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
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
/* -*- 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/ */
"use strict";
var TEST_URI = "data:text/html;charset=utf-8,Web Console test for " +
"bug 613642: remember scroll location";
add_task(function* () {
yield loadTab(TEST_URI);
let hud = yield openConsole();
hud.jsterm.clearOutput();
let outputNode = hud.outputNode;
let scrollBox = hud.ui.outputWrapper;
for (let i = 0; i < 150; i++) {
ContentTask.spawn(gBrowser.selectedBrowser, i, function* (num) {
content.console.log("test message " + num);
});
}
yield waitForMessages({
webconsole: hud,
messages: [{
text: "test message 149",
category: CATEGORY_WEBDEV,
severity: SEVERITY_LOG,
}],
});
ok(scrollBox.scrollTop > 0, "scroll location is not at the top");
// scroll to the first node
outputNode.focus();
let scrolled = promise.defer();
scrollBox.onscroll = () => {
info("onscroll top " + scrollBox.scrollTop);
if (scrollBox.scrollTop != 0) {
// Wait for scroll to 0.
return;
}
scrollBox.onscroll = null;
is(scrollBox.scrollTop, 0, "scroll location updated (moved to top)");
scrolled.resolve();
};
EventUtils.synthesizeKey("VK_HOME", {}, hud.iframeWindow);
yield scrolled.promise;
// add a message and make sure scroll doesn't change
ContentTask.spawn(gBrowser.selectedBrowser, null,
"() => content.console.log('test message 150')");
yield waitForMessages({
webconsole: hud,
messages: [{
text: "test message 150",
category: CATEGORY_WEBDEV,
severity: SEVERITY_LOG,
}],
});
scrolled = promise.defer();
scrollBox.onscroll = () => {
if (scrollBox.scrollTop != 0) {
// Wait for scroll to stabilize at the top.
return;
}
scrollBox.onscroll = null;
is(scrollBox.scrollTop, 0, "scroll location is still at the top");
scrolled.resolve();
};
// Make sure that scroll stabilizes at the top. executeSoon() is needed for
// the yield to work.
executeSoon(scrollBox.onscroll);
yield scrolled.promise;
// scroll back to the bottom
outputNode.lastChild.focus();
scrolled = promise.defer();
scrollBox.onscroll = () => {
if (scrollBox.scrollTop == 0) {
// Wait for scroll to bottom.
return;
}
scrollBox.onscroll = null;
isnot(scrollBox.scrollTop, 0, "scroll location updated (moved to bottom)");
scrolled.resolve();
};
EventUtils.synthesizeKey("VK_END", {});
yield scrolled.promise;
let oldScrollTop = scrollBox.scrollTop;
ContentTask.spawn(gBrowser.selectedBrowser, null,
"() => content.console.log('test message 151')");
scrolled = promise.defer();
scrollBox.onscroll = () => {
if (scrollBox.scrollTop == oldScrollTop) {
// Wait for scroll to change.
return;
}
scrollBox.onscroll = null;
isnot(scrollBox.scrollTop, oldScrollTop,
"scroll location updated (moved to bottom again)");
scrolled.resolve();
};
yield scrolled.promise;
});
|
