Lomiri
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StagedFullscreenPolicy.qml
1/*
2 * Copyright (C) 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 QtMir.Application 0.1
19
20// This component will change the state of the surface based on the surface
21// state and shell chrome.
22//
23// Chrome changed to LowChrome -> server sets client window state to "fullscreen"
24// Chrome changed to NormalChrome -> server sets client window to "restored" state.
25// Chrome set and state change to restored -> server RESETS client window state to "fullscreen"
26// Chrome not set and state change to restored -> client window stays "restored"
27// Chrome not set and state change to fulscreen -> client window stays "fullscreen"
28QtObject {
29 property bool active: true
30
31 function applyPolicy(surfaceState, surfaceChrome) {
32 if (surfaceChrome === Mir.LowChrome) {
33 return Mir.FullscreenState;
34 }
35 return surfaceState;
36 }
37
38 property var surface: null
39 property var _connections: Connections {
40 target: surface
41 onShellChromeChanged: {
42 if (!active || !surface) return;
43 if (surface.shellChrome === Mir.LowChrome) {
44 surface.requestState(Mir.FullscreenState);
45 } else {
46 surface.requestState(Mir.RestoredState);
47 }
48 }
49 }
50}