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JS overhaul

This commit is contained in:
ABelliqueux 2022-12-01 11:39:18 +01:00
parent a6d6072ac1
commit 3dedb45f09
2 changed files with 335 additions and 308 deletions
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3
changelog_todo.md
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@ -83,10 +83,9 @@ sha256 : 401359a84c6d60902c05602bd52fae70f0b2ecac36d550b52d14e1e3230854a6
# TODO : # TODO :
* webgui: remove file from timeline (drag&drop to bin?) * webgui: remove file from timeline (drag&drop to bin?)
* webgui: file sync UI freeze/status/progress bar * webgui: file sync UI freeze/status/progress bar
* * webgui : js l10n
* ~ Test with several rpis * ~ Test with several rpis
* ? Scripts hotspot linux : nmcli * ? Scripts hotspot linux : nmcli
win : https://github.com/JamesCullum/Windows-Hotspot win : https://github.com/JamesCullum/Windows-Hotspot

634
static/script.js
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@ -1,424 +1,453 @@
// Config
const DEBUG = 0;
const CMD_PORT = "8888";
const TIMELINE_COLOR_CURSOR = "#FF8839";
const TIMELINE_COLOR_BG = "#2EB8E600";
// Timeline drag and drop elements default attributes // Timeline drag and drop elements default attributes
const tl_cont_attr = {id:"tl_cont", ondrop: "drop(event, this)", ondragover:"allow_drop(event)"}; const tl_cont_attr = {id:"tl_cont", ondrop: "drop(event, this)", ondragover:"allow_drop(event)"};
const tl_drag_attr = {id:"tl_drag", draggable:"true", ondragstart:"drag(event, this)"}; const tl_drag_attr = {id:"tl_drag", draggable:"true", ondragstart:"drag(event, this)"};
// Global object
window.currentUser = {
scan_interval : 3000,
status_all : "Searching network for live hosts...",
medias_status : {},
freeze_timeline_update : 0,
};
// Config
var DEBUG = 0;
var cmd_port = "8888";
var timeline_color_cursor = "#FF8839";
var timeline_color_bg = "#2EB8E600";
var scan_interval = 3000;
var status_all = "Searching network for live hosts...";
// Global vars
var src_elem = "";
var medias_status = {};
var fileButtons = [];
var freeze_timeline_update = 0;
function sleep(ms) { function sleep(ms) {
return new Promise(resolve => setTimeout(resolve, ms)); let delay = new Promise(function(resolve) {
setTimeout(resolve, ms);
});
return delay ;
// arrow notation equivalent
// return new Promise(resolve => setTimeout(resolve, ms));
} }
async function update_playlist(host){
var media_count = document.getElementById("timeline_" + host).children.length; async function update_VLC_playlist(host) {
// Update host's VLC playlist according to web UI timeline
let media_count = document.getElementById(`timeline_${host}`).children.length;
// Reversed loop // Reversed loop
for (i=media_count,l=0;i>l;i--) { for (let i=media_count, l=0; i>l; i--) {
//~ for (i=0,l=media_count;i<l;i++) {
// Find current's timeline element children's 'media_id' value // Find current's timeline element children's 'media_id' value
toShift = document.getElementById("timeline_" + host).children[i-1].children[0].getAttribute("media_id"); let to_shift = document.getElementById(`timeline_${host}`).children[i-1].children[0].getAttribute("media_id");
console.log(toShift + " : " + document.getElementById("timeline_" + host).children[i-1].children[0].innerText); console.log(to_shift + " : " + document.getElementById(`timeline_${host}`).children[i-1].children[0].innerText);
// Move 'toShift' after element with id '1' // Move 'to_shift' after element with id '1' :
// In VLC's playlist XML representation, playlist gets id '1', so moving to that id // In VLC's playlist XML representation, the playlist node always gets id '1', so moving to that id
// really means moving to the the very start of the playlist. // really means moving to the the very start of the playlist.
send_ajax_cmd("/" + host + "/move/" + toShift + "/1"); send_ajax_cmd("/" + host + "/move/" + to_shift + "/1");
await sleep(80); await sleep(90);
} }
// Un-freeze timeline update flag // Un-freeze timeline update flag
freeze_timeline_update = 0; currentUser.freeze_timeline_update = 0;
} }
function find_target_index(element, index, array, thisArg){
function find_target_index(element, index) {
if (element == this) { if (element == this) {
return index + 1; return index + 1;
} }
return 0; return 0;
} }
function shift_elements(target_elem) {
function shift_elements(source_element, target_element) {
// Shift elements in the timeline UI // Shift elements in the timeline UI
// //
// Get a list of current element siblings // Get a list of current element siblings
var elem_list = Array.from(src_elem.parentElement.children); let siblings_list = Array.from(source_element.parentElement.children);
// Initiate slice let siblings_list_slice;
var elem_list_slice = elem_list;
// Find indexes of source and target elements in the timeline // Find indexes of source and target elements in the timeline
var source_idx = elem_list.findIndex(find_target_index, src_elem); let source_index = siblings_list.findIndex(find_target_index, source_element);
var target_idx = elem_list.findIndex(find_target_index, target_elem); let target_index = siblings_list.findIndex(find_target_index, target_element);
var idx; let insert_at = 0;
// idx is the index where the elements should be inserted back
// Target element is on the left of the source element // Target element is on the left of the source element
if (source_idx < target_idx){ if (source_index < target_index){
elem_list_slice = elem_list.slice(source_idx + 1, target_idx + 1); siblings_list_slice = siblings_list.slice(source_index + 1, target_index + 1);
idx = source_idx; insert_at = source_index;
} else { } else {
// Target element is on the right of the source element // Target element is on the right of the source element
elem_list_slice = elem_list.slice(target_idx, source_idx ); siblings_list_slice = siblings_list.slice(target_index, source_index );
idx = target_idx + 1; insert_at = target_index + 1;
} }
// Shift elements according to idx // Shift elements according to insert_at
for (i=0, l=elem_list_slice.length; i<l;i++){ for (let i=0, l=siblings_list_slice.length; i<l;i++){
elem_list[idx + i].appendChild(elem_list_slice[i].children[0]); siblings_list[insert_at + i].appendChild(siblings_list_slice[i].children[0]);
} }
return target_elem; return insert_at;
} }
function allow_drop(ev) {
ev.preventDefault(); function allow_drop(event) {
drop_id = ev.dataTransfer.getData("text"); event.preventDefault();
} }
function drag(ev, source) {
function drag(event, source) {
// Freeze timeline update flag // Freeze timeline update flag
freeze_timeline_update = 1; currentUser.freeze_timeline_update = 1;
src_elem = ev.target.parentElement; event.dataTransfer.setData("text", event.target.id);
if (DEBUG) {
console.log(src_elem.children[0].getAttribute("media_id") + " : " + src_elem.children[0].innerText);
}
ev.dataTransfer.setData("text", ev.target.id);
} }
function drop(ev, target_elem) {
// If the currently dragged element is dropped on another element, shift HTML elements in the timeline to the left or right from the target element. function drop(event, target_element) {
// // If the currently dragged element is dropped on another element,
ev.preventDefault(); // shift HTML elements in the timeline to the left or right from the target element.
event.preventDefault();
// Get dragged element id // Get dragged element id
var data = ev.dataTransfer.getData("text"); let dropped_id = event.dataTransfer.getData("text");
let source_element = document.getElementById(dropped_id);
let current_host = target_element.parentElement.id.split("_")[1];
// Only shift if not dropping on self // Only shift if not dropping on self
if (src_elem.id != target_elem.id) { if (source_element.id != target_element.id) {
dropTarget = shift_elements(target_elem); let dropTarget = shift_elements(source_element.parentElement, target_element);
//~ let dropTarget = shift_elements(currentUser.source_element, target_element);
if (dropTarget) { if (dropTarget) {
// // Append dropped element to drop target.
dropTarget.appendChild(document.getElementById(data)); target_element.appendChild(source_element);
// Update VLC playlist according to UI timeline update_VLC_playlist(current_host);
// TODO : This currently sends the move cmd to all instances. Fix it to specify which host to send the cmd to.
update_playlist("10.42.0.10");
} }
} }
send_ajax_cmd("/all/list"); send_ajax_cmd("/" + current_host + "/list");
//~ setTimeout(function(){ freeze_timeline_update = 0; console.log("shwing!"); }, 2000);
} }
function adjust_timeline() { function adjust_timeline() {
// Adapt timeline's UI elements to fit the width of their parent container. // Adapt timeline's UI elements to fit the width of their parent container.
// let timeline_div = document.querySelector('[id^="timeline_"]').children;
//~ var child = document.getElementById('timeline').children; let div_width = 100 / timeline_div.length;
var child = document.querySelector('[id^="timeline_"]').children; for (let i=0, l=timeline_div.length; i<l; i++) {
var divWidth = 100 / child.length; timeline_div[i].style.width= div_width + "%";
for (i=0, l=child.length;i<l;i++) {
child[i].style.width= divWidth + "%";
} }
return timeline_div.length;
} }
function add_HTML_attr(id, attr, val , child=-1) {
function add_HTML_attr(id, attribute, val , child=-1) {
// Add attribute 'attr' with value 'val' to the HTML element with id 'id'. // Add attribute 'attr' with value 'val' to the HTML element with id 'id'.
// If child is other than -1, the attribute is applied to the HTML element's child at position 'child' // If child is other than -1, the attribute is applied to the HTML element's child at position 'child'
var elem = document.getElementById(id); let HTML_element = document.getElementById(id);
if (child>-1){ if (child > -1){
elem = elem.children[child]; HTML_element = HTML_element.children[child];
} }
var att = document.createAttribute(attr); let HTML_attr = document.createAttribute(attribute);
att.value = val; HTML_attr.value = val;
elem.setAttributeNode(att); HTML_element.setAttributeNode(HTML_attr);
} }
function add_HTML_element(type, attr, meta=0, j=0){
// Add HTML element with type 'type' and attributes 'attr'. function add_HTML_element(type, attribute, meta=0, uid=0){
// 'attr' should be a javascript object // Add HTML element with type 'type' and attributes 'attribute'.
// 'attribute' should be a javascript object containing HTML attributes keys/values
// 'meta' should be an array // 'meta' should be an array
// 'j' is used to pass an increment value when used in a loop // 'uid' is used to make the HTML id attribute unique
// //
var elem = document.createElement(type); let HTML_element = document.createElement(type);
var keys_array = Object.keys(attr); let HTML_attributes = Object.keys(attribute);
for (i=0, l=keys_array.length;i<l;i++) { for (let i=0, l=HTML_attributes.length; i<l; i++) {
var att = document.createAttribute(keys_array[i]); let new_attribute = document.createAttribute(HTML_attributes[i]);
// First iteration if(HTML_attributes[i] == "id") {
if(!i){ // HTML id needs to be unique
att.value = Object.values(attr)[i]+j; new_attribute.value = Object.values(attribute)[i] + uid;
} else { } else {
att.value = Object.values(attr)[i]; new_attribute.value = Object.values(attribute)[i];
} }
elem.setAttributeNode(att); HTML_element.setAttributeNode(new_attribute);
} }
// Set media_id attribute if metadata is provided // Set media_id attribute if metadata is provided
if (meta) { if (meta) {
attribute = document.createAttribute("media_id"); let media_attribute = document.createAttribute("media_id");
attribute.value = meta[0]; media_attribute.value = meta[0];
elem.setAttributeNode(attribute); HTML_element.setAttributeNode(media_attribute);
} }
// Get filename // Set filename as inner text
elem.innerText = meta[1]; HTML_element.innerText = meta[1];
return elem; return HTML_element;
} }
// Bouttons de commande
addEventListener("DOMContentLoaded", function() {
//~ send_ajax_cmd("/scan");
//~ send_ajax_cmd("/browse_local");
//~ setTimeout(send_ajax_cmd, 3000, "/all/browse");
//~ setTimeout(send_ajax_cmd, 4000, "/all/rssi");
//~ setTimeout(send_ajax_cmd, 1000, "/all/list");
adjust_timeline();
// Get all elements with class 'command'
var commandButtons = document.querySelectorAll(".command");
for (var i=0, l=commandButtons.length; i<l; i++) {
var button = commandButtons[i];
// Listen for clicks
button.addEventListener("click", function(event) {
// Discard signal
event.preventDefault();
// Get value=""
var clickedButton = event.currentTarget;
var command = clickedButton.value;
// Proceed accordingly
if ( command.indexOf("/reboot" ) > -1 || command.indexOf("/poweroff") > -1 ) {
if ( !confirm("Êtes vous certain de vouloir effectuer cette action ?") ) {
return 0;
}
} else if ( command == "/scan" ) { function toggle_indicator(infos_array_element, property) {
document.getElementById("status_all").innerHTML = status_all; // Toggle element bg color
toggle_state = 0;
if (infos_array_element[property] == "true") {
document.getElementById(`${property}_ind_${infos_array_element.host}`).style.backgroundColor = "#78E738";
toggle_state = 1;
} else {
document.getElementById(`${property}_ind_${infos_array_element.host}`).style.backgroundColor = "#A42000";
}
return toggle_state;
}
} else if ( command.indexOf("/sort") > -1 ){
if (command.indexOf('/1/') > -1 ) {
clickedButton.value = clickedButton.value.replace('/1/','/0/');
} else {
clickedButton.value = clickedButton.value.replace('/0/','/1/');
}
function update_status(infos_array_element) {
if (infos_array_element.status) {
document.getElementById("status_" + infos_array_element.host).innerHTML = infos_array_element.file + " <br/> " + infos_array_element.time + " / " + infos_array_element.leng;
currentUser.medias_status[infos_array_element.id] = infos_array_element.pos;
// Highlight currently playing element
let timeline_medias_array = Array.from(document.querySelectorAll('[media_id]'));
timeline_medias_array.forEach(function(media_element){
if ( media_element.getAttribute("media_id") == infos_array_element.id ) {
let first_CSS_gradient_stop = infos_array_element.pos * 100;
let second_CSS_gradient_stop = first_CSS_gradient_stop - 1 + "%";
first_CSS_gradient_stop = first_CSS_gradient_stop + "%";
let media_url_str = "url(https://" + infos_array_element.host + ":" + CMD_PORT + "/thumb/" + infos_array_element.file + ")";
let media_cssgrad_rule = "linear-gradient(90deg," + TIMELINE_COLOR_BG + " " + second_CSS_gradient_stop + ", " + TIMELINE_COLOR_CURSOR + " " + first_CSS_gradient_stop + ", " + TIMELINE_COLOR_BG + " " + first_CSS_gradient_stop + ")," + media_url_str;
media_element.style.backgroundImage = media_cssgrad_rule;
media_element.style.borderBottom = "4px solid " + TIMELINE_COLOR_CURSOR;
} else {
let media_url_str = "url(https://" + infos_array_element.host + ":" + CMD_PORT + "/thumb/" + media_element.innerText + ")"
media_element.style.backgroundImage = media_url_str;
media_element.style.borderBottom = "None";
} }
});
} else {
document.getElementById("status_" + infos_array_element.host).innerHTML = "<br><br>";
}
toggle_indicator(infos_array_element, "loop");
toggle_indicator(infos_array_element, "repeat");
return infos_array_element.status;
}
// AJAX request
var request = new XMLHttpRequest(); function update_list(infos_array_element){
if ( command == "/scan") { // Playlist infos are displayed in a div ; number of items in list and total duration.
request.onload = send_ajax_cmd(command); //~ document.getElementById("playlist_"+infos_array[i].host).innerHTML = infos_array[i].leng + " item(s) in playlist - " + infos_array[i].duration;
} else if ( command.indexOf("/clear") > -1 || command.indexOf("/sort") > -1) { // Populate timeline according to the content of the playlist
request.onload = send_ajax_cmd(command); // Get returned items as an array
} else if ( command == "/sync/all" ) { let items_array = Array.from(infos_array_element.items);
status_all = "Syncing files..."; let host = infos_array_element.host;
request.onload = send_ajax_cmd("/sync/status"); // If playlist is empty, remove all media divs in the timeline UI.
if (items_array.length == 0){
let child_list = Array.from(document.getElementById("timeline_" + host).children);
child_list.forEach(function(child){
document.getElementById("timeline_" + host).removeChild(child);
});
} else {
items_array.forEach(function(item, j){
item_meta = item.split(';');
let child_node = add_HTML_element("div", tl_drag_attr, item_meta, j);
let len = document.getElementById("timeline_" + host).children.length;
add_HTML_attr("timeline_" + host, "length", len);
if ( len < items_array.length ) {
document.getElementById("timeline_" + host).appendChild( add_HTML_element("div", tl_cont_attr, 0, len) );
} }
document.getElementById(tl_cont_attr.id + j).replaceChildren(child_node);
// build request let media_name = document.getElementById(tl_cont_attr.id + j).children[0].innerText;
request.open("GET", command, true); let media_url_str = "url(https://" + host + ":" + CMD_PORT + "/thumb/" + media_name + ")"
// send request document.getElementById(tl_cont_attr.id + j).children[0].style.backgroundImage = media_url_str;
request.send(); // Adjust elements width
adjust_timeline();
}); });
} }
}, true); return items_array.length;
}
function populate_HTML_table(inner_text, host="all", CSS_class="file_selection") {
tr = document.createElement("tr");
td = document.createElement("td");
tr.appendChild(td);
tr.setAttribute("class", CSS_class);
tr.host = host;
td.innerText = inner_text;
// Add an event to the created element to send enqueue command when a file is clicked in the list
tr.addEventListener("click", enqueue_file, false);
document.getElementById("file_sel_" + host).appendChild(tr);
}
function update_remote_filelist(infos_array_element) {
hosts = Object.keys(infos_array_element);
for (let j=0, m=hosts.length; j<m; j++) {
let media_item = Object.keys(infos_array_element[hosts[j]]);
for (let k=0, n=media_item.length; k<n; k++) {
media_item_meta = infos_array_element[hosts[j]][media_item[k]];
populate_HTML_table(media_item_meta.name, hosts[j]);
}
}
}
function update_rssi_indicator(infos_array_element){
let signal_color = 40;
let best_rssi = 30;
let worst_rssi = 70;
let rssi_norm = Math.ceil( (worst_rssi - parseInt(infos_array_element.rssi) ) / ( worst_rssi - best_rssi ) * 4 );
signal_color = (rssi_norm-1) * signal_color;
// Reset to grey
for (let i=0, l=4; i<l; i++) {
document.getElementById("wl_"+i).style.backgroundColor = "hsl(0, 0%, 65%)";
}
// Color it
for (let i=0, l=rssi_norm > 4 ? 4 : rssi_norm; i<l; i++) {
document.getElementById("wl_"+i).style.backgroundColor = "hsl(" + signal_color + ", 100%, 50%)";
}
return rssi_norm;
}
function update_local_filelist(infos_array) {
// TODO : Is this useful ?
// TODO : Get real media length
let html_table = "<table>" +
"<tr>" +
"<th>Filename</th>" +
"<th>Duration</th>" +
"</tr>";
infos_array.forEach(function(element){
html_table += "<tr>" +
"<td>" + element + "</td>" +
"<td>" + "00:00" + "</td>" +
"</tr>" ;
});
html_table += "</table>";
return html_table;
}
function update_host_list(infos_array){
let host_up = infos_array[0];
let host_down = infos_array[1];
if (host_up.length) {
host_up.forEach(function(host){
document.getElementById(host).style.display = 'block';
send_ajax_cmd("/" + host + "/list");
send_ajax_cmd("/" + host + "/rssi");
});
currentUser.scan_interval = 10000;
}
host_down.forEach(function(element){
document.getElementById(element).style.display = 'none';
});
currentUser.status_all = host_up.length + " client(s).";
return host_up.length;
}
// Metadata display // Metadata display
function parse_result(command, infos_array) { function parse_result(command, infos_array) {
if (command == "/all/status") { if (command == "/all/status") {
// Requests current status of every instances, especially current media file's name, position and length. // Requests current status of every instances, especially current media file's name, position and length.
// Also retrieves loop and repeat status. // Also retrieves loop and repeat status.
// infos_array.forEach(update_status);
// Iterate over array
for (var i = 0, l=infos_array.length; i<l; i++) {
// Get filename, time/length
if (infos_array[i].status) {
document.getElementById("status_"+infos_array[i].host).innerHTML = infos_array[i].file + " <br/> " + infos_array[i].time + " / " + infos_array[i].leng;
medias_status[infos_array[i].id] = infos_array[i].pos;
// Highlight currently playing element
timeline_medias_array = Array.from(document.querySelectorAll('[media_id]'));
for (var z=0, x=timeline_medias_array.length; z<x;z++){
if ( timeline_medias_array[z].getAttribute("media_id") == infos_array[i].id ) {
var pos = infos_array[i].pos * 100;
var pos1 = pos-1 + "%";
pos = pos + "%";
var media_url_str = "url(https://" + infos_array[i].host + ":" + cmd_port + "/thumb/" + infos_array[i].file + ")"
var media_cssgrad_rule = "linear-gradient(90deg," + timeline_color_bg + " " + pos1 + ", " + timeline_color_cursor + " " + pos + ", " + timeline_color_bg + " " + pos + ")," + media_url_str;
timeline_medias_array[z].style.backgroundImage = media_cssgrad_rule;
timeline_medias_array[z].style.borderBottom = "4px solid " + timeline_color_cursor;
} else {
var media_url_str = "url(https://" + infos_array[i].host + ":" + cmd_port + "/thumb/" + timeline_medias_array[z].innerText + ")"
timeline_medias_array[z].style.backgroundImage = media_url_str;
timeline_medias_array[z].style.borderBottom = "None";
}
}
} else {
document.getElementById("status_"+infos_array[i].host).innerHTML = "<br><br>";
}
// Toggle loop indicator
if (infos_array[i].loop == "true") {
document.getElementById("loop_ind_" + infos_array[i].host).style.backgroundColor = "#78E738";
} else {
document.getElementById("loop_ind_" + infos_array[i].host).style.backgroundColor = "#A42000";
}
// Toggle repeat indicator
if (infos_array[i].repeat == "true") {
document.getElementById("repeat_ind_" + infos_array[i].host).style.backgroundColor = "#78E738";
} else {
document.getElementById("repeat_ind_" + infos_array[i].host).style.backgroundColor = "#A42000";
}
}
} else if ( command.indexOf("/list") > -1 ) { } else if ( command.indexOf("/list") > -1 ) {
// Requests playlist of every instances // Requests playlist of every instances
// if (!currentUser.freeze_timeline_update){
if (!freeze_timeline_update){ infos_array.forEach(update_list);
console.log("Timeline freeze : " + freeze_timeline_update);
console.log("Infos array : " + infos_array);
for (var i = 0, l=infos_array.length; i<l; i++) {
// Playlist infos are displayed in a div ; number of items in list and total duration.
//~ document.getElementById("playlist_"+infos_array[i].host).innerHTML = infos_array[i].leng + " item(s) in playlist - " + infos_array[i].duration;
// Populate timeline according to the content of the playlist
// Get returned items as an array
var items_array = Array.from(infos_array[i].items);
//console.log(items_array.length);
// If playlist is empty, remove all media divs in the timeline UI.
if (items_array.length == 0){
var child_list = Array.from(document.getElementById("timeline_" + infos_array[i].host).children);
for(x=0,y=child_list.length;x<y;x++){
document.getElementById("timeline_" + infos_array[i].host).removeChild(child_list[x]);
}
break;
}
for (var j = 0, k=items_array.length; j<k; j++) {
// Timeline
item_meta = items_array[j].split(';');
var child_node = add_HTML_element("div", tl_drag_attr, item_meta, j);
var len = document.getElementById("timeline_" + infos_array[i].host).children.length;
add_HTML_attr("timeline_" + infos_array[i].host, "length", len);
if ( len < items_array.length ) {
document.getElementById("timeline_" + infos_array[i].host).appendChild( add_HTML_element("div", tl_cont_attr, 0, len) );
}
document.getElementById(tl_cont_attr.id + j).replaceChildren(child_node);
var media_name = document.getElementById(tl_cont_attr.id + j).children[0].innerText;
var media_url_str = "url(https://" + infos_array[i].host + ":" + cmd_port + "/thumb/" + media_name + ")"
document.getElementById(tl_cont_attr.id + j).children[0].style.backgroundImage = media_url_str;
// Adjust elements width
adjust_timeline();
}
}
} }
} else if ( command == "/scan") { } else if ( command == "/scan") {
var host_up = infos_array[0]; // Scan for live hosts
var host_down = infos_array[1]; update_host_list(infos_array);
for ( var i=0, l=host_up.length; i<l; i++){
document.getElementById(host_up[i]).style.display = 'block';
}
for ( var i=0, l=host_down.length; i<l; i++){
document.getElementById(host_down[i]).style.display = 'none';
}
if (host_up.length) {
scan_interval = 10000;
//~ document.getElementById("status_all").innerHTML = "Scan interval set to " + scan_interval;
status_all = "Scan interval set to " + scan_interval;
}
//~ document.getElementById("status_all").innerHTML = host_up.length + " client(s).";
status_all = host_up.length + " client(s).";
} else if ( command == "/browse_local") { } else if ( command == "/browse_local") {
// Display local media files in a table // Display local media files in a table
var html_table = "<table>" + document.getElementById("filelist").innerHTML = update_local_filelist(infos_array);
"<tr>" +
"<th>Filename</th>" +
"<th>Duration</th>" +
"</tr>";
for (var j = 0, k=infos_array.length; j<k; j++) {
html_table += "<tr>" +
"<td>" + infos_array[j] + "</td>" +
"<td>" + "00:00" + "</td>" +
"</tr>" ;
}
html_table += "</table>";
document.getElementById("filelist").innerHTML = html_table;
} else if ( command == "/all/rssi") { } else if ( command == "/all/rssi") {
// RSSI strength indicator // RSSI strength indicator
var signal_color = 40; infos_array.forEach(update_rssi_indicator);
var best_rssi = 30;
var worst_rssi = 70;
for (var j = 0, k=infos_array.length; j<k; j++) {
var rssi_norm = Math.ceil( (worst_rssi - parseInt(infos_array[j].rssi) ) / ( worst_rssi - best_rssi ) * 4 );
signal_color = (rssi_norm-1) * signal_color;
// Reset to grey
for (i=0, l=4; i<l;i++) {
document.getElementById("wl_"+i).style.backgroundColor = "hsl(0, 0%, 65%)";
}
// Color it
for (i=0, l=rssi_norm>4?4:rssi_norm; i<l;i++) {
document.getElementById("wl_"+i).style.backgroundColor = "hsl(" + signal_color + ", 100%, 50%)";
}
}
} else if ( command == "/all/browse") { } else if ( command == "/all/browse") {
// Display remote media files in a table // Display remote media files in a table
for (var i=0, l=infos_array.length; i<l; i++) { infos_array.forEach(update_remote_filelist);
hosts = Object.keys(infos_array[i]);
//~ console.log(keys);
for ( var j=0, k=hosts.length;j<k;j++ ) {
keys_ = Object.keys(infos_array[i][hosts[j]]);
//~ console.log(infos_array[i][hosts[j]]);
for ( var m=0, n=keys_.length;m<n;m++ ) {
item_meta = infos_array[i][hosts[j]][keys_[m]];
//~ console.log(item_meta);
tr = document.createElement("tr");
td = document.createElement("td");
tr.appendChild(td);
tr.setAttribute("class", "file_selection");
tr.host = hosts[j];
td.innerText = item_meta.name;
// Add an event to the created element to send enqueue command when a file is clicked in the list
tr.addEventListener("click", enqueue_file, false);
document.getElementById("file_sel_"+hosts).appendChild(tr);
}
}
}
} else if ( command == "/sync/status") { } else if ( command == "/sync/status") {
status_all = infos_array; // TODO : File sync UI status
currentUser.status_all = infos_array;
} else { } else {
setTimeout(send_ajax_cmd, 80, "/all/list"); setTimeout(send_ajax_cmd, 80, "/all/list");
setTimeout(send_ajax_cmd, 120, "/all/status"); setTimeout(send_ajax_cmd, 120, "/all/status");
} }
} }
function send_ajax_cmd(command) { function send_ajax_cmd(command) {
var request = new XMLHttpRequest(); let request = new XMLHttpRequest();
request.onload = function() { request.onload = function() {
if (request.readyState === request.DONE) { if (request.readyState === request.DONE) {
if (request.status === 200) { if (request.status === 200) {
// responseText is a string, use parse to get an array. // responseText is a string, use parse to get an array.
if (!freeze_timeline_update) { if (!currentUser.freeze_timeline_update) {
var infos_array = JSON.parse(request.responseText); let infos_array = JSON.parse(request.responseText);
//console.log(infos_array.length);
parse_result(command, infos_array); parse_result(command, infos_array);
//return infos_array;
} }
} }
} }
}; };
// On construit la commande
request.open("GET", command, true); request.open("GET", command, true);
// et on l'envoie
request.send(); request.send();
} }
function enqueue_file(evt) { function enqueue_file(evt) {
//console.log(evt.currentTarget.innerText + evt.currentTarget.host);
send_ajax_cmd("/" + evt.currentTarget.host + "/enqueue/" + evt.currentTarget.innerText); send_ajax_cmd("/" + evt.currentTarget.host + "/enqueue/" + evt.currentTarget.innerText);
//~ send_ajax_cmd("/all/list");
setTimeout(send_ajax_cmd, 40, "/" + evt.currentTarget.host + "/list"); setTimeout(send_ajax_cmd, 40, "/" + evt.currentTarget.host + "/list");
//~ send_ajax_cmd("/" + evt.currentTarget.host + "/list");
} }
function update_statusall_content() { function update_statusall_content() {
document.getElementById("status_all").innerHTML = status_all; document.getElementById("status_all").innerHTML = currentUser.status_all;
} }
var scan_hosts = function() {
function scan_hosts() {
send_ajax_cmd("/scan"); send_ajax_cmd("/scan");
update_statusall_content(); update_statusall_content();
setTimeout(scan_hosts, scan_interval); setTimeout(scan_hosts, currentUser.scan_interval);
} };
// UI
addEventListener("DOMContentLoaded", function() {
adjust_timeline();
let commandButtons = document.querySelectorAll(".command");
for (let i=0, l=commandButtons.length; i<l; i++) {
let button = commandButtons[i];
button.addEventListener("click", function(event) {
event.preventDefault();
let clickedButton = event.currentTarget;
let command = clickedButton.value;
if ( command.indexOf("/reboot" ) > -1 || command.indexOf("/poweroff") > -1 ) {
// TODO : l10n
if ( !confirm("Êtes vous certain de vouloir effectuer cette action ?") ) {
return 0;
}
} else if ( command == "/scan" ) {
document.getElementById("status_all").innerHTML = currentUser.status_all;
} else if ( command.indexOf("/sort") > -1 ){
if (command.indexOf('/1/') > -1 ) {
clickedButton.value = clickedButton.value.replace('/1/','/0/');
} else {
clickedButton.value = clickedButton.value.replace('/0/','/1/');
}
}
// AJAX request
let request = new XMLHttpRequest();
if ( command == "/scan") {
request.onload = send_ajax_cmd(command);
} else if ( command.indexOf("/clear") > -1 || command.indexOf("/sort") > -1) {
request.onload = send_ajax_cmd(command);
} else if ( command == "/sync/all" ) {
currentUser.status_all = "Syncing files...";
request.onload = send_ajax_cmd("/sync/status");
}
request.open("GET", command, true);
request.send();
});
}
}, true);
send_ajax_cmd("/scan"); send_ajax_cmd("/scan");
send_ajax_cmd("/browse_local"); send_ajax_cmd("/browse_local");
@ -426,7 +455,6 @@ setInterval(send_ajax_cmd, 500, "/all/status");
setTimeout(send_ajax_cmd, 1000, "/all/list"); setTimeout(send_ajax_cmd, 1000, "/all/list");
setTimeout(send_ajax_cmd, 3000, "/all/browse"); setTimeout(send_ajax_cmd, 3000, "/all/browse");
setInterval(send_ajax_cmd, 20000, "/all/rssi"); setInterval(send_ajax_cmd, 20000, "/all/rssi");
//~ setInterval(update_statusall_content, 1000); setTimeout(scan_hosts, currentUser.scan_interval);
setTimeout(scan_hosts, scan_interval);