From e31137e2e7a6df2190f35d43dbb1ba60666651e7 Mon Sep 17 00:00:00 2001
From: "Olli.Pettay%helsinki.fi"
 <Olli.Pettay%helsinki.fi@18797224-902f-48f8-a5cc-f745e15eee43>
Date: Wed, 19 Oct 2005 20:55:53 +0000
Subject: [PATCH] Bug 305763, Application control models (support for JS),
 r=aaronr+allan

git-svn-id: svn://10.0.0.236/trunk@182546 18797224-902f-48f8-a5cc-f745e15eee43
---
 .../xforms/nsXFormsElementFactory.cpp         | 34 +++++++++++++++++--
 .../xforms/nsXFormsElementFactory.h           |  2 ++
 mozilla/extensions/xforms/nsXFormsModule.cpp  | 10 ++++++
 3 files changed, 44 insertions(+), 2 deletions(-)

diff --git a/mozilla/extensions/xforms/nsXFormsElementFactory.cpp b/mozilla/extensions/xforms/nsXFormsElementFactory.cpp
index d94fe36f131..899bb574896 100644
--- a/mozilla/extensions/xforms/nsXFormsElementFactory.cpp
+++ b/mozilla/extensions/xforms/nsXFormsElementFactory.cpp
@@ -41,6 +41,10 @@
 #include "nsXFormsInstanceElement.h"
 #include "nsXFormsSubmissionElement.h"
 #include "nsXFormsStubElement.h"
+#include "nsIDOMDocument.h"
+#include "nsXFormsAtoms.h"
+#include "nsIDocument.h"
+#include "nsIDOMNode.h"
 #include "nsString.h"
 
 // Form controls
@@ -195,8 +199,10 @@ nsXFormsElementFactory::HasFeature(nsISupports *aObject,
                                    const nsAString& aVersion,
                                    PRBool *aReturn)
 {
-  *aReturn = aFeature.EqualsLiteral("org.w3c.xforms.dom") &&
-             aVersion.EqualsLiteral("1.0");
+  *aReturn = (aFeature.EqualsLiteral("org.w3c.xforms.dom") &&
+              aVersion.EqualsLiteral("1.0")) ||
+             (aFeature.EqualsLiteral(NS_XFORMS_INSTANCE_OWNER) &&
+              aVersion.EqualsLiteral("1.0"));
   return NS_OK;
 }
 
@@ -206,5 +212,29 @@ nsXFormsElementFactory::GetFeature(nsISupports *aObject,
                                    const nsAString & aVersion,
                                    nsISupports **aReturn)
 {
+  *aReturn = nsnull;
+  if (aFeature.EqualsLiteral(NS_XFORMS_INSTANCE_OWNER) &&
+      aVersion.EqualsLiteral("1.0")) {
+    nsCOMPtr<nsIDOMNode> node(do_QueryInterface(aObject));
+    NS_ENSURE_STATE(node);
+
+    nsCOMPtr<nsIDOMDocument> domDoc;
+    node->GetOwnerDocument(getter_AddRefs(domDoc));
+    if (!domDoc) {
+      // if node is nsIDOMDocument the ownerDocument is null.
+      domDoc = do_QueryInterface(node);
+    }
+    NS_ENSURE_STATE(domDoc);
+
+    nsCOMPtr<nsIDocument> doc(do_QueryInterface(domDoc));
+    NS_ENSURE_STATE(doc);
+
+    nsISupports* owner =
+      NS_STATIC_CAST(nsISupports*,
+                     doc->GetProperty(nsXFormsAtoms::instanceDocumentOwner));
+    NS_IF_ADDREF(*aReturn = owner);
+    return NS_OK;
+  }
+
   return NS_ERROR_NOT_AVAILABLE;
 }
diff --git a/mozilla/extensions/xforms/nsXFormsElementFactory.h b/mozilla/extensions/xforms/nsXFormsElementFactory.h
index a55a69204d3..c2669e908b3 100644
--- a/mozilla/extensions/xforms/nsXFormsElementFactory.h
+++ b/mozilla/extensions/xforms/nsXFormsElementFactory.h
@@ -39,6 +39,8 @@
 #include "nsIXTFElementFactory.h"
 #include "nsIDOMNSFeatureFactory.h"
 
+#define NS_XFORMS_INSTANCE_OWNER "org.mozilla.xforms.instanceOwner"
+
 #define NS_XFORMSELEMENTFACTORY_CID \
 {0xc068f682, 0x03b5, 0x4e96, {0x81, 0xe1, 0x60, 0x13, 0xf9, 0x12, 0x88, 0xb2}}
 
diff --git a/mozilla/extensions/xforms/nsXFormsModule.cpp b/mozilla/extensions/xforms/nsXFormsModule.cpp
index d024c933783..f403e825d17 100644
--- a/mozilla/extensions/xforms/nsXFormsModule.cpp
+++ b/mozilla/extensions/xforms/nsXFormsModule.cpp
@@ -74,6 +74,13 @@ RegisterXFormsModule(nsIComponentManager *aCompMgr,
                              PR_TRUE, PR_TRUE, getter_Copies(previous));
   NS_ENSURE_SUCCESS(rv, rv);
 
+  rv =
+    catman->AddCategoryEntry(NS_DOMNS_FEATURE_PREFIX NS_XFORMS_INSTANCE_OWNER,
+                             "1.0",
+                             NS_XTF_ELEMENT_FACTORY_CONTRACTID_PREFIX NS_NAMESPACE_XFORMS,
+                             PR_TRUE, PR_TRUE, getter_Copies(previous));
+  NS_ENSURE_SUCCESS(rv, rv);
+
   return catman->AddCategoryEntry("agent-style-sheets",
                                   "xforms stylesheet",
                                   "chrome://xforms/content/xforms.css",
@@ -95,6 +102,9 @@ UnregisterXFormsModule(nsIComponentManager *aCompMgr,
   catman->DeleteCategoryEntry(NS_DOMNS_FEATURE_PREFIX "org.w3c.xforms.dom",
                               "1.0", PR_TRUE);
 
+  catman->DeleteCategoryEntry(NS_DOMNS_FEATURE_PREFIX NS_XFORMS_INSTANCE_OWNER,
+                              "1.0", PR_TRUE);
+
   return catman->DeleteCategoryEntry("agent-style-sheets",
                                      "xforms stylesheet", PR_TRUE);
 }