Merge branch '4.7' of scm.dev.nokia.troll.no:qt/qt-qml into 4.7-integration

* '4.7' of scm.dev.nokia.troll.no:qt/qt-qml: (151 commits)
  expect fail for some PinchArea tests on mac
  Allow functions to be passed in as values for grouped properties
  Fix lineHeight autotests.
  Update Docs, Examples and Demos for new CreateObject overloadable
  Adding support for group properties in Component::CreateObject()
  Update test, versioning is fixed so expect-fail no longer needed
  Test failure fixed - remove XFAIL
  photoviewer needs QtQuick 1.1 for Image::cache
  disable some pincharea tests on mac temporarily
  Fix failing test on mac for Qt.application
  Fix test breakage for qdeclarativeworkerscript
  Fix typo in error message.
  Doc fix for lineHeight.
  Add support for line spacing in Text element.
  Fixing right-to-left text in Text and TextInput
  Fix MaximumLineCount in Text and add tests
  Ensure simple objects also get the appropriate property cache
  Add test for Loader implicitWidth/implicitHeight
  Don't crash when appending a null item
  Test for passing functions to createObject() for property bindings
  ...

1 files changed, 361 insertions, 0 deletions

diff --git a/src/declarative/debugger/qdeclarativedebugserver.cpp b/src/declarative/debugger/qdeclarativedebugserver.cpp
new file mode 100644
index 0000000..a269984
--- /dev/null
+++ b/src/declarative/debugger/qdeclarativedebugserver.cpp
@@ -0,0 +1,361 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "private/qdeclarativedebugserver_p.h"
+#include "private/qdeclarativedebugservice_p.h"
+#include "private/qdeclarativedebugservice_p_p.h"
+#include "private/qdeclarativeengine_p.h"
+
+#include <QtCore/QDir>
+#include <QtCore/QPluginLoader>
+#include <QtCore/QStringList>
+
+#include <private/qobject_p.h>
+#include <private/qapplication_p.h>
+
+QT_BEGIN_NAMESPACE
+
+/*
+  QDeclarativeDebug Protocol (Version 1):
+
+  handshake:
+    1. Client sends
+         "QDeclarativeDebugServer" 0 version pluginNames
+       version: an int representing the highest protocol version the client knows
+       pluginNames: plugins available on client side
+    2. Server sends
+         "QDeclarativeDebugClient" 0 version pluginNames
+       version: an int representing the highest protocol version the client & server know
+       pluginNames: plugins available on server side. plugins both in the client and server message are enabled.
+  client plugin advertisement
+    1. Client sends
+         "QDeclarativeDebugServer" 1 pluginNames
+  server plugin advertisement
+    1. Server sends
+         "QDeclarativeDebugClient" 1 pluginNames
+  plugin communication:
+       Everything send with a header different to "QDeclarativeDebugServer" is sent to the appropriate plugin.
+  */
+
+const int protocolVersion = 1;
+
+
+class QDeclarativeDebugServerPrivate : public QObjectPrivate
+{
+    Q_DECLARE_PUBLIC(QDeclarativeDebugServer)
+public:
+    QDeclarativeDebugServerPrivate();
+
+    void advertisePlugins();
+
+    QDeclarativeDebugServerConnection *connection;
+    QHash<QString, QDeclarativeDebugService *> plugins;
+    QStringList clientPlugins;
+    bool gotHello;
+
+    static QDeclarativeDebugServerConnection *loadConnectionPlugin();
+};
+
+QDeclarativeDebugServerPrivate::QDeclarativeDebugServerPrivate() :
+    connection(0),
+    gotHello(false)
+{
+}
+
+void QDeclarativeDebugServerPrivate::advertisePlugins()
+{
+    if (!gotHello)
+        return;
+
+    QByteArray message;
+    {
+        QDataStream out(&message, QIODevice::WriteOnly);
+        out << QString(QLatin1String("QDeclarativeDebugClient")) << 1 << plugins.keys();
+    }
+    connection->send(message);
+}
+
+QDeclarativeDebugServerConnection *QDeclarativeDebugServerPrivate::loadConnectionPlugin()
+{
+    QStringList pluginCandidates;
+    const QStringList paths = QCoreApplication::libraryPaths();
+    foreach (const QString &libPath, paths) {
+        const QDir dir(libPath + QLatin1String("/qmldebugging"));
+        if (dir.exists()) {
+            QStringList plugins(dir.entryList(QDir::Files));
+            foreach (const QString &pluginPath, plugins) {
+                pluginCandidates << dir.absoluteFilePath(pluginPath);
+            }
+        }
+    }
+
+    foreach (const QString &pluginPath, pluginCandidates) {
+        QPluginLoader loader(pluginPath);
+        if (!loader.load()) {
+            continue;
+        }
+        QDeclarativeDebugServerConnection *connection = 0;
+        if (QObject *instance = loader.instance())
+            connection = qobject_cast<QDeclarativeDebugServerConnection*>(instance);
+
+        if (connection)
+            return connection;
+        loader.unload();
+    }
+    return 0;
+}
+
+bool QDeclarativeDebugServer::hasDebuggingClient() const
+{
+    Q_D(const QDeclarativeDebugServer);
+    return d->connection
+            && d->connection->isConnected()
+            && d->gotHello;
+}
+
+QDeclarativeDebugServer *QDeclarativeDebugServer::instance()
+{
+    static bool commandLineTested = false;
+    static QDeclarativeDebugServer *server = 0;
+
+    if (!commandLineTested) {
+        commandLineTested = true;
+
+#ifndef QDECLARATIVE_NO_DEBUG_PROTOCOL
+        QApplicationPrivate *appD = static_cast<QApplicationPrivate*>(QObjectPrivate::get(qApp));
+        // ### remove port definition when protocol is changed
+        int port = 0;
+        bool block = false;
+        bool ok = false;
+
+        // format: qmljsdebugger=port:3768[,block]
+        if (!appD->qmljsDebugArgumentsString().isEmpty()) {
+            if (!QDeclarativeEnginePrivate::qml_debugging_enabled) {
+                const QString message =
+                    QString::fromAscii("QDeclarativeDebugServer: Ignoring \"-qmljsdebugger=%1\". "
+                              "Debugging has not been enabled.").arg(
+                                  appD->qmljsDebugArgumentsString());
+                qWarning("%s", qPrintable(message));
+                return 0;
+            }
+
+            if (appD->qmljsDebugArgumentsString().indexOf(QLatin1String("port:")) == 0) {
+                int separatorIndex = appD->qmljsDebugArgumentsString().indexOf(QLatin1Char(','));
+                port = appD->qmljsDebugArgumentsString().mid(5, separatorIndex - 5).toInt(&ok);
+            }
+            block = appD->qmljsDebugArgumentsString().contains(QLatin1String("block"));
+
+            if (ok) {
+                server = new QDeclarativeDebugServer();
+
+                QDeclarativeDebugServerConnection *connection
+                        = QDeclarativeDebugServerPrivate::loadConnectionPlugin();
+                if (connection) {
+                    server->d_func()->connection = connection;
+
+                    connection->setServer(server);
+                    connection->setPort(port, block);
+                } else {
+                    qWarning() << QString::fromAscii("QDeclarativeDebugServer: Ignoring\"-qmljsdebugger=%1\". "
+                                                     "Remote debugger plugin has not been found.").arg(appD->qmljsDebugArgumentsString());
+                }
+
+            } else {
+                qWarning(QString::fromAscii("QDeclarativeDebugServer: Ignoring \"-qmljsdebugger=%1\". "
+                                            "Format is -qmljsdebugger=port:<port>[,block]").arg(
+                             appD->qmljsDebugArgumentsString()).toAscii().constData());
+            }
+        }
+#endif
+    }
+
+    return server;
+}
+
+QDeclarativeDebugServer::QDeclarativeDebugServer()
+: QObject(*(new QDeclarativeDebugServerPrivate))
+{
+}
+
+void QDeclarativeDebugServer::receiveMessage(const QByteArray &message)
+{
+    Q_D(QDeclarativeDebugServer);
+
+    QDataStream in(message);
+    if (!d->gotHello) {
+
+        QString name;
+        int op;
+        in >> name >> op;
+
+        if (name != QLatin1String("QDeclarativeDebugServer")
+                || op != 0) {
+            qWarning("QDeclarativeDebugServer: Invalid hello message");
+            d->connection->disconnect();
+            return;
+        }
+
+        int version;
+        in >> version >> d->clientPlugins;
+
+        QHash<QString, QDeclarativeDebugService*>::Iterator iter = d->plugins.begin();
+        for (; iter != d->plugins.end(); ++iter) {
+            QDeclarativeDebugService::Status newStatus = QDeclarativeDebugService::Unavailable;
+            if (d->clientPlugins.contains(iter.key()))
+                newStatus = QDeclarativeDebugService::Enabled;
+            iter.value()->d_func()->status = newStatus;
+            iter.value()->statusChanged(newStatus);
+        }
+
+        QByteArray helloAnswer;
+        {
+            QDataStream out(&helloAnswer, QIODevice::WriteOnly);
+            out << QString(QLatin1String("QDeclarativeDebugClient")) << 0 << protocolVersion << d->plugins.keys();
+        }
+        d->connection->send(helloAnswer);
+
+        d->gotHello = true;
+        qWarning("QDeclarativeDebugServer: Connection established");
+    } else {
+
+        QString debugServer(QLatin1String("QDeclarativeDebugServer"));
+
+        QString name;
+        in >> name;
+
+        if (name == debugServer) {
+            int op = -1;
+            in >> op;
+
+            if (op == 1) {
+                // Service Discovery
+                QStringList oldClientPlugins = d->clientPlugins;
+                in >> d->clientPlugins;
+
+                QHash<QString, QDeclarativeDebugService*>::Iterator iter = d->plugins.begin();
+                for (; iter != d->plugins.end(); ++iter) {
+                    const QString pluginName = iter.key();
+                    QDeclarativeDebugService::Status newStatus = QDeclarativeDebugService::Unavailable;
+                    if (d->clientPlugins.contains(pluginName))
+                        newStatus = QDeclarativeDebugService::Enabled;
+
+                    if (oldClientPlugins.contains(pluginName)
+                            != d->clientPlugins.contains(pluginName)) {
+                        iter.value()->d_func()->status = newStatus;
+                        iter.value()->statusChanged(newStatus);
+                    }
+                }
+            } else {
+                qWarning("QDeclarativeDebugServer: Invalid control message %d", op);
+            }
+        } else {
+            QByteArray message;
+            in >> message;
+
+            QHash<QString, QDeclarativeDebugService *>::Iterator iter =
+                d->plugins.find(name);
+            if (iter == d->plugins.end()) {
+                qWarning() << "QDeclarativeDebugServer: Message received for missing plugin" << name;
+            } else {
+                (*iter)->messageReceived(message);
+            }
+        }
+    }
+}
+
+QList<QDeclarativeDebugService*> QDeclarativeDebugServer::services() const
+{
+    const Q_D(QDeclarativeDebugServer);
+    return d->plugins.values();
+}
+
+QStringList QDeclarativeDebugServer::serviceNames() const
+{
+    const Q_D(QDeclarativeDebugServer);
+    return d->plugins.keys();
+}
+
+bool QDeclarativeDebugServer::addService(QDeclarativeDebugService *service)
+{
+    Q_D(QDeclarativeDebugServer);
+    if (!service || d->plugins.contains(service->name()))
+        return false;
+
+    d->plugins.insert(service->name(), service);
+    d->advertisePlugins();
+
+    QDeclarativeDebugService::Status newStatus = QDeclarativeDebugService::Unavailable;
+    if (d->clientPlugins.contains(service->name()))
+        newStatus = QDeclarativeDebugService::Enabled;
+    service->d_func()->status = newStatus;
+    service->statusChanged(newStatus);
+    return true;
+}
+
+bool QDeclarativeDebugServer::removeService(QDeclarativeDebugService *service)
+{
+    Q_D(QDeclarativeDebugServer);
+    if (!service || !d->plugins.contains(service->name()))
+        return false;
+
+    d->plugins.remove(service->name());
+    d->advertisePlugins();
+
+    QDeclarativeDebugService::Status newStatus = QDeclarativeDebugService::NotConnected;
+    service->d_func()->server = 0;
+    service->d_func()->status = newStatus;
+    service->statusChanged(newStatus);
+    return true;
+}
+
+void QDeclarativeDebugServer::sendMessage(QDeclarativeDebugService *service,
+                                          const QByteArray &message)
+{
+    Q_D(QDeclarativeDebugServer);
+    QByteArray msg;
+    {
+        QDataStream out(&msg, QIODevice::WriteOnly);
+        out << service->name() << message;
+    }
+    d->connection->send(msg);
+}
+
+QT_END_NAMESPACE