text: /****************************************************************************
  **
  ** Copyright (C) 2012 Research In Motion
  ** Contact: http://www.qt.io/licensing/
  **
  ** This file is part of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:LGPL21$
  ** Commercial License Usage
  ** Licensees holding valid commercial Qt licenses may use this file in
  ** accordance with the commercial license agreement provided with the
  ** Software or, alternatively, in accordance with the terms contained in
  ** a written agreement between you and The Qt Company. For licensing terms
  ** and conditions see http://www.qt.io/terms-conditions. For further
  ** information use the contact form at http://www.qt.io/contact-us.
  **
  ** 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 or version 3 as published by the Free
  ** Software Foundation and appearing in the file LICENSE.LGPLv21 and
  ** LICENSE.LGPLv3 included in the packaging of this file. Please review the
  ** following information to ensure the GNU Lesser General Public License
  ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
  ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
  **
  ** As a special exception, The Qt Company gives you certain additional
  ** rights. These rights are described in The Qt Company LGPL Exception
  ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
  **
  ** $QT_END_LICENSE$
  **
  ****************************************************************************/
  #include "mmrendererutil.h"
  
  #include <QDebug>
  #include <QDir>
  #include <QFile>
  #include <QString>
  #include <QXmlStreamReader>
  
  #include <mm/renderer.h>
  
  QT_BEGIN_NAMESPACE
  
  struct MmError {
      int errorCode;
      const char *name;
  };
  
  #define MM_ERROR_ENTRY(error) { error, #error }
  static const MmError mmErrors[] = {
      MM_ERROR_ENTRY(MMR_ERROR_NONE),
      MM_ERROR_ENTRY(MMR_ERROR_UNKNOWN ),
      MM_ERROR_ENTRY(MMR_ERROR_INVALID_PARAMETER ),
      MM_ERROR_ENTRY(MMR_ERROR_INVALID_STATE),
      MM_ERROR_ENTRY(MMR_ERROR_UNSUPPORTED_VALUE),
      MM_ERROR_ENTRY(MMR_ERROR_UNSUPPORTED_MEDIA_TYPE),
      MM_ERROR_ENTRY(MMR_ERROR_MEDIA_PROTECTED),
      MM_ERROR_ENTRY(MMR_ERROR_UNSUPPORTED_OPERATION),
      MM_ERROR_ENTRY(MMR_ERROR_READ),
      MM_ERROR_ENTRY(MMR_ERROR_WRITE),
      MM_ERROR_ENTRY(MMR_ERROR_MEDIA_UNAVAILABLE),
      MM_ERROR_ENTRY(MMR_ERROR_MEDIA_CORRUPTED),
      MM_ERROR_ENTRY(MMR_ERROR_OUTPUT_UNAVAILABLE),
      MM_ERROR_ENTRY(MMR_ERROR_NO_MEMORY),
      MM_ERROR_ENTRY(MMR_ERROR_RESOURCE_UNAVAILABLE),
      MM_ERROR_ENTRY(MMR_ERROR_MEDIA_DRM_NO_RIGHTS),
      MM_ERROR_ENTRY(MMR_ERROR_DRM_CORRUPTED_DATA_STORE),
      MM_ERROR_ENTRY(MMR_ERROR_DRM_OUTPUT_PROTECTION),
      MM_ERROR_ENTRY(MMR_ERROR_DRM_OPL_HDMI),
      MM_ERROR_ENTRY(MMR_ERROR_DRM_OPL_DISPLAYPORT),
      MM_ERROR_ENTRY(MMR_ERROR_DRM_OPL_DVI),
      MM_ERROR_ENTRY(MMR_ERROR_DRM_OPL_ANALOG_VIDEO),
      MM_ERROR_ENTRY(MMR_ERROR_DRM_OPL_ANALOG_AUDIO),
      MM_ERROR_ENTRY(MMR_ERROR_DRM_OPL_TOSLINK),
      MM_ERROR_ENTRY(MMR_ERROR_DRM_OPL_SPDIF),
      MM_ERROR_ENTRY(MMR_ERROR_DRM_OPL_BLUETOOTH),
      MM_ERROR_ENTRY(MMR_ERROR_DRM_OPL_WIRELESSHD),
  };
  static const unsigned int numMmErrors = sizeof(mmErrors) / sizeof(MmError);
  
  QString mmErrorMessage(const QString &msg, mmr_context_t *context, int *errorCode)
  {
      const mmr_error_info_t * const mmError = mmr_error_info(context);
  
      if (errorCode)
          *errorCode = mmError->error_code;
  
      if (mmError->error_code < numMmErrors) {
          return QString("%1: %2 (code %3)").arg(msg).arg(mmErrors[mmError->error_code].name)
                                            .arg(mmError->error_code);
      } else {
          return QString("%1: Unknown error code %2").arg(msg).arg(mmError->error_code);
      }
  }
  
  bool checkForDrmPermission()
  {
      QDir sandboxDir = QDir::home(); // always returns 'data' directory
      sandboxDir.cdUp(); // change to app sandbox directory
  
      QFile file(sandboxDir.filePath("app/native/bar-descriptor.xml"));
      if (!file.open(QIODevice::ReadOnly)) {
          qWarning() << "checkForDrmPermission: Unable to open bar-descriptor.xml";
          return false;
      }
  
      QXmlStreamReader reader(&file);
      while (!reader.atEnd()) {
          reader.readNextStartElement();
          if (reader.name() == QLatin1String("action")
              || reader.name() == QLatin1String("permission")) {
              if (reader.readElementText().trimmed() == QLatin1String("access_protected_media"))
                  return true;
          }
      }
  
      return false;
  }
  
  QT_END_NAMESPACE
  