apps/keditbookmarks/bookmarkiterator.cpp

   1 // -*- indent-tabs-mode:nil -*-
   2 // vim: set ts=4 sts=4 sw=4 et:
   3 /* This file is part of the KDE project
   4    Copyright (C) 2000 David Faure <faure@kde.org>
   5    Copyright (C) 2002-2003 Alexander Kellett <lypanov@kde.org>
   6
   7    This program is free software; you can redistribute it and/or
   8    modify it under the terms of the GNU General Public
   9    License version 2 or at your option version 3 as published by
  10    the Free Software Foundation.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15    General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; see the file COPYING.  If not, write to
  19    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  20    Boston, MA 02110-1301, USA.
  21 */
  22
  23 #include "bookmarkiterator.h"
  24
  25 #include "toplevel.h"
  26
  27 #include <kdebug.h>
  28 #include <QtCore/QTimer>
  29 #include <assert.h>
  30
  31 BookmarkIterator::BookmarkIterator(QList<KBookmark> bks) : m_bklist(bks) {
  32     connect(this, SIGNAL( deleteSelf(BookmarkIterator *) ),
  33             SLOT( slotCancelTest(BookmarkIterator *) ));
  34     delayedEmitNextOne();
  35 }
  36
  37 BookmarkIterator::~BookmarkIterator() {
  38     ;
  39 }
  40
  41 void BookmarkIterator::delayedEmitNextOne() {
  42     QTimer::singleShot(1, this, SLOT( nextOne() ));
  43 }
  44
  45 void BookmarkIterator::slotCancelTest(BookmarkIterator *test) {
  46     holder()->removeItr(test);
  47 }
  48
  49 const KBookmark BookmarkIterator::curBk() const {
  50     return m_bk;
  51 }
  52
  53 void BookmarkIterator::nextOne() {
  54     // kDebug() << "BookmarkIterator::nextOne";
  55
  56     if (m_bklist.isEmpty()) {
  57         emit deleteSelf(this);
  58         return;
  59     }
  60
  61     QList<KBookmark>::iterator head = m_bklist.begin();
  62     KBookmark bk = (*head);
  63
  64     bool viable = bk.hasParent() && isApplicable(bk);
  65
  66     if (viable) {
  67         m_bk = bk;
  68         doAction();
  69     }
  70
  71     m_bklist.erase(head);
  72
  73     if (!viable)
  74         delayedEmitNextOne();
  75 }
  76
  77 /* --------------------------- */
  78
  79 BookmarkIteratorHolder::BookmarkIteratorHolder()
  80 {
  81 }
  82
  83 void BookmarkIteratorHolder::insertItr(BookmarkIterator *itr) {
  84     m_itrs.prepend(itr);
  85     doItrListChanged();
  86 }
  87
  88 void BookmarkIteratorHolder::removeItr(BookmarkIterator *itr) {
  89     m_itrs.removeAll(itr);
  90     delete itr;
  91     doItrListChanged();
  92 }
  93
  94 void BookmarkIteratorHolder::cancelAllItrs()
  95 {
  96     qDeleteAll(m_itrs);
  97     m_itrs.clear();
  98     doItrListChanged();
  99 }
 100
 101 #include "bookmarkiterator.moc"