src/trash/dolphintrash.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2012 by Peter Penz <peter.penz19@gmail.com>             *
   3  *   Copyright (C) 2018 by Roman Inflianskas <infroma@gmail.com>           *
   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  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20
  21 #include "dolphintrash.h"
  22
  23 #include <KIO/JobUiDelegate>
  24 #include <KJobWidgets>
  25 #include <QList>
  26 #include <KNotification>
  27 #include <KConfig>
  28 #include <KConfigGroup>
  29
  30
  31 Trash::Trash()
  32     : m_trashDirLister(new KDirLister())
  33 {
  34     // The trash icon must always be updated dependent on whether
  35     // the trash is empty or not. We use a KDirLister that automatically
  36     // watches for changes if the number of items has been changed.
  37     m_trashDirLister->setAutoErrorHandlingEnabled(false, nullptr);
  38     m_trashDirLister->setDelayedMimeTypes(true);
  39     auto trashDirContentChanged = [this]() {
  40         bool isTrashEmpty = m_trashDirLister->items().isEmpty();
  41         emit emptinessChanged(isTrashEmpty);
  42     };
  43     connect(m_trashDirLister, static_cast<void(KDirLister::*)()>(&KDirLister::completed), this, trashDirContentChanged);
  44     m_trashDirLister->openUrl(QStringLiteral("trash:/"));
  45 }
  46
  47 Trash::~Trash()
  48 {
  49     delete m_trashDirLister;
  50 }
  51
  52 Trash &Trash::instance()
  53 {
  54     static Trash result;
  55     return result;
  56 }
  57
  58 KIO::Job *Trash::empty(QWidget *window)
  59 {
  60     KIO::JobUiDelegate uiDelegate;
  61     uiDelegate.setWindow(window);
  62     bool confirmed = uiDelegate.askDeleteConfirmation(QList<QUrl>(), KIO::JobUiDelegate::EmptyTrash, KIO::JobUiDelegate::DefaultConfirmation);
  63     if (confirmed) {
  64         KIO::Job* job = KIO::emptyTrash();
  65         KJobWidgets::setWindow(job, window);
  66         job->uiDelegate()->setAutoErrorHandlingEnabled(true);
  67          // as long as KIO doesn't do this, do it ourselves
  68         connect(job, &KIO::Job::result, [](){
  69             KNotification::event(QStringLiteral("Trash: emptied"), QString(), QPixmap(), nullptr, KNotification::DefaultEvent);
  70         });
  71         return job;
  72     }
  73     return nullptr;
  74 }
  75
  76 bool Trash::isEmpty()
  77 {
  78     KConfig trashConfig(QStringLiteral("trashrc"), KConfig::SimpleConfig);
  79     return (trashConfig.group("Status").readEntry("Empty", true));
  80 }
  81