| /* |
| * Copyright (C) 2020 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. |
| */ |
| |
| package com.android.systemui.controls.ui |
| |
| /** |
| * All controls need to respond to changes in state and handle user-generated events. |
| * Implementations of this interface provide these different means by adding their own |
| * event handlers, and will update the control ui as they see fit. |
| */ |
| interface Behavior { |
| |
| /** |
| * Only called once per instance |
| */ |
| fun initialize(cvh: ControlViewHolder) |
| |
| /** |
| * Will be invoked on every update provided to the Control |
| */ |
| fun bind(cws: ControlWithState) |
| } |