qt: Add missing implementation of MultiDeleteJob

* lang/qt/src/multideletejob.h: Fix include, cryptobackend.h is now
called protocol.h
* lang/qt/src/multideletejob.cpp: New file.
* lang/qt/src/Makefile.am: Add multideletejob.cpp.

lang/qt/src/Makefile.am

@@ -22,7 +22,7 @@ EXTRA_DIST = QGpgmeConfig.cmake.in.in QGpgmeConfigVersion.cmake.in \
              gpgme_backend_debug.h qgpgme_version.h.in
 
 qgpgme_sources = \
-    dataprovider.cpp job.cpp qgpgmeadduseridjob.cpp \
+    dataprovider.cpp job.cpp multideletejob.cpp qgpgmeadduseridjob.cpp \
     qgpgmebackend.cpp qgpgmechangeexpiryjob.cpp qgpgmechangeownertrustjob.cpp \
     qgpgmechangepasswdjob.cpp qgpgmedecryptjob.cpp \
     qgpgmedecryptverifyjob.cpp qgpgmedeletejob.cpp qgpgmedownloadjob.cpp \
@@ -76,6 +76,7 @@ qgpgme_headers= \
 
 camelcase_headers= \
     AddUserIDJob \
+    AbstractImportJob \
     ChangeExpiryJob \
     ChangeOwnerTrustJob \
     ChangePasswdJob \

lang/qt/src/multideletejob.cpp

@@ -0,0 +1,117 @@
+/*
+    multideletejob.cpp
+
+    This file is part of qgpgme, the Qt API binding for gpgme
+    Copyright (c) 2004 Klarälvdalens Datakonsult AB
+
+    QGpgME 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.
+
+    QGpgME 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 "multideletejob.h"
+#include "protocol.h"
+#include "deletejob.h"
+
+#include <key.h>
+#include <context.h>
+#include <data.h>
+
+#include <iterator>
+
+#include <assert.h>
+
+QGpgME::MultiDeleteJob::MultiDeleteJob(const Protocol *protocol)
+    : Job(0),
+      mProtocol(protocol),
+      mJob(0)
+{
+    assert(protocol);
+}
+
+QGpgME::MultiDeleteJob::~MultiDeleteJob()
+{
+
+}
+
+GpgME::Error QGpgME::MultiDeleteJob::start(const std::vector<GpgME::Key> &keys, bool allowSecretKeyDeletion)
+{
+    mKeys = keys;
+    mAllowSecretKeyDeletion = allowSecretKeyDeletion;
+    mIt = mKeys.begin();
+
+    const GpgME::Error err = startAJob();
+
+    if (err) {
+        deleteLater();
+    }
+    return err;
+}
+
+void QGpgME::MultiDeleteJob::slotCancel()
+{
+    if (mJob) {
+        mJob->slotCancel();
+    }
+    mIt = mKeys.end();
+}
+
+void QGpgME::MultiDeleteJob::slotResult(const GpgME::Error &err)
+{
+    mJob = 0;
+    GpgME::Error error = err;
+    if (error ||  // error in last op
+            mIt == mKeys.end() || // (shouldn't happen)
+            ++mIt == mKeys.end() || // was the last key
+            (error = startAJob())) {  // error starting the job for the new key
+        Q_EMIT done();
+        Q_EMIT result(error, error && mIt != mKeys.end() ? *mIt : GpgME::Key::null);
+        deleteLater();
+        return;
+    }
+
+    const int current = mIt - mKeys.begin();
+    const int total = mKeys.size();
+    Q_EMIT progress(QStringLiteral("%1/%2").arg(current).arg(total), current, total);
+}
+
+GpgME::Error QGpgME::MultiDeleteJob::startAJob()
+{
+    if (mIt == mKeys.end()) {
+        return GpgME::Error(0);
+    }
+    mJob = mProtocol->deleteJob();
+    assert(mJob);   // FIXME: we need a way to generate errors ourselves,
+    // but I don't like the dependency on gpg-error :/
+
+    connect(mJob.data(), &DeleteJob::result, this, &MultiDeleteJob::slotResult);
+
+    return mJob->start(*mIt, mAllowSecretKeyDeletion);
+}
+
+#include "multideletejob.moc"

lang/qt/src/multideletejob.h

@@ -36,7 +36,7 @@
 
 #include "qgpgme_export.h"
 #include "job.h"
-#include "cryptobackend.h"
+#include "protocol.h"
 
 #include <QPointer>