[geary/wip/713739-inline: 21/37] Use container alias instead of cast of composer parent

[Jim Nelson <jnelson src gnome org>]

commit 3d6e03e2311fabf598ebde844bfcf210925f8c6e
Author: Robert Schroll <rschroll gmail com>
Date:   Thu May 15 15:41:26 2014 -0700

    Use container alias instead of cast of composer parent

 src/client/composer/composer-widget.vala |   12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)
---
diff --git a/src/client/composer/composer-widget.vala b/src/client/composer/composer-widget.vala
index 2b7602b..70ec6b2 100644
--- a/src/client/composer/composer-widget.vala
+++ b/src/client/composer/composer-widget.vala
@@ -712,7 +712,7 @@ public class ComposerWidget : Gtk.EventBox {
     
     private void on_close() {
         if (should_close() == CloseStatus.DO_CLOSE)
-            ((ComposerContainer) parent).close();
+            container.close();
     }
     
     private bool email_contains_attachment_keywords() {
@@ -794,7 +794,7 @@ public class ComposerWidget : Gtk.EventBox {
     private async void on_send_async() {
         cancellable_save_draft.cancel();
         
-        ((ComposerEmbed) parent).vanish();
+        container.vanish();
         
         linkify_document(editor.get_dom_document());
         
@@ -806,7 +806,7 @@ public class ComposerWidget : Gtk.EventBox {
         }
         
         yield delete_draft_async();
-        ((ComposerContainer) parent).close(); // Only close window after draft is deleted; this closes the 
drafts folder.
+        container.close(); // Only close window after draft is deleted; this closes the drafts folder.
     }
     
     private void on_drafts_opened(Geary.Folder.OpenState open_state, int count) {
@@ -878,7 +878,7 @@ public class ComposerWidget : Gtk.EventBox {
     
     // Used while waiting for draft to save before closing widget.
     private void make_gui_insensitive() {
-        ((ComposerContainer) parent).vanish();
+        container.vanish();
         
         // Halt draft timer.
         if (draft_save_timeout_id != 0)
@@ -891,7 +891,7 @@ public class ComposerWidget : Gtk.EventBox {
         // Do the save.
         yield save_async(null);
         
-        ((ComposerContainer) parent).close();
+        container.close();
     }
     
     private async void delete_and_exit() {
@@ -900,7 +900,7 @@ public class ComposerWidget : Gtk.EventBox {
         // Do the delete.
         yield delete_draft_async();
         
-        ((ComposerContainer) parent).close();
+        container.close();
     }
     
     private async void delete_draft_async() {