kmail/codecmanager.cpp

   1 /*
   2  * This file is part of KMail.
   3  * Copyright (c) 2009 Constantin Berzan <exit3219@gmail.com>
   4  *
   5  * Based on KMMsgBase code by:
   6  * Copyright (c) 1996-1998 Stefan Taferner <taferner@kde.org>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License along
  19  * with this program; if not, write to the Free Software Foundation, Inc.,
  20  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  21  */
  22
  23 // Own
  24 #include "codecmanager.h"
  25
  26 // KMail
  27 #include "kmkernel.h"
  28
  29 // Qt
  30
  31 // KDE libs
  32 #include <kcodecaction.h>
  33 #include <KConfig>
  34 #include <KDebug>
  35 #include <KGlobal>
  36 #include <KLocale>
  37 #include <messagecomposersettings.h>
  38
  39 class CodecManagerPrivate
  40 {
  41   public:
  42     CodecManagerPrivate();
  43     ~CodecManagerPrivate();
  44
  45     CodecManager *instance;
  46     QList<QByteArray> preferredCharsets;
  47
  48 };
  49
  50 K_GLOBAL_STATIC( CodecManagerPrivate, sInstance )
  51
  52 CodecManagerPrivate::CodecManagerPrivate()
  53   : instance( new CodecManager( this ) )
  54 {
  55   instance->updatePreferredCharsets();
  56 }
  57
  58 CodecManagerPrivate::~CodecManagerPrivate()
  59 {
  60   delete instance;
  61 }
  62
  63
  64
  65 CodecManager::CodecManager( CodecManagerPrivate *dd )
  66   : QObject() // TODO does it need to be a QObject?
  67   , d( dd )
  68 {
  69 }
  70
  71 // static
  72 CodecManager* CodecManager::self()
  73 {
  74   return sInstance->instance;
  75 }
  76
  77 QList<QByteArray> CodecManager::preferredCharsets() const
  78 {
  79   return d->preferredCharsets;
  80 }
  81
  82 void CodecManager::updatePreferredCharsets()
  83 {
  84   const QStringList prefCharsets = MessageComposer::MessageComposerSettings::self()->preferredCharsets();
  85   d->preferredCharsets.clear();
  86   foreach( const QString &str, prefCharsets ) {
  87     QByteArray charset = str.toLatin1().toLower();
  88
  89     if( charset == "locale" ) {
  90       charset = KGlobal::locale()->encoding().toLower();
  91
  92       // Special case for Japanese:
  93       // (Introduction to i18n, 6.6 Limit of Locale technology):
  94       // EUC-JP is the de-facto standard for UNIX systems, ISO 2022-JP
  95       // is the standard for Internet, and Shift-JIS is the encoding
  96       // for Windows and Macintosh.
  97       if( charset == "jisx0208.1983-0" ||
  98           charset == "eucjp" ||
  99           charset == "shift-jis" ) {
 100         charset = "iso-2022-jp";
 101         // TODO wtf is "jis7"?
 102       }
 103
 104       // Special case for Korean:
 105       if( charset == "ksc5601.1987-0" ) {
 106         charset = "euc-kr";
 107       }
 108     }
 109     d->preferredCharsets << charset;
 110   }
 111 }
 112
 113 #include "codecmanager.moc"