Working on interface functionality

apps/presentor/app.js

@@ -124,12 +124,12 @@ let mainLayout = new Layout( {
   }, {
     type: 'txt',
     font: '15%',
-      label: 'Subject',
+    label: 'Presenting',
     id: 'Subject'
   }, {
     type: 'txt',
     font: '6x8',
-      label: 'Notes...',
+    label: 'Swipe down to start the time.',
     id: 'Notes',
     col: '#ff0',
     fillx: 1,
@@ -140,42 +140,81 @@ let mainLayout = new Layout( {
 ]
 }, {lazy:true});
 
-let settings = require("Storage").readJSON('presentor.json');
+let settings = {pparts: [], sversion: 0};
 let HIDenabled = false;
 
 // Application variables
-let pparti = 0;
+let pparti = -1;
 
 let lastx = 0;
 let lasty = 0;
-let timeoutId = -1;
+
+// Mouse states
 let holding = false;
+let trackPadMode = false;
+
+// Timeout IDs.
+let timeoutId = -1;
 let timeoutHolding = -1;
 let timeoutDraw = -1;
+let timeoutDrawTimer = -1;
+
 
 let homeRoll = 0;
 let homePitch = 0;
-
-let trackPadMode = false;
-
 let mCal = 0;
-
-let clearToSend = true;
 let mttl = 0;
 let cttl = 0;
 
+// BT helper.
+let clearToSend = true;
+
+// Presentation Timers
+let ptimers = [];
+
+function loadSettings() {
+settings = require("Storage").readJSON('presentor.json');
+for (let i = 0; i < settings.pparts.length; i++) {
+  ptimers[i] = {
+    active: false,
+    tracked: -1,
+    left: settings.pparts[i].minutes * 60 + settings.pparts[i].seconds
+  };
+}
+}
+
+function getCurrentTimer() {
+if (pparti < 0) return '00:00';
+if (!settings.pparts || pparti >= settings.pparts.length) return '00:00';
+if (ptimers[pparti].tracked == -1) return '00:00';
+ptimers[pparti].left -= (getTime() - ptimers[pparti].tracked);
+ptimers[pparti].tracked = getTime();
+return `${Math.floor(ptimers[pparti].left/60)}:${Math.floor(ptimers[pparti].left%60)}`;
+}
+
+function getRestTime() {
+let rem = 0;
+// Add all remaining time from previous presentation parts.
+for (let i = 0; i < pparti; i++) {
+  rem += ptimers[i].left;
+}
+return `${rem >= 0 ? '+':'-'}${Math.floor(rem/60)}:${Math.floor(rem%60)}`;
+}
 
 function drawMainFrame() {
 var d = new Date();
 // update time
 mainLayout.Time.label = Locale.time(d,1);
+// update timer
+mainLayout.Timer.label = getCurrentTimer();
+mainLayout.RestTime.label = getRestTime();
 mainLayout.render();
 // schedule a draw for the next minute
 if (timeoutDraw != -1) clearTimeout(timeoutDraw);
 timeoutDraw = setTimeout(function() {
   timeoutDraw = -1;
   drawMainFrame();
-  }, 60000 - (Date.now() % 60000));
+}, 1000 - (Date.now() % 1000));
 }
 
 function drawMain() {
@@ -186,6 +225,17 @@ function drawMain() {
 // E.showMessage('Presentor');
 }
 
+function doPPart(r) {
+pparti += r;
+if (pparti < 0) return;
+if (!settings.pparts || pparti >= settings.pparts.length) return;
+let ppart = settings.pparts[pparti];
+mainLayout.Subject.label = ppart.subject;
+mainLayout.Notes.label = ppart.notes;
+ptimers[pparti].tracked = getTime();
+drawMainFrame();
+}
+
 NRF.setServices(undefined, { hid : SpecialReport });
 // TODO: figure out how to detect HID.
 NRF.on('HID', function() {
@@ -319,11 +369,11 @@ Bangle.on('drag', function(e) {
   if(!e.b){
     Bangle.buzz(100);
     if(lasty >  40){
+      doPPart(1);
       E.showMessage('down');
-        scroll(0,1);
     } else if(lasty < -40){
-        E.showMessage(kb.KEY.A);
-        pressKey(kb.KEY.A);
+      doPPart(-1);
+      E.showMessage('up');
     } else if(lastx > 40){
       E.showMessage('right');
       //kb.tap(kb.KEY.RIGHT, 0);
@@ -364,4 +414,5 @@ function onBtn() {
 }
 setWatch(onBtn, (process.env.HWVERSION==2) ? BTN1 : BTN2, {repeat: true});
 
+loadSettings();
 drawMain();