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Manually marking widgets recycler as non-scrollable of frozen

Browse Source 
There was hope that freezing automatically marks it as non-scrollable,
but this happened to be not true.

Sending accessibility event per pweaver@'s instructions.

Bug: 152354290
Change-Id: Idd04c69cef9e8e621775ef86112f35e3d9d9d2da
This commit is contained in:
vadimt
2020-04-14 19:21:07 -07:00
parent 047a54a21f
commit 31fa653ef3
2 changed files with 28 additions and 21 deletions
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28
src/com/android/launcher3/BaseRecyclerView.java
View File

@@ -16,17 +16,21 @@
package com.android.launcher3;
import static android.view.accessibility.AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED;
import android.content.Context;
import android.util.AttributeSet;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.accessibility.AccessibilityNodeInfo;
import androidx.recyclerview.widget.RecyclerView;
import com.android.launcher3.compat.AccessibilityManagerCompat;
import com.android.launcher3.testing.TestProtocol;
import com.android.launcher3.views.ActivityContext;
import com.android.launcher3.views.RecyclerViewFastScroller;
@@ -187,4 +191,28 @@ public abstract class BaseRecyclerView extends RecyclerView {
AccessibilityManagerCompat.sendScrollFinishedEventToTest(getContext());
}
}
@Override
public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
super.onInitializeAccessibilityNodeInfo(info);
if (isLayoutSuppressed()) info.setScrollable(false);
if (Utilities.IS_RUNNING_IN_TEST_HARNESS) {
Log.d(TestProtocol.NO_SCROLL_END_WIDGETS,
"onInitializeAccessibilityNodeInfo, scrollable: " + info.isScrollable());
}
}
@Override
public void setLayoutFrozen(boolean frozen) {
final boolean changing = frozen != isLayoutSuppressed();
super.setLayoutFrozen(frozen);
if (changing) {
if (Utilities.IS_RUNNING_IN_TEST_HARNESS) {
Log.d(TestProtocol.NO_SCROLL_END_WIDGETS, "setLayoutFrozen " + frozen
+ " @ " + Log.getStackTraceString(new Throwable()));
ActivityContext.lookupContext(getContext()).getDragLayer()
.sendAccessibilityEvent(TYPE_WINDOW_CONTENT_CHANGED);
}
}
}
}