// == Dependencies ==
var mediaType; // for compatibility
var playerExists = false; // is set to true below if player exists
var checkMediaType_enabled = true; // for debugging purposes
var media_element = {}; // declaring as object
var tmp="",count=0; // initiating temporary variables used inside functions and loops
function checkMediaType() {
// checks whether it is a video or an audio tag
if ( checkMediaType_enabled ) {
var mediaTypeBeforeCheck = mediaType;
if (document.getElementsByTagName("video")[0]) {
playerExists = true; mediaType = "video";
}
if (document.getElementsByTagName("audio")[0]) {
playerExists = true; mediaType = "audio";
}
var mediaTypeAfterCheck = mediaType;
if (mediaTypeBeforeCheck != mediaTypeAfterCheck)
// Only show media type in console if it has changed.
console.log("Detected media type: " + mediaType);
media_element = document.getElementsByTagName(mediaType)[0];
// Set back to false if no player is found after using customMediaElement.
media_element ? playerExists=true : playerExists=false;
}
}
function customMediaElement(custom_media_element) {
checkMediaType_enabled = false;
if (custom_media_element) {
playerExists = true;
media_element = custom_media_element;
console.log("customMediaElement: Custom media element set. Reset using checkMediaType_enabled=true.");
} else { console.error("customMediaElement: No such media element found."); }
}
var customTitleElement;
function checkFileExtension(ext) {
if (typeof(ext) == "string") {
ext = ext.toLowerCase(); // case-insensitive
// string
if (document.location.href.search(new RegExp(ext+"$", "i")) > -1) return true; else return false;
} else if (typeof(ext) == "object") {
// array – check against multiple strings
for (var count=0; count < ext.length; count++) {
if (document.location.href.search(new RegExp(ext[count]+"$", "i")) > -1) return true;
if (count == ext.length-1) return false; // if no matches after going through them all
}
}
}
function isDomain(domain) {
// Using .search() instead of .includes() to improve browser compatibility.
if (window.location.hostname.search(domain) >= 0) return true; else return false;
}
// symbols
var media_symbol = {};
media_symbol.play = "▶︎ "; // thin space for alignment
media_symbol.pause="❚ ❚"; // instead of "⏸" due to Edge browser putting an immutable blue box around it.
media_symbol.stop="■";
// mousedown status
var mousedown_status;
window.addEventListener("mousedown", function(){mousedown_status=true; } );
window.addEventListener("mouseup", function(){mousedown_status=false; } );
function appendChildWithID(tagName,tagID,parent_element) {
// default parent element to document.body if unspecified
if (parent_element === undefined) parent_element = document.body;
parent_element.appendChild(document.createElement(tagName)); // add div
parent_element.lastElementChild.id=tagID; // give it ID
}
function addStyle(new_style,parent_element) {
if (parent_element === undefined) parent_element = document.body;
parent_element.appendChild(document.createElement("style")); // add style
parent_element.lastElementChild.innerHTML = new_style;
}
// time variables
var media_time = {};
// HH:MM:SS timer
function HMStimer_core(seconds) {
// hours
media_time.HH = Math.floor( seconds/3600 );
// leading zero
if ( seconds < 36000 ) media_time.HH = "0" + media_time.HH;
// minutes
media_time.MM = Math.floor( seconds/60%60 );
// leading zero
if ( seconds%3600 < 600 ) media_time.MM = "0" + media_time.MM;
// seconds
media_time.SS = Math.floor( seconds%60 );
// leading zero
if ( seconds%60 < 10 ) media_time.SS = "0" + media_time.SS;
return media_time.HH+":"+media_time.MM+":"+media_time.SS;
}
function HMStimer(seconds) {
if (seconds >= 0) return HMStimer_core(seconds); // zero or positive
if (seconds < 0) // negative
{
seconds = seconds * (-1);
return "-"+HMStimer_core(seconds);
}
if (seconds == undefined || isNaN(seconds) ) return "– –:– –:– –";
}
// MM:SS timer
function MStimer_core(seconds) {
// minutes
media_time.MM = Math.floor( seconds/60 );
// leading zero
if ( seconds%3600 < 600 ) media_time.MM = "0" + media_time.MM;
// seconds
media_time.SS = Math.floor( seconds%60 );
// leading zero
if ( seconds%60 < 10 ) media_time.SS = "0" + media_time.SS;
return media_time.MM+":"+media_time.SS;
}
function MStimer(seconds) {
if (seconds >= 0) return MStimer_core(seconds); // zero or positive
if (seconds < 0) // negative
{
seconds = seconds * (-1);
return "-"+MStimer_core(seconds);
}
if (seconds == undefined || isNaN(seconds) ) return "– –:– –";
}
// implements togglePlay(); – deprecated due to compatibility issues on YouTube (broken site) and Dailymotion ("not a function" error through iframe'd player).
/*
Object.prototype.togglePlay = function togglePlay() {
return this.paused ? this.play() : this.pause();
};
*/
// new function without object prototype for compatibility
function togglePlay(media_element) {
if (media_element) { // validate media element first to avoid errors
media_element.paused ? media_element.play() : media_element.pause();
}
}
// media file extension list
var mediafileext = {
"video":[".mp4", ".mpg", ".mpeg", ".mts", ".mt2s", ".m4v", ".ts", ".ogv", ".wmv", ".3gp", ".3gpp", ".webm"],
"audio":[".mp3", ".wma", ".wav", ".ogg", ".opus", ".flac", ".oga", ".wma", ".aac", ".amr", ".alac", ".m4a"]
};
// "replaceAll()" polyfill for pre-2020 browsers
// based on: https://stackoverflow.com/a/1144788
function escapeRegExp(string) {
return string.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'); // $& means the whole matched string
}
// renamed function to prevent interference with "replaceAll()" on browsers since 2020
function replaceAll_polyfill(str, find, replacement) {
return str.replace(new RegExp(escapeRegExp(find), 'g'), replacement);
}
// == Main code ==
if (! timerUI) var timerUI = new Object({}); // create parent object if none exists
// default system variables
timerUI.debug_mode = false;
timerUI.override_check = false;
timerUI.on = true;
timerUI.buffer_on = true;
timerUI.multiBuffer = true; // multiple buffer segments
timerUI.div = {}; // unset yet, declaring to prevent reference errors
timerUI.interval = {};
timerUI.show_remaining = 0; // 0: show elapsed time. 1: show remaining time. 2: show elapsed and total.
timerUI.update_during_seek = true; // update timer while dragging seek bar
timerUI.color = "rgb(49,136,255)"; // #38F – using RGB for compatibility.
timerUI.default_color = "rgb(49,136,255)"; // memorize default color
timerUI.gradient = "rgba(0,0,0,0.9)"; // using RGBA instead of hexadecimal for compatibility.
timerUI.font_pack = "din, futura, 'noto sans', 'open sans', ubuntu, 'segoe ui', verdana, tahoma, roboto, 'roboto light', arial, helvetica, 'trebuchet ms' ,'bitstream vera sans', sans-serif, consolas, monospace";
timerUI.width_breakpoint = 768; // pixels
// console notifications and warnings (possibly to be expanded)
timerUI.msg = {
"notimer": "timerUI: No timer found; checking for media element again. Please try again.",
"nomedia": "timerUI: no media element found on page. Stopping."
};
// text containers (no const for compatibility)
var timer_linefeed = "<span class=timer_linefeed><br /></span>";
var timer_slash = " <span class=timer_slash>/</span> ";
// functions
timerUI.toggle = {};
timerUI.toggle.main = function() {
// show and hide
if (timerUI.div) {
timerUI.update();
if (timerUI.on) {
timerUI.div.style.display = "none";
console.log("timerUI off");
}
if (! timerUI.on ) {
timerUI.div.style.display = "block";
console.log("timerUI on");
}
if (timerUI.on) { timerUI.on = false; return false; } else { timerUI.on = true; return false; }
} else {
console.warn(timerUI.msg.notimer);
timeUI();
}
};
timerUI.toggle.buffer = function() {
if (timerUI.div) {
timerUI.update(); timerUI.updateBufferBar(true);
if (timerUI.buffer_on) {
timerUI.buffer_bar.style.display = "none";
console.log("timerUI buffer bar off");
}
if (! timerUI.buffer_on ) {
timerUI.buffer_bar.style.display = "block";
console.log("timerUI buffer bar on");
}
if (timerUI.buffer_on) {
timerUI.buffer_on = false; return false;
} else {
timerUI.buffer_on = true; return true;
}
} else {
console.warn(timerUI.msg.notimer);
timeUI();
}
};
timerUI.toggle.title = function() {
if (timerUI.div) {
timerUI.update(); timerUI.updateBufferBar(true);
if (timerUI.title_on) {
timerUI.title.style.display = "none";
console.log("timerUI title off");
}
if (! timerUI.title_on ) {
timerUI.title.style.display = "block";
console.log("timerUI title on");
}
if (timerUI.title_on) {
timerUI.title_on = false; return false;
} else {
timerUI.title_on = true; return true;
}
} else {
console.warn(timerUI.msg.notimer);
timeUI();
}
};
timerUI.getTitle = function() {
if (! timerUI.domainRules_checked) /* only check domain rules once */ {
timerUI.domainRules();
timerUI.domainRules_checked = true;
}
if (customTitleElement) timerUI.newTitle = customTitleElement.innerHTML;
else { // skipping this whole part if no custom title is specified
timerUI.newTitle = document.title;
// replace underscores with spaces
timerUI.newTitle = replaceAll_polyfill(timerUI.newTitle, "_"," ");
timerUI.titleDomainRules();
}
if (media_element) {
timerUI.updateFileIcon();
return timerUI.file_icon+" "+timerUI.newTitle;
} else {
return "TimerUI – designed for home cinemas";
}
};
timerUI.guessMediaType = function() {
if (isDomain("youtube.com") || isDomain("dailymotion.com") ) return "video";
if (document.location.pathname.search(/^\/video\//) > -1) return "video";
if (! media_element.videoWidth) return "audio"; // Detects files that only contain audio, even if they have a video file extension.
if (media_element.videoWidth > 0) return "video";
if (checkFileExtension(mediafileext.video) ) return "video";
if (checkFileExtension(mediafileext.audio) ) return "audio";
return "unknown"; // if nothing detected
};
timerUI.updateFileIcon = function() {
timerUI.file_icon = timerUI.guessMediaType();
switch(timerUI.file_icon) {
case "video": timerUI.file_icon = "🎞️"; break;
case "audio": timerUI.file_icon = "♫"; break;
case "unknown": timerUI.file_icon = "📄"; break;
}
};
timerUI.adaptTitleWidth = function() {
if (media_element.duration > 3600 && timerUI.show_remaining == 2 && window.innerWidth > timerUI.width_breakpoint)
timerUI.title.style.maxWidth = "calc(100% - 670px)";
else
timerUI.title.style.maxWidth = "calc(100% - 400px)";
};
window.addEventListener('resize', function() {
if (window.innerWidth < timerUI.width_breakpoint) timerUI.title.removeAttribute("style");
} );
timerUI.update = function() {
if (media_element) {
timerUI.bar.style.width=media_element.currentTime / media_element.duration * 100 + "%";
// buffer bar update formerly located here; removed from the scope of this function
switch(timerUI.show_remaining) {
// 0: "HH:MM:SS" 1: "-HH:MM:SS" 2: "MM:SS / MM:SS" or "HH:MM:SS / HH:MM:SS"
case 0: timerUI.time.innerHTML=HMStimer(media_element.currentTime); break;
case 1: timerUI.time.innerHTML=HMStimer(media_element.currentTime-media_element.duration); break;
case 2:
if (media_element.duration < 3600 || isNaN(media_element.duration) ) {
// show hours if duration exceeds one hour
timerUI.time.innerHTML=
MStimer(media_element.currentTime)
+ timer_linefeed
+ timer_slash
+ MStimer(media_element.duration);
} else {
timerUI.time.innerHTML=
HMStimer(media_element.currentTime)
+ timer_linefeed
+ timer_slash
+ HMStimer(media_element.duration);
}
break;
}
if (media_element.paused) {
timerUI.status.innerHTML=media_symbol.pause;
} else {
timerUI.status.innerHTML=media_symbol.play;
}
} else { timerUI.stop(); console.warn(timerUI.msg.nomedia); }
};
timerUI.updateTitle = function() {
if (timerUI.title) timerUI.title.innerHTML = timerUI.getTitle();
};
// update title on URL change
addEventListener('popstate', timerUI.updateTitle);
// update title fallback
timerUI.interval.updateTitle = setInterval(timerUI.updateTitle, 2000);
// buffer bar
timerUI.updateBufferBar = function(override_paused) {
if (media_element && timerUI.buffer_on && (!media_element.paused || override_paused) ) {
timerUI.multiBuffer ? timerUI.update_multi_buffer() : timerUI.single_segment_buffer();
}
};
// single-segment buffer bar
timerUI.single_segment_buffer = function() {
if (timerUI.buffer_bar.innerHTML!="") { timerUI.buffer_bar.style=""; timerUI.buffer_bar.innerHTML=""; } // reset after switching from multi-segment buffer bar
// find out first buffer segment after current playback position
media_element.buffered.length > 0 ? timerUI.buffer_segment=media_element.buffered.length-1 : timerUI.buffer_segment=0;
// media_element.buffered.length is zero until player is initialized
// prevent timerUI.buffer_segment from going negative, as it would cause a DOMException error
if ( timerUI.buffer_segment > 0) {
while (media_element.buffered.end(timerUI.buffer_segment-1) > media_element.currentTime && timerUI.buffer_segment > 1 ) {
timerUI.update_single_buffer();
timerUI.buffer_segment-- ;
}
}
};
timerUI.update_single_buffer = function() {
if (media_element.buffered.length > 0) {
// prevent "DOMException: Index or size is negative or greater than the allowed amount"
timerUI.buffer_bar.style.width=media_element.buffered.end(timerUI.buffer_segment) / media_element.duration * 100 + "%";
} else { timerUI.buffer_bar.style.width="0%"; }
};
// multi-segment buffer bar – highlight all buffered parts
timerUI.update_multi_buffer = function() {
if (timerUI.buffer_bar.style.length < 1) {
timerUI.buffer_bar.style.width="100%";
timerUI.buffer_bar.style.backgroundColor="rgba(0,0,0,0)";
}
if (media_element.buffered.length > 0) {
timerUI.generate_buffer_segments();
} else { timerUI.buffer_bar.style.width="0%"; }
};
timerUI.generate_buffer_segments = function() {
timerUI.buffer_bar.innerHTML=""; // reset to re-generate segments
for (count=0; count < media_element.buffered.length; count++) {
timerUI.append_buffer_segment(
timerUI.get_buffer_range(count).start_pos,
timerUI.get_buffer_range(count).end_pos
);
}
timerUI.select_segments = timerUI.buffer_bar.getElementsByClassName("timerUI_buffer_segment");
timerUI.segment_count = timerUI.select_segments.length;
};
timerUI.append_buffer_segment = function(start_pos,end_pos) {
timerUI.buffer_bar.appendChild(document.createElement("div") );
timerUI.buffer_bar.lastElementChild.classList.add("timerUI_buffer_segment");
timerUI.buffer_bar.lastElementChild.style="left:"+start_pos+"%;width:"+(end_pos-start_pos)+"%;background-color:"+timerUI.color+";";
};
timerUI.get_buffer_range = function(segment_number) {
return {
start_pos: media_element.buffered.start(segment_number) / media_element.duration * 100,
end_pos: media_element.buffered.end(segment_number) / media_element.duration * 100
}; // object with start and end percentages
};
timerUI.set_buffer_segment = function(segment_number,start_pos,end_pos) {
var selection=timerUI.buffer_bar.getElementsByClassName("timerUI_buffer_segment");
selection[segment_number].style.left = start_pos / media_element.duration * 100 + "%";
selection[segment_number].style.width = (end_pos-start_pos) / media_element.duration * 100 + "%";
};
// colors
timerUI.setColor = function(newColor) {
if (! timerUI.bar) {
/* prevent running function before timerUI is properly loaded into the DOM to prevent exception */
if (timerUI.debug_mode) console.debug("timerUI: setColor can not run before timerUI is properly loaded.");
return false;
}
timerUI.previous_color = timerUI.color; // memorize previous setting
newColor == "default" ? timerUI.color="rgb(49,136,255)" /* #38F */ : timerUI.color = newColor;
timerUI.bar.style.backgroundColor=timerUI.color;
timerUI.buffer_bar.style.backgroundColor=timerUI.color;
timerUI.bar.style.boxShadow="0 0 30px 0 "+timerUI.color;
// (deprecated due to new buffer bar) timerUI.bar_placeholder.style.backgroundColor=timerUI.color;
timerUI.time.style.color=timerUI.color;
timerUI.status.style.color=timerUI.color;
timerUI.title.style.color=timerUI.color;
// colour all buffer segments
for (var count=0; count < timerUI.buffer_bar.childNodes.length; count++) {
timerUI.buffer_bar.childNodes[count].style.backgroundColor=timerUI.color;
}
if (timerUI.debug_mode) console.debug("timerUI: color changed from "+timerUI.previous_color+" to "+timerUI.color);
};
timerUI.setColor("default"); // prevent mixed colours if the code is run multiple times
timerUI.setGradient = function(newGradient) {
newGradient == "default" ? timerUI.gradient="rgba(0,0,0,0.9)" : timerUI.gradient = newGradient;
timerUI.gradient_placeholder.style.backgroundImage="linear-gradient(to top,"+timerUI.gradient+", rgba(0,0,0,0) )";
};
timerUI.setFont = function(newFont) {
timerUI.time.style.fontFamily=newFont;
timerUI.title.style.fontFamily=newFont;
};
// light mode
timerUI.light_mode = false; // default
timerUI.light_mode_on = function() {
timerUI.light_mode = true;
timerUI.color_before_light_mode = timerUI.color;
// improves visibility:
if (timerUI.setColor) /* exists*/ {
timerUI.setColor("lightblue");
} else { return false; /* error */ }
if (timerUI.gradient_placeholder) /* exists*/ {
timerUI.gradient_placeholder.style.backgroundColor="rgba(0, 0, 0, 0.5)";
} else { return false; /* error */ }
};
timerUI.light_mode_off = function() {
timerUI.light_mode = false;
if (timerUI.setColor) /* exists*/ {
timerUI.setColor("lightblue");
} else { return false; /* error */ }
if (timerUI.gradient_placeholder) /* exists*/ {
timerUI.gradient_placeholder.style.backgroundColor=""; // fall back to default
} else { return false; /* error */ }
};
timerUI.toggle.light_mode = function() {
if ( ! timerUI.light_mode ) /* if light mode is deactivated */ {
timerUI.light_mode_on();
return true;
} else {
timerUI.light_mode_off();
return false;
}
};
// "stop" icon
timerUI.stop = function() {
timerUI.status.innerHTML=media_symbol.stop;
timerUI.bar.style.width=0;
timerUI.buffer_bar.style.width=0;
// appearance of stopped timer consistent with the show_remaining setting
if (timerUI.show_remaining == 2) {
timerUI.time.innerHTML=MStimer(undefined)+" / "+MStimer(undefined);
} else {
timerUI.time.innerHTML=HMStimer(undefined);
}
};
// Additional checks to ensure the player is detected
window.onclick = function() { checkMediaType();timeUI(); };
window.addEventListener("keydown", function() { checkMediaType();timeUI(); } );
function timeUI() {
// slightly different name to prevent naming collision with timerUI object
checkMediaType();
// add timerUI if it does not already exist
if ( ( ! document.getElementById("timerUI") ) && playerExists || timerUI.override_check ) {
// Adding elements
// parent element
appendChildWithID("div","timerUI");
timerUI.div = document.getElementById("timerUI");
// button styling
addStyle("#timerUI button { background:none; border:none; outline:none; line-height:unset; padding:0; margin:0; } #timerUI button:hover { filter: brightness(1.2); } #timerUI button:active { filter: brightness(0.6); }", timerUI.div);
// to suppress button background and border on earlier browser versions
timerUI.div.lastElementChild.classList.add("timerUI_buttons"); // label to improve visibility in page inspector
// background gradient
appendChildWithID("div","timerUI_bottom_gradient",timerUI.div );
timerUI.gradient_placeholder = document.getElementById("timerUI_bottom_gradient");
addStyle("#timerUI #timerUI_bottom_gradient { display:block; position:fixed; background-image:linear-gradient(to top,"+timerUI.gradient+", rgba(0,0,0,0) ); opacity:1; height:80pt; width:100%; left:0; bottom:0; pointer-events:none; }", timerUI.div);
// play/pause symbol
appendChildWithID("button","timerUI_playback_status",timerUI.div );
timerUI.status = document.getElementById("timerUI_playback_status");
timerUI.status.innerHTML="■";
addStyle("#timerUI #timerUI_playback_status { display:block; position:fixed; cursor:pointer; color:"+timerUI.color+"; font-size:24pt; line-height:40pt; bottom:30pt; right:3pt; font-family:none; }", timerUI.div);
// progress bar
appendChildWithID("div","timerUI_progress_bar",timerUI.div );
timerUI.bar = document.getElementById("timerUI_progress_bar");
addStyle("#timerUI #timerUI_progress_bar { display:block; position:fixed; background-color:"+timerUI.color+"; box-shadow: 0 0 30px 0px "+timerUI.color+"; height:8pt; width:50%; left:0; bottom:0; }", timerUI.div);
// buffer bar
appendChildWithID("div","timerUI_buffer_bar",timerUI.div );
timerUI.buffer_bar = document.getElementById("timerUI_buffer_bar");
addStyle("#timerUI #timerUI_buffer_bar, #timerUI .timerUI_buffer_segment { display:block; position:fixed; background-color:"+timerUI.color+"; height:8pt; width:75%; left:0; bottom:0; opacity:0.4; } #timerUI .timerUI_buffer_segment { opacity:1; }", timerUI.div);
// timer
appendChildWithID("button","timerUI_media_timer",timerUI.div );
timerUI.time = document.getElementById("timerUI_media_timer");
timerUI.time.innerHTML="00:00:00";
addStyle("#timerUI #timerUI_media_timer { display:block; color:"+timerUI.color+"; position:fixed; cursor:pointer; font-size:50pt; text-shadow: 0 0 20px black; line-height:60pt; bottom:10pt; right:30pt; text-align:right; font-weight:400; font-family:"+timerUI.font_pack+"; } #timerUI #timerUI_media_timer .timer_linefeed { display:none; }", timerUI.div);
// progress bar placeholder – put last to be at the top in stacking context
appendChildWithID("div","timerUI_progress_placeholder",timerUI.div );
timerUI.bar_placeholder = document.getElementById("timerUI_progress_placeholder");
addStyle("#timerUI #timerUI_progress_placeholder { display:block; position:fixed; cursor:pointer; background-color:grey; height:8pt; width:100%; left:0; bottom:0; opacity:0.2; }", timerUI.div);
// responsive - at bottom to be able to override CSS properties without !important flag.
addStyle("@media (max-width:"+timerUI.width_breakpoint+"px) { #timerUI #timerUI_media_timer { font-size:30pt; line-height:24pt; bottom:15pt; } #timerUI #timerUI_playback_status { bottom:10pt; } } @media (max-width:500px) { #timerUI #timerUI_media_timer .timer_linefeed { display:inline; } #timerUI #timerUI_media_timer .timer_slash { display:none; } } @media (max-width:"+timerUI.width_breakpoint+"px) { #timerUI #timerUI_buffer_bar { font-size:10pt; -webkit-line-clamp: 3; max-width:60%;} } @media (max-width:480px) { #timerUI #timerUI_buffer_bar { display: none; } } ", timerUI.div);
timerUI.div.lastElementChild.classList.add("timerUI_responsive");
// media title
appendChildWithID("div","timerUI_media_title",timerUI.div );
timerUI.title = document.getElementById("timerUI_media_title");
timerUI.title.innerHTML = timerUI.getTitle();
addStyle("#timerUI #timerUI_media_title { position:fixed; text-shadow: 0 0 5px black; display:inline; display:-webkit-box; bottom:15pt; left:2pt; color:"+timerUI.color+"; font-family:"+timerUI.font_pack+"; font-size:20pt; width:60%; max-width:calc(100% - 500px); text-overflow: ellipsis; overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: 2; vertical-align: bottom;", timerUI.div);
timerUI.domainRules(); // load domain rules after initializing timer elements
// update timer during playback every fifteenth of a second and while mouse is dragging progress bar
timerUI.interval.update = setInterval(
function() { if (
( media_element /* exists? */ && timerUI.update_during_seek && mousedown_status )
|| ( media_element && timerUI.on && ! media_element.paused )
) timerUI.update(); }, 1000/15
);
// Longer interval for buffer bar to minimize CPU usage
timerUI.interval.buffer = setInterval(timerUI.updateBufferBar, 1000);
// play and pause toggle
timerUI.status.onclick = function() { togglePlay(media_element); timerUI.update(); timerUI.updateBufferBar(true); };
// former code with object prototype caused compatibility issues on various sites: media_element.togglePlay();
// toggle between elapsed, remaining, and elapsed/total time
timerUI.time.onclick = function() {
switch(timerUI.show_remaining) {
case 0: timerUI.show_remaining = 1; break;
case 1: timerUI.show_remaining = 2; timerUI.adaptTitleWidth(); break;
case 2: timerUI.show_remaining = 0; timerUI.adaptTitleWidth(); break;
}
timerUI.update(); timerUI.updateBufferBar(true);
};
// clickable progress bar (experimental) - "clickPos" has no "timerUI." notation because it is inside the main function.
timerUI.clickSeekBar = function(m){
if (media_element) {
var clickPos = m.clientX / timerUI.bar_placeholder.offsetWidth;
// go to beginning if clicked in first percentile
if (clickPos < 0.01 ) media_element.currentTime = 0;
else media_element.currentTime = media_element.duration * clickPos;
timerUI.update(); timerUI.updateBufferBar(true);
}
};
/* function dragSeekBar(m){ // currently unused
m = m || window.event;
var clickPos = m.pageX / timerUI.bar_placeholder.offsetWidth;
var dragSeekBarInterval = setInterval( function() {
media_element.currentTime = media_element.duration * clickPos;
timerUI.update();
if (! mousedown_status) { clearInterval(dragSeekBarInterval); return; }
}, 200);
} */
timerUI.bar_placeholder.addEventListener("mousedown", timerUI.clickSeekBar );
// (incomplete) timerUI.bar_placeholder.addEventListener("mousemove", dragSeekBar );
// (obsolete) timerUI.bar_placeholder.addEventListener("mouseup", clickSeekBar );
timerUI.update();
// == Patches ==
// prevent missing out on pausing from inside a site's existing player
window.addEventListener("mouseup", function() { setTimeout(timerUI.update, 200); } );
window.addEventListener("keyup", function() { setTimeout(timerUI.update, 200); } );
// prevent detaching from player on sites with playlists such as Internet Archive
timerUI.interval.checkMedia = setInterval( checkMediaType,1000 );
// prevent indicating "▶" after playback finished
timerUI.interval.checkPaused = setInterval( function() {
if ( media_element /* exists? */ && media_element.paused && ! timerUI.pause_checked) {
timerUI.update(); timerUI.pause_checked = true;
if (timerUI.debug_mode) console.debug("timerUI: checking paused status: "+media_element.paused);
} else if ( media_element && ! media_element.paused ) { timerUI.pause_checked = false; }
// to avoid redundant checks while paused
},1000 );
} else {
// warn in console that no player exists; prevent repetition
if (! playerExists && ! timerUI.noMediaWarned) {
console.warn(timerUI.msg.nomedia); timerUI.noMediaWarned = true;
}
}
}
// == Custom domain rules ==
timerUI.domainRules = function() {
if (isDomain("dailymotion.com") && document.location.pathname.search(/^\/embed\//) < 0 ) {
// Dailymotion watch page, excluding embed page.
customMediaElement(
document.getElementById("player-body").contentWindow.document.getElementsByTagName("video")[0]
);
customTitleElement = document.getElementById("media-title"); // for unlisted videos (Dailymotion only displays the video title in the HTML page title for public videos)
}
// activate light mode on wikis and Dailymotion due to bright backgrounds
if ( isDomain("wiki")
|| isDomain("dailymotion.com")
|| isDomain("ghostarchive.org")
|| is_archive_library() ) {
timerUI.light_mode_on();
}
// media embedded on Wayback Machine
if ( is_WaybackEmbed() ) {
tmp = document.getElementsByTagName("iframe")[0]; // iframe in temporary variable to deduplicate code
customMediaElement(
tmp.contentWindow.document.getElementsByTagName("video")[0]
);
// dark background for improved video visibility
tmp.contentWindow.document.body.style.backgroundColor="#222";
}
};
timerUI.titleDomainRules = function() {
// custom domain rules for title
if ( isDomain("youtube.com") || isDomain("dailymotion.com")
|| isDomain("wikimedia.org") || isDomain("wikipedia.org")
|| isDomain("wikiversity.org") || isDomain("wikibooks.org")
|| isDomain("mediawiki.org")
) {
// negative lookahead regular expression – trim after last dash
// Match both normal dash "-" and ndash "–", since the German-language wikis use the latter.
timerUI.newTitle = decodeURI(timerUI.newTitle.substring(0,timerUI.newTitle.search(/(-|–)(?:.(?!(-|–)))+$/)-1 ) );
}
// remove "File:" prefix on wikis and
if ( isDomain("wiki") ) {
if (document.title.search(/^File:/) == 0 ) timerUI.newTitle = timerUI.newTitle.substring(5);
if (document.title.search(/^Datei:/) == 0 ) timerUI.newTitle = timerUI.newTitle.substring(6);
}
// Internet Archive library only, not Wayback Machine
if ( is_archive_library() ) {
// get media title from page title before first colon
timerUI.newTitle = (document.location.href+"").substring((document.location.href+" ").search(/\/(?:.(?!\/))+\/?$/)+1 );
// after last slash (additional space prevents full URL from being matched)
timerUI.archive_org_title = document.title.substring(0,document.title.search(/:(?:.(?!:))+(?:.(?!:))+/)-1 );
if (timerUI.archive_org_title.length > 0) /* only append " - " if a title exists. */ {
/* only append " - " if a title exists. */
if (timerUI.newTitle != "") { timerUI.newTitle += " - "; }
timerUI.newTitle += timerUI.archive_org_title;
}
// trim after second-last colon, -1 to remove space at end
timerUI.newTitle=decodeURI(timerUI.newTitle); // prevent spaces from turning into "%20".
}
if ( is_WaybackEmbed() ) {
// Already generated by the browser inside the iframe. How convenient. Otherwise, a regular expression that matches the part after the last slash in the URL, and a decodeURI would have to be used.
timerUI.newTitle = tmp.contentWindow.document.title;
}
};
function is_archive_library() {
// function to check if the current page is an Archive.org library page and not the Wayback Machine
return (isDomain(/^(www.)?archive.org/) && ! isDomain("web.archive.org") );
// automatically returns true if the condition is met and false otherwise
}
function is_WaybackEmbed() {
// checks if the current page is media embedded on the Wayback Machine, for code deduplication.
if ( isDomain("web.archive.org") || isDomain("wayback.archive.org") && document.title=="Wayback Machine" && document.getElementsByTagName("iframe")[0] ) {
// separate check for ID of iframe to avoid reference error
if (document.getElementsByTagName("iframe")[0].id=="playback") {
return true;
}
} else {
return false;
}
}
// == Master function ==
timeUI();
