Animate grid tasks to modal state.
Bug: 265641913
Test: OverviewActionsControllerTest.java
Change-Id: I5cfa5bc3a9e0fdc024d0d709bfb2b5eccd6ea5a2
diff --git a/src/com/android/launcher3/Utilities.java b/src/com/android/launcher3/Utilities.java
index bd9493b..7011f58 100644
--- a/src/com/android/launcher3/Utilities.java
+++ b/src/com/android/launcher3/Utilities.java
@@ -38,6 +38,7 @@
import android.graphics.Matrix;
import android.graphics.Paint;
import android.graphics.Point;
+import android.graphics.PointF;
import android.graphics.Rect;
import android.graphics.RectF;
import android.graphics.drawable.AdaptiveIconDrawable;
@@ -343,6 +344,21 @@
}
/**
+ * Sets the x and y pivots for scaling from one Rect to another.
+ *
+ * @param src the source rectangle to scale from.
+ * @param dst the destination rectangle to scale to.
+ * @param outPivot the pivots set for scaling from src to dst.
+ */
+ public static void getPivotsForScalingRectToRect(Rect src, Rect dst, PointF outPivot) {
+ float pivotXPct = ((float) src.left - dst.left) / ((float) dst.width() - src.width());
+ outPivot.x = dst.left + dst.width() * pivotXPct;
+
+ float pivotYPct = ((float) src.top - dst.top) / ((float) dst.height() - src.height());
+ outPivot.y = dst.top + dst.height() * pivotYPct;
+ }
+
+ /**
* Maps t from one range to another range.
* @param t The value to map.
* @param fromMin The lower bound of the range that t is being mapped from.