diff --git a/core/java/android/view/InputWindowHandle.java b/core/java/android/view/InputWindowHandle.java
index 45b3fdd..6a588eb8 100644
--- a/core/java/android/view/InputWindowHandle.java
+++ b/core/java/android/view/InputWindowHandle.java
@@ -26,6 +26,7 @@
 import android.gui.TouchOcclusionMode;
 import android.os.IBinder;
 import android.os.InputConfig;
+import android.util.Size;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
@@ -106,6 +107,9 @@
     // Window frame.
     public final Rect frame = new Rect();
 
+    // The real size of the content, excluding any crop. If no buffer is rendered, this is 0,0
+    public Size contentSize = new Size(0, 0);
+
     public int surfaceInset;
 
     // Global scaling factor applied to touch events when they are dispatched
@@ -199,6 +203,7 @@
             transform.set(other.transform);
         }
         focusTransferTarget = other.focusTransferTarget;
+        contentSize = new Size(other.contentSize.getWidth(), other.contentSize.getHeight());
     }
 
     @Override
@@ -211,6 +216,7 @@
                 .append(", windowToken=").append(windowToken)
                 .append(", displayId=").append(displayId)
                 .append(", isClone=").append((inputConfig & InputConfig.CLONE) != 0)
+                .append(", contentSize=").append(contentSize)
                 .toString();
 
     }
diff --git a/core/jni/android_hardware_input_InputWindowHandle.cpp b/core/jni/android_hardware_input_InputWindowHandle.cpp
index ea3c70f..c3d21a4 100644
--- a/core/jni/android_hardware_input_InputWindowHandle.cpp
+++ b/core/jni/android_hardware_input_InputWindowHandle.cpp
@@ -59,6 +59,7 @@
     jfieldID layoutParamsType;
     jfieldID dispatchingTimeoutMillis;
     jfieldID frame;
+    jfieldID contentSize;
     jfieldID surfaceInset;
     jfieldID scaleFactor;
     jfieldID touchableRegion;
@@ -281,6 +282,9 @@
     ScopedLocalRef<jobject> rectObj(env, JNICommon::objFromRect(env, windowInfo.frame));
     env->SetObjectField(inputWindowHandle, gInputWindowHandleClassInfo.frame, rectObj.get());
 
+    ScopedLocalRef<jobject> sizeObj(env, JNICommon::objFromSize(env, windowInfo.contentSize));
+    env->SetObjectField(inputWindowHandle, gInputWindowHandleClassInfo.contentSize, sizeObj.get());
+
     env->SetIntField(inputWindowHandle, gInputWindowHandleClassInfo.surfaceInset,
                      windowInfo.surfaceInset);
     env->SetFloatField(inputWindowHandle, gInputWindowHandleClassInfo.scaleFactor,
@@ -393,6 +397,9 @@
 
     GET_FIELD_ID(gInputWindowHandleClassInfo.frame, clazz, "frame", "Landroid/graphics/Rect;");
 
+    GET_FIELD_ID(gInputWindowHandleClassInfo.contentSize, clazz, "contentSize",
+                 "Landroid/util/Size;");
+
     GET_FIELD_ID(gInputWindowHandleClassInfo.surfaceInset, clazz,
             "surfaceInset", "I");
 
diff --git a/core/jni/jni_common.cpp b/core/jni/jni_common.cpp
index b81c9b6..dd69b16 100644
--- a/core/jni/jni_common.cpp
+++ b/core/jni/jni_common.cpp
@@ -34,6 +34,11 @@
     jfieldID top;
 } gRectClassInfo;
 
+static struct {
+    jclass clazz;
+    jmethodID ctor;
+} gSizeClassInfo;
+
 Rect JNICommon::rectFromObj(JNIEnv* env, jobject rectObj) {
     int left = env->GetIntField(rectObj, gRectClassInfo.left);
     int top = env->GetIntField(rectObj, gRectClassInfo.top);
@@ -47,6 +52,10 @@
                           rect.right, rect.bottom);
 }
 
+jobject JNICommon::objFromSize(JNIEnv* env, Size size) {
+    return env->NewObject(gSizeClassInfo.clazz, gSizeClassInfo.ctor, size.width, size.height);
+}
+
 int register_jni_common(JNIEnv* env) {
     jclass rectClazz = FindClassOrDie(env, "android/graphics/Rect");
     gRectClassInfo.clazz = MakeGlobalRefOrDie(env, rectClazz);
@@ -55,6 +64,11 @@
     gRectClassInfo.left = GetFieldIDOrDie(env, rectClazz, "left", "I");
     gRectClassInfo.right = GetFieldIDOrDie(env, rectClazz, "right", "I");
     gRectClassInfo.top = GetFieldIDOrDie(env, rectClazz, "top", "I");
+
+    jclass sizeClazz = FindClassOrDie(env, "android/util/Size");
+    gSizeClassInfo.clazz = MakeGlobalRefOrDie(env, sizeClazz);
+    gSizeClassInfo.ctor = GetMethodIDOrDie(env, sizeClazz, "<init>", "(II)V");
+
     return 0;
 }
 
diff --git a/core/jni/jni_common.h b/core/jni/jni_common.h
index d670a7d..f1c6014 100644
--- a/core/jni/jni_common.h
+++ b/core/jni/jni_common.h
@@ -14,14 +14,17 @@
  * limitations under the License.
  */
 #include <jni.h>
+#include <ui/Size.h>
 
 namespace android {
 
 class Rect;
+using ui::Size;
 
 class JNICommon {
 public:
     static Rect rectFromObj(JNIEnv* env, jobject rectObj);
     static jobject objFromRect(JNIEnv* env, Rect rect);
+    static jobject objFromSize(JNIEnv* env, Size size);
 };
 } // namespace android
\ No newline at end of file