[evince/gnome-2-30] Take default settings from last document opened

[Carlos Garcia Campos <carlosgc src gnome org>]

commit 1c265473114e0123a7cf4386d18186fc98aae6ae
Author: Carlos Garcia Campos <carlosgc gnome org>
Date:   Tue Apr 20 11:26:42 2010 +0200

    Take default settings from last document opened
    
    Workaround to fix regression caused by migration to gio metadata. See
    bug #606090.

 shell/ev-window.c |   60 ++++++++++++++++++++++++++++++++++++++++++++++------
 1 files changed, 53 insertions(+), 7 deletions(-)
---
diff --git a/shell/ev-window.c b/shell/ev-window.c
index 1a40b7c..27c225c 100644
--- a/shell/ev-window.c
+++ b/shell/ev-window.c
@@ -187,6 +187,7 @@ struct _EvWindowPrivate {
 	EvWindowPageMode page_mode;
 	EvWindowTitle *title;
 	EvMetadata *metadata;
+	EvMetadata *last_settings;
 
 	/* Load params */
 	EvLinkDest       *dest;
@@ -903,8 +904,9 @@ setup_chrome_from_metadata (EvWindow *window)
 	EvChrome chrome = EV_CHROME_NORMAL;
 	gboolean show_toolbar;
 
-	if (window->priv->metadata &&
-	    ev_metadata_get_boolean (window->priv->metadata, "show_toolbar", &show_toolbar)) {
+	if ((window->priv->metadata &&
+	     ev_metadata_get_boolean (window->priv->metadata, "show_toolbar", &show_toolbar)) ||
+	    ev_metadata_get_boolean (window->priv->last_settings, "show_toolbar", &show_toolbar)) {
 		if (!show_toolbar)
 			chrome &= ~EV_CHROME_TOOLBAR;
 	}
@@ -953,7 +955,8 @@ setup_sidebar_from_metadata (EvWindow *window)
 		}
 	}
 
-	if (ev_metadata_get_boolean (window->priv->metadata, "sidebar_visibility", &sidebar_visibility)) {
+	if (ev_metadata_get_boolean (window->priv->metadata, "sidebar_visibility", &sidebar_visibility) ||
+	    ev_metadata_get_boolean (window->priv->last_settings, "sidebar_visibility", &sidebar_visibility)) {
 		update_chrome_flag (window, EV_CHROME_SIDEBAR, sidebar_visibility);
 		update_chrome_visibility (window);
 	}
@@ -1064,8 +1067,8 @@ setup_document_from_metadata (EvWindow *window)
 	    ev_metadata_get_int (window->priv->metadata, "window_height", &height))
 		return; /* size was already set in setup_size_from_metadata */
 
-	if (ev_metadata_get_double (window->priv->metadata, "window_width_ratio", &width_ratio) &&
-	    ev_metadata_get_double (window->priv->metadata, "window_height_ratio", &height_ratio)) {
+	if (ev_metadata_get_double (window->priv->last_settings, "window_width_ratio", &width_ratio) &&
+	    ev_metadata_get_double (window->priv->last_settings, "window_height_ratio", &height_ratio)) {
 		gdouble    document_width;
 		gdouble    document_height;
 		GdkScreen *screen;
@@ -4290,6 +4293,7 @@ ev_window_view_toolbar_cb (GtkAction *action, EvWindow *ev_window)
 	update_chrome_visibility (ev_window);
 	if (ev_window->priv->metadata)
 		ev_metadata_set_boolean (ev_window->priv->metadata, "show_toolbar", active);
+	ev_metadata_set_boolean (ev_window->priv->last_settings, "show_toolbar", active);
 }
 
 static void
@@ -4347,6 +4351,8 @@ ev_window_sidebar_visibility_changed_cb (EvSidebar  *ev_sidebar,
 		if (ev_window->priv->metadata)
 			ev_metadata_set_boolean (ev_window->priv->metadata, "sidebar_visibility",
 						 GTK_WIDGET_VISIBLE (ev_sidebar));
+		ev_metadata_set_boolean (ev_window->priv->last_settings, "sidebar_visibility",
+					 GTK_WIDGET_VISIBLE (ev_sidebar));
 	}
 }
 
@@ -4782,6 +4788,11 @@ ev_window_dispose (GObject *object)
 		priv->metadata = NULL;
 	}
 
+	if (priv->last_settings) {
+		g_object_unref (priv->last_settings);
+		priv->last_settings = NULL;
+	}
+
 	if (priv->setup_document_idle > 0) {
 		g_source_remove (priv->setup_document_idle);
 		priv->setup_document_idle = 0;
@@ -5458,9 +5469,9 @@ window_configure_event_cb (EvWindow *window, GdkEventConfigure *event, gpointer
 		if (!ev_window_is_empty (window) && window->priv->document) {
 			ev_document_get_max_page_size (window->priv->document,
 						       &document_width, &document_height);
-			ev_metadata_set_double (window->priv->metadata, "window_width_ratio",
+			ev_metadata_set_double (window->priv->last_settings, "window_width_ratio",
 						(double)event->width / document_width);
-			ev_metadata_set_double (window->priv->metadata, "window_height_ratio",
+			ev_metadata_set_double (window->priv->last_settings, "window_height_ratio",
 						(double)event->height / document_height);
 			ev_metadata_set_int (window->priv->metadata, "window_x", event->x);
 			ev_metadata_set_int (window->priv->metadata, "window_y", event->y);
@@ -6087,6 +6098,36 @@ get_toolbars_model (void)
 }
 
 static void
+ev_window_create_last_settings_metadata (EvWindow *window)
+{
+	GFile *file;
+	gchar *path;
+
+	path = g_build_filename (ev_application_get_dot_dir (EV_APP, FALSE), "last_settings", NULL);
+	file = g_file_new_for_path (path);
+	g_free (path);
+
+	if (!g_file_query_exists (file, NULL)) {
+		GFileOutputStream *out;
+		GError            *error = NULL;
+
+		out = g_file_create (file, G_FILE_CREATE_NONE, NULL, &error);
+		if (error) {
+			g_warning ("Error creating last_settings file: %s\n", error->message);
+			g_error_free (error);
+			g_object_unref (file);
+
+			return;
+		}
+
+		g_output_stream_close (G_OUTPUT_STREAM (out), NULL, NULL);
+	}
+
+	window->priv->last_settings = ev_metadata_new (file);
+	g_object_unref (file);
+}
+
+static void
 ev_window_init (EvWindow *ev_window)
 {
 	GtkActionGroup *action_group;
@@ -6433,6 +6474,11 @@ ev_window_init (EvWindow *ev_window)
 	/* Give focus to the document view */
 	gtk_widget_grab_focus (ev_window->priv->view);
 
+	/* This a workaround for regression caused by migration to
+	 * gio metadata that made us loose the last used settings.
+	 * We use a dummy file just to store last used settings */
+	ev_window_create_last_settings_metadata (ev_window);
+
 	/* Set it user interface params */
 	ev_window_setup_recent (ev_window);