[gnome-usage/tracker-powered-storage-view-wip] storage: StorageViewRow add loading spinner

[Petr Štětka <pstetka src gnome org>]

commit 90b9ec8e57f933c8209da7b68837abaf65ed151e
Author: Petr Štětka <pstetka redhat com>
Date:   Tue Oct 2 12:07:55 2018 +0200

    storage: StorageViewRow add loading spinner

 data/ui/storage-view-row.ui        | 10 ++++++++++
 src/storage/storage-view-item.vala |  1 +
 src/storage/storage-view-row.vala  | 24 ++++++++++++++++++++++--
 3 files changed, 33 insertions(+), 2 deletions(-)
---
diff --git a/data/ui/storage-view-row.ui b/data/ui/storage-view-row.ui
index 44d866a..b36aa2e 100644
--- a/data/ui/storage-view-row.ui
+++ b/data/ui/storage-view-row.ui
@@ -51,6 +51,16 @@
           </packing>
         </child>
 
+         <child>
+          <object class="GtkSpinner" id="spinner">
+            <property name="active">True</property>
+            <property name="visible">False</property>
+          </object>
+          <packing>
+            <property name="pack-type">end</property>
+          </packing>
+        </child>
+
         <child>
           <object class="GtkLabel" id="size_label">
             <property name="visible">True</property>
diff --git a/src/storage/storage-view-item.vala b/src/storage/storage-view-item.vala
index 9251c8c..86a167a 100644
--- a/src/storage/storage-view-item.vala
+++ b/src/storage/storage-view-item.vala
@@ -20,6 +20,7 @@
 
 public class Usage.StorageViewItem : GLib.Object {
     public double percentage { set; get; }
+    public bool loaded { get; set; default = false; }
 
     public string uri;
     public string name;
diff --git a/src/storage/storage-view-row.vala b/src/storage/storage-view-row.vala
index 7c0845e..e59b476 100644
--- a/src/storage/storage-view-row.vala
+++ b/src/storage/storage-view-row.vala
@@ -38,6 +38,9 @@ public class Usage.StorageViewRow : Gtk.ListBoxRow {
     [GtkChild]
     public Gtk.Label size_label;
 
+    [GtkChild]
+    public Gtk.Spinner spinner;
+
     [GtkChild]
     public Gtk.Box tag;
 
@@ -63,6 +66,7 @@ public class Usage.StorageViewRow : Gtk.ListBoxRow {
     public signal void check_button_toggled();
 
     public StorageViewItem item;
+    public Gdk.RGBA default_color;
 
     public StorageViewRow.from_item (StorageViewItem item) {
         this.item = item;
@@ -79,19 +83,35 @@ public class Usage.StorageViewRow : Gtk.ListBoxRow {
         if (item.type == FileType.DIRECTORY || item.custom_type != null)
             tag.width_request = tag.height_request = 20;
 
-        if(item.custom_type == "up-folder")
+        if(item.custom_type == "up-folder") {
             get_style_context().add_class("up-folder");
+
+            if(!item.loaded) {
+                spinner.visible = true;
+                size_label.visible = false;
+            }
+
+            item.notify["loaded"].connect(() => {
+                if(item.loaded) {
+                    spinner.visible = false;
+                    size_label.visible = true;
+                }
+            });
+        }
+
+        default_color = tag.get_style_context().get_background_color(get_style_context().get_state());
     }
 
     public void colorize(uint order, uint all_count) {
         if(order == 0)
             return;
 
-        var default_color = tag.get_style_context().get_background_color(get_style_context().get_state());
         var result_color = Utils.generate_color(default_color, order, all_count, true);
         var css_provider = new Gtk.CssProvider();
         tag.get_style_context().add_provider(css_provider, Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION);
 
+        title.label = item.name + " - " + Math.round(item.percentage).to_string() + "%";
+
         var css =
         @".row-tag {
             background: $result_color;