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chat.html
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chat.html
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<html>
<head>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/hammer.js/2.0.8/hammer.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.0/jquery.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/vue-cookies@1.7.0/vue-cookies.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/3.1.0/socket.io.min.js"></script>
<link rel="stylesheet" type="text/css" href="{{ url_for('static', filename = 'css/style.css') }}">
<link rel="stylesheet" type="text/css" href="{{ url_for('static', filename = 'css/landscape.css') }}">
<script src="{{ url_for('static', filename = 'js/draw.js') }}"></script>
<script src="{{ url_for('static', filename = 'js/user.js') }}"></script>
<script src="{{ url_for('static', filename = 'js/chat.js') }}"></script>
<title>PictoALPH</title>
<!-- Basic declarations and Meta descriptions -->
<meta charset="utf-8">
<meta name="viewport" content="user-scalable=0">
<!-- <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"> -->
<meta name="description" content="Chat.">
</head>
<script>
let appV = null
/*
Define message container componen in vue.js
*/
Vue.component('message-li', {
delimiters : ['[[', ']]'],
props: ['message'],
template: `
<div v-bind:class="{ 'chat-notice': (typeof message.isNotice != 'undefined'), 'message': (typeof message.isNotice == 'undefined') }">
<div v-if="typeof message.isNotice == 'undefined'">
<div class='name'>[[ message.name ]]</div>
<div class="img-container">
<img v-bind:src=" message.img ">
</div>
<div class="caption" v-if="message.caption != 'None'">[[ message.caption ]]</div>
</div>
<div v-else>
<span>[[ message.name ]]</span> has joined the chat!
</div>
</div>`
})
/*
Define vue.js directive for swipe gesture (using hammer.js for detection)
*/
Vue.directive("swipe", {
bind: function(el, binding) {
if (typeof binding.value === "function") {
const mc = new Hammer(el);
mc.get("swipe").set({ direction: Hammer.DIRECTION_VERTICAL });
mc.on("swipe", binding.value);
}
}
});
/*
Function to handle animations for swipe gesture
*/
function animateOverlay(finalTop, dist = 0)
{
finalTop == 0.9 ? $('#messages-container').css('height', '90%') : {}
$('#bottom-overlay').animate(
{top : ($(document.body).height()*finalTop + dist)},
{duration: 150, complete: ()=>{
$('#bottom-overlay').animate(
{top : finalTop*100 + '%'},
{duration: 50, complete: ()=>{
finalTop == 0.5 ? $('#messages-container').css('height', '50%') : {}
finalTop == 0.5 ? $('#toolbar').css('bottom', '5%') : $('#toolbar').css('bottom', '-5%')
$('#tab-line-c').animate(
{padding : finalTop == 0.5 ? '5%' :
($(document.body).height()-$('#bottom-overlay').position().top)/2},
250
)
}})
}
})
finalTop == 0.5 ?$('#messages-container').animate({scrollTop : $('#messages-container').scrollTop()+ $('#bottom-overlay').height()}, 250):{}
}
/*
Handler for pen button, animates in/out pen overlay for changing pen settings
*/
function togglePenSettings() {
if (!appV.penSettings)
$('#canvas-container').animate({opacity : 0},
{duration: 100, complete : ()=>{
$('#canvas-container').css('display', 'none')
$('#bottom-overlay').css('background-color', '#2d2d2d')
$('#pen-settings').css('display', 'block')
setTimeout(()=>{
$('#pen-settings').css('opacity', '1')
}, 100)
}
})
else
{
$('#pen-settings').css('opacity', '0')
setTimeout(()=>{
$('#pen-settings').css('display', 'none')
$('#bottom-overlay').css('background-color', 'white')
$('#canvas-container').css('display', 'block')
$('#canvas-container').animate({opacity : 1}, 100)
}, 100)
}
appV.penSettings= !appV.penSettings
}
/*
Handler for send animation
*/
function sendAnimation ()
{
if (blank)
return
$('#send').css('color', 'black');
$('#send').animate({height: '110%'}, {duration : 250, complete : ()=>{
setTimeout(()=>{
clearCanvas()
$('#send').animate({height: '20%'}, {duration : 250, complete : ()=>{
$('#send').html('Sent!')
}});
$('#send').css('color', 'white');
setTimeout(()=>{
$('#send').html('Send')
}, 1000)
}, 1000)
}
})
}
/*
This handler effectively acts as the JS entry point in the document like "main()"
*/
document.addEventListener('DOMContentLoaded', e=>{
//Define instance of vue.js framework to build off of
appV = new Vue({
el: '#app',
delimiters : ['[[', ']]'],
data: { //reactive / important data defined here
chatID : null,
username : null,
token : null,
connected : true,
messages: chatMessages,
bottom_overlay_top: 0.5,
penSettings: false,
eraser: false,
caption: false,
scrolling: false
},
mounted() {
/*
This mounted function is called once the vue rendering has completed,
and sets up the reactive scrolling behaviour
*/
$('#messages-container').scroll((e) => {this.scrolling = true})
setInterval(() => {
if (this.scrolling)
{
console.log('scrolling')
var newMsgs
if ($("#messages-container").scrollTop() < 1000)
{
console.log('[CASE A]')
var prevST, prevSH, newSH, prevOffset
prevST = $("#messages-container").scrollTop()
prevSH = $("#messages-container").prop('scrollHeight')
prevOffset = appV.messages.length
fetchMessages(appV.messages.length, 10)
if (appV.messages.length > prevOffset){
newSH = $("#messages-container").prop('scrollHeight')
$("#messages-container").scrollTop((newSH-prevSH)+ prevST)
console.log('PSH:' + prevSH + " NSH:" + newSH + " PST:" + prevST)
console.log('projected:' + ((newSH-prevSH)+ prevST))
}
}
// if ($("#messages-container").scrollTop() < 100 && newMsgs)
// $("#messages-container").scrollTop(200)
}
this.scrolling = false;
}, 200)
},
methods: {
/*
Preamble to animateOverlay function,
determines which direction it should be animated in.
*/
overlaySwipe(event) {
if (!event.isFinal) return
if (event.direction == 16)
bottom_overlay_top = 0.9
else
bottom_overlay_top = 0.5
var dist = (event.direction == 16? 1 : -1)*Math.abs(event.velocityY) *5
animateOverlay(bottom_overlay_top, dist)
},
toggleCaption(event) {
this.caption= !this.caption
}
}
})
//get token and username from either cookies or app memory
appV.token = getToken()
if (appV.token != null)
{
appV.username = $cookies.get('username')
console.log('hh')
testToken() //test token if found in cache to make sure it's still valid
}
joinChat() //join chat room
animateOverlay(0.9)
});
</script>
<body>
<div id="app">
<div id="messages-container">
<message-li
v-for="message in messages"
v-bind:message="message"
v-bind:key="message.id">
</message-li>
<div class="chat-notice warning" v-if="connected == false">
Lost connection to server.<br>
<span style="font-size: .4em;">
It is possible that the server has gone down temporarily, and will require you to log back in when it starts back up. Sorry!
</span>
</div>
</div>
<div id="toolbar" >
<div class="toolbar-button" v-bind:class="{checked : penSettings}" onclick="togglePenSettings()">Pen</div>
<div class="toolbar-button" v-bind:class="{checked : eraser}" onclick="toggleEraser()">Erase</div>
<div class="toolbar-button" v-bind:class="{checked : caption}" onclick="appV.caption= !appV.caption">Caption</div>
<div class="toolbar-button" onclick="copyMessage()">Copy</div>
<div class="toolbar-button" onclick="clearCanvas()">Clear</div>
</div>
<div id="bottom-overlay" >
<div id="tab-line-c" v-swipe="overlaySwipe" style="position: absolute;width: 100%;height: 3%;padding: 5%;box-sizing: border-box;">
<div class="tab-line"></div>
</div>
<div style="-webkit-touch-callout: none;
-webkit-user-select: none;
-khtml-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;width: 100%; height: 80%;" id="canvas-container">
<canvas width="100%" height="100%" style="height: 100%; width: 100%;"></canvas>
</div>
<div id="pen-settings">
<span style="color: white;text-align: center;">Pen Size<br></span>
<input type="range" min="5" max="60" value="15" class="slider" id="penSize">
<span style="color: white;text-align: center;" id='penColorText'><br>Pen Color<br></span>
<span style=" font-size: 2vh;color: rgb(255, 131, 131);">Red<br></span>
<input type="range" min="0" max="255" value="0" class="slider" id="penRed">
<span style="font-size: 2vh;color: rgb(160, 255, 131);">Green<br></span>
<input type="range" min="0" max="255" value="0" class="slider" id="penGreen">
<span style="font-size: 2vh;color: rgb(131, 181, 255);">Blue<br></span>
<input type="range" min="0" max="255" value="0" class="slider" id="penBlue">
</div>
<div class="bottom-button" id="send" onclick="send();sendAnimation()">Send</div>
<div id="caption-container" v-bind:class="{active : caption}">
<input id="caption-input" placeholder="Caption" type="text">
</div>
</div>
</body>
</html>