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Fix issue where re-running bootupdate could disable existing polyfills

pull/855/head^2
Gordon Williams 2021-10-20 20:48:38 +01:00
parent fc3ce86009
commit 1cc7674aa7
2 changed files with 6 additions and 1 deletions
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2
apps/boot/ChangeLog
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@ -33,4 +33,4 @@
0.31: Add polyfills for g.wrapString, g.imageMetrics, g.stringMetrics
0.32: Fix single quote error in g.wrapString polyfill
improve g.stringMetrics polyfill
Fix issue where re-running bootupdate could disable existing polyfills

5
apps/boot/bootupdate.js
View File

@ -81,9 +81,11 @@ if (s.quiet && s.qmTimeout) boot+=`Bangle.setLCDTimeout(${s.qmTimeout});\n`;
if (s.passkey!==undefined && s.passkey.length==6) boot+=`NRF.setSecurity({passkey:${s.passkey}, mitm:1, display:1});\n`;
if (s.whitelist) boot+=`NRF.on('connect', function(addr) { if (!(require('Storage').readJSON('setting.json',1)||{}).whitelist.includes(addr)) NRF.disconnect(); });\n`;
// Pre-2v10 firmwares without a theme/setUI
delete g.theme; // deleting stops us getting confused by our own decl. builtins can't be deleted
if (!g.theme) {
boot += `g.theme={fg:-1,bg:0,fg2:-1,bg2:7,fgH:-1,bgH:0x02F7,dark:true};\n`;
}
delete Bangle.setUI; // deleting stops us getting confused by our own decl. builtins can't be deleted
if (!Bangle.setUI) { // assume this is just for F18 - Q3 should already have it
boot += `Bangle.setUI=function(mode, cb) {
if (Bangle.btnWatches) {
@ -131,6 +133,7 @@ else if (mode=="updown") {
throw new Error("Unknown UI mode");
};\n`;
}
delete g.imageMetrics; // deleting stops us getting confused by our own decl. builtins can't be deleted
if (!g.imageMetrics) { // added in 2v11 - this is a limited functionality polyfill
boot += `Graphics.prototype.imageMetrics=function(src) {
if (src[0]) return {width:src[0],height:src[1]};
@ -141,12 +144,14 @@ if (!g.imageMetrics) { // added in 2v11 - this is a limited functionality polyfi
return {width:im.charCodeAt(0), height:im.charCodeAt(1)};
};\n`;
}
delete g.stringMetrics; // deleting stops us getting confused by our own decl. builtins can't be deleted
if (!g.stringMetrics) { // added in 2v11 - this is a limited functionality polyfill
boot += `Graphics.prototype.stringMetrics=function(txt) {
txt = txt.toString().split("\\n");
return {width:Math.max.apply(null,txt.map(x=>g.stringWidth(x))), height:this.getFontHeight()*txt.length};
};\n`;
}
delete g.wrapString; // deleting stops us getting confused by our own decl. builtins can't be deleted
if (!g.wrapString) { // added in 2v11 - this is a limited functionality polyfill
boot += `Graphics.prototype.wrapString=function(str, maxWidth) {
var lines = [];