src/views/dolphinremoteencoding.cpp

   1 /*
   2  * SPDX-FileCopyrightText: 2009 Rahman Duran <rahman.duran@gmail.com>
   3  *
   4  * SPDX-License-Identifier: GPL-2.0-or-later
   5  */
   6
   7  /*
   8  * This code is largely based on the kremoteencodingplugin
   9  * SPDX-FileCopyrightText: 2003 Thiago Macieira <thiago.macieira@kdemail.net>
  10  * Distributed under the same terms.
  11  */
  12
  13 #include "dolphinremoteencoding.h"
  14
  15 #include "dolphinviewactionhandler.h"
  16 #include "dolphindebug.h"
  17
  18 #include <KActionCollection>
  19 #include <KActionMenu>
  20 #include <KCharsets>
  21 #include <KConfig>
  22 #include <KConfigGroup>
  23 #include <KIO/Scheduler>
  24 #include <KLocalizedString>
  25 #include <KProtocolInfo>
  26 #include <KProtocolManager>
  27
  28 #include <QMenu>
  29
  30 #define DATA_KEY        QStringLiteral("Charset")
  31
  32 DolphinRemoteEncoding::DolphinRemoteEncoding(QObject* parent, DolphinViewActionHandler* actionHandler)
  33    :QObject(parent),
  34     m_actionHandler(actionHandler),
  35     m_loaded(false),
  36     m_idDefault(0)
  37 {
  38     m_menu = new KActionMenu(QIcon::fromTheme(QStringLiteral("character-set")), i18n("Select Remote Charset"), this);
  39     m_actionHandler->actionCollection()->addAction(QStringLiteral("change_remote_encoding"), m_menu);
  40     connect(m_menu->menu(), &QMenu::aboutToShow,
  41           this, &DolphinRemoteEncoding::slotAboutToShow);
  42
  43     m_menu->setEnabled(false);
  44     m_menu->setPopupMode(QToolButton::InstantPopup);
  45 }
  46
  47 DolphinRemoteEncoding::~DolphinRemoteEncoding()
  48 {
  49 }
  50
  51 void DolphinRemoteEncoding::slotReload()
  52 {
  53     loadSettings();
  54 }
  55
  56 void DolphinRemoteEncoding::loadSettings()
  57 {
  58     m_loaded = true;
  59     m_encodingDescriptions = KCharsets::charsets()->descriptiveEncodingNames();
  60
  61     fillMenu();
  62 }
  63
  64 void DolphinRemoteEncoding::slotAboutToOpenUrl()
  65 {
  66     QUrl oldURL = m_currentURL;
  67     m_currentURL = m_actionHandler->currentView()->url();
  68
  69     if (m_currentURL.scheme() != oldURL.scheme()) {
  70         // This plugin works on ftp, fish, etc.
  71         // everything whose type is T_FILESYSTEM except for local files
  72         if (!m_currentURL.isLocalFile() &&
  73             KProtocolManager::outputType(m_currentURL) == KProtocolInfo::T_FILESYSTEM) {
  74
  75             m_menu->setEnabled(true);
  76             loadSettings();
  77         } else {
  78             m_menu->setEnabled(false);
  79         }
  80         return;
  81     }
  82
  83     if (m_currentURL.host() != oldURL.host()) {
  84         updateMenu();
  85     }
  86 }
  87
  88 void DolphinRemoteEncoding::fillMenu()
  89 {
  90     QMenu* menu = m_menu->menu();
  91     menu->clear();
  92
  93
  94     for (int i = 0; i < m_encodingDescriptions.size();i++) {
  95         QAction* action = new QAction(m_encodingDescriptions.at(i), this);
  96         action->setCheckable(true);
  97         action->setData(i);
  98         menu->addAction(action);
  99     }
 100     menu->addSeparator();
 101
 102     menu->addAction(i18n("Reload"), this, SLOT(slotReload()), 0);
 103     menu->addAction(i18n("Default"), this, SLOT(slotDefault()), 0)->setCheckable(true);
 104     m_idDefault = m_encodingDescriptions.size() + 2;
 105
 106     connect(menu, &QMenu::triggered, this, &DolphinRemoteEncoding::slotItemSelected);
 107 }
 108
 109 void DolphinRemoteEncoding::updateMenu()
 110 {
 111     if (!m_loaded) {
 112         loadSettings();
 113     }
 114
 115     // uncheck everything
 116     for (int i =  0; i < m_menu->menu()->actions().count(); i++) {
 117         m_menu->menu()->actions().at(i)->setChecked(false);
 118     }
 119
 120     const QString charset = KCharsets::charsets()->descriptionForEncoding(KProtocolManager::charsetFor(m_currentURL));
 121     if (!charset.isEmpty()) {
 122         int id = 0;
 123         bool isFound = false;
 124         for (int i = 0; i < m_encodingDescriptions.size(); i++) {
 125             if (m_encodingDescriptions.at(i) == charset) {
 126                 isFound = true;
 127                 id = i;
 128                 break;
 129             }
 130         }
 131
 132         qCDebug(DolphinDebug) << "URL=" << m_currentURL << " charset=" << charset;
 133
 134         if (!isFound) {
 135             qCWarning(DolphinDebug) << "could not find entry for charset=" << charset ;
 136         } else {
 137             m_menu->menu()->actions().at(id)->setChecked(true);
 138         }
 139     } else {
 140         m_menu->menu()->actions().at(m_idDefault)->setChecked(true);
 141     }
 142
 143 }
 144
 145 void DolphinRemoteEncoding::slotAboutToShow()
 146 {
 147     if (!m_loaded) {
 148         loadSettings();
 149     }
 150     updateMenu();
 151 }
 152
 153 void DolphinRemoteEncoding::slotItemSelected(QAction* action)
 154 {
 155     if (action) {
 156         int id = action->data().toInt();
 157
 158         KConfig config(("kio_" + m_currentURL.scheme() + "rc").toLatin1());
 159         QString host = m_currentURL.host();
 160         if (m_menu->menu()->actions().at(id)->isChecked()) {
 161             QString charset = KCharsets::charsets()->encodingForName(m_encodingDescriptions.at(id));
 162             KConfigGroup cg(&config, host);
 163             cg.writeEntry(DATA_KEY, charset);
 164             config.sync();
 165
 166             // Update the io-slaves...
 167             updateView();
 168         }
 169     }
 170 }
 171
 172 void DolphinRemoteEncoding::slotDefault()
 173 {
 174     // We have no choice but delete all higher domain level
 175     // settings here since it affects what will be matched.
 176     KConfig config(("kio_" + m_currentURL.scheme() + "rc").toLatin1());
 177
 178     QStringList partList = m_currentURL.host().split('.', Qt::SkipEmptyParts);
 179     if (!partList.isEmpty()) {
 180         partList.erase(partList.begin());
 181
 182         QStringList domains;
 183         // Remove the exact name match...
 184         domains << m_currentURL.host();
 185
 186         while (!partList.isEmpty()) {
 187             if (partList.count() == 2) {
 188                 if (partList[0].length() <= 2 && partList[1].length() == 2) {
 189                     break;
 190                 }
 191             }
 192
 193             if (partList.count() == 1) {
 194                 break;
 195             }
 196
 197             domains << partList.join(QLatin1Char('.'));
 198             partList.erase(partList.begin());
 199         }
 200
 201         for (QStringList::const_iterator it = domains.constBegin(); it != domains.constEnd();++it) {
 202             qCDebug(DolphinDebug) << "Domain to remove: " << *it;
 203             if (config.hasGroup(*it)) {
 204                 config.deleteGroup(*it);
 205             } else if (config.group("").hasKey(*it)) {
 206                 config.group("").deleteEntry(*it); //don't know what group name is supposed to be XXX
 207             }
 208         }
 209     }
 210     config.sync();
 211
 212     // Update the io-slaves.
 213     updateView();
 214 }
 215
 216 void DolphinRemoteEncoding::updateView()
 217 {
 218     KIO::Scheduler::emitReparseSlaveConfiguration();
 219     // Reload the page with the new charset
 220     m_actionHandler->currentView()->setUrl(m_currentURL);
 221     m_actionHandler->currentView()->reload();
 222 }
 223