summaryrefslogtreecommitdiffstats
path: root/korganizer/datechecker.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'korganizer/datechecker.cpp')
-rw-r--r--korganizer/datechecker.cpp97
1 files changed, 97 insertions, 0 deletions
diff --git a/korganizer/datechecker.cpp b/korganizer/datechecker.cpp
new file mode 100644
index 000000000..43654983b
--- /dev/null
+++ b/korganizer/datechecker.cpp
@@ -0,0 +1,97 @@
+/*
+ This file is part of KOrganizer.
+
+ Copyright (c) 2002 Adriaan de Groot <groot@kde.org>
+ Copyright (c) 2004 Cornelius Schumacher <schumacher@kde.org>
+
+ This program 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.
+
+ This program 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.
+
+ As a special exception, permission is given to link this program
+ with any edition of Qt, and distribute the resulting executable,
+ without including the source code for Qt in the source distribution.
+*/
+
+#include <qtimer.h>
+
+#include <kdebug.h>
+#include <klocale.h>
+#include <kglobal.h>
+
+#include "datechecker.h"
+
+DateChecker::DateChecker( QObject *parent, const char *name )
+ : QObject( parent, name ), mUpdateTimer( 0 )
+{
+ enableRollover( FollowMonth );
+}
+
+DateChecker::~DateChecker()
+{
+}
+
+void DateChecker::enableRollover( RolloverType r )
+{
+ switch( r ) {
+ case None:
+ if ( mUpdateTimer ) {
+ mUpdateTimer->stop();
+ delete mUpdateTimer;
+ mUpdateTimer = 0;
+ }
+ break;
+ case FollowDay:
+ case FollowMonth:
+ if ( !mUpdateTimer ) {
+ mUpdateTimer = new QTimer( this, "mUpdateTimer" );
+ connect( mUpdateTimer, SIGNAL( timeout() ),
+ SLOT( possiblyPastMidnight() ) );
+ }
+ mUpdateTimer->start( 0, true );
+ mLastDayChecked = QDate::currentDate();
+ }
+ mUpdateRollover = r;
+}
+
+void DateChecker::passedMidnight()
+{
+ QDate today = QDate::currentDate();
+
+ if ( today.month() != mLastDayChecked.month() ) {
+ if ( mUpdateRollover == FollowMonth ) {
+ emit monthPassed( today );
+ }
+ }
+ emit dayPassed( today );
+}
+
+void DateChecker::possiblyPastMidnight()
+{
+ if ( mLastDayChecked != QDate::currentDate() ) {
+ passedMidnight();
+ mLastDayChecked = QDate::currentDate();
+ }
+ // Set the timer to go off 1 second after midnight
+ // or after 8 minutes, whichever comes first.
+ if ( mUpdateTimer ) {
+ QTime now = QTime::currentTime();
+ QTime midnight = QTime( 23, 59, 59 );
+ int msecsWait = QMIN( 480000, now.msecsTo( midnight ) + 2000 );
+
+ mUpdateTimer->stop();
+ mUpdateTimer->start( msecsWait, true );
+ }
+}
+
+#include "datechecker.moc"