nepomuk_email_feeder/messageanalyzer.h

   1 /*
   2     Copyright (c) 2006, 2009 Volker Krause <vkrause@kde.org>
   3     Copyright (c) 2008 Sebastian Trueg <trueg@kde.org>
   4
   5     This library is free software; you can redistribute it and/or modify it
   6     under the terms of the GNU Library General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or (at your
   8     option) any later version.
   9
  10     This library is distributed in the hope that it will be useful, but WITHOUT
  11     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
  13     License for more details.
  14
  15     You should have received a copy of the GNU Library General Public License
  16     along with this library; see the file COPYING.LIB.  If not, write to the
  17     Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  18     02110-1301, USA.
  19 */
  20
  21 #ifndef MESSAGEANALYZER_H
  22 #define MESSAGEANALYZER_H
  23
  24 #include "task.h"
  25
  26 #include <contact.h>
  27 #include <email.h>
  28
  29 #include <messageviewer/objecttreeemptysource.h>
  30 #include <messageviewer/viewer.h>
  31
  32 #include <akonadi/item.h>
  33
  34 #include <kmime/kmime_headers.h>
  35 #include <kmime/kmime_message.h>
  36
  37 #include <KDE/KUrl>
  38
  39
  40 namespace MessageViewer {
  41 class NodeHelper;
  42 class ObjectTreeParser;
  43 }
  44
  45 class NepomukFeederAgentBase;
  46
  47 /**
  48   Does the actual analysis of the email, split out from the feeder agent due to possibly asynchronous
  49   operations in the OTP, so we need to isolate state in case multiple items are processed at the same time.
  50   Also gives us the possibility to parallelizer this later on.
  51 */
  52 class MessageAnalyzer : public Task, public MessageViewer::EmptySource
  53 {
  54   Q_OBJECT
  55   public:
  56     MessageAnalyzer( const Akonadi::Item &item, const QUrl &graphUri, NepomukFeederAgentBase* parent = 0 );
  57     ~MessageAnalyzer();
  58
  59     inline QUrl graphUri() const { return m_graphUri; }
  60
  61     /* reimpl from EmptySource */
  62     virtual QObject* sourceObject() { return this; }
  63
  64   public slots:
  65     // needed in EmptySource::sourceObject()
  66     void update( MessageViewer::Viewer::UpdateMode mode );
  67
  68   private:
  69     QList<NepomukFast::Contact> extractContactsFromMailboxes( const KMime::Types::Mailbox::List& mbs, const QUrl&graphUri );
  70     void addTranslatedTag( const char* tagName, const QString &tagLabel, const QString &icon = QString() );
  71
  72     void processContent( const KMime::Message::Ptr &msg );
  73     void processFlags( const Akonadi::Item::Flags &flags );
  74     void processHeaders( const KMime::Message::Ptr &msg );
  75     void processPart( KMime::Content *content );
  76
  77   private:
  78     NepomukFeederAgentBase *m_parent;
  79     Akonadi::Item m_item;
  80     NepomukFast::Email m_email;
  81     QUrl m_graphUri;
  82     KMime::Content *m_mainBodyPart;
  83     MessageViewer::NodeHelper *m_nodeHelper;
  84     MessageViewer::ObjectTreeParser *m_otp;
  85 };
  86
  87 #endif