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 <QIcon>
  33 #include <KLocalizedString>
  34 #include <KConfig>
  35 #include <KCharsets>
  36 #include <QMenu>
  37 #include <KProtocolInfo>
  38 #include <KProtocolManager>
  39 #include <KIO/Scheduler>
  40 #include <KConfigGroup>
  41
  42 #define DATA_KEY        QLatin1String("Charset")
  43
  44 DolphinRemoteEncoding::DolphinRemoteEncoding(QObject* parent, DolphinViewActionHandler* actionHandler)
  45    :QObject(parent),
  46     m_actionHandler(actionHandler),
  47     m_loaded(false),
  48     m_idDefault(0)
  49 {
  50     m_menu = new KActionMenu(QIcon::fromTheme("character-set"), i18n("Select Remote Charset"), this);
  51     m_actionHandler->actionCollection()->addAction("change_remote_encoding", m_menu);
  52     connect(m_menu->menu(), &QMenu::aboutToShow,
  53           this, &DolphinRemoteEncoding::slotAboutToShow);
  54
  55     m_menu->setEnabled(false);
  56     m_menu->setDelayed(false);
  57 }
  58
  59 DolphinRemoteEncoding::~DolphinRemoteEncoding()
  60 {
  61 }
  62
  63 void DolphinRemoteEncoding::slotReload()
  64 {
  65     loadSettings();
  66 }
  67
  68 void DolphinRemoteEncoding::loadSettings()
  69 {
  70     m_loaded = true;
  71     m_encodingDescriptions = KCharsets::charsets()->descriptiveEncodingNames();
  72
  73     fillMenu();
  74 }
  75
  76 void DolphinRemoteEncoding::slotAboutToOpenUrl()
  77 {
  78     QUrl oldURL = m_currentURL;
  79     m_currentURL = m_actionHandler->currentView()->url();
  80
  81     if (m_currentURL.scheme() != oldURL.scheme()) {
  82         // This plugin works on ftp, fish, etc.
  83         // everything whose type is T_FILESYSTEM except for local files
  84         if (!m_currentURL.isLocalFile() &&
  85             KProtocolManager::outputType(m_currentURL) == KProtocolInfo::T_FILESYSTEM) {
  86
  87             m_menu->setEnabled(true);
  88             loadSettings();
  89         } else {
  90             m_menu->setEnabled(false);
  91         }
  92         return;
  93     }
  94
  95     if (m_currentURL.host() != oldURL.host()) {
  96         updateMenu();
  97     }
  98 }
  99
 100 void DolphinRemoteEncoding::fillMenu()
 101 {
 102     QMenu* menu = m_menu->menu();
 103     menu->clear();
 104
 105
 106     for (int i = 0; i < m_encodingDescriptions.size();i++) {
 107         QAction* action = new QAction(m_encodingDescriptions.at(i), this);
 108         action->setCheckable(true);
 109         action->setData(i);
 110         menu->addAction(action);
 111     }
 112     menu->addSeparator();
 113
 114     menu->addAction(i18n("Reload"), this, SLOT(slotReload()), 0);
 115     menu->addAction(i18n("Default"), this, SLOT(slotDefault()), 0)->setCheckable(true);
 116     m_idDefault = m_encodingDescriptions.size() + 2;
 117
 118     connect(menu, &QMenu::triggered, this, &DolphinRemoteEncoding::slotItemSelected);
 119 }
 120
 121 void DolphinRemoteEncoding::updateMenu()
 122 {
 123     if (!m_loaded) {
 124         loadSettings();
 125     }
 126
 127     // uncheck everything
 128     for (int i =  0; i < m_menu->menu()->actions().count(); i++) {
 129         m_menu->menu()->actions().at(i)->setChecked(false);
 130     }
 131
 132     const QString charset = KCharsets::charsets()->descriptionForEncoding(KProtocolManager::charsetFor(m_currentURL));
 133     if (!charset.isEmpty()) {
 134         int id = 0;
 135         bool isFound = false;
 136         for (int i = 0; i < m_encodingDescriptions.size(); i++) {
 137             if (m_encodingDescriptions.at(i) == charset) {
 138                 isFound = true;
 139                 id = i;
 140                 break;
 141             }
 142         }
 143
 144         qCDebug(DolphinDebug) << "URL=" << m_currentURL << " charset=" << charset;
 145
 146         if (!isFound) {
 147             qCWarning(DolphinDebug) << "could not find entry for charset=" << charset ;
 148         } else {
 149             m_menu->menu()->actions().at(id)->setChecked(true);
 150         }
 151     } else {
 152         m_menu->menu()->actions().at(m_idDefault)->setChecked(true);
 153     }
 154
 155 }
 156
 157 void DolphinRemoteEncoding::slotAboutToShow()
 158 {
 159     if (!m_loaded) {
 160         loadSettings();
 161     }
 162     updateMenu();
 163 }
 164
 165 void DolphinRemoteEncoding::slotItemSelected(QAction* action)
 166 {
 167     if (action) {
 168         int id = action->data().toInt();
 169
 170         KConfig config(("kio_" + m_currentURL.scheme() + "rc").toLatin1());
 171         QString host = m_currentURL.host();
 172         if (m_menu->menu()->actions().at(id)->isChecked()) {
 173             QString charset = KCharsets::charsets()->encodingForName(m_encodingDescriptions.at(id));
 174             KConfigGroup cg(&config, host);
 175             cg.writeEntry(DATA_KEY, charset);
 176             config.sync();
 177
 178             // Update the io-slaves...
 179             updateView();
 180         }
 181     }
 182 }
 183
 184 void DolphinRemoteEncoding::slotDefault()
 185 {
 186     // We have no choice but delete all higher domain level
 187     // settings here since it affects what will be matched.
 188     KConfig config(("kio_" + m_currentURL.scheme() + "rc").toLatin1());
 189
 190     QStringList partList = m_currentURL.host().split('.', QString::SkipEmptyParts);
 191     if (!partList.isEmpty()) {
 192         partList.erase(partList.begin());
 193
 194         QStringList domains;
 195         // Remove the exact name match...
 196         domains << m_currentURL.host();
 197
 198         while (!partList.isEmpty()) {
 199             if (partList.count() == 2) {
 200                 if (partList[0].length() <= 2 && partList[1].length() == 2) {
 201                     break;
 202                 }
 203             }
 204
 205             if (partList.count() == 1) {
 206                 break;
 207             }
 208
 209             domains << partList.join(".");
 210             partList.erase(partList.begin());
 211         }
 212
 213         for (QStringList::const_iterator it = domains.constBegin(); it != domains.constEnd();++it) {
 214             qCDebug(DolphinDebug) << "Domain to remove: " << *it;
 215             if (config.hasGroup(*it)) {
 216                 config.deleteGroup(*it);
 217             } else if (config.group("").hasKey(*it)) {
 218                 config.group("").deleteEntry(*it); //don't know what group name is supposed to be XXX
 219             }
 220         }
 221     }
 222     config.sync();
 223
 224     // Update the io-slaves.
 225     updateView();
 226 }
 227
 228 void DolphinRemoteEncoding::updateView()
 229 {
 230     KIO::Scheduler::emitReparseSlaveConfiguration();
 231     // Reload the page with the new charset
 232     m_actionHandler->currentView()->setUrl(m_currentURL);
 233     m_actionHandler->currentView()->reload();
 234 }
 235