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/* SPDX-License-Identifier: AGPL-3.0-or-later */
import "../../../node_modules/swiped-events/src/swiped-events.js";
(function (w, d, searxng) {
'use strict';
if (searxng.endpoint !== 'results') {
return;
}
searxng.ready(function () {
d.querySelectorAll('#urls img').forEach(
img =>
img.addEventListener(
'error', () => {
// console.log("ERROR can't load: " + img.src);
img.src = window.searxng.settings.theme_static_path + "/img/img_load_error.svg";
},
{once: true}
));
if (d.querySelector('#search_url button#copy_url')) {
d.querySelector('#search_url button#copy_url').style.display = "block";
}
searxng.on('.btn-collapse', 'click', function () {
var btnLabelCollapsed = this.getAttribute('data-btn-text-collapsed');
var btnLabelNotCollapsed = this.getAttribute('data-btn-text-not-collapsed');
var target = this.getAttribute('data-target');
var targetElement = d.querySelector(target);
var html = this.innerHTML;
if (this.classList.contains('collapsed')) {
html = html.replace(btnLabelCollapsed, btnLabelNotCollapsed);
} else {
html = html.replace(btnLabelNotCollapsed, btnLabelCollapsed);
}
this.innerHTML = html;
this.classList.toggle('collapsed');
targetElement.classList.toggle('invisible');
});
searxng.on('.media-loader', 'click', function () {
var target = this.getAttribute('data-target');
var iframe_load = d.querySelector(target + ' > iframe');
var srctest = iframe_load.getAttribute('src');
if (srctest === null || srctest === undefined || srctest === false) {
iframe_load.setAttribute('src', iframe_load.getAttribute('data-src'));
}
});
searxng.on('#copy_url', 'click', function () {
var target = this.parentElement.querySelector('pre');
navigator.clipboard.writeText(target.innerText);
this.innerText = this.dataset.copiedText;
});
// searxng.selectImage (gallery)
// -----------------------------
// setTimeout() ID, needed to cancel *last* loadImage
let imgTimeoutID;
// progress spinner, while an image is loading
const imgLoaderSpinner = d.createElement('div');
imgLoaderSpinner.classList.add('loader');
// singleton image object, which is used for all loading processes of a
// detailed image
const imgLoader = new Image();
const loadImage = (imgSrc, onSuccess) => {
// if defered image load exists, stop defered task.
if (imgTimeoutID) clearTimeout(imgTimeoutID);
// defer load of the detail image for 1 sec
imgTimeoutID = setTimeout(() => {
imgLoader.src = imgSrc;
}, 1000);
// set handlers in the on-properties
imgLoader.onload = () => {
onSuccess();
imgLoaderSpinner.remove();
};
imgLoader.onerror = () => {
imgLoaderSpinner.remove();
};
};
searxng.selectImage = (resultElement) => {
// add a class that can be evaluated in the CSS and indicates that the
// detail view is open
d.getElementById('results').classList.add('image-detail-open');
// add a hash to the browser history so that pressing back doesn't return
// to the previous page this allows us to dismiss the image details on
// pressing the back button on mobile devices
window.location.hash = '#image-viewer';
searxng.scrollPageToSelected();
// if there is none element given by the caller, stop here
if (!resultElement) return;
// find <img> object in the element, if there is none, stop here.
const img = resultElement.querySelector('.result-images-source img');
if (!img) return;
// <img src="" data-src="http://example.org/image.jpg">
const src = img.getAttribute('data-src');
// already loaded high-res image or no high-res image available
if (!src) return;
// use the image thumbnail until the image is fully loaded
const thumbnail = resultElement.querySelector('.image_thumbnail');
img.src = thumbnail.src;
// show a progress spinner
const detailElement = resultElement.querySelector('.detail');
detailElement.appendChild(imgLoaderSpinner);
// load full size image in background
loadImage(src, () => {
// after the singelton loadImage has loaded the detail image into the
// cache, it can be used in the origin <img> as src property.
img.src = src;
img.removeAttribute('data-src');
});
};
searxng.closeDetail = function () {
d.getElementById('results').classList.remove('image-detail-open');
// remove #image-viewer hash from url by navigating back
if (window.location.hash == '#image-viewer') window.history.back();
searxng.scrollPageToSelected();
};
searxng.on('.result-detail-close', 'click', e => {
e.preventDefault();
searxng.closeDetail();
});
searxng.on('.result-detail-previous', 'click', e => {
e.preventDefault();
searxng.selectPrevious(false);
});
searxng.on('.result-detail-next', 'click', e => {
e.preventDefault();
searxng.selectNext(false);
});
// listen for the back button to be pressed and dismiss the image details when called
window.addEventListener('hashchange', () => {
if (window.location.hash != '#image-viewer') searxng.closeDetail();
});
d.querySelectorAll('.swipe-horizontal').forEach(
obj => {
obj.addEventListener('swiped-left', function () {
searxng.selectNext(false);
});
obj.addEventListener('swiped-right', function () {
searxng.selectPrevious(false);
});
}
);
w.addEventListener('scroll', function () {
var e = d.getElementById('backToTop'),
scrollTop = document.documentElement.scrollTop || document.body.scrollTop,
results = d.getElementById('results');
if (e !== null) {
if (scrollTop >= 100) {
results.classList.add('scrolling');
} else {
results.classList.remove('scrolling');
}
}
}, true);
});
})(window, document, window.searxng);
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