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(function () { |
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function buildIframeSrc(provider, videoId) { |
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if (provider === 'vimeo') { |
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return 'https://player.vimeo.com/video/' + videoId + '?autoplay=1&title=0&byline=0&portrait=0'; |
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} |
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/* Default: YouTube */ |
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return 'https://www.youtube.com/embed/' + videoId + '?autoplay=1&rel=0&modestbranding=1'; |
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} |
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|
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function initFacade(facade) { |
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var provider = facade.getAttribute('data-provider') || 'youtube'; |
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var videoId = facade.getAttribute('data-vid') || ''; |
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var pulsing = facade.getAttribute('data-pulsing') === '1'; |
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|
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if (!videoId) return; |
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|
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/* Apply pulse class if needed */ |
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if (pulsing) { |
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var playInner = facade.querySelector('.bkbg-vf-play > div'); |
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if (playInner) playInner.classList.add('bkbg-vf-play-btn-inner', 'is-pulsing'); |
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} |
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|
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facade.addEventListener('click', function onClick() { |
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facade.removeEventListener('click', onClick); |
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|
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/* Freeze current dimensions */ |
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var rect = facade.getBoundingClientRect(); |
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facade.style.height = rect.height + 'px'; |
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facade.style.paddingBottom = '0'; |
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|
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/* Remove thumb / overlay / play / text */ |
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while (facade.firstChild) { facade.removeChild(facade.firstChild); } |
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|
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/* Insert iframe wrapper */ |
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var wrap = document.createElement('div'); |
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wrap.className = 'bkbg-vf-iframe-wrap'; |
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var iframe = document.createElement('iframe'); |
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iframe.src = buildIframeSrc(provider, videoId); |
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iframe.setAttribute('allow', 'autoplay; fullscreen; picture-in-picture'); |
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iframe.setAttribute('allowfullscreen', ''); |
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iframe.setAttribute('title', 'Video player'); |
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iframe.style.border = '0'; |
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wrap.appendChild(iframe); |
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facade.appendChild(wrap); |
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|
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facade.style.cursor = 'default'; |
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}); |
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} |
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|
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function init() { |
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var wrappers = document.querySelectorAll('.bkbg-vf-wrapper'); |
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wrappers.forEach(function(wrapper) { |
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var facade = wrapper.querySelector('.bkbg-vf-facade'); |
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if (facade) initFacade(facade); |
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}); |
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|
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/* Fade-in section on scroll */ |
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var io = new IntersectionObserver(function(entries, obs) { |
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entries.forEach(function(entry) { |
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if (entry.isIntersecting) { |
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obs.unobserve(entry.target); |
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entry.target.classList.add('is-visible'); |
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} |
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}); |
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}, { threshold: 0.1 }); |
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|
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wrappers.forEach(function(w){ io.observe(w); }); |
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} |
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|
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if (document.readyState !== 'loading') { init(); } |
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else { document.addEventListener('DOMContentLoaded', init); } |
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})(); |
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