guard against multiple invocations. (remove_book_view): same.

2002-11-08  Chris Toshok  <toshok@ximian.com>

	* gui/widgets/e-addressbook-model.c (free_data): guard against
	multiple invocations.
	(remove_book_view): same.
	(addressbook_dispose): same.

	* gui/widgets/e-addressbook-view.c (e_addressbook_view_dispose):
	same.

	* gui/widgets/e-minicard-view-widget.c
	(e_minicard_view_widget_dispose): same.

	* gui/widgets/e-minicard-view.c (e_minicard_view_dispose): same.

	* gui/widgets/e-minicard-widget.c (e_minicard_widget_dispose):
	same.

svn path=/trunk/; revision=18685

5 files changed, 41 insertions, 19 deletions

diff --git a/addressbook/gui/widgets/e-addressbook-model.c b/addressbook/gui/widgets/e-addressbook-model.c
index e40ca3ce9a..1d5b228bac 100644
--- a/addressbook/gui/widgets/e-addressbook-model.c
+++ b/addressbook/gui/widgets/e-addressbook-model.c
@@ -57,16 +57,18 @@ static guint e_addressbook_model_signals [LAST_SIGNAL] = {0, };
 static void
 free_data (EAddressbookModel *model)
 {
-	int i;
+	if (model->data) {
+		int i;
 
-	for ( i = 0; i < model->data_count; i++ ) {
-		g_object_unref (model->data[i]);
-	}
+		for ( i = 0; i < model->data_count; i++ ) {
+			g_object_unref (model->data[i]);
+		}
 
-	g_free(model->data);
-	model->data = NULL;
-	model->data_count = 0;
-	model->allocated_count = 0;
+		g_free(model->data);
+		model->data = NULL;
+		model->data_count = 0;
+		model->allocated_count = 0;
+	}
 }
 
 static void
@@ -99,9 +101,8 @@ remove_book_view(EAddressbookModel *model)
 	if (model->book_view) {
 		e_book_view_stop (model->book_view);
 		g_object_unref (model->book_view);
+		model->book_view = NULL;
 	}
-
-	model->book_view = NULL;
 }
 
 static void
@@ -132,7 +133,13 @@ addressbook_dispose(GObject *object)
 		model->book = NULL;
 	}
 
-	g_free (model->query);
+	if (model->query) {
+		g_free (model->query);
+		model->query = NULL;
+	}
+
+	if (G_OBJECT_CLASS(parent_class)->dispose)
+		G_OBJECT_CLASS(parent_class)->dispose(object);
 }
 
 static void
diff --git a/addressbook/gui/widgets/e-addressbook-view.c b/addressbook/gui/widgets/e-addressbook-view.c
index 0651ddd152..1c74a1b636 100644
--- a/addressbook/gui/widgets/e-addressbook-view.c
+++ b/addressbook/gui/widgets/e-addressbook-view.c
@@ -323,8 +323,10 @@ e_addressbook_view_dispose (GObject *object)
 		eav->book = NULL;
 	}
 
-	g_free(eav->query);
-	eav->query = NULL;
+	if (eav->query) {
+		g_free(eav->query);
+		eav->query = NULL;
+	}
 
 	eav->uic = NULL;
 
diff --git a/addressbook/gui/widgets/e-minicard-view-widget.c b/addressbook/gui/widgets/e-minicard-view-widget.c
index 3d484560bd..03166005e2 100644
--- a/addressbook/gui/widgets/e-minicard-view-widget.c
+++ b/addressbook/gui/widgets/e-minicard-view-widget.c
@@ -273,13 +273,22 @@ e_minicard_view_widget_dispose (GObject *object)
 {
 	EMinicardViewWidget *view = E_MINICARD_VIEW_WIDGET(object);
 
-	if (view->book)
+	if (view->book) {
 		g_object_unref (view->book);
-	g_free(view->query);
+		view->book = NULL;
+	}
+	if (view->query) {
+		g_free(view->query);
+		view->query = NULL;
+	}
 
-	g_object_unref (view->adapter);
+	if (view->adapter) {
+		g_object_unref (view->adapter);
+		view->adapter = NULL;
+	}
 
-	G_OBJECT_CLASS(parent_class)->dispose (object);
+	if (G_OBJECT_CLASS(parent_class)->dispose)
+		G_OBJECT_CLASS(parent_class)->dispose (object);
 }
 
 static void
diff --git a/addressbook/gui/widgets/e-minicard-view.c b/addressbook/gui/widgets/e-minicard-view.c
index 661bf2753d..e4c8db0bd1 100644
--- a/addressbook/gui/widgets/e-minicard-view.c
+++ b/addressbook/gui/widgets/e-minicard-view.c
@@ -271,6 +271,7 @@ e_minicard_view_dispose (GObject *object)
 	if (view->canvas_drag_data_get_id) {
 		g_signal_handler_disconnect (GNOME_CANVAS_ITEM (view)->canvas,
 					     view->canvas_drag_data_get_id);
+		view->canvas_drag_data_get_id = 0;
 	}
 
 	if (view->adapter) {
@@ -289,7 +290,8 @@ e_minicard_view_dispose (GObject *object)
 	view->writable_status_id = 0;
 	view->adapter = NULL;
 
-	G_OBJECT_CLASS(parent_class)->dispose (object);
+	if (G_OBJECT_CLASS(parent_class)->dispose)
+		G_OBJECT_CLASS(parent_class)->dispose (object);
 }
 
 static guint
diff --git a/addressbook/gui/widgets/e-minicard-widget.c b/addressbook/gui/widgets/e-minicard-widget.c
index 75ccfccc98..5c8483ac88 100644
--- a/addressbook/gui/widgets/e-minicard-widget.c
+++ b/addressbook/gui/widgets/e-minicard-widget.c
@@ -181,8 +181,10 @@ e_minicard_widget_dispose (GObject *object)
 {
 	EMinicardWidget *emw = E_MINICARD_WIDGET(object);
 
-	if (emw->card)
+	if (emw->card) {
 		g_object_unref (emw->card);
+		emw->card = NULL;
+	}
 	
 	if (G_OBJECT_CLASS(parent_class)->dispose)
 		G_OBJECT_CLASS(parent_class)->dispose(object);