Merge "Add a listener for when the illustration animation view is bound" into tm-qpr-dev

2 files changed, 52 insertions, 0 deletions

diff --git a/packages/SettingsLib/IllustrationPreference/src/com/android/settingslib/widget/IllustrationPreference.java b/packages/SettingsLib/IllustrationPreference/src/com/android/settingslib/widget/IllustrationPreference.java
index 468a97630e19..15920940140c 100644
--- a/packages/SettingsLib/IllustrationPreference/src/com/android/settingslib/widget/IllustrationPreference.java
+++ b/packages/SettingsLib/IllustrationPreference/src/com/android/settingslib/widget/IllustrationPreference.java
@@ -59,6 +59,18 @@ public class IllustrationPreference extends Preference {
     private Uri mImageUri;
     private Drawable mImageDrawable;
     private View mMiddleGroundView;
+    private OnBindListener mOnBindListener;
+
+    /**
+     * Interface to listen in on when {@link #onBindViewHolder(PreferenceViewHolder)} occurs.
+     */
+    public interface OnBindListener {
+        /**
+         * Called when when {@link #onBindViewHolder(PreferenceViewHolder)} occurs.
+         * @param animationView the animation view for this preference.
+         */
+        void onBind(LottieAnimationView animationView);
+    }
 
     private final Animatable2.AnimationCallback mAnimationCallback =
             new Animatable2.AnimationCallback() {
@@ -133,6 +145,17 @@ public class IllustrationPreference extends Preference {
         if (IS_ENABLED_LOTTIE_ADAPTIVE_COLOR) {
             ColorUtils.applyDynamicColors(getContext(), illustrationView);
         }
+
+        if (mOnBindListener != null) {
+            mOnBindListener.onBind(illustrationView);
+        }
+    }
+
+    /**
+     * Sets a listener to be notified when the views are binded.
+     */
+    public void setOnBindListener(OnBindListener listener) {
+        mOnBindListener = listener;
     }
 
     /**
diff --git a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/widget/IllustrationPreferenceTest.java b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/widget/IllustrationPreferenceTest.java
index 29549d9a7fa7..103512d4a28a 100644
--- a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/widget/IllustrationPreferenceTest.java
+++ b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/widget/IllustrationPreferenceTest.java
@@ -61,6 +61,8 @@ public class IllustrationPreferenceTest {
     private PreferenceViewHolder mViewHolder;
     private FrameLayout mMiddleGroundLayout;
     private final Context mContext = ApplicationProvider.getApplicationContext();
+    private IllustrationPreference.OnBindListener mOnBindListener;
+    private LottieAnimationView mOnBindListenerAnimationView;
 
     @Before
     public void setUp() {
@@ -82,6 +84,12 @@ public class IllustrationPreferenceTest {
 
         final AttributeSet attributeSet = Robolectric.buildAttributeSet().build();
         mPreference = new IllustrationPreference(mContext, attributeSet);
+        mOnBindListener = new IllustrationPreference.OnBindListener() {
+            @Override
+            public void onBind(LottieAnimationView animationView) {
+                mOnBindListenerAnimationView = animationView;
+            }
+        };
     }
 
     @Test
@@ -186,4 +194,25 @@ public class IllustrationPreferenceTest {
         assertThat(mBackgroundView.getMaxHeight()).isEqualTo(restrictedHeight);
         assertThat(mAnimationView.getMaxHeight()).isEqualTo(restrictedHeight);
     }
+
+    @Test
+    public void setOnBindListener_isNotified() {
+        mOnBindListenerAnimationView = null;
+        mPreference.setOnBindListener(mOnBindListener);
+
+        mPreference.onBindViewHolder(mViewHolder);
+
+        assertThat(mOnBindListenerAnimationView).isNotNull();
+        assertThat(mOnBindListenerAnimationView).isEqualTo(mAnimationView);
+    }
+
+    @Test
+    public void setOnBindListener_notNotified() {
+        mOnBindListenerAnimationView = null;
+        mPreference.setOnBindListener(null);
+
+        mPreference.onBindViewHolder(mViewHolder);
+
+        assertThat(mOnBindListenerAnimationView).isNull();
+    }
 }