Make MozillaHistoryItem create url and title on demand.

Adapt code to the API change.

svn path=/trunk/; revision=7835

4 files changed, 101 insertions, 41 deletions

diff --git a/embed/mozilla/mozilla-embed.cpp b/embed/mozilla/mozilla-embed.cpp
index ad52392fb..b9badb6b2 100644
--- a/embed/mozilla/mozilla-embed.cpp
+++ b/embed/mozilla/mozilla-embed.cpp
@@ -880,37 +880,14 @@ impl_has_modified_forms (EphyEmbed *embed)
 static EphyHistoryItem*
 mozilla_get_nth_history_item (MozillaEmbed *embed,
 			      gboolean is_relative,
-			      int absolute_nth)
+			      int nth)
 {
-	char *url = NULL, *title = NULL;
-	nsresult rv;
-	nsCString nsUrl;
-	PRUnichar *nsTitle;
-	int nth = absolute_nth;
-	MozillaEmbedPrivate *mpriv = embed->priv;
-
 	if (is_relative)
 	{
 		nth += impl_shistory_get_pos (EPHY_EMBED (embed));
 	}
 	
-	rv = mpriv->browser->GetSHUrlAtIndex(nth, nsUrl);
-
-	if (NS_SUCCEEDED (rv) && nsUrl.Length())
-		url = g_strdup(nsUrl.get());
-
-	rv = mpriv->browser->GetSHTitleAtIndex(nth, &nsTitle);
-
-	if (NS_SUCCEEDED (rv) && nsTitle)
-	{
-		nsCString cTitle;
-		NS_UTF16ToCString (nsString(nsTitle),
-				   NS_CSTRING_ENCODING_UTF8, cTitle);
-		title = g_strdup (cTitle.get());
-		nsMemory::Free (nsTitle);
-	}
-
-	return (EphyHistoryItem*)mozilla_history_item_new (url, title, absolute_nth);
+	return (EphyHistoryItem*)mozilla_history_item_new (embed, nth);
 }
 
 static GList*
@@ -1572,3 +1549,11 @@ _mozilla_embed_new_xul_dialog (void)
 
 	return GTK_MOZ_EMBED (embed);
 }
+
+EphyBrowser*
+_mozilla_embed_get_browser (MozillaEmbed *embed)
+{
+	g_return_val_if_fail (MOZILLA_IS_EMBED (embed), NULL);
+
+	return embed->priv->browser;
+}
diff --git a/embed/mozilla/mozilla-embed.h b/embed/mozilla/mozilla-embed.h
index 21ddaf466..28fcecb41 100644
--- a/embed/mozilla/mozilla-embed.h
+++ b/embed/mozilla/mozilla-embed.h
@@ -29,6 +29,13 @@
 #include "ephy-embed.h"
 #include "ephy-base-embed.h"
 
+#ifdef __cplusplus
+#include "EphyBrowser.h"
+#else
+/* can't include C++ headers from outside embed/mozilla */
+typedef struct _EphyBrowser EphyBrowser;
+#endif
+
 G_BEGIN_DECLS
 
 #define MOZILLA_TYPE_EMBED		(mozilla_embed_get_type ())
@@ -65,6 +72,8 @@ GtkMozEmbed    *_mozilla_embed_new_xul_dialog   (void);
 
 EphyEmbedChrome _mozilla_embed_translate_chrome	(GtkMozEmbedChromeFlags flags);
 
+EphyBrowser    *_mozilla_embed_get_browser (MozillaEmbed *embed);
+
 G_END_DECLS
 
 #endif
diff --git a/embed/mozilla/mozilla-history-item.cpp b/embed/mozilla/mozilla-history-item.cpp
index 570b2fbe0..b312fd912 100644
--- a/embed/mozilla/mozilla-history-item.cpp
+++ b/embed/mozilla/mozilla-history-item.cpp
@@ -1,18 +1,83 @@
+/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
+/*
+ *  Copyright © 2007 Xan Lopez
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2, or (at your option)
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "mozilla-config.h"
+#include "config.h"
+
 #include "mozilla-history-item.h"
 #include "ephy-history-item.h"
+#include "EphyBrowser.h"
+
+#include <nsStringAPI.h>
+#include <nsMemory.h>
 
 static void mozilla_history_item_finalize (GObject *object);
 
-static const char*
+static char*
 impl_get_url (EphyHistoryItem *item)
 {
-  return MOZILLA_HISTORY_ITEM (item)->url;
+  char *url = NULL;
+  nsresult rv;
+  nsCString nsUrl;
+  MozillaHistoryItem *mitem = MOZILLA_HISTORY_ITEM (item);
+
+  if (!mitem->embed)
+    return NULL;
+
+  EphyBrowser *browser = (EphyBrowser*)_mozilla_embed_get_browser (mitem->embed);
+
+  rv = browser->GetSHUrlAtIndex(mitem->nth, nsUrl);
+
+  if (NS_SUCCEEDED (rv) && nsUrl.Length()) {
+    url = g_strdup(nsUrl.get());
+  }
+
+  return url;
 }
 
-static const char*
+static char*
 impl_get_title (EphyHistoryItem *item)
 {
-  return MOZILLA_HISTORY_ITEM (item)->title;
+  char *title = NULL;
+  nsresult rv;
+  PRUnichar *nsTitle;
+
+  MozillaHistoryItem *mitem = MOZILLA_HISTORY_ITEM (item);
+
+  if (!mitem->embed)
+    return NULL;
+
+  EphyBrowser *browser = (EphyBrowser*)_mozilla_embed_get_browser (mitem->embed);
+
+  rv = browser->GetSHTitleAtIndex(mitem->nth, &nsTitle);
+
+  if (NS_SUCCEEDED (rv) && nsTitle)
+    {
+      nsCString cTitle;
+      NS_UTF16ToCString (nsString(nsTitle),
+                         NS_CSTRING_ENCODING_UTF8, cTitle);
+      title = g_strdup (cTitle.get());
+      nsMemory::Free (nsTitle);
+    }
+
+  return title;
 }
 
 static void
@@ -42,26 +107,26 @@ mozilla_history_item_init (MozillaHistoryItem *self)
 static void
 mozilla_history_item_finalize (GObject *object)
 {
-  MozillaHistoryItem *self = (MozillaHistoryItem *)object;
+  MozillaHistoryItem *item = MOZILLA_HISTORY_ITEM (object);
+  MozillaEmbed **ptr = &item->embed;
 
-  g_free (self->url);
-  g_free (self->title);
+  g_object_remove_weak_pointer (G_OBJECT (item->embed),
+                                (gpointer*)ptr);
 
   G_OBJECT_CLASS (mozilla_history_item_parent_class)->finalize (object);
 }
 
 MozillaHistoryItem*
-mozilla_history_item_new (const char *url, const char *title, int index)
+mozilla_history_item_new (MozillaEmbed *embed, int index)
 {
   MozillaHistoryItem *item;
-
-  g_return_val_if_fail (url != NULL, NULL);
-  g_return_val_if_fail (title != NULL, NULL);
+  MozillaEmbed **ptr;
 
   item = (MozillaHistoryItem*) g_object_new (MOZILLA_TYPE_HISTORY_ITEM, NULL);
+  item->embed = embed;
+  ptr = &item->embed;
 
-  item->url = g_strdup (url);
-  item->title = g_strdup (title);
+  g_object_add_weak_pointer (G_OBJECT (embed), (gpointer*)ptr);
   item->nth = index;
 
   return item;
diff --git a/embed/mozilla/mozilla-history-item.h b/embed/mozilla/mozilla-history-item.h
index de764a665..0e26f155e 100644
--- a/embed/mozilla/mozilla-history-item.h
+++ b/embed/mozilla/mozilla-history-item.h
@@ -4,6 +4,8 @@
 #include <glib.h>
 #include <glib-object.h>
 
+#include "mozilla-embed.h"
+
 G_BEGIN_DECLS
 
 #define MOZILLA_TYPE_HISTORY_ITEM (mozilla_history_item_get_type())
@@ -25,13 +27,12 @@ struct _MozillaHistoryItem
 {
   GObject parent_instance;
 
-  char *url;
-  char *title;
+  MozillaEmbed *embed;
   int nth;
 };
 
 GType               mozilla_history_item_get_type (void) G_GNUC_CONST;
-MozillaHistoryItem *mozilla_history_item_new      (const char *url, const char *title, int index) G_GNUC_MALLOC;
+MozillaHistoryItem *mozilla_history_item_new      (MozillaEmbed *embed, int index) G_GNUC_MALLOC;
 
 G_END_DECLS