File indexing completed on 2024-11-24 04:53:08

 /*
     Certain enhancements (www.xtuple.com/trojita-enhancements)
     are copyright © 2010 by OpenMFG LLC, dba xTuple.  All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions are met:
 
     - Redistributions of source code must retain the above copyright notice, this
     list of conditions and the following disclaimer.
     - Redistributions in binary form must reproduce the above copyright notice,
     this list of conditions and the following disclaimer in the documentation
     and/or other materials provided with the distribution.
     - Neither the name of xTuple nor the names of its contributors may be used to
     endorse or promote products derived from this software without specific prior
     written permission.
 
     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
     AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
     ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
     ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 */
 
 #include "FindInterestingPart.h"
 #include "Imap/Model/ItemRoles.h"
 #include "Imap/Model/Model.h"
 #include "Imap/Model/MailboxTree.h"
 
 namespace Imap {
 namespace Mailbox {
 
 QString FindInterestingPart::findMainPart( QModelIndex &part )
 {
     if ( ! part.isValid() )
         return QStringLiteral("Invalid index");
 
     QString mimeType = part.data( Imap::Mailbox::RolePartMimeType ).toString().toLower();
 
     if ( mimeType == QLatin1String("text/plain") ) {
         // found it, no reason to do anything else
         return QString();
     }
 
     if ( mimeType == QLatin1String("text/html") ) {
         // HTML without a text/plain counterpart is not supported
         part = QModelIndex();
         return QStringLiteral("A HTML message without a plaintext counterpart");
     }
 
     if ( mimeType == QLatin1String("message/rfc822") ) {
         if ( part.model()->rowCount( part ) != 1 ) {
             part = QModelIndex();
             return QStringLiteral("Unsupported message/rfc822 formatting");
         }
         part = part.model()->index( 0, 0, part );
         return findMainPart( part );
     }
 
     if ( mimeType.startsWith( QLatin1String("multipart/") ) ) {
         QModelIndex target;
         QString str;
         for ( int i = 0; i < part.model()->rowCount( part ); ++i ) {
             // Walk through all children, try to find a first usable item
             target = part.model()->index( i, 0, part );
             str = findMainPart( target );
             if ( target.isValid() ) {
                 // Found a usable item
                 part = target;
                 return QString();
             }
 
         }
         part = QModelIndex();
         return QStringLiteral("This is a %1 formatted message whose parts are not suitable for diplaying here").arg(mimeType);
     }
 
     part = QModelIndex();
     return QStringLiteral("MIME type %1 is not supported").arg(mimeType);
 }
 
 FindInterestingPart::MainPartReturnCode FindInterestingPart::findMainPartOfMessage(
         const QModelIndex &message, QModelIndex &mainPartIndex, QString &partMessage, QString *partData)
 {
     mainPartIndex = message.model()->index( 0, 0, message );
     if ( ! mainPartIndex.isValid() ) {
         return MAINPART_MESSAGE_NOT_LOADED;
     }
 
     partMessage = findMainPart( mainPartIndex );
     if ( ! mainPartIndex.isValid() ) {
         return MAINPART_PART_CANNOT_DETERMINE;
     }
 
     if (partData) {
         QVariant data = mainPartIndex.data( Imap::Mailbox::RolePartData );
         if ( ! data.isValid() ) {
             return MAINPART_PART_LOADING;
         }
 
         *partData = data.toString();
         return MAINPART_FOUND;
     } else {
         return mainPartIndex.data(Imap::Mailbox::RoleIsFetched).toBool() ? MAINPART_FOUND : MAINPART_PART_LOADING;
     }
 }
 
 }
 }