--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/bluetoothengine/btaudioman/src/basrvpluginman.cpp Mon Jan 18 20:28:57 2010 +0200
@@ -0,0 +1,172 @@
+/*
+* Copyright (c) 2005-2009 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.
+* Version : %version: 1.1.2.2.7 %
+*
+* Contributors:
+*
+* Description:
+* Loads/unloads plugins and handles messaging between plugins and server class.
+*
+*/
+
+
+// INCLUDE FILES
+#include <e32std.h> // User:: ( User class declaration )
+#include <btaccPluginUid.h>
+#include "btaccTypes.h"
+#include "basrvpluginman.h"
+#include "btaccObserver.h"
+#include "btaccPlugin.h" // Plugin interface
+#include "debug.h"
+#include "btaccParams.h" // T-class consisting of parameteres sent to plugins
+#include "utils.h"
+
+// CONSTANTS
+
+// ================= MEMBER FUNCTIONS =======================
+
+// ---------------------------------------------------------
+// NewL
+// ---------------------------------------------------------
+//
+CBasrvPluginMan* CBasrvPluginMan::NewL()
+ {
+ CBasrvPluginMan* self=new(ELeave) CBasrvPluginMan();
+ return self;
+ }
+
+// Destructor
+CBasrvPluginMan::~CBasrvPluginMan()
+ {
+ TRACE_FUNC
+ UnloadPlugins();
+ iPlugins.Close();
+ }
+
+void CBasrvPluginMan::AccInUse()
+ {
+ TRACE_FUNC
+ TInt count = iPlugins.Count();
+ for (TInt i = 0; i < count; i++)
+ {
+ iPlugins[i]->AccInUse();
+ }
+ }
+
+void CBasrvPluginMan::AccOutOfUse()
+ {
+ TRACE_FUNC
+ TInt count = iPlugins.Count();
+ for (TInt i = 0; i < count; i++)
+ {
+ iPlugins[i]->AccOutOfUse();
+ }
+ }
+
+TInt CBasrvPluginMan::AvailablePlugins()
+ {
+ TInt avai = 0;
+ TInt count = iPlugins.Count();
+ for (TInt i = 0; i < count; i++)
+ {
+ avai |= iPlugins[i]->PluginType();
+ }
+ return avai;
+ }
+
+void CBasrvPluginMan::LoadPluginsL(MBTAccObserver& aObserver)
+ {
+ TRACE_FUNC
+ if (iPlugins.Count())
+ {
+ return;
+ }
+ const TUid KUidBTAccPluginInterface = TUid::Uid(KBTAccPluginInterfaceUid);
+ RImplInfoPtrArray implementations;
+ const TEComResolverParams noResolverParams;
+ REComSession::ListImplementationsL(KUidBTAccPluginInterface,
+ noResolverParams,
+ KRomOnlyResolverUid,
+ implementations);
+ CleanupResetDestroyClosePushL(implementations);
+ const TUint count = implementations.Count();
+
+ TRACE_INFO((_L("number of implementations of plugin interface: %d"), count))
+ CBTAccPlugin* plugin( NULL );
+ TInt err;
+ for (TUint i = 0 ; i < count; ++i)
+ {
+ CImplementationInformation* impl = implementations[i];
+ TPluginParams params(impl->ImplementationUid(), aObserver);
+ // If loading a plugin failed,
+ // the consequence is the service provided by this plugin is not available.
+ // Other services that have been successfully loaded are still usable.
+ TRAP( err, plugin = CBTAccPlugin::NewL(params) );
+ if ( !err )
+ {
+ CleanupStack::PushL(plugin);
+ iPlugins.AppendL(plugin);
+ CleanupStack::Pop(plugin);
+ }
+ TRACE_INFO((_L("Load plugin \'%S\', err %d"), &(impl->DisplayName()), err ) );
+ }
+
+ CleanupStack::PopAndDestroy(&implementations);
+ if (!iPlugins.Count())
+ {
+ LEAVE(KErrNotFound);
+ }
+ }
+
+// ---------------------------------------------------------
+// CBasrvPluginMan::UnloadPlugins
+// ---------------------------------------------------------
+//
+void CBasrvPluginMan::UnloadPlugins()
+ {
+ TRACE_FUNC
+ iPlugins.ResetAndDestroy();
+ REComSession::FinalClose();
+ }
+
+CBTAccPlugin* CBasrvPluginMan::Plugin(TProfiles aProfile)
+ {
+ TInt count = iPlugins.Count();
+ for (TInt i = 0; i < count; i++)
+ {
+ if (iPlugins[i]->PluginType() & aProfile)
+ {
+ return iPlugins[i];
+ }
+ }
+ return NULL;
+ }
+
+TInt CBasrvPluginMan::AudioLinkLatency()
+ {
+ TRACE_FUNC
+ CBTAccPlugin* plugin = Plugin(EAnyMonoAudioProfiles);
+
+ if (plugin)
+ {
+ return plugin->AudioLinkLatency();
+ }
+ else
+ {
+ return 0;
+ }
+ }
+
+CBasrvPluginMan::CBasrvPluginMan()
+ {
+ }
+
+// End of file