src/views/dolphinremoteencoding.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2009 by Rahman Duran <rahman.duran@gmail.com>           *
   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  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  18  ***************************************************************************/
  19
  20  /*
  21  * This code is largely based on the kremoteencodingplugin
  22  * Copyright (c) 2003 Thiago Macieira <thiago.macieira@kdemail.net>
  23  * Distributed under the same terms.
  24  */
  25
  26 #include "dolphinremoteencoding.h"
  27 #include "dolphinviewactionhandler.h"
  28
  29 #include <KDebug>
  30 #include <KActionMenu>
  31 #include <KActionCollection>
  32 #include <QIcon>
  33 #include <KLocalizedString>
  34 #include <KGlobal>
  35 #include <KMimeType>
  36 #include <KConfig>
  37 #include <KCharsets>
  38 #include <QMenu>
  39 #include <KProtocolInfo>
  40 #include <KProtocolManager>
  41 #include <KIO/Scheduler>
  42 #include <KConfigGroup>
  43
  44 #define DATA_KEY        QLatin1String("Charset")
  45
  46 DolphinRemoteEncoding::DolphinRemoteEncoding(QObject* parent, DolphinViewActionHandler* actionHandler)
  47    :QObject(parent),
  48     m_actionHandler(actionHandler),
  49     m_loaded(false),
  50     m_idDefault(0)
  51 {
  52     m_menu = new KActionMenu(QIcon::fromTheme("character-set"), i18n("Select Remote Charset"), this);
  53     m_actionHandler->actionCollection()->addAction("change_remote_encoding", m_menu);
  54     connect(m_menu->menu(), &QMenu::aboutToShow,
  55           this, &DolphinRemoteEncoding::slotAboutToShow);
  56
  57     m_menu->setEnabled(false);
  58     m_menu->setDelayed(false);
  59 }
  60
  61 DolphinRemoteEncoding::~DolphinRemoteEncoding()
  62 {
  63 }
  64
  65 void DolphinRemoteEncoding::slotReload()
  66 {
  67     loadSettings();
  68 }
  69
  70 void DolphinRemoteEncoding::loadSettings()
  71 {
  72     m_loaded = true;
  73     m_encodingDescriptions = KCharsets::charsets()->descriptiveEncodingNames();
  74
  75     fillMenu();
  76 }
  77
  78 void DolphinRemoteEncoding::slotAboutToOpenUrl()
  79 {
  80     KUrl oldURL = m_currentURL;
  81     m_currentURL = m_actionHandler->currentView()->url();
  82
  83     if (m_currentURL.protocol() != oldURL.protocol()) {
  84         // This plugin works on ftp, fish, etc.
  85         // everything whose type is T_FILESYSTEM except for local files
  86         if (!m_currentURL.isLocalFile() &&
  87             KProtocolManager::outputType(m_currentURL) == KProtocolInfo::T_FILESYSTEM) {
  88
  89             m_menu->setEnabled(true);
  90             loadSettings();
  91         } else {
  92             m_menu->setEnabled(false);
  93         }
  94         return;
  95     }
  96
  97     if (m_currentURL.host() != oldURL.host()) {
  98         updateMenu();
  99     }
 100 }
 101
 102 void DolphinRemoteEncoding::fillMenu()
 103 {
 104     QMenu* menu = m_menu->menu();
 105     menu->clear();
 106
 107
 108     for (int i = 0; i < m_encodingDescriptions.size();i++) {
 109         QAction* action = new QAction(m_encodingDescriptions.at(i), this);
 110         action->setCheckable(true);
 111         action->setData(i);
 112         menu->addAction(action);
 113     }
 114     menu->addSeparator();
 115
 116     menu->addAction(i18n("Reload"), this, SLOT(slotReload()), 0);
 117     menu->addAction(i18n("Default"), this, SLOT(slotDefault()), 0)->setCheckable(true);
 118     m_idDefault = m_encodingDescriptions.size() + 2;
 119
 120     connect(menu, &QMenu::triggered, this, &DolphinRemoteEncoding::slotItemSelected);
 121 }
 122
 123 void DolphinRemoteEncoding::updateMenu()
 124 {
 125     if (!m_loaded) {
 126         loadSettings();
 127     }
 128
 129     // uncheck everything
 130     for (int i =  0; i < m_menu->menu()->actions().count(); i++) {
 131         m_menu->menu()->actions().at(i)->setChecked(false);
 132     }
 133
 134     const QString charset = KCharsets::charsets()->descriptionForEncoding(KProtocolManager::charsetFor(m_currentURL));
 135     if (!charset.isEmpty()) {
 136         int id = 0;
 137         bool isFound = false;
 138         for (int i = 0; i < m_encodingDescriptions.size(); i++) {
 139             if (m_encodingDescriptions.at(i) == charset) {
 140                 isFound = true;
 141                 id = i;
 142                 break;
 143             }
 144         }
 145
 146         kDebug() << "URL=" << m_currentURL << " charset=" << charset;
 147
 148         if (!isFound) {
 149             kWarning() << "could not find entry for charset=" << charset ;
 150         } else {
 151             m_menu->menu()->actions().at(id)->setChecked(true);
 152         }
 153     } else {
 154         m_menu->menu()->actions().at(m_idDefault)->setChecked(true);
 155     }
 156
 157 }
 158
 159 void DolphinRemoteEncoding::slotAboutToShow()
 160 {
 161     if (!m_loaded) {
 162         loadSettings();
 163     }
 164     updateMenu();
 165 }
 166
 167 void DolphinRemoteEncoding::slotItemSelected(QAction* action)
 168 {
 169     if (action) {
 170         int id = action->data().toInt();
 171
 172         KConfig config(("kio_" + m_currentURL.protocol() + "rc").toLatin1());
 173         QString host = m_currentURL.host();
 174         if (m_menu->menu()->actions().at(id)->isChecked()) {
 175             QString charset = KCharsets::charsets()->encodingForName(m_encodingDescriptions.at(id));
 176             KConfigGroup cg(&config, host);
 177             cg.writeEntry(DATA_KEY, charset);
 178             config.sync();
 179
 180             // Update the io-slaves...
 181             updateView();
 182         }
 183     }
 184 }
 185
 186 void DolphinRemoteEncoding::slotDefault()
 187 {
 188     // We have no choice but delete all higher domain level
 189     // settings here since it affects what will be matched.
 190     KConfig config(("kio_" + m_currentURL.protocol() + "rc").toLatin1());
 191
 192     QStringList partList = m_currentURL.host().split('.', QString::SkipEmptyParts);
 193     if (!partList.isEmpty()) {
 194         partList.erase(partList.begin());
 195
 196         QStringList domains;
 197         // Remove the exact name match...
 198         domains << m_currentURL.host();
 199
 200         while (!partList.isEmpty()) {
 201             if (partList.count() == 2) {
 202                 if (partList[0].length() <= 2 && partList[1].length() == 2) {
 203                     break;
 204                 }
 205             }
 206
 207             if (partList.count() == 1) {
 208                 break;
 209             }
 210
 211             domains << partList.join(".");
 212             partList.erase(partList.begin());
 213         }
 214
 215         for (QStringList::const_iterator it = domains.constBegin(); it != domains.constEnd();++it) {
 216             kDebug() << "Domain to remove: " << *it;
 217             if (config.hasGroup(*it)) {
 218                 config.deleteGroup(*it);
 219             } else if (config.group("").hasKey(*it)) {
 220                 config.group("").deleteEntry(*it); //don't know what group name is supposed to be XXX
 221             }
 222         }
 223     }
 224     config.sync();
 225
 226     // Update the io-slaves.
 227     updateView();
 228 }
 229
 230 void DolphinRemoteEncoding::updateView()
 231 {
 232     KIO::Scheduler::emitReparseSlaveConfiguration();
 233     // Reload the page with the new charset
 234     m_actionHandler->currentView()->setUrl(m_currentURL);
 235     m_actionHandler->currentView()->reload();
 236 }
 237