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
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
var windowState = {
windows: [
{
tabs: [
{
entries: [
{ url: "http://example.com#1", triggeringPrincipal_base64 },
],
},
{
entries: [
{ url: "http://example.com#2", triggeringPrincipal_base64 },
],
},
{
entries: [
{ url: "http://example.com#3", triggeringPrincipal_base64 },
],
},
{
entries: [
{ url: "http://example.com#4", triggeringPrincipal_base64 },
],
},
{
entries: [
{ url: "http://example.com#5", triggeringPrincipal_base64 },
],
hidden: true,
},
{
entries: [
{ url: "http://example.com#6", triggeringPrincipal_base64 },
],
hidden: true,
},
{
entries: [
{ url: "http://example.com#7", triggeringPrincipal_base64 },
],
hidden: true,
},
{
entries: [
{ url: "http://example.com#8", triggeringPrincipal_base64 },
],
hidden: true,
},
],
},
],
};
function test() {
waitForExplicitFinish();
requestLongerTimeout(2);
registerCleanupFunction(function() {
Services.prefs.clearUserPref("browser.sessionstore.restore_hidden_tabs");
});
// First stage: restoreHiddenTabs = true
// Second stage: restoreHiddenTabs = false
test_loadTabs(true, function() {
test_loadTabs(false, finish);
});
}
function test_loadTabs(restoreHiddenTabs, callback) {
Services.prefs.setBoolPref(
"browser.sessionstore.restore_hidden_tabs",
restoreHiddenTabs
);
let expectedTabs = restoreHiddenTabs ? 8 : 4;
let firstProgress = true;
newWindowWithState(windowState, function(win, needsRestore, isRestoring) {
if (firstProgress) {
firstProgress = false;
is(isRestoring, 3, "restoring 3 tabs concurrently");
} else {
ok(isRestoring < 4, "restoring max. 3 tabs concurrently");
}
// We're explicity checking for (isRestoring == 1) here because the test
// progress listener is called before the session store one. So when we're
// called with one tab left to restore we know that the last tab has
// finished restoring and will soon be handled by the SS listener.
let tabsNeedingRestore = win.gBrowser.tabs.length - needsRestore;
if (isRestoring == 1 && tabsNeedingRestore == expectedTabs) {
is(win.gBrowser.visibleTabs.length, 4, "only 4 visible tabs");
TabsProgressListener.uninit();
executeSoon(callback);
}
});
}
var TabsProgressListener = {
init(win) {
this.window = win;
Services.obs.addObserver(this, "sessionstore-debug-tab-restored");
},
uninit() {
Services.obs.removeObserver(this, "sessionstore-debug-tab-restored");
delete this.window;
delete this.callback;
},
setCallback(callback) {
this.callback = callback;
},
observe(browser) {
TabsProgressListener.onRestored(browser);
},
onRestored(browser) {
if (
this.callback &&
ss.getInternalObjectState(browser) == TAB_STATE_RESTORING
) {
this.callback.apply(null, [this.window].concat(this.countTabs()));
}
},
countTabs() {
let needsRestore = 0,
isRestoring = 0;
for (let i = 0; i < this.window.gBrowser.tabs.length; i++) {
let state = ss.getInternalObjectState(
this.window.gBrowser.tabs[i].linkedBrowser
);
if (state == TAB_STATE_RESTORING) {
isRestoring++;
} else if (state == TAB_STATE_NEEDS_RESTORE) {
needsRestore++;
}
}
return [needsRestore, isRestoring];
},
};
// ----------
function newWindowWithState(state, callback) {
let opts = "chrome,all,dialog=no,height=800,width=800";
let win = window.openDialog(AppConstants.BROWSER_CHROME_URL, "_blank", opts);
registerCleanupFunction(() => BrowserTestUtils.closeWindow(win));
whenWindowLoaded(win, function onWindowLoaded(aWin) {
TabsProgressListener.init(aWin);
TabsProgressListener.setCallback(callback);
ss.setWindowState(aWin, JSON.stringify(state), true);
});
}
|
