1 files changed, 0 insertions, 44 deletions
diff --git a/ui/src/controller/loading_manager.ts b/ui/src/controller/loading_manager.ts
deleted file mode 100644
index 3814933d0..000000000
--- a/ui/src/controller/loading_manager.ts
+++ /dev/null
@@ -1,44 +0,0 @@
-// Copyright (C) 2019 The Android Open Source Project
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-import {LoadingTracker} from '../common/engine';
-import {globals} from './globals';
-
-// Used to keep track of whether the engine is currently querying.
-export class LoadingManager implements LoadingTracker {
-  private static _instance: LoadingManager;
-  private numQueuedQueries = 0;
-  private numLastUpdate = 0;
-
-  static get getInstance(): LoadingManager {
-    return this._instance || (this._instance = new this());
-  }
-
-  beginLoading() {
-    this.update(1);
-  }
-
-  endLoading() {
-    this.update(-1);
-  }
-
-  private update(change: number) {
-    this.numQueuedQueries += change;
-    if (this.numQueuedQueries === 0 ||
-        Math.abs(this.numLastUpdate - this.numQueuedQueries) > 2) {
-      this.numLastUpdate = this.numQueuedQueries;
-      globals.publish('Loading', this.numQueuedQueries);
-    }
-  }
-}