src/viewpropsapplier.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Peter Penz                                      *
   3  *   peter.penz@gmx.at                                                     *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20
  21 #include "viewpropsapplier.h"
  22 #include "viewproperties.h"
  23
  24 #include <assert.h>
  25 #include <kurl.h>
  26 #include <kfileitem.h>
  27
  28 ViewPropsApplier::ViewPropsApplier(const KUrl& dir, const ViewProperties* viewProps)
  29 {
  30     m_rootData = new RootData();
  31     m_rootData->refCount = 0;
  32     m_rootData->viewProps = viewProps;
  33     m_rootData->rootApplier = this;
  34
  35     start(dir);
  36 }
  37
  38 ViewPropsApplier::~ViewPropsApplier()
  39 {
  40     assert(m_rootData != 0);
  41     if (m_rootData->refCount == 0) {
  42         m_rootData->rootApplier->emitCompleted();
  43         delete m_rootData;
  44         m_rootData = 0;
  45     }
  46
  47     delete m_dirLister;
  48     m_dirLister = 0;
  49 }
  50
  51 void ViewPropsApplier::slotCompleted(const KUrl& /*dir*/)
  52 {
  53     QTimer::singleShot(0, this, SLOT(countSubDirs()));
  54 }
  55
  56 void ViewPropsApplier::countSubDirs()
  57 {
  58     KFileItemList list = m_dirLister->items();
  59     const int dirCount = list.count();
  60     if (dirCount > 0) {
  61         m_rootData->rootApplier->emitProgress(m_dirLister->url(), dirCount);
  62
  63         KFileItemList::const_iterator end = list.end();
  64         for (KFileItemList::const_iterator it = list.begin(); it != end; ++it) {
  65             assert((*it)->isDir());
  66             const KUrl& subDir = (*it)->url();
  67             if (m_rootData->viewProps != 0) {
  68                 // TODO: provide copy constructor in ViewProperties
  69                 ViewProperties props(subDir);
  70                 props.setViewMode(m_rootData->viewProps->viewMode());
  71                 props.setShowHiddenFilesEnabled(m_rootData->viewProps->sorting());
  72                 props.setSorting(m_rootData->viewProps->sorting());
  73                 props.setSortOrder(m_rootData->viewProps->sortOrder());
  74             }
  75             new ViewPropsApplier(subDir, m_rootData);
  76         }
  77     }
  78
  79     --(m_rootData->refCount);
  80     if ((m_rootData->refCount == 0) || (m_rootData->rootApplier != this)) {
  81         delete this;
  82     }
  83 }
  84
  85 ViewPropsApplier::ViewPropsApplier(const KUrl& dir,
  86                                    RootData* rootData)
  87 {
  88     m_rootData = rootData;
  89     assert(m_rootData != 0);
  90     start(dir);
  91 }
  92
  93 void ViewPropsApplier::start(const KUrl& dir)
  94 {
  95     m_dirLister = new KDirLister();
  96     m_dirLister->setDirOnlyMode(true);
  97     m_dirLister->setAutoUpdate(false);
  98     connect(m_dirLister, SIGNAL(completed(const KUrl&)),
  99             this, SLOT(slotCompleted(const KUrl&)));
 100     m_dirLister->openUrl(dir);
 101     ++(m_rootData->refCount);
 102 }
 103
 104 void ViewPropsApplier::emitProgress(const KUrl& dir, int count)
 105 {
 106     emit progress(dir, count);
 107 }
 108
 109 void ViewPropsApplier::emitCompleted()
 110 {
 111     emit completed();
 112 }
 113
 114 #include "viewpropsapplier.moc"