1 /*

     2  * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3  * All rights reserved.

     4  * This component and the accompanying materials are made available

     5  * under the terms of "Eclipse Public License v1.0"

     6  * which accompanies this distribution, and is available

     7  * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8  *

     9  * Initial Contributors:

    10  * Nokia Corporation - initial contribution.

    11  *

    12  * Contributors:

    13  *

    14  * Description:

    15  *

    16  */

    17 

    18 #include "infowidgetpreferences.h"

    19 #include "infowidgetlogging.h"

    20 

    21 /*!

    22   \class InfoWidgetPreferences

    23   \brief Preference store for widget  

    24          display etc. options   

    25 */

    26 

    27 

    28 /*!

    29     InfoWidgetPreferences::InfoWidgetPreferences() 

    30 */

    31 InfoWidgetPreferences::InfoWidgetPreferences(QObject *parent): 

    32     QObject(parent)

    33 {

    34     DPRINT;

    35 }

    36 

    37 /*!

    38     InfoWidgetPreferences::~InfoWidgetPreferences() 

    39 */

    40 InfoWidgetPreferences::~InfoWidgetPreferences()

    41 {

    42     DPRINT;

    43 }

    44 

    45 /*!

    46     InfoWidgetPreferences::storePreferences()

    47     

    48     Store acceptable preference set  

    49 */

    50 bool InfoWidgetPreferences::storePreferences()

    51 {

    52     DPRINT;

    53     bool changed(false); 

    54     

    55     if (validate() && 

    56         m_validatedOptions != m_options){

    57             DPRINT << ": preferences differ";

    58             changed = true; 

    59             m_validatedOptions = m_options;

    60         }

    61     else if (visibleItemCount() <= 0) { 

    62         DPRINT << ": invalid options, restoring initial options";

    63         restorePreferences();

    64     }

    65 

    66     return changed; 

    67 }

    68 

    69 /*!

    70     InfoWidgetPreferences::restorePreferences()

    71     

    72     Restores last acceptable preference set 

    73 */

    74 void InfoWidgetPreferences::restorePreferences()

    75 {

    76     DPRINT;

    77     m_options = m_validatedOptions; 

    78 }

    79 

    80 /*!

    81     InfoWidgetPreferences::preference() 

    82 */

    83 QString InfoWidgetPreferences::preference(Option preferenceId) const

    84 {

    85     DPRINT << ": preference id: " << static_cast<int>(preferenceId); 

    86     

    87     QString preferenceString;

    88     if (m_options.testFlag(preferenceId)) {

    89         preferenceString = DISPLAY_SETTING_ON; 

    90     } else {

    91         preferenceString = DISPLAY_SETTING_OFF;  

    92     } 

    93     

    94     return preferenceString;

    95 }

    96 

    97 /*!

    98     InfoWidgetPreferences::isPreferenceSet()

    99 */

   100 bool InfoWidgetPreferences::isPreferenceSet(Option preferenceId) const

   101 {

   102     DPRINT << ": preference id: " << static_cast<int>(preferenceId); 

   103     return m_options.testFlag(preferenceId); 

   104 }

   105 

   106 /*!

   107     InfoWidgetPreferences::preferences()

   108 */

   109 InfoWidgetPreferences::Options InfoWidgetPreferences::preferences() const

   110 {

   111     return m_options; 

   112 }

   113 

   114 /*!

   115     InfoWidgetPreferences::setPreference() 

   116 */

   117 void InfoWidgetPreferences::setPreference(Option preferenceId, 

   118     const QString& preferenceString)

   119 {

   120     DPRINT << ": preference id: " << static_cast<int>(preferenceId);

   121     DPRINT << ": preference string: " << preferenceString; 

   122     DPRINT << ": initial options: " << m_options;

   123     

   124     if (preferenceString.compare(DISPLAY_SETTING_ON) == 0) {

   125         m_options |= preferenceId; 

   126         emit prefChanged(preferenceId,DisplayOn);

   127     } else {

   128         m_options &= ~preferenceId;

   129         emit prefChanged(preferenceId,DisplayOff);

   130     }

   131     

   132     DPRINT << ": modified options: " << m_options;

   133 }

   134 

   135 /*!

   136     InfoWidgetPreferences::visibleItemCount() 

   137 */

   138 int InfoWidgetPreferences::visibleItemCount() 

   139 {

   140     DPRINT << ": IN";

   141     

   142     int visibleItems = 0;

   143     if (m_options.testFlag(DisplayHomeZone)){

   144         visibleItems++; 

   145     }

   146     if (m_options.testFlag(DisplayMcn)){

   147         visibleItems++; 

   148     }

   149     if (m_options.testFlag(DisplayActiveLine)){

   150         visibleItems++; 

   151     }

   152     if (m_options.testFlag(DisplaySatText)){

   153         visibleItems++; 

   154     }

   155     if (m_options.testFlag(DisplaySpn)){

   156         visibleItems++; 

   157     }

   158     

   159     DPRINT << ": visible item count: " << visibleItems;

   160     return visibleItems; 

   161 }

   162 

   163 /*!

   164     InfoWidgetPreferences::validate() 

   165 */

   166 bool InfoWidgetPreferences::validate() 

   167 {

   168     return visibleItemCount() > 0; 

   169 }

   170 

   171 /*!

   172    InfoWidgetPreferences::preferenceNames()

   173    

   174    Convenience function for getting all preference names

   175 */

   176 QStringList InfoWidgetPreferences::preferenceNames()

   177 {

   178     QStringList preferenceList; 

   179     preferenceList << "spnDisplay" << "homeZoneDisplay" << 

   180             "activeLineDisplay" << "satDisplay" << "mcnDisplay";

   181     return preferenceList; 

   182 }

   183 

   184 

   185 // End of File. 

   186