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<!-- This Source Code Form is subject to the terms of the Mozilla Public
- License, v. 2.0. If a copy of the MPL was not distributed with this
- file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
<html>
<head>
<script src="resource://sdk/dev/volcan.js"></script>
<script src="./task.js"></script>
</head>
<body>
</body>
<script>
const wait = (target, type, capture) => new Promise((resolve, reject) => {
const listener = event => {
target.removeEventListener(type, listener, capture);
resolve(event);
};
target.addEventListener(type, listener, capture);
});
const display = message =>
document.body.innerHTML += message + "<br/>";
Task.spawn(function*() {
var event = yield wait(window, "message");
var port = event.ports[0];
display("Port received");
var root = yield volcan.connect(port);
display("Connected to a debugger");
var message = yield root.echo("hello")
display("Received echo for: " + message);
var list = yield root.listTabs();
display("You have " + list.tabs.length + " open tabs");
var activeTab = list.tabs[list.selected];
display("Your active tab url is: " + activeTab.url);
var sheets = yield activeTab.styleSheetsActor.getStyleSheets();
display("Page in active tab has " + sheets.length + " stylesheets");
});
</script>
</html>
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