--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/amms_qt/ammscontrol/audioeffect/inc/cammsreverbcontrolgroup.h Fri May 14 15:47:24 2010 +0300
@@ -0,0 +1,173 @@
+/*
+* Copyright (c) 2005 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: Group for reverb controls
+*
+*/
+
+
+#ifndef CAMMSREVERBCONTROLGROUP_H
+#define CAMMSREVERBCONTROLGROUP_H
+
+// INCLUDES
+#include <e32base.h>
+#include "cammseffectcontrolgroup.h"
+#include <EnvironmentalReverbData.h>
+
+// CONSTANTS
+_LIT(KAMMSReverbControlClassName, ".amms.control.audioeffect.ReverbControl");
+
+// FORWARD DECLARATIONS
+class CAMMSBaseReverbControl;
+class CEnvironmentalReverbUtility;
+
+
+// CLASS DECLARATION
+/**
+ * Group for reverb controls
+ *
+ * @since 3.0
+ */
+NONSHARABLE_CLASS(CAMMSReverbControlGroup): public CAMMSEffectControlGroup
+{
+public: // Constructors and destructor
+
+ /**
+ * Two-phased constructor.
+ */
+ static CAMMSReverbControlGroup* NewLC();
+
+ /**
+ * destructor
+ */
+ ~CAMMSReverbControlGroup();
+
+public: // New functions
+
+ /**
+ * Gets the gain level of the reverberation
+ *
+ * @return the gain level of the reverberation
+ */
+ TInt ReverbLevel();
+
+ /**
+ * Gets the reverberation time, as set either explicitly via
+ * setReverbTime or implicitly via setPreset (whichever was called last).
+ *
+ * @return the reverberation time
+ */
+ TInt ReverbTime();
+
+ /**
+ * Sets the gain level of the reverberation
+ *
+ * @param the gain level of the reverberation to be set
+ */
+ void SetReverbLevelL(TInt aLevel);
+
+ /**
+ * Sets the reverberation time of the reverb
+ *
+ * @param the reverberation time to be set
+ */
+ void SetReverbTimeL(TInt aTime);
+
+private: // New functions
+ /**
+ * Gets control. Ownership is not tranferred.
+ *
+ * @param aIndex Control index.
+ */
+ CAMMSBaseReverbControl* TypeSafeControl(TInt aIndex) const;
+
+ /**
+ * Gets reverb data for the given preset index from the central
+ * repository.
+ * @param aPresetIndex Index of the preset whose reverb is asked.
+ * @param aReverbData Returned data.
+ */
+ void GetReverbDataFromCenRepL(TUint aPresetIndex,
+ TEfEnvReverbDataPckg& aReverbData);
+
+public: // Functions from base classes
+ /**
+ * Returns class name that identifies this control group.
+ *
+ * @return Control group name.
+ */
+ const TDesC16& ClassName();
+
+protected:
+ /**
+ * Called by when a new player is added
+ *
+ * @param aPlayer The player being added
+ * @param aControl The player's control relevant to this group
+ */
+ void NotifyPlayerAddedL(CMMAPlayer *aPlayer, CMMAControl* aControl);
+
+ /**
+ * Called when the current preset changes
+ */
+ void PresetChangedL();
+
+ /**
+ * Finish initialization (after the 1st player is added)
+ */
+ void InitializeL();
+
+ /**
+ * Creates utilities that can be used to obtain preset names
+ * and preset data (needed when the group has no controls).
+ * Does nothing if the utility already exists.
+ */
+ void PrepareEmptyGroupUtilitiesL();
+
+ /**
+ * Deletes utilities that are used to obtain preset names
+ * and preset data (needed when the group has no controls).
+ * Does nothing if the utilities have already been deleted.
+ */
+ void DeleteEmptyGroupUtilities();
+
+ /**
+ * Gets list of preset names available.
+ * @param aPresetNames Returned preset names
+ */
+ void GetPresetNamesL(CDesCArray& aPresetNames);
+
+protected:
+ /**
+ * C++ default constructor.
+ */
+ CAMMSReverbControlGroup();
+
+ /**
+ * Symbian 2nd phase constructor.
+ */
+ void ConstructL();
+
+protected: // data
+
+ // Needed to get preset names when the group has no controls.
+ CEnvironmentalReverbUtility* iEmptyEnvironmentalReverbUtility; // Owned.
+
+ TInt iReverbLevel;
+ TInt iReverbTime;
+ TInt iReverbMinLevel;
+ TInt iReverbMaxLevel;
+
+};
+
+#endif // CAMMSREVERBCONTROLGROUP_H