AlkantarClanX12
Current Path : /proc/thread-self/root/proc/self/root/home/thanudqk/128shen.com/wp-includes/blocks/image/ |
Current File : //proc/thread-self/root/proc/self/root/home/thanudqk/128shen.com/wp-includes/blocks/image/view.js |
import * as __WEBPACK_EXTERNAL_MODULE__wordpress_interactivity_8e89b257__ from "@wordpress/interactivity"; /******/ // The require scope /******/ var __webpack_require__ = {}; /******/ /************************************************************************/ /******/ /* webpack/runtime/define property getters */ /******/ (() => { /******/ // define getter functions for harmony exports /******/ __webpack_require__.d = (exports, definition) => { /******/ for(var key in definition) { /******/ if(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) { /******/ Object.defineProperty(exports, key, { enumerable: true, get: definition[key] }); /******/ } /******/ } /******/ }; /******/ })(); /******/ /******/ /* webpack/runtime/hasOwnProperty shorthand */ /******/ (() => { /******/ __webpack_require__.o = (obj, prop) => (Object.prototype.hasOwnProperty.call(obj, prop)) /******/ })(); /******/ /************************************************************************/ var __webpack_exports__ = {}; ;// CONCATENATED MODULE: external "@wordpress/interactivity" var x = (y) => { var x = {}; __webpack_require__.d(x, y); return x } var y = (x) => (() => (x)) const interactivity_namespaceObject = x({ ["getContext"]: () => (__WEBPACK_EXTERNAL_MODULE__wordpress_interactivity_8e89b257__.getContext), ["getElement"]: () => (__WEBPACK_EXTERNAL_MODULE__wordpress_interactivity_8e89b257__.getElement), ["store"]: () => (__WEBPACK_EXTERNAL_MODULE__wordpress_interactivity_8e89b257__.store) }); ;// CONCATENATED MODULE: ./node_modules/@wordpress/block-library/build-module/image/view.js /** * WordPress dependencies */ /** * Tracks whether user is touching screen; used to differentiate behavior for * touch and mouse input. * * @type {boolean} */ let isTouching = false; /** * Tracks the last time the screen was touched; used to differentiate behavior * for touch and mouse input. * * @type {number} */ let lastTouchTime = 0; /** * Stores the image reference of the currently opened lightbox. * * @type {HTMLElement} */ let imageRef; /** * Stores the button reference of the currently opened lightbox. * * @type {HTMLElement} */ let buttonRef; const { state, actions, callbacks } = (0,interactivity_namespaceObject.store)('core/image', { state: { currentImage: {}, get overlayOpened() { return state.currentImage.currentSrc; }, get roleAttribute() { return state.overlayOpened ? 'dialog' : null; }, get ariaModal() { return state.overlayOpened ? 'true' : null; }, get enlargedSrc() { return state.currentImage.uploadedSrc || 'data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs='; }, get imgStyles() { return state.overlayOpened && `${state.currentImage.imgStyles?.replace(/;$/, '')}; object-fit:cover;`; } }, actions: { showLightbox() { const ctx = (0,interactivity_namespaceObject.getContext)(); // Bails out if the image has not loaded yet. if (!ctx.imageRef?.complete) { return; } // Stores the positons of the scroll to fix it until the overlay is // closed. state.scrollTopReset = document.documentElement.scrollTop; state.scrollLeftReset = document.documentElement.scrollLeft; // Moves the information of the expaned image to the state. ctx.currentSrc = ctx.imageRef.currentSrc; imageRef = ctx.imageRef; buttonRef = ctx.buttonRef; state.currentImage = ctx; state.overlayEnabled = true; // Computes the styles of the overlay for the animation. callbacks.setOverlayStyles(); }, hideLightbox() { if (state.overlayEnabled) { // Waits until the close animation has completed before allowing a // user to scroll again. The duration of this animation is defined in // the `styles.scss` file, but in any case we should wait a few // milliseconds longer than the duration, otherwise a user may scroll // too soon and cause the animation to look sloppy. setTimeout(function () { // Delays before changing the focus. Otherwise the focus ring will // appear on Firefox before the image has finished animating, which // looks broken. buttonRef.focus({ preventScroll: true }); // Resets the current image to mark the overlay as closed. state.currentImage = {}; imageRef = null; buttonRef = null; }, 450); // Starts the overlay closing animation. The showClosingAnimation // class is used to avoid showing it on page load. state.showClosingAnimation = true; state.overlayEnabled = false; } }, handleKeydown(event) { if (state.overlayEnabled) { // Focuses the close button when the user presses the tab key. if (event.key === 'Tab') { event.preventDefault(); const { ref } = (0,interactivity_namespaceObject.getElement)(); ref.querySelector('button').focus(); } // Closes the lightbox when the user presses the escape key. if (event.key === 'Escape') { actions.hideLightbox(); } } }, handleTouchMove(event) { // On mobile devices, prevents triggering the scroll event because // otherwise the page jumps around when it resets the scroll position. // This also means that closing the lightbox requires that a user // perform a simple tap. This may be changed in the future if there is a // better alternative to override or reset the scroll position during // swipe actions. if (state.overlayEnabled) { event.preventDefault(); } }, handleTouchStart() { isTouching = true; }, handleTouchEnd() { // Waits a few milliseconds before resetting to ensure that pinch to // zoom works consistently on mobile devices when the lightbox is open. lastTouchTime = Date.now(); isTouching = false; }, handleScroll() { // Prevents scrolling behaviors that trigger content shift while the // lightbox is open. It would be better to accomplish through CSS alone, // but using overflow: hidden is currently the only way to do so and // that causes a layout to shift and prevents the zoom animation from // working in some cases because it's not possible to account for the // layout shift when doing the animation calculations. Instead, it uses // JavaScript to prevent and reset the scrolling behavior. if (state.overlayOpened) { // Avoids overriding the scroll behavior on mobile devices because // doing so breaks the pinch to zoom functionality, and users should // be able to zoom in further on the high-res image. if (!isTouching && Date.now() - lastTouchTime > 450) { // It doesn't rely on `event.preventDefault()` to prevent scrolling // because the scroll event can't be canceled, so it resets the // position instead. window.scrollTo(state.scrollLeftReset, state.scrollTopReset); } } } }, callbacks: { setOverlayStyles() { if (!imageRef) { return; } let { naturalWidth, naturalHeight, offsetWidth: originalWidth, offsetHeight: originalHeight } = imageRef; let { x: screenPosX, y: screenPosY } = imageRef.getBoundingClientRect(); // Natural ratio of the image clicked to open the lightbox. const naturalRatio = naturalWidth / naturalHeight; // Original ratio of the image clicked to open the lightbox. let originalRatio = originalWidth / originalHeight; // If it has object-fit: contain, recalculates the original sizes // and the screen position without the blank spaces. if (state.currentImage.scaleAttr === 'contain') { if (naturalRatio > originalRatio) { const heightWithoutSpace = originalWidth / naturalRatio; // Recalculates screen position without the top space. screenPosY += (originalHeight - heightWithoutSpace) / 2; originalHeight = heightWithoutSpace; } else { const widthWithoutSpace = originalHeight * naturalRatio; // Recalculates screen position without the left space. screenPosX += (originalWidth - widthWithoutSpace) / 2; originalWidth = widthWithoutSpace; } } originalRatio = originalWidth / originalHeight; // Typically, it uses the image's full-sized dimensions. If those // dimensions have not been set (i.e. an external image with only one // size), the image's dimensions in the lightbox are the same // as those of the image in the content. let imgMaxWidth = parseFloat(state.currentImage.targetWidth !== 'none' ? state.currentImage.targetWidth : naturalWidth); let imgMaxHeight = parseFloat(state.currentImage.targetHeight !== 'none' ? state.currentImage.targetHeight : naturalHeight); // Ratio of the biggest image stored in the database. let imgRatio = imgMaxWidth / imgMaxHeight; let containerMaxWidth = imgMaxWidth; let containerMaxHeight = imgMaxHeight; let containerWidth = imgMaxWidth; let containerHeight = imgMaxHeight; // Checks if the target image has a different ratio than the original // one (thumbnail). Recalculates the width and height. if (naturalRatio.toFixed(2) !== imgRatio.toFixed(2)) { if (naturalRatio > imgRatio) { // If the width is reached before the height, it keeps the maxWidth // and recalculates the height unless the difference between the // maxHeight and the reducedHeight is higher than the maxWidth, // where it keeps the reducedHeight and recalculate the width. const reducedHeight = imgMaxWidth / naturalRatio; if (imgMaxHeight - reducedHeight > imgMaxWidth) { imgMaxHeight = reducedHeight; imgMaxWidth = reducedHeight * naturalRatio; } else { imgMaxHeight = imgMaxWidth / naturalRatio; } } else { // If the height is reached before the width, it keeps the maxHeight // and recalculate the width unlesss the difference between the // maxWidth and the reducedWidth is higher than the maxHeight, where // it keeps the reducedWidth and recalculate the height. const reducedWidth = imgMaxHeight * naturalRatio; if (imgMaxWidth - reducedWidth > imgMaxHeight) { imgMaxWidth = reducedWidth; imgMaxHeight = reducedWidth / naturalRatio; } else { imgMaxWidth = imgMaxHeight * naturalRatio; } } containerWidth = imgMaxWidth; containerHeight = imgMaxHeight; imgRatio = imgMaxWidth / imgMaxHeight; // Calculates the max size of the container. if (originalRatio > imgRatio) { containerMaxWidth = imgMaxWidth; containerMaxHeight = containerMaxWidth / originalRatio; } else { containerMaxHeight = imgMaxHeight; containerMaxWidth = containerMaxHeight * originalRatio; } } // If the image has been pixelated on purpose, it keeps that size. if (originalWidth > containerWidth || originalHeight > containerHeight) { containerWidth = originalWidth; containerHeight = originalHeight; } // Calculates the final lightbox image size and the scale factor. // MaxWidth is either the window container (accounting for padding) or // the image resolution. let horizontalPadding = 0; if (window.innerWidth > 480) { horizontalPadding = 80; } else if (window.innerWidth > 1920) { horizontalPadding = 160; } const verticalPadding = 80; const targetMaxWidth = Math.min(window.innerWidth - horizontalPadding, containerWidth); const targetMaxHeight = Math.min(window.innerHeight - verticalPadding, containerHeight); const targetContainerRatio = targetMaxWidth / targetMaxHeight; if (originalRatio > targetContainerRatio) { // If targetMaxWidth is reached before targetMaxHeight. containerWidth = targetMaxWidth; containerHeight = containerWidth / originalRatio; } else { // If targetMaxHeight is reached before targetMaxWidth. containerHeight = targetMaxHeight; containerWidth = containerHeight * originalRatio; } const containerScale = originalWidth / containerWidth; const lightboxImgWidth = imgMaxWidth * (containerWidth / containerMaxWidth); const lightboxImgHeight = imgMaxHeight * (containerHeight / containerMaxHeight); // As of this writing, using the calculations above will render the // lightbox with a small, erroneous whitespace on the left side of the // image in iOS Safari, perhaps due to an inconsistency in how browsers // handle absolute positioning and CSS transformation. In any case, // adding 1 pixel to the container width and height solves the problem, // though this can be removed if the issue is fixed in the future. state.overlayStyles = ` :root { --wp--lightbox-initial-top-position: ${screenPosY}px; --wp--lightbox-initial-left-position: ${screenPosX}px; --wp--lightbox-container-width: ${containerWidth + 1}px; --wp--lightbox-container-height: ${containerHeight + 1}px; --wp--lightbox-image-width: ${lightboxImgWidth}px; --wp--lightbox-image-height: ${lightboxImgHeight}px; --wp--lightbox-scale: ${containerScale}; --wp--lightbox-scrollbar-width: ${window.innerWidth - document.documentElement.clientWidth}px; } `; }, setButtonStyles() { const ctx = (0,interactivity_namespaceObject.getContext)(); const { ref } = (0,interactivity_namespaceObject.getElement)(); ctx.imageRef = ref; const { naturalWidth, naturalHeight, offsetWidth, offsetHeight } = ref; // If the image isn't loaded yet, it can't calculate where the button // should be. if (naturalWidth === 0 || naturalHeight === 0) { return; } const figure = ref.parentElement; const figureWidth = ref.parentElement.clientWidth; // It needs special handling for the height because a caption will cause // the figure to be taller than the image, which means it needs to // account for that when calculating the placement of the button in the // top right corner of the image. let figureHeight = ref.parentElement.clientHeight; const caption = figure.querySelector('figcaption'); if (caption) { const captionComputedStyle = window.getComputedStyle(caption); if (!['absolute', 'fixed'].includes(captionComputedStyle.position)) { figureHeight = figureHeight - caption.offsetHeight - parseFloat(captionComputedStyle.marginTop) - parseFloat(captionComputedStyle.marginBottom); } } const buttonOffsetTop = figureHeight - offsetHeight; const buttonOffsetRight = figureWidth - offsetWidth; // In the case of an image with object-fit: contain, the size of the // <img> element can be larger than the image itself, so it needs to // calculate where to place the button. if (ctx.scaleAttr === 'contain') { // Natural ratio of the image. const naturalRatio = naturalWidth / naturalHeight; // Offset ratio of the image. const offsetRatio = offsetWidth / offsetHeight; if (naturalRatio >= offsetRatio) { // If it reaches the width first, it keeps the width and compute the // height. const referenceHeight = offsetWidth / naturalRatio; ctx.imageButtonTop = (offsetHeight - referenceHeight) / 2 + buttonOffsetTop + 16; ctx.imageButtonRight = buttonOffsetRight + 16; } else { // If it reaches the height first, it keeps the height and compute // the width. const referenceWidth = offsetHeight * naturalRatio; ctx.imageButtonTop = buttonOffsetTop + 16; ctx.imageButtonRight = (offsetWidth - referenceWidth) / 2 + buttonOffsetRight + 16; } } else { ctx.imageButtonTop = buttonOffsetTop + 16; ctx.imageButtonRight = buttonOffsetRight + 16; } }, setOverlayFocus() { if (state.overlayEnabled) { // Moves the focus to the dialog when it opens. const { ref } = (0,interactivity_namespaceObject.getElement)(); ref.focus(); } }, initTriggerButton() { const ctx = (0,interactivity_namespaceObject.getContext)(); const { ref } = (0,interactivity_namespaceObject.getElement)(); ctx.buttonRef = ref; } } }, { lock: true });