/usr/lib/thunderbird-addons/extensions/{e2fda1a4-762b-4020-b5ad-a41df1933103}/modules/calUtils.jsm is in xul-ext-lightning 1:24.4.0+build1-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
// New code must not load/import calUtils.js, but should use calUtils.jsm.
var gCalThreadingEnabled;
Components.utils.import("resource:///modules/XPCOMUtils.jsm");
Components.utils.import("resource://gre/modules/Services.jsm");
// Usually the backend loader gets loaded via profile-after-change, but in case
// a calendar component hooks in earlier, its very likely it will use calUtils.
// Getting the service here will load if its not already loaded
Components.classes["@mozilla.org/calendar/backend-loader;1"].getService();
EXPORTED_SYMBOLS = ["cal"];
let cal = {
// new code should land here,
// and more code should be moved from calUtils.js into this object to avoid
// clashes with other extensions
getDragService: generateServiceAccessor("@mozilla.org/widget/dragservice;1",
Components.interfaces.nsIDragService),
/**
* Loads an array of calendar scripts into the passed scope.
*
* @param scriptNames an array of calendar script names
* @param scope scope to load into
* @param baseDir base dir; defaults to calendar-js/
*/
loadScripts: function cal_loadScripts(scriptNames, scope, baseDir) {
if (!baseDir) {
baseDir = __LOCATION__.parent.parent.clone();
baseDir.append("calendar-js");
}
for each (let script in scriptNames) {
if (!script) {
// If the array element is null, then just skip this script.
continue;
}
let scriptFile = baseDir.clone();
scriptFile.append(script);
let scriptUrlSpec = Services.io.newFileURI(scriptFile).spec;
try {
Services.scriptloader.loadSubScript(scriptUrlSpec, scope);
} catch (exc) {
Components.utils.reportError(exc + " (" + scriptUrlSpec + ")");
}
}
},
loadingNSGetFactory: function(scriptNames, components, scope) {
return function NSGetFactory(cid) {
if (!this.inner) {
let global = Components.utils.getGlobalForObject(scope);
cal.loadScripts(scriptNames, global);
if (typeof components == "function") {
components = components.call(global);
}
this.inner = XPCOMUtils.generateNSGetFactory(components);
}
return this.inner(cid);
};
},
/**
* Schedules execution of the passed function to the current thread's queue.
*/
postPone: function cal_postPone(func) {
if (this.threadingEnabled) {
Services.tm.currentThread.dispatch({ run: func },
Components.interfaces.nsIEventTarget.DISPATCH_NORMAL);
} else {
func();
}
},
/**
* Create an adapter for the given interface. If passed, methods will be
* added to the template object, otherwise a new object will be returned.
*
* @param iface The interface to adapt (Components.interfaces...)
* @param template (optional) A template object to extend
* @return If passed the adapted template object, otherwise a
* clean adapter.
*
* Currently supported interfaces are:
* - calIObserver
* - calICalendarManagerObserver
* - calIOperationListener
* - calICompositeObserver
*/
createAdapter: function createAdapter(iface, template) {
let methods;
let adapter = template || {};
switch (iface) {
case Components.interfaces.calIObserver:
methods = ["onStartBatch", "onEndBatch", "onLoad", "onAddItem",
"onModifyItem", "onDeleteItem", "onError",
"onPropertyChanged", "onPropertyDeleting"];
break;
case Components.interfaces.calICalendarManagerObserver:
methods = ["onCalendarRegistered", "onCalendarUnregistering",
"onCalendarDeleting"];
break;
case Components.interfaces.calIOperationListener:
methods = ["onGetResult", "onOperationComplete"];
break;
case Components.interfaces.calICompositeObserver:
methods = ["onCalendarAdded", "onCalendarRemoved",
"onDefaultCalendarChanged"];
break;
default:
methods = [];
break;
}
for each (let method in methods) {
if (!(method in template)) {
adapter[method] = function() {};
}
}
adapter.QueryInterface = XPCOMUtils.generateQI([iface]);
return adapter;
},
get threadingEnabled() {
if (gCalThreadingEnabled === undefined) {
gCalThreadingEnabled = !cal.getPrefSafe("calendar.threading.disabled", false);
}
return gCalThreadingEnabled;
},
/**
* Checks whether a timezone lacks a definition.
*/
isPhantomTimezone: function cal_isPhantomTimezone(tz) {
return (!tz.icalComponent && !tz.isUTC && !tz.isFloating);
},
/**
* Shifts an item by the given timely offset.
*
* @param item an item
* @param offset an offset (calIDuration)
*/
shiftItem: function cal_shiftItem(item, offset) {
// When modifying dates explicitly using the setters is important
// since those may triggers e.g. calIRecurrenceInfo::onStartDateChange
// or invalidate other properties. Moreover don't modify the date-time objects
// without cloning, because changes cannot be calculated if doing so.
if (cal.isEvent(item)) {
let date = item.startDate.clone();
date.addDuration(offset);
item.startDate = date;
date = item.endDate.clone();
date.addDuration(offset);
item.endDate = date;
} else /* isToDo */ {
if (item.entryDate) {
let date = item.entryDate.clone();
date.addDuration(offset);
item.entryDate = date;
}
if (item.dueDate) {
let date = item.dueDate.clone();
date.addDuration(offset);
item.dueDate = date;
}
}
},
/**
* Shortcut function to serialize an item (including all overridden items).
*/
getSerializedItem: function cal_getSerializedItem(aItem) {
let serializer = Components.classes["@mozilla.org/calendar/ics-serializer;1"]
.createInstance(Components.interfaces.calIIcsSerializer);
serializer.addItems([aItem], 1);
return serializer.serializeToString();
},
/**
* Shortcut function to check whether an item is an invitation copy.
*/
isInvitation: function cal_isInvitation(aItem) {
let isInvitation = false;
let calendar = cal.wrapInstance(aItem.calendar, Components.interfaces.calISchedulingSupport);
if (calendar) {
isInvitation = calendar.isInvitation(aItem);
}
return isInvitation;
},
/**
* Shortcut function to check whether an item is an invitation copy and
* has a participation status of either NEEDS-ACTION or TENTATIVE.
*
* @param aItem either calIAttendee or calIItemBase
*/
isOpenInvitation: function cal_isOpenInvitation(aItem) {
let wrappedItem = cal.wrapInstance(aItem, Components.interfaces.calIAttendee);
if (!wrappedItem) {
aItem = cal.getInvitedAttendee(aItem);
}
if (aItem) {
switch (aItem.participationStatus) {
case "NEEDS-ACTION":
case "TENTATIVE":
return true;
}
}
return false;
},
/**
* Shortcut function to get the invited attendee of an item.
*/
getInvitedAttendee: function cal_getInvitedAttendee(aItem, aCalendar) {
if (!aCalendar) {
aCalendar = aItem.calendar;
}
let invitedAttendee = null;
let calendar = cal.wrapInstance(aCalendar, Components.interfaces.calISchedulingSupport);
if (calendar) {
invitedAttendee = calendar.getInvitedAttendee(aItem);
}
return invitedAttendee;
},
// The below functions will move to some different place once the
// unifinder tress are consolidated.
compareNativeTime: function cal_compareNativeTime(a, b) {
return (a < b ? -1 :
a > b ? 1 : 0);
},
compareNativeTimeFilledAsc: function cal_compareNativeTimeFilledAsc(a, b) {
if (a == b)
return 0;
// In this filter, a zero time (not set) is always at the end.
if (a == -62168601600000000) // value for (0000/00/00 00:00:00)
return 1;
if (b == -62168601600000000) // value for (0000/00/00 00:00:00)
return -1;
return (a < b ? -1 : 1);
},
compareNativeTimeFilledDesc: function cal_compareNativeTimeFilledDesc(a, b) {
if (a == b)
return 0;
// In this filter, a zero time (not set) is always at the end.
if (a == -62168601600000000) // value for (0000/00/00 00:00:00)
return 1;
if (b == -62168601600000000) // value for (0000/00/00 00:00:00)
return -1;
return (a < b ? 1 : -1);
},
compareNumber: function cal_compareNumber(a, b) {
a = Number(a);
b = Number(b);
return ((a < b) ? -1 : // avoid underflow problems of subtraction
(a > b) ? 1 : 0);
},
sortEntryComparer: function cal_sortEntryComparer(sortType, modifier) {
switch (sortType) {
case "number":
function compareNumbers(sortEntryA, sortEntryB) {
let nsA = cal.sortEntryKey(sortEntryA);
let nsB = cal.sortEntryKey(sortEntryB);
return cal.compareNumber(nsA, nsB) * modifier;
}
return compareNumbers;
case "date":
function compareTimes(sortEntryA, sortEntryB) {
let nsA = cal.sortEntryKey(sortEntryA);
let nsB = cal.sortEntryKey(sortEntryB);
return cal.compareNativeTime(nsA, nsB) * modifier;
}
return compareTimes;
case "date_filled":
function compareTimesFilled(sortEntryA, sortEntryB) {
let nsA = cal.sortEntryKey(sortEntryA);
let nsB = cal.sortEntryKey(sortEntryB);
if (modifier == 1) {
return cal.compareNativeTimeFilledAsc(nsA, nsB);
} else {
return cal.compareNativeTimeFilledDesc(nsA, nsB);
}
}
return compareTimesFilled
case "string":
let collator = cal.createLocaleCollator();
function compareStrings(sortEntryA, sortEntryB) {
let sA = cal.sortEntryKey(sortEntryA);
let sB = cal.sortEntryKey(sortEntryB);
if (sA.length == 0 || sB.length == 0) {
// sort empty values to end (so when users first sort by a
// column, they can see and find the desired values in that
// column without scrolling past all the empty values).
return -(sA.length - sB.length) * modifier;
}
let comparison = collator.compareString(0, sA, sB);
return comparison * modifier;
}
return compareStrings;
default:
function compareOther(sortEntryA, sortEntryB) {
return 0;
}
return compareOther;
}
},
getItemSortKey: function cal_getItemSortKey(aItem, aKey, aStartTime) {
switch(aKey) {
case "priority":
return aItem.priority || 5;
case "title":
return aItem.title || "";
case "entryDate":
return cal.nativeTime(aItem.entryDate);
case "startDate":
return cal.nativeTime(aItem.startDate);
case "dueDate":
return cal.nativeTime(aItem.dueDate);
case "endDate":
return cal.nativeTime(aItem.endDate);
case "completedDate":
return cal.nativeTime(aItem.completedDate);
case "percentComplete":
return aItem.percentComplete;
case "categories":
return aItem.getCategories({}).join(", ");
case "location":
return aItem.getProperty("LOCATION") || "";
case "status":
if (cal.isToDo(aItem)) {
return ["NEEDS-ACTION", "IN-PROCESS", "COMPLETED", "CANCELLED" ].indexOf(aItem.status);
} else {
return ["TENTATIVE", "CONFIRMED", "CANCELLED"].indexOf(aItem.status);
}
case "calendar":
return aItem.calendar.name || "";
default:
return null;
}
},
getSortTypeForSortKey: function cal_getSortTypeForSortKey(aSortKey) {
switch(aSortKey) {
case "title":
case "categories":
case "location":
case "calendar":
return "string";
// All dates use "date_filled"
case "completedDate":
case "startDate":
case "endDate":
case "dueDate":
case "entryDate":
return "date_filled";
case "priority":
case "percentComplete":
case "status":
return "number";
}
},
nativeTimeOrNow: function cal_nativeTimeOrNow(calDateTime, sortStartedTime) {
// Treat null/0 as 'now' when sort started, so incomplete tasks stay current.
// Time is computed once per sort (just before sort) so sort is stable.
if (calDateTime == null) {
return sortStartedTime.nativeTime;
}
var ns = calDateTime.nativeTime;
if (ns == -62168601600000000) { // ns value for (0000/00/00 00:00:00)
return sortStartedTime;
}
return ns;
},
nativeTime: function cal_nativeTime(calDateTime) {
if (calDateTime == null) {
return -62168601600000000; // ns value for (0000/00/00 00:00:00)
}
return calDateTime.nativeTime;
},
/**
* Returns a calIDateTime corresponding to a javascript Date.
*
* @param aDate a javascript date
* @param aTimezone (optional) a timezone that should be enforced
* @returns a calIDateTime
*
* @warning Use of this function is strongly discouraged. calIDateTime should
* be used directly whenever possible.
* If you pass a timezone, then the passed jsDate's timezone will be ignored,
* but only its local time portions are be taken.
*/
jsDateToDateTime: function jsDateToDateTime(aDate, aTimezone) {
let newDate = cal.createDateTime();
if (aTimezone) {
newDate.resetTo(aDate.getFullYear(),
aDate.getMonth(),
aDate.getDate(),
aDate.getHours(),
aDate.getMinutes(),
aDate.getSeconds(),
aTimezone);
} else {
newDate.jsDate = aDate;
}
return newDate;
},
sortEntry: function cal_sortEntry(aItem) {
let key = cal.getItemSortKey(aItem, this.mSortKey, this.mSortStartedDate);
return { mSortKey : key, mItem: aItem };
},
sortEntryItem: function cal_sortEntryItem(sortEntry) {
return sortEntry.mItem;
},
sortEntryKey: function cal_sortEntryKey(sortEntry) {
return sortEntry.mSortKey;
},
createLocaleCollator: function cal_createLocaleCollator() {
return Components.classes["@mozilla.org/intl/collation-factory;1"]
.getService(Components.interfaces.nsICollationFactory)
.CreateCollation(Services.locale.getApplicationLocale());
},
/**
* Sort an array of strings according to the current locale.
* Modifies aStringArray, returning it sorted.
*/
sortArrayByLocaleCollator: function cal_sortArrayByLocaleCollator(aStringArray) {
var localeCollator = cal.createLocaleCollator();
function compare(a, b) { return localeCollator.compareString(0, a, b); }
aStringArray.sort(compare);
return aStringArray;
},
/**
* Gets the month name string in the right form depending on a base string.
*
* @param aMonthNum The month numer to get, 1-based.
* @param aBundleName The Bundle to get the string from
* @param aStringBase The base string name, .monthFormat will be appended
*/
formatMonth: function formatMonth(aMonthNum, aBundleName, aStringBase) {
let monthForm = cal.calGetString(aBundleName, aStringBase + ".monthFormat") || "nominative";
if (monthForm == "nominative") {
// Fall back to the default name format
monthForm = "name";
}
return cal.calGetString("dateFormat", "month." + aMonthNum + "." + monthForm);
},
/**
* moves an item to another startDate
*
* @param aOldItem The Item to be modified
* @param aNewDate The date at which the new item is going to start
* @return The modified item
*/
moveItem: function cal_moveItem(aOldItem, aNewDate) {
let newItem = aOldItem.clone();
let start = (aOldItem[calGetStartDateProp(aOldItem)] ||
aOldItem[calGetEndDateProp(aOldItem)]).clone();
let isDate = start.isDate;
start.resetTo(aNewDate.year, aNewDate.month, aNewDate.day,
start.hour, start.minute, start.second,
start.timezone);
start.isDate = isDate;
if (newItem[calGetStartDateProp(newItem)]) {
newItem[calGetStartDateProp(newItem)] = start;
let oldDuration = aOldItem.duration;
if (oldDuration) {
let oldEnd = aOldItem[calGetEndDateProp(aOldItem)];
let newEnd = start.clone();
newEnd.addDuration(oldDuration);
newEnd = newEnd.getInTimezone(oldEnd.timezone);
newItem[calGetEndDateProp(newItem)] = newEnd;
}
} else if (newItem[calGetEndDateProp(newItem)]) {
newItem[calGetEndDateProp(newItem)] = start;
}
return newItem;
},
/**
* sets the 'isDate' property of an item
*
* @param aItem The Item to be modified
* @param aIsDate True or false indicating the new value of 'isDate'
* @return The modified item
*/
setItemToAllDay: function cal_setItemToAllDay(aItem, aIsDate){
let start = aItem[calGetStartDateProp(aItem)];
let end = aItem[calGetEndDateProp(aItem)];
if (start || end) {
let item = aItem.clone();
if (start && (start.isDate != aIsDate)) {
start = start.clone();
start.isDate = aIsDate;
item[calGetStartDateProp(item)] = start;
}
if (end && (end.isDate != aIsDate)) {
end = end.clone();
end.isDate = aIsDate;
item[calGetEndDateProp(item)] = end;
}
return item;
} else {
return aItem;
}
},
/**
* checks if the mousepointer of an event resides over a XULBox during an event
*
* @param aMouseEvent The event eg. a 'mouseout' or 'mousedown' event
* @param aXULBox The xul element
* @return true or false depending on whether the mouse pointer
* resides over the xulelement
*/
isMouseOverBox: function cal_isMouseOverBox(aMouseEvent, aXULElement) {
let boxObject = aXULElement.boxObject;
let boxWidth = boxObject.width;
let boxHeight = boxObject.height;
let boxScreenX = boxObject.screenX;
let boxScreenY = boxObject.screenY;
let mouseX = aMouseEvent.screenX;
let mouseY = aMouseEvent.screenY;
let xIsWithin = (mouseX >= boxScreenX) &&
(mouseX <= (boxScreenX + boxWidth));
let yIsWithin = (mouseY >= boxScreenY) &&
(mouseY <= (boxScreenY + boxHeight));
return (xIsWithin && yIsWithin);
},
/**
* removes those childnodes from a node that contain a specified attribute
* and where the value of this attribute matches a passed value
* @param aParentNode The parent node that contains the child nodes in question
* @param aAttribute The name of the attribute
* @param aAttribute The value of the attribute
*/
removeChildElementsByAttribute: function removeChildElementsByAttribute(aParentNode, aAttribute, aValue) {
let childNode = aParentNode.lastChild;
while (childNode) {
let prevChildNode = childNode.previousSibling;
if (!aAttribute || aAttribute === undefined) {
aParentNode.removeChild(childNode);
} else if (!aValue || aValue === undefined) {
aParentNode.removeChild(childNode);
} else if (childNode && childNode.hasAttribute(aAttribute)
&& childNode.getAttribute(aAttribute) == aValue) {
aParentNode.removeChild(childNode);
}
childNode = prevChildNode;
};
},
/**
* Returns the most recent calendar window in an application independent way
*/
getCalendarWindow: function cal_getCalendarWindow() {
return Services.wm.getMostRecentWindow("calendarMainWindow") ||
Services.wm.getMostRecentWindow("mail:3pane");
},
/**
* Adds an observer listening for the topic.
*
* @param func function to execute on topic
* @param topic topic to listen for
* @param oneTime whether to listen only once
*/
addObserver: function cal_addObserver(func, topic, oneTime) {
let observer = { // nsIObserver:
observe: function cal_addObserver_observe(subject, topic_, data) {
if (topic == topic_) {
if (oneTime) {
Services.obs.removeObserver(this, topic);
}
func(subject, topic, data);
}
}
};
Services.obs.addObserver(observer, topic, false /* don't hold weakly */);
},
/**
* Wraps an instance. Replaces calInstanceOf from calUtils.js
*
* @param aObj the object under consideration
* @param aInterface the interface to be wrapped
*
* Use this function to QueryInterface the object to a particular interface.
* You may only expect the return value to be wrapped, not the original passed object.
* For example:
* // BAD USAGE:
* if (cal.wrapInstance(foo, Ci.nsIBar)) {
* foo.barMethod();
* }
* // GOOD USAGE:
* foo = cal.wrapInstance(foo, Ci.nsIBar);
* if (foo) {
* foo.barMethod();
* }
*
*/
wrapInstance: function wrapInstance(aObj, aInterface) {
if (!aObj)
return null;
try {
return aObj.QueryInterface(aInterface);
} catch (e) {
return null;
}
},
/**
* Adds an xpcom shutdown observer.
*
* @param func function to execute
*/
addShutdownObserver: function cal_addShutdownObserver(func) {
cal.addObserver(func, "xpcom-shutdown", true /* one time */);
},
/**
* Due to wrapped js objects, some objects may have cyclic references.
* You can register properties of objects to be cleaned up on xpcom-shutdown.
*
* @param obj object
* @param prop property to be deleted on shutdown
* (if null, |object| will be deleted)
*/
registerForShutdownCleanup: shutdownCleanup
};
// local to this module;
// will be used to clean up global objects on shutdown
// some objects have cyclic references due to wrappers
function shutdownCleanup(obj, prop) {
if (!shutdownCleanup.mEntries) {
shutdownCleanup.mEntries = [];
cal.addShutdownObserver(function() {
for each (let entry in shutdownCleanup.mEntries) {
if (entry.mProp) {
delete entry.mObj[entry.mProp];
} else {
delete entry.mObj;
}
}
delete shutdownCleanup.mEntries;
});
}
shutdownCleanup.mEntries.push({ mObj: obj, mProp: prop });
}
// local to this module;
// will be used to generate service accessor functions
function generateServiceAccessor(id, iface) {
return function this_() {
if (!("mService" in this_)) {
this_.mService = Components.classes[id].getService(iface);
shutdownCleanup(this_, "mService");
}
return this_.mService;
};
}
// Interim import of all symbols into cal:
// This should serve as a clean start for new code, e.g. new code could use
// cal.createDatetime instead of plain createDatetime NOW.
cal.loadScripts(["calUtils.js"], cal);
// Some functions in calUtils.js refer to other in the same file, thus include
// the code in global scope (although only visible to this module file), too:
cal.loadScripts(["calUtils.js"], Components.utils.getGlobalForObject(cal));
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