mDNSResponder-66.3.tar.gz

[apple/mdnsresponder.git] / mDNSWindows / Applications / ExplorerPlugin / ClassFactory.cpp

diff --git a/mDNSWindows/Applications/ExplorerPlugin/ClassFactory.cpp b/mDNSWindows/Applications/ExplorerPlugin/ClassFactory.cpp
new file mode 100644 (file)
index 0000000..44c9fb2
--- /dev/null
+++ b/mDNSWindows/Applications/ExplorerPlugin/ClassFactory.cpp
@@ -0,0 +1,192 @@
+/*
+ * Copyright (c) 2003-2004 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+
+    Change History (most recent first):
+    
+$Log: ClassFactory.cpp,v $
+Revision 1.1  2004/01/30 03:01:56  bradley
+Explorer Plugin to browse for Rendezvous-enabled Web and FTP servers from within Internet Explorer.
+
+*/
+
+#include       "StdAfx.h"
+
+#include       "DebugServices.h"
+
+#include       "ExplorerBar.h"
+#include       "ExplorerPlugin.h"
+
+#include       "ClassFactory.h"
+
+// MFC Debugging
+
+#ifdef _DEBUG
+#define new DEBUG_NEW
+#undef THIS_FILE
+static char THIS_FILE[] = __FILE__;
+#endif
+
+//===========================================================================================================================
+//     ClassFactory
+//===========================================================================================================================
+
+ClassFactory::ClassFactory( CLSID inCLSID )
+{
+       mCLSIDObject    = inCLSID;
+       mRefCount               = 1;
+       ++gDLLRefCount;
+}
+
+//===========================================================================================================================
+//     ~ClassFactory
+//===========================================================================================================================
+
+ClassFactory::~ClassFactory( void )
+{
+       check( gDLLRefCount > 0 );
+       
+       --gDLLRefCount;
+}
+
+#if 0
+#pragma mark -
+#pragma mark == IUnknown methods ==
+#endif
+
+//===========================================================================================================================
+//     QueryInterface
+//===========================================================================================================================
+
+STDMETHODIMP   ClassFactory::QueryInterface( REFIID inID, LPVOID *outResult )
+{
+       HRESULT         err;
+       
+       check( outResult );
+       
+       if( IsEqualIID( inID, IID_IUnknown ) )
+       {
+               *outResult = this;
+       }
+       else if( IsEqualIID( inID, IID_IClassFactory ) )
+       {
+               *outResult = (IClassFactory *) this;
+       }   
+       else
+       {
+               *outResult = NULL;
+               err = E_NOINTERFACE;
+               goto exit;
+       }
+       
+       ( *( (LPUNKNOWN *) outResult ) )->AddRef();
+       err = S_OK;
+       
+exit:
+       return( err );
+}                                             
+
+//===========================================================================================================================
+//     AddRef
+//===========================================================================================================================
+
+STDMETHODIMP_( DWORD ) ClassFactory::AddRef( void )
+{
+       return( ++mRefCount );
+}
+
+//===========================================================================================================================
+//     Release
+//===========================================================================================================================
+
+STDMETHODIMP_( DWORD ) ClassFactory::Release( void )
+{
+       DWORD           count;
+       
+       count = --mRefCount;
+       if( count == 0 )
+       {
+               delete this;
+       }
+       return( count );
+}
+
+#if 0
+#pragma mark -
+#pragma mark == IClassFactory methods ==
+#endif
+
+//===========================================================================================================================
+//     CreateInstance
+//===========================================================================================================================
+
+STDMETHODIMP   ClassFactory::CreateInstance( LPUNKNOWN inUnknown, REFIID inID, LPVOID *outObject )
+{
+       HRESULT         err;
+       LPVOID          obj;
+       
+       check( outObject );
+       
+       obj             = NULL;
+       *outObject      = NULL;
+       require_action( !inUnknown, exit, err = CLASS_E_NOAGGREGATION );
+       
+       // Create the object based on the CLSID.
+       
+       if( IsEqualCLSID( mCLSIDObject, CLSID_ExplorerBar ) )
+       {
+               try
+               {
+                       obj = new ExplorerBar();
+               }
+               catch( ... )
+               {
+                       // Don't let exception escape.
+               }
+               require_action( obj, exit, err = E_OUTOFMEMORY );
+       }
+       else
+       {
+               err = E_FAIL;
+               goto exit;
+       }
+       
+       // Query for the specified interface. Release the factory since QueryInterface retains it.
+               
+       err = ( (LPUNKNOWN ) obj )->QueryInterface( inID, outObject );
+       ( (LPUNKNOWN ) obj )->Release();
+       
+exit:
+       return( err );
+}
+
+//===========================================================================================================================
+//     LockServer
+//===========================================================================================================================
+
+STDMETHODIMP   ClassFactory::LockServer( BOOL inLock )
+{
+       DEBUG_UNUSED( inLock );
+       
+       return( E_NOTIMPL );
+}