[gnome-shell/wip/exalm/gestures2: 2/7] workspaceAnimation: Stop depending on shellwm

[Alexander Mikhaylenko <alexm src gnome org>]

commit f228abc3274b840e7fd18c814afd31efd3f65cae
Author: Alexander Mikhaylenko <exalm7659 gmail com>
Date:   Tue Jan 21 18:09:56 2020 +0500

    workspaceAnimation: Stop depending on shellwm
    
    https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/605

 js/ui/windowManager.js      | 13 +++++++++++--
 js/ui/workspaceAnimation.js | 34 +++++++++++++++++-----------------
 2 files changed, 28 insertions(+), 19 deletions(-)
---
diff --git a/js/ui/windowManager.js b/js/ui/windowManager.js
index 205f14114e..7a3e68ea3f 100644
--- a/js/ui/windowManager.js
+++ b/js/ui/windowManager.js
@@ -984,6 +984,14 @@ var WindowManager = class {
 
         this._workspaceAnimation =
             new WorkspaceAnimation.WorkspaceAnimationController();
+
+        this._shellwm.connect('kill-switch-workspace', () => {
+            if (!this._workspaceAnimation.isAnimating() || this._workspaceAnimation.canCancelGesture())
+                return;
+
+            this._workspaceAnimation.cancelSwitchAnimation();
+            this._shellwm.completed_switch_workspace();
+        });
     }
 
     _showPadOsd(display, device, settings, imagePath, editionMode, monitorIndex) {
@@ -1608,8 +1616,9 @@ var WindowManager = class {
             return;
         }
 
-        this._workspaceAnimation.animateSwitchWorkspace(shellwm, from, to,
-            direction);
+        this._workspaceAnimation.animateSwitchWorkspace(from, to, direction, () => {
+            this._shellwm.completed_switch_workspace();
+        });
     }
 
     _showTilePreview(shellwm, window, tileRect, monitorIndex) {
diff --git a/js/ui/workspaceAnimation.js b/js/ui/workspaceAnimation.js
index e4308217c3..1272faef78 100644
--- a/js/ui/workspaceAnimation.js
+++ b/js/ui/workspaceAnimation.js
@@ -10,18 +10,8 @@ const WINDOW_ANIMATION_TIME = 250;
 
 var WorkspaceAnimationController = class {
     constructor() {
-        this._shellwm = global.window_manager;
         this._movingWindow = null;
-
         this._switchData = null;
-        this._shellwm.connect('kill-switch-workspace', shellwm => {
-            if (this._switchData) {
-                if (this._switchData.inProgress)
-                    this._switchWorkspaceDone(shellwm);
-                else if (!this._switchData.gestureActivated)
-                    this._finishWorkspaceSwitch(this._switchData);
-            }
-        });
 
         global.display.connect('restacked', this._syncStacking.bind(this));
 
@@ -231,7 +221,7 @@ var WorkspaceAnimationController = class {
         this.movingWindow = null;
     }
 
-    animateSwitchWorkspace(shellwm, from, to, direction) {
+    animateSwitchWorkspace(from, to, direction, onComplete) {
         this._prepareWorkspaceSwitch(from, to, direction);
         this._switchData.inProgress = true;
 
@@ -253,15 +243,13 @@ var WorkspaceAnimationController = class {
             y: yDest,
             duration: WINDOW_ANIMATION_TIME,
             mode: Clutter.AnimationMode.EASE_OUT_CUBIC,
-            onComplete: () => this._switchWorkspaceDone(shellwm),
+            onComplete: () => {
+                this._finishWorkspaceSwitch(this._switchData);
+                onComplete();
+            },
         });
     }
 
-    _switchWorkspaceDone(shellwm) {
-        this._finishWorkspaceSwitch(this._switchData);
-        shellwm.completed_switch_workspace();
-    }
-
     _directionForProgress(progress) {
         if (global.workspace_manager.layout_rows === -1) {
             return progress > 0
@@ -418,6 +406,18 @@ var WorkspaceAnimationController = class {
         return this._switchData !== null;
     }
 
+    canCancelGesture() {
+        return this.isAnimating() && this._switchData.gestureActivated;
+    }
+
+    cancelSwitchAnimation() {
+        if (!this._switchData)
+            return;
+
+        if (this._switchData.inProgress || !this._switchData.gestureActivated)
+            this._finishWorkspaceSwitch(this._switchData);
+    }
+
     set movingWindow(movingWindow) {
         this._movingWindow = movingWindow;
     }