bluetoothengine/btnotif/btnotifsrv/src/btnotificationmanager.cpp
branchRCL_3
changeset 22 613943a21004
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bluetoothengine/btnotif/btnotifsrv/src/btnotificationmanager.cpp	Tue Aug 31 15:25:10 2010 +0300
@@ -0,0 +1,156 @@
+/*
+* 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: Class for managing user notification and query objects, 
+* and for serializing access to the notification server.
+*
+*/
+
+#include "btnotificationmanager.h"
+#include "btnotifserver.h"
+
+#include "bluetoothnotification.h"
+
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// C++ default constructor
+// ---------------------------------------------------------------------------
+//
+CBTNotificationManager::CBTNotificationManager( const CBTNotifServer* aServer )
+:   iServer( aServer )
+    {
+    }
+
+
+// ---------------------------------------------------------------------------
+// Symbian 2nd-phase constructor
+// ---------------------------------------------------------------------------
+//
+void CBTNotificationManager::ConstructL()
+    {
+    }
+
+
+// ---------------------------------------------------------------------------
+// NewL.
+// ---------------------------------------------------------------------------
+//
+CBTNotificationManager* CBTNotificationManager::NewL( const CBTNotifServer* aServer )
+    {
+    CBTNotificationManager* self = new( ELeave ) CBTNotificationManager( aServer );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+//
+CBTNotificationManager::~CBTNotificationManager()
+    {
+    BOstraceFunctionEntry0( DUMMY_DEVLIST );
+    iNotificationQ.ResetAndDestroy();
+    iNotificationQ.Close();
+    BOstraceFunctionExit0( DUMMY_DEVLIST );
+    }
+
+
+// ---------------------------------------------------------------------------
+// Get a new notification
+// ---------------------------------------------------------------------------
+//
+CBluetoothNotification* CBTNotificationManager::GetNotification()
+    {
+    BOstraceFunctionEntry0( DUMMY_DEVLIST );
+    CBluetoothNotification* notification = NULL;
+    TRAP_IGNORE( notification = CBluetoothNotification::NewL( this ) );
+    if( notification )
+        {
+        if( iNotificationQ.Append( notification ) )
+            {
+            // In case the appending fails, we just delete the notification.
+            // Otherwise we cannot keep track of it anymore.
+            delete notification;
+            notification = NULL;
+            }
+        }
+    BOstraceFunctionExit0( DUMMY_DEVLIST );
+    return notification;
+    }
+
+
+// ---------------------------------------------------------------------------
+// Release the notification
+// ---------------------------------------------------------------------------
+//
+void CBTNotificationManager::ReleaseNotification( CBluetoothNotification* aNotification )
+    {
+    BOstraceFunctionEntry0( DUMMY_DEVLIST );
+    __ASSERT_ALWAYS( aNotification, PanicServer( EBTNotifPanicBadArgument ) );
+    TInt pos = iNotificationQ.Find( aNotification );
+    __ASSERT_ALWAYS( pos > KErrNotFound, PanicServer( EBTNotifPanicMissing ) );
+    delete iNotificationQ[pos];
+    iNotificationQ.Remove( pos );
+    iNotificationQ.Compress();
+    BOstraceFunctionExit0( DUMMY_DEVLIST );
+    }
+
+
+// ---------------------------------------------------------------------------
+// Queue the notification with given priority
+// ---------------------------------------------------------------------------
+//
+void CBTNotificationManager::QueueNotificationL(
+        CBluetoothNotification* aNotification,
+        TNotificationPriority aPriority )
+    {
+    BOstraceFunctionEntry0( DUMMY_DEVLIST );
+    (void) aPriority;
+    TInt pos = iNotificationQ.Find( aNotification );
+    __ASSERT_ALWAYS( pos > KErrNotFound, PanicServer( EBTNotifPanicMissing ) );
+    // Always move the newly added notification on top
+    if(pos != 0 )
+        {
+        CBluetoothNotification* notification = NULL;
+        notification = iNotificationQ[pos];
+        iNotificationQ.Remove( pos );
+        iNotificationQ.InsertL(notification,0);
+        }
+    ProcessNotificationQueueL();
+    BOstraceFunctionExit0( DUMMY_DEVLIST );
+    }
+
+// ---------------------------------------------------------------------------
+// Process the notification queue and launch the next notification.
+// ---------------------------------------------------------------------------
+//
+void CBTNotificationManager::ProcessNotificationQueueL()
+    {
+    BOstraceFunctionEntry0( DUMMY_DEVLIST );
+    if( iNotificationQ.Count() )
+        {
+        iNotificationQ[0]->ShowL();
+        }
+    else
+        {
+        // No outstanding notifications
+        iNotificationQ.Compress(); // the queue is empty, reset it.
+        }
+    BOstraceFunctionExit0( DUMMY_DEVLIST );
+    }
+