1 files changed, 122 insertions, 0 deletions
diff --git a/comm/calendar/base/src/CalRecurrenceDate.jsm b/comm/calendar/base/src/CalRecurrenceDate.jsm
new file mode 100644
index 0000000000..cd43979a38
--- /dev/null
+++ b/comm/calendar/base/src/CalRecurrenceDate.jsm
@@ -0,0 +1,122 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * 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/. */
+
+var EXPORTED_SYMBOLS = ["CalRecurrenceDate"];
+
+var { cal } = ChromeUtils.import("resource:///modules/calendar/calUtils.jsm");
+
+const lazy = {};
+ChromeUtils.defineModuleGetter(lazy, "CalPeriod", "resource:///modules/CalPeriod.jsm");
+
+function CalRecurrenceDate() {
+  this.wrappedJSObject = this;
+}
+
+var calRecurrenceDateClassID = Components.ID("{806b6423-3aaa-4b26-afa3-de60563e9cec}");
+var calRecurrenceDateInterfaces = [Ci.calIRecurrenceItem, Ci.calIRecurrenceDate];
+CalRecurrenceDate.prototype = {
+  isMutable: true,
+
+  mIsNegative: false,
+  mDate: null,
+
+  classID: calRecurrenceDateClassID,
+  QueryInterface: cal.generateQI(["calIRecurrenceItem", "calIRecurrenceDate"]),
+  classInfo: cal.generateCI({
+    classID: calRecurrenceDateClassID,
+    contractID: "@mozilla.org/calendar/recurrence-date;1",
+    classDescription: "The date of an occurrence of a recurring item",
+    interfaces: calRecurrenceDateInterfaces,
+  }),
+
+  makeImmutable() {
+    this.isMutable = false;
+  },
+
+  ensureMutable() {
+    if (!this.isMutable) {
+      throw Components.Exception("", Cr.NS_ERROR_OBJECT_IS_IMMUTABLE);
+    }
+  },
+
+  clone() {
+    let other = new CalRecurrenceDate();
+    other.mDate = this.mDate ? this.mDate.clone() : null;
+    other.mIsNegative = this.mIsNegative;
+    return other;
+  },
+
+  get isNegative() {
+    return this.mIsNegative;
+  },
+  set isNegative(val) {
+    this.ensureMutable();
+    this.mIsNegative = val;
+  },
+
+  get isFinite() {
+    return true;
+  },
+
+  get date() {
+    return this.mDate;
+  },
+  set date(val) {
+    this.ensureMutable();
+    this.mDate = val;
+  },
+
+  getNextOccurrence(aStartTime, aOccurrenceTime) {
+    if (this.mDate && this.mDate.compare(aStartTime) > 0) {
+      return this.mDate;
+    }
+    return null;
+  },
+
+  getOccurrences(aStartTime, aRangeStart, aRangeEnd, aMaxCount) {
+    if (
+      this.mDate &&
+      this.mDate.compare(aRangeStart) >= 0 &&
+      (!aRangeEnd || this.mDate.compare(aRangeEnd) < 0)
+    ) {
+      return [this.mDate];
+    }
+    return [];
+  },
+
+  get icalString() {
+    let comp = this.icalProperty;
+    return comp ? comp.icalString : "";
+  },
+  set icalString(val) {
+    let prop = cal.icsService.createIcalPropertyFromString(val);
+    let propName = prop.propertyName;
+    if (propName != "RDATE" && propName != "EXDATE") {
+      throw Components.Exception("", Cr.NS_ERROR_ILLEGAL_VALUE);
+    }
+
+    this.icalProperty = prop;
+  },
+
+  get icalProperty() {
+    let prop = cal.icsService.createIcalProperty(this.mIsNegative ? "EXDATE" : "RDATE");
+    prop.valueAsDatetime = this.mDate;
+    return prop;
+  },
+  set icalProperty(prop) {
+    if (prop.propertyName == "RDATE") {
+      this.mIsNegative = false;
+      if (prop.getParameter("VALUE") == "PERIOD") {
+        let period = new lazy.CalPeriod();
+        period.icalString = prop.valueAsIcalString;
+        this.mDate = period.start;
+      } else {
+        this.mDate = prop.valueAsDatetime;
+      }
+    } else if (prop.propertyName == "EXDATE") {
+      this.mIsNegative = true;
+      this.mDate = prop.valueAsDatetime;
+    }
+  },
+};