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content.js
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chrome.runtime.onMessage.addListener(function(request) {
//todo kaan: will be placed at a better place!
if(window.location.hostname !== 'github.com'){
alert("You must be at page where days grid is!!\n ex: github.com/kaan2463");
return;
}
if(request.action === 'display') {
display(request.message);
}else if(request.action === 'clear'){
clear();
}
});
var charSet="ABCDEFGHIJKLMNOPQRSTUVWXYZ";
var timeInt;
function display(msg){
var days=document.querySelectorAll('td.ContributionCalendar-day');
if(days.length < 360){
alert("You must be at page where days grid is!!\n ex: github.com/kaan2463");
return;
}
clear();
var msg_str=""+msg;
var LETTER_W=5;
var LETTER_H=7;
var LETTER_SPACE=1;
var TEXT_SPACE=8;
var shift=0;
var index=0;
var FREQUENCY=msg_str.length*(LETTER_W+LETTER_SPACE);
var msg_length = FREQUENCY + TEXT_SPACE;
timeInt = setInterval(function(){
if(shift == msg_length){
shift = 0;
}
for(var i=0;i<days.length;i++){
days[i].setAttribute("data-level",0);
}
for(var i=1 ;i<52;i++){
index = (shift+i) % msg_length;
if(index+1>FREQUENCY){
continue;
}
//space character
if(msg_str.charAt(index/(LETTER_W+LETTER_SPACE))==" "){
for(var j=0;j<LETTER_H;j++){
document.getElementById('contribution-day-component-'+j+'-'+i).setAttribute("data-level",0);
//days[i*7+j].setAttribute("data-level",0);
}
continue;
}
//UNKNOWN CHAR
if(!charSet.includes(msg_str.charAt(index/(LETTER_W+LETTER_SPACE)))){
for(var j=0;j<LETTER_H;j++){
if(this["letter_UKNOWN"][j][index%(LETTER_W+LETTER_SPACE)]){
document.getElementById('contribution-day-component-'+j+'-'+i).setAttribute("data-level",3);
}
}
continue;
}
for(var j=0;j<LETTER_H;j++){
if(this["letter_"+msg_str.charAt(index/(LETTER_W+LETTER_SPACE))][j][index%(LETTER_W+LETTER_SPACE)]){
document.getElementById('contribution-day-component-'+j+'-'+i).setAttribute("data-level",3);
}
}
}
shift++;
},200);
}
function clear(){
if(timeInt != undefined){
clearInterval(timeInt);
}
var days=document.querySelectorAll('td.ContributionCalendar-day');
for(var i=0;i<365;i++){
days[i].setAttribute("data-level",0);
}
}
var letter_UKNOWN =[
[1,1,1,1,1],
[1,0,1,0,1],
[1,1,1,0,1],
[1,0,1,0,1],
[1,0,1,1,1],
[1,0,1,0,1],
[1,1,1,1,1]
];
var letter_A =[
[0,0,0,0,0],
[0,0,1,0,0],
[0,1,0,1,0],
[1,0,0,0,1],
[1,1,1,1,1],
[1,0,0,0,1],
[1,0,0,0,1]
];
var letter_B =[
[0,0,0,0,0],
[1,1,1,1,0],
[1,0,0,0,1],
[1,1,1,1,0],
[1,0,0,0,1],
[1,0,0,0,1],
[1,1,1,1,0]
];
var letter_C =[
[0,0,0,0,0],
[0,1,1,1,1],
[1,1,0,0,0],
[1,0,0,0,0],
[1,0,0,0,0],
[1,0,0,0,0],
[0,1,1,1,1]
];
var letter_D =[
[0,0,0,0,0],
[1,1,1,1,0],
[1,0,0,1,1],
[1,0,0,0,1],
[1,0,0,0,1],
[1,0,0,1,1],
[1,1,1,1,0]
];
var letter_E =[
[0,0,0,0,0],
[1,1,1,1,1],
[1,0,0,0,0],
[1,1,1,1,1],
[1,0,0,0,0],
[1,0,0,0,0],
[1,1,1,1,1]
];
var letter_F =[
[0,0,0,0,0],
[1,1,1,1,1],
[1,0,0,0,0],
[1,1,1,1,1],
[1,0,0,0,0],
[1,0,0,0,0],
[1,0,0,0,0]
];
var letter_G =[
[0,0,0,0,0],
[0,1,1,1,0],
[1,0,0,0,1],
[1,0,0,0,0],
[1,0,1,1,0],
[1,0,0,0,1],
[0,1,1,1,0]
];
var letter_H =[
[0,0,0,0,0],
[1,0,0,0,1],
[1,0,0,0,1],
[1,1,1,1,1],
[1,0,0,0,1],
[1,0,0,0,1],
[1,0,0,0,1]
];
var letter_I =[
[0,0,0,0,0],
[1,1,1,1,1],
[0,0,1,0,0],
[0,0,1,0,0],
[0,0,1,0,0],
[0,0,1,0,0],
[1,1,1,1,1]
];
var letter_J =[
[0,0,0,0,0],
[0,0,1,1,1],
[0,0,0,1,0],
[0,0,0,1,0],
[0,0,0,1,0],
[1,0,0,1,0],
[0,1,1,0,0]
];
var letter_K =[
[0,0,0,0,0],
[1,0,0,0,1],
[1,0,0,1,0],
[1,1,1,0,0],
[1,0,1,0,0],
[1,0,0,1,0],
[1,0,0,0,1]
];
var letter_L =[
[0,0,0,0,0],
[1,0,0,0,0],
[1,0,0,0,0],
[1,0,0,0,0],
[1,0,0,0,0],
[1,0,0,0,0],
[1,1,1,1,1]
];
var letter_M =[
[0,0,0,0,0],
[1,0,0,0,1],
[1,1,0,1,1],
[1,0,1,0,1],
[1,0,0,0,1],
[1,0,0,0,1],
[1,0,0,0,1]
];
var letter_N =[
[0,0,0,0,0],
[1,0,0,0,1],
[1,1,0,0,1],
[1,0,1,0,1],
[1,0,1,0,1],
[1,0,0,1,1],
[1,0,0,0,1]
];
var letter_O =[
[0,0,0,0,0],
[0,1,1,1,0],
[1,0,0,0,1],
[1,0,0,0,1],
[1,0,0,0,1],
[1,0,0,0,1],
[0,1,1,1,0]
];
var letter_P =[
[0,0,0,0,0],
[1,1,1,1,0],
[1,0,0,0,1],
[1,0,0,1,0],
[1,1,1,0,0],
[1,0,0,0,0],
[1,0,0,0,0]
];
var letter_Q =[
[0,0,0,0,0],
[0,1,1,1,0],
[1,0,0,0,1],
[1,0,0,0,1],
[1,0,1,0,1],
[1,0,0,1,1],
[0,1,1,1,1]
];
var letter_R =[
[0,0,0,0,0],
[1,1,1,1,0],
[1,0,0,0,1],
[1,1,0,1,0],
[1,1,1,0,0],
[1,0,1,1,0],
[1,0,0,0,1]
];
var letter_S =[
[0,0,0,0,0],
[0,1,1,1,0],
[1,0,0,0,1],
[0,1,1,0,0],
[0,0,0,1,0],
[1,0,0,0,1],
[0,1,1,1,0]
];
var letter_T =[
[0,0,0,0,0],
[1,1,1,1,1],
[0,0,1,0,0],
[0,0,1,0,0],
[0,0,1,0,0],
[0,0,1,0,0],
[0,0,1,0,0]
];
var letter_U =[
[0,0,0,0,0],
[1,0,0,0,1],
[1,0,0,0,1],
[1,0,0,0,1],
[1,0,0,0,1],
[1,0,0,0,1],
[0,1,1,1,0]
];
var letter_V =[
[0,0,0,0,0],
[1,0,0,0,1],
[1,0,0,0,1],
[0,1,0,1,0],
[0,1,0,1,0],
[0,1,0,1,0],
[0,0,1,0,0]
];
var letter_W =[
[0,0,0,0,0],
[1,0,0,0,1],
[1,0,0,0,1],
[1,0,0,0,1],
[1,0,1,0,1],
[1,0,1,0,1],
[0,1,0,1,0]
];
var letter_X =[
[0,0,0,0,0],
[1,0,0,0,1],
[0,1,0,1,0],
[0,0,1,0,0],
[0,0,1,0,0],
[0,1,0,1,0],
[1,0,0,0,1]
];
var letter_Y =[
[0,0,0,0,0],
[1,0,0,0,1],
[0,1,0,1,0],
[0,0,1,0,0],
[0,0,1,0,0],
[0,0,1,0,0],
[0,0,1,0,0]
];
var letter_Z =[
[0,0,0,0,0],
[1,1,1,1,1],
[0,0,0,1,0],
[0,0,1,0,0],
[0,0,1,0,0],
[0,1,0,0,0],
[1,1,1,1,1]
];