459 lines
16 KiB
JavaScript
459 lines
16 KiB
JavaScript
if(Debug.debug)
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console.log("Loading: Resizer.js");
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// restore watchdog. While true, _res_applyCss() tries to re-apply new css until this value becomes false again
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// value becomes false when width and height of <video> tag match with what we want to set. Only necessary when
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// calling _res_restore() for some weird reason.
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var _res_restore_wd = false;
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var _res_char = function(newAr, video, player){
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// Kot vhodni argument dobimo razmerje stranic. Problem je, ker pri nekaterih ločljivostih lahko razmerje stranic
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// videa/našega zaslona minimalno odstopa od idealnega razmerja — npr 2560x1080 ni natanko 21:9, 1920x1080 ni
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// natanko 16:9. Zato ob podanem razmerju stranic izračunamo dejansko razmerje stranic.
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//
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// The aspect ratio we get as an argument is an ideal aspect ratio. Some (most) resolutions' aspect ratios differ
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// from that ideal aspect ratio (by a minimal amount) — e.g. 2560x1080 isn't exactly 21:9, 1920x1080 isn't exactly
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// 16:9. What is more, both 3440x1440 and 2560x1080 are considered "21:9", but their aspect ratios are slightly
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// different. This has the potential to result in annoying black bars, so we correct the aspect ratio we're given
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// to something that's slightly more correct.
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var ar;
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var res_219 = [ [2560,1080], [3440,1440] ];
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var res_169 = [ [1920,1080], [1280,720], [1366,768] ];
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if(newAr == (21/9)){
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for (var i = 0; i < res_219.length; i++){
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if( player.height == res_219[i][1]){
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ar = res_219[i][0]/res_219[i][1];
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set_video_ar( ar, video, player);
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return;
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}
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}
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}
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else if(new_ar == (16/9)){
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for (var i = 0; i < res_169.length; i++){
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if( player.height == res_169[i][1]){
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ar = res_169[i][0]/res_169[i][1];
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setVideoAr( ar, video, player);
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return;
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}
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}
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}
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_res_setVideoAr(new_ar, video, player);
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}
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// // Skrbi za "stare" možnosti, kot na primer "na širino zaslona", "na višino zaslona" in "ponastavi".
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// // Približevanje opuščeno.
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// // handles "legacy" options, such as 'fit to widht', 'fit to height' and 'reset'. No zoom tho
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// var _res_legacyAr = function(action){
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// var vid = GlobalVars.video;
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// var ar;
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// if (!vid) {
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// if(Debug.debug){
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// console.log("[Resizer.js::_res_legacyAr] No video??",vid)
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// }
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// return;
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// }
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// if(! GlobalVars.playerDimensions ){
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// ar = screen.width / screen.height;
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// }
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// else{
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// ar = GlobalVars.playerDimensions.width / GlobalVars.playerDimensions.height;
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// }
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// // POMEMBNO: GlobalVars.lastAr je potrebno nastaviti šele po tem, ko kličemo _res_setAr(). _res_setAr() predvideva,
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// // da želimo nastaviti statično (type: 'static') razmerje stranic — tudi, če funkcijo kličemo tu oz. v ArDetect.
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// //
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// // IMPORTANT NOTE: GlobalVars.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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// var fileAr = vid.videoWidth / vid.videoHeight;
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// if (action == "fitw"){
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// _res_setAr( ar > fileAr ? ar : fileAr);
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// }
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// else if(action == "fith"){
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// _res_setAr( ar < fileAr ? ar : fileAr);
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// }
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// else if(action == "reset"){
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// if(Debug.debug){
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// console.log("[Resizer.js::_res_legacyAr] Resetting aspect ratio to", fileAr)
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// }
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// _res_setAr(fileAr);
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// GlobalVars.lastAr = {type: "original"};
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// return;
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// }
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// else if(action == "autoar" || action == "auto"){
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// GlobalVars.lastAr = {type: "auto", ar: null};
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// ArDetect.init();
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// }
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// GlobalVars.lastAr = {type: "legacy", action: action};
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// }
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var _res_setAr = function(ar){
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if(Debug.debug)
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console.log("[Resizer::_res_setAr] trying to set ar. args are: ar->",ar,"; playerDimensions->",GlobalVars.playerDimensions.width, "×", GlobalVars.playerDimensions.height, "| obj:", GlobalVars.playerDimensions);
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GlobalVars.lastAr = {type: "static", ar: ar};
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var vid = GlobalVars.video;
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if(vid == null || vid==undefined || vid.videoWidth == 0 || vid.videoHeight == 0){
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vid = document.getElementsByTagName("video")[0];
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GlobalVars.video = vid;
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if(vid == null || vid==undefined || vid.videoWidth == 0 || vid.videoHeight == 0){
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if(Debug.debug)
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console.log("[Resizer::_res_setAr] I lied. Tricked you! You thought there's gonna be a video, didn't you? Never would be.", vid); // of course that's thorin reference -> https://youtu.be/OY5gGkeQn1c?t=1m20s
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return;
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}
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}
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if(Debug.debug)
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console.log("[Resizer::_res_setAr] video:",vid,"width:", vid.videoWidth, "height:", vid.videoHeight);
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if(! GlobalVars.playerDimensions || GlobalVars.playerDimensions.width === 0 || GlobalVars.playerDimensions.height){
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GlobalVars.playerDimensions = PlayerDetect.getPlayerDimensions(vid);
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if(Debug.debug)
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console.log("[Resizer::_res_setAr] playerDimensions are undefined, trying to determine new ones ... new dimensions:", GlobalVars.playerDimensions.width, "×", GlobalVars.playerDimensions.height, "| obj:", GlobalVars.playerDimensions);
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if(! GlobalVars.playerDimensions || GlobalVars.playerDimensions.width === 0 || GlobalVars.playerDimensions.height === 0){
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if(Debug.debug)
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console.log("[Resizer::_res_setAr] failed to get player dimensions. Doing nothing. Here's the object:", GlobalVars.playerDimensions);
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return;
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}
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}
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// Dejansko razmerje stranic datoteke/<video> značke
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// Actual aspect ratio of the file/<video> tag
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var fileAr = vid.videoWidth / vid.videoHeight;
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var playerAr = GlobalVars.playerDimensions.width / GlobalVars.playerDimensions.height;
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if(ar == "default" || !ar)
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ar = fileAr;
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if(Debug.debug)
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console.log("[Resizer::_res_setAr] ar is " ,ar, ", file ar is", fileAr, ", playerDimensions are ", GlobalVars.playerDimensions.width, "×", GlobalVars.playerDimensions.height, "| obj:", GlobalVars.playerDimensions);
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var videoDimensions = {
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width: 0,
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height: 0
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}
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if(Debug.debug){
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console.log("[Resizer::_res_setAr] Player dimensions?", GlobalVars.playerDimensions.width, "×", GlobalVars.playerDimensions.height, "| obj:", GlobalVars.playerDimensions);
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}
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if( fileAr < ar ){
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// imamo letterbox zgoraj in spodaj -> spremenimo velikost videa (a nikoli širše od ekrana)
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// letterbox -> change video size (but never to wider than monitor width)
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videoDimensions.width = Math.min(GlobalVars.playerDimensions.height * ar, GlobalVars.playerDimensions.width);
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videoDimensions.height = videoDimensions.width * (1/fileAr);
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}
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else{
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videoDimensions.height = Math.min(GlobalVars.playerDimensions.width * (1/ar), GlobalVars.playerDimensions.height);
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videoDimensions.width = videoDimensions.height * fileAr;
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}
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if(Debug.debug){
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console.log("[Resizer::_res_setAr] Video dimensions: ", videoDimensions.width, "×", videoDimensions.height, "(obj:", videoDimensions, "); playerDimensions:",GlobalVars.playerDimensions.width, "×", GlobalVars.playerDimensions.height, "(obj:", GlobalVars.playerDimensions, ")");
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}
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var cssValues = _res_computeOffsets(videoDimensions, GlobalVars.playerDimensions);
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if(Debug.debug){
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console.log("[Resizer::_res_setAr] Offsets for css are: ",cssValues);
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}
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_res_applyCss(cssValues);
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}
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var _res_computeOffsets = function(vidDim, playerDim){
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if(Debug.debug)
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console.log("[Resizer::_res_computeOffsets] video will be aligned to ", ExtensionConf.miscFullscreenSettings.videoFloat);
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var offsets = {
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width: vidDim.width,
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height: vidDim.height,
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left: 0,
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top: ((playerDim.height - vidDim.height) / 2)
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}
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if( ExtensionConf.miscFullscreenSettings.videoFloat == "center" ){
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offsets.left = (playerDim.width - vidDim.width ) / 2;
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}
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else if( ExtensionConf.miscFullscreenSettings.videoFloat == "right" ){
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offsets.left = (playerDim.width - vidDim.width);
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}
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GlobalVars.correctedVideoDimensions.width = parseInt(offsets.width);
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GlobalVars.correctedVideoDimensions.height= parseInt(offsets.height);
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GlobalVars.correctedVideoDimensions.left = parseInt(offsets.left);
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GlobalVars.correctedVideoDimensions.top = parseInt(offsets.top);
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return offsets;
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}
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var _res_align = function(float){
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if(! float)
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float = ExtensionConf.miscFullscreenSettings.videoFloat;
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var dimensions = {left: 0};
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if(float == "left"){
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_res_applyCss(dimensions);
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return;
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}
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if(float == "center"){
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// dimensions.left =
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// _res_applyCss(
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}
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}
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var _res_setStyleString_maxRetries = 3;
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var _res_setStyleString = function(vid, styleString, count){
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vid.setAttribute("style", styleString);
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if(_res_restore_wd){
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var vid2 = GlobalVars.video;
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if(vid2 == undefined || vid2 == null){
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if(Debug.debug)
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console.log("[Resizer::_res_setStyleString] Video element went missing, nothing to do here.")
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return;
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}
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if(
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styleString.indexOf("width: " + vid2.style.width) == -1 ||
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styleString.indexOf("height: " + vid2.style.height) == -1) {
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// css ni nastavljen?
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// css not set?
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if(Debug.debug)
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console.log("[Resizer::_res_setStyleString] Style string not set ???");
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if(count++ < _res_setStyleString_maxRetries){
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setTimeout( _res_setStyleString, 200, count);
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}
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else if(Debug.debug){
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console.log("[Resizer::_res_setStyleString] we give up. css string won't be set");
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}
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}
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else{
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_res_restore_wd = false;
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}
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}
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else{
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if(Debug.debug)
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console.log("[Resizer::_res_setStyleString] css applied. Style string:", styleString);
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}
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}
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function _res_applyCss(dimensions){
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if(GlobalVars.video == undefined || GlobalVars.video == null){
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if(Debug.debug)
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console.log("[Resizer::_res_applyCss] Video went missing, doing nothing.");
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return;
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}
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if(Debug.debug)
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console.log("[Resizer::_res_applyCss] Starting to apply css. this is what we're getting in:", dimensions);
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if(dimensions.top !== undefined)
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dimensions.top = "top: " + Math.round(dimensions.top) + "px !important";
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if(dimensions.left !== undefined)
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dimensions.left = "left: " + Math.round(dimensions.left) + "px !important";
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if(dimensions.width !== undefined)
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dimensions.width = "width: " + Math.round(dimensions.width) + "px !important";
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if(dimensions.height !== undefined)
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dimensions.height = "height: " + Math.round(dimensions.height) + "px !important";
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// misc.
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dimensions.position = "position: absolute !important";
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dimensions.margin = "margin: 0px !important";
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// save values for left and top to GlobalVars
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GlobalVars.currentCss.top = dimensions.top;
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GlobalVars.currentCss.left = dimensions.left;
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var vid = GlobalVars.video;
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if(Debug.debug)
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console.log("[Resizer::_res_applyCss] trying to apply css. Css strings: ", dimensions, "video tag: ", vid);
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var styleArrayStr = vid.getAttribute('style');
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if (styleArrayStr !== null && styleArrayStr !== undefined){
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var styleArray = styleArrayStr.split(";");
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for(var i in styleArray){
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styleArray[i] = styleArray[i].trim();
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if (styleArray[i].startsWith("top:")){
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styleArray[i] = dimensions.top;
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delete dimensions.top;
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}
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else if(styleArray[i].startsWith("left:")){
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styleArray[i] = dimensions.left;
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delete dimensions.left;
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}
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else if(styleArray[i].startsWith("width:")){
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styleArray[i] = dimensions.width;
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delete dimensions.width;
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}
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else if(styleArray[i].startsWith("height:")){
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styleArray[i] = dimensions.height;
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delete dimensions.height;
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}
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else if(styleArray[i].startsWith("position:")){
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styleArray[i] = dimensions.position;
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delete dimensions.position;
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}
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else if(styleArray[i].startsWith("margin:")){
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styleArray[i] = dimensions.margin;
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delete dimensions.margin;
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}
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}
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}
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else{
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var styleArray = [];
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}
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// add remaining elements
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for(var key in dimensions)
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styleArray.push( dimensions[key] );
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// build style string back
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var styleString = "";
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for(var i in styleArray)
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if(styleArray[i] !== undefined && styleArray[i] !== "")
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styleString += styleArray[i] + "; ";
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_res_setStyleString(vid, styleString);
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}
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var _res_antiCssOverride = function(){
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// this means we haven't set our CSS yet, or that we changed video.
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if(GlobalVars.currentCss.top === null)
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return;
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// this means video went missing.
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if(GlobalVars.video == undefined || GlobalVars.video == null)
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return;
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// // our current css is fucky? Null, undefined and 0 are invalid values.
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// if(! GlobalVars.currentCss.width || ! GlobalVars.currentCss.height )
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// return;
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var styleArrayStr = GlobalVars.video.getAttribute('style');
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if (styleArrayStr !== null && styleArrayStr !== undefined){
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var styleArray = styleArrayStr.split(";");
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var stuffChecked = 0;
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var stuffToCheck = 2;
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for(var i in styleArray){
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styleArray[i] = styleArray[i].trim();
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if (styleArray[i].startsWith("top:")){
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// don't force css restore if currentCss.top is not defined
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if(GlobalVars.currentCss.top && styleArray[i] != GlobalVars.currentCss.top){
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if(Debug.debug){
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console.log("[Resizer::_res_antiCssOverride] SOMEBODY TOUCHED MA SPAGHETT (our CSS got overriden, restoring our css)");
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console.log("[Resizer::_res_antiCssOverride] MA SPAGHETT: top:", GlobalVars.currentCss.top, "left:", GlobalVars.currentCss.left, "thing that touched ma spaghett", styleArrayStr);
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}
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_res_restore();
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return;
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}
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stuffChecked++;
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}
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else if(styleArray[i].startsWith("left:")){
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// don't force css restore if currentCss.left is not defined
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if(GlobalVars.currentCss.left && styleArray[i] != GlobalVars.currentCss.left){
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if(Debug.debug){
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console.log("[Resizer::_res_antiCssOverride] SOMEBODY TOUCHED MA SPAGHETT (our CSS got overriden, restoring our css)");
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console.log("[Resizer::_res_antiCssOverride] MA SPAGHETT: width:", GlobalVars.currentCss.width, "height:", GlobalVars.currentCss.height, "thing that touched ma spaghett", styleArrayStr);
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}
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_res_restore();
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return;
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}
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stuffChecked++;
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}
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if(stuffChecked == stuffToCheck){
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// if(Debug.debug){
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// console.log("[Resizer::_res_antiCssOverride] My spaghett rests untouched. (nobody overrode our CSS, doing nothing)");
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// }
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return;
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}
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}
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}
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}
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var _res_restore = function(){
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if(! GlobalVars.video)
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return false;
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if(Debug.debug){
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console.log("[Resizer::_res_restore] attempting to restore aspect ratio. this & settings:", {'this': this, "settings": Settings} );
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}
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// this is true until we verify that css has actually been applied
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_res_restore_wd = true;
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if(GlobalVars.lastAr.type == "legacy"){
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_res_legacyAr(GlobalVars.lastAr.action);
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}
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else if(GlobalVars.lastAr.type == "static"){
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_res_setAr(GlobalVars.lastAr.ar);
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}
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else if(GlobalVars.lastAr.type == "original"){
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_res_legacyAr("reset");
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}
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else if(GlobalVars.lastAr.type == "auto"){
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// do same as static, except keep lastAr to 'auto'. If we're here, this means video probably changed
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// and there's something broken that prevents AR from working properly
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var storeLastAr = {type: GlobalVars.lastAr.type, ar: GlobalVars.lastAr.ar};
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_res_setAr(GlobalVars.lastAr.ar);
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GlobalVars.lastAr = storeLastAr;
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// ArDetect.init();
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}
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return true;
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}
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var _res_reset = function(){
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_res_legacyAr("reset");
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}
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var Resizer = {
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_currentAr: -1,
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align: _res_align,
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setAr: _res_setAr,
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legacyAr: _res_legacyAr,
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reset: _res_reset,
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restore: _res_restore,
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antiCssOverride: _res_antiCssOverride
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}
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