Various updates to reddit_live_new.

This commit is contained in:
voussoir 2021-06-22 15:50:07 -07:00
parent 71a66e4b54
commit 84c8f0ac71
No known key found for this signature in database
GPG key ID: 5F7554F8C26DACCB

View file

@ -16,7 +16,7 @@
<body>
<div id="control_panel">
<input type="text" id="subreddit_field" placeholder="/r/learnpython" autofocus>
<button id="start_button" onclick="start()">Start</button>
<button id="start_button" onclick="start_button()">Start</button>
<a id="browser_link"></a>
<button id="clear_button" onclick="clear_workspace()">Clear workspace</button>
</div>
@ -41,12 +41,15 @@ body
padding: 5px;
}
#control_panel
{
background-color: #284142;
padding: 5px;
}
#control_panel.error
{
background-color: #f00;
}
.submission .text
{
@ -107,26 +110,26 @@ a:hover
http://www.html5rocks.com/en/tutorials/pagevisibility/intro/
*/
var CHECK_DELAY = 30 * 1000;
var CONTROL_PANEL = document.getElementById("control_panel");
CONTROL_PANEL.default_color = CONTROL_PANEL.style.backgroundColor;
var WORKSPACE = document.getElementById("workspace");
const CHECK_DELAY = 30 * 1000;
const CONTROL_PANEL = document.getElementById("control_panel");
const WORKSPACE = document.getElementById("workspace");
var id_cache = [];
var id_cache_size = 20;
const ID_CACHE = [];
const ID_CACHE_SIZE = 20;
var first_loop = true;
var unread_notification_count = 0;
var subreddit = "";
var check_timer = null;
let FIRST_LOOP = true;
let UNREAD_NOTIFICATION_COUNT = 0;
let SUBREDDIT = "";
let CHECK_TIMER = null;
let PAGE_FOCUSED_CACHED;
var page_focused_cached;
function bind_box_to_button(box, button, ctrl_enter)
{
// Thanks Yaroslav Yakovlev
// http://stackoverflow.com/a/9343095
var bound_box_hook = function(event)
const bound_box_hook = function(event)
{
if (event.key !== "Enter")
{return;}
@ -143,13 +146,13 @@ function bind_box_to_button(box, button, ctrl_enter)
bind_box_to_button(document.getElementById("subreddit_field"), document.getElementById("start_button"));
var HTTPClient = function()
const HTTPClient = function()
{
/* Thanks ttgagne http://stackoverflow.com/a/22076667 */
var asynchronous = true;
const asynchronous = true;
this.get = function(url, callback)
{
var request = new XMLHttpRequest();
const request = new XMLHttpRequest();
request.onreadystatechange = function()
{
// console.log(request.readyState);
@ -158,12 +161,12 @@ var HTTPClient = function()
{
if (request.status == 200)
{
CONTROL_PANEL.style.backgroundColor = CONTROL_PANEL.default_color;
CONTROL_PANEL.classList.remove("error");
callback(request.responseText);
}
else
{
CONTROL_PANEL.style.backgroundColor = "#f00";
CONTROL_PANEL.classList.add("error");
}
}
}
@ -172,26 +175,27 @@ var HTTPClient = function()
request.send(null);
}
}
const session = new HTTPClient();
function create_submission_div(submission)
{
var div = document.createElement("div");
const div = document.createElement("div");
div.className = "submission";
var anchor = document.createElement("a");
const anchor = document.createElement("a");
anchor.innerHTML = "/r/" + submission["subreddit"] + " - " + submission["title"];
anchor.href = "https://reddit.com/r/" + submission["subreddit"] + "/comments/" + submission["id"];
anchor.target = "_blank";
var text = document.createElement("div");
const text = document.createElement("div");
text.className = "text";
var template = document.createElement("template");
var txt = document.createElement("textarea");
const template = document.createElement("template");
const txt = document.createElement("textarea");
txt.innerHTML = unescape(submission["selftext_html"]);
template.innerHTML = txt.value;
text.appendChild(template.content);
var delete_button = document.createElement("button");
const delete_button = document.createElement("button");
delete_button.className = "delete_button";
delete_button.div = div;
delete_button.innerHTML = "X";
@ -200,10 +204,6 @@ function create_submission_div(submission)
this.div.parentElement.removeChild(this.div);
}
// var timestamp = document.createElement("span");
// var submission_time = new Date(submission["created_utc"])
// timestamp.innerHTML = "" + submission_time.getHours() + ":" + submission_time.getMinutes();
div.appendChild(anchor);
div.appendChild(text);
div.appendChild(delete_button);
@ -212,21 +212,21 @@ function create_submission_div(submission)
function apply_to_page(response_json)
{
var j = JSON.parse(response_json);
var submissions = j["data"]["children"];
const j = JSON.parse(response_json);
const submissions = j["data"]["children"];
submissions.reverse(); // newest last
var new_items = 0;
for (var index = 0; index < submissions.length; index += 1)
let new_items = 0;
for (let submission of submissions)
{
var submission = submissions[index]["data"];
if (id_cache.includes(submission["id"]))
submission = submission["data"];
if (ID_CACHE.includes(submission["id"]))
{
continue;
}
id_cache.push(submission["id"]);
ID_CACHE.push(submission["id"]);
if (first_loop)
if (FIRST_LOOP)
{
continue;
}
@ -238,36 +238,36 @@ function apply_to_page(response_json)
// WORKSPACE.appendChild(div);
}
console.log("+" + new_items);
if (new_items > 0 && !page_focused_cached)
if (new_items > 0 && !PAGE_FOCUSED_CACHED)
{
unread_notification_count += new_items;
UNREAD_NOTIFICATION_COUNT += new_items;
update_title();
}
while (id_cache.length < id_cache_size)
while (ID_CACHE.length < ID_CACHE_SIZE)
{
id_cache.shift();
ID_CACHE.shift();
}
first_loop = false;
FIRST_LOOP = false;
}
function check_forever()
{
clearTimeout(check_timer);
clearTimeout(CHECK_TIMER);
check_once();
check_timer = setTimeout(check_forever, CHECK_DELAY);
CHECK_TIMER = setTimeout(check_forever, CHECK_DELAY);
}
function check_once()
{
console.log("checking");
if (subreddit == "")
if (SUBREDDIT == "")
{
console.log("no subreddit");
return;
}
var url = "https://api.reddit.com" + subreddit + "/new.json";
const url = "https://api.reddit.com" + SUBREDDIT + "/new.json";
console.log(`Checking ${url}`);
session.get(url, apply_to_page);
}
@ -283,24 +283,24 @@ function on_focus_change()
{
if (page_focused_fresh())
{
unread_notification_count = 0;
UNREAD_NOTIFICATION_COUNT = 0;
update_title();
}
}
function page_focused_fresh()
{
var property = visibility_property();
const property = visibility_property();
if (!property)
{
page_focused_cached = true;
PAGE_FOCUSED_CACHED = true;
return true;
}
else
{
page_focused_cached = !document[property];
PAGE_FOCUSED_CACHED = !document[property];
}
return page_focused_cached;
return PAGE_FOCUSED_CACHED;
}
function sort_submission_comparator(submission_1, submission_2)
@ -315,21 +315,28 @@ function sort_submission_comparator(submission_1, submission_2)
return 0;
}
function start()
function start_button()
{
const subreddit = document.getElementById("subreddit_field").value.trim();
if (subreddit !== "")
{
return start(subreddit);
}
}
function start(subreddit)
{
console.log("start");
first_loop = true;
FIRST_LOOP = true;
clear_workspace();
var field = document.getElementById("subreddit_field");
var text = field.value;
text = text.replace("/u/", "/user/");
if (text.indexOf("/") == -1)
subreddit = subreddit.replace("/u/", "/user/");
if (subreddit.indexOf("/") == -1)
{
text = "/r/" + text;
subreddit = "/r/" + subreddit;
}
subreddit = text;
var link = document.getElementById("browser_link");
var url = "https://reddit.com" + subreddit + "/new";
SUBREDDIT = subreddit;
const link = document.getElementById("browser_link");
const url = "https://reddit.com" + SUBREDDIT + "/new";
link.href = url;
link.innerHTML = url;
update_title();
@ -338,42 +345,52 @@ function start()
function update_title()
{
var title = subreddit + "/new";
if (unread_notification_count > 0)
let title = SUBREDDIT + "/new";
if (UNREAD_NOTIFICATION_COUNT > 0)
{
title = "(" + unread_notification_count + ") " + title;
title = "(" + UNREAD_NOTIFICATION_COUNT + ") " + title;
}
document.title = title;
}
function visibility_property()
{
var prefixes = ["webkit","moz","ms","o"];
const prefixes = ["webkit", "moz", "ms", "o"];
if ("hidden" in document)
{
return "hidden";
}
for (var i = 0; i < prefixes.length; i++)
for (const prefix of prefixes)
{
hidden_attribute = prefixes[i] + "Hidden";
if ((hidden_attribute) in document)
const hidden_attribute = prefix + "Hidden";
if (hidden_attribute in document)
{
return hidden_attribute;
}
}
return null;
}
page_focused_fresh();
var my_visibility_property = visibility_property();
const my_visibility_property = visibility_property();
if (my_visibility_property)
{
var my_event_name = my_visibility_property.replace(/[H|h]idden/,'') + 'visibilitychange';
const my_event_name = my_visibility_property.replace(/[H|h]idden/,'') + 'visibilitychange';
document.addEventListener(my_event_name, on_focus_change);
}
var session = new HTTPClient();
function on_pageload()
{
const url_params = new URLSearchParams(window.location.search);
const subreddit = (url_params.get('subreddit') || "").trim();
if (subreddit !== "")
{
start(subreddit);
}
}
document.addEventListener("DOMContentLoaded", on_pageload);
</script>