From cf85cc663c3167c7ff82af760e501caee2789e71 Mon Sep 17 00:00:00 2001
From: "joki%netscape.com"
 <joki%netscape.com@18797224-902f-48f8-a5cc-f745e15eee43>
Date: Mon, 29 Mar 1999 23:01:13 +0000
Subject: [PATCH] Adding unload event

git-svn-id: svn://10.0.0.236/trunk@25479 18797224-902f-48f8-a5cc-f745e15eee43
---
 mozilla/docshell/base/nsWebShell.cpp | 22 +++++++++++++++++++++-
 mozilla/webshell/src/nsWebShell.cpp  | 22 +++++++++++++++++++++-
 2 files changed, 42 insertions(+), 2 deletions(-)

diff --git a/mozilla/docshell/base/nsWebShell.cpp b/mozilla/docshell/base/nsWebShell.cpp
index b077a9d9964..752a608e851 100644
--- a/mozilla/docshell/base/nsWebShell.cpp
+++ b/mozilla/docshell/base/nsWebShell.cpp
@@ -2071,7 +2071,27 @@ nsWebShell::ReleaseScriptContext(nsIScriptContext *aContext)
 NS_IMETHODIMP
 nsWebShell::OnStartDocumentLoad(nsIURL* aURL, const char* aCommand)
 {
-  return NS_OK;
+  nsIDocumentViewer* docViewer;
+  nsresult rv = NS_ERROR_FAILURE;
+  
+  if (nsnull != mScriptGlobal) {
+    if (nsnull != mContentViewer && 
+        NS_OK == mContentViewer->QueryInterface(kIDocumentViewerIID, (void**)&docViewer)) {
+      nsIPresContext *presContext;
+      if (NS_OK == docViewer->GetPresContext(presContext)) {
+        nsEventStatus status = nsEventStatus_eIgnore;
+        nsMouseEvent event;
+        event.eventStructType = NS_EVENT;
+        event.message = NS_PAGE_UNLOAD;
+        rv = mScriptGlobal->HandleDOMEvent(*presContext, &event, nsnull, NS_EVENT_FLAG_INIT, status);
+
+        NS_RELEASE(presContext);
+      }
+      NS_RELEASE(docViewer);
+    }
+  }
+  
+  return rv;
 }
 
 NS_IMETHODIMP
diff --git a/mozilla/webshell/src/nsWebShell.cpp b/mozilla/webshell/src/nsWebShell.cpp
index b077a9d9964..752a608e851 100644
--- a/mozilla/webshell/src/nsWebShell.cpp
+++ b/mozilla/webshell/src/nsWebShell.cpp
@@ -2071,7 +2071,27 @@ nsWebShell::ReleaseScriptContext(nsIScriptContext *aContext)
 NS_IMETHODIMP
 nsWebShell::OnStartDocumentLoad(nsIURL* aURL, const char* aCommand)
 {
-  return NS_OK;
+  nsIDocumentViewer* docViewer;
+  nsresult rv = NS_ERROR_FAILURE;
+  
+  if (nsnull != mScriptGlobal) {
+    if (nsnull != mContentViewer && 
+        NS_OK == mContentViewer->QueryInterface(kIDocumentViewerIID, (void**)&docViewer)) {
+      nsIPresContext *presContext;
+      if (NS_OK == docViewer->GetPresContext(presContext)) {
+        nsEventStatus status = nsEventStatus_eIgnore;
+        nsMouseEvent event;
+        event.eventStructType = NS_EVENT;
+        event.message = NS_PAGE_UNLOAD;
+        rv = mScriptGlobal->HandleDOMEvent(*presContext, &event, nsnull, NS_EVENT_FLAG_INIT, status);
+
+        NS_RELEASE(presContext);
+      }
+      NS_RELEASE(docViewer);
+    }
+  }
+  
+  return rv;
 }
 
 NS_IMETHODIMP