Refactoring of the screen magnification feature.
1. This patch takes care of the case where a magnified window is covering an unmagnigied
one. One example is a dialog that covers the IME window.
bug:7634430
2. Ensuring that the UI automator tool can connect and correctly dump the screen.
bug:7694696
3. Removed the partial implementation for multi display magnification. It adds
unnecessary complexity since it cannot be implemented without support for
input from multiple screens. We will revisit when necessary.
4. Moved the magnified border window as a surface in the window manager.
5. Moved the mediator APIs on the window manager and the policy methods on the
WindowManagerPolicy.
6. Implemented batch event processing for the accessibility input filter.
Change-Id: I4ebf68b94fb07201e124794f69611ece388ec116
diff --git a/core/java/android/view/WindowManagerPolicy.java b/core/java/android/view/WindowManagerPolicy.java
index 7bdb44c..47ef638 100644
--- a/core/java/android/view/WindowManagerPolicy.java
+++ b/core/java/android/view/WindowManagerPolicy.java
@@ -1134,4 +1134,23 @@
* {@link android.content.Intent#ACTION_ASSIST}
*/
public void showAssistant();
+
+ /**
+ * Returns whether a given window type can be magnified.
+ *
+ * @param windowType The window type.
+ * @return True if the window can be magnified.
+ */
+ public boolean canMagnifyWindow(int windowType);
+
+ /**
+ * Returns whether a given window type is considered a top level one.
+ * A top level window does not have a container, i.e. attached window,
+ * or if it has a container it is laid out as a top-level window, not
+ * as a child of its container.
+ *
+ * @param windowType The window type.
+ * @return True if the window is a top level one.
+ */
+ public boolean isTopLevelWindow(int windowType);
}