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/* global Plugins, __, require, PluginHost, App, dojo */
Plugins.Shorten_Expanded = {
threshold: 1.5, // of window height
shorten_if_needed: function(row) {
const content = row.querySelector(".content");
const content_inner = row.querySelector(".content-inner");
console.log('shorten_expanded', row.id, content.offsetHeight, 'vs', this.threshold * window.innerHeight);
if (content && content_inner && content.offsetHeight >= this.threshold * window.innerHeight) {
const attachments = row.querySelector(".attachments-inline"); // optional
content_inner.innerHTML = `
<div class="content-shrink-wrap">
${content_inner.innerHTML}
${attachments ? attachments.innerHTML : ''}
</div>
<button dojoType="dijit.form.Button" class="alt-info expand-prompt" onclick="return Plugins.Shorten_Expanded.expand('${row.id}')" href="#">
${App.FormFields.icon('add')}
${__("Expand article")}
</button>`;
if (attachments)
attachments.innerHTML = "";
dojo.parser.parse(content_inner);
return true;
}
return false;
},
process_row: function(row) {
if (this.shorten_if_needed(row))
return;
const promises = [];
[...row.querySelectorAll("img, video")].forEach((img) => {
const promise = new Promise((resolve, reject) => {
img.onload = () => resolve(img);
img.onloadeddata = () => resolve(img);
img.error = () => reject(new Error("unable to load video"));
img.onerror = () => reject(new Error("unable to load image"));
});
const timeout = new Promise((resolve, reject) => {
const id = setTimeout(() => {
clearTimeout(id);
reject(new Error("timed out"));
}, 2000)
})
promises.push(Promise.race([promise, timeout]));
});
Promise.allSettled(promises).then(() => {
this.shorten_if_needed(row);
});
},
expand: function(id) {
const row = App.byId(id);
if (row) {
const content = row.querySelector(".content-shrink-wrap");
const link = row.querySelector(".expand-prompt");
if (content) content.removeClassName("content-shrink-wrap");
if (link) Element.hide(link);
}
return false;
}
}
require(['dojo/_base/kernel', 'dojo/ready'], function (dojo, ready) {
ready(function() {
PluginHost.register(PluginHost.HOOK_ARTICLE_RENDERED_CDM, function(row) {
Plugins.Shorten_Expanded.process_row(row);
return true;
});
});
});
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