okular/core/pagecontroller.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2007 by Pino Toscano <pino@kde.org>                     *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  ***************************************************************************/
   9
  10 #include "pagecontroller_p.h"
  11
  12 // qt/kde includes
  13 #include <kglobal.h>
  14 #include <threadweaver/ThreadWeaver.h>
  15
  16 // local includes
  17 #include "page_p.h"
  18 #include "rotationjob_p.h"
  19
  20 K_GLOBAL_STATIC( Okular::PageController, page_controller_self )
  21
  22 using namespace Okular;
  23
  24 PageController::PageController()
  25   : QObject()
  26 {
  27 }
  28
  29 PageController::~PageController()
  30 {
  31 }
  32
  33 PageController * PageController::self()
  34 {
  35     return page_controller_self;
  36 }
  37
  38 void PageController::addRotationJob(RotationJob *job)
  39 {
  40     initWeaver();
  41     ThreadWeaver::Weaver::instance()->enqueue(job);
  42 }
  43
  44 void PageController::imageRotationDone(ThreadWeaver::Job *j)
  45 {
  46     RotationJob *job = qobject_cast< RotationJob * >(j);
  47
  48     if ( !job )
  49         return;
  50
  51     if ( job->page() )
  52     {
  53         job->page()->imageRotationDone( job );
  54
  55         emit rotationFinished( job->page()->m_number );
  56     }
  57
  58     job->deleteLater();
  59 }
  60
  61 void PageController::initWeaver()
  62 {
  63     static bool weaverInited = false;
  64     if ( weaverInited )
  65         return;
  66
  67     connect( ThreadWeaver::Weaver::instance(), SIGNAL( jobDone(ThreadWeaver::Job*) ),
  68              this, SLOT( imageRotationDone(ThreadWeaver::Job*) ) );
  69
  70     weaverInited = true;
  71 }
  72
  73 #include "pagecontroller_p.moc"