195 lines
6.2 KiB
JavaScript
195 lines
6.2 KiB
JavaScript
// @license magnet:?xt=urn:btih:0b31508aeb0634b347b8270c7bee4d411b5d4109&dn=agpl-3.0.txt AGPLv3-or-later
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/*
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* The javascript for friendicas hovercard. Bootstraps popover is needed.
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*
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* Much parts of the code are from Hannes Mannerheims <h@nnesmannerhe.im>
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* qvitter code (https://github.com/hannesmannerheim/qvitter)
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*
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* It is licensed under the GNU Affero General Public License <http://www.gnu.org/licenses/>
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*
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*/
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$(document).ready(function () {
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let $body = $("body");
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// Prevents normal click action on click hovercard elements
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$body.on("click", ".userinfo.click-card", function (e) {
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e.preventDefault();
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});
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// This event listener needs to be declared before the one that removes
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// all cards so that we can stop the immediate propagation of the event
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// Since the manual popover appears instantly and the hovercard removal is
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// on a 100ms delay, leaving event propagation immediately hides any click hovercard
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$body.on("mousedown", ".userinfo.click-card", function (e) {
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e.stopImmediatePropagation();
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let timeNow = new Date().getTime();
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let contactUrl = false;
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let targetElement = $(this);
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// get href-attribute
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if (targetElement.is("[href]")) {
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contactUrl = targetElement.attr("href");
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} else {
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return true;
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}
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// no hovercard for anchor links
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if (contactUrl.substring(0, 1) === "#") {
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return true;
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}
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openHovercard(targetElement, contactUrl, timeNow);
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});
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// hover cards should be removed very easily, e.g. when any of these events happens
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$body.on("mouseleave touchstart scroll mousedown submit keydown", function (e) {
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// remove hover card only for desktiop user, since on mobile we open the hovercards
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// by click event insteadof hover
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removeAllHovercards(e, new Date().getTime());
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});
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$body
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.on("mouseover", ".userinfo.hover-card, .wall-item-responses a, .wall-item-bottom .mention a", function (e) {
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let timeNow = new Date().getTime();
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removeAllHovercards(e, timeNow);
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let contactUrl = false;
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let targetElement = $(this);
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// get href-attribute
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if (targetElement.is("[href]")) {
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contactUrl = targetElement.attr("href");
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} else {
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return true;
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}
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// no hover card if the element has the no-hover-card class
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if (targetElement.hasClass("no-hover-card")) {
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return true;
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}
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// no hovercard for anchor links
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if (contactUrl.substring(0, 1) === "#") {
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return true;
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}
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targetElement.attr("data-awaiting-hover-card", timeNow);
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// Delay until the hover-card does appear
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setTimeout(function () {
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if (
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targetElement.is(":hover") &&
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parseInt(targetElement.attr("data-awaiting-hover-card"), 10) === timeNow &&
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$(".hovercard").length === 0
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) {
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openHovercard(targetElement, contactUrl, timeNow);
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}
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}, 500);
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})
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.on("mouseleave", ".userinfo.hover-card, .wall-item-responses a, .wall-item-bottom .mention a", function (e) {
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// action when mouse leaves the hover-card
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removeAllHovercards(e, new Date().getTime());
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});
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// if we're hovering a hover card, give it a class, so we don't remove it
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$body.on("mouseover", ".hovercard", function (e) {
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$(this).addClass("dont-remove-card");
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});
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$body.on("mouseleave", ".hovercard", function (e) {
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$(this).removeClass("dont-remove-card");
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$(this).popover("hide");
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});
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}); // End of $(document).ready
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// removes all hover cards
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function removeAllHovercards(event, priorTo) {
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// don't remove hovercards until after 100ms, so user have time to move the cursor to it (which gives it the dont-remove-card class)
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setTimeout(function () {
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$.each($(".hovercard"), function () {
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let title = $(this).attr("data-orig-title");
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// don't remove card if it was created after removeAllhoverCards() was called
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if ($(this).data("card-created") < priorTo) {
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// don't remove it if we're hovering it right now!
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if (!$(this).hasClass("dont-remove-card")) {
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let $handle = $('[data-hover-card-active="' + $(this).data("card-created") + '"]');
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$handle.removeAttr("data-hover-card-active");
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// Restoring the popover handle title
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let title = $handle.attr("data-orig-title");
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$handle.attr({ "data-orig-title": "", title: title });
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$(this).popover("hide");
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}
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}
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});
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}, 100);
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}
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function openHovercard(targetElement, contactUrl, timeNow) {
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// store the title in a data attribute because Bootstrap
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// popover destroys the title attribute.
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let title = targetElement.attr("title");
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targetElement.attr({ "data-orig-title": title, title: "" });
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// get an additional data atribute if the card is active
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targetElement.attr("data-hover-card-active", timeNow);
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// get the whole html content of the hover card and
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// push it to the bootstrap popover
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getHoverCardContent(contactUrl, function (data) {
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if (data) {
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targetElement
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.popover({
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html: true,
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placement: function () {
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// Calculate the placement of the the hovercard (if top or bottom)
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// The placement depence on the distance between window top and the element
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// which triggers the hover-card
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let get_position = $(targetElement).offset().top - $(window).scrollTop();
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if (get_position < 270) {
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return "bottom";
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}
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return "top";
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},
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trigger: "manual",
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template:
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'<div class="popover hovercard" data-card-created="' +
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timeNow +
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'"><div class="arrow"></div><div class="popover-content hovercard-content"></div></div>',
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content: data,
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container: "body",
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sanitizeFn: function (content) {
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return DOMPurify.sanitize(content);
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},
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})
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.popover("show");
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}
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});
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}
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getHoverCardContent.cache = {};
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function getHoverCardContent(contact_url, callback) {
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let postdata = {
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url: contact_url,
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};
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// Normalize and clean the profile so we can use a standardized url
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// as key for the cache
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let nurl = cleanContactUrl(contact_url).normalizeLink();
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// If the contact is already in the cache use the cached result instead
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// of doing a new ajax request
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if (nurl in getHoverCardContent.cache) {
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callback(getHoverCardContent.cache[nurl]);
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return;
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}
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$.ajax({
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url: baseurl + "/contact/hovercard",
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data: postdata,
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success: function (data, textStatus, request) {
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getHoverCardContent.cache[nurl] = data;
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callback(data);
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},
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});
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}
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// @license-end
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