WindowManagerImpl: set view.parent

src/api-impl/android/view/View.java

@@ -820,7 +820,7 @@ public class View implements Drawable.Callback {
 
 	public int id = NO_ID;
 	private int system_ui_visibility = 0;
-	public ViewGroup parent;
+	public ViewParent parent;
 	public AttributeSet attrs;
 	protected ViewGroup.LayoutParams layout_params;
 	private Context context;
@@ -1025,8 +1025,8 @@ public class View implements Drawable.Callback {
 		}
 
 		int gravity = params.gravity;
-		if (gravity == -1 && parent != null)
+		if (gravity == -1 && parent instanceof View)
-			gravity = parent.gravity;
+			gravity = ((View)parent).gravity;
 
 		int leftMargin = 0;
 		int topMargin = 0;
@@ -1489,8 +1489,8 @@ public class View implements Drawable.Callback {
 
 	public void requestLayout() {
 		layoutRequested = true;
-		if (parent != null && !parent.isLayoutRequested()) {
+		if (parent instanceof View && !parent.isLayoutRequested()) {
-			parent.requestLayout();
+			((View)parent).requestLayout();
 		}
 		native_requestLayout(widget);
 	};
@@ -1786,8 +1786,8 @@ public class View implements Drawable.Callback {
 
 	public View getRootView() {
 		View view = this;
-		while (view.parent != null) {
+		while (view.parent instanceof View) {
-			view = view.parent;
+			view = (View)view.parent;
 		}
 		return view;
 	}

src/api-impl/android/view/WindowManagerImpl.java

@@ -1,6 +1,46 @@
 package android.view;
 
 public class WindowManagerImpl implements WindowManager, ViewManager {
+
+	private static class WindowViewParent implements ViewParent {
+
+		@Override
+		public android.view.ViewParent getParent() {
+			// TODO Auto-generated method stub
+			throw new UnsupportedOperationException("Unimplemented method 'getParent'");
+		}
+
+		@Override
+		public boolean isLayoutRequested() {
+			// TODO Auto-generated method stub
+			throw new UnsupportedOperationException("Unimplemented method 'isLayoutRequested'");
+		}
+
+		@Override
+		public void requestDisallowInterceptTouchEvent(boolean disallowIntercept) {
+			// TODO Auto-generated method stub
+			throw new UnsupportedOperationException("Unimplemented method 'requestDisallowInterceptTouchEvent'");
+		}
+
+		@Override
+		public boolean onStartNestedScroll(View child, View target, int nestedScrollAxes) {
+			// TODO Auto-generated method stub
+			throw new UnsupportedOperationException("Unimplemented method 'onStartNestedScroll'");
+		}
+
+		@Override
+		public boolean onNestedPreFling(View target, float velocityX, float velocityY) {
+			// TODO Auto-generated method stub
+			throw new UnsupportedOperationException("Unimplemented method 'onNestedPreFling'");
+		}
+
+		@Override
+		public boolean onNestedFling(View target, float velocityX, float velocityY, boolean consumed) {
+			// TODO Auto-generated method stub
+			throw new UnsupportedOperationException("Unimplemented method 'onNestedFling'");
+		}
+	}
+
 	public android.view.Display getDefaultDisplay() {
 		return new android.view.Display();
 	}
@@ -11,6 +51,7 @@ public class WindowManagerImpl implements WindowManager, ViewManager {
 		if (params.height == 0)  // FIXME: remove this hack once measurement error with composeUI popups is fixed
 			params.height = 200;
 		view.setLayoutParams(params);
+		view.parent = new WindowViewParent();
 		view.onAttachedToWindow();
 		WindowManager.LayoutParams windowParams = (WindowManager.LayoutParams)params;
 		native_addView(view.widget, windowParams.type, windowParams.x, windowParams.y, params.width, params.height);
@@ -29,6 +70,7 @@ public class WindowManagerImpl implements WindowManager, ViewManager {
 	@Override
 	public void removeView(View view) {
 		native_removeView(view.widget);
+		view.parent = null;
 	}
 
 	@Override