52 lines
1.3 KiB
JavaScript
52 lines
1.3 KiB
JavaScript
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"use strict";
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const $ = require("jquery");
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const socket = require("../socket");
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const templates = require("../../views");
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const options = require("../options");
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socket.on("msg:preview", function(data) {
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data.preview.shown = options.shouldOpenMessagePreview(data.preview.type);
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const msg = $("#msg-" + data.id);
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const container = msg.parent(".messages");
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const bottom = container.isScrollBottom();
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msg.find(".text").append(templates.msg_preview({preview: data.preview}));
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if (data.preview.shown && bottom) {
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handleImageInPreview(msg.find(".toggle-content"), container);
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}
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container.trigger("keepToBottom");
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});
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$("#chat").on("click", ".toggle-button", function() {
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const self = $(this);
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const container = self.closest(".messages");
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const content = self.parent().next(".toggle-content");
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const bottom = container.isScrollBottom();
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if (bottom && !content.hasClass("show")) {
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handleImageInPreview(content, container);
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}
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content.toggleClass("show");
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// If scrollbar was at the bottom before toggling the preview, keep it at the bottom
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if (bottom) {
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container.scrollBottom();
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}
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});
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function handleImageInPreview(content, container) {
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const img = content.find("img");
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// Trigger scroll logic after the image loads
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if (img.length && !img.width()) {
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img.on("load", function() {
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container.trigger("keepToBottom");
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});
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}
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}
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