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"use strict";
const settings = require("../models/settings.js");
const views = require("../util/views.js");
const optimizedResize = require("../util/optimized_resize.js");
class PostContentControl {
constructor(hostNode, post, viewportSizeCalculator, fitFunctionOverride) {
this._post = post;
this._viewportSizeCalculator = viewportSizeCalculator;
this._hostNode = hostNode;
this._template = views.getTemplate("post-content");
let fitMode = settings.get().fitMode;
if (typeof fitFunctionOverride !== "undefined") {
fitMode = fitFunctionOverride;
}
this._currentFitFunction =
{
"fit-both": this.fitBoth,
"fit-original": this.fitOriginal,
"fit-width": this.fitWidth,
"fit-height": this.fitHeight,
}[fitMode] || this.fitBoth;
this._install();
this._post.addEventListener("changeContent", (e) =>
this._evtPostContentChange(e)
);
}
disableOverlay() {
this._hostNode.querySelector(".post-overlay").style.display = "none";
}
fitWidth() {
this._currentFitFunction = this.fitWidth;
const mul = this._post.canvasHeight / this._post.canvasWidth;
let width = this._viewportWidth;
if (!settings.get().upscaleSmallPosts) {
width = Math.min(this._post.canvasWidth, width);
}
this._resize(width, width * mul);
}
fitHeight() {
this._currentFitFunction = this.fitHeight;
const mul = this._post.canvasWidth / this._post.canvasHeight;
let height = this._viewportHeight;
if (!settings.get().upscaleSmallPosts) {
height = Math.min(this._post.canvasHeight, height);
}
this._resize(height * mul, height);
}
fitBoth() {
this._currentFitFunction = this.fitBoth;
let mul = this._post.canvasHeight / this._post.canvasWidth;
if (this._viewportWidth * mul < this._viewportHeight) {
let width = this._viewportWidth;
if (!settings.get().upscaleSmallPosts) {
width = Math.min(this._post.canvasWidth, width);
}
this._resize(width, width * mul);
} else {
let height = this._viewportHeight;
if (!settings.get().upscaleSmallPosts) {
height = Math.min(this._post.canvasHeight, height);
}
this._resize(height / mul, height);
}
}
fitOriginal() {
this._currentFitFunction = this.fitOriginal;
this._resize(this._post.canvasWidth, this._post.canvasHeight);
}
get _viewportWidth() {
return this._viewportSizeCalculator()[0];
}
get _viewportHeight() {
return this._viewportSizeCalculator()[1];
}
_evtPostContentChange(e) {
this._post = e.detail.post;
this._post.mutateContentUrl();
this._reinstall();
}
_resize(width, height) {
const resizeListenerNodes = [this._postContentNode].concat(
...this._postContentNode.querySelectorAll(".resize-listener")
);
for (let node of resizeListenerNodes) {
node.style.width = width + "px";
node.style.height = height + "px";
}
}
_refreshSize() {
this._currentFitFunction();
}
_install() {
this._reinstall();
optimizedResize.add(() => this._refreshSize());
views.monitorNodeRemoval(this._hostNode, () => {
this._uninstall();
});
}
_reinstall() {
const newNode = this._template({
post: this._post,
autoplay: settings.get().autoplayVideos,
});
if (settings.get().transparencyGrid) {
newNode.classList.add("transparency-grid");
}
if (this._postContentNode) {
this._hostNode.replaceChild(newNode, this._postContentNode);
} else {
this._hostNode.appendChild(newNode);
}
this._postContentNode = newNode;
this._refreshSize();
}
_uninstall() {
optimizedResize.remove(() => this._refreshSize());
}
}
module.exports = PostContentControl;
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