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General improvements and fixes

master
Gregory Eremin 9 years ago
parent
commit
bf5ded7569
  1. 53
      background.js

53
background.js

@ -1,4 +1,6 @@ @@ -1,4 +1,6 @@
(function() {
log('Loaded');
var SHOW_TIMEOUT = 1000,
LOAD_TIMEOUT = SHOW_TIMEOUT / 4,
STORAGE = {};
@ -21,9 +23,8 @@ @@ -21,9 +23,8 @@
var el = links[i];
el.addEventListener('mouseover', function(e) {
log('The mouse is OVER!');
if (STORAGE[i].result === undefined) {
log('Loading page in '+ LOAD_TIMEOUT +'ms');
STORAGE[i].load_timeout = after(LOAD_TIMEOUT, function() {
STORAGE[i].xhr = loadPageInfo(el.href, function(res) {
log('Result loaded:', res);
@ -36,6 +37,8 @@ @@ -36,6 +37,8 @@
}
});
});
} else {
log('Page already loaded');
}
STORAGE[i].show_timeout = after(SHOW_TIMEOUT, function() {
@ -46,9 +49,9 @@ @@ -46,9 +49,9 @@
});
});
el.addEventListener('mouseout', function(e) {
var abort = function(e) {
log('Aborting');
hideTooltip();
log('The mouse is OUT!');
if (STORAGE[i].xhr !== undefined) {
var state = STORAGE[i].xhr.readyState,
@ -59,9 +62,17 @@ @@ -59,9 +62,17 @@
log('XHR aborted!');
}
}
window.clearTimeout(STORAGE[i].load_timeout);
window.clearTimeout(STORAGE[i].show_timeout);
});
delete STORAGE[i].xhr;
delete STORAGE[i].e;
delete STORAGE[i].load_timeout;
delete STORAGE[i].show_timeout;
}
el.addEventListener('mouseout', abort);
el.addEventListener('click', abort);
el.addEventListener('mousemove', function(e) {
STORAGE[i].e = e;
@ -70,43 +81,43 @@ @@ -70,43 +81,43 @@
}
function showTooltip(el, info, e) {
var tt = document.getElementById('whats-there-tooltip');
if (tt !== null) {
// Don't show a tooltip if there's one already
var t = document.getElementById('whats-there-tooltip');
if (t !== null) {
log('Not showing tooltip, there is one already');
return;
}
if (info.title === undefined && info.description === undefined) {
// Don't show a tooltip if there's no title nor descriptions for the page
log('Not showing tooltip, missing both title and description attributes');
return;
}
var tt = document.createElement('div'),
var t = document.createElement('div'),
body = document.getElementsByTagName('body')[0],
bounds = el.getBoundingClientRect();
tt.setAttribute('class', 'whats-there-tooltip');
tt.setAttribute('id', 'whats-there-tooltip');
t.setAttribute('class', 'whats-there-tooltip');
t.setAttribute('id', 'whats-there-tooltip');
if (info.image_url !== undefined) {
var div = document.createElement('div');
div.setAttribute('class', 'whats-there-img');
div.style.backgroundImage = 'url(' + info.image_url + ')';
tt.appendChild(div);
t.appendChild(div);
}
if (info.title !== undefined) {
var div = document.createElement('div');
div.setAttribute('class', 'whats-there-title');
div.innerText = info.title;
tt.appendChild(div);
t.appendChild(div);
}
if (info.description !== undefined) {
var div = document.createElement('div');
div.setAttribute('class', 'whats-there-description');
div.innerText = info.description;
tt.appendChild(div);
t.appendChild(div);
}
var site_name;
@ -118,16 +129,16 @@ @@ -118,16 +129,16 @@
var div = document.createElement('div');
div.setAttribute('class', 'whats-there-site');
div.innerText = site_name;
tt.appendChild(div);
t.appendChild(div);
body.appendChild(tt);
body.appendChild(t);
moveTooltip(e);
}
function hideTooltip() {
var tt = document.getElementById('whats-there-tooltip');
if (tt !== null) {
tt.parentNode.removeChild(tt);
var t = document.getElementById('whats-there-tooltip');
if (t !== null) {
t.parentNode.removeChild(t);
}
}
@ -193,7 +204,7 @@ @@ -193,7 +204,7 @@
var ct = this.getResponseHeader('Content-Type');
// Aborting page load if it's not HTML
if (ct === null || ct.indexOf('text/html') != 0) {
if (ct === null || ct.indexOf('text/html') !== 0) {
this.abort();
}
} else if (this.readyState === this.DONE && this.status === 200) {

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