[gnome-shell/wip/carlosg/osk-gesture-feedback: 31/31] keyboard: Handle edge drag gesture cancellation

[Carlos Garnacho <carlosg src gnome org>]

commit 717bd3c53c896dec46342dee7b1bd5963526b851
Author: Carlos Garnacho <carlosg gnome org>
Date:   Sun Feb 14 10:26:38 2021 +0100

    keyboard: Handle edge drag gesture cancellation
    
    Hide the keyboard again if the gesture happens to stay/return
    within it's activation threshold.

 js/ui/edgeDragAction.js |  2 ++
 js/ui/keyboard.js       | 18 ++++++++++++++++--
 2 files changed, 18 insertions(+), 2 deletions(-)
---
diff --git a/js/ui/edgeDragAction.js b/js/ui/edgeDragAction.js
index 540ff4b9dd..986b658e06 100644
--- a/js/ui/edgeDragAction.js
+++ b/js/ui/edgeDragAction.js
@@ -82,5 +82,7 @@ var EdgeDragAction = GObject.registerClass({
             (this._side == St.Side.LEFT && x > monitorRect.x + DRAG_DISTANCE) ||
             (this._side == St.Side.RIGHT && x < monitorRect.x + monitorRect.width - DRAG_DISTANCE))
             this.emit('activated');
+        else
+            this.cancel();
     }
 });
diff --git a/js/ui/keyboard.js b/js/ui/keyboard.js
index 2123c36dd0..5f81203aa7 100644
--- a/js/ui/keyboard.js
+++ b/js/ui/keyboard.js
@@ -1148,10 +1148,16 @@ var KeyboardManager = class KeyBoardManager {
         const mode = Shell.ActionMode.ALL & ~Shell.ActionMode.LOCK_SCREEN;
         const bottomDragAction = new EdgeDragAction.EdgeDragAction(St.Side.BOTTOM, mode);
         bottomDragAction.connect('activated', () => {
-            this._keyboard.gestureActivate(Main.layoutManager.bottomIndex);
+            if (this._keyboard)
+                this._keyboard.gestureActivate(Main.layoutManager.bottomIndex);
         });
         bottomDragAction.connect('progress', (_action, progress) => {
-            this._keyboard.gestureProgress(progress);
+            if (this._keyboard)
+                this._keyboard.gestureProgress(progress);
+        });
+        bottomDragAction.connect('gesture-cancel', () => {
+            if (this._keyboard)
+                this._keyboard.gestureCancel();
         });
         global.stage.add_action(bottomDragAction);
         this._bottomDragAction = bottomDragAction;
@@ -1844,6 +1850,7 @@ var Keyboard = GObject.registerClass({
     }
 
     gestureProgress(delta) {
+        this._gestureInProgress = true;
         Main.layoutManager.keyboardBox.show();
         let progress = Math.min(delta, this.height) / this.height;
         this.translation_y = -this.height * progress;
@@ -1856,6 +1863,13 @@ var Keyboard = GObject.registerClass({
 
     gestureActivate() {
         this.open(true);
+        this._gestureInProgress = false;
+    }
+
+    gestureCancel() {
+        if (this._gestureInProgress)
+            this.animateHide();
+        this._gestureInProgress = false;
     }
 
     resetSuggestions() {