eric/WeatherStar4000
1
0
Fork 0
mirror of https://github.com/netbymatt/ws4kp.git synced 2026-04-17 17:19:30 -07:00
Code Issues Packages Projects Releases Wiki Activity

better startup play/stop handing

Browse Source
This commit is contained in:
Matt Walsh
2020-09-17 16:34:38 -05:00
parent 36144f9eb1
commit 8f5b10664d
9 changed files with 157 additions and 174 deletions
Download Patch File Download Diff File Expand all files Collapse all files

42
server/scripts/modules/navigation.js
View File

@@ -1,6 +1,6 @@
'use strict';
// navigation handles progress, next/previous and initial load messages from the parent frame
/* globals utils, _StationInfo, STATUS */
/* globals index, utils, _StationInfo, STATUS */
/* globals CurrentWeather, LatestObservations, TravelForecast, RegionalForecast, LocalForecast, ExtendedForecast, Almanac, Radar, Progress */
document.addEventListener('DOMContentLoaded', () => {
@@ -15,7 +15,6 @@ const UNITS = {
const navigation = (() => {
let weatherParameters = {};
let displays = [];
let initialLoadDone = false;
let currentUnits = UNITS.english;
let playing = false;
let progress;
@@ -25,7 +24,6 @@ const navigation = (() => {
};
const message = (data) => {
// dispatch event
if (!data.type) return;
switch (data.type) {
@@ -48,14 +46,10 @@ const navigation = (() => {
};
const postMessage = (type, message = {}) => {
const parent = window.parent;
parent.postMessage(JSON.stringify({type, message}, window.location.origin));
index.message({type, message});
};
const getWeather = async (latLon) => {
// reset statuses
initialLoadDone = false;
// get initial weather data
const point = await utils.weather.getPoint(latLon.lat, latLon.lon);
@@ -93,6 +87,11 @@ const navigation = (() => {
// update the main process for display purposes
postMessage('weatherParameters', weatherParameters);
// draw the progress canvas
progress = new Progress(-1,'progress');
await progress.drawCanvas();
progress.showCanvas();
// start loading canvases if necessary
if (displays.length === 0) {
displays = [
@@ -114,25 +113,21 @@ const navigation = (() => {
// ShowDopplerMap(this.weatherParameters);
// GetWeatherHazards3(this.weatherParameters);
// draw the progress canvas
progress = new Progress(-1,'progress');
progress.drawCanvas();
progress.showCanvas();
};
// receive a status update from a module {id, value}
const updateStatus = (value) => {
// skip if initial load
if (initialLoadDone) return;
// test for loaded status
if (value.status !== STATUS.loaded) return;
if (value.id < 0) return;
progress.drawCanvas(displays, countLoadedCanvases());
// if this is the first display and we're playing, load it up so it starts playing
if (isPlaying() && value.id === 0 && value.status === STATUS.loaded) {
navTo(msg.command.firstFrame);
}
// send loaded messaged to parent
if (countLoadedCanvases() < displays.length) return;
postMessage('loaded');
// store the display number
};
const countLoadedCanvases = () => displays.reduce((acc, display) => {
@@ -183,9 +178,9 @@ const navigation = (() => {
const navTo = (direction) => {
// test for a current display
const current = currentDisplay();
progress.hideCanvas();
if (!current) {
// special case for no active displays (typically on progress screen)
progress.hideCanvas();
displays[0].navNext(msg.command.firstFrame);
return;
}
@@ -223,14 +218,23 @@ const navigation = (() => {
const setPlaying = (newValue) => {
playing = newValue;
postMessage('isPlaying', playing);
// if we're playing and on the progress screen jump to the next screen
if (!progress) return;
if (playing && !currentDisplay()) navTo(msg.command.firstFrame);
};
// handle all navigation buttons
const handleNavButton = (button) => {
switch (button) {
case 'play':
setPlaying(true);
break;
case 'playToggle':
setPlaying(!playing);
break;
case 'stop':
setPlaying(false);
break;
case 'next':
setPlaying(false);
navTo(msg.command.nextFrame);