you can do some image processing here.
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// Remember that you cannot use any GUI element in this handler.
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virtual void onJob();
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// Called each 1000 msecs by the GUI queue processing.
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// It is executed from the main GUI thread.
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virtual void onMonitorTick();
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// Called when the monitor is destroyed. It is executed from the
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// main GUI thread.
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virtual void onMonitorDestroyed();
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private:
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void done();
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static void thread_proc(Job* self);
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static void monitor_proc(void* data);
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static void monitor_free(void* data);
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base::thread* m_thread;
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Monitor* m_monitor;
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Progress* m_progress;
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Mutex* m_mutex;
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Frame* m_alert_window;
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float m_last_progress;
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bool m_done_flag;
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bool m_canceled_flag;
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// these methods are privated and not defined
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Job();
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Job(const Job&);
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Job& operator==(const Job&);
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};
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#endif
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