mirror of
https://github.com/edward-shen/MMM-pages.git
synced 2024-11-24 11:14:29 -08:00
346 lines
12 KiB
JavaScript
346 lines
12 KiB
JavaScript
Module.register('MMM-pages', {
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// We require the older style of function declaration for compatibility
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// reasons.
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/**
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* By default, we have don't pseudo-paginate any modules. We also exclude
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* the page indicator by default, in case people actually want to use the
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* sister module. We also don't rotate out modules by default.
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*/
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defaults: {
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modules: [],
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excludes: [], // Keep for compatibility
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fixed: ['MMM-page-indicator'],
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hiddenPages: {},
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animationTime: 1000,
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rotationTime: 0,
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rotationFirstPage: 0, // Keep for compatibility
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rotationHomePage: 0,
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rotationDelay: 10000,
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homePage: 0,
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useLockString: true,
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pageTimeout: []
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},
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timer:null,
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/**
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* Apply any styles, if we have any.
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*/
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getStyles: function () {
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return ['pages.css'];
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},
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/**
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* Modulo that also works with negative numbers.
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*
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* @param {number} x The dividend
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* @param {number} n The divisor
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*/
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mod: function (x, n) {
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return ((x % n) + n) % n;
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},
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/**
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* Pseudo-constructor for our module. Makes sure that values aren't negative,
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* and sets the default current page to 0.
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*/
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start: function () {
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// Clamp homePage value to [0, num pages).
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if (this.config.homePage >= this.config.modules.length || this.config.homePage < 0) {
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this.config.homePage = 0;
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}
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this.curPage = this.config.homePage;
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this.rotationPaused = false;
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// Compatibility
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if (this.config.excludes.length) {
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Log.warn('[MMM-pages]: The config option "excludes" is deprecated. Please use "fixed" instead.');
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this.config.fixed = this.config.excludes;
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}
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if (this.config.rotationFirstPage) {
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Log.warn('[MMM-pages]: The config option "rotationFirstPage" is deprecated. Please used "rotationHomePage" instead.');
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this.config.rotationHomePage = this.config.rotationFirstPage;
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}
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// Disable rotation if an invalid input is given
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this.config.rotationTime = Math.max(this.config.rotationTime, 0);
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this.config.rotationDelay = Math.max(this.config.rotationDelay, 0);
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this.config.rotationHomePage = Math.max(this.config.rotationHomePage, 0);
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if (!this.config.useLockString) {
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Log.log('[MMM-pages]: User opted to not use lock strings!');
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}
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},
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/**
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* Handles incoming notifications. Responds to the following:
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* 'PAGE_CHANGED' - Set the page to the specified payload page.
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* 'PAGE_INCREMENT' - Move to the next page.
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* 'PAGE_DECREMENT' - Move to the previous page.
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* 'DOM_OBJECTS_CREATED' - Starts the module.
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* 'QUERY_PAGE_NUMBER' - Requests the current page number
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* 'PAUSE_ROTATION' - Stops rotation
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* 'RESUME_ROTATION' - Resumes rotation
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* 'HOME_PAGE' - Calls PAGED_CHANGED with the default home page.
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* 'SHOW_HIDDEN_PAGE' - Shows the (in the payload) specified hidden
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* page by name
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* 'LEAVE_HIDDEN_PAGE' - Hides the currently showing hidden page and
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* resumes showing the last page
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*
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* @param {string} notification the notification ID
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* @param {number|string} payload the page to change to/by
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*/
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notificationReceived: function (notification, payload) {
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switch (notification) {
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case 'PAGE_CHANGED':
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Log.log('[MMM-pages]: received a notification '
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+ `to change to page ${payload} of type ${typeof payload}`);
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this.curPage = payload;
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this.updatePages();
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break;
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case 'PAGE_INCREMENT':
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Log.log('[MMM-pages]: received a notification to increment pages!');
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this.changePageBy(payload, 1);
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this.updatePages();
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break;
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case 'PAGE_DECREMENT':
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Log.log('[MMM-pages]: received a notification to decrement pages!');
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// We can't just pass in -payload for situations where payload is null
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// JS will coerce -payload to -0.
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this.changePageBy(payload ? -payload : payload, -1);
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this.updatePages();
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break;
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case 'DOM_OBJECTS_CREATED':
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Log.log('[MMM-pages]: received that all objects are created;'
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+ ' will now hide things!');
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this.sendNotification('MAX_PAGES_CHANGED', this.config.modules.length);
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this.sendNotification('NEW_PAGE', this.curPage);
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this.animatePageChange();
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this.resetTimerWithDelay(0);
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break;
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case 'QUERY_PAGE_NUMBER':
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this.sendNotification('PAGE_NUMBER_IS', this.curPage);
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break;
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case 'PAUSE_ROTATION':
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this.setRotation(false);
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break;
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case 'RESUME_ROTATION':
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this.setRotation(true);
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break;
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case 'HOME_PAGE':
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this.notificationReceived('PAGE_CHANGED', this.config.homePage);
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break;
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case 'SHOW_HIDDEN_PAGE':
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Log.log(`[MMM-pages]: received a notification to change to the hidden page "${payload}" of type "${typeof payload}"`);
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this.setRotation(false);
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this.showHiddenPage(payload);
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break;
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case 'LEAVE_HIDDEN_PAGE':
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Log.log("[MMM-pages]: received a notification to leave the current hidden page ");
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this.animatePageChange();
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this.setRotation(true);
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break;
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default: // Do nothing
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}
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},
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/**
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* Changes the internal page number by the specified amount. If the provided
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* amount is invalid, use the fallback amount. If the fallback amount is
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* missing or invalid, do nothing.
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*
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* @param {number} amt the amount of pages to move forward by. Accepts
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* negative numbers.
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* @param {number} fallback the fallback value to use. Accepts negative
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* numbers.
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*/
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changePageBy: function (amt, fallback) {
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if (typeof amt !== 'number' && typeof fallback === 'undefined') {
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Log.warn(`[MMM-pages]: ${amt} is not a number!`);
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}
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if (typeof amt === 'number' && !Number.isNaN(amt)) {
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this.curPage = this.mod(
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this.curPage + amt,
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this.config.modules.length
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);
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} else if (typeof fallback === 'number') {
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this.curPage = this.mod(
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this.curPage + fallback,
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this.config.modules.length
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);
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}
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},
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/**
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* Handles hiding the current page's elements and showing the next page's
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* elements.
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*/
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updatePages: function () {
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// Update iff there's at least one page.
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if (this.config.modules.length !== 0) {
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this.animatePageChange();
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if (!this.rotationPaused) {
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this.resetTimerWithDelay(0);
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}
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this.sendNotification('NEW_PAGE', this.curPage);
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} else { Log.error("[MMM-pages]: Pages aren't properly defined!"); }
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},
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/**
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* Animates the page change from the previous page to the current one. This
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* assumes that there is a discrepancy between the page currently being shown
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* and the page that is meant to be shown.
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*
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* @param {string} [targetPageName] the name of the hiddenPage we want to show.
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* Optional and only used when we want to switch to a hidden page
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*/
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animatePageChange: function (targetPageName) {
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let lockStringObj = { lockString: this.identifier };
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if (!this.config.useLockString) {
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// Passing in an undefined object is equivalent to not passing it in at
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// all, effectively providing only one arg to the hide and show calls
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lockStringObj = undefined;
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}
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// Hides all modules not on the current page. This hides any module not
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// meant to be shown.
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const self = this;
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let modulesToShow;
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if (typeof targetPageName !== 'undefined') {
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modulesToShow = this.config.hiddenPages[targetPageName];
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} else {
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modulesToShow = this.config.fixed.concat(this.config.modules[this.curPage]);
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}
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const animationTime = self.config.animationTime / 2;
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MM.getModules()
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.exceptWithClass(modulesToShow)
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.enumerate(module => module.hide(animationTime,()=>{}, lockStringObj));
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// Shows all modules meant to be on the current page, after a small delay.
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setTimeout(() => {
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MM.getModules()
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.withClass(modulesToShow)
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.enumerate(module => module.show(animationTime, ()=>{}, lockStringObj));
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}, animationTime);
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},
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/**
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* Resets the page changing timer with a delay.
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*
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* @param {number} delay the delay, in milliseconds.
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*/
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resetTimerWithDelay: function (delay) {
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if (this.config.rotationTime > 0) {
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// This timer is the auto rotate function.
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if(this.timer){
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(this.config.pageTimeout.length?clearTimeout:clearInterval)(this.timer);
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this.timer=null
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}
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// This is delay timer after manually updating.
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if(this.delayTimer){
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clearTimeout(this.delayTimer);
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this.delayTimer=null
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}
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let rotation_timeout=this.config.rotationTime
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if(this.config.pageTimeout.length){
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for(let pageInfo of this.config.pageTimeout){
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if((pageInfo.pageNumber) -1 == this.curPage){
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rotation_timeout= pageInfo.timeout
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break;
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}
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}
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}
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const self = this;
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this.delayTimer = setTimeout(() => {
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self.timer = (this.config.pageTimeout.length?setTimeout:setInterval)(() => {
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// Inform other modules and page change.
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// MagicMirror automatically excludes the sender from receiving the
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// message, so we need to trigger it for ourselves.
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self.sendNotification('PAGE_INCREMENT');
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self.notificationReceived('PAGE_INCREMENT');
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}, rotation_timeout);
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}, delay, this);
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} else if (this.config.rotationHomePage > 0) {
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// This timer is the auto rotate function.
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if(this.timer){
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(this.config.pageTimeout.length?clearTimeout:clearInterval)(this.timer);
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this.timer = null
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}
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// This is delay timer after manually updating.
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if(this.delayTimer){
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clearTimeout(this.delayTimer);
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this.delayTimer=null
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}
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let rotation_timeout=this.config.rotationHomePage
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if(this.config.pageTimeout.length){
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for(let pageInfo of this.config.pageTimeout){
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if((pageInfo.pagenumber) -1 == this.curPage){
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rotation_timeout= pageInfo.timeout
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break;
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}
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}
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}
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const self = this;
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this.delayTimer = setTimeout(() => {
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this.delayTimer=null
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self.timer = (this.config.pageTimeout.length?setTimeout:setInterval)(() => {
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// Inform other modules and page change.
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// MagicMirror automatically excludes the sender from receiving the
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// message, so we need to trigger it for ourselves.
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self.sendNotification('PAGE_CHANGED', 0);
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self.notificationReceived('PAGE_CHANGED', self.config.homePage);
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}, rotation_timeout);
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}, delay);
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}
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},
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/**
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* Pause or resume the page rotation. If the provided isRotating value is
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* set to true, it will resume the rotation. If the requested
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* state (f.e. isRotating === true) equals the current state, print a warning
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* and do nothing.
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*
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* @param {boolean} isRotating the parameter, if you want to pause or resume.
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*/
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setRotation: function (isRotating) {
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const stateBaseString = (isRotating) ? "resum" : "paus";
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if (isRotating === this.rotationPaused) {
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Log.warn(`[MMM-pages]: Was asked to ${stateBaseString}e but rotation is already ${stateBaseString}ed!`);
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} else {
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Log.log(`[MMM-pages]: ${stateBaseString}ing rotation`);
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if (!isRotating) {
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if(this.timer){
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this.timer_clear_function(this.timer);
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this.timer=null
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}
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if(this.delayTimer){
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clearTimeout(this.delayTimer);
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this.delayTimer=null
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}
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} else {
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this.resetTimerWithDelay(this.rotationDelay);
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}
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this.rotationPaused = isRotating;
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}
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},
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/**
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* Handles hidden pages.
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*
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* @param {string} name the name of the hiddenPage we want to show
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*/
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showHiddenPage: function (name) {
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// Only proceed if the named hidden page actually exists
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if (name in this.config.hiddenPages) {
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this.animatePageChange(name);
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} else {
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Log.error(`Hidden page "${name}" does not exist!`);
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}
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},
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});
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