File indexing completed on 2024-11-24 04:42:28

 /*
  *  calendarupdater.cpp  -  base class to update a calendar to current KAlarm format
  *  Program:  kalarm
  *  SPDX-FileCopyrightText: 2020 David Jarvie <djarvie@kde.org>
  *
  *  SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #include "calendarupdater.h"
 
 #include "lib/desktop.h"
 
 #include <KLocalizedString>
 
 #include <QCoreApplication>
 #include <QThread>
 
 
 /*=============================================================================
 = Class to prompt the user to update the storage format for a resource, if it
 = currently uses an old KAlarm storage format.
 =============================================================================*/
 
 QList<CalendarUpdater*> CalendarUpdater::mInstances;
 
 CalendarUpdater::CalendarUpdater(ResourceId resourceId, bool ignoreKeepFormat, QObject* parent, QWidget* promptParent)
     : QObject(parent)
     , mResourceId(resourceId)
     , mParent(parent)
     , mPromptParent(promptParent ? promptParent : Desktop::mainWindow())
     , mIgnoreKeepFormat(ignoreKeepFormat)
     , mDuplicate(containsResource(resourceId))
 {
     mInstances.append(this);
 }
 
 CalendarUpdater::~CalendarUpdater()
 {
     mInstances.removeAll(this);
 }
 
 bool CalendarUpdater::containsResource(ResourceId id)
 {
     for (CalendarUpdater* instance : std::as_const(mInstances))
     {
         if (instance->mResourceId == id)
             return true;
     }
     return false;
 }
 
 /******************************************************************************
 * Wait until all instances have completed and been deleted.
 */
 void CalendarUpdater::waitForCompletion()
 {
     while (!mInstances.isEmpty())
     {
         for (int i = mInstances.count();  --i >= 0;  )
             if (mInstances.at(i)->isComplete())
                 delete mInstances.at(i);    // the destructor removes the instance from mInstances
 
         QCoreApplication::processEvents();
         if (!mInstances.isEmpty())     //cppcheck-suppress knownConditionTrueFalse; 'delete' removes from mInstances
             QThread::msleep(100);
     }
 }
 
 /******************************************************************************
 * Mark the instance as completed, and schedule its deletion.
 */
 void CalendarUpdater::setCompleted()
 {
     mCompleted = true;
     deleteLater();
 }
 
 /******************************************************************************
 * Return a prompt string to ask the user whether to convert the calendar to the
 * current format.
 */
 QString CalendarUpdater::conversionPrompt(const QString& calendarName, const QString& calendarVersion, bool whole)
 {
     const QString msg = whole
                 ? xi18nc("@info", "Calendar <resource>%1</resource> is in an old format (<application>KAlarm</application> version %2), "
                         "and will be read-only unless you choose to update it to the current format.",
                         calendarName, calendarVersion)
                 : xi18nc("@info", "Some or all of the alarms in calendar <resource>%1</resource> are in an old <application>KAlarm</application> format, "
                         "and will be read-only unless you choose to update them to the current format.",
                         calendarName);
     return xi18nc("@info", "<para>%1</para><para>"
                  "<warning>Do not update the calendar if it is also used with an older version of <application>KAlarm</application> "
                  "(e.g. on another computer). If you do so, the calendar may become unusable there.</warning></para>"
                  "<para>Do you wish to update the calendar?</para>", msg);
 }
 
 #include "moc_calendarupdater.cpp"
 
 // vim: et sw=4: