| package com.airbnb.lottie; |
| |
| import android.graphics.Path; |
| import android.support.annotation.Nullable; |
| |
| import java.util.List; |
| |
| class ShapeContent implements PathContent, BaseKeyframeAnimation.AnimationListener { |
| private final Path path = new Path(); |
| |
| private final LottieDrawable lottieDrawable; |
| private final BaseKeyframeAnimation<?, Path> shapeAnimation; |
| |
| private boolean isPathValid; |
| @Nullable private TrimPathContent trimPath; |
| |
| ShapeContent(LottieDrawable lottieDrawable, BaseLayer layer, ShapePath shape) { |
| this.lottieDrawable = lottieDrawable; |
| shapeAnimation = shape.getShapePath().createAnimation(); |
| layer.addAnimation(shapeAnimation); |
| shapeAnimation.addUpdateListener(this); |
| } |
| |
| @Override public void onValueChanged() { |
| invalidate(); |
| } |
| |
| private void invalidate() { |
| isPathValid = false; |
| lottieDrawable.invalidateSelf(); |
| } |
| |
| @Override public void setContents(List<Content> contentsBefore, List<Content> contentsAfter) { |
| for (int i = 0; i < contentsBefore.size(); i++) { |
| Content content = contentsBefore.get(i); |
| if (content instanceof TrimPathContent) { |
| trimPath = (TrimPathContent) content; |
| trimPath.addListener(this); |
| } |
| } |
| } |
| |
| @Override public Path getPath() { |
| if (isPathValid) { |
| return path; |
| } |
| |
| path.reset(); |
| |
| path.set(shapeAnimation.getValue()); |
| path.setFillType(Path.FillType.EVEN_ODD); |
| |
| Utils.applyTrimPathIfNeeded(path, trimPath); |
| |
| isPathValid = true; |
| return path; |
| } |
| } |