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
|
/*
* ScreenLockFeaturePlugin.cpp - implementation of ScreenLockFeaturePlugin class
*
* Copyright (c) 2017-2019 Tobias Junghans <tobydox@veyon.io>
*
* This file is part of Veyon - http://veyon.io
*
* This program 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; either
* version 2 of the License, or (at your option) any later version.
*
* This program 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 (see COPYING); if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
*/
#include <QCoreApplication>
#include "ScreenLockFeaturePlugin.h"
#include "FeatureWorkerManager.h"
#include "LockWidget.h"
#include "PlatformCoreFunctions.h"
#include "VeyonServerInterface.h"
ScreenLockFeaturePlugin::ScreenLockFeaturePlugin( QObject* parent ) :
QObject( parent ),
m_screenLockFeature( Feature::Mode | Feature::AllComponents,
Feature::Uid( "ccb535a2-1d24-4cc1-a709-8b47d2b2ac79" ),
Feature::Uid(),
tr( "Lock" ), tr( "Unlock" ),
tr( "To reclaim all user's full attention you can lock "
"their computers using this button. "
"In this mode all input devices are locked and "
"the screens are blacked." ),
QStringLiteral(":/screenlock/system-lock-screen.png") ),
m_features( { m_screenLockFeature } ),
m_lockWidget( nullptr )
{
}
ScreenLockFeaturePlugin::~ScreenLockFeaturePlugin()
{
delete m_lockWidget;
}
bool ScreenLockFeaturePlugin::startFeature( VeyonMasterInterface& master, const Feature& feature,
const ComputerControlInterfaceList& computerControlInterfaces )
{
Q_UNUSED(master);
if( feature == m_screenLockFeature )
{
return sendFeatureMessage( FeatureMessage( m_screenLockFeature.uid(), StartLockCommand ),
computerControlInterfaces );
}
return false;
}
bool ScreenLockFeaturePlugin::stopFeature( VeyonMasterInterface& master, const Feature& feature,
const ComputerControlInterfaceList& computerControlInterfaces )
{
Q_UNUSED(master);
if( feature == m_screenLockFeature )
{
return sendFeatureMessage( FeatureMessage( m_screenLockFeature.uid(), StopLockCommand ),
computerControlInterfaces );
}
return false;
}
bool ScreenLockFeaturePlugin::handleFeatureMessage( VeyonMasterInterface& master, const FeatureMessage& message,
ComputerControlInterface::Pointer computerControlInterface )
{
Q_UNUSED(master);
Q_UNUSED(message);
Q_UNUSED(computerControlInterface);
return false;
}
bool ScreenLockFeaturePlugin::handleFeatureMessage( VeyonServerInterface& server, const FeatureMessage& message )
{
if( m_screenLockFeature.uid() == message.featureUid() )
{
if( server.featureWorkerManager().isWorkerRunning( m_screenLockFeature ) == false &&
message.command() != StopLockCommand )
{
server.featureWorkerManager().startWorker( m_screenLockFeature, FeatureWorkerManager::ManagedSystemProcess );
}
// forward message to worker
server.featureWorkerManager().sendMessage( message );
return true;
}
return false;
}
bool ScreenLockFeaturePlugin::handleFeatureMessage( VeyonWorkerInterface& worker, const FeatureMessage& message )
{
Q_UNUSED(worker);
if( m_screenLockFeature.uid() == message.featureUid() )
{
switch( message.command() )
{
case StartLockCommand:
if( m_lockWidget == nullptr )
{
VeyonCore::platform().coreFunctions().disableScreenSaver();
m_lockWidget = new LockWidget( LockWidget::BackgroundPixmap,
QPixmap( QStringLiteral(":/screenlock/locked-screen-background.png" ) ) );
}
return true;
case StopLockCommand:
delete m_lockWidget;
m_lockWidget = nullptr;
VeyonCore::platform().coreFunctions().restoreScreenSaverSettings();
QCoreApplication::quit();
return true;
default:
break;
}
}
return false;
}
|
