--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/upnpframework/upnpcommand/src/upnpshowcommand.cpp Thu Dec 17 08:52:00 2009 +0200
@@ -0,0 +1,193 @@
+/*
+* 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: Source file for CUpnpShowCommand class.
+*
+*/
+
+
+// INCLUDE FILES
+#include <upnpshowcommand.h> // CUpnpShowCommand
+#include <upnpcommandobserver.h> // CUpnpCommandObserver
+#include "upnpcommand.h" // CUpnpCommand
+#include "upnpcommandmain.h" // UpnpCommandMain::LoadL
+#include "upnpcommandcallbackadapter.h" // CUpnpCommandCallbackAdapter
+
+// --------------------------------------------------------------------------
+// CUpnpShowCommand::NewL
+// Creates a new UpnpCommand for image and video showing purposes.
+// --------------------------------------------------------------------------
+//
+EXPORT_C CUpnpShowCommand* CUpnpShowCommand::NewL()
+ {
+ // Create new CUpnpShowCommand instance
+ CUpnpShowCommand* self = new (ELeave) CUpnpShowCommand( NULL );
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+// --------------------------------------------------------------------------
+// CUpnpShowCommand::NewL
+// Creates a new UpnpCommand for image and video showing purposes.
+// --------------------------------------------------------------------------
+//
+EXPORT_C CUpnpShowCommand* CUpnpShowCommand::NewL(
+ MUpnpCommandObserver* aObserver )
+ {
+ // Check the availability
+ if( !IsAvailableL() )
+ {
+ User::Leave( KErrNotReady );
+ }
+
+ // Create new CUpnpShowCommand instance
+ CUpnpShowCommand* self = new (ELeave) CUpnpShowCommand( aObserver );
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+// --------------------------------------------------------------------------
+// CUpnpShowCommand::CUpnpShowCommand
+// Constructor
+// --------------------------------------------------------------------------
+//
+CUpnpShowCommand::CUpnpShowCommand( MUpnpCommandObserver* aObserver)
+ {
+ iObserver = NULL;
+ if( aObserver )
+ {
+ iObserver = aObserver;
+ }
+ }
+
+// --------------------------------------------------------------------------
+// CUpnpShowCommand::~CUpnpShowCommand
+// Destructor
+// --------------------------------------------------------------------------
+//
+CUpnpShowCommand::~CUpnpShowCommand()
+ {
+ delete iCommand;
+ iCommand = NULL;
+ delete iAdapter;
+ iAdapter = NULL;
+ }
+
+// --------------------------------------------------------------------------
+// CUpnpShowCommand::ConstructL
+// Second phase constructor
+// --------------------------------------------------------------------------
+//
+void CUpnpShowCommand::ConstructL()
+ {
+ iCommand = UpnpCommandMain::LoadL( UpnpCommand::ECommandShow );
+
+ // Register to observer
+ if( iObserver )
+ {
+ iAdapter = new (ELeave) CUpnpCommandCallbackAdapter( iObserver );
+ iCommand->SetObserver( iAdapter );
+ }
+ }
+
+// --------------------------------------------------------------------------
+// CUpnpShowCommand::StartShowingL
+// Starts showing. Allocates Upnp Framework resources.
+// --------------------------------------------------------------------------
+//
+EXPORT_C void CUpnpShowCommand::StartShowingL()
+ {
+ // Allocate Upnp Fw resources
+ iCommand->AllocateResourcesL();
+ }
+
+// --------------------------------------------------------------------------
+// CUpnpShowCommand::StopShowingL
+// Stops showing. Releases all Upnp Framework resources.
+// --------------------------------------------------------------------------
+//
+EXPORT_C void CUpnpShowCommand::StopShowingL()
+ {
+ // Release Upnp Fw resources
+ iCommand->ReleaseResources();
+
+ // Reset the file pipe
+ iCommand->ResetFiles();
+ }
+
+// --------------------------------------------------------------------------
+// CUpnpShowCommand::ShowImageL
+// Shows the given images on a remote Upnp Media Rendering device.
+// --------------------------------------------------------------------------
+//
+EXPORT_C void CUpnpShowCommand::ShowImageL( const TDesC& aFilename )
+ {
+ // Check param
+ if( aFilename == KNullDesC )
+ {
+ User::Leave( KErrArgument );
+ }
+
+
+ // Push the filename into the parameter pipe
+ iCommand->PushFileL( aFilename );
+
+ // Execute the command
+ iCommand->ExecuteL();
+ }
+
+// --------------------------------------------------------------------------
+// CUpnpShowCommand::ShowVideoL
+// Shows the given video on a remote Upnp Media Rendering device.
+// --------------------------------------------------------------------------
+//
+EXPORT_C void CUpnpShowCommand::ShowVideoL( const TDesC& aFilename )
+ {
+ // Check param
+ if( aFilename == KNullDesC )
+ {
+ User::Leave( KErrArgument );
+ }
+
+
+ // Push the filename into the file pipe
+ iCommand->PushFileL( aFilename );
+
+ // Execute the command
+ iCommand->ExecuteL();
+ }
+
+// --------------------------------------------------------------------------
+// CUpnpShowCommand::IsAvailableL
+// Returns the availability information of the command.
+// --------------------------------------------------------------------------
+//
+EXPORT_C TBool CUpnpShowCommand::IsAvailableL()
+ {
+ // create a temporary plugin instance
+ // then query command availability.
+ TBool available = EFalse;
+ TRAP_IGNORE(
+ CUpnpCommand* temp = UpnpCommandMain::LoadL( UpnpCommand::ECommandShow );
+ CleanupStack::PushL( temp );
+ available = temp->IsAvailableL();
+ CleanupStack::PopAndDestroy( temp );
+ );
+ return available;
+ }
+
+// End of File