From 50ef8aca6b5cff14c3460eaba18e83a65b70a557 Mon Sep 17 00:00:00 2001
From: "radha%netscape.com"
 <radha%netscape.com@18797224-902f-48f8-a5cc-f745e15eee43>
Date: Tue, 18 Jul 2000 21:55:37 +0000
Subject: [PATCH] Fix for bug # 37324 r=rpotts

git-svn-id: svn://10.0.0.236/trunk@74394 18797224-902f-48f8-a5cc-f745e15eee43
---
 mozilla/docshell/base/nsDocShell.cpp          | 25 ++++++++++++++++++-
 mozilla/docshell/base/nsIDocShellHistory.idl  |  8 ++++++
 .../xpfe/browser/src/nsBrowserInstance.cpp    | 15 ++++++++---
 3 files changed, 43 insertions(+), 5 deletions(-)

diff --git a/mozilla/docshell/base/nsDocShell.cpp b/mozilla/docshell/base/nsDocShell.cpp
index fb22aca5dcf..3e54b340b3c 100644
--- a/mozilla/docshell/base/nsDocShell.cpp
+++ b/mozilla/docshell/base/nsDocShell.cpp
@@ -837,6 +837,14 @@ NS_IMETHODIMP nsDocShell::AddChild(nsIDocShellTreeItem *aChild)
    PRInt32 childCount = mChildren.Count();
    aChild->SetChildOffset(childCount-1);
 
+   /* Set the child's global history if the parent has one */
+   if (mGlobalHistory) {
+      nsCOMPtr<nsIDocShellHistory> dsHistoryChild(do_QueryInterface(aChild));
+      if (dsHistoryChild)
+ 	     dsHistoryChild->SetGlobalHistory(mGlobalHistory);
+   }
+ 
+
    PRInt32 childType = ~mItemType; // Set it to not us in case the get fails
    aChild->GetItemType(&childType);
    if(childType != mItemType)
@@ -1041,6 +1049,20 @@ nsDocShell::AddChildSHEntry(nsISHEntry * aCloneRef, nsISHEntry * aNewEntry,
   return rv;
 }
 
+NS_IMETHODIMP nsDocShell::SetGlobalHistory(nsIGlobalHistory* aGlobalHistory)
+{
+    mGlobalHistory = aGlobalHistory; 
+    return NS_OK;
+}
+ 	
+NS_IMETHODIMP nsDocShell::GetGlobalHistory(nsIGlobalHistory** aGlobalHistory)
+{
+    NS_ENSURE_ARG_POINTER(aGlobalHistory);
+ 
+    *aGlobalHistory = mGlobalHistory;
+    NS_IF_ADDREF(*aGlobalHistory);
+    return NS_OK;
+}
 
 //*****************************************************************************
 // nsDocShell::nsIWebNavigation
@@ -1391,7 +1413,8 @@ NS_IMETHODIMP nsDocShell::Create()
 {
    NS_ENSURE_STATE(!mContentViewer);
    mPrefs = do_GetService(NS_PREF_PROGID);
-   mGlobalHistory = do_GetService(NS_GLOBALHISTORY_PROGID);
+   //GlobalHistory is now set in SetGlobalHistory
+ //  mGlobalHistory = do_GetService(NS_GLOBALHISTORY_PROGID);
 
    // i don't want to read this pref in every time we load a url
    // so read it in once here and be done with it...
diff --git a/mozilla/docshell/base/nsIDocShellHistory.idl b/mozilla/docshell/base/nsIDocShellHistory.idl
index 4d7244caeb0..80004012394 100644
--- a/mozilla/docshell/base/nsIDocShellHistory.idl
+++ b/mozilla/docshell/base/nsIDocShellHistory.idl
@@ -21,6 +21,7 @@
 
 #include "nsISupports.idl"
 interface nsISHEntry;
+interface nsIGlobalHistory;
 
 
 
@@ -39,5 +40,12 @@ interface nsIDocShellHistory : nsISupports
                        in nsISHEntry aHistoryEntry,
                        in long aChildOffset);
 
+    /*
+     * The global history object used to store 
+     * the global history for the session.
+     */
+     attribute nsIGlobalHistory globalHistory;
+
+
 };
 
diff --git a/mozilla/xpfe/browser/src/nsBrowserInstance.cpp b/mozilla/xpfe/browser/src/nsBrowserInstance.cpp
index 38b432493ec..4d6b3b2d381 100644
--- a/mozilla/xpfe/browser/src/nsBrowserInstance.cpp
+++ b/mozilla/xpfe/browser/src/nsBrowserInstance.cpp
@@ -107,6 +107,8 @@
 #include "nsICharsetConverterManager.h"
 #include "nsICharsetConverterManager2.h"
 
+#include "nsIDocShellHistory.h"
+
 // Interface for "unknown content type handler" component/service.
 #include "nsIUnkContentTypeHandler.h"
 
@@ -983,17 +985,22 @@ nsBrowserInstance::SetContentWindow(nsIDOMWindow* aWin)
   nsCOMPtr<nsIWebProgress> webProgress(do_GetInterface(docShell));
   webProgress->AddProgressListener(NS_STATIC_CAST(nsIWebProgressListener*, this));
   nsCOMPtr<nsISHistory> sessionHistory(do_CreateInstance(NS_SHISTORY_PROGID));
-#ifdef SH_IN_FRAMES
+
   mSessionHistory = sessionHistory;
   if (!mSessionHistory) {
 	  printf("#### Error initialising Session History ####\n");
 	  return NS_ERROR_FAILURE;
   }
   mSessionHistory->SetRootDocShell(docShell);
-#endif
-  nsCOMPtr<nsIWebNavigation> webNav(do_QueryInterface(docShell));
-  webNav->SetSessionHistory(sessionHistory);
 
+  nsCOMPtr<nsIWebNavigation> webNav(do_QueryInterface(docShell));
+  if (webNav)
+     webNav->SetSessionHistory(sessionHistory);
+
+  nsCOMPtr<nsIDocShellHistory> dsHistory(do_QueryInterface(GetContentAreaDocShell()));
+  nsCOMPtr<nsIGlobalHistory> history(do_GetService(kCGlobalHistoryCID));
+  if (dsHistory)
+ 	  dsHistory->SetGlobalHistory(history);
 
     // Cache the Document Loader for the content area webshell.  This is a 
     // weak reference that is *not* reference counted...