[gnome-shell] keyboard: Split enabled setting from enabled state

[Florian Müllner <fmuellner src gnome org>]

commit cf23490c37ded24c21e331ddc2e2f2214c972d22
Author: Florian Müllner <fmuellner gnome org>
Date:   Mon Oct 9 12:51:08 2017 +0200

    keyboard: Split enabled setting from enabled state
    
    We enable the keyboard when it is either enabled explicitly via
    a11y settings or when using a touch device. We'll soon want to
    special-case changes to the GSettings, so track its value in a
    dedicated property.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=788188

 js/ui/keyboard.js |   23 +++++++++++++----------
 1 files changed, 13 insertions(+), 10 deletions(-)
---
diff --git a/js/ui/keyboard.js b/js/ui/keyboard.js
index 87635ce..771f23d 100644
--- a/js/ui/keyboard.js
+++ b/js/ui/keyboard.js
@@ -168,6 +168,9 @@ var Keyboard = new Lang.Class({
         this._caretTrackingEnabled = false;
         this._updateCaretPositionId = 0;
 
+        this._enableKeyboard = false; // a11y settings value
+        this._enabled = false; // enabled state (by setting or device type)
+
         this._keyboardSettings = new Gio.Settings({ schema_id: KEYBOARD_SCHEMA });
         this._keyboardSettings.connect('changed', Lang.bind(this, this._sync));
         this._a11yApplicationsSettings = new Gio.Settings({ schema_id: A11Y_APPLICATIONS_SCHEMA });
@@ -305,14 +308,14 @@ var Keyboard = new Lang.Class({
     },
 
     _syncEnabled: function () {
-        this._enableKeyboard = this._a11yApplicationsSettings.get_boolean(SHOW_KEYBOARD) ||
-                               this._lastDeviceIsTouchscreen();
-        if (!this._enableKeyboard && !this._keyboard)
+        this._enableKeyboard = this._a11yApplicationsSettings.get_boolean(SHOW_KEYBOARD);
+        this._enabled = this._enableKeyboard || this._lastDeviceIsTouchscreen();
+        if (!this._enabled && !this._keyboard)
             return;
 
-        this._setCaretTrackerEnabled(this._enableKeyboard);
+        this._setCaretTrackerEnabled(this._enabled);
 
-        if (this._enableKeyboard) {
+        if (this._enabled) {
             if (!this._keyboard)
                 this._setupKeyboard();
             else
@@ -509,7 +512,7 @@ var Keyboard = new Lang.Class({
     },
 
     _redraw: function () {
-        if (!this._enableKeyboard)
+        if (!this._enabled)
             return;
 
         let monitor = Main.layoutManager.keyboardMonitor;
@@ -614,7 +617,7 @@ var Keyboard = new Lang.Class({
     },
 
     show: function (monitor) {
-        if (!this._enableKeyboard)
+        if (!this._enabled)
             return;
 
         this._clearShowIdle();
@@ -650,7 +653,7 @@ var Keyboard = new Lang.Class({
     },
 
     hide: function () {
-        if (!this._enableKeyboard)
+        if (!this._enabled)
             return;
 
         this._clearShowIdle();
@@ -713,14 +716,14 @@ var Keyboard = new Lang.Class({
     },
 
     setCursorLocation: function(x, y, w, h) {
-        if (!this._enableKeyboard)
+        if (!this._enabled)
             return;
 
 //        this._setLocation(x, y);
     },
 
     setEntryLocation: function(x, y, w, h) {
-        if (!this._enableKeyboard)
+        if (!this._enabled)
             return;
 
 //        this._setLocation(x, y);