Lomiri
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InactivityTimer.qml
1/*
2 * Copyright (C) 2015-2016 Canonical Ltd.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 3.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
16
17import QtQuick 2.12
18import Lomiri.Components 1.3
19
20Item {
21 id: root
22
23 readonly property bool running: delayTimer.running || inactivityTimer.running
24 property int interval: 3000
25 property var page
26 property int lastInputTimestamp
27
28 function start() {
29 if (!delayTimer.running && !inactivityTimer.running) {
30 delayTimer.start();
31 }
32 }
33
34 ////
35
36 onLastInputTimestampChanged: {
37 if (inactivityTimer.running) {
38 inactivityTimer.restart();
39 }
40 }
41
42 Connections {
43 target: page
44 onIsReadyChanged: {
45 if (page.isReady && inactivityTimer.running) {
46 inactivityTimer.restart();
47 }
48 }
49 onPausedChanged: {
50 if (root.paused) {
51 delayTimer.stop();
52 inactivityTimer.stop();
53 }
54 }
55 }
56
57 Timer {
58 id: delayTimer
59 interval: Math.max(root.interval - 3000, 0)
60 onTriggered: inactivityTimer.start()
61 }
62
63 Timer {
64 id: inactivityTimer
65
66 interval: Math.min(root.interval, 3000)
67
68 onTriggered: {
69 if (page.isReady) {
70 if (!page.shown) {
71 page.show();
72 }
73 } else if (!page.skipped) {
74 restart();
75 }
76 }
77 }
78}