[gnome-shell/wip/exalm/gestures: 38/50] workspaceThumbnail: Sync indicator with WorkspacesDisplay



commit 3eac6bc3036a8c2987bd39f3551aeeb32c5f1bf3
Author: Alexander Mikhaylenko <exalm7659 gmail com>
Date:   Mon Jul 8 13:03:20 2019 +0500

    workspaceThumbnail: Sync indicator with WorkspacesDisplay
    
    Now that both ThumbnailsBox and WorkspacesDisplay use single adjustments for
    controlling indicator and scrolling, create the adjustment in OverviewControls
    and pass it to both objects, effectively syncing indicator to scrolling.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/605

 js/ui/overviewControls.js   | 26 ++++++++++++++++++++++++--
 js/ui/viewSelector.js       |  4 ++--
 js/ui/workspaceThumbnail.js | 37 +++++--------------------------------
 js/ui/workspacesView.js     | 19 ++-----------------
 4 files changed, 33 insertions(+), 53 deletions(-)
---
diff --git a/js/ui/overviewControls.js b/js/ui/overviewControls.js
index 3726f983a0..a753865ff8 100644
--- a/js/ui/overviewControls.js
+++ b/js/ui/overviewControls.js
@@ -437,10 +437,23 @@ class ControlsManager extends St.Widget {
         this._dashSpacer = new DashSpacer();
         this._dashSpacer.setDashActor(this._dashSlider);
 
-        this._thumbnailsBox = new WorkspaceThumbnail.ThumbnailsBox();
+        let workspaceManager = global.workspace_manager;
+        let activeWorkspaceIndex = workspaceManager.get_active_workspace_index();
+
+        this._workspaceAdjustment = new St.Adjustment({ value: activeWorkspaceIndex,
+                                                        lower: 0,
+                                                        page_increment: 1,
+                                                        page_size: 1,
+                                                        step_increment: 0,
+                                                        upper: workspaceManager.n_workspaces });
+        this._updateWorkspaces();
+        workspaceManager.connect('notify::n-workspaces',
+                                 this._updateWorkspaces.bind(this));
+
+        this._thumbnailsBox = new WorkspaceThumbnail.ThumbnailsBox(this._workspaceAdjustment);
         this._thumbnailsSlider = new ThumbnailsSlider(this._thumbnailsBox);
 
-        this.viewSelector = new ViewSelector.ViewSelector(searchEntry,
+        this.viewSelector = new ViewSelector.ViewSelector(searchEntry, this._workspaceAdjustment,
                                                           this.dash.showAppsButton);
         this.viewSelector.connect('page-changed', this._setVisibility.bind(this));
         this.viewSelector.connect('page-empty', this._onPageEmpty.bind(this));
@@ -460,6 +473,15 @@ class ControlsManager extends St.Widget {
         Main.overview.connect('showing', this._updateSpacerVisibility.bind(this));
     }
 
+    _updateWorkspaces() {
+        let workspaceManager = global.workspace_manager;
+        let newNumWorkspaces = workspaceManager.n_workspaces;
+
+        this._workspaceAdjustment.upper = newNumWorkspaces;
+        this._workspaceAdjustment.value = workspaceManager.get_active_workspace_index();
+
+    }
+
     _updateWorkspacesGeometry() {
         let [x, y] = this.get_transformed_position();
         let [width, height] = this.get_transformed_size();
diff --git a/js/ui/viewSelector.js b/js/ui/viewSelector.js
index 628b5fda06..4ca9d09e76 100644
--- a/js/ui/viewSelector.js
+++ b/js/ui/viewSelector.js
@@ -129,7 +129,7 @@ var ViewSelector = GObject.registerClass({
         'page-empty': {},
     }
 }, class ViewSelector extends Shell.Stack {
-    _init(searchEntry, showAppsButton) {
+    _init(searchEntry, workspaceAdjustment, showAppsButton) {
         super._init({ name: 'viewSelector' });
 
         this._showAppsButton = showAppsButton;
@@ -169,7 +169,7 @@ var ViewSelector = GObject.registerClass({
         this._iconClickedId = 0;
         this._capturedEventId = 0;
 
-        this._workspacesDisplay = new WorkspacesView.WorkspacesDisplay();
+        this._workspacesDisplay = new WorkspacesView.WorkspacesDisplay(workspaceAdjustment);
         this._workspacesPage = this._addPage(this._workspacesDisplay,
                                              _("Windows"), 'focus-windows-symbolic');
 
diff --git a/js/ui/workspaceThumbnail.js b/js/ui/workspaceThumbnail.js
index f802519848..88a9ea4c3a 100644
--- a/js/ui/workspaceThumbnail.js
+++ b/js/ui/workspaceThumbnail.js
@@ -7,7 +7,6 @@ const Background = imports.ui.background;
 const DND = imports.ui.dnd;
 const Main = imports.ui.main;
 const Workspace = imports.ui.workspace;
-const WorkspacesView = imports.ui.workspacesView;
 
 // The maximum size of a thumbnail is 1/10 the width and height of the screen
 let MAX_THUMBNAIL_SCALE = 1 / 10.;
@@ -630,7 +629,7 @@ var ThumbnailsBox = GObject.registerClass({
             0, Infinity, 0)
     }
 }, class ThumbnailsBox extends St.Widget {
-    _init() {
+    _init(adjustment) {
         super._init({ reactive: true,
                       style_class: 'workspace-thumbnails',
                       request_mode: Clutter.RequestMode.WIDTH_FOR_HEIGHT });
@@ -703,16 +702,12 @@ var ThumbnailsBox = GObject.registerClass({
         this._syncStackingId = 0;
         this._workareasChangedId = 0;
 
-        let workspaceManager = global.workspace_manager;
-        let activeWorkspaceIndex = workspaceManager.get_active_workspace_index();
-        this._scrollAdjustment = new St.Adjustment({ value: activeWorkspaceIndex,
-                                                     lower: 0,
-                                                     page_increment: 1,
-                                                     page_size: 1,
-                                                     step_increment: 0,
-                                                     upper: workspaceManager.n_workspaces });
+        this._scrollAdjustment = adjustment;
 
         this._scrollAdjustment.connect('notify::value', adj => {
+            this._animatingIndicator = (adj.value % 1) != 0;
+            if (!this._animatingIndicator)
+                this._queueUpdateStates();
             this.queue_relayout();
         });
     }
@@ -915,9 +910,6 @@ var ThumbnailsBox = GObject.registerClass({
     _createThumbnails() {
         let workspaceManager = global.workspace_manager;
 
-        this._switchWorkspaceNotifyId =
-            global.window_manager.connect('switch-workspace',
-                                          this._activeWorkspaceChanged.bind(this));
         this._nWorkspacesNotifyId =
             workspaceManager.connect('notify::n-workspaces',
                                      this._workspacesChanged.bind(this));
@@ -950,10 +942,6 @@ var ThumbnailsBox = GObject.registerClass({
         if (this._thumbnails.length == 0)
             return;
 
-        if (this._switchWorkspaceNotifyId > 0) {
-            global.window_manager.disconnect(this._switchWorkspaceNotifyId);
-            this._switchWorkspaceNotifyId = 0;
-        }
         if (this._nWorkspacesNotifyId > 0) {
             let workspaceManager = global.workspace_manager;
             workspaceManager.disconnect(this._nWorkspacesNotifyId);
@@ -982,8 +970,6 @@ var ThumbnailsBox = GObject.registerClass({
         let oldNumWorkspaces = validThumbnails.length;
         let newNumWorkspaces = workspaceManager.n_workspaces;
 
-        this._scrollAdjustment.upper = newNumWorkspaces;
-
         if (newNumWorkspaces > oldNumWorkspaces) {
             this.addThumbnails(oldNumWorkspaces, newNumWorkspaces - oldNumWorkspaces);
         } else {
@@ -1365,17 +1351,4 @@ var ThumbnailsBox = GObject.registerClass({
         childBox.y2 = indicatorY2 + indicatorBottomFullBorder;
         this._indicator.allocate(childBox, flags);
     }
-
-    _activeWorkspaceChanged(_wm, from, to, _direction) {
-        this._scrollAdjustment.value = from;
-        this._animatingIndicator = true;
-        this._scrollAdjustment.ease(to, {
-            progress_mode: Clutter.AnimationMode.EASE_OUT_QUAD,
-            duration: WorkspacesView.WORKSPACE_SWITCH_TIME,
-            onComplete: () => {
-                this._animatingIndicator = false;
-                this._queueUpdateStates();
-            }
-        });
-    }
 });
diff --git a/js/ui/workspacesView.js b/js/ui/workspacesView.js
index d75e0aac72..decfc50c46 100644
--- a/js/ui/workspacesView.js
+++ b/js/ui/workspacesView.js
@@ -400,22 +400,14 @@ class ExtraWorkspaceView extends WorkspacesViewBase {
 
 var WorkspacesDisplay = GObject.registerClass(
 class WorkspacesDisplay extends St.Widget {
-    _init() {
+    _init(adjustment) {
         super._init({ clip_to_allocation: true });
         this.connect('notify::allocation', this._updateWorkspacesActualGeometry.bind(this));
 
         let workspaceManager = global.workspace_manager;
         let activeWorkspaceIndex = workspaceManager.get_active_workspace_index();
-        this._scrollAdjustment = new St.Adjustment({ value: activeWorkspaceIndex,
-                                                     lower: 0,
-                                                     page_increment: 1,
-                                                     page_size: 1,
-                                                     step_increment: 0,
-                                                     upper: workspaceManager.n_workspaces });
+        this._scrollAdjustment = adjustment;
 
-        this._updateWorkspaces();
-        workspaceManager.connect('notify::n-workspaces',
-                                 this._updateWorkspaces.bind(this));
         this._scrollAdjustment.connect('notify::value',
                                        this._scrollValueChanged.bind(this));
 
@@ -511,13 +503,6 @@ class WorkspacesDisplay extends St.Widget {
         }
     }
 
-    _updateWorkspaces() {
-        let workspaceManager = global.workspace_manager;
-        let newNumWorkspaces = workspaceManager.n_workspaces;
-
-        this._scrollAdjustment.upper = newNumWorkspaces;
-    }
-
     _workspacesReordered() {
         let workspaceManager = global.workspace_manager;
 


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