[XForms] NPOTDB We need to be able to set context information for xforms events. Bug 280423, p=msterlin r=surkov+olli sr=jonas a=dveditz

git-svn-id: svn://10.0.0.236/branches/MOZILLA_1_8_BRANCH@247050 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/extensions/xforms/nsXFormsMessageElement.cpp

@@ -198,6 +198,13 @@ private:
    */
   PRBool IsEphemeral();
 
+  /** Set context info for events.
+   *
+   * @param aName     Name of the context property.
+   * @param aValue    Value of the context property.
+   */
+  nsresult SetContextInfo(const char *aName, const nsAString &aValue);
+
   MessageType          mType;
 
   // The position of the ephemeral message
@@ -210,6 +217,9 @@ private:
   StopType             mStopType;
   nsCString            mSrcAttrText;
   PRBool               mDoneAddingChildren;
+  // Context Info for events.
+  nsCOMArray<nsIXFormsContextInfo> mContextInfo;
+  nsString             mSrc;
 };
 
 NS_IMPL_ADDREF_INHERITED(nsXFormsMessageElement, nsXFormsDelegateStub)
@@ -467,7 +477,13 @@ nsXFormsMessageElement::HandleSingleAction(nsIDOMEvent *aEvent,
     nsCOMPtr<nsIModelElementPrivate> modelPriv =
       nsXFormsUtils::GetModel(mElement);
     nsCOMPtr<nsIDOMNode> model = do_QueryInterface(modelPriv);
-    nsXFormsUtils::DispatchEvent(model, eEvent_LinkError);
+
+    // Context Info: 'resource-uri'
+    // The URI associated with the failed link.
+    SetContextInfo("resource-uri", mSrc);
+
+    nsXFormsUtils::DispatchEvent(model, eEvent_LinkError, nsnull, nsnull,
+                                 &mContextInfo);
     return NS_OK;
   }
 
@@ -929,6 +945,9 @@ nsXFormsMessageElement::TestExternalFile()
   if (src.IsEmpty()) {
     return NS_OK;
   }
+  // Remember the src attribute so we can set it in the context info
+  // for the xforms-link-error event if the link fails.
+  mSrc = src;
 
   nsCOMPtr<nsIDOMDocument> domDoc;
   mElement->GetOwnerDocument(getter_AddRefs(domDoc));
@@ -993,6 +1012,9 @@ nsXFormsMessageElement::TestExternalFile()
     nsXFormsUtils::ReportError(NS_LITERAL_STRING("externalLink1Error"),
                                strings, 2, mElement, mElement);
     mStopType = eStopType_LinkError;
+    // Remember the src attribute so we can set it in the context info
+    // for the xforms-link-error event.
+    mSrc = src;
     return NS_ERROR_FAILURE;
   }
 
@@ -1103,6 +1125,9 @@ nsXFormsMessageElement::OnStartRequest(nsIRequest *aRequest,
       nsXFormsUtils::ReportError(NS_LITERAL_STRING("externalLink2Error"),
                                  strings, 2, mElement, mElement);
       mStopType = eStopType_LinkError;
+      // Remember the src attribute so we can set it in the context info
+      // for the xforms-link-error event.
+      mSrc = src;
     }
 
     AddRemoveExternalResource(PR_FALSE);
@@ -1129,6 +1154,9 @@ nsXFormsMessageElement::OnStartRequest(nsIRequest *aRequest,
       nsXFormsUtils::ReportError(NS_LITERAL_STRING("externalLink2Error"),
                                  strings, 2, mElement, mElement);
       mStopType = eStopType_LinkError;
+      // Remember the src attribute so we can set it in the context info
+      // for the xforms-link-error event.
+      mSrc = src;
     }
   }
 
@@ -1256,6 +1284,24 @@ PRBool nsXFormsMessageElement::IsEphemeral()
   return level.Equals(NS_LITERAL_STRING("ephemeral"));
 }
 
+nsresult
+nsXFormsMessageElement::SetContextInfo(const char *aName, const nsAString &aValue)
+{
+  nsCOMPtr<nsXFormsContextInfo> contextInfo = new nsXFormsContextInfo(mElement);
+  NS_ENSURE_TRUE(contextInfo, NS_ERROR_OUT_OF_MEMORY);
+  contextInfo->SetStringValue(aName, aValue);
+  mContextInfo.AppendObject(contextInfo);
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsXFormsMessageElement::GetCurrentEvent(nsIDOMEvent **aEvent)
+{
+  NS_IF_ADDREF(*aEvent = mCurrentEvent);
+  return NS_OK;
+}
+
 NS_HIDDEN_(nsresult)
 NS_NewXFormsMessageElement(nsIXTFElement **aResult)
 {