Bug 1727522 - Use the i10n api instead for chat log date formatting. r=mkmelin

Differential Revision: https://phabricator.services.mozilla.com/D126573

--HG--
extra : amend_source : 83940cb5c9953a636b2785cd8b7ed0a369510f9b

chat/locales/en-US/dateFormat.properties

@@ -1,62 +0,0 @@
-# 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/.
-
-month.1.Mmm=Jan
-month.2.Mmm=Feb
-month.3.Mmm=Mar
-month.4.Mmm=Apr
-month.5.Mmm=May
-month.6.Mmm=Jun
-month.7.Mmm=Jul
-month.8.Mmm=Aug
-month.9.Mmm=Sep
-month.10.Mmm=Oct
-month.11.Mmm=Nov
-month.12.Mmm=Dec
-
-month.1.name=January
-month.2.name=February
-month.3.name=March
-month.4.name=April
-month.5.name=May
-month.6.name=June
-month.7.name=July
-month.8.name=August
-month.9.name=September
-month.10.name=October
-month.11.name=November
-month.12.name=December
-
-day.1.name=Sunday
-day.2.name=Monday
-day.3.name=Tuesday
-day.4.name=Wednesday
-day.5.name=Thursday
-day.6.name=Friday
-day.7.name=Saturday
-
-day.1.Mmm=Sun
-day.2.Mmm=Mon
-day.3.Mmm=Tue
-day.4.Mmm=Wed
-day.5.Mmm=Thu
-day.6.Mmm=Fri
-day.7.Mmm=Sat
-
-day.1.short=Su
-day.2.short=Mo
-day.3.short=Tu
-day.4.short=We
-day.5.short=Th
-day.6.short=Fr
-day.7.short=Sa
-
-noon=Noon
-midnight=Midnight
-
-AllDay=All Day
-
-# LOCALIZATION NOTE (finduri-MonthYear):
-# %1$S is the month name, %2$S is the year (4 digits format).
-finduri-MonthYear=%1$S %2$S

chat/locales/jar.mn

@@ -12,7 +12,6 @@
 	locale/@AB_CD@/chat/commands.properties (%commands.properties)
 	locale/@AB_CD@/chat/contacts.properties	(%contacts.properties)
 	locale/@AB_CD@/chat/conversations.properties (%conversations.properties)
-	locale/@AB_CD@/chat/dateFormat.properties (%dateFormat.properties)
 	locale/@AB_CD@/chat/facebook.properties	(%facebook.properties)
 	locale/@AB_CD@/chat/irc.properties	(%irc.properties)
 	locale/@AB_CD@/chat/logger.properties	(%logger.properties)

mail/components/im/content/chat-messenger.js

@@ -1857,35 +1857,16 @@ chatLogTreeView.prototype = {
     }
     this._rowMap = [];
 
-    // Used to show the dates in the log list in the locale of the application.
-    let dateFormatBundle = Services.strings.createBundle(
-      "chrome://chat/locale/dateFormat.properties"
-    );
     let placesBundle = Services.strings.createBundle(
       "chrome://places/locale/places.properties"
     );
-    const dateFormatter = new Services.intl.DateTimeFormat(undefined, {
-      dateStyle: "short",
+    let dateFormat = new Intl.DateTimeFormat(undefined, { dateStyle: "short" });
+    let monthYearFormat = new Intl.DateTimeFormat(undefined, {
+      year: "numeric",
+      month: "long",
     });
-    let formatDate = function(aDate) {
-      return dateFormatter.format(aDate);
-    };
-    let formatMonthYear = function(aDate) {
-      let month = formatMonth(aDate);
-      return dateFormatBundle.formatStringFromName("finduri-MonthYear", [
-        month,
-        aDate.getFullYear(),
-      ]);
-    };
-    let formatMonth = aDate =>
-      dateFormatBundle.GetStringFromName(
-        "month." + (aDate.getMonth() + 1) + ".name"
-      );
-    let formatWeekday = aDate =>
-      dateFormatBundle.GetStringFromName(
-        "day." + (aDate.getDay() + 1) + ".name"
-      );
-
+    let monthFormat = new Intl.DateTimeFormat(undefined, { month: "long" });
+    let weekdayFormat = new Intl.DateTimeFormat(undefined, { weekday: "long" });
     let nowDate = new Date();
     let todayDate = new Date(
       nowDate.getFullYear(),
@@ -1912,7 +1893,7 @@ chatLogTreeView.prototype = {
       let logDate = new Date(log.time * 1000);
       // Calculate elapsed time between the log and 00:00:00 today.
       let timeFromToday = todayDate - logDate;
-      let title = formatDate(logDate);
+      let title = dateFormat.format(logDate);
       let group;
       if (timeFromToday <= 0) {
         today = new chatLogTreeLogItem(
@@ -1931,7 +1912,7 @@ chatLogTreeView.prototype = {
       } else if (timeFromToday <= kWeekInMsecs - kDayInMsecs) {
         // Note that the 7 days of the current week include today.
         group = firstgroups.currentWeek;
-        title = formatWeekday(logDate);
+        title = weekdayFormat.format(logDate);
       } else if (timeFromToday <= kTwoWeeksInMsecs - kDayInMsecs) {
         group = firstgroups.previousWeek;
       } else {
@@ -1948,10 +1929,10 @@ chatLogTreeView.prototype = {
                 "finduri-AgeInMonths-is-0"
               );
             } else {
-              groupname = formatMonth(logDate);
+              groupname = monthFormat.format(logDate);
             }
           } else {
-            groupname = formatMonthYear(logDate);
+            groupname = monthYearFormat.format(logDate);
           }
           groups[groupID] = {
             entries: [],