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let oldg;
let id = null;
let hideCallback = null;
const titleFont = g.getWidth() / 8;
/**
* See notify/notify.js
*/
function fitWords(text,rows,width) {
// We never need more than rows*width characters anyway, split by any whitespace
const words = text.trim().substr(0,rows*width).split(/\s+/);
let row=1,len=0,limit=width;
let result = "";
for (let word of words) {
// len==0 means first word of row, after that we also add a space
if ((len?len+1:0)+word.length > limit) {
if (row>=rows) {
result += "...";
break;
}
result += "\n";
len=0;
row++;
if (row===rows) limit -= 3; // last row needs space for "..."
}
result += (len?" ":"") + word;
len += (len?1:0) + word.length;
}
return result;
}
/**
options = {
on : bool // turn screen on, default true
size : int // height of notification, default 120 (max)
title : string // optional title
id // optional notification ID, used with hide()
src : string // optional source name
body : string // optional body text
icon : string // optional icon (image string)
render : function(y) // function callback to render
bgColor : int/string // optional background color (default black)
titleBgColor : int/string // optional background color for title (default black)
onHide : function() // callback when notification is hidden
}
*/
exports.show = function(options) {
if (oldg) g=oldg;
options = options||{};
if (options.on===undefined) options.on=true;
id = ("id" in options)?options.id:null;
let size = options.size||120;
if (size>120) size=120;
try { Bangle.setLCDMode("direct"); } catch(e) {} // not supported/needed on Bangle.js 2
let x = 0,
y = 40,
w = g.getWidth(),
h = size;
// clear screen
g.reset();
if (options.bgColor!==undefined) g.setColor(options.bgColor);
g.clearRect(0,0,g.getWidth(),g.getHeight());
// top bar
if (options.title||options.src) {
const title = options.title || options.src;
g.setColor(options.titleBgColor||g.theme.bgH).fillRect(x, y, x+w-1, y+30);
g.setColor(g.theme.fgH).setFontAlign(-1, -1, 0).setFont("Vector", titleFont);
g.drawString(title.trim().substring(0, 13), x+5, y+3);
if (options.title && options.src) {
g.setColor(g.theme.fg).setFontAlign(1, 1, 0).setFont("6x8", 2);
// above drawing area, but we are fullscreen
g.drawString(options.src.substring(0, 10), w-16, y-4);
}
y += 30;h -= 30;
}
if (options.icon) {
let i = options.icon, iw,ih;
if ("string"==typeof i) {iw=i.charCodeAt(0); ih=i.charCodeAt(1);}
else {iw=i[0]; ih=i[1];}
const iy=y ? (y+4) : (h-ih)/2; // show below title bar if present, otherwise center vertically
g.drawImage(i, x+4,iy);
x += iw+4;w -= iw+4;
}
// body text
if (options.body) {
const maxRows = Math.floor((h-4)/16), // font=2*(6x8)
maxChars = Math.floor((w-4)/12),
text=fitWords(options.body, maxRows, maxChars);
g.setColor(g.theme.fg).setFont("6x8", 2).setFontAlign(-1, -1, 0).drawString(text, x+4, y+4);
}
if (options.render)
options.render({x:x, y:y, w:w, h:h});
if (options.on && !(require('Storage').readJSON('setting.json',1)||{}).quiet)
Bangle.setLCDPower(1); // light up
Bangle.on("touch", exports.hide);
if (options.onHide)
hideCallback = options.onHide;
// Create a fake graphics to hide draw attempts
oldg = g;
g = Graphics.createArrayBuffer(8,8,1);
g.flip = function() {};
};
/**
options = {
id // optional, only hide if current notification has this ID
}
*/
exports.hide = function(options) {
options = options||{};
if ("id" in options && options.id!==id) return;
if (hideCallback) hideCallback({id:id});
hideCallback = undefined;
id = null;
if (oldg) {
g=oldg;
oldg = undefined;
}
Bangle.removeListener("touch", exports.hide);
g.clear();
Bangle.drawWidgets();
if (Bangle.isLCDOn() || !(require('Storage').readJSON('setting.json',1)||{}).quiet) {
// flipping the screen off then on often triggers a redraw - it may not!
Bangle.setLCDPower(0);
Bangle.setLCDPower(1);
}
// hack for E.showMenu/showAlert/showPrompt - can force a redraw by faking next/back
if (!Bangle.CLOCK && Bangle.btnWatches && Bangle.btnWatches.length==3) {
global["\xff"].watches[Bangle.btnWatches[0]].callback();
global["\xff"].watches[Bangle.btnWatches[1]].callback();
}
};