Merge "Add support for text color animations in PropertySetter." into tm-qpr-dev am: 4618d3471f

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/18717287

Change-Id: I225d6a6b824ac7577dfc086d1c6c5adca46c4483
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

src/com/android/launcher3/LauncherAnimUtils.java

@@ -26,6 +26,7 @@ import android.util.FloatProperty;
 import android.util.IntProperty;
 import android.view.View;
 import android.view.ViewGroup.LayoutParams;
+import android.widget.TextView;
 
 import com.android.launcher3.util.MultiScalePropertyFactory;
 
@@ -115,6 +116,32 @@ public class LauncherAnimUtils {
                 }
             };
 
+    public static final IntProperty<TextView> TEXT_COLOR =
+            new IntProperty<TextView>("textColor") {
+                @Override
+                public Integer get(TextView view) {
+                    return view.getTextColors().getDefaultColor();
+                }
+
+                @Override
+                public void setValue(TextView view, int color) {
+                    view.setTextColor(color);
+                }
+            };
+
+    public static final IntProperty<TextView> HINT_TEXT_COLOR =
+            new IntProperty<TextView>("hintTextColor") {
+                @Override
+                public Integer get(TextView view) {
+                    return view.getHintTextColors().getDefaultColor();
+                }
+
+                @Override
+                public void setValue(TextView view, int color) {
+                    view.setHintTextColor(color);
+                }
+            };
+
     public static final FloatProperty<View> VIEW_TRANSLATE_X =
             View.TRANSLATION_X instanceof FloatProperty ? (FloatProperty) View.TRANSLATION_X
                     : new FloatProperty<View>("translateX") {

src/com/android/launcher3/anim/AnimatedPropertySetter.java

@@ -97,6 +97,18 @@ public class AnimatedPropertySetter extends PropertySetter {
         return anim;
     }
 
+    @NonNull
+    @Override
+    public <T> Animator setColor(T target, IntProperty<T> property, int value,
+            TimeInterpolator interpolator) {
+        if (property.get(target) == value) {
+            return NO_OP;
+        }
+        Animator anim = ObjectAnimator.ofArgb(target, property, value);
+        anim.setInterpolator(interpolator);
+        add(anim);
+        return anim;
+    }
 
     /**
      * Adds a callback to be run on every frame of the animation

src/com/android/launcher3/anim/PropertySetter.java

@@ -88,6 +88,16 @@ public abstract class PropertySetter {
         return NO_OP;
     }
 
+    /**
+     * Updates a color property of the target using the provided interpolator
+     */
+    @NonNull
+    public <T> Animator setColor(T target, IntProperty<T> property, int value,
+            TimeInterpolator interpolator) {
+        property.setValue(target, value);
+        return NO_OP;
+    }
+
     /**
      * Runs the animation as part of setting the property
      */