Fix issue #5755172: Soft menu key disappears when menu is open
We need to work more like before in determining whether the menu
key is needed -- in some cases look back in the window list to
determine this if we don't know the value from the current window.
This requires adding a new private flag indicating whether the
compat menu state is known for a window, which is set by
PhoneWindow as part of its existing process of computing the flag
for its own windows.
Now we can have a new API on WindowState to determine the value
of this flag for a window, which if needed walks back in the window list
to find a window the value is known for (or stops at what the policy
has determined is the top full-screen window, so we stop like we used
to at things like the lock screen or the bottom of an application).
Change-Id: I829de6d629b5af8bcb422cb85249ee4041c7205e
diff --git a/core/java/android/view/WindowManager.java b/core/java/android/view/WindowManager.java
index e74fec6..c0eb65b 100644
--- a/core/java/android/view/WindowManager.java
+++ b/core/java/android/view/WindowManager.java
@@ -824,6 +824,16 @@
public static final int PRIVATE_FLAG_WANTS_OFFSET_NOTIFICATIONS = 0x00000004;
/**
+ * This is set for a window that has explicitly specified its
+ * FLAG_NEEDS_MENU_KEY, so we know the value on this window is the
+ * appropriate one to use. If this is not set, we should look at
+ * windows behind it to determine the appropriate value.
+ *
+ * @hide
+ */
+ public static final int PRIVATE_FLAG_SET_NEEDS_MENU_KEY = 0x00000008;
+
+ /**
* Control flags that are private to the platform.
* @hide
*/