lineage-sdk internal: Add StopMotionVectorDrawable from uicommon

*) Move it here so that external/uicommon can be deprecated. Origial uicommon StopMotionVectorDrawable.java history: Author: Adrian DC <radian.dc@gmail.com> Date: Fri Oct 28 10:55:25 2016 +0200 uicommon: Fix getAnimatorSetViaReflection UI usage * The receiver can be an instance of VectorDrawableAnimatorRT instead of VectorDrawableAnimatorUI since AOSP 7.x, therefore call the forceAnimationOnUI method to ensure mAnimatorSet is an instance of VectorDrawableAnimatorUI * Change introduced in "Support running AVD on UI thread", frameworks_base: I372ecd3dc52e3fa0bdce3a1e9c19443f9b199027 Change-Id: Ie00c86474f38600b4f10889e292b20a8f7e6531e Signed-off-by: Adrian DC <radian.dc@gmail.com> Author: Steve Kondik <steve@cyngn.com> Date: Wed Oct 12 17:02:17 2016 -0700 uicommon: Fix StopMotionVectorDrawable for N * The guts of AVD have changed in N, adjust hacks accordingly. Change-Id: Ia28c3099389252a3fd57373e02800fee9d467f64 Author: d34d <clark@cyngn.com> Date: Wed May 4 08:59:27 2016 -0700 Add StopMotionVectorDrawable to uicommon The StopMotionVectorDrawable provides control over the position within an animation set of the warpped AnimatedVectorDrawable. Change-Id: I586c54c7dbd5c9f6f373a87e544bc0669f4ba8f1 Change-Id: I868a852e6c5f6f1ab7926deeb109fc68ad4449da
2017-10-11 09:39:12 -07:00
parent 7659e2f4c4
commit 6904e77152
1 changed files with 102 additions and 0 deletions
--- a/sdk/src/java/org/lineageos/internal/graphics/drawable/StopMotionVectorDrawable.java
+++ b/sdk/src/java/org/lineageos/internal/graphics/drawable/StopMotionVectorDrawable.java
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2016 The CyanogenMod 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 org.lineageos.internal.graphics.drawable;
+
+import android.animation.Animator;
+import android.animation.AnimatorSet;
+import android.animation.ValueAnimator;
+import android.graphics.drawable.AnimatedVectorDrawable;
+import android.graphics.drawable.Drawable;
+import android.graphics.drawable.DrawableWrapper;
+import android.util.Log;
+
+import java.lang.reflect.Field;
+import java.util.ArrayList;
+
+/**
+ * Wraps an {@link AnimatedVectorDrawable} and provides methods for setting the temporal position
+ * within the backing {@link AnimatorSet} of the wrapped {@link AnimatedVectorDrawable}.
+ */
+public class StopMotionVectorDrawable extends DrawableWrapper {
+    private static final String TAG = StopMotionVectorDrawable.class.getSimpleName();
+
+    private AnimatedVectorDrawable mDrawable;
+    private AnimatorSet mAnimatorSet;
+
+    /**
+     * Creates a new wrapper around the specified drawable.
+     *
+     * @param dr The drawable to wrap.  Must be an {@link AnimatedVectorDrawable}
+     */
+    public StopMotionVectorDrawable(Drawable dr) {
+        super(dr);
+        setDrawable(dr);
+    }
+
+    /**
+     * {@see DrawableWrapper$setDrawable}
+     * @param dr the wrapped drawable
+     * @throws IllegalArgumentException IF drawable is not an {@link AnimatedVectorDrawable}
+     */
+    @Override
+    public void setDrawable(Drawable dr) {
+        if (dr != null && !(dr instanceof AnimatedVectorDrawable)) {
+            throw new IllegalArgumentException("Drawable must be an AnimatedVectorDrawable");
+        }
+
+        super.setDrawable(dr);
+        mDrawable = (AnimatedVectorDrawable) dr;
+        if (mDrawable != null) {
+            mDrawable.reset();
+            getAnimatorSetViaReflection();
+        }
+    }
+
+    /**
+     * {@see android.animation.ValueAnimator#setCurrentFraction}
+     * @param fraction The fraction to which the animation is advanced or rewound. Values outside
+     *                 the range of 0 to the maximum fraction for the animator will be clamped to
+     *                 the correct range.
+     */
+    public void setCurrentFraction(float fraction) {
+        if (mDrawable == null || mAnimatorSet == null) return;
+
+        ArrayList<Animator> animators = mAnimatorSet.getChildAnimations();
+        for (Animator animator : animators) {
+            if (animator instanceof ValueAnimator) {
+                ((ValueAnimator) animator).setCurrentFraction(fraction);
+            }
+        }
+
+        mDrawable.invalidateSelf();
+    }
+
+    private void getAnimatorSetViaReflection() {
+        try {
+            Field _mAnimatorSet = AnimatedVectorDrawable.class.getDeclaredField("mAnimatorSet");
+            _mAnimatorSet.setAccessible(true);
+            Class<?> innerClazz = Class.forName("android.graphics.drawable.AnimatedVectorDrawable$VectorDrawableAnimatorUI");
+            mDrawable.forceAnimationOnUI();
+            Object _inner = _mAnimatorSet.get(mDrawable);
+            Field _mSet = innerClazz.getDeclaredField("mSet");
+            _mSet.setAccessible(true);
+            mAnimatorSet = (AnimatorSet) _mSet.get(_inner);
+        } catch (NoSuchFieldException | IllegalAccessException | ClassNotFoundException e) {
+            Log.e(TAG, "Could not get mAnimatorSet via reflection", e);
+        }
+    }
+}