kleopatra/dialogs/setinitialpindialog.cpp

   1 /* -*- mode: c++; c-basic-offset:4 -*-
   2     dialogs/setinitialpindialog.cpp
   3
   4     This file is part of Kleopatra, the KDE keymanager
   5     Copyright (c) 2009 Klarälvdalens Datakonsult AB
   6
   7     Kleopatra is free software; you can redistribute it and/or modify
   8     it under the terms of the GNU General Public License as published by
   9     the Free Software Foundation; either version 2 of the License, or
  10     (at your option) any later version.
  11
  12     Kleopatra is distributed in the hope that it will be useful,
  13     but WITHOUT ANY WARRANTY; without even the implied warranty of
  14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15     General Public License for more details.
  16
  17     You should have received a copy of the GNU General Public License
  18     along with this program; if not, write to the Free Software
  19     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  20
  21     In addition, as a special exception, the copyright holders give
  22     permission to link the code of this program with any edition of
  23     the Qt library by Trolltech AS, Norway (or with modified versions
  24     of Qt that use the same license as Qt), and distribute linked
  25     combinations including the two.  You must obey the GNU General
  26     Public License in all respects for all of the code used other than
  27     Qt.  If you modify this file, you may extend this exception to
  28     your version of the file, but you are not obligated to do so.  If
  29     you do not wish to do so, delete this exception statement from
  30     your version.
  31 */
  32
  33 #include <config-kleopatra.h>
  34
  35 #include "setinitialpindialog.h"
  36
  37 #include "ui_setinitialpindialog.h"
  38
  39 #include <KIconLoader>
  40 #include <KLocalizedString>
  41 #include <QIcon>
  42
  43 #include <QTextDocument> // for Qt::escape
  44
  45 #include <gpgme++/error.h>
  46
  47 #include <boost/static_assert.hpp>
  48
  49 #include <cassert>
  50
  51 using namespace Kleo;
  52 using namespace Kleo::Dialogs;
  53 using namespace GpgME;
  54
  55 enum State {
  56     Unknown = 0,
  57     NotSet,
  58     AlreadySet,
  59     Ongoing,
  60     Ok,
  61     Failed,
  62     NumStates
  63 };
  64
  65 const char *icons[] = {
  66     // PENDING(marc) use better icons, once available
  67     "",                          // Unknown
  68     "",                          // NotSet
  69     "security-medium",           // AlreadySet
  70     "movie-process-working-kde", // Ongoing
  71     "security-high",             // Ok
  72     "security-low",              // Failed
  73 };
  74
  75 BOOST_STATIC_ASSERT((sizeof icons / sizeof(*icons) == NumStates));
  76 BOOST_STATIC_ASSERT((sizeof("movie-") == 7));
  77
  78 static void update_widget(State state, bool delay, QLabel *resultLB, QLabel *lb, QPushButton *pb, QLabel *statusLB)
  79 {
  80     assert(state >= 0); assert(state < NumStates);
  81     const char *icon = icons[state];
  82     if (qstrncmp(icon, "movie-", sizeof("movie-") - 1) == 0) {
  83         resultLB->setMovie(KIconLoader::global()->loadMovie(QLatin1String(icon + sizeof("movie-")), KIconLoader::NoGroup));
  84     } else if (icon && *icon) {
  85         resultLB->setPixmap(QIcon::fromTheme(QLatin1String(icon)).pixmap(32));
  86     } else {
  87         resultLB->setPixmap(QPixmap());
  88     }
  89     lb->setEnabled((state == NotSet || state == Failed) && !delay);
  90     pb->setEnabled((state == NotSet || state == Failed) && !delay);
  91     if (state == AlreadySet) {
  92         statusLB->setText(xi18nc("@info", "No NullPin found. <warning>If this PIN was not set by you personally, the card might have been tampered with.</warning>"));
  93     }
  94 }
  95
  96 static QString format_error(const Error &err)
  97 {
  98     if (err.isCanceled()) {
  99         return i18nc("@info", "Canceled setting PIN.");
 100     }
 101     if (err)
 102         return xi18nc("@info",
 103                       "There was an error setting the PIN: <message>%1</message>.",
 104                       QString::fromLocal8Bit(err.asString()).toHtmlEscaped());
 105     else {
 106         return i18nc("@info", "PIN set successfully.");
 107     }
 108 }
 109
 110 class SetInitialPinDialog::Private
 111 {
 112     friend class ::Kleo::Dialogs::SetInitialPinDialog;
 113     SetInitialPinDialog *const q;
 114 public:
 115     explicit Private(SetInitialPinDialog *qq)
 116         : q(qq),
 117           nksState(Unknown),
 118           sigGState(Unknown),
 119           ui(q)
 120     {
 121
 122     }
 123
 124 private:
 125     void slotNksButtonClicked()
 126     {
 127         nksState = Ongoing;
 128         ui.nksStatusLB->clear();
 129         updateWidgets();
 130         Q_EMIT q->nksPinRequested();
 131     }
 132
 133     void slotSigGButtonClicked()
 134     {
 135         sigGState = Ongoing;
 136         ui.sigGStatusLB->clear();
 137         updateWidgets();
 138         Q_EMIT q->sigGPinRequested();
 139     }
 140
 141 private:
 142     void updateWidgets()
 143     {
 144         update_widget(nksState,  false,
 145                       ui.nksResultIcon,  ui.nksLB,  ui.nksPB,  ui.nksStatusLB);
 146         update_widget(sigGState, nksState == NotSet || nksState == Failed || nksState == Ongoing,
 147                       ui.sigGResultIcon, ui.sigGLB, ui.sigGPB, ui.sigGStatusLB);
 148         ui.closePB()->setEnabled(q->isComplete());
 149         ui.cancelPB()->setEnabled(!q->isComplete());
 150     }
 151
 152 private:
 153     State nksState, sigGState;
 154
 155     struct UI : public Ui::SetInitialPinDialog {
 156         explicit UI(Dialogs::SetInitialPinDialog *qq)
 157             : Ui::SetInitialPinDialog()
 158         {
 159             setupUi(qq);
 160
 161             closePB()->setEnabled(false);
 162
 163             connect(closePB(), &QAbstractButton::clicked, qq, &QDialog::accept);
 164         }
 165
 166         QAbstractButton *closePB() const
 167         {
 168             assert(dialogButtonBox);
 169             return dialogButtonBox->button(QDialogButtonBox::Close);
 170         }
 171
 172         QAbstractButton *cancelPB() const
 173         {
 174             assert(dialogButtonBox);
 175             return dialogButtonBox->button(QDialogButtonBox::Cancel);
 176         }
 177
 178     } ui;
 179 };
 180
 181 SetInitialPinDialog::SetInitialPinDialog(QWidget *p)
 182     : QDialog(p), d(new Private(this))
 183 {
 184
 185 }
 186
 187 SetInitialPinDialog::~SetInitialPinDialog() {}
 188
 189 void SetInitialPinDialog::setNksPinPresent(bool on)
 190 {
 191     d->nksState = on ? AlreadySet : NotSet;
 192     d->updateWidgets();
 193 }
 194
 195 void SetInitialPinDialog::setSigGPinPresent(bool on)
 196 {
 197     d->sigGState = on ? AlreadySet : NotSet;
 198     d->updateWidgets();
 199 }
 200
 201 void SetInitialPinDialog::setNksPinSettingResult(const Error &err)
 202 {
 203     d->ui.nksStatusLB->setText(format_error(err));
 204     d->nksState =
 205         err.isCanceled() ? NotSet :
 206         err              ? Failed :
 207         Ok;
 208     d->updateWidgets();
 209 }
 210
 211 void SetInitialPinDialog::setSigGPinSettingResult(const Error &err)
 212 {
 213     d->ui.sigGStatusLB->setText(format_error(err));
 214     d->sigGState =
 215         err.isCanceled() ? NotSet :
 216         err              ? Failed :
 217         Ok;
 218     d->updateWidgets();
 219 }
 220
 221 bool SetInitialPinDialog::isComplete() const
 222 {
 223     return (d->nksState  == Ok || d->nksState  == AlreadySet)
 224            && (d->sigGState == Ok || d->sigGState == AlreadySet);
 225 }
 226
 227 #include "moc_setinitialpindialog.cpp"