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const Storage = require("Storage");
const filename = 'toucher.json';
let settings = Storage.readJSON(filename,1) || {
hightres: true,
animation : true,
frame : 3,
debug: false
};
if(!settings.highres) Bangle.setLCDMode("80x80");
else Bangle.setLCDMode();
g.clear();
g.flip();
let icons = {};
const HEIGHT = g.getHeight();
const WIDTH = g.getWidth();
const HALF = WIDTH/2;
const ORIGINAL_ICON_SIZE = 48;
const STATE = {
settings_open: false,
index: 0,
target: 240,
offset: 0
};
function getPosition(index){
return (index*HALF);
}
function getApps(){
const exit_app = {
name: 'Exit',
special: true
};
const raw_apps = Storage.list(/\.info$/).filter(app => app.endsWith('.info')).map(app => Storage.readJSON(app,1) || { name: "DEAD: "+app.substr(1) })
.filter(app=>app.type=="app" || app.type=="clock" || !app.type)
.sort((a,b)=>{
var n=(0|a.sortorder)-(0|b.sortorder);
if (n) return n; // do sortorder first
if (a.name<b.name) return -1;
if (a.name>b.name) return 1;
return 0;
}).map(raw => ({
name: raw.name,
src: raw.src,
icon: raw.icon,
version: raw.version
}));
const apps = [Object.assign({}, exit_app)].concat(raw_apps);
apps.push(exit_app);
return apps.map((app, i) => {
app.x = getPosition(i);
return app;
});
}
const APPS = getApps();
function noIcon(x, y, scale){
if(scale < 0.2) return;
g.setColor(scale, scale, scale);
g.setFontAlign(0,0);
g.setFont('6x8',settings.highres ? 6:3);
g.drawString('x_x', x+1.5, y);
const h = (ORIGINAL_ICON_SIZE/3);
g.drawRect(x-h, y-h, x+h, y+h);
}
function render(){
const start = Date.now();
const ANIMATION_FRAME = settings.frame;
const ANIMATION_STEP = Math.floor(HALF / ANIMATION_FRAME);
const THRESHOLD = ANIMATION_STEP - 1;
g.clear();
const visibleApps = APPS.filter(app => app.x >= STATE.offset-HALF && app.x <= STATE.offset+WIDTH-HALF );
visibleApps.forEach(app => {
const x = app.x+HALF-STATE.offset;
const y = HALF - (HALF*0.3);
let dist = HALF - x;
if(dist < 0) dist *= -1;
const scale = 1 - (dist / HALF);
if(!scale) return;
if(app.special){
const font = settings.highres ? '6x8' : '4x6';
const fontSize = settings.highres ? 2 : 1;
g.setFont(font, fontSize);
g.setColor(scale,scale,scale);
g.setFontAlign(0,0);
g.drawString(app.name, HALF, HALF);
return;
}
//draw icon
const icon = app.icon ?
icons[app.name] ? icons[app.name] : Storage.read(app.icon)
: null;
if(icon){
icons[app.name] = icon;
try {
const rescale = settings.highres ? scale*ORIGINAL_ICON_SIZE : (scale*(ORIGINAL_ICON_SIZE/2));
const imageScale = settings.highres ? scale*2 : scale;
g.drawImage(icon, x-rescale, y-rescale, { scale: imageScale });
} catch(e){
noIcon(x, y, scale);
}
}else{
noIcon(x, y, scale);
}
//draw text
g.setColor(scale,scale,scale);
if(scale > 0.1){
const font = settings.highres ? '6x8': '4x6';
const fontSize = settings.highres ? 2 : 1;
g.setFont(font, fontSize);
g.setFontAlign(0,0);
g.drawString(app.name, HALF, HEIGHT/4*3);
}
if(settings.highres){
const type = app.type ? app.type : 'App';
const version = app.version ? app.version : '0.00';
const info = type+' v'+version;
g.setFontAlign(0,1);
g.setFont('6x8', 1.5);
g.setColor(scale,scale,scale);
g.drawString(info, HALF, 215, { scale: scale });
}
});
const duration = Math.floor(Date.now()-start);
if(settings.debug){
g.setFontAlign(0,1);
g.setColor(0, 1, 0);
const fontSize = settings.highres ? 2 : 1;
g.setFont('4x6',fontSize);
g.drawString('Render: '+duration+'ms', HALF, HEIGHT);
}
g.flip();
if(STATE.offset == STATE.target) return;
if(STATE.offset < STATE.target) STATE.offset += ANIMATION_STEP;
else if(STATE.offset > STATE.target) STATE.offset -= ANIMATION_STEP;
if(STATE.offset >= STATE.target-THRESHOLD && STATE.offset < STATE.target) STATE.offset = STATE.target;
if(STATE.offset <= STATE.target+THRESHOLD && STATE.offset > STATE.target) STATE.offset = STATE.target;
setTimeout(render, 0);
}
function animateTo(index){
STATE.index = index;
STATE.target = getPosition(index);
render();
}
function jumpTo(index){
STATE.index = index;
STATE.target = getPosition(index);
STATE.offset = STATE.target;
render();
}
function prev(){
if(STATE.settings_open) return;
if(STATE.index == 0) jumpTo(APPS.length-1);
setTimeout(() => {
if(!settings.animation) jumpTo(STATE.index-1);
else animateTo(STATE.index-1);
},1);
}
function next(){
if(STATE.settings_open) return;
if(STATE.index == APPS.length-1) jumpTo(0);
setTimeout(() => {
if(!settings.animation) jumpTo(STATE.index+1);
else animateTo(STATE.index+1);
},1);
}
function run(){
const app = APPS[STATE.index];
if(app.name == 'Exit') return load();
if (Storage.read(app.src)===undefined) {
E.showMessage("App Source\nNot found");
setTimeout(render, 2000);
} else {
Bangle.setLCDMode();
g.clear();
g.flip();
E.showMessage("Loading...");
load(app.src);
}
}
// Screen event
Bangle.on('touch', function(button){
if(STATE.settings_open) return;
switch(button){
case 1:
prev();
break;
case 2:
next();
break;
case 3:
run();
break;
}
});
Bangle.on('swipe', dir => {
if(STATE.settings_open) return;
if(dir == 1) prev();
else next();
});
// close launcher when lcd is off
Bangle.on('lcdPower', on => {
if(!on) return load();
});
setWatch(prev, BTN1, { repeat: true });
setWatch(next, BTN3, { repeat: true });
setWatch(run, BTN2, { repeat:true });
jumpTo(1);