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/** |
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* Yatra 360° Tour Viewer Module |
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* Reusable 360° virtual tour viewer |
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* |
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* @package Yatra |
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* @version 1.0.0 |
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*/ |
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|
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(function() { |
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'use strict'; |
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|
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// Translation helper. Resolves through wp.i18n.__() when wp-i18n is |
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// enqueued (FrontendAssetsProvider registers it as a dependency for |
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// this script); falls back to identity so the page never breaks |
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// when the i18n runtime is unavailable on older builds. |
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// |
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// IMPORTANT — call sites MUST pass `'yatra'` as the second arg even |
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// though the shim ignores it. `wp i18n make-pot --domain=yatra` |
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// filters extraction to calls whose LITERAL second argument is the |
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// domain, so a bare `__('x')` is silently dropped from the .pot. |
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var __ = (window.wp && window.wp.i18n && window.wp.i18n.__) |
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? function (text, domain) { return window.wp.i18n.__(text, domain || 'yatra'); } |
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: function (text) { return text; }; |
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|
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class YatraTourViewer { |
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constructor() { |
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this.modal = null; |
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this.iframe = null; |
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this.currentTour = null; |
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this.init(); |
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} |
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|
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init() { |
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// Nothing is built here on purpose. The modal markup (and its |
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// empty <h3 class="yatra-tour-viewer-title">) used to be injected |
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// into <body> as soon as this script loaded — on every page, |
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// including ones with no 360° tour. It is now created on the |
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// first view() call, so pages that never open a tour never get |
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// the extra DOM. |
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} |
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|
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/** |
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* Build the modal once, on first use. |
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*/ |
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ensureModal() { |
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if (this.modal) { |
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return; |
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} |
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this.createModal(); |
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this.attachEventListeners(); |
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} |
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|
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createModal() { |
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// Check if modal already exists |
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if (document.getElementById('yatra-tour-viewer-modal')) { |
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this.modal = document.getElementById('yatra-tour-viewer-modal'); |
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this.iframe = document.getElementById('yatra-tour-viewer-iframe'); |
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return; |
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} |
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|
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// Pre-compute translated labels OUT of the template literal so |
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// makepot extracts them reliably. `wp i18n make-pot` doesn't |
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// always traverse into `${ }` interpolations; calls at top- |
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// level statements are always picked up. |
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var closeTourLabel = __('Close Tour', 'yatra'); |
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var fullscreenLabel = __('Fullscreen', 'yatra'); |
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|
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// Create modal HTML |
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const modalHTML = ` |
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<div id="yatra-tour-viewer-modal" class="yatra-tour-viewer-modal" style="display: none;"> |
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<div class="yatra-tour-viewer-overlay"></div> |
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<div class="yatra-tour-viewer-content"> |
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<button type="button" class="yatra-tour-viewer-close" aria-label="${closeTourLabel}"> |
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<svg width="24" height="24" fill="none" stroke="currentColor" viewBox="0 0 24 24"> |
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<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"/> |
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</svg> |
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</button> |
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<div class="yatra-tour-viewer-header"> |
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<h3 class="yatra-tour-viewer-title"></h3> |
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<div class="yatra-tour-viewer-controls"> |
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<button type="button" class="yatra-tour-viewer-fullscreen" aria-label="${fullscreenLabel}"> |
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<svg width="20" height="20" fill="none" stroke="currentColor" viewBox="0 0 24 24"> |
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<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 8V4m0 0h4M4 4l5 5m11-1V4m0 0h-4m4 0l-5 5M4 16v4m0 0h4m-4 0l5-5m11 5l-5-5m5 5v-4m0 4h-4"/> |
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</svg> |
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</button> |
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</div> |
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</div> |
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<div class="yatra-tour-viewer-wrapper"> |
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<iframe id="yatra-tour-viewer-iframe" |
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width="100%" |
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height="100%" |
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frameborder="0" |
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allowfullscreen |
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allow="gyroscope; accelerometer; xr-spatial-tracking"> |
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</iframe> |
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</div> |
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</div> |
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</div> |
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`; |
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|
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// Append to body |
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document.body.insertAdjacentHTML('beforeend', modalHTML); |
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|
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this.modal = document.getElementById('yatra-tour-viewer-modal'); |
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this.iframe = document.getElementById('yatra-tour-viewer-iframe'); |
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} |
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|
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attachEventListeners() { |
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// Close button |
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const closeBtn = this.modal.querySelector('.yatra-tour-viewer-close'); |
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if (closeBtn) { |
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closeBtn.addEventListener('click', () => this.close()); |
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} |
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|
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// Overlay click to close |
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const overlay = this.modal.querySelector('.yatra-tour-viewer-overlay'); |
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if (overlay) { |
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overlay.addEventListener('click', () => this.close()); |
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} |
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|
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// Fullscreen button |
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const fullscreenBtn = this.modal.querySelector('.yatra-tour-viewer-fullscreen'); |
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if (fullscreenBtn) { |
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fullscreenBtn.addEventListener('click', () => this.toggleFullscreen()); |
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} |
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|
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// ESC key to close |
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document.addEventListener('keydown', (e) => { |
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if (e.key === 'Escape' && this.modal.style.display === 'flex') { |
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this.close(); |
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} |
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}); |
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} |
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|
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/** |
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* View a 360° tour |
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* @param {Object} tour - Tour object with url, title, tour_type |
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*/ |
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view(tour) { |
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if (!tour || !tour.url) { |
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console.error('YatraTourViewer: Invalid tour object'); |
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return; |
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} |
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|
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this.currentTour = tour; |
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this.ensureModal(); |
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|
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// Set title |
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const titleElement = this.modal.querySelector('.yatra-tour-viewer-title'); |
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if (titleElement) { |
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titleElement.textContent = tour.title || __('360° Virtual Tour', 'yatra'); |
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} |
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|
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// Set iframe source |
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this.iframe.src = tour.url; |
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|
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// Show modal |
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this.open(); |
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} |
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|
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open() { |
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this.modal.style.display = 'flex'; |
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document.body.style.overflow = 'hidden'; |
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} |
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|
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close() { |
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if (!this.modal) { |
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return; // never opened on this page |
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} |
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this.modal.style.display = 'none'; |
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document.body.style.overflow = ''; |
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|
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// Stop tour by clearing iframe src |
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this.iframe.src = ''; |
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this.currentTour = null; |
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|
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// Exit fullscreen if active |
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if (document.fullscreenElement) { |
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document.exitFullscreen(); |
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} |
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} |
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|
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toggleFullscreen() { |
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if (!this.modal) { |
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return; |
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} |
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const wrapper = this.modal.querySelector('.yatra-tour-viewer-wrapper'); |
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|
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if (!document.fullscreenElement) { |
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if (wrapper.requestFullscreen) { |
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wrapper.requestFullscreen(); |
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} else if (wrapper.webkitRequestFullscreen) { |
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wrapper.webkitRequestFullscreen(); |
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} else if (wrapper.msRequestFullscreen) { |
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wrapper.msRequestFullscreen(); |
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} |
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} else { |
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if (document.exitFullscreen) { |
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document.exitFullscreen(); |
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} else if (document.webkitExitFullscreen) { |
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document.webkitExitFullscreen(); |
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} else if (document.msExitFullscreen) { |
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document.msExitFullscreen(); |
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} |
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} |
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} |
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} |
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|
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// Create global instance |
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window.YatraTourViewer = new YatraTourViewer(); |
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|
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// Log successful initialization |
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|
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|
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})(); |
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|
