1 files changed, 175 insertions, 0 deletions
diff --git a/src/designer/src/designer/assistantclient.cpp b/src/designer/src/designer/assistantclient.cpp
new file mode 100644
index 000000000..0433c5c51
--- /dev/null
+++ b/src/designer/src/designer/assistantclient.cpp
@@ -0,0 +1,175 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Designer 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 "assistantclient.h"
+
+#include <QtCore/QString>
+#include <QtCore/QProcess>
+#include <QtCore/QDir>
+#include <QtCore/QLibraryInfo>
+#include <QtCore/QDebug>
+#include <QtCore/QFileInfo>
+#include <QtCore/QObject>
+#include <QtCore/QTextStream>
+#include <QtCore/QCoreApplication>
+
+QT_BEGIN_NAMESPACE
+
+enum { debugAssistantClient = 0 };
+
+AssistantClient::AssistantClient() :
+    m_process(0)
+{
+}
+
+AssistantClient::~AssistantClient()
+{
+    if (isRunning()) {
+        m_process->terminate();
+        m_process->waitForFinished();
+    }
+    delete m_process;
+}
+
+bool AssistantClient::showPage(const QString &path, QString *errorMessage)
+{
+    QString cmd = QLatin1String("SetSource ");
+    cmd += path;
+    return sendCommand(cmd, errorMessage);
+}
+
+bool AssistantClient::activateIdentifier(const QString &identifier, QString *errorMessage)
+{
+    QString cmd = QLatin1String("ActivateIdentifier ");
+    cmd += identifier;
+    return sendCommand(cmd, errorMessage);
+}
+
+bool AssistantClient::activateKeyword(const QString &keyword, QString *errorMessage)
+{
+    QString cmd = QLatin1String("ActivateKeyword ");
+    cmd += keyword;
+    return sendCommand(cmd, errorMessage);
+}
+
+bool AssistantClient::sendCommand(const QString &cmd, QString *errorMessage)
+{
+    if (debugAssistantClient)
+        qDebug() << "sendCommand " << cmd;
+    if (!ensureRunning(errorMessage))
+        return false;
+    if (!m_process->isWritable() || m_process->bytesToWrite() > 0) {
+        *errorMessage = QCoreApplication::translate("AssistantClient", "Unable to send request: Assistant is not responding.");
+        return false;
+    }
+    QTextStream str(m_process);
+    str << cmd << QLatin1Char('\n') << endl;
+    return true;
+}
+
+bool AssistantClient::isRunning() const
+{
+    return m_process && m_process->state() != QProcess::NotRunning;
+}
+
+QString AssistantClient::binary()
+{
+    QString app = QLibraryInfo::location(QLibraryInfo::BinariesPath) + QDir::separator();
+#if !defined(Q_OS_MAC)
+    app += QLatin1String("assistant");
+#else
+    app += QLatin1String("Assistant.app/Contents/MacOS/Assistant");    
+#endif
+
+#if defined(Q_OS_WIN)
+    app += QLatin1String(".exe");
+#endif
+
+    return app;
+}
+
+bool AssistantClient::ensureRunning(QString *errorMessage)
+{
+    if (isRunning())
+        return true;
+
+    if (!m_process)
+        m_process = new QProcess;
+
+    const QString app = binary();
+    if (!QFileInfo(app).isFile()) {
+        *errorMessage = QCoreApplication::translate("AssistantClient", "The binary '%1' does not exist.").arg(app);
+        return false;
+    }
+    if (debugAssistantClient)
+        qDebug() << "Running " << app;
+    // run
+    QStringList args(QLatin1String("-enableRemoteControl"));
+    m_process->start(app, args);
+    if (!m_process->waitForStarted()) {
+        *errorMessage = QCoreApplication::translate("AssistantClient", "Unable to launch assistant (%1).").arg(app);
+        return false;
+    }
+    return true;
+}
+
+QString AssistantClient::documentUrl(const QString &prefix, int qtVersion)
+{
+    if (qtVersion == 0)
+        qtVersion = QT_VERSION;
+    QString rc;
+    QTextStream(&rc) << QLatin1String("qthelp://com.trolltech.") << prefix << QLatin1Char('.')
+                     << (qtVersion >> 16) << ((qtVersion >> 8) & 0xFF) << (qtVersion & 0xFF)
+                     << QLatin1String("/qdoc/");
+    return rc;
+}
+
+QString AssistantClient::designerManualUrl(int qtVersion)
+{
+    return documentUrl(QLatin1String("designer"), qtVersion);
+}
+
+QString AssistantClient::qtReferenceManualUrl(int qtVersion)
+{
+    return documentUrl(QLatin1String("qt"), qtVersion);
+}
+
+QT_END_NAMESPACE