1 files changed, 279 insertions, 0 deletions
diff --git a/src/plugins/platforms/blackberry/qbbnavigatorthread.cpp b/src/plugins/platforms/blackberry/qbbnavigatorthread.cpp
new file mode 100644
index 0000000000..65cbb77d31
--- /dev/null
+++ b/src/plugins/platforms/blackberry/qbbnavigatorthread.cpp
@@ -0,0 +1,279 @@
+/***************************************************************************
+**
+** Copyright (C) 2011 - 2012 Research In Motion
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qbbnavigatorthread.h"
+#include "qbbscreen.h"
+
+#include <QtGui/QGuiApplication>
+#include <QtGui/QWindow>
+#include <QtGui/QWindowSystemInterface>
+
+#include <QtCore/QByteArray>
+#include <QtCore/QDebug>
+#include <QtCore/QList>
+#include <QtCore/QSocketNotifier>
+
+#include <errno.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+static const char *navigatorControlPath = "/pps/services/navigator/control";
+static const int ppsBufferSize = 4096;
+
+QBBNavigatorThread::QBBNavigatorThread(QBBScreen& primaryScreen)
+    : m_primaryScreen(primaryScreen),
+      m_fd(-1),
+      m_readNotifier(0)
+{
+}
+
+QBBNavigatorThread::~QBBNavigatorThread()
+{
+    // block until thread terminates
+    shutdown();
+
+    delete m_readNotifier;
+}
+
+void QBBNavigatorThread::run()
+{
+#if defined(QBBNAVIGATORTHREAD_DEBUG)
+    qDebug() << "QBB: navigator thread started";
+#endif
+
+    // open connection to navigator
+    errno = 0;
+    m_fd = open(navigatorControlPath, O_RDWR);
+    if (m_fd == -1) {
+        qWarning("QBB: failed to open navigator pps, errno=%d", errno);
+        return;
+    }
+
+    m_readNotifier = new QSocketNotifier(m_fd, QSocketNotifier::Read);
+    // using direct connection to get the slot called in this thread's context
+    connect(m_readNotifier, SIGNAL(activated(int)), this, SLOT(readData()), Qt::DirectConnection);
+
+    exec();
+
+    // close connection to navigator
+    close(m_fd);
+
+#if defined(QBBNAVIGATORTHREAD_DEBUG)
+    qDebug() << "QBB: navigator thread stopped";
+#endif
+}
+
+void QBBNavigatorThread::shutdown()
+{
+#if defined(QBBNAVIGATORTHREAD_DEBUG)
+    qDebug() << "QBB: navigator thread shutdown begin";
+#endif
+
+    // signal thread to terminate
+    quit();
+
+    // block until thread terminates
+    wait();
+
+#if defined(QBBNAVIGATORTHREAD_DEBUG)
+    qDebug() << "QBB: navigator thread shutdown end";
+#endif
+}
+
+void QBBNavigatorThread::parsePPS(const QByteArray &ppsData, QByteArray &msg, QByteArray &dat, QByteArray &id)
+{
+#if defined(QBBNAVIGATORTHREAD_DEBUG)
+    qDebug() << "PPS: data=" << ppsData;
+#endif
+
+    // tokenize pps data into lines
+    QList<QByteArray> lines = ppsData.split('\n');
+
+    // validate pps object
+    if (lines.size() == 0 || lines.at(0) != "@control") {
+        qFatal("QBB: unrecognized pps object, data=%s", ppsData.constData());
+    }
+
+    // parse pps object attributes and extract values
+    for (int i = 1; i < lines.size(); i++) {
+
+        // tokenize current attribute
+        const QByteArray &attr = lines.at(i);
+
+#if defined(QBBNAVIGATORTHREAD_DEBUG)
+        qDebug() << "PPS: attr=" << attr;
+#endif
+
+        int firstColon = attr.indexOf(':');
+        if (firstColon == -1) {
+            // abort - malformed attribute
+            continue;
+        }
+
+        int secondColon = attr.indexOf(':', firstColon + 1);
+        if (secondColon == -1) {
+            // abort - malformed attribute
+            continue;
+        }
+
+        QByteArray key = attr.left(firstColon);
+        QByteArray value = attr.mid(secondColon + 1);
+
+#if defined(QBBNAVIGATORTHREAD_DEBUG)
+        qDebug() << "PPS: key=" << key;
+        qDebug() << "PPS: val=" << value;
+#endif
+
+        // save attribute value
+        if (key == "msg") {
+            msg = value;
+        } else if (key == "dat") {
+            dat = value;
+        } else if (key == "id") {
+            id = value;
+        } else {
+            qFatal("QBB: unrecognized pps attribute, attr=%s", key.constData());
+        }
+    }
+}
+
+void QBBNavigatorThread::replyPPS(const QByteArray &res, const QByteArray &id, const QByteArray &dat)
+{
+    // construct pps message
+    QByteArray ppsData = "res::";
+    ppsData += res;
+    ppsData += "\nid::";
+    ppsData += id;
+    if (!dat.isEmpty()) {
+        ppsData += "\ndat::";
+        ppsData += dat;
+    }
+    ppsData += "\n";
+
+#if defined(QBBNAVIGATORTHREAD_DEBUG)
+    qDebug() << "PPS reply=" << ppsData;
+#endif
+
+    // send pps message to navigator
+    errno = 0;
+    int bytes = write(m_fd, ppsData.constData(), ppsData.size());
+    if (bytes == -1) {
+        qFatal("QBB: failed to write navigator pps, errno=%d", errno);
+    }
+}
+
+void QBBNavigatorThread::handleMessage(const QByteArray &msg, const QByteArray &dat, const QByteArray &id)
+{
+#if defined(QBBNAVIGATORTHREAD_DEBUG)
+    qDebug() << "PPS: msg=" << msg << ", dat=" << dat << ", id=" << id;
+#endif
+
+    // check message type
+    if (msg == "orientationCheck") {
+
+        // reply to navigator that (any) orientation is acceptable
+#if defined(QBBNAVIGATORTHREAD_DEBUG)
+        qDebug() << "PPS: orientation check, o=" << dat;
+#endif
+        replyPPS(msg, id, "true");
+
+    } else if (msg == "orientation") {
+
+        // update screen geometry and reply to navigator that we're ready
+#if defined(QBBNAVIGATORTHREAD_DEBUG)
+        qDebug() << "PPS: orientation, o=" << dat;
+#endif
+        m_primaryScreen.setRotation( dat.toInt() );
+        QWindowSystemInterface::handleScreenGeometryChange(0, m_primaryScreen.geometry());
+        replyPPS(msg, id, "");
+
+    } else if (msg == "SWIPE_DOWN") {
+
+        // simulate menu key press
+#if defined(QBBNAVIGATORTHREAD_DEBUG)
+        qDebug() << "PPS: menu";
+#endif
+        QWindow *w = QGuiApplication::focusWindow();
+        QWindowSystemInterface::handleKeyEvent(w, QEvent::KeyPress, Qt::Key_Menu, Qt::NoModifier);
+        QWindowSystemInterface::handleKeyEvent(w, QEvent::KeyRelease, Qt::Key_Menu, Qt::NoModifier);
+
+    } else if (msg == "exit") {
+
+        // shutdown everything
+#if defined(QBBNAVIGATORTHREAD_DEBUG)
+        qDebug() << "PPS: exit";
+#endif
+        QCoreApplication::quit();
+    }
+}
+
+void QBBNavigatorThread::readData()
+{
+#if defined(QBBNAVIGATORTHREAD_DEBUG)
+    qDebug() << "QBB: reading navigator data";
+#endif
+    // allocate buffer for pps data
+    char buffer[ppsBufferSize];
+
+    // attempt to read pps data
+    errno = 0;
+    int bytes = read(m_fd, buffer, ppsBufferSize - 1);
+    if (bytes == -1) {
+        qFatal("QBB: failed to read navigator pps, errno=%d", errno);
+    }
+
+    // check if pps data was received
+    if (bytes > 0) {
+
+        // ensure data is null terminated
+        buffer[bytes] = '\0';
+
+        // process received message
+        QByteArray ppsData(buffer);
+        QByteArray msg;
+        QByteArray dat;
+        QByteArray id;
+        parsePPS(ppsData, msg, dat, id);
+        handleMessage(msg, dat, id);
+    }
+}