Add support for text color animations in PropertySetter.

Bug: 233223446
Test: manual
Change-Id: Id321ad7f21e804b1d1063fbe207fb783bb45f759
diff --git a/src/com/android/launcher3/LauncherAnimUtils.java b/src/com/android/launcher3/LauncherAnimUtils.java
index 808bf96..0c7c311 100644
--- a/src/com/android/launcher3/LauncherAnimUtils.java
+++ b/src/com/android/launcher3/LauncherAnimUtils.java
@@ -26,6 +26,7 @@
 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 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") {
diff --git a/src/com/android/launcher3/anim/AnimatedPropertySetter.java b/src/com/android/launcher3/anim/AnimatedPropertySetter.java
index e5f5e7c..373eb7e 100644
--- a/src/com/android/launcher3/anim/AnimatedPropertySetter.java
+++ b/src/com/android/launcher3/anim/AnimatedPropertySetter.java
@@ -89,6 +89,18 @@
         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
diff --git a/src/com/android/launcher3/anim/PropertySetter.java b/src/com/android/launcher3/anim/PropertySetter.java
index d2207f6..b0ed2d2 100644
--- a/src/com/android/launcher3/anim/PropertySetter.java
+++ b/src/com/android/launcher3/anim/PropertySetter.java
@@ -89,6 +89,16 @@
     }
 
     /**
+     * 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
      */
     public abstract void add(Animator animatorSet);