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
53
54
55
56
57
58
59
60
|
/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
// Test about:devtools-toolbox?target which allows opening a toolbox in an
// iframe while defining which document to debug by setting a `target`
// attribute refering to the document to debug.
add_task(function *() {
// iframe loads the document to debug
let iframe = document.createElement("browser");
iframe.setAttribute("type", "content");
document.documentElement.appendChild(iframe);
let onLoad = once(iframe, "load", true);
iframe.setAttribute("src", "data:text/html,document to debug");
yield onLoad;
is(iframe.contentWindow.document.body.innerHTML, "document to debug");
// toolbox loads the toolbox document
let toolboxIframe = document.createElement("iframe");
document.documentElement.appendChild(toolboxIframe);
// Important step to define which target to debug
toolboxIframe.target = iframe;
let onToolboxReady = gDevTools.once("toolbox-ready");
onLoad = once(toolboxIframe, "load", true);
toolboxIframe.setAttribute("src", "about:devtools-toolbox?target");
yield onLoad;
// Also wait for toolbox-ready, as toolbox document load isn't enough, there
// is plenty of asynchronous steps during toolbox load
info("Waiting for toolbox-ready");
let toolbox = yield onToolboxReady;
let onToolboxDestroyed = gDevTools.once("toolbox-destroyed");
let onTabActorDetached = once(toolbox.target.client, "tabDetached");
info("Removing the iframes");
toolboxIframe.remove();
// And wait for toolbox-destroyed as toolbox unload is also full of
// asynchronous operation that outlast unload event
info("Waiting for toolbox-destroyed");
yield onToolboxDestroyed;
info("Toolbox destroyed");
// Also wait for tabDetached. Toolbox destroys the Target which calls
// TabActor.detach(). But Target doesn't wait for detach's end to resolve.
// Whereas it is quite important as it is a significant part of toolbox
// cleanup. If we do not wait for it and starts removing debugged document,
// the actor is still considered as being attached and continues processing
// events.
yield onTabActorDetached;
iframe.remove();
});
|