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 "dolphindebug.h"
  30 #include <KActionMenu>
  31 #include <KActionCollection>
  32 #include <KConfig>
  33 #include <KCharsets>
  34 #include <QMenu>
  35 #include <KProtocolInfo>
  36 #include <KProtocolManager>
  37 #include <KIO/Scheduler>
  38 #include <KConfigGroup>
  39 #include <KLocalizedString>
  40
  41 #define DATA_KEY        QStringLiteral("Charset")
  42
  43 DolphinRemoteEncoding::DolphinRemoteEncoding(QObject* parent, DolphinViewActionHandler* actionHandler)
  44    :QObject(parent),
  45     m_actionHandler(actionHandler),
  46     m_loaded(false),
  47     m_idDefault(0)
  48 {
  49     m_menu = new KActionMenu(QIcon::fromTheme(QStringLiteral("character-set")), i18n("Select Remote Charset"), this);
  50     m_actionHandler->actionCollection()->addAction(QStringLiteral("change_remote_encoding"), m_menu);
  51     connect(m_menu->menu(), &QMenu::aboutToShow,
  52           this, &DolphinRemoteEncoding::slotAboutToShow);
  53
  54     m_menu->setEnabled(false);
  55     m_menu->setDelayed(false);
  56 }
  57
  58 DolphinRemoteEncoding::~DolphinRemoteEncoding()
  59 {
  60 }
  61
  62 void DolphinRemoteEncoding::slotReload()
  63 {
  64     loadSettings();
  65 }
  66
  67 void DolphinRemoteEncoding::loadSettings()
  68 {
  69     m_loaded = true;
  70     m_encodingDescriptions = KCharsets::charsets()->descriptiveEncodingNames();
  71
  72     fillMenu();
  73 }
  74
  75 void DolphinRemoteEncoding::slotAboutToOpenUrl()
  76 {
  77     QUrl oldURL = m_currentURL;
  78     m_currentURL = m_actionHandler->currentView()->url();
  79
  80     if (m_currentURL.scheme() != oldURL.scheme()) {
  81         // This plugin works on ftp, fish, etc.
  82         // everything whose type is T_FILESYSTEM except for local files
  83         if (!m_currentURL.isLocalFile() &&
  84             KProtocolManager::outputType(m_currentURL) == KProtocolInfo::T_FILESYSTEM) {
  85
  86             m_menu->setEnabled(true);
  87             loadSettings();
  88         } else {
  89             m_menu->setEnabled(false);
  90         }
  91         return;
  92     }
  93
  94     if (m_currentURL.host() != oldURL.host()) {
  95         updateMenu();
  96     }
  97 }
  98
  99 void DolphinRemoteEncoding::fillMenu()
 100 {
 101     QMenu* menu = m_menu->menu();
 102     menu->clear();
 103
 104
 105     for (int i = 0; i < m_encodingDescriptions.size();i++) {
 106         QAction* action = new QAction(m_encodingDescriptions.at(i), this);
 107         action->setCheckable(true);
 108         action->setData(i);
 109         menu->addAction(action);
 110     }
 111     menu->addSeparator();
 112
 113     menu->addAction(i18n("Reload"), this, SLOT(slotReload()), 0);
 114     menu->addAction(i18n("Default"), this, SLOT(slotDefault()), 0)->setCheckable(true);
 115     m_idDefault = m_encodingDescriptions.size() + 2;
 116
 117     connect(menu, &QMenu::triggered, this, &DolphinRemoteEncoding::slotItemSelected);
 118 }
 119
 120 void DolphinRemoteEncoding::updateMenu()
 121 {
 122     if (!m_loaded) {
 123         loadSettings();
 124     }
 125
 126     // uncheck everything
 127     for (int i =  0; i < m_menu->menu()->actions().count(); i++) {
 128         m_menu->menu()->actions().at(i)->setChecked(false);
 129     }
 130
 131     const QString charset = KCharsets::charsets()->descriptionForEncoding(KProtocolManager::charsetFor(m_currentURL));
 132     if (!charset.isEmpty()) {
 133         int id = 0;
 134         bool isFound = false;
 135         for (int i = 0; i < m_encodingDescriptions.size(); i++) {
 136             if (m_encodingDescriptions.at(i) == charset) {
 137                 isFound = true;
 138                 id = i;
 139                 break;
 140             }
 141         }
 142
 143         qCDebug(DolphinDebug) << "URL=" << m_currentURL << " charset=" << charset;
 144
 145         if (!isFound) {
 146             qCWarning(DolphinDebug) << "could not find entry for charset=" << charset ;
 147         } else {
 148             m_menu->menu()->actions().at(id)->setChecked(true);
 149         }
 150     } else {
 151         m_menu->menu()->actions().at(m_idDefault)->setChecked(true);
 152     }
 153
 154 }
 155
 156 void DolphinRemoteEncoding::slotAboutToShow()
 157 {
 158     if (!m_loaded) {
 159         loadSettings();
 160     }
 161     updateMenu();
 162 }
 163
 164 void DolphinRemoteEncoding::slotItemSelected(QAction* action)
 165 {
 166     if (action) {
 167         int id = action->data().toInt();
 168
 169         KConfig config(("kio_" + m_currentURL.scheme() + "rc").toLatin1());
 170         QString host = m_currentURL.host();
 171         if (m_menu->menu()->actions().at(id)->isChecked()) {
 172             QString charset = KCharsets::charsets()->encodingForName(m_encodingDescriptions.at(id));
 173             KConfigGroup cg(&config, host);
 174             cg.writeEntry(DATA_KEY, charset);
 175             config.sync();
 176
 177             // Update the io-slaves...
 178             updateView();
 179         }
 180     }
 181 }
 182
 183 void DolphinRemoteEncoding::slotDefault()
 184 {
 185     // We have no choice but delete all higher domain level
 186     // settings here since it affects what will be matched.
 187     KConfig config(("kio_" + m_currentURL.scheme() + "rc").toLatin1());
 188
 189     QStringList partList = m_currentURL.host().split('.', QString::SkipEmptyParts);
 190     if (!partList.isEmpty()) {
 191         partList.erase(partList.begin());
 192
 193         QStringList domains;
 194         // Remove the exact name match...
 195         domains << m_currentURL.host();
 196
 197         while (!partList.isEmpty()) {
 198             if (partList.count() == 2) {
 199                 if (partList[0].length() <= 2 && partList[1].length() == 2) {
 200                     break;
 201                 }
 202             }
 203
 204             if (partList.count() == 1) {
 205                 break;
 206             }
 207
 208             domains << partList.join(QLatin1Char('.'));
 209             partList.erase(partList.begin());
 210         }
 211
 212         for (QStringList::const_iterator it = domains.constBegin(); it != domains.constEnd();++it) {
 213             qCDebug(DolphinDebug) << "Domain to remove: " << *it;
 214             if (config.hasGroup(*it)) {
 215                 config.deleteGroup(*it);
 216             } else if (config.group("").hasKey(*it)) {
 217                 config.group("").deleteEntry(*it); //don't know what group name is supposed to be XXX
 218             }
 219         }
 220     }
 221     config.sync();
 222
 223     // Update the io-slaves.
 224     updateView();
 225 }
 226
 227 void DolphinRemoteEncoding::updateView()
 228 {
 229     KIO::Scheduler::emitReparseSlaveConfiguration();
 230     // Reload the page with the new charset
 231     m_actionHandler->currentView()->setUrl(m_currentURL);
 232     m_actionHandler->currentView()->reload();
 233 }
 234