nodeinstanceserverproxy.cpp 7.14 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
#include "nodeinstanceserverproxy.h"

#include <QLocalServer>
#include <QLocalSocket>
#include <QProcess>
#include <QCoreApplication>
#include <QUuid>

#include "propertyabstractcontainer.h"
#include "propertyvaluecontainer.h"
#include "propertybindingcontainer.h"
#include "instancecontainer.h"
#include "createinstancescommand.h"
#include "createscenecommand.h"
#include "changevaluescommand.h"
#include "changebindingscommand.h"
#include "changefileurlcommand.h"
#include "removeinstancescommand.h"
#include "clearscenecommand.h"
#include "removepropertiescommand.h"
#include "reparentinstancescommand.h"
#include "changeidscommand.h"
#include "changestatecommand.h"
24
#include "addimportcommand.h"
25
#include "completecomponentcommand.h"
26
27
28
29

#include "informationchangedcommand.h"
#include "pixmapchangedcommand.h"
#include "valueschangedcommand.h"
30
#include "childrenchangedcommand.h"
31
32
#include "imagecontainer.h"
#include "statepreviewimagechangedcommand.h"
33
#include "componentcompletedcommand.h"
34
35
36
37
38
39
40
41
42
43

#include "nodeinstanceview.h"
#include "nodeinstanceclientproxy.h"

namespace QmlDesigner {

NodeInstanceServerProxy::NodeInstanceServerProxy(NodeInstanceView *nodeInstanceView)
    : NodeInstanceServerInterface(nodeInstanceView),
      m_localServer(new QLocalServer(this)),
      m_nodeInstanceView(nodeInstanceView),
44
      m_blockSize(0)
45
46
47
48
{
   QString socketToken(QUuid::createUuid().toString());

   m_localServer->listen(socketToken);
49
   m_localServer->setMaxPendingConnections(1);
50
51
52
53

   m_qmlPuppetProcess = new QProcess(QCoreApplication::instance());
   connect(m_qmlPuppetProcess.data(), SIGNAL(finished(int,QProcess::ExitStatus)), this, SLOT(processFinished(int,QProcess::ExitStatus)));
   m_qmlPuppetProcess->setProcessChannelMode(QProcess::ForwardedChannels);
54
   m_qmlPuppetProcess->start(QString("%1/%2").arg(QCoreApplication::applicationDirPath()).arg("qmlpuppet"), QStringList() << socketToken << "-graphicssystem raster");
55
56
57
58
59
60
61
   connect(QCoreApplication::instance(), SIGNAL(aboutToQuit()), this, SLOT(deleteLater()));
   m_qmlPuppetProcess->waitForStarted();
   Q_ASSERT(m_qmlPuppetProcess->state() == QProcess::Running);

   if (!m_localServer->hasPendingConnections())
       m_localServer->waitForNewConnection(-1);

62
63
64
   m_socket = m_localServer->nextPendingConnection();
   Q_ASSERT(m_socket);
   connect(m_socket.data(), SIGNAL(readyRead()), this, SLOT(readDataStream()));
65
66
67
68
69
   m_localServer->close();
}

NodeInstanceServerProxy::~NodeInstanceServerProxy()
{
70
71
72
    if (m_socket)
        m_socket->close();

73
74
    if (m_qmlPuppetProcess) {
        m_qmlPuppetProcess->blockSignals(true);
75
        m_qmlPuppetProcess->kill();
76
77
78
79
80
81
82
83
    }
}

void NodeInstanceServerProxy::dispatchCommand(const QVariant &command)
{
    static const int informationChangedCommandType = QMetaType::type("InformationChangedCommand");
    static const int valuesChangedCommandType = QMetaType::type("ValuesChangedCommand");
    static const int pixmapChangedCommandType = QMetaType::type("PixmapChangedCommand");
84
    static const int childrenChangedCommandType = QMetaType::type("ChildrenChangedCommand");
85
    static const int statePreviewImageChangedCommandType = QMetaType::type("StatePreviewImageChangedCommand");
86
    static const int componentCompletedCommandType = QMetaType::type("ComponentCompletedCommand");
87
88
89
90
91
92
93

    if (command.userType() ==  informationChangedCommandType)
        nodeInstanceClient()->informationChanged(command.value<InformationChangedCommand>());
    else if (command.userType() ==  valuesChangedCommandType)
        nodeInstanceClient()->valuesChanged(command.value<ValuesChangedCommand>());
    else if (command.userType() ==  pixmapChangedCommandType)
        nodeInstanceClient()->pixmapChanged(command.value<PixmapChangedCommand>());
94
95
    else if (command.userType() == childrenChangedCommandType)
        nodeInstanceClient()->childrenChanged(command.value<ChildrenChangedCommand>());
96
97
    else if (command.userType() == statePreviewImageChangedCommandType)
        nodeInstanceClient()->statePreviewImagesChanged(command.value<StatePreviewImageChangedCommand>());
98
99
    else if (command.userType() == componentCompletedCommandType)
        nodeInstanceClient()->componentCompleted(command.value<ComponentCompletedCommand>());
100
101
102
103
104
105
106
107
108
109
110
    else
        Q_ASSERT(false);
}

NodeInstanceClientInterface *NodeInstanceServerProxy::nodeInstanceClient() const
{
    return m_nodeInstanceView.data();
}

void NodeInstanceServerProxy::writeCommand(const QVariant &command)
{
111
    Q_ASSERT(m_socket.data());
112
113
114
115
116
117
118
119

    QByteArray block;
    QDataStream out(&block, QIODevice::WriteOnly);
    out << quint32(0);
    out << command;
    out.device()->seek(0);
    out << quint32(block.size() - sizeof(quint32));

120
    m_socket->write(block);
121
122
123
124
}

void NodeInstanceServerProxy::processFinished(int /*exitCode*/, QProcess::ExitStatus /* exitStatus */)
{
125
    m_socket->close();
126
127
128
    emit processCrashed();
}

129

130
void NodeInstanceServerProxy::readDataStream()
131
132
133
{
    QList<QVariant> commandList;

134
135
    while (!m_socket->atEnd()) {
        if (m_socket->bytesAvailable() < int(sizeof(quint32)))
136
137
            break;

138
        QDataStream in(m_socket.data());
139

140
141
        if (m_blockSize == 0) {
            in >> m_blockSize;
142
143
        }

144
        if (m_socket->bytesAvailable() < m_blockSize)
145
146
147
148
            break;

        QVariant command;
        in >> command;
149
        m_blockSize = 0;
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215

        Q_ASSERT(in.status() == QDataStream::Ok);

        commandList.append(command);
    }

    foreach (const QVariant &command, commandList) {
        dispatchCommand(command);
    }
}

void NodeInstanceServerProxy::createInstances(const CreateInstancesCommand &command)
{
    writeCommand(QVariant::fromValue(command));
}

void NodeInstanceServerProxy::changeFileUrl(const ChangeFileUrlCommand &command)
{
    writeCommand(QVariant::fromValue(command));
}

void NodeInstanceServerProxy::createScene(const CreateSceneCommand &command)
{
    writeCommand(QVariant::fromValue(command));
}

void NodeInstanceServerProxy::clearScene(const ClearSceneCommand &command)
{
    writeCommand(QVariant::fromValue(command));
}

void NodeInstanceServerProxy::removeInstances(const RemoveInstancesCommand &command)
{
    writeCommand(QVariant::fromValue(command));
}

void NodeInstanceServerProxy::removeProperties(const RemovePropertiesCommand &command)
{
    writeCommand(QVariant::fromValue(command));
}

void NodeInstanceServerProxy::changePropertyBindings(const ChangeBindingsCommand &command)
{
    writeCommand(QVariant::fromValue(command));
}

void NodeInstanceServerProxy::changePropertyValues(const ChangeValuesCommand &command)
{
    writeCommand(QVariant::fromValue(command));
}

void NodeInstanceServerProxy::reparentInstances(const ReparentInstancesCommand &command)
{
    writeCommand(QVariant::fromValue(command));
}

void NodeInstanceServerProxy::changeIds(const ChangeIdsCommand &command)
{
    writeCommand(QVariant::fromValue(command));
}

void NodeInstanceServerProxy::changeState(const ChangeStateCommand &command)
{
    writeCommand(QVariant::fromValue(command));
}

216
217
218
219
void NodeInstanceServerProxy::addImport(const AddImportCommand &command)
{
    writeCommand(QVariant::fromValue(command));
}
220
221
222
223
224

void NodeInstanceServerProxy::completeComponent(const CompleteComponentCommand &command)
{
    writeCommand(QVariant::fromValue(command));
}
225
} // namespace QmlDesigner