swp2clk - Always have a swipe handler and decide what to do on every swipe
Martin Boonk
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62659c0042
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8b6bff8bf6
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@ -1,133 +1,47 @@
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/**
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{
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* How does this work?
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const DEBUG = false;
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*
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const FILE = "swp2clk.data.json";
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* Every *boot.js file is executed everytime any app is loaded, including this one.
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* We just need to figure out which app is currently loaded, in case we are in the white list / black list mode,
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* to figure out if the swipe handler should be attached or not.
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* It does not seem to be the case that this can be done easily, but we can work around it.
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* It seems that every app is loaded via the global "load" function, which takes a fileName as it's first parameter to load any app
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* or the default clock when the fileName is undefined.
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* To be able to use this for us, we wrap the global "load" function, and determine before loading the next app,
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* whether the swipe handler should be added or not, since we now know which app will be loaded.
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* Note: We cannot add the swipe handler inside the wrapped "load" function, because once the "load" function is complete
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* everything is cleaned up. That's why we merely save a flag, whether the swipe handler should be attached or not,
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* which is evaluated once this file is executed again, which will be right after the load function completes
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* (since every *boot.js file is executed everytime any app is loaded).
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*/
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(function () {
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let log = (message) => {
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var DEBUG = false;
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var FILE = "swp2clk.data.json";
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var swipeHandler = (dir) => {
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log("swipe");
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log(dir);
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if (dir === 1) {
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if (!Bangle.showClock) load();
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else Bangle.showClock();
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}
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};
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var main = () => {
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var settings = readSettings();
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if (settings.addSwipeHandler) {
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Bangle.on("swipe", swipeHandler);
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}
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var global_load = global.load;
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global.load = (fileName) => {
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log("loading filename!");
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log(fileName);
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var settings = readSettings();
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if (fileName && fileName != ".bootcde") {
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// "Off"
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if (settings.mode === 0) {
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settings.addSwipeHandler = false;
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}
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// "White List"
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if (settings.mode === 1) {
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if (settings.whiteList.indexOf(fileName) >= 0) {
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settings.addSwipeHandler = true;
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} else {
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settings.addSwipeHandler = false;
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}
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}
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// "Black List"
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if (settings.mode === 2) {
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if (settings.blackList.indexOf(fileName) >= 0) {
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settings.addSwipeHandler = false;
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} else {
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settings.addSwipeHandler = true;
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}
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}
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// "Always"
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if (settings.mode === 3) {
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settings.addSwipeHandler = true;
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}
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} else {
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// Clock will load
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settings.addSwipeHandler = false;
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}
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writeSettings(settings);
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global_load(fileName);
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};
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};
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// lib functions
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var log = (message) => {
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if (DEBUG) {
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if (DEBUG) {
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console.log(JSON.stringify(message));
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console.log(JSON.stringify(message));
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}
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}
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};
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};
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var readSettings = () => {
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let readSettings = () => {
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log("reading settings");
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log("reading settings");
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var settings = require("Storage").readJSON(FILE, 1) || {
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let settings = require("Storage").readJSON(FILE, 1) || {
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mode: 0,
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mode: 0,
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whiteList: [],
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whiteList: [],
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blackList: [],
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blackList: []
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addSwipeHandler: false,
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};
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};
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log(settings);
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log(settings);
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return settings;
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return settings;
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};
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};
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var writeSettings = (settings) => {
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let settings = readSettings();
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log("writing settings");
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//inhibit is needed to filter swipes that had another handler load anything earlier than this handler was called
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log(settings);
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let inhibit = false;
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require("Storage").writeJSON(FILE, settings);
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Bangle.load = ( o => (f) => {
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o(f);
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log("inhibit caused by change to:" + f);
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inhibit = true;
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})(Bangle.load);
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let swipeHandler = (dir) => {
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log("swipe:" + dir + " on app: " + __FILE__);
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if (!inhibit && dir === 1 && !Bangle.CLOCK && __FILE__ != ".bootcde") {
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log("on a not clock app " + __FILE__);
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if ((settings.mode === 1 && settings.whiteList.includes(__FILE__)) || // "White List"
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(settings.mode === 2 && !settings.blackList.includes(__FILE__)) || // "Black List"
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settings.mode === 3) { // "Always"
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log("load clock");
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Bangle.showClock();
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}
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}
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inhibit = false;
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};
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};
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// start main function
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Bangle.on("swipe", swipeHandler);
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}
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if (!Bangle.load){
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log("no Bangle.load available");
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main();
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} else {
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log("Bangle.load available");
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Bangle.load = (o => (fileName) => {
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log("load " + fileName);
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var settings = readSettings();
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log("remove swipe handler");
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Bangle.removeListener("swipe", swipeHandler);
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if (fileName && fileName != ".bootcde") {
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log("loading a not clock app " + fileName);
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if ((settings.mode === 1 && settings.whiteList.includes(fileName)) || // "White List"
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(settings.mode === 2 && !settings.blackList.includes(fileName)) || // "Black List"
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settings.mode === 3) { // "Always"
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log("register swipe handler");
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// The handler must be added in the next idle time to prevent it executing directly iff Bangle.load was called in another swipe handler
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setTimeout(()=>{Bangle.on("swipe", swipeHandler);},0);
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}
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}
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o(fileName);
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})(Bangle.load);
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}
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})();
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