| /* |
| * Copyright (C) 2021 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.unfold |
| |
| import android.annotation.FloatRange |
| import com.android.systemui.unfold.UnfoldTransitionProgressProvider.TransitionProgressListener |
| import com.android.systemui.statusbar.policy.CallbackController |
| |
| /** |
| * Interface that allows to receive unfold transition progress updates. |
| * It can be used to update view properties based on the current animation progress. |
| * onTransitionProgress callback could be called on each frame. |
| * |
| * Use [createUnfoldTransitionProgressProvider] to create instances of this interface |
| */ |
| interface UnfoldTransitionProgressProvider : CallbackController<TransitionProgressListener> { |
| |
| fun destroy() |
| |
| interface TransitionProgressListener { |
| fun onTransitionStarted() {} |
| fun onTransitionFinished() {} |
| fun onTransitionProgress(@FloatRange(from = 0.0, to = 1.0) progress: Float) {} |
| } |
| } |