am 326d808b: Added View#dispatchViewVisibilityChanged and View#onDispatchVisibilityChanged; updated api; tests

Merge commit '326d808b858359464b2ffeb84f2e0a8e0c79b600' into eclair-mr2-plus-aosp

* commit '326d808b858359464b2ffeb84f2e0a8e0c79b600':
  Added View#dispatchViewVisibilityChanged and View#onDispatchVisibilityChanged; updated api; tests

core/java/android/test/InstrumentationTestCase.java

@@ -147,42 +147,6 @@ public class InstrumentationTestCase extends TestCase {
         }
     }
 
-    @Override
-    public void runBare() throws Throwable {
-        runMethod("setUp");
-
-        try {
-            runTest();
-        } finally {
-            runMethod("tearDown");            
-        }
-    }
-
-    private Throwable[] runMethod(String name) throws Throwable {
-        final Throwable[] exceptions = new Throwable[1];
-        final Method m = getClass().getMethod(name, (Class[]) null);
-
-        if (m.isAnnotationPresent(UiThreadTest.class)) {
-            getInstrumentation().runOnMainSync(new Runnable() {
-                public void run() {
-                    try {
-                        m.invoke(InstrumentationTestCase.this);                        
-                    } catch (Throwable throwable) {
-                        exceptions[0] = throwable;
-                    }
-                }
-            });
-            if (exceptions[0] != null) {
-                throw exceptions[0];
-            }
-            exceptions[0] = null;
-        } else {
-            m.invoke(this);
-        }
-
-        return exceptions;
-    }
-
     /**
      * Runs the current unit test. If the unit test is annotated with
      * {@link android.test.UiThreadTest}, the test is run on the UI thread.

core/java/android/view/View.java

@@ -3770,6 +3770,26 @@ public class View implements Drawable.Callback, KeyEvent.Callback, Accessibility
         return mAttachInfo != null && mAttachInfo.mHasWindowFocus;
     }
 
+    /**
+     * Dispatch a view visibility change down the view hierarchy.
+     * ViewGroups should override to route to their children.
+     * @param changedView The view whose visibility changed. Could be 'this' or
+     * an ancestor view.
+     * @param visibility The new visibility of changedView.
+     */
+    protected void dispatchVisibilityChanged(View changedView, int visibility) {
+        onVisibilityChanged(changedView, visibility);
+    }
+
+    /**
+     * Called when the visibility of the view or an ancestor of the view is changed.
+     * @param changedView The view whose visibility changed. Could be 'this' or
+     * an ancestor view.
+     * @param visibility The new visibility of changedView.
+     */
+    protected void onVisibilityChanged(View changedView, int visibility) {
+    }
+
     /**
      * Dispatch a window visibility change down the view hierarchy.
      * ViewGroups should override to route to their children.
@@ -4349,6 +4369,10 @@ public class View implements Drawable.Callback, KeyEvent.Callback, Accessibility
             }
         }
 
+        if ((changed & VISIBILITY_MASK) != 0) {
+            dispatchVisibilityChanged(this, (flags & VISIBILITY_MASK));
+        }
+
         if ((changed & WILL_NOT_CACHE_DRAWING) != 0) {
             destroyDrawingCache();
         }

core/java/android/view/ViewGroup.java

@@ -680,6 +680,19 @@ public abstract class ViewGroup extends View implements ViewParent, ViewManager
         }
     }
 
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    protected void dispatchVisibilityChanged(View changedView, int visibility) {
+        super.dispatchVisibilityChanged(changedView, visibility);
+        final int count = mChildrenCount;
+        final View[] children = mChildren;
+        for (int i = 0; i < count; i++) {
+            children[i].dispatchVisibilityChanged(changedView, visibility);
+        }
+    }
+
     /**
      * {@inheritDoc}
      */