phoneengine/audiohandling/src/cpeaudioeffect.cpp
changeset 27 2f8f8080a020
child 76 cfea66083b62
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phoneengine/audiohandling/src/cpeaudioeffect.cpp	Mon May 03 12:31:11 2010 +0300
@@ -0,0 +1,153 @@
+/*
+ * Copyright (c) 2010 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:  TMS AudioEffect.
+ *
+ */
+
+#include <glib.h>
+#include <tms.h>
+#include <tmsfactory.h>
+#include <tmsglobalvoleffect.h>
+#include <tmsglobalgaineffect.h>
+#include "cpeaudioeffect.h"
+#include "pepanic.pan"
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// Static constructor
+// ---------------------------------------------------------------------------
+//
+CPEAudioEffect* CPEAudioEffect::NewL(TMSEffectObserver& aObserver)
+    {
+    CPEAudioEffect* self = CPEAudioEffect::NewLC(aObserver);
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// Static constructor
+// ---------------------------------------------------------------------------
+//
+CPEAudioEffect* CPEAudioEffect::NewLC(TMSEffectObserver& aObserver)
+    {
+    CPEAudioEffect* self = new (ELeave) CPEAudioEffect();
+    CleanupStack::PushL(self);
+    self->ConstructL(aObserver);
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// CPEAudioEffect::CPEAudioEffect
+// ---------------------------------------------------------------------------
+//
+CPEAudioEffect::CPEAudioEffect()
+    {
+    }
+
+// ---------------------------------------------------------------------------
+// Second phase constructor
+// ---------------------------------------------------------------------------
+//
+void CPEAudioEffect::ConstructL(TMSEffectObserver& aObserver)
+    {
+    TMSVer* v = NULL;
+    TInt err(KErrNotFound);
+    TMSFactory::CreateFactory(iFactory, *v);
+    if (iFactory)
+        {
+        err = iFactory->CreateEffect(TMS_EFFECT_GLOBAL_GAIN, iGlobalGain);
+        err |= iFactory->CreateEffect(TMS_EFFECT_GLOBAL_VOL, iGlobalVol);
+        }
+    if (err)
+        {
+        User::Leave(KErrNotFound);
+        }
+    err = static_cast<TMSGlobalVolEffect*>(iGlobalVol)->AddObserver(aObserver,
+            NULL);
+    User::LeaveIfError(err);
+    }
+
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+//
+CPEAudioEffect::~CPEAudioEffect()
+    {
+    iFactory->DeleteEffect(iGlobalGain);
+    iFactory->DeleteEffect(iGlobalVol);
+    delete iFactory;
+    }
+
+// ---------------------------------------------------------------------------
+// CPEAudioEffect::SetMuteState(TBool aMute)
+// ---------------------------------------------------------------------------
+//
+TInt CPEAudioEffect::SetMuteState(TBool aMute)
+    {
+    __ASSERT_DEBUG(iGlobalGain, Panic(EPEPanicBadHandle));
+    guint value(0);
+    TInt err(KErrNotFound);
+    if (aMute)
+        {
+        err = static_cast<TMSGlobalGainEffect*>(iGlobalGain)->SetLevel(0);
+        }
+    else
+        {
+        err = static_cast<TMSGlobalGainEffect*>(iGlobalGain)->GetMaxLevel(
+                value);
+        if (err == TMS_RESULT_SUCCESS)
+            {
+            err = static_cast<TMSGlobalGainEffect*>(iGlobalGain)->SetLevel(
+                    value);
+            }
+        }
+    return err;
+    }
+
+// ---------------------------------------------------------------------------
+// CPEAudioEffect::SetUnmuted
+// ---------------------------------------------------------------------------
+//
+TBool CPEAudioEffect::MuteState() const
+    {
+    __ASSERT_DEBUG(iGlobalGain, Panic(EPEPanicBadHandle));
+    guint value;
+    static_cast<TMSGlobalGainEffect*>(iGlobalGain)->GetLevel(value);
+    return (value == 0) ? ETrue : EFalse;
+    }
+
+// ---------------------------------------------------------------------------
+// CPEAudioEffect::SetVolume
+// ---------------------------------------------------------------------------
+//
+void CPEAudioEffect::SetVolume(TInt aVolume)
+    {
+    __ASSERT_DEBUG(iGlobalVol, Panic(EPEPanicBadHandle));
+    static_cast<TMSGlobalVolEffect*>(iGlobalVol)->SetLevel(aVolume);
+    }
+
+// ---------------------------------------------------------------------------
+// CPEAudioEffect::Volume
+// ---------------------------------------------------------------------------
+//
+TInt CPEAudioEffect::Volume() const
+    {
+    __ASSERT_DEBUG(iGlobalVol, Panic(EPEPanicBadHandle));
+    guint value(0);
+    static_cast<TMSGlobalVolEffect*>(iGlobalVol)->GetLevel(value);
+    return value;
+    }
+
+//  End of File