Compat-rotate motion-events injected into dispatcher

With the flag, dispatcher operates in physical space, so
if injecting into dispatcher, the events need to be 'un'rotated.

Bug: 179274888
Test: atest Launcher3Tests:com.android.launcher3.ui.TaplTestsLauncher3
Change-Id: I9abdfd0540354ab6e3eac34ae15b784c0fcf6e2e

1 files changed, 17 insertions, 0 deletions

diff --git a/core/java/android/view/MotionEvent.java b/core/java/android/view/MotionEvent.java
index 31ca8e124f9e..c23678a0b068 100644
--- a/core/java/android/view/MotionEvent.java
+++ b/core/java/android/view/MotionEvent.java
@@ -1569,6 +1569,8 @@ public final class MotionEvent extends InputEvent implements Parcelable {
             int axis, int pointerIndex, int historyPos);
     @FastNative
     private static native void nativeTransform(long nativePtr, Matrix matrix);
+    @FastNative
+    private static native void nativeApplyTransform(long nativePtr, Matrix matrix);
 
     // -------------- @CriticalNative ----------------------
 
@@ -3266,6 +3268,21 @@ public final class MotionEvent extends InputEvent implements Parcelable {
     }
 
     /**
+     * Transforms all of the points in the event directly instead of modifying the event's
+     * internal transform.
+     *
+     * @param matrix The transformation matrix to apply.
+     * @hide
+     */
+    public void applyTransform(Matrix matrix) {
+        if (matrix == null) {
+            throw new IllegalArgumentException("matrix must not be null");
+        }
+
+        nativeApplyTransform(mNativePtr, matrix);
+    }
+
+    /**
      * Add a new movement to the batch of movements in this event.  The event's
      * current location, position and size is updated to the new values.
      * The current values in the event are added to a list of historical values.