881 lines
33 KiB
TypeScript
881 lines
33 KiB
TypeScript
import Debug from '../../conf/Debug';
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import Scaler, { CropStrategy, VideoDimensions } from './Scaler';
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import Stretcher from './Stretcher';
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import Zoom from './Zoom';
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import PlayerData from '../video-data/PlayerData';
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import ExtensionMode from '../../../common/enums/ExtensionMode.enum';
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import StretchType from '../../../common/enums/StretchType.enum';
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import VideoAlignmentType from '../../../common/enums/VideoAlignmentType.enum';
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import AspectRatioType from '../../../common/enums/AspectRatioType.enum';
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import CropModePersistance from '../../../common/enums/CropModePersistence.enum';
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import { sleep } from '../Util';
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import Logger from '../Logger';
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import Settings from '../Settings';
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import VideoData from '../video-data/VideoData';
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import EventBus from '../EventBus';
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if(Debug.debug) {
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console.log("Loading: Resizer.js");
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}
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class Resizer {
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//#region flags
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canPan: boolean = false;
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destroyed: boolean = false;
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manualZoom: boolean = false;
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//#endregion
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//#region helper objects
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logger: Logger;
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settings: Settings;
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scaler: Scaler;
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stretcher: Stretcher;
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zoom: Zoom;
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conf: VideoData;
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eventBus: EventBus;
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//#endregion
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//#region HTML elements
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video: any;
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//#endregion
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//#region data
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correctedVideoDimensions: any;
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currentCss: any;
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currentStyleString: string;
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currentPlayerStyleString: any;
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currentCssValidFor: any;
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currentVideoSettings: any;
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_lastAr: {type: any, ratio?: number} = {type: AspectRatioType.Initial};
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set lastAr(x: {type: any, ratio?: number}) {
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this._lastAr = x;
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// emit updates for UI when setting lastAr
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this.eventBus.send('uw-config-broadcast', {type: 'ar', config: x})
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}
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get lastAr() {
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return this._lastAr;
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}
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resizerId: any;
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videoAlignment: {x: VideoAlignmentType, y: VideoAlignmentType};
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userCss: string;
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userCssClassName: any;
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pan: any = null;
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//#endregion
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//#region event bus configuration
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private eventBusCommands = {
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'set-ar': [{
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function: (config: any) => {
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this.manualZoom = false; // this only gets called from UI or keyboard shortcuts, making this action safe.
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this.setAr(config);
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}
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}],
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'set-alignment': [{
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function: (config: any) => {
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this.setVideoAlignment(config.x, config.y);
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}
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}],
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'set-stretch': [{
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function: (config: any) => {
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this.manualZoom = false; // we also need to unset manual aspect ratio when doing this
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this.setStretchMode(config.type, config.ratio)
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}
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}],
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'set-zoom': [{
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function: (config: any) => this.setZoom(config.zoom, config.axis, config.noAnnounce)
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}],
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'change-zoom': [{
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function: (config: any) => this.zoomStep(config.step)
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}],
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'get-ar': [{
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function: () => this.eventBus.send('uw-config-broadcast', {type: 'ar', config: this.lastAr})
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}]
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}
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//#endregion
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constructor(videoData) {
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this.resizerId = (Math.random()*100).toFixed(0);
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this.conf = videoData;
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this.logger = videoData.logger;
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this.video = videoData.video;
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this.settings = videoData.settings;
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this.eventBus = videoData.eventBus;
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this.initEventBus();
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this.scaler = new Scaler(this.conf);
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this.stretcher = new Stretcher(this.conf);
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this.zoom = new Zoom(this.conf);
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this.videoAlignment = {
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x: this.settings.getDefaultVideoAlignment(window.location.hostname),
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y: VideoAlignmentType.Center
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}; // this is initial video alignment
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this.destroyed = false;
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if (this.settings.active.pan) {
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this.canPan = this.settings.active.miscSettings.mousePan.enabled;
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} else {
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this.canPan = false;
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}
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this.userCssClassName = videoData.userCssClassName;
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}
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initEventBus() {
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for (const action in this.eventBusCommands) {
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for (const command of this.eventBusCommands[action]) {
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this.eventBus.subscribe(action, command);
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}
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}
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}
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injectCss(cssString) {
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this.eventBus.send('inject-css', {cssString});
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}
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ejectCss(cssString) {
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this.eventBus.send('eject-css', {cssString});
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}
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replaceCss(oldCssString, newCssString) {
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this.eventBus.send('replace-css', {oldCss: oldCssString, newCss: newCssString});
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}
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prepareCss(css) {
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return `.${this.userCssClassName} {${css}}`;
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}
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destroy(){
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this.logger.log('info', ['debug', 'init'], `[Resizer::destroy] <rid:${this.resizerId}> received destroy command.`);
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this.destroyed = true;
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}
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calculateRatioForLegacyOptions(ar){
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// also present as modeToAr in Scaler.js
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if (ar.type !== AspectRatioType.FitWidth && ar.type !== AspectRatioType.FitHeight && ar.ratio) {
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return ar;
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}
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// handles "legacy" options, such as 'fit to widht', 'fit to height' and AspectRatioType.Reset. No zoom tho
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let ratioOut;
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if (!this.conf.video) {
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this.logger.log('info', 'debug', "[Scaler.js::modeToAr] No video??",this.conf.video, "killing videoData");
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this.conf.destroy();
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return null;
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}
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if (! this.conf.player.dimensions) {
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ratioOut = screen.width / screen.height;
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} else {
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this.logger.log('info', 'debug', `[Resizer::calculateRatioForLegacyOptions] <rid:${this.resizerId}> Player dimensions:`, this.conf.player.dimensions.width ,'x', this.conf.player.dimensions.height,'aspect ratio:', this.conf.player.dimensions.width / this.conf.player.dimensions.height)
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ratioOut = this.conf.player.dimensions.width / this.conf.player.dimensions.height;
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}
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// IMPORTANT NOTE: lastAr needs to be set after _res_setAr() is called, as _res_setAr() assumes we're
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// setting a static aspect ratio (even if the function is called from here or ArDetect).
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let fileAr = this.conf.video.videoWidth / this.conf.video.videoHeight;
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if (ar.type === AspectRatioType.FitWidth){
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ar.ratio = ratioOut > fileAr ? ratioOut : fileAr;
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}
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else if(ar.type === AspectRatioType.FitHeight){
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ar.ratio = ratioOut < fileAr ? ratioOut : fileAr;
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}
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else if(ar.type === AspectRatioType.Reset){
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this.logger.log('info', 'debug', "[Scaler.js::modeToAr] Using original aspect ratio -", fileAr);
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ar.ratio = fileAr;
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} else {
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return null;
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}
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return ar;
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}
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updateAr(ar) {
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if (!ar) {
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return;
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}
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// Some options require a bit more testing re: whether they make sense
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// if they don't, we refuse to update aspect ratio until they do
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if (ar.type === AspectRatioType.AutomaticUpdate || ar.type === AspectRatioType.Fixed) {
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if (!ar.ratio || isNaN(ar.ratio)) {
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return;
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}
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}
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// Only update aspect ratio if there's a difference between the old and the new state
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if (!this.lastAr || ar.type !== this.lastAr.type || ar.ratio !== this.lastAr.ratio) {
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this.setAr(ar);
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}
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}
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async setAr(ar: {type: any, ratio?: number}, lastAr?: {type: any, ratio?: number}) {
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if (this.destroyed) {
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return;
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}
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// handle autodetection stuff
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if (ar.type === AspectRatioType.Automatic) {
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this.conf.arDetector.start();
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return;
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} else if (ar.type !== AspectRatioType.AutomaticUpdate) {
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this.conf.arDetector.stop();
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}
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// unless we're trying to reset aspect ratio, we need to tell VideoData that this would
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// be a good time to start injecting CSS modifications into the page.
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//
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// CSS, et. al. initialization is deferred in order to avoid breaking wonky sites by default.
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if (ar.type !== AspectRatioType.Reset && ar.type !== AspectRatioType.Initial) {
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await this.conf.preparePage();
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}
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if (ar.type !== AspectRatioType.AutomaticUpdate) {
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this.manualZoom = false;
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}
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if (!this.video.videoWidth || !this.video.videoHeight) {
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this.logger.log('warning', 'debug', '[Resizer::setAr] <rid:'+this.resizerId+'> Video has no width or no height. This is not allowed. Aspect ratio will not be set, and videoData will be uninitialized.');
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this.conf.videoUnloaded();
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}
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this.logger.log('info', 'debug', '[Resizer::setAr] <rid:'+this.resizerId+'> trying to set ar. New ar:', ar);
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if (ar == null) {
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return;
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}
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const siteSettings = this.settings.active.sites[window.location.hostname];
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let stretchFactors: {xFactor: number, yFactor: number, arCorrectionFactor?: number, ratio?: number} | any;
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// reset zoom, but only on aspect ratio switch. We also know that aspect ratio gets converted to
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// AspectRatioType.Fixed when zooming, so let's keep that in mind
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if (
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(ar.type !== AspectRatioType.Fixed && ar.type !== AspectRatioType.Manual) // anything not these two _always_ changes AR
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|| ar.type !== this.lastAr.type // this also means aspect ratio has changed
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|| ar.ratio !== this.lastAr.ratio // this also means aspect ratio has changed
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) {
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this.zoom.reset();
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this.resetPan();
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}
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// most everything that could go wrong went wrong by this stage, and returns can happen afterwards
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// this means here's the optimal place to set or forget aspect ratio. Saving of current crop ratio
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// is handled in pageInfo.updateCurrentCrop(), which also makes sure to persist aspect ratio if ar
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// is set to persist between videos / through current session / until manual reset.
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if (ar.type === AspectRatioType.Automatic ||
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ar.type === AspectRatioType.Reset ||
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ar.type === AspectRatioType.Initial ) {
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// reset/undo default
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this.conf.pageInfo.updateCurrentCrop(undefined);
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} else {
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this.conf.pageInfo.updateCurrentCrop(ar);
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}
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if (lastAr) {
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this.lastAr = this.calculateRatioForLegacyOptions(lastAr);
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ar = this.calculateRatioForLegacyOptions(ar);
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} else {
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// NOTE: "fitw" "fith" and "reset" should ignore ar.ratio bit, but
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// I'm not sure whether they do. Check that.
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ar = this.calculateRatioForLegacyOptions(ar);
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if (! ar) {
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this.logger.log('info', 'resizer', `[Resizer::setAr] <${this.resizerId}> Something wrong with ar or the player. Doing nothing.`);
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return;
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}
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this.lastAr = {type: ar.type, ratio: ar.ratio};
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}
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if (! this.video) {
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this.conf.destroy();
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}
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// pause AR on:
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// * ar.type NOT automatic
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// * ar.type is auto, but stretch is set to basic basic stretch
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//
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// unpause when using other modes
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if (ar.type !== AspectRatioType.Automatic || this.stretcher.mode === StretchType.Basic) {
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this.conf?.arDetector?.pause();
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} else {
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if (this.lastAr.type === AspectRatioType.Automatic) {
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this.conf?.arDetector?.unpause();
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}
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}
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// do stretch thingy
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if (this.stretcher.mode === StretchType.NoStretch
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|| this.stretcher.mode === StretchType.Conditional
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|| this.stretcher.mode === StretchType.FixedSource){
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stretchFactors = this.scaler.calculateCrop(ar);
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if(! stretchFactors || stretchFactors.error){
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this.logger.log('error', 'debug', `[Resizer::setAr] <rid:${this.resizerId}> failed to set AR due to problem with calculating crop. Error:`, stretchFactors?.error);
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if (stretchFactors?.error === 'no_video'){
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this.conf.destroy();
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return;
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}
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// we could have issued calculate crop too early. Let's tell VideoData that there's something wrong
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// and exit this function. When <video> will receive onloadeddata or ontimeupdate (receiving either
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// of the two means video is loaded or playing, and that means video has proper dimensions), it will
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// try to reset or re-apply aspect ratio when the video is finally ready.
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if (stretchFactors?.error === 'illegal_video_dimensions') {
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this.conf.videoDimensionsLoaded = false;
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return;
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}
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}
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if (this.stretcher.mode === StretchType.Conditional){
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this.stretcher.applyConditionalStretch(stretchFactors, ar.ratio);
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} else if (this.stretcher.mode === StretchType.FixedSource) {
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this.stretcher.applyStretchFixedSource(stretchFactors);
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}
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this.logger.log('info', 'debug', "[Resizer::setAr] Processed stretch factors for ",
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this.stretcher.mode === StretchType.NoStretch ? 'stretch-free crop.' :
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this.stretcher.mode === StretchType.Conditional ? 'crop with conditional StretchType.' : 'crop with fixed stretch',
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'Stretch factors are:', stretchFactors
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);
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} else if (this.stretcher.mode === StretchType.Hybrid) {
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stretchFactors = this.stretcher.calculateStretch(ar.ratio);
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this.logger.log('info', 'debug', '[Resizer::setAr] Processed stretch factors for hybrid stretch/crop. Stretch factors are:', stretchFactors);
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} else if (this.stretcher.mode === StretchType.Fixed) {
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stretchFactors = this.stretcher.calculateStretchFixed(ar.ratio)
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} else if (this.stretcher.mode === StretchType.Basic) {
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stretchFactors = this.stretcher.calculateBasicStretch();
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this.logger.log('info', 'debug', '[Resizer::setAr] Processed stretch factors for basic StretchType. Stretch factors are:', stretchFactors);
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} else {
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stretchFactors = this.scaler.calculateCrop(ar);
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this.logger.log(
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'error', 'debug',
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'[Resizer::setAr] Okay wtf happened? If you see this, something has gone wrong. Pretending stretchMode is set tu NoStretch. Stretch factors are:', stretchFactors,
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"\n------[ i n f o d u m p ]------\nstretcher:", this.stretcher,
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'\nargs: ar (corrected for legacy):', ar, 'last ar (optional argument):', lastAr
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);
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}
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this.applyScaling(stretchFactors);
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}
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applyScaling(stretchFactors, options?: {noAnnounce?: boolean}) {
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this.stretcher.chromeBugMitigation(stretchFactors);
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// let the UI know
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if(!options?.noAnnounce) {
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this.conf.eventBus.send('announce-zoom', {x: stretchFactors.xFactor, y: stretchFactors.yFactor});
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}
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let translate = this.computeOffsets(stretchFactors);
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this.applyCss(stretchFactors, translate);
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}
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toFixedAr() {
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// converting to fixed AR means we also turn off autoAR
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this.setAr({
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ratio: this.lastAr.ratio,
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type: AspectRatioType.Fixed
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});
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}
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resetLastAr() {
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this.lastAr = {type: AspectRatioType.Initial};
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}
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setLastAr(override){
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this.lastAr = override;
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}
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getLastAr(){
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return this.lastAr;
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}
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setStretchMode(stretchMode, fixedStretchRatio?){
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this.stretcher.setStretchMode(stretchMode, fixedStretchRatio);
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this.restore();
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}
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panHandler(event, forcePan) {
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if (this.canPan || forcePan) {
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if(!this.conf.player || !this.conf.player.element) {
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return;
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}
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// dont allow weird floats
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this.videoAlignment.x = VideoAlignmentType.Center;
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// because non-fixed aspect ratios reset panning:
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if (this.lastAr.type !== AspectRatioType.Fixed) {
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this.toFixedAr();
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}
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const player = this.conf.player.element;
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const relativeX = (event.pageX - player.offsetLeft) / player.offsetWidth;
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const relativeY = (event.pageY - player.offsetTop) / player.offsetHeight;
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this.logger.log('info', 'mousemove', "[Resizer::panHandler] mousemove.pageX, pageY:", event.pageX, event.pageY, "\nrelativeX/Y:", relativeX, relativeY)
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this.setPan(relativeX, relativeY);
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}
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}
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resetPan() {
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this.pan = {x: 0, y: 0};
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// this.videoAlignment = {x: this.settings.getDefaultVideoAlignment(window.location.hostname), y: VideoAlignmentType.Center};
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}
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setPan(relativeMousePosX, relativeMousePosY){
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// relativeMousePos[X|Y] - on scale from 0 to 1, how close is the mouse to player edges.
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// use these values: top, left: 0, bottom, right: 1
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if(! this.pan){
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this.pan = {x: 0, y: 0};
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}
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if (this.settings.active.miscSettings.mousePanReverseMouse) {
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this.pan.relativeOffsetX = (relativeMousePosX * 1.1) - 0.55;
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this.pan.relativeOffsetY = (relativeMousePosY * 1.1) - 0.55;
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} else {
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this.pan.relativeOffsetX = -(relativeMousePosX * 1.1) + 0.55;
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this.pan.relativeOffsetY = -(relativeMousePosY * 1.1) + 0.55;
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}
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this.restore();
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}
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setVideoAlignment(videoAlignmentX: VideoAlignmentType, videoAlignmentY?: VideoAlignmentType) {
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this.videoAlignment = {
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x: videoAlignmentX ?? VideoAlignmentType.Default,
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y: videoAlignmentY ?? VideoAlignmentType.Default
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};
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this.restore();
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}
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restore() {
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if (!this.manualZoom) {
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this.logger.log('info', 'debug', "[Resizer::restore] <rid:"+this.resizerId+"> attempting to restore aspect ratio", {'lastAr': this.lastAr} );
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// this is true until we verify that css has actually been applied
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if(this.lastAr.type === AspectRatioType.Initial){
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this.setAr({type: AspectRatioType.Reset});
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}
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else {
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if (this.lastAr?.ratio === null) {
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// if this is the case, we do nothing as we have the correct aspect ratio
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// throw "Last ar is null!"
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return;
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}
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this.setAr(this.lastAr, this.lastAr)
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}
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} else {
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this.applyScaling({xFactor: this.zoom.scale, yFactor: this.zoom.scaleY});
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}
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}
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|
reset(){
|
|
this.setStretchMode(this.settings.active.sites[window.location.hostname]?.stretch ?? this.settings.active.sites['@global'].stretch);
|
|
this.zoom.setZoom(1);
|
|
this.resetPan();
|
|
this.setAr({type: AspectRatioType.Reset});
|
|
}
|
|
|
|
setPanMode(mode) {
|
|
if (mode === 'enable') {
|
|
this.canPan = true;
|
|
} else if (mode === 'disable') {
|
|
this.canPan = false;
|
|
} else if (mode === 'toggle') {
|
|
this.canPan = !this.canPan;
|
|
}
|
|
}
|
|
|
|
setZoom(zoomLevel: number, axis?: 'x' | 'y', noAnnounce?) {
|
|
this.manualZoom = true;
|
|
this.zoom.setZoom(zoomLevel, axis, noAnnounce);
|
|
}
|
|
|
|
zoomStep(step){
|
|
this.manualZoom = true;
|
|
this.zoom.zoomStep(step);
|
|
}
|
|
|
|
resetZoom(){
|
|
this.zoom.setZoom(1);
|
|
this.manualZoom = false;
|
|
this.restore();
|
|
}
|
|
|
|
resetCrop(){
|
|
this.setAr({type: AspectRatioType.Reset});
|
|
}
|
|
|
|
resetStretch(){
|
|
this.stretcher.setStretchMode(StretchType.NoStretch);
|
|
this.restore();
|
|
}
|
|
|
|
|
|
// mostly internal stuff
|
|
|
|
/**
|
|
* Returns the size of the video file _as displayed_ on the screen.
|
|
* Consider the following example:
|
|
*
|
|
* * player dimensions are 2560x1080
|
|
* * <video> is child of player
|
|
* * <video> has the following css: {width: 100%, height: 100%}
|
|
* * video file dimensions are 1280x720
|
|
*
|
|
* CSS will ensure that the dimensions of <video> tag are equal to the dimension of the
|
|
* player element — that is, 2560x1080px. This is no bueno, because the browser will upscale
|
|
* the video file to take up as much space as it can (without stretching it). This means
|
|
* we'll get a 1920x1080 video (as displayed) and a letterbox.
|
|
*
|
|
* We can't get that number out of anywhere: video.videoWidth will return 1280 (video file
|
|
* dimensions) and .offsetWidth (and the likes) will return the <video> tag dimension. Neither
|
|
* will return the actual size of video as displayed, which we need in order to calculate the
|
|
* extra space to the left and right of the video.
|
|
*
|
|
* We make the assumption of the
|
|
*/
|
|
computeVideoDisplayedDimensions() {
|
|
const offsetWidth = this.conf.video.offsetWidth;
|
|
const offsetHeight = this.conf.video.offsetHeight;
|
|
|
|
const scaleX = offsetWidth / this.conf.video.videoWidth;
|
|
const scaleY = offsetHeight / this.conf.video.videoHeight;
|
|
|
|
// if differences between the scale factors are minimal, we presume offsetWidth and
|
|
// offsetHeight are the accurate enough for our needs
|
|
if (Math.abs(scaleX - scaleY) < 0.02) {
|
|
return {
|
|
realVideoWidth: offsetWidth,
|
|
realVideoHeight: offsetHeight,
|
|
marginX: 0,
|
|
marginY: 0,
|
|
}
|
|
}
|
|
|
|
// if we're still here, we need to calculate real video dimensions
|
|
const diffX = Math.abs(scaleY * this.conf.video.videoWidth - offsetWidth);
|
|
const diffY = Math.abs(scaleX * this.conf.video.videoHeight - offsetHeight);
|
|
|
|
// in this case, we want to base our real dimensions off scaleX
|
|
// otherwise, we want to base it off scaleY
|
|
if (diffX < diffY) {
|
|
const realHeight = this.conf.video.videoHeight * scaleX;
|
|
return {
|
|
realVideoWidth: offsetWidth,
|
|
realVideoHeight: realHeight,
|
|
marginX: 0,
|
|
marginY: (offsetHeight - realHeight) * 0.5
|
|
}
|
|
} else {
|
|
const realWidth = this.conf.video.videoWidth * scaleY;
|
|
return {
|
|
realVideoWidth: realWidth,
|
|
realVideoHeight: offsetHeight,
|
|
marginX: (offsetWidth - realWidth) * 0.5,
|
|
marginY: 0
|
|
}
|
|
}
|
|
}
|
|
|
|
computeCroppedAreas(stretchFactors) {
|
|
// PSA: offsetWidth and offsetHeight DO NOT INCLUDE
|
|
// ZOOM APPLIED THROUGH THE MAGIC OF CSS TRANSFORMS
|
|
const sourceWidth = this.conf.video.offsetWidth;
|
|
const sourceHeight = this.conf.video.offsetHeight;
|
|
|
|
// this is the size of the video AFTER zooming was applied but does
|
|
// not account for cropping. It may be bigger than the player in
|
|
// both dimensions. It may be smaller than player in both dimensions
|
|
const postZoomWidth = sourceWidth * stretchFactors.xFactor;
|
|
const postZoomHeight = sourceHeight * stretchFactors.yFactor;
|
|
|
|
// this is the size of the video after crop is applied
|
|
const displayedWidth = Math.min(this.conf.player.dimensions.width, postZoomWidth);
|
|
const displayedHeight = Math.min(this.conf.player.dimensions.height, postZoomHeight);
|
|
|
|
// these two are cropped areas. Negative values mean additional
|
|
// letterboxing or pillarboxing. We assume center alignment for
|
|
// the time being - we will correct that later if need be
|
|
const croppedX = (postZoomWidth - displayedWidth) * 0.5;
|
|
const croppedY = (postZoomHeight - displayedHeight) * 0.5;
|
|
|
|
return {
|
|
sourceVideoDimensions: {width: sourceWidth, height: sourceHeight},
|
|
postZoomVideoDimensions: {width: postZoomWidth, height: postZoomHeight},
|
|
displayedVideoDimensions: {width: displayedWidth, height: displayedHeight},
|
|
crop: {left: croppedX, top: croppedY},
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Sometimes, sites (e.g. new reddit) will guarantee that video fits width of its container
|
|
* and let the browser figure out the height through the magic of height:auto. This is bad,
|
|
* because our addon generally relies of videos always being 100% of the height of the
|
|
* container.
|
|
*
|
|
* This sometimes leads to a situation where realVideoHeight and realVideoWidth — at least
|
|
* one of which should be roughly equal to the player width or hight with the other one being
|
|
* either smaller or equal — are both smaller than player width or height; and sometimes
|
|
* rather substantially. Fortunately for us, realVideo[Width|Height] and player dimensions
|
|
* never lie, which allows us to calculate the extra scale factor we need.
|
|
*
|
|
* Returned factor for this function should do fit:contain, not fit:cover.
|
|
* @param realVideoWidth real video width
|
|
* @param realVideoHeight real video height
|
|
* @param playerWidth player width
|
|
* @param playerHeight player height
|
|
* @param mode whether to
|
|
*/
|
|
computeAutoHeightCompensationFactor(realVideoWidth: number, realVideoHeight: number, playerWidth: number, playerHeight: number, mode: 'height' | 'width'): number {
|
|
const widthFactor = playerWidth / realVideoWidth;
|
|
const heightFactor = playerHeight / realVideoHeight;
|
|
|
|
return mode === 'height' ? heightFactor : widthFactor;
|
|
}
|
|
|
|
private _computeOffsetsRecursionGuard: boolean = false;
|
|
computeOffsets(stretchFactors: VideoDimensions){
|
|
this.logger.log('info', 'debug', "[Resizer::computeOffsets] <rid:"+this.resizerId+"> video will be aligned to ", this.settings.active.sites['@global'].videoAlignment);
|
|
|
|
const {realVideoWidth, realVideoHeight, marginX, marginY} = this.computeVideoDisplayedDimensions();
|
|
|
|
const {postZoomVideoDimensions, displayedVideoDimensions, crop} = this.computeCroppedAreas(stretchFactors);
|
|
|
|
// correct any remaining element size discrepencies (applicable only to certain crop strategies!)
|
|
// NOTE: it's possible that we might also need to apply a similar measure for CropPillarbox strategy
|
|
// (but we'll wait for bug reports before doing so).
|
|
// We also don't compensate for height:auto if height is provided via element style
|
|
let autoHeightCompensationFactor;
|
|
if (
|
|
stretchFactors.cropStrategy === CropStrategy.CropLetterbox
|
|
&& (!stretchFactors.styleHeightCompensationFactor || stretchFactors.styleHeightCompensationFactor === 1)
|
|
) {
|
|
autoHeightCompensationFactor = this.computeAutoHeightCompensationFactor(realVideoWidth, realVideoHeight, this.conf.player.dimensions.width, this.conf.player.dimensions.height, 'height');
|
|
stretchFactors.xFactor *= autoHeightCompensationFactor;
|
|
stretchFactors.yFactor *= autoHeightCompensationFactor;
|
|
}
|
|
|
|
const offsetWidth = this.conf.video.offsetWidth;
|
|
const offsetHeight = this.conf.video.offsetHeight;
|
|
|
|
const wdiff = this.conf.player.dimensions.width - realVideoWidth;
|
|
const hdiff = this.conf.player.dimensions.height - realVideoHeight;
|
|
|
|
const wdiffAfterZoom = realVideoWidth * stretchFactors.xFactor - this.conf.player.dimensions.width;
|
|
const hdiffAfterZoom = realVideoHeight * stretchFactors.yFactor - this.conf.player.dimensions.height;
|
|
|
|
const translate = {
|
|
x: wdiff * 0.5,
|
|
y: hdiff * 0.5,
|
|
};
|
|
|
|
|
|
if (this.pan.relativeOffsetX || this.pan.relativeOffsetY) {
|
|
// don't offset when video is smaller than player
|
|
if(wdiffAfterZoom >= 0 || hdiffAfterZoom >= 0) {
|
|
translate.x += wdiffAfterZoom * this.pan.relativeOffsetX * this.zoom.scale;
|
|
translate.y += hdiffAfterZoom * this.pan.relativeOffsetY * this.zoom.scale;
|
|
}
|
|
} else {
|
|
// correct horizontal alignment according to the settings
|
|
if (this.videoAlignment.x == VideoAlignmentType.Left) {
|
|
translate.x += wdiffAfterZoom * 0.5;
|
|
} else if (this.videoAlignment.x == VideoAlignmentType.Right) {
|
|
translate.x -= wdiffAfterZoom * 0.5;
|
|
}
|
|
|
|
// correct vertical alignment according to the settings
|
|
if (this.videoAlignment.y == VideoAlignmentType.Top) {
|
|
translate.y += hdiffAfterZoom * 0.5;
|
|
} else if (this.videoAlignment.y == VideoAlignmentType.Bottom) {
|
|
translate.y -= hdiffAfterZoom * 0.5;
|
|
}
|
|
}
|
|
|
|
this.logger.log(
|
|
'info', ['debug', 'resizer'], "[Resizer::_res_computeOffsets] <rid:"+this.resizerId+"> calculated offsets:",
|
|
'\n\n---- elements ----',
|
|
'\nplayer element: ', this.conf.player.element,
|
|
'\nvideo element: ', this.conf.video,
|
|
'\n\n---- data in ----',
|
|
'\nplayer dimensions: ', {w: this.conf.player.dimensions.width, h: this.conf.player.dimensions.height},
|
|
'\nvideo dimensions: ', {w: this.conf.video.offsetWidth, h: this.conf.video.offsetHeight},
|
|
'\nreal video dimensions:', {w: realVideoWidth, h: realVideoHeight},
|
|
'\nauto compensation: ', 'x', autoHeightCompensationFactor,
|
|
'\nstretch factors: ', stretchFactors,
|
|
'\npan & zoom: ', this.pan, this.zoom.scale,
|
|
'\nwdiff, hdiff: ', wdiff, 'x', hdiff,
|
|
'\nwdiff, hdiffAfterZoom:', wdiffAfterZoom, 'x', hdiffAfterZoom,
|
|
'\n\n---- data out ----\n',
|
|
'translate:', translate
|
|
);
|
|
|
|
// by the way, let's do a quick sanity check whether video player is doing any fuckies wuckies
|
|
// fucky wucky examples:
|
|
//
|
|
// * video width is bigger than player width AND video height is bigger than player height
|
|
// * video width is smaller than player width AND video height is smaller than player height
|
|
//
|
|
// In both examples, at most one of the two conditions can be true at the same time. If both
|
|
// conditions are true at the same time, we need to go 'chiny reckon' and recheck our player
|
|
// element. Chances are our video is not getting aligned correctly
|
|
if (
|
|
(this.conf.video.offsetWidth > this.conf.player.dimensions.width && this.conf.video.offsetHeight > this.conf.player.dimensions.height) ||
|
|
(this.conf.video.offsetWidth < this.conf.player.dimensions.width && this.conf.video.offsetHeight < this.conf.player.dimensions.height)
|
|
) {
|
|
this.logger.log('warn', ['debugger', 'resizer'], `[Resizer::_res_computeOffsets] <rid:${this.resizerId}> We are getting some incredibly funny results here.\n\n`,
|
|
`Video seems to be both wider and taller (or shorter and narrower) than player element at the same time. This is super duper not supposed to happen.\n\n`,
|
|
`Player element needs to be checked.`
|
|
)
|
|
|
|
// sometimes this appears to randomly recurse.
|
|
// There seems to be no way to reproduce it.
|
|
if (! this._computeOffsetsRecursionGuard) {
|
|
this._computeOffsetsRecursionGuard = true;
|
|
this.conf.player.trackDimensionChanges();
|
|
this._computeOffsetsRecursionGuard = false;
|
|
}
|
|
}
|
|
|
|
return translate;
|
|
}
|
|
|
|
//#region css handling
|
|
buildStyleArray(existingStyleString, extraStyleString) {
|
|
if (existingStyleString) {
|
|
const styleArray = existingStyleString.split(";");
|
|
|
|
if (extraStyleString) {
|
|
const extraCss = extraStyleString.split(';');
|
|
let dup = false;
|
|
|
|
for (const ecss of extraCss) {
|
|
for (let i in styleArray) {
|
|
if (ecss.split(':')[0].trim() === styleArray[i].split(':')[0].trim()) {
|
|
dup = true;
|
|
styleArray[i] = ecss;
|
|
}
|
|
if (dup) {
|
|
dup = false;
|
|
continue;
|
|
}
|
|
styleArray.push(ecss);
|
|
}
|
|
}
|
|
}
|
|
|
|
for (let i in styleArray) {
|
|
styleArray[i] = styleArray[i].trim();
|
|
// some sites do 'top: 50%; left: 50%; transform: <transform>' to center videos.
|
|
// we dont wanna, because we already center videos on our own
|
|
if (styleArray[i].startsWith("transform:")
|
|
|| styleArray[i].startsWith("top:")
|
|
|| styleArray[i].startsWith("left:")
|
|
|| styleArray[i].startsWith("right:")
|
|
|| styleArray[i].startsWith("bottom:")
|
|
|| styleArray[i].startsWith("margin")
|
|
){
|
|
delete styleArray[i];
|
|
}
|
|
}
|
|
return styleArray;
|
|
}
|
|
|
|
return [];
|
|
}
|
|
|
|
buildStyleString(styleArray) {
|
|
let styleString = '';
|
|
|
|
for(let i in styleArray) {
|
|
if(styleArray[i]) {
|
|
styleString += styleArray[i] + " !important; ";
|
|
}
|
|
}
|
|
|
|
return styleString;
|
|
}
|
|
|
|
applyCss(stretchFactors, translate){
|
|
// apply extra CSS here. In case of duplicated properties, extraCss overrides
|
|
// default styleString
|
|
if (! this.video) {
|
|
this.logger.log('warn', 'debug', "[Resizer::applyCss] <rid:"+this.resizerId+"> Video went missing, doing nothing.");
|
|
|
|
this.conf.destroy();
|
|
return;
|
|
}
|
|
|
|
this.logger.log('info', ['debug', 'resizer'], "[Resizer::applyCss] <rid:"+this.resizerId+"> will apply css.", {stretchFactors, translate});
|
|
|
|
// save stuff for quick tests (before we turn numbers into css values):
|
|
this.currentVideoSettings = {
|
|
validFor: this.conf.player.dimensions,
|
|
// videoWidth: dimensions.width,
|
|
// videoHeight: dimensions.height
|
|
}
|
|
|
|
let extraStyleString;
|
|
try {
|
|
extraStyleString = this.settings.active.sites[window.location.hostname].DOM.video.additionalCss;
|
|
} catch (e) {
|
|
// do nothing. It's ok if no special settings are defined for this site, we'll just do defaults
|
|
}
|
|
|
|
const styleArray = this.buildStyleArray('', extraStyleString)
|
|
|
|
// add remaining elements
|
|
if (stretchFactors) {
|
|
styleArray.push(`transform: translate(${translate.x}px, ${translate.y}px) scale(${stretchFactors.xFactor}, ${stretchFactors.yFactor}) !important;`);
|
|
|
|
// important — guarantees video will be properly aligned
|
|
// Note that position:absolute cannot be put here, otherwise old.reddit /w RES breaks — videos embedded
|
|
// from certain hosts will get a height: 0px. This is bad.
|
|
styleArray.push("top: 0px !important; left: 0px !important; bottom: 0px !important; right: 0px;");
|
|
|
|
// important — some websites (cough reddit redesign cough) may impose some dumb max-width and max-height
|
|
// restrictions. If site has dumb shit like 'max-width: 100%' and 'max-height: 100vh' in their CSS, that
|
|
// shit will prevent us from applying desired crop. This means we need to tell websites to fuck off with
|
|
// that crap. We know better.
|
|
styleArray.push("max-width: none !important; max-height: none !important;");
|
|
}
|
|
const styleString = `${this.buildStyleString(styleArray)}${extraStyleString || ''}`; // string returned by buildStyleString() should end with ; anyway
|
|
|
|
// build style string back
|
|
this.setStyleString(styleString);
|
|
}
|
|
|
|
setStyleString (styleString) {
|
|
this.currentCssValidFor = this.conf.player.dimensions;
|
|
const newCssString = this.prepareCss(styleString);
|
|
|
|
// inject new CSS or replace existing one
|
|
if (!this.userCss) {
|
|
this.logger.log('info', ['debug', 'resizer'], "[Resizer::setStyleString] <rid:"+this.resizerId+"> Setting new css: ", newCssString);
|
|
|
|
this.injectCss(newCssString);
|
|
this.userCss = newCssString;
|
|
} else if (newCssString !== this.userCss) {
|
|
this.logger.log('info', ['debug', 'resizer'], "[Resizer::setStyleString] <rid:"+this.resizerId+"> Replacing css.\nOld string:", this.userCss, "\nNew string:", newCssString);
|
|
// we only replace css if it
|
|
this.replaceCss(this.userCss, newCssString);
|
|
this.userCss = newCssString;
|
|
} else {
|
|
this.logger.log('info', ['debug', 'resizer'], "[Resizer::setStyleString] <rid:"+this.resizerId+"> Existing css is still valid, doing nothing.");
|
|
}
|
|
}
|
|
//#endregion
|
|
}
|
|
|
|
export default Resizer;
|