/* * 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. */ package com.google.android.material.floatingactionbutton; import android.animation.Animator; import android.animation.Animator.AnimatorListener; import android.animation.AnimatorSet; import androidx.annotation.AnimatorRes; import androidx.annotation.NonNull; import androidx.annotation.Nullable; import com.google.android.material.animation.MotionSpec; import com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton.OnChangedCallback; import java.util.List; /** * A delegate to perform actions that are coupled with animations on {@link * ExtendedFloatingActionButton}. */ interface MotionStrategy { void performNow(); MotionSpec getCurrentMotionSpec(); @AnimatorRes int getDefaultMotionSpecResource(); void setMotionSpec(@Nullable MotionSpec spec); @Nullable MotionSpec getMotionSpec(); AnimatorSet createAnimator(); void addAnimationListener(@NonNull AnimatorListener listener); void removeAnimationListener(@NonNull AnimatorListener listener); List getListeners(); void onAnimationStart(Animator animator); void onAnimationEnd(); void onAnimationCancel(); void onChange(@Nullable OnChangedCallback callback); boolean shouldCancel(); }