Add an OnDestoryWindow callback method to the MozEmbed project. This allows our OpenID window to auto-close. Note: We will need to release this source code to our MozEmbed fork on Github.

Author: alansh

Gecko/WebBrowserChrome.cpp

@@ -121,7 +121,18 @@ NS_IMETHODIMP WebBrowserChrome::SetChromeFlags(PRUint32 aChromeFlags)
 NS_IMETHODIMP WebBrowserChrome::DestroyBrowserWindow()
 {
     if (mIsModal)
+    {
         ExitModalEventLoop(NS_OK);
+    }
+    else
+    {
+        MozViewListener * pListener = pMozView->GetListener();
+        if (!pListener)
+            return NS_ERROR_NOT_IMPLEMENTED;
+            
+        return pListener->OnDestroyWindow();
+    }
+
     return NS_ERROR_NOT_IMPLEMENTED;
 }
 

Gecko/embed.cpp

@@ -623,3 +623,8 @@ void MozViewListener::OnConsoleMessage(const char * /*aMessage*/)
 void MozViewListener::OnFocusChanged(PRBool /*aForward*/)
 {
 }
+
+nsresult MozViewListener::OnDestroyWindow()
+{
+    return NS_OK;
+}

Gecko/embed.h

@@ -504,6 +504,11 @@ class MozViewListener
      *                    previous sibling is to be focused (Shift-Tab)
      */
     virtual void OnFocusChanged(PRBool aForward);
+    
+    /**
+     * Inform the application about a Close Window request
+     */
+    virtual nsresult OnDestroyWindow();
 
 protected:
     MozView* mMozView;