/* * Copyright (C) 2018 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 android.view; import android.animation.Animator; import android.animation.AnimatorListenerAdapter; import android.graphics.RenderNode; import androidx.annotation.NonNull; /** * Maps a View to a RenderNode's AnimationHost * * @hide */ public class ViewAnimationHostBridge extends AnimatorListenerAdapter implements RenderNode.AnimationHost { private final View mView; /** * @param view the View to bridge to an AnimationHost */ public ViewAnimationHostBridge(View view) { mView = view; } @Override public void registerAnimatingRenderNode(RenderNode renderNode, Animator animator) { mView.mAttachInfo.mViewRootImpl.registerAnimatingRenderNode(renderNode); animator.addListener(this); } @Override public void registerVectorDrawableAnimator(NativeVectorDrawableAnimator animator) { mView.mAttachInfo.mViewRootImpl.registerVectorDrawableAnimator(animator); animator.setThreadedRendererAnimatorListener(this); } @Override public boolean isAttached() { return mView.mAttachInfo != null; } @Override public void onAnimationStart(@NonNull Animator animation) { ViewRootImpl viewRoot = mView.getViewRootImpl(); if (viewRoot != null) { viewRoot.addThreadedRendererView(mView); } } @Override public void onAnimationEnd(@NonNull Animator animation) { ViewRootImpl viewRoot = mView.getViewRootImpl(); if (viewRoot != null) { viewRoot.removeThreadedRendererView(mView); } } }