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/* global Jetpack_Subscriptions */ |
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const { domReady } = wp; |
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domReady( () => { |
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const modal = document.querySelector( '.jetpack-subscribe-modal' ); |
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const modalDismissedCookie = 'jetpack_post_subscribe_modal_dismissed'; |
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const skipUrlParam = 'jetpack_skip_subscription_popup'; |
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|
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function hasEnoughTimePassed() { |
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const lastDismissed = localStorage.getItem( modalDismissedCookie ); |
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return lastDismissed ? Date.now() - lastDismissed > Jetpack_Subscriptions.modalInterval : true; |
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} |
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|
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// Subscriber ended up here e.g. from emails: |
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// we won't show the modal to them in future since they most likely are already a subscriber. |
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function skipModal() { |
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const url = new URL( window.location.href ); |
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if ( url.searchParams.has( skipUrlParam ) ) { |
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url.searchParams.delete( skipUrlParam ); |
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window.history.replaceState( {}, '', url ); |
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storeCloseTimestamp(); |
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return true; |
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} |
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|
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return false; |
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} |
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|
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if ( ! modal || ! hasEnoughTimePassed() || skipModal() ) { |
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return; |
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} |
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|
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const modalLoadTimeout = setTimeout( openModal, Jetpack_Subscriptions.modalLoadTime ); |
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|
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const targetElement = ( |
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document.querySelector( '.entry-content' ) || document.documentElement |
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).getBoundingClientRect(); |
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|
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function hasPassedScrollThreshold() { |
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const scrollPosition = window.scrollY + window.innerHeight / 2; |
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const scrollPositionThreshold = |
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targetElement.top + |
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( targetElement.height * Jetpack_Subscriptions.modalScrollThreshold ) / 100; |
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return scrollPosition > scrollPositionThreshold; |
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} |
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|
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function onScroll() { |
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requestAnimationFrame( () => { |
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if ( hasPassedScrollThreshold() ) { |
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openModal(); |
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} |
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} ); |
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} |
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|
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window.addEventListener( 'scroll', onScroll, { passive: true } ); |
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|
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// This take care of the case where the user has multiple tabs open. |
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function onLocalStorage( event ) { |
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if ( event.key === modalDismissedCookie ) { |
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closeModal(); |
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removeEventListeners(); |
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} |
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} |
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window.addEventListener( 'storage', onLocalStorage ); |
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|
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// When the form is submitted, and next modal loads, it'll fire "subscription-modal-loaded" signalling that this form can be hidden. |
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const form = modal.querySelector( 'form' ); |
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if ( form ) { |
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form.addEventListener( 'subscription-modal-loaded', closeModal ); |
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} |
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|
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// User can edit modal, and could remove close link. |
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function onCloseButtonClick( event ) { |
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event.preventDefault(); |
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closeModal(); |
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} |
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const close = document.getElementsByClassName( 'jetpack-subscribe-modal__close' )[ 0 ]; |
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if ( close ) { |
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close.addEventListener( 'click', onCloseButtonClick ); |
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} |
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|
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function closeOnWindowClick( event ) { |
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if ( event.target === modal ) { |
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closeModal(); |
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} |
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} |
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|
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function closeModalOnEscapeKeydown( event ) { |
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if ( event.key === 'Escape' ) { |
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closeModal(); |
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} |
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} |
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|
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function openModal() { |
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// If the user is typing in a form, don't open the modal or has anything else focused. |
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if ( document.activeElement && document.activeElement.tagName !== 'BODY' ) { |
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return; |
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} |
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|
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modal.classList.add( 'open' ); |
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document.body.classList.add( 'jetpack-subscribe-modal-open' ); |
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window.addEventListener( 'keydown', closeModalOnEscapeKeydown ); |
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window.addEventListener( 'click', closeOnWindowClick ); |
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removeEventListeners(); |
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} |
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|
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function closeModal() { |
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modal.classList.remove( 'open' ); |
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document.body.classList.remove( 'jetpack-subscribe-modal-open' ); |
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window.removeEventListener( 'keydown', closeModalOnEscapeKeydown ); |
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window.removeEventListener( 'storage', onLocalStorage ); |
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window.removeEventListener( 'click', closeOnWindowClick ); |
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storeCloseTimestamp(); |
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} |
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|
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// Remove all event listeners. That would add the modal again. |
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function removeEventListeners() { |
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window.removeEventListener( 'scroll', onScroll ); |
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clearTimeout( modalLoadTimeout ); |
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} |
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|
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function storeCloseTimestamp() { |
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localStorage.setItem( modalDismissedCookie, Date.now() ); |
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} |
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} ); |
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