Massive structure rewrite

config.json

@@ -4,5 +4,12 @@
         "use_reloader": true,
         "host": "0.0.0.0",
         "port": 5101
+    },
+    "socket": {
+        "ping_timeout": 8,
+        "ping_interval": 2
+    },
+    "display": {
+        "timeout": 86400
     }
 }

helpers/__init__.py

@@ -0,0 +1,2 @@
+from . import uuid
+from . import connection

helpers/connection.py

@@ -0,0 +1,10 @@
+from objects import glob
+
+def connect(sid):
+    glob.connections[sid] = set()
+
+def disconnect(sid):
+    for display in glob.connections[sid]:
+        display.detach(sid)
+
+    del glob.connections[sid]

helpers/uuid.py

@@ -0,0 +1,8 @@
+from random import randint
+
+UUID_SIZE = (8, 4, 4, 4, 12)
+UUID_GLUE = "-"
+
+def generate():
+    #[randint(0, 15) for s in UUID_SIZE for _ in range(s)]
+    return "-".join("".join(format(randint(0, 15), "x") for _ in range(s)) for s in UUID_SIZE)

objects/__init__.py

@@ -0,0 +1,2 @@
+from . import display
+from . import glob

objects/display.py

@@ -1,24 +1,64 @@
-displays = {}
+from datetime import datetime
-windows = {}
+
-tabs = {}
+from . import glob
+from helpers.uuid import generate as generate_uuid
 
 class Display:
     def __init__(self, uuid):
+        if uuid in glob.displays.keys():
+            raise Exception("Display with this UUID already exists!")
+        glob.displays[uuid] = self
+
         self.uuid = uuid
-        self.connections = [] # maybe set()?
+        self.connections = set() # maybe set()?
         self.windows = [] # maybe set()?
 
-    def attach(self, connection):
+        self.title = None
-        self.connections.append(connection)
+        self.start_time = int( datetime.now().timestamp() )
+        self.kill_time = self.start_time + glob.config["display"]["timeout"]
     
-    def detach(self, connection):
+    def attach(self, sid):
-        self.connections.remove(connection)
+        self.connections.add(sid)
+        glob.connections[sid].add(self)
+
+        self.kill_time = None
+
+    def detach(self, sid):
+        self.connections.remove(sid)
+        glob.connections[sid].remove(self)
+
+        if len(self.connections) == 0:
+            self.kill_time = int( datetime.now().timestamp() ) + glob.config["display"]["timeout"]
+
+    def serialize(self):
+        return {
+            "uuid": self.uuid,
+            "connections": len(self.connections),
+            "title": self.title,
+            "start_time": self.start_time,
+            "kill_time": self.kill_time
+        }
+
+    def __str__(self):
+        return self.uuid
+
+    @staticmethod
+    def generate():
+        while True:
+            uuid = generate_uuid()
+            if uuid not in glob.displays.keys():
+                break
+        return Display(uuid)
 
 class Window:
     def __init__(self, uuid,
             title = "__unnamed__",
             grid_column = (0, 0),
             grid_row = (0, 0)):
+        if uuid in glob.windows.keys():
+            raise Exception("Window with this UUID already exists!")
+        glob.windows[uuid] = self
+
         self.uuid = uuid
         self.title = title
 
@@ -53,6 +93,10 @@ class Window:
 class Tab:
     def __init__(self, uuid,
             title = "__unnamed__"):
+        if uuid in glob.tabs.keys():
+            raise Exception("Tab with this UUID already exists!")
+        glob.tabs[uuid] = self
+            
         self.uuid = uuid
         self.content = ""
 

objects/glob.py

@@ -2,8 +2,13 @@ import json
 from flask import Flask
 from flask_socketio import SocketIO
 
-app = Flask("__main__")
-websocket = SocketIO(app)
-
 with open("config.json", "r") as f:
     config = json.load(f)
+
+app = Flask("__main__")
+websocket = SocketIO(app, **config["socket"])
+
+connections = {}
+displays = {}
+windows = {}
+tabs = {}

templates/display.html

@@ -3,6 +3,15 @@
 {% block extend_head %}
 <script src="{{ url_for('static', filename='js/socket.io.js') }}"></script>
 <style>
+    * {
+        -webkit-touch-callout: none;
+        -webkit-user-select: none;
+        -khtml-user-select: none;
+        -moz-user-select: none;
+        -ms-user-select: none;
+        user-select: none;
+    }
+
     display:before {
         content: attr(title);
     }
@@ -102,14 +111,15 @@
         }
 
         displayList.getElementsByTagName("list")[0].innerHTML = "";
-        for (item in list) {
+        for (const item of list) {
             add(item);
         }
-        add("+");
-        add("+");
-        add("+");
 
         displayList.hidden = false;
     }
+
+    function addItemToDisplayList(item, onclick) {
+
+    }
 </script>
 {% endblock %}

templates/edit.html

@@ -4,17 +4,221 @@
 <script src="{{ url_for('static', filename='js/socket.io.js') }}"></script>
 <script>
     const socket = io();
+    let timeout_interval_handle = -1;
 
-    socket.on("connect", () => {
+    socket.on("connect", () => { // ฅ^•ﻌ•^ฅ
-        //socket.emit("connect", {data: "ฅ^•ﻌ•^ฅ"});
+        socket.emit("display", {action: "list"}, ack = (list) => onDisplayListReceive(list));
     });
 
     socket.on("msg", (data) => {
         console.log(data);
     });
+
+    function onDisplayListReceive(list) {
+        clearDisplayList();
+
+        for (const item of list) {
+            dlist.appendChild(
+                createDisplayItem(item.uuid, item.title, item.connections, item.start_time, item.kill_time)
+            );
+        }
+
+        dwindow.hidden = false;
+    }
+
+    function onDisplayNewReceive(item) {
+        dlist.appendChild(
+            createDisplayItem(item.uuid, item.title, item.connections, item.start_time, item.kill_time)
+        );
+    }
+
+    function clearDisplayList() {
+        dlist.innerHTML = "";
+        dlist.appendChild( createDisplayItemNew() );
+    }
+
+    function createDisplayItem(uuid, title, connections, start_time, kill_time) {
+        let displayItem = document.createElement("li");
+
+        displayItem.onclick = () => {
+            socket.emit("display",
+                {action: "connect", uuid: uuid}//,
+                //ack = () => onDisplayNewReceive(uuid)
+            );
+        };
+
+        displayItem.id = uuid;
+        displayItem.title = title || uuid;
+
+        displayItem.connections = connections;
+        displayItem.start_time = start_time;
+        displayItem.kill_time = kill_time;
+
+        displayItem.innerHTML = `<pre>Connections: ${displayItem.connections}
+Created: ${new Date(displayItem.start_time * 1000).toLocaleString()}` + ( displayItem.kill_time ? `
+Timeout: <span class="timeout" data-timeout="${displayItem.kill_time}">Fetching...</span>` : "") + `</pre>`;
+        // Not actually fetching... just sounded better for the time being ^
+
+        if (timeout_interval_handle == -1 && document.getElementsByClassName("timeout")) {
+            timeout_interval_handle = setInterval(() => {
+                if (document.getElementsByClassName("timeout").length == 0) {
+                    clearInterval(timeout_interval_handle);
+                    timeout_interval_handle = -1;
+                } else {
+                    let remove_list = [];
+
+                    for (const dom of document.getElementsByClassName("timeout")) {
+                        const date = dom.dataset.timeout - Math.floor(Date.now() / 1000);
+
+                        if (date < 0) {
+                            dom.innerText = "Should be gone by now...";
+                            remove_list.push(dom); // We cant remove this class while iterating using it
+                        } else {
+                            let h = parseInt(date / 3600);
+                            let m = parseInt(date / 60) % 60;
+                            let s = date % 60;
+
+                            if (h < 10) h = "0" + h;
+                            if (m < 10) m = "0" + m;
+                            if (s < 10) s = "0" + s;
+
+                            dom.innerText = `${h}:${m}:${s}`;
+                        }
+                    }
+
+                    for (const dom of remove_list) { // Remove the timeout class
+                        dom.classList.remove("timeout");
+                    }
+                }
+            }, 1000);
+        }
+
+        return displayItem;
+    }
+
+    function createDisplayItemNew() {
+        let displayItem = document.createElement("li");
+
+        displayItem.classList.add("new");
+
+        displayItem.onclick = () => {
+            socket.emit("display",
+                {action: "new"},
+                ack = (uuid) => onDisplayNewReceive(uuid)
+            );
+        };
+
+        return displayItem;
+    }
 </script>
+<style>
+    :root {
+        --color-nav: #333;
+        --color-background: #242424;
+        --color-text: #CCC;
+
+        --color-border-bottom: #3D3D3D;
+        --color-border-sides: #525252;
+    }
+
+    * {
+        -webkit-touch-callout: none;
+        -webkit-user-select: none;
+        -khtml-user-select: none;
+        -moz-user-select: none;
+        -ms-user-select: none;
+        user-select: none;
+    }
+
+    body {
+        color: var(--color-text);
+    }
+
+    .border {
+        border: 1px solid var(--color-border-sides);
+        border-top-width: 0;
+        border-bottom-color: var(--color-border-bottom);
+    }
+
+    .window[title]:before {
+        content: attr(title);
+
+        background-color: var(--color-nav);
+        padding: .5em;
+
+        border-bottom: 1px solid var(--color-border-bottom);
+    }
+
+    .window.list {
+        display: grid;
+        grid-template-rows: auto 1fr;
+
+        position: fixed;
+        top: 0;
+        left: 0;
+        height: 100%;
+        width: 100%;
+
+        background-color: var(--color-background);
+
+        transition: transform .2s ease, opacity .2s ease;
+        transform: scale(1);
+        opacity: 1;
+    }
+
+    .window[hidden] {
+        transform: scale(.96);
+        opacity: 0;
+    }
+
+    .scrollable {
+        display: block;
+        overflow: auto;
+    }
+
+    ul {
+        display: flex;
+        flex-flow: column;
+
+        padding-inline-start: 0px;
+    }
+
+    ul li {
+        display: block;
+
+        padding: 1em;
+        margin: .5em 1em;
+        
+        border: 1px solid var(--color-border-sides);
+        border-top-color: var(--color-nav);
+        border-bottom-color: var(--color-border-bottom);
+    }
+
+    ul li:hover {
+        background-color: var(--color-nav);
+    }
+
+    ul li[title]:before {
+        content: "Display: " attr(title);
+    }
+
+    ul li.new:before {
+        content: "+";
+    }
+
+    ul li.new {
+        order: 1;
+        text-align: center;
+    }
+
+</style>
 {% endblock %}
 
 {% block content %}
-
+<div class="window list" id="dwindow" title="Displays" hidden>
+    <div class="scrollable">
+        <ul id="dlist"></ul>
+    </div>
+</div>
+<div class="window" hidden></div>
 {% endblock %}

websocket.py

@@ -1,20 +1,49 @@
 import json
 
+from flask import request
 from flask_socketio import emit
 
-from objects import display
+from objects.display import Display, Window, Tab
 from objects import glob
 
+from helpers import uuid, connection
+
+@glob.websocket.on_error_default  # handles all namespaces without an explicit error handler
+def default_error_handler(e):
+    print("ERR:", e)
+    return 500
+
 @glob.websocket.on("connect")
 def ws_connect():
-    emit("msg", "hi")
+    connection.connect(request.sid)
+    return "hi"
+
+@glob.websocket.on("disconnect")
+def ws_disconnect():
+    connection.disconnect(request.sid)
 
 @glob.websocket.on("display")
 def ws_display(data):
     def handle_list(_):
-        emit("display", {"action": "list", "value": list( display.displays.keys() )})
+        return [ item.serialize() for item in glob.displays.values() ]
+    
+    def handle_new(_):
+        display = Display.generate()
+        return display.serialize()
+    
+    def handle_connect(data):
+        uuid = data["uuid"]
+        if uuid not in glob.displays.keys():
+            raise Exception("Display not found")
+
+        glob.displays[uuid].attach(request.sid)
+        #print(dir(request))
+        #print(request.sid)
+        #print("TODO")
 
     switch = {
-        "list": handle_list
+        "list": handle_list,
+        "new": handle_new,
+        "connect": handle_connect
     }
-    switch.get(data["action"])(data)
+    return switch.get(data["action"])(data)