/
end.js
205 lines (177 loc) · 6.87 KB
/
end.js
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function getRandomInt(min, max) {
return Math.floor(Math.random() * (max - min + 1)) + min;
}
var cached_link_lists = []
var cached_mark = "*"
var history_initialized = false
var incentive_messages = [
'You used <b>Wikipedia P2P</b> to load this page and saved bandwidth/money to the Wikipedia Foundation.',
'You used <b>Wikipedia P2P</b> to load this page.',
'Thanks for using <b>Wikipedia P2P</b> and help to reduce Wikipedia\'s yearly costs.',
'By using <b>Wikipedia P2P</b> you are helping to Wikipedia\'s mission.',
'<b>[Wikipedia P2P]</b>'
]
var is_wikipediap2p_active = true
var update_links_colors_and_clicks = function(){
console.log('<update_links_colors_and_clicks>', cached_link_lists)
var all_links = document.getElementsByTagName('a')
for(var i = 0 ; i < all_links.length ; i++ ){
var each_url = all_links[i].href.split("#")[0]
if(cached_link_lists
&& cached_link_lists[each_url]
&& cached_link_lists[each_url].url.indexOf(window.location.href) === -1 && is_wikipediap2p_active){
var link_to_page = all_links[i]
if(all_links[i].searching_cache){
console.log('>>> clearing lnk:', all_links[i])
}
if(cached_link_lists[each_url].status){
link_to_page.style.color = 'orange'
} else {
link_to_page.style.color = 'green'
link_to_page.cache_done = true
link_to_page.onclick = function(event){
if(is_wikipediap2p_active){
event.preventDefault();
if(!history_initialized){
window.history.pushState({page: document.documentElement.innerHTML, title: document.title},"", window.location.href);
}
console.log(cached_link_lists)
document.documentElement.innerHTML = cached_link_lists[event.target.href].page
document.title = cached_mark+' '+cached_link_lists[event.target.href].title
var date = new Date(cached_link_lists[event.target.href].date)
document.getElementById('p-personal').innerHTML = incentive_messages[getRandomInt(0, incentive_messages.length-1)]
document.getElementById('p-personal').style.color = 'grey' // orange
document.getElementById('p-personal').style.fontSize = '12px'
activate_links()
window.history.pushState({page: cached_link_lists[event.target.href].page, title: cached_link_lists[event.target.href].title},"", cached_link_lists[event.target.href].url);
}
}
}
} else {
if(all_links[i].searching_cache){
all_links[i].style.color = ''
all_links[i].searching_cache = undefined
console.log('>>> clearing lnk:', all_links[i])
}
// all_links[i].style.color = ''
// all_links[i].onmouseover = function(e){
// if(!e.target.searching_cache && !e.target.cache_done && is_wikipediap2p_active){
// // e.target.prev_color = e.target.style.color
// // e.target.style.color = '#20b4c5'
// e.target.wait_timeout = setTimeout(function(){
// e.target.searching_cache = true
// chrome.runtime.sendMessage(
// {
// originating_url: window.location.href,
// href: e.target.href,
// }//,
// // function(response){
// // is_wikipediap2p_active = response.status
// // cached_link_lists = response.caches
// // update_links_colors_and_clicks()
// // activate_links()
// // }
// );
// }, 100)
// }
// }
}
}
}
var is_extension_active = function(cb){
console.log('<is_extension_active>')
chrome.runtime.sendMessage(
{
ask_if_active: true,
}, function(response){
console.log('got response: ', response)
is_wikipediap2p_active = response.active
cb()
})
}
var activate_links = function(){
console.log('<activate_links>')
// is_extension_active(function(){
console.log('checking all links and updating their colors...')
var lks = document.getElementsByTagName('a')
for(i = 0; i < lks.length; i++){
// if(lks[i].href.indexOf(document.domain) > -1){
lks[i].onmouseover = function(e){
if(!e.target.searching_cache && !e.target.cache_done && is_wikipediap2p_active){
// e.target.prev_color = e.target.style.color
// e.target.style.color = '#20b4c5'
e.target.wait_timeout = setTimeout(function(){
e.target.searching_cache = true
chrome.runtime.sendMessage(
{
originating_url: window.location.href,
href: e.target.href,
}//,
// function(response){
// is_wikipediap2p_active = response.status
// cached_link_lists = response.caches
// update_links_colors_and_clicks()
// activate_links()
// }
);
}, 100)
}
}
lks[i].onmouseout = function(e){
if(!e.target.searching_cache && is_wikipediap2p_active){
clearTimeout(e.target.wait_timeout)
// e.target.style.color = e.target.prev_color
}
}
// }
}
// })
}
if(document.domain.toLowerCase().indexOf('wikipedia') > -1){
var links = document.getElementsByTagName('link')
var pageCssCache = ""
for(i = 0; i < links.length; i++){
if(links[i].rel.indexOf('stylesheet') > -1){
cssRules = links[i].sheet.cssRules
for(r = 0; r < cssRules.length ; r++){
pageCssCache = pageCssCache + cssRules[r].cssText
}
}
}
var styles = document.getElementsByTagName('style')
for(i = 0; i < styles.length; i++){
cssRules = styles[i].innerHTML
pageCssCache = pageCssCache + cssRules
}
chrome.runtime.sendMessage(
{
location_href: window.location.href,
content: document.documentElement.innerHTML,
title: document.title,
css: pageCssCache,
command: 'page_loaded',
}, function(respose){
is_wikipediap2p_active = respose.status
cached_link_lists = respose.caches
if(is_wikipediap2p_active){
activate_links()
}
// update_links_colors_and_clicks()
// activate_links()
});
chrome.runtime.onMessage.addListener(
function(request, sender, sendResponse) {
console.log('<end:onMessage.listener>', request)
is_wikipediap2p_active = request.status
cached_link_lists = request.caches
// activate_links()
update_links_colors_and_clicks()
activate_links()
});
window.onpopstate = function(to) {
document.documentElement.innerHTML = to.state.page
document.title = to.state.title
activate_links()
update_links_colors_and_clicks()
}
}