srsf/speechsynthesis/tsrc/texttospeech/src/texttospeechsettingitemlist.cpp
branchRCL_3
changeset 19 e36f3802f733
parent 0 bf1d17376201
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/srsf/speechsynthesis/tsrc/texttospeech/src/texttospeechsettingitemlist.cpp	Wed Sep 01 12:29:17 2010 +0100
@@ -0,0 +1,349 @@
+/*
+* Copyright (c) 2007 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 "texttospeechappui.h"
+#include "texttospeechengine.h"
+#include "texttospeechsettingitemlist.h"
+#include "texttospeechsettingitemlistsettings.h"
+#include "texttospeech.hrh"
+
+/**
+ * Construct the CTextToSpeechSettingItemList instance
+ * @param aCommandObserver command observer
+ */ 
+CTextToSpeechSettingItemList::CTextToSpeechSettingItemList( 
+    CTextToSpeechSettingItemListSettings& aSettings, 
+    MEikCommandObserver* aCommandObserver ) :
+    iSettings( aSettings ), 
+    iCommandObserver( aCommandObserver )
+    {
+    }
+    
+/** 
+ * Destroy any instance variables
+ */
+CTextToSpeechSettingItemList::~CTextToSpeechSettingItemList()
+    {
+    }
+
+/**
+ * Handle system notification that the container's size has changed.
+ */
+void CTextToSpeechSettingItemList::SizeChanged()
+    {
+    if ( ListBox() ) 
+        {
+        ListBox()->SetRect( Rect() );
+        }
+    }
+
+/**
+ * Create one setting item at a time, identified by id.
+ * CAknSettingItemList calls this method and takes ownership
+ * of the returned value.  The CAknSettingItem object owns
+ * a reference to the underlying data, which EditItemL() uses
+ * to edit and store the value.
+ */
+CAknSettingItem* CTextToSpeechSettingItemList::CreateSettingItemL( TInt aId )
+    {
+    CAknSettingItem* item( NULL );    
+    
+    switch ( aId )
+        {
+        case ETextToSpeechSettingItemListViewEdit1:
+            {            
+            item = new (ELeave) CAknTextSettingItem( aId, iSettings.Edit1() );
+            
+            break;
+            }
+        case ETextToSpeechSettingItemListViewEnumeratedTextPopup1:
+            {            
+            item = new (ELeave) CAknEnumeratedTextPopupSettingItem( 
+                aId, iSettings.EnumeratedTextPopup1() );
+                    
+            break;
+            }
+        case ETextToSpeechSettingItemListViewEnumeratedTextPopup2:
+            {            
+            item = new (ELeave) CAknEnumeratedTextPopupSettingItem( 
+                aId, iSettings.EnumeratedTextPopup2() );
+                    
+            break;
+            }
+        case ETextToSpeechSettingItemListViewSlider1:
+            {            
+            item = new (ELeave) CAknSliderSettingItem( 
+                aId, iSettings.Slider1() );
+            
+            break;
+            }
+        }
+        
+    return item;
+    }
+    
+/**
+ * Edit the setting item identified by the given id and store
+ * the changes into the store.
+ * @param aIndex the index of the setting item in SettingItemArray()
+ * @param aCalledFromMenu true: a menu item invoked editing, thus
+ *    always show the edit page and interactively edit the item;
+ *    false: change the item in place if possible, else show the edit page
+ */
+void CTextToSpeechSettingItemList::EditItemL ( TInt aIndex, TBool aCalledFromMenu )
+    {
+    CAknSettingItemList::EditItemL( aIndex, aCalledFromMenu );
+
+    CAknSettingItem* item = ( *SettingItemArray() )[aIndex];
+    
+    TInt tmp1;
+    TInt tmp2;
+    
+    switch ( item->Identifier() )
+        {
+        case ETextToSpeechSettingItemListViewEnumeratedTextPopup1:
+            
+            tmp1 = iSettings.EnumeratedTextPopup1();
+            item->StoreL();
+            tmp2 = iSettings.EnumeratedTextPopup1();
+
+            if ( tmp1 != tmp2 )
+                {
+                TLanguage lang = 
+                    iSettings.iLanguages[iSettings.EnumeratedTextPopup1()];
+
+                iSettings.iVoices.Reset();
+                iEngine->GetVoicesL( iSettings.iVoices, lang );
+            
+                LoadVoicesL( ETrue ); 
+                
+                iSettings.iVoice = 
+                    iSettings.iVoices[iSettings.EnumeratedTextPopup2()];
+
+                HandleSliderVisibility();
+                HandleChangeInItemArrayOrVisibilityL();
+                }
+            
+            break;
+
+        case ETextToSpeechSettingItemListViewEnumeratedTextPopup2:
+            
+            tmp1 = iSettings.EnumeratedTextPopup2();
+            item->StoreL();
+            tmp2 = iSettings.EnumeratedTextPopup2();
+
+            if ( tmp1 != tmp2 )
+                {
+                iSettings.iVoice = 
+                    iSettings.iVoices[iSettings.EnumeratedTextPopup2()];
+                }
+            
+            HandleSliderVisibility(); 
+            HandleChangeInItemArrayOrVisibilityL();
+                
+            break;
+        
+        default:
+        
+            break;
+                
+        }
+        
+    item->StoreL();
+    }
+    
+/**
+ *    Handle the "Change" option on the Options menu.  This is an
+ *    alternative to the Selection key that forces the settings page
+ *    to come up rather than changing the value in place (if possible).
+ */
+void CTextToSpeechSettingItemList::ChangeSelectedItemL()
+    {
+    if ( ListBox()->CurrentItemIndex() >= 0 )
+        {
+        EditItemL( ListBox()->CurrentItemIndex(), ETrue );
+        }
+    }
+
+/**
+ *    Load the initial contents of the setting items.  By default,
+ *    the setting items are populated with the default values from
+ *     the design.  You can override those values here.
+ *    <p>
+ *    Note: this call alone does not update the UI.  
+ *    LoadSettingsL() must be called afterwards.
+ */
+void CTextToSpeechSettingItemList::LoadSettingValuesL()
+    {
+
+    iEngine = (((CTextToSpeechAppUi*)iEikonEnv->AppUi())->AppEngine());
+
+    iSettings.iVolume    = iEngine->VolumeL();
+    iSettings.iMaxVolume = iEngine->MaxVolumeL();
+    iSettings.iVoice     = iEngine->VoiceL();
+    
+    iSettings.iLanguages.Reset();
+    iEngine->GetLanguagesL( iSettings.iLanguages );
+    
+    iSettings.iVoices.Reset();
+    iEngine->GetVoicesL( iSettings.iVoices, iSettings.iVoice.iLanguage );
+    
+    LoadLanguagesL();
+    LoadVoicesL( EFalse );
+    
+    iSettings.SetSlider1( iEngine->SpeakingRateL() );
+    CAknSettingItem* sliderItem = ( *SettingItemArray() )[3];
+    sliderItem->LoadL();
+
+    HandleSliderVisibility();
+        
+    // Required when there is only one setting item.
+    SettingItemArray()->RecalculateVisibleIndicesL();
+
+    HandleChangeInItemArrayOrVisibilityL();		
+    }
+    
+/**
+ * Add correct languages to popup list
+ */
+void CTextToSpeechSettingItemList::LoadLanguagesL()
+    {
+    CAknSettingItemArray* itemArray = SettingItemArray();
+    CAknEnumeratedTextPopupSettingItem* item = 
+        (CAknEnumeratedTextPopupSettingItem*) (*itemArray)[1];
+    
+	// Load texts dynamically.
+	CArrayPtr<CAknEnumeratedText>* texts = item->EnumeratedTextArray();
+	texts->ResetAndDestroy();
+    
+	CAknEnumeratedText* enumText( NULL );
+	
+	TInt selectedItem( 0 );
+	
+	for ( TInt i( 0 ); i < iSettings.iLanguages.Count(); i++ ) 
+	    {
+	    TLanguage lang( iSettings.iLanguages[i] );
+	    
+	    TBuf<8> tmp;	    
+	    tmp.Num( (TInt)lang );
+	    
+	    HBufC* text = tmp.AllocLC();
+	    
+        enumText = new (ELeave) CAknEnumeratedText( i, text );
+        
+    	CleanupStack::PushL( enumText );
+	    texts->AppendL( enumText );
+	    CleanupStack::Pop( enumText );
+	    
+	    CleanupStack::Pop( text );
+	    
+	    if ( lang == iSettings.iVoice.iLanguage )
+	        {
+	        selectedItem = i;
+	        }
+	    }
+	
+	iSettings.SetEnumeratedTextPopup1( selectedItem );
+	item->LoadL();
+    }
+
+/**
+ * Add correct voice names to popup list
+ */    
+void CTextToSpeechSettingItemList::LoadVoicesL( TBool aResetSelection )
+    {
+    CAknSettingItemArray* itemArray = SettingItemArray();
+    CAknEnumeratedTextPopupSettingItem* item = 
+        (CAknEnumeratedTextPopupSettingItem*) (*itemArray)[2];
+
+	// Load texts dynamically.
+	CArrayPtr<CAknEnumeratedText>* texts = item->EnumeratedTextArray();
+	texts->ResetAndDestroy();
+
+	CAknEnumeratedText* enumText( NULL );
+	
+	TInt selectedItem( 0 );
+	
+	for ( TInt i( 0 ); i < iSettings.iVoices.Count(); i++ ) 
+	    {
+	    HBufC* text = iSettings.iVoices[i].iVoiceName.AllocLC();	    
+        enumText = new (ELeave) CAknEnumeratedText( i, text );
+        CleanupStack::Pop( text );
+
+    	CleanupStack::PushL( enumText );
+	    texts->AppendL( enumText );
+	    CleanupStack::Pop( enumText );
+	    
+	    if ( !aResetSelection && 
+	         iSettings.iVoices[i].iVoiceName == iSettings.iVoice.iVoiceName  )
+	        {
+	        selectedItem = i;
+	        }
+	    }
+	
+	iSettings.SetEnumeratedTextPopup2( selectedItem );
+	item->LoadL();
+    }
+
+/**
+ * Hide slider if current voice doesn't support speaking rate, 
+ * otherwise show it. 
+ */
+void CTextToSpeechSettingItemList::HandleSliderVisibility()
+    {
+    CAknSettingItem* sliderItem = ( *SettingItemArray() )[3];
+    
+    if ( iSettings.iVoice.iVoiceName == _L("DefaultMale") || 
+         iSettings.iVoice.iVoiceName == _L("DefaultFemale") )
+        {
+        sliderItem->SetHidden( ETrue );
+        }
+    else
+        {
+        sliderItem->SetHidden( EFalse );
+        }
+    }
+
+/** 
+ * Handle key event (override)
+ * @param aKeyEvent key event
+ * @param aType event code
+ * @return EKeyWasConsumed if the event was handled, else EKeyWasNotConsumed
+ */
+TKeyResponse CTextToSpeechSettingItemList::OfferKeyEventL( const TKeyEvent& aKeyEvent, 
+                                                           TEventCode aType )
+    {
+    TKeyResponse response( EKeyWasConsumed );
+    
+    if ( aKeyEvent.iCode == EKeyLeftArrow )
+        {
+        iCommandObserver->ProcessCommandL( EKeyDecVolume );
+        }
+    else if ( aKeyEvent.iCode == EKeyRightArrow )
+        {
+        iCommandObserver->ProcessCommandL( EKeyIncVolume );
+        }
+    else
+        {
+        response = CAknSettingItemList::OfferKeyEventL( aKeyEvent, aType );
+        }
+    
+    return response;
+    }
+
+// End of file