class-jetpack-subscribe-modal.php
2 months ago
subscribe-modal.css
7 months ago
subscribe-modal.js
1 year ago
subscribe-modal.js
124 lines
| 1 | /* global Jetpack_Subscriptions */ |
| 2 | const { domReady } = wp; |
| 3 | domReady( () => { |
| 4 | const modal = document.querySelector( '.jetpack-subscribe-modal' ); |
| 5 | const modalDismissedCookie = 'jetpack_post_subscribe_modal_dismissed'; |
| 6 | const skipUrlParam = 'jetpack_skip_subscription_popup'; |
| 7 | |
| 8 | function hasEnoughTimePassed() { |
| 9 | const lastDismissed = localStorage.getItem( modalDismissedCookie ); |
| 10 | return lastDismissed ? Date.now() - lastDismissed > Jetpack_Subscriptions.modalInterval : true; |
| 11 | } |
| 12 | |
| 13 | // Subscriber ended up here e.g. from emails: |
| 14 | // we won't show the modal to them in future since they most likely are already a subscriber. |
| 15 | function skipModal() { |
| 16 | const url = new URL( window.location.href ); |
| 17 | if ( url.searchParams.has( skipUrlParam ) ) { |
| 18 | url.searchParams.delete( skipUrlParam ); |
| 19 | window.history.replaceState( {}, '', url ); |
| 20 | storeCloseTimestamp(); |
| 21 | return true; |
| 22 | } |
| 23 | |
| 24 | return false; |
| 25 | } |
| 26 | |
| 27 | if ( ! modal || ! hasEnoughTimePassed() || skipModal() ) { |
| 28 | return; |
| 29 | } |
| 30 | |
| 31 | const modalLoadTimeout = setTimeout( openModal, Jetpack_Subscriptions.modalLoadTime ); |
| 32 | |
| 33 | const targetElement = ( |
| 34 | document.querySelector( '.entry-content' ) || document.documentElement |
| 35 | ).getBoundingClientRect(); |
| 36 | |
| 37 | function hasPassedScrollThreshold() { |
| 38 | const scrollPosition = window.scrollY + window.innerHeight / 2; |
| 39 | const scrollPositionThreshold = |
| 40 | targetElement.top + |
| 41 | ( targetElement.height * Jetpack_Subscriptions.modalScrollThreshold ) / 100; |
| 42 | return scrollPosition > scrollPositionThreshold; |
| 43 | } |
| 44 | |
| 45 | function onScroll() { |
| 46 | requestAnimationFrame( () => { |
| 47 | if ( hasPassedScrollThreshold() ) { |
| 48 | openModal(); |
| 49 | } |
| 50 | } ); |
| 51 | } |
| 52 | |
| 53 | window.addEventListener( 'scroll', onScroll, { passive: true } ); |
| 54 | |
| 55 | // This take care of the case where the user has multiple tabs open. |
| 56 | function onLocalStorage( event ) { |
| 57 | if ( event.key === modalDismissedCookie ) { |
| 58 | closeModal(); |
| 59 | removeEventListeners(); |
| 60 | } |
| 61 | } |
| 62 | window.addEventListener( 'storage', onLocalStorage ); |
| 63 | |
| 64 | // When the form is submitted, and next modal loads, it'll fire "subscription-modal-loaded" signalling that this form can be hidden. |
| 65 | const form = modal.querySelector( 'form' ); |
| 66 | if ( form ) { |
| 67 | form.addEventListener( 'subscription-modal-loaded', closeModal ); |
| 68 | } |
| 69 | |
| 70 | // User can edit modal, and could remove close link. |
| 71 | function onCloseButtonClick( event ) { |
| 72 | event.preventDefault(); |
| 73 | closeModal(); |
| 74 | } |
| 75 | const close = document.getElementsByClassName( 'jetpack-subscribe-modal__close' )[ 0 ]; |
| 76 | if ( close ) { |
| 77 | close.addEventListener( 'click', onCloseButtonClick ); |
| 78 | } |
| 79 | |
| 80 | function closeOnWindowClick( event ) { |
| 81 | if ( event.target === modal ) { |
| 82 | closeModal(); |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | function closeModalOnEscapeKeydown( event ) { |
| 87 | if ( event.key === 'Escape' ) { |
| 88 | closeModal(); |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | function openModal() { |
| 93 | // If the user is typing in a form, don't open the modal or has anything else focused. |
| 94 | if ( document.activeElement && document.activeElement.tagName !== 'BODY' ) { |
| 95 | return; |
| 96 | } |
| 97 | |
| 98 | modal.classList.add( 'open' ); |
| 99 | document.body.classList.add( 'jetpack-subscribe-modal-open' ); |
| 100 | window.addEventListener( 'keydown', closeModalOnEscapeKeydown ); |
| 101 | window.addEventListener( 'click', closeOnWindowClick ); |
| 102 | removeEventListeners(); |
| 103 | } |
| 104 | |
| 105 | function closeModal() { |
| 106 | modal.classList.remove( 'open' ); |
| 107 | document.body.classList.remove( 'jetpack-subscribe-modal-open' ); |
| 108 | window.removeEventListener( 'keydown', closeModalOnEscapeKeydown ); |
| 109 | window.removeEventListener( 'storage', onLocalStorage ); |
| 110 | window.removeEventListener( 'click', closeOnWindowClick ); |
| 111 | storeCloseTimestamp(); |
| 112 | } |
| 113 | |
| 114 | // Remove all event listeners. That would add the modal again. |
| 115 | function removeEventListeners() { |
| 116 | window.removeEventListener( 'scroll', onScroll ); |
| 117 | clearTimeout( modalLoadTimeout ); |
| 118 | } |
| 119 | |
| 120 | function storeCloseTimestamp() { |
| 121 | localStorage.setItem( modalDismissedCookie, Date.now() ); |
| 122 | } |
| 123 | } ); |
| 124 |