Adding an interface for the creation of elements. r=waterson

content/base/public/nsIElementFactory.h

@@ -0,0 +1,55 @@
+/* -*- Mode: c++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ *
+ * The Original Code is Mozilla Communicator client code.
+ *
+ * The Initial Developer of the Original Code is Netscape Communications
+ * Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s): 
+ */
+#ifndef nsIElementFactory_h___
+#define nsIElementFactory_h___
+
+#include "nsISupports.h"
+
+class nsIContent;
+class nsString;
+
+/* a6cf90fb-15b3-11d2-932e-00805f8add32 */
+#define NS_IELEMENT_FACTORY_IID \
+ { 0xa6cf90fb, 0x15b3, 0x11d2,{0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32}}
+
+/**
+ * An API for creating html content objects
+ */
+class nsIElementFactory : public nsISupports {
+public:
+  static const nsIID& GetIID() { static nsIID iid = NS_IELEMENT_FACTORY_IID; return iid; }
+
+  NS_IMETHOD CreateInstanceByTag(const nsString& aTag,
+                                 nsIContent** aResult) = 0;
+};
+
+// ProgIDs for element factory registration
+#define NS_ELEMENT_FACTORY_PROGID          "component://netscape/layout/element-factory"
+#define NS_ELEMENT_FACTORY_PROGID_PREFIX   NS_ELEMENT_FACTORY_PROGID "?namespace="
+
+#define NS_HTML_NAMESPACE                  "http://www.w3.org/TR/REC-html40"
+#define NS_XML_NAMESPACE                   "http://www.w3.org/XML/1998/namespace"
+ 
+#define NS_HTML_ELEMENT_FACTORY_PROGID     NS_ELEMENT_FACTORY_PROGID_PREFIX NS_HTML_NAMESPACE
+#define NS_XML_ELEMENT_FACTORY_PROGID      NS_ELEMENT_FACTORY_PROGID_PREFIX NS_XML_NAMESPACE
+
+#endif /* nsIElementFactory_h___ */

layout/base/public/MANIFEST

@@ -12,6 +12,7 @@ nsIDocumentContainer.h
 nsIDocumentEncoder.h
 nsIDocumentObserver.h
 nsIDocumentViewer.h
+nsIElementFactory.h
 nsIFocusTracker.h
 nsIFrame.h
 nsIFrameDebug.h

layout/base/public/Makefile.in

@@ -40,6 +40,7 @@ nsIDocumentContainer.h \
 nsIDocumentEncoder.h \
 nsIDocumentObserver.h \
 nsIDocumentViewer.h \
+nsIElementFactory.h \
 nsIFocusTracker.h \
 nsIFrame.h \
 nsIFrameDebug.h \

layout/base/public/makefile.win

@@ -33,6 +33,7 @@ EXPORTS =				\
 	nsIDocumentEncoder.h		\
 	nsIDocumentObserver.h		\
 	nsIDocumentViewer.h		\
+	nsIElementFactory.h     \
 	nsIFocusTracker.h		\
 	nsIFrame.h			\
 	nsIFrameDebug.h			\

layout/base/public/nsIElementFactory.h

@@ -0,0 +1,55 @@
+/* -*- Mode: c++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ *
+ * The Original Code is Mozilla Communicator client code.
+ *
+ * The Initial Developer of the Original Code is Netscape Communications
+ * Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s): 
+ */
+#ifndef nsIElementFactory_h___
+#define nsIElementFactory_h___
+
+#include "nsISupports.h"
+
+class nsIContent;
+class nsString;
+
+/* a6cf90fb-15b3-11d2-932e-00805f8add32 */
+#define NS_IELEMENT_FACTORY_IID \
+ { 0xa6cf90fb, 0x15b3, 0x11d2,{0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32}}
+
+/**
+ * An API for creating html content objects
+ */
+class nsIElementFactory : public nsISupports {
+public:
+  static const nsIID& GetIID() { static nsIID iid = NS_IELEMENT_FACTORY_IID; return iid; }
+
+  NS_IMETHOD CreateInstanceByTag(const nsString& aTag,
+                                 nsIContent** aResult) = 0;
+};
+
+// ProgIDs for element factory registration
+#define NS_ELEMENT_FACTORY_PROGID          "component://netscape/layout/element-factory"
+#define NS_ELEMENT_FACTORY_PROGID_PREFIX   NS_ELEMENT_FACTORY_PROGID "?namespace="
+
+#define NS_HTML_NAMESPACE                  "http://www.w3.org/TR/REC-html40"
+#define NS_XML_NAMESPACE                   "http://www.w3.org/XML/1998/namespace"
+ 
+#define NS_HTML_ELEMENT_FACTORY_PROGID     NS_ELEMENT_FACTORY_PROGID_PREFIX NS_HTML_NAMESPACE
+#define NS_XML_ELEMENT_FACTORY_PROGID      NS_ELEMENT_FACTORY_PROGID_PREFIX NS_XML_NAMESPACE
+
+#endif /* nsIElementFactory_h___ */