From 460c52653ab0dcca6f19a4f492ed2c5e4e963ab0 Mon Sep 17 00:00:00 2001
From: toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>
Date: Wed, 25 Nov 2009 17:56:58 +0000
Subject: Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
 BUG:215923

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
---
 korganizer/datechecker.h | 86 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 korganizer/datechecker.h

(limited to 'korganizer/datechecker.h')

diff --git a/korganizer/datechecker.h b/korganizer/datechecker.h
new file mode 100644
index 000000000..f2d20bf3b
--- /dev/null
+++ b/korganizer/datechecker.h
@@ -0,0 +1,86 @@
+/*
+    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.
+*/
+#ifndef DATECHECKER_H
+#define DATECHECKER_H
+
+#include <qobject.h>
+#include <qdatetime.h>
+
+class QTimer;
+
+class KCalendarSystem;
+
+class NavigatorBar;
+
+class DateChecker: public QObject
+{
+    Q_OBJECT
+  public:
+    DateChecker( QObject *parent = 0, const char *name = 0 );
+    ~DateChecker();
+
+    /**
+      The DateChecker automatically checks for
+      the passage of midnight. If rollover type is
+      set to None, no signals are emitted and no
+      processing is done. With rollover set to
+      FollowDay, the day highlighter changes at
+      midnight and dayPassed() is emitted.
+      With FollowMonth, it has the same effect
+      as FollowDay but also adjusts the month that is
+      visible and emits monthPassed() when the month changes.
+    */
+    enum RolloverType { None, FollowDay, FollowMonth };
+    void enableRollover( RolloverType );
+
+  signals:
+    // Signals emitted at midnight carrying the new date.
+    void dayPassed( const QDate & );
+    void monthPassed( const QDate & );
+
+  protected slots:
+     /**
+       Called regularly to see if we need to update the view
+       wrt. the today box and the month box. Only important
+       if you leave KOrganizer idle for long periods of time.
+     
+       Until we have a reliable way of setting QTimers to go
+       off at a particular wall-clock time, we need this,
+       which calls passedMidnight() at the right moments.
+     */
+     void possiblyPastMidnight();
+
+     /**
+       Handles updating the view when midnight has come by due to idle time.
+     */
+     void passedMidnight();
+
+  private:
+    QTimer *mUpdateTimer;
+    QDate mLastDayChecked;
+    RolloverType mUpdateRollover;
+};
+
+#endif
-- 
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