Helper class for handling of XUL fragments.

rdf/content/public/nsIXULDocumentInfo.h

@@ -0,0 +1,50 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+/*
+
+  The sort service interface. This is a singleton object, and should be
+  obtained from the <tt>nsServiceManager</tt>.
+ */
+
+#ifndef nsIXULDocumentInfo_h__
+#define nsIXULDocumentInfo_h__
+
+#include "nsISupports.h"
+
+// {798E24A1-D7A5-11d2-BF86-00105A1B0627}
+#define NS_IXULDOCUMENTINFO_IID \
+{ 0x798e24a1, 0xd7a5, 0x11d2, { 0xbf, 0x86, 0x0, 0x10, 0x5a, 0x1b, 0x6, 0x27 } }
+
+class nsIDocument;
+class nsIRDFResource;
+
+class nsIXULDocumentInfo : public nsISupports {
+public:
+    static const nsIID& GetIID() { static nsIID iid = NS_IXULDOCUMENTINFO_IID; return iid; }
+
+    NS_IMETHOD Init(nsIDocument* aParentDoc, nsIRDFResource* aFragmentRoot) = 0;
+    NS_IMETHOD GetDocument(nsIDocument** aResult) = 0;
+    NS_IMETHOD GetResource(nsIRDFResource** aResult) = 0;
+};
+
+
+extern nsresult
+NS_NewXULDocumentInfo(nsIXULDocumentInfo** result);
+
+#endif // nsIXULDocumentInfo_h__

rdf/content/src/nsXULDocumentInfo.cpp

@@ -0,0 +1,120 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+/*
+  This file provides the implementation for the sort service manager.
+ */
+
+
+#include "nsIXULDocumentInfo.h"
+#include "nsIDocument.h"
+#include "nsIRDFResource.h"
+#include "nsRDFCID.h"
+
+////////////////////////////////////////////////////////////////////////
+
+static NS_DEFINE_IID(kXULDocumentInfoCID,      NS_XULDOCUMENTINFO_CID);
+static NS_DEFINE_IID(kIXULDocumentInfoIID,     NS_IXULDOCUMENTINFO_IID);
+static NS_DEFINE_IID(kISupportsIID,            NS_ISUPPORTS_IID);
+
+
+////////////////////////////////////////////////////////////////////////
+// DocumentInfoImpl
+//
+//   This is the document info object passed to the doc loader
+//
+class XULDocumentInfoImpl : public nsIXULDocumentInfo
+{
+public:
+    XULDocumentInfoImpl(void);
+    virtual ~XULDocumentInfoImpl(void);
+    
+    // nsISupports
+    NS_DECL_ISUPPORTS
+
+    // nsIDocumentInfo
+    NS_IMETHOD Init(nsIDocument* aDocument, nsIRDFResource* aResource);
+    NS_IMETHOD GetDocument(nsIDocument** aDocument);
+    NS_IMETHOD GetResource(nsIRDFResource** aResource);
+
+private:
+    nsIDocument* mParentDocument;
+    nsIRDFResource* mFragmentRoot;
+};
+
+
+////////////////////////////////////////////////////////////////////////
+
+XULDocumentInfoImpl::XULDocumentInfoImpl(void)
+:mParentDocument(nsnull), mFragmentRoot(nsnull)
+{
+	NS_INIT_REFCNT();
+}
+
+
+XULDocumentInfoImpl::~XULDocumentInfoImpl(void)
+{
+  NS_IF_RELEASE(mParentDocument);
+  NS_IF_RELEASE(mFragmentRoot);
+}
+
+nsresult
+XULDocumentInfoImpl::Init(nsIDocument* aDocument, nsIRDFResource* aResource) {
+  NS_IF_RELEASE(aDocument);
+  NS_IF_RELEASE(aResource);
+
+  mParentDocument = aDocument;
+  mFragmentRoot = aResource;
+
+  NS_IF_ADDREF(mParentDocument);
+  NS_IF_ADDREF(mFragmentRoot);
+
+  return NS_OK;
+}
+
+nsresult
+XULDocumentInfoImpl::GetDocument(nsIDocument** aDocument) {
+  NS_IF_ADDREF(mParentDocument);
+  *aDocument = mParentDocument;
+  return NS_OK;
+}
+
+nsresult
+XULDocumentInfoImpl::GetResource(nsIRDFResource** aResource) {
+  NS_IF_ADDREF(mFragmentRoot);
+  *aResource = mFragmentRoot;
+  return NS_OK;
+}
+
+NS_IMPL_ADDREF(XULDocumentInfoImpl);
+NS_IMPL_RELEASE(XULDocumentInfoImpl);
+
+NS_IMPL_QUERY_INTERFACE(XULDocumentInfoImpl, kIXULDocumentInfoIID);
+
+////////////////////////////////////////////////////////////////////////
+
+
+nsresult
+NS_NewXULDocumentInfo(nsIXULDocumentInfo** aResult)
+{
+  XULDocumentInfoImpl* info = new XULDocumentInfoImpl();
+  NS_ADDREF(info);
+  *aResult = info;
+  return NS_OK;
+}
+