Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 269 insertions, 0 deletions

diff --git a/libkdepim/kabcresourcecached.cpp b/libkdepim/kabcresourcecached.cpp
new file mode 100644
index 000000000..f2cbfbdcf
--- /dev/null
+++ b/libkdepim/kabcresourcecached.cpp
@@ -0,0 +1,269 @@
+/*
+    This file is part of libkdepim.
+    Copyright (c) 2004 Tobias Koenig <tokoe@kde.org>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    along with this library; see the file COPYING.LIB.  If not, write to
+    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+    Boston, MA 02110-1301, USA.
+*/
+
+#include <qfile.h>
+
+#include <kabc/vcardconverter.h>
+#include <kdebug.h>
+#include <klocale.h>
+#include <kstandarddirs.h>
+
+#include "kabcresourcecached.h"
+
+using namespace KABC;
+
+ResourceCached::ResourceCached( const KConfig *config )
+  : KABC::Resource( config ), mIdMapper( "kabc/uidmaps/" )
+{
+}
+
+ResourceCached::~ResourceCached()
+{
+}
+
+void ResourceCached::writeConfig( KConfig *config )
+{
+  KABC::Resource::writeConfig( config );
+}
+
+void ResourceCached::insertAddressee( const Addressee &addr )
+{
+  if ( !mAddrMap.contains( addr.uid() ) ) { // new contact
+    if ( mDeletedAddressees.contains( addr.uid() ) ) {
+      // it was first removed, then added, so it's an update...
+      mDeletedAddressees.remove( addr.uid() );
+
+      mAddrMap.insert( addr.uid(), addr );
+      mChangedAddressees.insert( addr.uid(), addr );
+      return;
+    }
+
+    mAddrMap.insert( addr.uid(), addr );
+    mAddedAddressees.insert( addr.uid(), addr );
+  } else {
+    KABC::Addressee oldAddressee = mAddrMap.find( addr.uid() ).data();
+    if ( oldAddressee != addr ) {
+      mAddrMap.remove( addr.uid() );
+      mAddrMap.insert( addr.uid(), addr );
+      mChangedAddressees.insert( addr.uid(), addr );
+    }
+  }
+}
+
+void ResourceCached::removeAddressee( const Addressee &addr )
+{
+  if ( mAddedAddressees.contains( addr.uid() ) ) {
+    mAddedAddressees.remove( addr.uid() );
+    return;
+  }
+
+  if ( mDeletedAddressees.find( addr.uid() ) == mDeletedAddressees.end() )
+    mDeletedAddressees.insert( addr.uid(), addr );
+
+  mAddrMap.remove( addr.uid() );
+}
+
+void ResourceCached::loadCache()
+{
+  mAddrMap.clear();
+
+  setIdMapperIdentifier();
+  mIdMapper.load();
+
+  // load cache
+  QFile file( cacheFile() );
+  if ( !file.open( IO_ReadOnly ) )
+    return;
+
+
+  KABC::VCardConverter converter;
+  KABC::Addressee::List list = converter.parseVCards( QString::fromUtf8( file.readAll() ) );
+  KABC::Addressee::List::Iterator it;
+
+  for ( it = list.begin(); it != list.end(); ++it ) {
+    (*it).setResource( this );
+    (*it).setChanged( false );
+    mAddrMap.insert( (*it).uid(), *it );
+  }
+
+  file.close();
+}
+
+void ResourceCached::saveCache()
+{
+  setIdMapperIdentifier();
+  mIdMapper.save();
+
+  // save cache
+  QFile file( cacheFile() );
+  if ( !file.open( IO_WriteOnly ) )
+    return;
+
+  KABC::Addressee::List list = mAddrMap.values();
+
+  KABC::VCardConverter converter;
+  QString vCard = converter.createVCards( list );
+  file.writeBlock( vCard.utf8(), vCard.utf8().length() );
+  file.close();
+}
+
+void ResourceCached::cleanUpCache( const KABC::Addressee::List &addrList )
+{
+  // load cache
+  QFile file( cacheFile() );
+  if ( !file.open( IO_ReadOnly ) )
+    return;
+
+
+  KABC::VCardConverter converter;
+  KABC::Addressee::List list = converter.parseVCards( QString::fromUtf8( file.readAll() ) );
+  KABC::Addressee::List::Iterator cacheIt;
+  KABC::Addressee::List::ConstIterator it;
+
+  for ( cacheIt = list.begin(); cacheIt != list.end(); ++cacheIt ) {
+    bool found = false;
+    for ( it = addrList.begin(); it != addrList.end(); ++it ) {
+      if ( (*it).uid() == (*cacheIt).uid() )
+        found = true;
+    }
+
+    if ( !found ) {
+      mIdMapper.removeRemoteId( mIdMapper.remoteId( (*cacheIt).uid() ) );
+      mAddrMap.remove( (*cacheIt).uid() );
+    }
+  }
+
+  file.close();
+}
+
+KPIM::IdMapper& ResourceCached::idMapper()
+{
+  return mIdMapper;
+}
+
+bool ResourceCached::hasChanges() const
+{
+  return !( mAddedAddressees.isEmpty() &&
+            mChangedAddressees.isEmpty() &&
+            mDeletedAddressees.isEmpty() );
+}
+
+void ResourceCached::clearChanges()
+{
+  mAddedAddressees.clear();
+  mChangedAddressees.clear();
+  mDeletedAddressees.clear();
+}
+
+void ResourceCached::clearChange( const KABC::Addressee &addr )
+{
+  mAddedAddressees.remove( addr.uid() );
+  mChangedAddressees.remove( addr.uid() );
+  mDeletedAddressees.remove( addr.uid() );
+}
+
+void ResourceCached::clearChange( const QString &uid )
+{
+  mAddedAddressees.remove( uid );
+  mChangedAddressees.remove( uid );
+  mDeletedAddressees.remove( uid );
+}
+
+KABC::Addressee::List ResourceCached::addedAddressees() const
+{
+  return mAddedAddressees.values();
+}
+
+KABC::Addressee::List ResourceCached::changedAddressees() const
+{
+  return mChangedAddressees.values();
+}
+
+KABC::Addressee::List ResourceCached::deletedAddressees() const
+{
+  return mDeletedAddressees.values();
+}
+
+QString ResourceCached::cacheFile() const
+{
+  return locateLocal( "cache", "kabc/kresources/" + identifier() );
+}
+
+QString ResourceCached::changesCacheFile( const QString &type ) const
+{
+  return locateLocal( "cache", "kabc/changescache/" + identifier() + "_" + type );
+}
+
+void ResourceCached::saveChangesCache( const QMap<QString, KABC::Addressee> &map, const QString &type )
+{
+  QFile file( changesCacheFile( type ) );
+
+  const KABC::Addressee::List list = map.values();
+  if ( list.isEmpty() ) {
+    file.remove();
+  } else {
+    if ( !file.open( IO_WriteOnly ) ) {
+      kdError() << "Can't open changes cache file '" << file.name() << "' for saving." << endl;
+      return;
+    }
+
+    KABC::VCardConverter converter;
+    const QString vCards = converter.createVCards( list );
+    QCString content = vCards.utf8();
+    file.writeBlock( content, content.length() );
+  }
+}
+
+void ResourceCached::saveChangesCache()
+{
+  saveChangesCache( mAddedAddressees, "added" );
+  saveChangesCache( mDeletedAddressees, "deleted" );
+  saveChangesCache( mChangedAddressees, "changed" );
+}
+
+void ResourceCached::loadChangesCache( QMap<QString, KABC::Addressee> &map, const QString &type )
+{
+  QFile file( changesCacheFile( type ) );
+  if ( !file.open( IO_ReadOnly ) )
+    return;
+
+  KABC::VCardConverter converter;
+
+  const KABC::Addressee::List list = converter.parseVCards( QString::fromUtf8( file.readAll() ) );
+  KABC::Addressee::List::ConstIterator it;
+  for ( it = list.begin(); it != list.end(); ++it )
+    map.insert( (*it).uid(), *it );
+
+  file.close();
+}
+
+void ResourceCached::loadChangesCache()
+{
+  loadChangesCache( mAddedAddressees, "added" );
+  loadChangesCache( mDeletedAddressees, "deleted" );
+  loadChangesCache( mChangedAddressees, "changed" );
+}
+
+void ResourceCached::setIdMapperIdentifier()
+{
+  mIdMapper.setIdentifier( type() + "_" + identifier() );
+}
+
+#include "kabcresourcecached.moc"