kleopatra/crypto/controller.cpp

   1 /* -*- mode: c++; c-basic-offset:4 -*-
   2     crypto/controller.cpp
   3
   4     This file is part of Kleopatra, the KDE keymanager
   5     Copyright (c) 2008 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 "controller.h"
  36
  37 using namespace Kleo;
  38 using namespace Kleo::Crypto;
  39 using namespace boost;
  40
  41 class Controller::Private
  42 {
  43     friend class ::Kleo::Crypto::Controller;
  44     Controller *const q;
  45 public:
  46     explicit Private(Controller *qq)
  47         : q(qq),
  48           lastError(0),
  49           lastErrorString()
  50     {
  51
  52     }
  53
  54 private:
  55     int lastError;
  56     QString lastErrorString;
  57 };
  58
  59 Controller::Controller(QObject *parent)
  60     : QObject(parent), ExecutionContextUser(), d(new Private(this))
  61 {
  62
  63 }
  64
  65 Controller::Controller(const shared_ptr<const ExecutionContext> &ctx, QObject *parent)
  66     : QObject(parent), ExecutionContextUser(ctx), d(new Private(this))
  67 {
  68
  69 }
  70
  71 Controller::~Controller() {}
  72
  73 void Controller::taskDone(const boost::shared_ptr<const Task::Result> &result)
  74 {
  75     if (result->hasError()) {
  76         d->lastError = result->errorCode();
  77         d->lastErrorString = result->errorString();
  78     }
  79     const Task *task = qobject_cast<const Task *>(sender());
  80     assert(task);
  81     doTaskDone(task, result);
  82 }
  83
  84 void Controller::doTaskDone(const Task *, const shared_ptr<const Task::Result> &) {}
  85
  86 void Controller::connectTask(const shared_ptr<Task> &task)
  87 {
  88     assert(task);
  89     connect(task.get(), SIGNAL(result(boost::shared_ptr<const Kleo::Crypto::Task::Result>)),
  90             this, SLOT(taskDone(boost::shared_ptr<const Kleo::Crypto::Task::Result>)));
  91 }
  92
  93 void Controller::setLastError(int err, const QString &msg)
  94 {
  95     d->lastError = err;
  96     d->lastErrorString = msg;
  97 }
  98
  99 void Controller::emitDoneOrError()
 100 {
 101     if (d->lastError != 0) {
 102         Q_EMIT error(d->lastError, d->lastErrorString);
 103     } else {
 104         Q_EMIT done();
 105     }
 106 }
 107