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

1 files changed, 253 insertions, 0 deletions

diff --git a/kalarm/kalarmd/adcalendar.cpp b/kalarm/kalarmd/adcalendar.cpp
new file mode 100644
index 000000000..8af97cc0b
--- /dev/null
+++ b/kalarm/kalarmd/adcalendar.cpp
@@ -0,0 +1,253 @@
+/*
+ *  adcalendar.cpp  -  calendar file access
+ *  Program:  KAlarm's alarm daemon (kalarmd)
+ *  Copyright (c) 2001, 2004-2006 by David Jarvie <software@astrojar.org.uk>
+ *
+ *  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.
+ */
+
+#include <unistd.h>
+#include <assert.h>
+
+#include <qfile.h>
+
+#include <ktempfile.h>
+#include <kio/job.h>
+#include <kio/jobclasses.h>
+#include <kdebug.h>
+
+#include "adcalendar.moc"
+
+QValueList<ADCalendar*> ADCalendar::mCalendars;
+ADCalendar::EventsMap   ADCalendar::mEventsHandled;
+ADCalendar::EventsMap   ADCalendar::mEventsPending;
+QStringList             ADCalendar::mCalendarUrls;    // never delete or reorder anything in this list!
+
+
+ADCalendar::ADCalendar(const QString& url, const QCString& appname)
+	: KCal::CalendarLocal(QString::fromLatin1("UTC")),
+	  mUrlString(url),
+	  mAppName(appname),
+	  mLoaded(false),
+	  mLoadedConnected(false),
+	  mUnregistered(false),
+	  mEnabled(true)
+{
+	ADCalendar* cal = getCalendar(url);
+	if (cal)
+	{
+		kdError(5900) << "ADCalendar::ADCalendar(" << url << "): calendar already exists" << endl;
+		assert(0);
+	}
+	mUrlIndex = mCalendarUrls.findIndex(url);    // get unique index for this URL
+	if (mUrlIndex < 0)
+	{
+		mUrlIndex = static_cast<int>(mCalendarUrls.count());
+		mCalendarUrls.append(url);
+	}
+	loadFile(false);
+	mCalendars.append(this);
+}
+
+ADCalendar::~ADCalendar()
+{
+	clearEventsHandled();
+	mCalendars.remove(this);
+}
+
+/******************************************************************************
+* Load the calendar file.
+*/
+bool ADCalendar::loadFile(bool reset)
+{
+	if (reset)
+		clearEventsHandled();
+	if (!mTempFileName.isNull())
+	{
+		// Don't try to load the file if already downloading it
+		kdError(5900) << "ADCalendar::loadFile(): already downloading another file\n";
+		return false;
+	}
+	mLoaded = false;
+	KURL url(mUrlString);
+	if (url.isLocalFile())
+	{
+		// It's a local file
+		loadLocalFile(url.path());
+		emit loaded(this, mLoaded);
+	}
+	else
+	{
+		// It's a remote file. Download to a temporary file before loading it
+		KTempFile tempFile;
+		mTempFileName = tempFile.name();
+		KURL dest;
+		dest.setPath(mTempFileName);
+		KIO::FileCopyJob* job = KIO::file_copy(url, dest, -1, true);
+		connect(job, SIGNAL(result(KIO::Job*)), SLOT(slotDownloadJobResult(KIO::Job*)));
+	}
+	return true;
+}
+
+void ADCalendar::slotDownloadJobResult(KIO::Job *job)
+{
+	if (job->error())
+	{
+		KURL url(mUrlString);
+		kdDebug(5900) << "Error downloading calendar from " << url.prettyURL() << endl;
+		job->showErrorDialog(0);
+	}
+	else
+	{
+		kdDebug(5900) << "--- Downloaded to " << mTempFileName << endl;
+		loadLocalFile(mTempFileName);
+	}
+	unlink(QFile::encodeName(mTempFileName));
+	mTempFileName = QString::null;
+	emit loaded(this, mLoaded);
+}
+
+void ADCalendar::loadLocalFile(const QString& filename)
+{
+	mLoaded = load(filename);
+	if (!mLoaded)
+		kdDebug(5900) << "ADCalendar::loadLocalFile(): Error loading calendar file '" << filename << "'\n";
+	else
+		clearEventsHandled(true);   // remove all events which no longer exist from handled list
+}
+
+bool ADCalendar::setLoadedConnected()
+{
+	if (mLoadedConnected)
+		return true;
+	mLoadedConnected = true;
+	return false;
+}
+
+/******************************************************************************
+* Check whether all the alarms for the event with the given ID have already
+* been handled.
+*/
+bool ADCalendar::eventHandled(const KCal::Event* event, const QValueList<QDateTime>& alarmtimes)
+{
+	EventsMap::ConstIterator it = mEventsHandled.find(EventKey(event->uid(), mUrlIndex));
+	if (it == mEventsHandled.end())
+		return false;
+
+	int oldCount = it.data().alarmTimes.count();
+	int count = alarmtimes.count();
+	for (int i = 0;  i < count;  ++i)
+	{
+		if (alarmtimes[i].isValid()
+		&&  (i >= oldCount                             // is it an additional alarm?
+		     || !it.data().alarmTimes[i].isValid()     // or has it just become due?
+		     || it.data().alarmTimes[i].isValid()      // or has it changed?
+		        && alarmtimes[i] != it.data().alarmTimes[i]))
+			return false;     // this alarm has changed
+	}
+	return true;
+}
+
+/******************************************************************************
+* Remember that the event with the given ID has been handled.
+* It must already be in the pending list.
+*/
+void ADCalendar::setEventHandled(const QString& eventID)
+{
+	kdDebug(5900) << "ADCalendar::setEventHandled(" << eventID << ")\n";
+	EventKey key(eventID, mUrlIndex);
+
+	// Remove it from the pending list, and add it to the handled list
+	EventsMap::Iterator it = mEventsPending.find(key);
+	if (it != mEventsPending.end())
+	{
+		setEventInMap(mEventsHandled, key, it.data().alarmTimes, it.data().eventSequence);
+		mEventsPending.remove(it);
+	}
+}
+
+/******************************************************************************
+* Remember that the specified alarms for the event with the given ID have been
+* notified to KAlarm, but no reply has come back yet.
+*/
+void ADCalendar::setEventPending(const KCal::Event* event, const QValueList<QDateTime>& alarmtimes)
+{
+	if (event)
+	{
+		kdDebug(5900) << "ADCalendar::setEventPending(" << event->uid() << ")\n";
+		EventKey key(event->uid(), mUrlIndex);
+		setEventInMap(mEventsPending, key, alarmtimes, event->revision());
+	}
+}
+
+/******************************************************************************
+* Add a specified entry to the events pending or handled list.
+*/
+void ADCalendar::setEventInMap(EventsMap& map, const EventKey& key, const QValueList<QDateTime>& alarmtimes, int sequence)
+{
+	EventsMap::Iterator it = map.find(key);
+	if (it != map.end())
+	{
+		// Update the existing entry for the event
+		it.data().alarmTimes = alarmtimes;
+		it.data().eventSequence = sequence;
+	}
+	else
+		map.insert(key, EventItem(sequence, alarmtimes));
+}
+
+/******************************************************************************
+* Clear all memory of events handled for the calendar.
+*/
+void ADCalendar::clearEventsHandled(bool nonexistentOnly)
+{
+	clearEventMap(mEventsPending, nonexistentOnly);
+	clearEventMap(mEventsHandled, nonexistentOnly);
+}
+
+/******************************************************************************
+* Clear the events pending or handled list of all events handled for the calendar.
+*/
+void ADCalendar::clearEventMap(EventsMap& map, bool nonexistentOnly)
+{
+	for (EventsMap::Iterator it = map.begin();  it != map.end();  )
+	{
+		if (it.key().calendarIndex == mUrlIndex
+		&&  (!nonexistentOnly  ||  !event(it.key().eventID)))
+		{
+			EventsMap::Iterator i = it;
+			++it;                      // prevent iterator becoming invalid with remove()
+			map.remove(i);
+		}
+		else
+			++it;
+	}
+}
+
+/******************************************************************************
+* Look up the calendar with the specified full calendar URL.
+*/
+ADCalendar* ADCalendar::getCalendar(const QString& calendarURL)
+{
+	if (!calendarURL.isEmpty())
+	{
+		for (ConstIterator it = begin();  it != end();  ++it)
+		{
+			if ((*it)->urlString() == calendarURL)
+				return *it;
+		}
+	}
+	return 0;
+}