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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit460c52653ab0dcca6f19a4f492ed2c5e4e963ab0 (patch)
tree67208f7c145782a7e90b123b982ca78d88cc2c87 /certmanager/lib/ui/backendconfigwidget.cpp
downloadtdepim-460c52653ab0dcca6f19a4f492ed2c5e4e963ab0.tar.gz
tdepim-460c52653ab0dcca6f19a4f492ed2c5e4e963ab0.zip
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
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diff --git a/certmanager/lib/ui/backendconfigwidget.cpp b/certmanager/lib/ui/backendconfigwidget.cpp
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+/* -*- c++ -*-
+ backendconfigwidget.cpp
+
+ This file is part of libkleopatra, the KDE keymanagement library
+ Copyright (c) 2002,2004,2005 Klarälvdalens Datakonsult AB
+ Copyright (c) 2002,2003 Marc Mutz <mutz@kde.org>
+
+ Libkleopatra is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ Libkleopatra 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
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+ In addition, as a special exception, the copyright holders give
+ permission to link the code of this program with any edition of
+ the Qt library by Trolltech AS, Norway (or with modified versions
+ of Qt that use the same license as Qt), and distribute linked
+ combinations including the two. You must obey the GNU General
+ Public License in all respects for all of the code used other than
+ Qt. If you modify this file, you may extend this exception to
+ your version of the file, but you are not obligated to do so. If
+ you do not wish to do so, delete this exception statement from
+ your version.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "backendconfigwidget.h"
+#include "cryptoconfigdialog.h"
+
+#include "kleo/cryptobackendfactory.h"
+#include "ui/keylistview.h" // for lvi_cast<>
+
+#include <klistview.h>
+#include <kdialog.h>
+#include <klocale.h>
+#include <kdebug.h>
+#include <kmessagebox.h>
+#include <kapplication.h>
+#include <dcopclient.h>
+
+#include <qpushbutton.h>
+#include <qlayout.h>
+#include <qheader.h>
+#include <qtimer.h>
+
+#include <assert.h>
+
+namespace Kleo {
+ class BackendListView;
+}
+
+class Kleo::BackendConfigWidget::Private {
+public:
+ Kleo::BackendListView * listView;
+ QPushButton * configureButton;
+ QPushButton * rescanButton;
+ Kleo::CryptoBackendFactory * backendFactory;
+};
+
+namespace Kleo {
+ class BackendListViewItem;
+ class ProtocolCheckListItem;
+}
+
+class Kleo::BackendListView : public KListView
+{
+public:
+ BackendListView( BackendConfigWidget* parent, const char* name = 0 )
+ : KListView( parent, name ) {}
+
+ /// return backend for currently selected (/current) item. Used by Configure button.
+ const Kleo::CryptoBackend* currentBackend() const;
+
+ /// return which protocol implementation was chosen (checked) for each type (used when saving)
+ const Kleo::CryptoBackend* chosenBackend( const char * protocol );
+
+ /// deselect all except one for a given protocol type (radiobutton-like exclusivity)
+ void deselectAll( const char * protocol, QCheckListItem* except );
+
+ void emitChanged() { static_cast<BackendConfigWidget *>( parentWidget() )->emitChanged( true ); }
+};
+
+// Toplevel listviewitem for a given backend (e.g. "GpgME", "Kgpg/gpg v2")
+class Kleo::BackendListViewItem : public QListViewItem
+{
+public:
+ BackendListViewItem( KListView* lv, QListViewItem *prev, const CryptoBackend *cryptoBackend )
+ : QListViewItem( lv, prev, cryptoBackend->displayName() ), mCryptoBackend( cryptoBackend )
+ {}
+
+ const CryptoBackend *cryptoBackend() const { return mCryptoBackend; }
+ enum { RTTI = 0x2EAE3BE0, RTTI_MASK = 0xFFFFFFFF };
+ int rtti() const { return RTTI; }
+
+private:
+ const CryptoBackend *mCryptoBackend;
+};
+
+
+// Checklist item under a BackendListViewItem
+// (e.g. "GpgME supports protocol OpenPGP")
+class Kleo::ProtocolCheckListItem : public QCheckListItem
+{
+public:
+ ProtocolCheckListItem( BackendListViewItem* blvi,
+ QListViewItem* prev, const char * protocolName,
+ const CryptoBackend::Protocol* protocol ) // can be 0
+ : QCheckListItem( blvi, prev, itemText( protocolName, protocol ),
+ QCheckListItem::CheckBox ),
+ mProtocol( protocol ), mProtocolName( protocolName )
+ {}
+
+ enum { RTTI = 0x2EAE3BE1, RTTI_MASK = 0xFFFFFFFF };
+ virtual int rtti() const { return RTTI; }
+
+ // can be 0
+ const CryptoBackend::Protocol* protocol() const { return mProtocol; }
+ const char * protocolName() const { return mProtocolName; }
+
+protected:
+ virtual void stateChange( bool b ) {
+ BackendListView* lv = static_cast<BackendListView *>( listView() );
+ // "radio-button-like" behavior for the protocol checkboxes
+ if ( b )
+ lv->deselectAll( mProtocolName, this );
+ lv->emitChanged();
+ QCheckListItem::stateChange( b );
+ }
+
+private:
+ // Helper for the constructor.
+ static QString itemText( const char * protocolName, const CryptoBackend::Protocol* protocol ) {
+ // First one is the generic name (find a nice one for OpenPGP, SMIME)
+ const QString protoName = qstricmp( protocolName, "openpgp" ) != 0
+ ? qstricmp( protocolName, "smime" ) != 0
+ ? QString::fromLatin1( protocolName )
+ : i18n( "S/MIME" )
+ : i18n( "OpenPGP" );
+ // second one is implementation name (gpg, gpgsm...)
+ const QString impName = protocol ? protocol->displayName() : i18n( "failed" );
+ return i18n( "Items in Kleo::BackendConfigWidget listview (1: protocol; 2: implementation name)",
+ "%1 (%2)" ).arg( protoName, impName );
+ }
+
+ const CryptoBackend::Protocol* mProtocol; // can be 0
+ const char * mProtocolName;
+};
+
+const Kleo::CryptoBackend* Kleo::BackendListView::currentBackend() const {
+ const QListViewItem* curItem = currentItem();
+ if ( !curItem ) // can't happen
+ return 0;
+ if ( lvi_cast<Kleo::ProtocolCheckListItem>( curItem ) )
+ curItem = curItem->parent();
+ if ( const Kleo::BackendListViewItem * blvi = lvi_cast<Kleo::BackendListViewItem>( curItem ) )
+ return blvi->cryptoBackend();
+ return 0;
+}
+
+// can't be const method due to QListViewItemIterator (why?)
+const Kleo::CryptoBackend* Kleo::BackendListView::chosenBackend( const char * protocolName )
+{
+ for ( QListViewItemIterator it( this /*, QListViewItemIterator::Checked doesn't work*/ ) ;
+ it.current() ; ++it )
+ if ( ProtocolCheckListItem * p = lvi_cast<ProtocolCheckListItem>( it.current() ) )
+ if ( p->isOn() && qstricmp( p->protocolName(), protocolName ) == 0 ) {
+ // OK that's the one. Now go up to the parent backend
+ // (need to do that in the listview since Protocol doesn't know it)
+ if ( const BackendListViewItem * parItem = lvi_cast<BackendListViewItem>( it.current()->parent() ) )
+ return parItem->cryptoBackend();
+ }
+ return 0;
+}
+
+void Kleo::BackendListView::deselectAll( const char * protocolName, QCheckListItem* except )
+{
+ for ( QListViewItemIterator it( this /*, QListViewItemIterator::Checked doesn't work*/ ) ;
+ it.current() ; ++it ) {
+ if ( it.current() == except ) continue;
+ if ( ProtocolCheckListItem * p = lvi_cast<ProtocolCheckListItem>( it.current() ) )
+ if ( p->isOn() && qstricmp( p->protocolName(), protocolName ) == 0 )
+ p->setOn( false );
+ }
+}
+
+////
+
+Kleo::BackendConfigWidget::BackendConfigWidget( CryptoBackendFactory * factory, QWidget * parent, const char * name, WFlags f )
+ : QWidget( parent, name, f ), d( 0 )
+{
+ assert( factory );
+ d = new Private();
+ d->backendFactory = factory;
+
+ QHBoxLayout * hlay =
+ new QHBoxLayout( this, 0, KDialog::spacingHint() );
+
+ d->listView = new BackendListView( this, "d->listView" );
+ d->listView->addColumn( i18n("Available Backends") );
+ d->listView->setAllColumnsShowFocus( true );
+ d->listView->setSorting( -1 );
+ d->listView->header()->setClickEnabled( false );
+ d->listView->setFullWidth( true );
+
+ hlay->addWidget( d->listView, 1 );
+
+ connect( d->listView, SIGNAL(selectionChanged(QListViewItem*)),
+ SLOT(slotSelectionChanged(QListViewItem*)) );
+
+ QVBoxLayout * vlay = new QVBoxLayout( hlay ); // inherits spacing
+
+ d->configureButton = new QPushButton( i18n("Confi&gure..."), this );
+ d->configureButton->setAutoDefault( false );
+ vlay->addWidget( d->configureButton );
+
+ connect( d->configureButton, SIGNAL(clicked()),
+ SLOT(slotConfigureButtonClicked()) );
+
+ d->rescanButton = new QPushButton( i18n("Rescan"), this );
+ d->rescanButton->setAutoDefault( false );
+ vlay->addWidget( d->rescanButton );
+
+ connect( d->rescanButton, SIGNAL(clicked()),
+ SLOT(slotRescanButtonClicked()) );
+
+ vlay->addStretch( 1 );
+}
+
+Kleo::BackendConfigWidget::~BackendConfigWidget() {
+ delete d; d = 0;
+}
+
+void Kleo::BackendConfigWidget::load() {
+ d->listView->clear();
+
+ unsigned int backendCount = 0;
+
+ // populate the plugin list:
+ BackendListViewItem * top = 0;
+ for ( unsigned int i = 0 ; const CryptoBackend * b = d->backendFactory->backend( i ) ; ++i ) {
+
+ top = new Kleo::BackendListViewItem( d->listView, top, b );
+
+ ProtocolCheckListItem * last = 0;
+ for ( int i = 0 ; const char * name = b->enumerateProtocols( i ) ; ++i ) {
+ const CryptoBackend::Protocol * protocol = b->protocol( name );
+
+ if ( protocol ) {
+ last = new ProtocolCheckListItem( top, last, name, protocol );
+ last->setOn( protocol == d->backendFactory->protocol( name ) );
+ } else if ( b->supportsProtocol( name ) ) {
+ last = new ProtocolCheckListItem( top, last, name, 0 );
+ last->setOn( false );
+ last->setEnabled( false );
+ }
+ }
+
+ top->setOpen( true );
+ ++backendCount;
+ }
+
+ if ( backendCount ) {
+ d->listView->setCurrentItem( d->listView->firstChild() );
+ d->listView->setSelected( d->listView->firstChild(), true );
+ }
+
+ slotSelectionChanged( d->listView->firstChild() );
+}
+
+void Kleo::BackendConfigWidget::slotSelectionChanged( QListViewItem * ) {
+ const CryptoBackend* backend = d->listView->currentBackend();
+ if ( backend && !backend->config() )
+ kdDebug(5150) << "Backend w/o config object!" << endl;
+ d->configureButton->setEnabled( backend && backend->config() );
+}
+
+
+void Kleo::BackendConfigWidget::slotRescanButtonClicked() {
+ QStringList reasons;
+ d->backendFactory->scanForBackends( &reasons );
+ if ( !reasons.empty() )
+ KMessageBox::informationList( this,
+ i18n("The following problems where encountered during scanning:"),
+ reasons, i18n("Scan Results") );
+ load();
+ emit changed( true );
+}
+
+void Kleo::BackendConfigWidget::slotConfigureButtonClicked() {
+ const CryptoBackend* backend = d->listView->currentBackend();
+ if ( backend && backend->config() ) {
+ Kleo::CryptoConfigDialog dlg( backend->config(), this );
+ int result = dlg.exec();
+ if ( result == QDialog::Accepted ) {
+ // Tell other users of gpgconf (e.g. the s/mime page) that the gpgconf data might have changed
+ kapp->dcopClient()->emitDCOPSignal( "KPIM::CryptoConfig", "changed()", QByteArray() );
+ // and schedule a rescan, in case the updates make a backend valid
+ QTimer::singleShot( 0, this, SLOT(slotRescanButtonClicked()) );
+ }
+ }
+ else // shouldn't happen, button is disabled
+ kdWarning(5150) << "Can't configure backend, no config object available" << endl;
+}
+
+void Kleo::BackendConfigWidget::save() const {
+ for ( int i = 0 ; const char * name = d->backendFactory->enumerateProtocols( i ) ; ++i )
+ d->backendFactory->setProtocolBackend( name, d->listView->chosenBackend( name ) );
+}
+
+void Kleo::BackendConfigWidget::virtual_hook( int, void* ) {}
+
+#include "backendconfigwidget.moc"