1 files changed, 74 insertions, 0 deletions
diff --git a/src/library/ImportQueueBranch.vala b/src/library/ImportQueueBranch.vala
new file mode 100644
index 0000000..32a3e0d
--- /dev/null
+++ b/src/library/ImportQueueBranch.vala
@@ -0,0 +1,74 @@
+/* Copyright 2011-2014 Yorba Foundation
+ *
+ * This software is licensed under the GNU Lesser General Public License
+ * (version 2.1 or later).  See the COPYING file in this distribution.
+ */
+
+public class Library.ImportQueueBranch : Sidebar.RootOnlyBranch {
+    private Library.ImportQueueSidebarEntry entry;
+    
+    public ImportQueueBranch() {
+        // can't pass to base() an object that was allocated in declaration; see
+        // https://bugzilla.gnome.org/show_bug.cgi?id=646286
+        base (new Library.ImportQueueSidebarEntry());
+        
+        entry = (Library.ImportQueueSidebarEntry) get_root();
+        
+        // only attach signals to the page when it's created
+        entry.page_created.connect(on_page_created);
+        entry.destroying_page.connect(on_destroying_page);
+        
+        // don't use entry.get_page() or get_queue_page() because (a) we don't want to
+        // create the page during initialization, and (b) we know there's no import activity
+        // at this moment
+        set_show_branch(false);
+    }
+    
+    ~ImportQueueBranch() {
+        entry.page_created.disconnect(on_page_created);
+        entry.destroying_page.disconnect(on_destroying_page);
+    }
+    
+    public ImportQueuePage get_queue_page() {
+        return (ImportQueuePage) entry.get_page();
+    }
+    
+    private void on_page_created() {
+        get_queue_page().batch_added.connect(on_batch_added_or_removed);
+        get_queue_page().batch_removed.connect(on_batch_added_or_removed);
+    }
+    
+    private void on_destroying_page() {
+        get_queue_page().batch_added.disconnect(on_batch_added_or_removed);
+        get_queue_page().batch_removed.disconnect(on_batch_added_or_removed);
+    }
+    
+    private void on_batch_added_or_removed() {
+        set_show_branch(get_queue_page().get_batch_count() > 0);
+    }
+    
+    public void enqueue_and_schedule(BatchImport batch_import, bool allow_user_cancel) {
+        // want to display the branch before passing to the page because this might result in the
+        // page being created, and want it all hooked up in the tree prior to creating the page
+        set_show_branch(true);
+        get_queue_page().enqueue_and_schedule(batch_import, allow_user_cancel);
+    }
+}
+
+public class Library.ImportQueueSidebarEntry : Sidebar.SimplePageEntry {
+    public ImportQueueSidebarEntry() {
+    }
+    
+    public override string get_sidebar_name() {
+        return ImportQueuePage.NAME;
+    }
+    
+    public override Icon? get_sidebar_icon() {
+        return new ThemedIcon(Resources.ICON_IMPORTING);
+    }
+    
+    protected override Page create_page() {
+        return new ImportQueuePage();
+    }
+}
+