| /* |
| * 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.updates |
| |
| import android.annotation.FloatRange |
| import android.annotation.IntDef |
| import com.android.systemui.unfold.updates.FoldStateProvider.FoldUpdatesListener |
| import com.android.systemui.statusbar.policy.CallbackController |
| |
| /** |
| * Allows to subscribe to main events related to fold/unfold process such as hinge angle update, |
| * start folding/unfolding, screen availability |
| */ |
| interface FoldStateProvider : CallbackController<FoldUpdatesListener> { |
| fun start() |
| fun stop() |
| |
| val isFullyOpened: Boolean |
| |
| interface FoldUpdatesListener { |
| fun onHingeAngleUpdate(@FloatRange(from = 0.0, to = 180.0) angle: Float) |
| fun onFoldUpdate(@FoldUpdate update: Int) |
| } |
| |
| @IntDef(prefix = ["FOLD_UPDATE_"], value = [ |
| FOLD_UPDATE_START_OPENING, |
| FOLD_UPDATE_HALF_OPEN, |
| FOLD_UPDATE_START_CLOSING, |
| FOLD_UPDATE_ABORTED, |
| FOLD_UPDATE_UNFOLDED_SCREEN_AVAILABLE, |
| FOLD_UPDATE_FINISH_HALF_OPEN, |
| FOLD_UPDATE_FINISH_FULL_OPEN, |
| FOLD_UPDATE_FINISH_CLOSED |
| ]) |
| @Retention(AnnotationRetention.SOURCE) |
| annotation class FoldUpdate |
| } |
| |
| const val FOLD_UPDATE_START_OPENING = 0 |
| const val FOLD_UPDATE_HALF_OPEN = 1 |
| const val FOLD_UPDATE_START_CLOSING = 2 |
| const val FOLD_UPDATE_ABORTED = 3 |
| const val FOLD_UPDATE_UNFOLDED_SCREEN_AVAILABLE = 4 |
| const val FOLD_UPDATE_FINISH_HALF_OPEN = 5 |
| const val FOLD_UPDATE_FINISH_FULL_OPEN = 6 |
| const val FOLD_UPDATE_FINISH_CLOSED = 7 |