apps/konqueror/settings/kio/cache.cpp

   1 /*
   2    cache.cpp - Proxy configuration dialog
   3
   4    Copyright (C) 2001,02,03 Dawit Alemayehu <adawit@kde.org>
   5
   6    This library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU General Public
   8    License (GPL) version 2 as published by the Free Software
   9    Foundation.
  10
  11    This library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Library General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this library; see the file COPYING.LIB.  If not, write to
  18    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  19    Boston, MA 02110-1301, USA.
  20 */
  21
  22 // Own
  23 #include "cache.h"
  24
  25 // Qt
  26 #include <QtGui/QBoxLayout>
  27 #include <QtGui/QCheckBox>
  28 #include <QtGui/QLabel>
  29 #include <QtGui/QLayout>
  30 #include <QtGui/QPushButton>
  31 #include <QtGui/QRadioButton>
  32
  33 // KDE
  34 #include <kprocess.h>
  35 #include <kdebug.h>
  36 #include <kgenericfactory.h>
  37 #include <kio/http_slave_defaults.h>
  38 #include <klocale.h>
  39 #include <knuminput.h>
  40 #include <kstandarddirs.h>
  41
  42 // Local
  43 #include "ksaveioconfig.h"
  44
  45 K_PLUGIN_FACTORY_DECLARATION(KioConfigFactory)
  46
  47 CacheConfigModule::CacheConfigModule(QWidget *parent, const QVariantList &)
  48                   :KCModule(KioConfigFactory::componentData(), parent)
  49 {
  50   ui.setupUi(this);
  51 }
  52
  53 CacheConfigModule::~CacheConfigModule()
  54 {
  55 }
  56
  57 void CacheConfigModule::load()
  58 {
  59   ui.cbUseCache->setChecked(KProtocolManager::useCache());
  60   ui.sbMaxCacheSize->setValue( KProtocolManager::maxCacheSize() );
  61
  62   KIO::CacheControl cc = KProtocolManager::cacheControl();
  63
  64   if (cc==KIO::CC_Verify)
  65       ui.rbVerifyCache->setChecked( true );
  66   else if (cc==KIO::CC_Refresh)
  67       ui.rbVerifyCache->setChecked( true );
  68   else if (cc==KIO::CC_CacheOnly)
  69       ui.rbOfflineMode->setChecked( true );
  70   else if (cc==KIO::CC_Cache)
  71       ui.rbCacheIfPossible->setChecked( true );
  72
  73   // Config changed notifications...
  74   connect ( ui.cbUseCache, SIGNAL(toggled(bool)), SLOT(configChanged()) );
  75   connect ( ui.rbVerifyCache, SIGNAL(toggled(bool)), SLOT(configChanged()) );
  76   connect ( ui.rbOfflineMode, SIGNAL(toggled(bool)), SLOT(configChanged()) );
  77   connect ( ui.rbCacheIfPossible, SIGNAL(toggled(bool)), SLOT(configChanged()) );
  78   connect ( ui.sbMaxCacheSize, SIGNAL(valueChanged(int)), SLOT(configChanged()) );
  79   emit changed( false );
  80 }
  81
  82 void CacheConfigModule::save()
  83 {
  84   KSaveIOConfig::setUseCache( ui.cbUseCache->isChecked() );
  85   KSaveIOConfig::setMaxCacheSize( ui.sbMaxCacheSize->value() );
  86
  87   if ( !ui.cbUseCache->isChecked() )
  88       KSaveIOConfig::setCacheControl(KIO::CC_Refresh);
  89   else if ( ui.rbVerifyCache->isChecked() )
  90       KSaveIOConfig::setCacheControl(KIO::CC_Refresh);
  91   else if ( ui.rbOfflineMode->isChecked() )
  92       KSaveIOConfig::setCacheControl(KIO::CC_CacheOnly);
  93   else if ( ui.rbCacheIfPossible->isChecked() )
  94       KSaveIOConfig::setCacheControl(KIO::CC_Cache);
  95
  96   // Update running io-slaves...
  97   KSaveIOConfig::updateRunningIOSlaves (this);
  98
  99   emit changed( false );
 100 }
 101
 102 void CacheConfigModule::defaults()
 103 {
 104   ui.cbUseCache->setChecked( true );
 105   ui.rbVerifyCache->setChecked( true );
 106   ui.sbMaxCacheSize->setValue( DEFAULT_MAX_CACHE_SIZE );
 107 }
 108
 109 QString CacheConfigModule::quickHelp() const
 110 {
 111   return i18n( "<h1>Cache</h1><p>This module lets you configure your cache settings.</p>"
 112                 "<p>The cache is an internal memory in Konqueror where recently "
 113                 "read web pages are stored. If you want to retrieve a web "
 114                 "page again that you have recently read, it will not be "
 115                 "downloaded from the Internet, but rather retrieved from the "
 116                 "cache, which is a lot faster.</p>" );
 117 }
 118
 119 void CacheConfigModule::configChanged()
 120 {
 121   emit changed( true );
 122 }
 123
 124 void CacheConfigModule::on_clearCacheButton_clicked()
 125 {
 126   KProcess::startDetached(KStandardDirs::findExe("kio_http_cache_cleaner"),
 127                           QStringList(QLatin1String("--clear-all")));
 128 }
 129
 130 #include "cache.moc"