--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browserplugins/browseraudiovideoplugin/src/BavpHwKeyEvents.cpp	Mon Mar 30 12:49:49 2009 +0300
@@ -0,0 +1,211 @@
+/*
+* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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:  Class which implements handling Hardware Volume Key events.
+*				  This class implements methods of MRemConCoreApiTargetObserver
+*
+*/
+
+
+// INCLUDE FILES
+#include <RemConCoreApiTarget.h>
+#include <remconinterfaceselector.h>
+#include <aknconsts.h>                      // KAknStandardKeyboardRepeatRate
+
+#include "BavpHwKeyEvents.h"
+#include "BavpLogger.h"
+
+// CONSTANTS    
+const TInt KVolumeFirstChangePeriod = KAknKeyboardRepeatInitialDelay;
+const TInt KVolumeChangePeriod = KAknStandardKeyboardRepeatRate;
+const TInt KVolumeChangeUp = 1;      
+const TInt KVolumeChangeDown = -1;   
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CBavpHwKeyEvents::NewL
+// Two-phased constructor.
+// ----------------------------------------------------------------------------
+CBavpHwKeyEvents* CBavpHwKeyEvents::NewL( MBavpHwKeyEventsObserver& aObserver )
+    {
+	Log( EFalse, _L("CBavpHwKeyEvents::NewL") );
+
+    CBavpHwKeyEvents* self = new ( ELeave ) CBavpHwKeyEvents( aObserver );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+    
+// ----------------------------------------------------------------------------
+// CBavpHwKeyEvents::~CBavpHwKeyEvents
+//  Destructor
+// ----------------------------------------------------------------------------
+CBavpHwKeyEvents::~CBavpHwKeyEvents()
+    {    
+	Log( EFalse, _L("CBavpHwKeyEvents::~CBavpHwKeyEvents") );
+
+    if ( iVolumeTimer )
+        {
+        iVolumeTimer->Cancel();
+        delete iVolumeTimer;
+        }
+    
+    delete iInterfaceSelector;
+    iCoreTarget = NULL; // For LINT. Owned by iInterfaceSelector
+    }
+
+// ----------------------------------------------------------------------------
+// CBavpHwKeyEvents::CBavpHwKeyEvents
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// ----------------------------------------------------------------------------
+CBavpHwKeyEvents::CBavpHwKeyEvents( MBavpHwKeyEventsObserver& aObserver )
+    : iObserver( aObserver )
+    {    
+    }
+    
+// -----------------------------------------------------------------------------
+// CBavpHwKeyEvents::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+void CBavpHwKeyEvents::ConstructL( )
+    {
+	Log( EFalse, _L("CBavpHwKeyEvents::ConstructL") );
+    
+    iInterfaceSelector = CRemConInterfaceSelector::NewL();
+
+    // Owned by iInterfaceSelector
+    iCoreTarget = CRemConCoreApiTarget::NewL( *iInterfaceSelector, *this ); 
+    iInterfaceSelector->OpenTargetL();
+    
+    // Volume key pressed and held (repeat) timer.
+    iVolumeTimer = CPeriodic::NewL( EPriorityNormal );
+    }
+
+// ----------------------------------------------------------------------------
+// CBavpHwKeyEvents::MrccatoCommand
+// Handles hardware key events. The volume up/down keys can be clicked once,
+// for volume to increase/decrease one increment, or held down and the volume
+// will increase/decrease gradually until the limit is reached. The transport
+// keys (play, pause,..) will call the HandleCommandL method on the controller.
+// ----------------------------------------------------------------------------
+void CBavpHwKeyEvents::MrccatoCommand( TRemConCoreApiOperationId aOperationId, 
+                                       TRemConCoreApiButtonAction aButtonAct )
+    {
+	Log( EFalse, _L("CBavpHwKeyEvents::MrccatoCommand, OpID"), aOperationId );
+
+    switch ( aOperationId )
+        {
+        case ERemConCoreApiVolumeUp:
+            {
+            switch ( aButtonAct )
+                {
+                case ERemConCoreApiButtonPress:
+                    {
+                    // Volume up held down for 0.6 seconds
+                    iChange = KVolumeChangeUp;
+                    iVolumeTimer->Start( KVolumeFirstChangePeriod,
+                                         KVolumeChangePeriod, 
+                                         TCallBack( VolumeTimerCallback, this ) );
+                    break;
+                    }
+                case ERemConCoreApiButtonClick:
+                    {
+                    // Volume up clicked once
+                    iChange = KVolumeChangeUp;
+                    DoChangeVolume();
+                    break;
+                    }
+                case ERemConCoreApiButtonRelease:
+                    {
+                    // Volume up key released, stop timer
+                    iVolumeTimer->Cancel();
+                    break;
+                    }
+                default:
+                    {
+                    // Never hits this
+                    break;
+                    }
+                }
+            break;
+            }
+        case ERemConCoreApiVolumeDown:
+            {
+            switch ( aButtonAct )
+                {
+                case ERemConCoreApiButtonPress:
+                    {
+                    // Volume down key held for 0.6 seconds
+                    iChange = KVolumeChangeDown;
+                    iVolumeTimer->Start( KVolumeFirstChangePeriod,
+                                         KVolumeChangePeriod, 
+                                         TCallBack( VolumeTimerCallback, this ) );
+                    break;
+                    }
+                case ERemConCoreApiButtonClick:
+                    {
+                    // Volume down clicked once
+                    iChange = KVolumeChangeDown;
+                    DoChangeVolume();
+                    break;
+                    }
+                case ERemConCoreApiButtonRelease:
+                    {
+                    // Volume down key released, stop timer
+                    iVolumeTimer->Cancel();
+                    break;
+                    }
+                default:
+                    {
+                    // Never hits this
+                    break;
+                    }
+                }
+            break;
+            }
+        default:
+            {
+            // Don’t do anything here.
+            break;
+            }
+        }
+    }
+
+// ----------------------------------------------------------------------------
+// CBavpHwKeyEvents::DoChangeVolume( )
+// Change volume depending on the level of increase or decrease
+// ----------------------------------------------------------------------------
+void CBavpHwKeyEvents::DoChangeVolume( )
+    {
+	Log( EFalse, _L("CBavpHwKeyEvents::DoChangeVolume") );
+
+    iObserver.BavpHwKeyVolumeChange( iChange );
+    }
+
+// ----------------------------------------------------------------------------
+// CBavpHwKeyEvents::ChangeVolume
+// Method call to change volume
+// ----------------------------------------------------------------------------
+TInt CBavpHwKeyEvents::VolumeTimerCallback( TAny* aObject )
+    {
+    // cast, and call non-static function
+    static_cast<CBavpHwKeyEvents*>( aObject )->DoChangeVolume( );
+    return KErrNone;
+    }
+        
+// End of File
+
+