--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bluetoothengine/bthid/mouse/hidmousedriver/src/finder.cpp	Mon Jan 18 20:28:57 2010 +0200
@@ -0,0 +1,171 @@
+/*
+* Copyright (c) 2008 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:  This is the implementation of application class
+*
+*/
+
+
+#include <e32std.h>
+#include <e32svr.h>
+
+#include "finder.h"
+
+#ifndef DBG
+#ifdef _DEBUG
+#define DBG(a) a
+#else
+#define DBG(a)
+#endif
+#endif
+
+// ----------------------------------------------------------------------
+
+
+TMouseFinder::TMouseFinder()
+        : iXY(0), iButtons(0), iWheel(0), iAppCollection(0)
+    {
+    // Nothing else to do
+    }
+
+// ----------------------------------------------------------------------
+
+TBool TMouseFinder::BeginCollection(const CCollection *aCollection)
+    {
+    TBool examineCollection = ETrue;
+
+    if ((aCollection->IsApplication()) && (iAppCollection == 0))
+        {
+        // Top-level application collection.
+
+        if ((aCollection->UsagePage() == EUsagePageGenericDesktop)
+                && (aCollection->Usage() == EGenericDesktopUsageMouse))
+            {
+            // Collection is a mouse device:
+            iAppCollection = aCollection;
+            iXY = iWheel = iButtons = 0;
+            }
+        else
+            {
+            // Skip other types of top-level application collection:
+            examineCollection = EFalse;
+            }
+        }
+
+    return examineCollection;
+    }
+
+TBool TMouseFinder::EndCollection(const CCollection *aCollection)
+    {
+    TBool continueSearch = ETrue;
+
+    DBG(RDebug::Print(_L("[HID]\tTHeadsetFinder::EndCollection")));
+    if (aCollection == iAppCollection)
+        {
+        // Top-level application(Generic Desktop:Mouse) finished:
+        //
+        iAppCollection = 0;
+
+        // Stop if we've found a mouse we can use in this
+        // application collection:
+        //
+        continueSearch = !Found();
+        }
+
+    return continueSearch;
+    }
+
+void TMouseFinder::Field(const CField* aField)
+    {
+    if (iAppCollection)
+        {
+        if (IsWheel(aField))
+            {
+            iWheel = aField;
+            }
+
+        if (IsXY(aField))
+            {
+            iXY = aField;
+            }
+
+        if (IsButtons(aField))
+            {
+            iButtons = aField;
+            }
+        }
+    }
+
+// ----------------------------------------------------------------------
+
+
+TBool TMouseFinder::IsXY(const CField* aField) const
+    {
+    TBool found = EFalse;
+
+    if (aField->IsInput() && aField->IsData() &&
+            (aField->UsagePage() == EUsagePageGenericDesktop))
+        {
+
+        if ( aField->HasUsage(EGenericDesktopUsageX) &&
+                aField->HasUsage(EGenericDesktopUsageY) )
+            {
+            DBG(RDebug::Print(_L("[HID]\tXY field found")));
+            found = ETrue;
+            }
+        }
+
+    return found;
+    }
+
+TBool TMouseFinder::IsButtons(const CField* aField) const
+    {
+    TBool found = EFalse;
+
+    if (aField->IsInput() && aField->IsData() &&
+            (aField->UsagePage() == EUsagePageButton))
+        {
+        const TInt KMinButtons = 1;
+        const TInt KMaxButtons = 15;
+
+        // Test for a field containing at least num lock or caps lock
+        if ( (aField->UsageMin() >= KMinButtons)
+                && (aField->UsageMax() <= KMaxButtons) )
+            {
+            DBG(RDebug::Print(_L("[HID]\tButtons field found")));
+            found = ETrue;
+            }
+        }
+
+    return found;
+    }
+
+
+TBool TMouseFinder::IsWheel(const CField* aField) const
+    {
+    TBool found = EFalse;
+
+    if (aField->IsInput() && aField->IsData() &&
+            (aField->UsagePage() == EUsagePageGenericDesktop))
+        {
+        if ( aField->HasUsage( EGenericDesktopUsageWheel ) )
+            {
+            found = ETrue;
+            }
+        }
+
+    return found;
+    }
+
+// End of File
+