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Update app.js 

Precalculate overall token height.
Have Bangle1 list UI work more like a Pebble.
pull/1527/head
Andrew Gregory 2022-02-19 17:20:09 +08:00 committed by GitHub
parent 6599c38988
commit 33dc4954c2
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1 changed files with 14 additions and 9 deletions
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23
apps/authentiwatch/app.js
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@ -1,5 +1,6 @@
const tokenextraheight = 16;
var tokendigitsheight = 30;
var tokenheight = tokendigitsheight + tokenextraheight;
// Hash functions
const crypto = require("crypto");
const algos = {
@ -198,15 +199,15 @@ function draw() {
}
if (tokens.length > 0) {
var drewcur = false;
var id = Math.floor(state.listy / (tokendigitsheight + tokenextraheight));
var y = id * (tokendigitsheight + tokenextraheight) + Bangle.appRect.y - state.listy;
var id = Math.floor(state.listy / tokenheight);
var y = id * tokenheight + Bangle.appRect.y - state.listy;
while (id < tokens.length && y < Bangle.appRect.y2) {
drawToken(id, {x:Bangle.appRect.x, y:y, w:Bangle.appRect.w, h:(tokendigitsheight + tokenextraheight)});
drawToken(id, {x:Bangle.appRect.x, y:y, w:Bangle.appRect.w, h:tokenheight});
if (id == state.curtoken && (tokens[id].period <= 0 || state.nextTime != 0)) {
drewcur = true;
}
id += 1;
y += (tokendigitsheight + tokenextraheight);
y += tokenheight;
}
if (drewcur) {
// the current token has been drawn - schedule a redraw
@ -240,18 +241,18 @@ function draw() {
function onTouch(zone, e) {
if (e) {
var id = Math.floor((state.listy + (e.y - Bangle.appRect.y)) / (tokendigitsheight + tokenextraheight));
var id = Math.floor((state.listy + (e.y - Bangle.appRect.y)) / tokenheight);
if (id == state.curtoken || tokens.length == 0 || id >= tokens.length) {
id = -1;
}
if (state.curtoken != id) {
if (id != -1) {
var y = id * (tokendigitsheight + tokenextraheight) - state.listy;
var y = id * tokenheight - state.listy;
if (y < 0) {
state.listy += y;
y = 0;
}
y += (tokendigitsheight + tokenextraheight);
y += tokenheight;
if (y > Bangle.appRect.h) {
state.listy += (y - Bangle.appRect.h);
}
@ -268,7 +269,7 @@ function onTouch(zone, e) {
function onDrag(e) {
if (e.x > g.getWidth() || e.y > g.getHeight()) return;
if (e.dx == 0 && e.dy == 0) return;
var newy = Math.min(state.listy - e.dy, tokens.length * (tokendigitsheight + tokenextraheight) - Bangle.appRect.h);
var newy = Math.min(state.listy - e.dy, tokens.length * tokenheight - Bangle.appRect.h);
state.listy = Math.max(0, newy);
draw();
}
@ -300,8 +301,12 @@ function bangle1Btn(e) {
}
state.curtoken = Math.max(state.curtoken, 0);
state.curtoken = Math.min(state.curtoken, tokens.length - 1);
state.listy = state.curtoken * tokenheight;
state.listy -= (Bangle.appRect.h - tokenheight) / 2;
state.listy = Math.min(state.listy, tokens.length * tokenheight - Bangle.appRect.h);
state.listy = Math.max(state.listy, 0);
var fakee = {};
fakee.y = state.curtoken * (tokendigitsheight + tokenextraheight) - state.listy + Bangle.appRect.y;
fakee.y = state.curtoken * tokenheight - state.listy + Bangle.appRect.y;
state.curtoken = -1;
state.nextTime = 0;
onTouch(0, fakee);