phoneplugins/infowidgetplugin/infowidgetprovider/infowidget/src/infowidgetpreferences.cpp
changeset 37 ba76fc04e6c2
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phoneplugins/infowidgetplugin/infowidgetprovider/infowidget/src/infowidgetpreferences.cpp	Fri Jun 04 10:19:18 2010 +0100
@@ -0,0 +1,186 @@
+/*
+ * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+ * All rights reserved.
+ * This component and the accompanying materials are made available
+ * under the terms of "Eclipse Public License v1.0"
+ * which accompanies this distribution, and is available
+ * at the URL "http://www.eclipse.org/legal/epl-v10.html".
+ *
+ * Initial Contributors:
+ * Nokia Corporation - initial contribution.
+ *
+ * Contributors:
+ *
+ * Description:
+ *
+ */
+
+#include "infowidgetpreferences.h"
+#include "infowidgetlogging.h"
+
+/*!
+  \class InfoWidgetPreferences
+  \brief Preference store for widget  
+         display etc. options   
+*/
+
+
+/*!
+    InfoWidgetPreferences::InfoWidgetPreferences() 
+*/
+InfoWidgetPreferences::InfoWidgetPreferences(QObject *parent): 
+    QObject(parent)
+{
+    DPRINT;
+}
+
+/*!
+    InfoWidgetPreferences::~InfoWidgetPreferences() 
+*/
+InfoWidgetPreferences::~InfoWidgetPreferences()
+{
+    DPRINT;
+}
+
+/*!
+    InfoWidgetPreferences::storePreferences()
+    
+    Store acceptable preference set  
+*/
+bool InfoWidgetPreferences::storePreferences()
+{
+    DPRINT;
+    bool changed(false); 
+    
+    if (validate() && 
+        m_validatedOptions != m_options){
+            DPRINT << ": preferences differ";
+            changed = true; 
+            m_validatedOptions = m_options;
+        }
+    else if (visibleItemCount() <= 0) { 
+        DPRINT << ": invalid options, restoring initial options";
+        restorePreferences();
+    }
+
+    return changed; 
+}
+
+/*!
+    InfoWidgetPreferences::restorePreferences()
+    
+    Restores last acceptable preference set 
+*/
+void InfoWidgetPreferences::restorePreferences()
+{
+    DPRINT;
+    m_options = m_validatedOptions; 
+}
+
+/*!
+    InfoWidgetPreferences::preference() 
+*/
+QString InfoWidgetPreferences::preference(Option preferenceId) const
+{
+    DPRINT << ": preference id: " << static_cast<int>(preferenceId); 
+    
+    QString preferenceString;
+    if (m_options.testFlag(preferenceId)) {
+        preferenceString = DISPLAY_SETTING_ON; 
+    } else {
+        preferenceString = DISPLAY_SETTING_OFF;  
+    } 
+    
+    return preferenceString;
+}
+
+/*!
+    InfoWidgetPreferences::isPreferenceSet()
+*/
+bool InfoWidgetPreferences::isPreferenceSet(Option preferenceId) const
+{
+    DPRINT << ": preference id: " << static_cast<int>(preferenceId); 
+    return m_options.testFlag(preferenceId); 
+}
+
+/*!
+    InfoWidgetPreferences::preferences()
+*/
+InfoWidgetPreferences::Options InfoWidgetPreferences::preferences() const
+{
+    return m_options; 
+}
+
+/*!
+    InfoWidgetPreferences::setPreference() 
+*/
+void InfoWidgetPreferences::setPreference(Option preferenceId, 
+    const QString& preferenceString)
+{
+    DPRINT << ": preference id: " << static_cast<int>(preferenceId);
+    DPRINT << ": preference string: " << preferenceString; 
+    DPRINT << ": initial options: " << m_options;
+    
+    if (preferenceString.compare(DISPLAY_SETTING_ON) == 0) {
+        m_options |= preferenceId; 
+        emit prefChanged(preferenceId,DisplayOn);
+    } else {
+        m_options &= ~preferenceId;
+        emit prefChanged(preferenceId,DisplayOff);
+    }
+    
+    DPRINT << ": modified options: " << m_options;
+}
+
+/*!
+    InfoWidgetPreferences::visibleItemCount() 
+*/
+int InfoWidgetPreferences::visibleItemCount() 
+{
+    DPRINT << ": IN";
+    
+    int visibleItems = 0;
+    if (m_options.testFlag(DisplayHomeZone)){
+        visibleItems++; 
+    }
+    if (m_options.testFlag(DisplayMcn)){
+        visibleItems++; 
+    }
+    if (m_options.testFlag(DisplayActiveLine)){
+        visibleItems++; 
+    }
+    if (m_options.testFlag(DisplaySatText)){
+        visibleItems++; 
+    }
+    if (m_options.testFlag(DisplaySpn)){
+        visibleItems++; 
+    }
+    
+    DPRINT << ": visible item count: " << visibleItems;
+    return visibleItems; 
+}
+
+/*!
+    InfoWidgetPreferences::validate() 
+*/
+bool InfoWidgetPreferences::validate() 
+{
+    return visibleItemCount() > 0; 
+}
+
+/*!
+   InfoWidgetPreferences::preferenceNames()
+   
+   Convenience function for getting all preference names
+*/
+QStringList InfoWidgetPreferences::preferenceNames()
+{
+    QStringList preferenceList; 
+    preferenceList << "spnDisplay" << "homeZoneDisplay" << 
+            "activeLineDisplay" << "satDisplay" << "mcnDisplay";
+    return preferenceList; 
+}
+
+
+// End of File. 
+