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
|
/*
* Copyright 2015 Canonical Ltd.
*
* This file is part of webbrowser-app.
*
* webbrowser-app is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 3.
*
* webbrowser-app is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import QtQuick 2.4
import com.canonical.Oxide 1.8 as Oxide
Item {
id: monitor
visible: false
property var webview: null
readonly property bool killed: webview &&
(webview.webProcessStatus == Oxide.WebView.WebProcessKilled)
readonly property bool crashed: webview &&
(webview.webProcessStatus == Oxide.WebView.WebProcessCrashed)
// When the renderer process is killed (most likely by the system’s
// OOM killer), try to reload the page once, and if this results in
// the process being killed again within one minute, then display
// the sad tab.
readonly property int killedRetries: internal.killedRetries
QtObject {
id: internal
property int killedRetries: 0
}
Connections {
target: webview
onWebProcessStatusChanged: {
if (webview.webProcessStatus == Oxide.WebView.WebProcessKilled) {
if (internal.killedRetries == 0) {
// Do not attempt reloading right away, this would result in a crash
delayedReload.restart()
}
}
}
}
Timer {
id: delayedReload
interval: 100
onTriggered: {
monitorTimer.restart()
monitor.webview.reload()
internal.killedRetries++
}
}
Timer {
id: monitorTimer
interval: 60000 // 1 minute
onTriggered: internal.killedRetries = 0
}
onWebviewChanged: {
internal.killedRetries = 0
delayedReload.stop()
monitorTimer.stop()
}
}
|