[gnome-shell/wip/carlosg/pad-osd-fixes: 2/10] padOsd: Move button/ring/strip label creation to PadDiagram

[Carlos Garnacho <carlosg src gnome org>]

commit 5540b96c29c8342c51ec735bae7326daea598e1f
Author: Carlos Garnacho <carlosg gnome org>
Date:   Thu May 28 14:03:13 2020 +0200

    padOsd: Move button/ring/strip label creation to PadDiagram
    
    It's the natural container of those. We can create all those labels
    internally, and only expose the updateLabels() method to update them
    wholesome.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1290

 js/ui/padOsd.js | 62 ++++++++++++++++++++++++++++-----------------------------
 1 file changed, 31 insertions(+), 31 deletions(-)
---
diff --git a/js/ui/padOsd.js b/js/ui/padOsd.js
index 221c8ddd6d..d874f000e2 100644
--- a/js/ui/padOsd.js
+++ b/js/ui/padOsd.js
@@ -329,6 +329,7 @@ var PadDiagram = GObject.registerClass({
 
         this._imagePath = imagePath;
         this._handle = this._composeStyledDiagram();
+        this._initLabels();
     }
 
     // eslint-disable-next-line camelcase
@@ -343,6 +344,33 @@ var PadDiagram = GObject.registerClass({
         this.add_actor(actor);
     }
 
+    _initLabels() {
+        // FIXME: Fix num buttons.
+        let i = 0;
+        for (i = 0; i < 50; i++) {
+            let [found] = this.getButtonLabelCoords(i);
+            if (!found)
+                break;
+            this._addLabel(Meta.PadActionType.BUTTON, i);
+        }
+
+        for (i = 0; i < 2; i++) {
+            let [found] = this.getRingLabelCoords(i, CW);
+            if (!found)
+                break;
+            this._addLabel(Meta.PadActionType.RING, i, CW);
+            this._addLabel(Meta.PadActionType.RING, i, CCW);
+        }
+
+        for (i = 0; i < 2; i++) {
+            let [found] = this.getStripLabelCoords(i, UP);
+            if (!found)
+                break;
+            this._addLabel(Meta.PadActionType.STRIP, i, UP);
+            this._addLabel(Meta.PadActionType.STRIP, i, DOWN);
+        }
+    }
+
     _wrappingSvgHeader() {
         return '<?xml version="1.0" encoding="UTF-8" standalone="no"?>' +
                '<svg version="1.1" xmlns="http://www.w3.org/2000/svg"; ' +
@@ -557,7 +585,8 @@ var PadDiagram = GObject.registerClass({
         this._invalidateSvg();
     }
 
-    addLabel(label, type, idx, dir) {
+    _addLabel(type, idx, dir) {
+        let label = new St.Label();
         this._labels.push([label, type, idx, dir]);
         this.add_actor(label);
     }
@@ -711,31 +740,7 @@ var PadOsd = GObject.registerClass({
                                             x_expand: true,
                                             y_expand: true });
         this.add_actor(this._padDiagram);
-
-        // FIXME: Fix num buttons.
-        let i = 0;
-        for (i = 0; i < 50; i++) {
-            let [found] = this._padDiagram.getButtonLabelCoords(i);
-            if (!found)
-                break;
-            this._createLabel(Meta.PadActionType.BUTTON, i);
-        }
-
-        for (i = 0; i < padDevice.get_n_rings(); i++) {
-            let [found] = this._padDiagram.getRingLabelCoords(i, CW);
-            if (!found)
-                break;
-            this._createLabel(Meta.PadActionType.RING, i, CW);
-            this._createLabel(Meta.PadActionType.RING, i, CCW);
-        }
-
-        for (i = 0; i < padDevice.get_n_strips(); i++) {
-            let [found] = this._padDiagram.getStripLabelCoords(i, UP);
-            if (!found)
-                break;
-            this._createLabel(Meta.PadActionType.STRIP, i, UP);
-            this._createLabel(Meta.PadActionType.STRIP, i, DOWN);
-        }
+        this._updateActionLabels();
 
         let buttonBox = new St.Widget({ layout_manager: new Clutter.BinLayout(),
                                         x_expand: true,
@@ -788,11 +793,6 @@ var PadOsd = GObject.registerClass({
         return str ? str : _("None");
     }
 
-    _createLabel(type, number, dir) {
-        let label = new St.Label({ text: this._getActionText(type, number) });
-        this._padDiagram.addLabel(label, type, number, dir);
-    }
-
     _updateActionLabels() {
         this._padDiagram.updateLabels(this._getActionText.bind(this));
     }