blob: c2355a684be97a50893894ee84f9b0a0ccd2839f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
<html>
<div id="button" class="toolstrip-button">
<img id="icon" src="icon_disabled.png"><span>Subscribe</span>
</div>
<script>
var icon = document.getElementById("icon");
var button = document.getElementById("button");
var enabled = false;
var feedUrl, req;
button.onclick = handleClick;
chrome.self.onConnect.addListener(function(port) {
port.onMessage.addListener(function(feedUrls) {
// TODO(aa): When we have the ability to display drop downs, we should let
// the user pick which feed to subscribe. Right now, we just pick the
// first.
feedUrl = feedUrls[0];
if (!feedUrl) {
icon.src = "icon_disabled.png";
enabled = false;
} else {
icon.src = "icon.png";
enabled = true;
feedUrl = encodeURIComponent(feedUrl);
req = new XMLHttpRequest();
req.onload = handleResponse;
req.open("GET",
"http://www.google.com/reader/api/0/subscribed?s=feed%2F" + feedUrl,
false);
req.send(null);
}
});
});
function handleResponse() {
if (req.responseText == "true") {
icon.src = "icon_subscribed.png";
enabled = false;
}
}
function handleClick() {
if (enabled) {
var url = "http://www.google.com/reader/view/feed/" + feedUrl;
chrome.tabs.create({url: url});
}
}
</script>
</html>
|
