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
|
/*
* Copyright (C) 2013-2014 Canonical, Ltd.
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License version 3, as published by
* the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranties of MERCHANTABILITY,
* SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
// Qt
#include <QGuiApplication>
#include <QMutexLocker>
// local
#include "mirsurfacemanager.h"
#include "sessionmanager.h"
#include "application_manager.h"
#include "tracepoints.h" // generated from tracepoints.tp
// common
#include <debughelpers.h>
// QPA mirserver
#include "nativeinterface.h"
#include "mirserver.h"
#include "sessionlistener.h"
#include "mirshell.h"
#include "logging.h"
Q_LOGGING_CATEGORY(QTMIR_SURFACES, "qtmir.surfaces")
namespace ms = mir::scene;
namespace qtmir {
MirSurfaceManager *MirSurfaceManager::the_surface_manager = nullptr;
void connectToSessionListener(MirSurfaceManager *manager, SessionListener *listener)
{
QObject::connect(listener, &SessionListener::sessionCreatedSurface,
manager, &MirSurfaceManager::onSessionCreatedSurface);
QObject::connect(listener, &SessionListener::sessionDestroyingSurface,
manager, &MirSurfaceManager::onSessionDestroyingSurface);
}
MirSurfaceManager* MirSurfaceManager::singleton()
{
if (!the_surface_manager) {
NativeInterface *nativeInterface = dynamic_cast<NativeInterface*>(QGuiApplication::platformNativeInterface());
if (!nativeInterface) {
qCritical("ERROR: Unity.Application QML plugin requires use of the 'mirserver' QPA plugin");
QGuiApplication::quit();
return nullptr;
}
SessionListener *sessionListener = static_cast<SessionListener*>(nativeInterface->nativeResourceForIntegration("SessionListener"));
MirShell *shell = static_cast<MirShell*>(nativeInterface->nativeResourceForIntegration("Shell"));
the_surface_manager = new MirSurfaceManager(nativeInterface->m_mirServer, shell, SessionManager::singleton());
connectToSessionListener(the_surface_manager, sessionListener);
}
return the_surface_manager;
}
MirSurfaceManager::MirSurfaceManager(
const QSharedPointer<MirServer>& mirServer,
MirShell *shell,
SessionManager* sessionManager,
QObject *parent)
: MirSurfaceItemModel(parent)
, m_mirServer(mirServer)
, m_shell(shell)
, m_sessionManager(sessionManager)
{
qCDebug(QTMIR_SURFACES) << "MirSurfaceManager::MirSurfaceManager - this=" << this;
setObjectName("qtmir::SurfaceManager");
}
MirSurfaceManager::~MirSurfaceManager()
{
qCDebug(QTMIR_SURFACES) << "MirSurfaceManager::~MirSurfaceManager - this=" << this;
m_mirSurfaceToItemHash.clear();
}
void MirSurfaceManager::onSessionCreatedSurface(const mir::scene::Session *mirSession,
const std::shared_ptr<mir::scene::Surface> &surface,
const std::shared_ptr<SurfaceObserver> &observer)
{
qCDebug(QTMIR_SURFACES) << "MirSurfaceManager::onSessionCreatedSurface - mirSession=" << mirSession
<< "surface=" << surface.get() << "surface.name=" << surface->name().c_str();
SessionInterface* session = m_sessionManager->findSession(mirSession);
auto qmlSurface = new MirSurfaceItem(surface, session, m_shell, observer);
{
QMutexLocker lock(&m_mutex);
m_mirSurfaceToItemHash.insert(surface.get(), qmlSurface);
}
if (session)
session->setSurface(qmlSurface);
// Only notify QML of surface creation once it has drawn its first frame.
connect(qmlSurface, &MirSurfaceItemInterface::firstFrameDrawn, this, [=]() {
tracepoint(qtmir, firstFrameDrawn);
Q_EMIT surfaceCreated(qmlSurface);
insert(0, qmlSurface);
});
// clean up after MirSurfaceItem is destroyed
connect(qmlSurface, &MirSurfaceItem::destroyed, this, [&](QObject *item) {
auto mirSurfaceItem = static_cast<MirSurfaceItem*>(item);
{
QMutexLocker lock(&m_mutex);
m_mirSurfaceToItemHash.remove(m_mirSurfaceToItemHash.key(mirSurfaceItem));
}
remove(mirSurfaceItem);
tracepoint(qtmir, surfaceDestroyed);
});
tracepoint(qtmir, surfaceCreated);
}
void MirSurfaceManager::onSessionDestroyingSurface(const mir::scene::Session *session,
const std::shared_ptr<mir::scene::Surface> &surface)
{
qCDebug(QTMIR_SURFACES) << "MirSurfaceManager::onSessionDestroyingSurface - session=" << session
<< "surface=" << surface.get() << "surface.name=" << surface->name().c_str();
MirSurfaceItemInterface* item = nullptr;
{
QMutexLocker lock(&m_mutex);
auto it = m_mirSurfaceToItemHash.find(surface.get());
if (it != m_mirSurfaceToItemHash.end()) {
item = it.value();
m_mirSurfaceToItemHash.remove(m_mirSurfaceToItemHash.key(item));
} else {
qCritical() << "MirSurfaceManager::onSessionDestroyingSurface: unable to find MirSurfaceItem corresponding"
<< "to surface=" << surface.get() << "surface.name=" << surface->name().c_str();
return;
}
}
item->setEnabled(false); //disable input events
item->setLive(false); //disable input events
Q_EMIT surfaceDestroyed(item);
}
} // namespace qtmir
|
