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bug 352795 - Fixes EXDATEs in Sunbird 0.2 ICS files when importing. r=ctalbert,dmose

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mattwillis%gmail.com 2006-09-27 16:53:18 +00:00
parent a94dd42902
commit 7ee8c1b88a
1 changed files with 62 additions and 0 deletions
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62
calendar/import-export/calIcsImportExport.js
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@ -114,6 +114,52 @@ function ics_importFromStream(aStream, aCount) {
}
while (calComp) {
// XXX bug 354073:
// When Sunbird 0.2 (and earlier) creates EXDATEs, they are set to
// 00:00:00 floating rather than to the item's DTSTART. This fixes that.
//
// This should really be in the migration code found in bug 349586,
// but in the interest of getting 0.3 released, we're putting it here.
// When bug 349586 lands, please make sure moving this to the
// migrator is part of that checkin.
var prodId = calComp.getFirstProperty("PRODID");
var isFromOldSunbird;
if (prodId) {
isFromOldSunbird = (prodId.value.indexOf("NONSGML Mozilla Calendar V1.0") > -1);
LOG("Old Sunbird file found...");
}
// Helper function to deal with the busted exdates from Sunbird 0.2
function fixOldSunbirdExceptions(aItem) {
const kCalIRecurrenceDate = Components.interfaces.calIRecurrenceDate;
var ritems = aItem.recurrenceInfo.getRecurrenceItems({});
for (var i in ritems) {
var ritem = ritems[i];
// EXDATEs are represented as calIRecurrenceDates, which are
// negative and finite.
if (ritem instanceof kCalIRecurrenceDate &&
ritem.isNegative && ritem.isFinite)
{
// Only mess with the exception if its time is wrong.
var oldDate = aItem.startDate || aItem.entryDate;
if (ritem.date.compare(oldDate) != 0) {
var newRitem = ritem.clone();
// All we want from aItem is the time and timezone.
newRitem.date.timezone = oldDate.timezone;
newRitem.date.hour = oldDate.hour;
newRitem.date.minute = oldDate.minute;
newRitem.date.second = oldDate.second;
newRitem.date.normalize();
aItem.recurrenceInfo.appendRecurrenceItem(newRitem);
aItem.recurrenceInfo.deleteRecurrenceItem(ritem);
}
}
}
return aItem;
}
var subComp = calComp.getFirstSubcomponent("ANY");
while (subComp) {
switch (subComp.componentType) {
@ -121,12 +167,28 @@ function ics_importFromStream(aStream, aCount) {
var event = Components.classes["@mozilla.org/calendar/event;1"]
.createInstance(Components.interfaces.calIEvent);
event.icalComponent = subComp;
// Only try to fix ICS from Sunbird 0.2 (and earlier) if it
// has an EXDATE.
hasExdate = subComp.getFirstProperty("EXDATE");
if (isFromOldSunbird && hasExdate) {
event = fixOldSunbirdExceptions(event);
}
items.push(event);
break;
case "VTODO":
var todo = Components.classes["@mozilla.org/calendar/todo;1"]
.createInstance(Components.interfaces.calITodo);
todo.icalComponent = subComp;
// Only try to fix ICS from Sunbird 0.2 (and earlier) if it
// has an EXDATE.
hasExdate = subComp.getFirstProperty("EXDATE");
if (isFromOldSunbird && hasExdate) {
todo = fixOldSunbirdExceptions(todo);
}
items.push(todo);
break;
default: