| /* |
| * Copyright 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 androidx.ui.tooling.preview.animation |
| |
| import android.util.Log |
| import androidx.compose.animation.core.InternalAnimationApi |
| import androidx.compose.animation.core.TransitionAnimation |
| import androidx.compose.animation.core.getStates |
| import androidx.compose.animation.tooling.ComposeAnimation |
| import androidx.compose.animation.tooling.ComposeAnimationType |
| |
| // TODO(b/160126628): support other animation types, e.g. AnimatedValue |
| /** |
| * Parses this [TransitionAnimation.TransitionAnimationClockObserver] into a [ComposeAnimation] |
| * of type [ComposeAnimationType.TRANSITION_ANIMATION]. |
| */ |
| @OptIn(InternalAnimationApi::class) |
| internal fun TransitionAnimation<*>.TransitionAnimationClockObserver.parse(): ComposeAnimation { |
| Log.d("ComposeAnimationParser", "TransitionAnimation subscribed") |
| animation.monotonic = false |
| val states = animation.getStates().filterNotNull().toSet() |
| return object : ComposeAnimation { |
| override fun getType() = ComposeAnimationType.TRANSITION_ANIMATION |
| |
| override fun getAnimation() = animation |
| |
| override fun getStates() = states |
| |
| override fun getLabel() = |
| animation.label ?: states.firstOrNull()?.let { it::class.simpleName } |
| } |
| } |