1 /* 2 * Copyright (C) 2019 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.graphics.drawable; 18 19 import com.android.tools.layoutlib.annotations.LayoutlibDelegate; 20 21 import android.graphics.Canvas; 22 import android.graphics.drawable.AnimatedVectorDrawable.VectorDrawableAnimatorRT; 23 24 public class AnimatedVectorDrawable_Delegate { 25 26 /** 27 * We would like to do the same as in {@link AnimatedVectorDrawable#draw}, but bypass the 28 * {@link Canvas#isHardwareAccelerated} check and call 29 * {@link AnimatedVectorDrawable#forceAnimationOnUI}. We need this for the callbacks to be 30 * properly set up so that {@link AnimatedVectorDrawable} receives property updates. 31 * TODO (b/141682855): Figure out how to properly manage this in the hardware accelerated case 32 */ 33 @LayoutlibDelegate draw(AnimatedVectorDrawable thisDrawable, Canvas canvas)34 static void draw(AnimatedVectorDrawable thisDrawable, Canvas canvas) { 35 if (thisDrawable.mAnimatorSet instanceof VectorDrawableAnimatorRT) { 36 // If we have SW canvas and the RT animation is waiting to start, We need to fallback 37 // to UI thread animation for AVD. 38 if (!thisDrawable.mAnimatorSet.isRunning() && 39 ((VectorDrawableAnimatorRT)thisDrawable.mAnimatorSet).mPendingAnimationActions.size() > 0) { 40 thisDrawable.forceAnimationOnUI(); 41 } 42 } 43 thisDrawable.draw_Original(canvas); 44 } 45 } 46