clock_info 0.13: Cache loaded ClockInfos so if we have clockInfoWidget and a clock, we don't load them twice (saves ~300ms)

apps/clock_info/ChangeLog

@@ -11,3 +11,4 @@
 0.10: Fix focus bug when changing focus between two clock infos
 0.11: Prepend swipe listener if possible
 0.12: Add drawFilledImage to allow drawing icons with a separately coloured middle
+0.13: Cache loaded ClockInfos so if we have clockInfoWidget and a clock, we don't load them twice (saves ~300ms)

apps/clock_info/lib.js

@@ -14,6 +14,8 @@ if (stepGoal == undefined) {
 exports.loadCount = 0;
 /// A list of all the instances returned by addInteractive
 exports.clockInfos = [];
+/// A list of loaded clockInfos
+exports.clockInfoMenus = undefined;
 
 /// Load the settings, with defaults
 exports.loadSettings = function() {
@@ -29,6 +31,8 @@ exports.loadSettings = function() {
 
 /// Load a list of ClockInfos - this does not cache and reloads each time
 exports.load = function() {
+  if (exports.clockInfoMenus)
+    return exports.clockInfoMenus;
   var settings = exports.loadSettings();
   delete settings.apps; // keep just the basic settings in memory
   // info used for drawing...
@@ -146,6 +150,7 @@ exports.load = function() {
   });
 
   // return it all!
+  exports.clockInfoMenus = menu;
   return menu;
 };
 
@@ -345,6 +350,9 @@ exports.addInteractive = function(menu, options) {
     menuHideItem(menu[options.menuA].items[options.menuB]);
     exports.loadCount--;
     delete exports.clockInfos[options.index];
+    // If nothing loaded now, clear our list of loaded menus
+    if (exports.loadCount==0)
+      exports.clockInfoMenus = undefined;
   };
   options.redraw = function() {
     drawItem(menu[options.menuA].items[options.menuB]);

apps/clock_info/metadata.json

@@ -1,7 +1,7 @@
 { "id": "clock_info",
   "name": "Clock Info Module",
   "shortName": "Clock Info",
-  "version":"0.12",
+  "version":"0.13",
   "description": "A library used by clocks to provide extra information on the clock face (Altitude, BPM, etc)",
   "icon": "app.png",
   "type": "module",