[gnome-software] feature tile: Disconnect app signal handlers

[Kalev Lember <klember src gnome org>]

commit 0d1bf106b49f5dc2315351e0f9f9fd04f82ec5b2
Author: Kalev Lember <kalevlember gmail com>
Date:   Thu Sep 11 18:17:22 2014 +0200

    feature tile: Disconnect app signal handlers
    
    Otherwise the app might outlive the tile and call back to the tile after
    it's been destroyed.

 src/gs-feature-tile.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/src/gs-feature-tile.c b/src/gs-feature-tile.c
index 6636071..dba10f6 100644
--- a/src/gs-feature-tile.c
+++ b/src/gs-feature-tile.c
@@ -99,6 +99,9 @@ gs_feature_tile_set_app (GsFeatureTile *tile, GsApp *app)
 
        priv = gs_feature_tile_get_instance_private (tile);
 
+       if (priv->app)
+               g_signal_handlers_disconnect_by_func (priv->app, app_state_changed, tile);
+
        g_clear_object (&priv->app);
        if (!app)
                return;
@@ -160,6 +163,9 @@ gs_feature_tile_destroy (GtkWidget *widget)
 
        priv = gs_feature_tile_get_instance_private (tile);
 
+       if (priv->app)
+               g_signal_handlers_disconnect_by_func (priv->app, app_state_changed, tile);
+
        g_clear_object (&priv->app);
        g_clear_object (&priv->provider);