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stlap: slow down javascript when the user's not watching

pull/2726/head
Rob Pilling 2023-05-06 11:37:55 +01:00
parent 8702b35045
commit 16d4dc7588
1 changed files with 22 additions and 4 deletions
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26
apps/stlap/app.js
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@ -157,7 +157,7 @@ function firstTimeStart(now, time) {
elapsedTime: 0,
};
lapFile = 'stlap-' + state.sessionStart + '.json';
setupTimerInterval();
setupTimerIntervalFast();
Bangle.buzz(200);
drawButtons();
}
@ -201,13 +201,15 @@ function start(now, time) {
state.elapsedTime += (state.pausedTime - state.startTime);
state.startTime = now;
state.running = true;
setupTimerInterval();
setupTimerIntervalFast();
Bangle.buzz(200);
drawTime();
drawButtons();
}
Bangle.on("touch", (button, xy) => {
setupTimerIntervalFast();
//In gesture mode, just turn on the light and then return
if (gestureMode) {
Bangle.setLCDPower(true);
@ -242,6 +244,8 @@ Bangle.on("touch", (button, xy) => {
});
Bangle.on('swipe', direction => {
setupTimerIntervalFast();
let now = (new Date()).getTime();
let time = getTime();
@ -272,12 +276,23 @@ setWatch(() => {
}, BTN1, { repeat: true });
let timerInterval;
let userWatching = false;
function setupTimerIntervalFast() {
userWatching = true;
setupTimerInterval();
setTimeout(() => {
userWatching = false;
setupTimerInterval();
}, 5000);
}
function setupTimerInterval() {
if (timerInterval !== undefined) {
clearInterval(timerInterval);
}
timerInterval = setInterval(drawTime, 10);
timerInterval = setInterval(drawTime, userWatching ? 10 : 1000);
}
function stopTimerInterval() {
@ -289,7 +304,7 @@ function stopTimerInterval() {
drawTime();
if (state.running) {
setupTimerInterval();
setupTimerIntervalFast();
}
//Save our state when the app is closed
@ -300,5 +315,8 @@ E.on('kill', () => {
}
});
// change interval depending of whether the user's looking
Bangle.on("twist", setupTimerIntervalFast);
Bangle.loadWidgets();
Bangle.drawWidgets();