From cafeb4633915e7eefb6dd1e16d1177ae1072b6e4 Mon Sep 17 00:00:00 2001
From: "waterson%netscape.com"
 <waterson%netscape.com@18797224-902f-48f8-a5cc-f745e15eee43>
Date: Tue, 18 May 1999 05:21:37 +0000
Subject: [PATCH] Enable link coloring.

git-svn-id: svn://10.0.0.236/trunk@32043 18797224-902f-48f8-a5cc-f745e15eee43
---
 mozilla/docshell/base/nsWebShell.cpp | 42 +++++++++++++++++++++++-----
 mozilla/webshell/src/makefile.win    |  1 +
 mozilla/webshell/src/nsWebShell.cpp  | 42 +++++++++++++++++++++++-----
 3 files changed, 71 insertions(+), 14 deletions(-)

diff --git a/mozilla/docshell/base/nsWebShell.cpp b/mozilla/docshell/base/nsWebShell.cpp
index 858e5d0e571..9966aa260d0 100644
--- a/mozilla/docshell/base/nsWebShell.cpp
+++ b/mozilla/docshell/base/nsWebShell.cpp
@@ -57,6 +57,7 @@
 #include "nsIPresShell.h"
 #include "nsIStreamObserver.h"
 #include "nsIWebShellServices.h"
+#include "nsIGlobalHistory.h"
 
 #ifdef XP_PC
 #include <windows.h>
@@ -2228,14 +2229,41 @@ nsWebShell:: GetLinkState(const PRUnichar* aURLSpec, nsLinkState& aState)
 {
   nsString URLSpec(aURLSpec);
   aState = eLinkState_Unvisited;
-#ifdef NS_DEBUG
-  if (URLSpec.Equals("http://visited/")) {
-    aState = eLinkState_Visited;
+
+  static NS_DEFINE_CID(kGlobalHistoryCID, NS_GLOBALHISTORY_CID);
+
+  nsresult rv;
+  NS_WITH_SERVICE(nsIGlobalHistory, history, kGlobalHistoryCID, &rv);
+  if (NS_SUCCEEDED(rv)) {
+    // XXX aURLSpec should really be a char*, not a PRUnichar*.
+    nsAutoString urlStr(aURLSpec);
+
+    char buf[256];
+    char* url = buf;
+
+    if (urlStr.Length() >= sizeof(buf)) {
+      url = new char[urlStr.Length() + 1];
+      if (! url) return NS_ERROR_OUT_OF_MEMORY;
+    }
+
+    urlStr.ToCString(url, urlStr.Length() + 1);
+
+    PRInt64 lastVisitDate;
+    rv = history->GetLastVisitDate(url, &lastVisitDate);
+
+    if (url != buf)
+      delete[] url;
+
+    if (NS_FAILED(rv)) return rv;
+
+    // a last-visit-date of zero means we've never seen it before; so
+    // if it's not zero, we must've seen it.
+    if (! LL_IS_ZERO(lastVisitDate))
+      aState = eLinkState_Visited;
+
+    // XXX how to tell if eLinkState_OutOfDate?
   }
-  else if (URLSpec.Equals("http://out-of-date/")) {
-    aState = eLinkState_OutOfDate;
-  }
-#endif
+
   return NS_OK;
 }
 
diff --git a/mozilla/webshell/src/makefile.win b/mozilla/webshell/src/makefile.win
index 41d4a899980..0705269d75c 100644
--- a/mozilla/webshell/src/makefile.win
+++ b/mozilla/webshell/src/makefile.win
@@ -42,6 +42,7 @@ LINCS=-I..\public -I$(PUBLIC)\xpcom -I$(PUBLIC)\raptor \
       -I$(PUBLIC)\plugin -I$(PUBLIC)\java -I$(PUBLIC)\pref -I$(PUBLIC)\profile \
       -I$(PUBLIC)\js -I$(DEPTH)\include -I$(PUBLIC)\jsurl \
       -I$(PUBLIC)\editor -I$(PUBLIC)\rdf \
+      -I$(PUBLIC)\xpfe\components \
       -I$(PUBLIC)\walletlib \
       -I$(PUBLIC)\oji \
       -I$(PUBLIC)\uconv \
diff --git a/mozilla/webshell/src/nsWebShell.cpp b/mozilla/webshell/src/nsWebShell.cpp
index 858e5d0e571..9966aa260d0 100644
--- a/mozilla/webshell/src/nsWebShell.cpp
+++ b/mozilla/webshell/src/nsWebShell.cpp
@@ -57,6 +57,7 @@
 #include "nsIPresShell.h"
 #include "nsIStreamObserver.h"
 #include "nsIWebShellServices.h"
+#include "nsIGlobalHistory.h"
 
 #ifdef XP_PC
 #include <windows.h>
@@ -2228,14 +2229,41 @@ nsWebShell:: GetLinkState(const PRUnichar* aURLSpec, nsLinkState& aState)
 {
   nsString URLSpec(aURLSpec);
   aState = eLinkState_Unvisited;
-#ifdef NS_DEBUG
-  if (URLSpec.Equals("http://visited/")) {
-    aState = eLinkState_Visited;
+
+  static NS_DEFINE_CID(kGlobalHistoryCID, NS_GLOBALHISTORY_CID);
+
+  nsresult rv;
+  NS_WITH_SERVICE(nsIGlobalHistory, history, kGlobalHistoryCID, &rv);
+  if (NS_SUCCEEDED(rv)) {
+    // XXX aURLSpec should really be a char*, not a PRUnichar*.
+    nsAutoString urlStr(aURLSpec);
+
+    char buf[256];
+    char* url = buf;
+
+    if (urlStr.Length() >= sizeof(buf)) {
+      url = new char[urlStr.Length() + 1];
+      if (! url) return NS_ERROR_OUT_OF_MEMORY;
+    }
+
+    urlStr.ToCString(url, urlStr.Length() + 1);
+
+    PRInt64 lastVisitDate;
+    rv = history->GetLastVisitDate(url, &lastVisitDate);
+
+    if (url != buf)
+      delete[] url;
+
+    if (NS_FAILED(rv)) return rv;
+
+    // a last-visit-date of zero means we've never seen it before; so
+    // if it's not zero, we must've seen it.
+    if (! LL_IS_ZERO(lastVisitDate))
+      aState = eLinkState_Visited;
+
+    // XXX how to tell if eLinkState_OutOfDate?
   }
-  else if (URLSpec.Equals("http://out-of-date/")) {
-    aState = eLinkState_OutOfDate;
-  }
-#endif
+
   return NS_OK;
 }