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Expand resolver drawer on accessibility gesture animation

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Add a accessibility delegate to the target list view that exapnds drawer
when a11y navigation reaches a partially hidden item in the list.

Fix: 287389443
Test: manual testing for various resolver layouts: "regular", with a
default/recent, and a miniresolver

Change-Id: I4b751cc19241ff9601e98bad78d270a1c74fe3f1
This commit is contained in:
Andrey Epin
2023-07-13 23:50:04 -07:00
parent 58545b826f
commit 1d45e08fda
1 changed files with 48 additions and 0 deletions
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48
core/java/com/android/internal/app/ResolverActivity.java
View File

@@ -39,6 +39,7 @@ import static android.view.WindowManager.LayoutParams.SYSTEM_FLAG_HIDE_NON_SYSTE
import static com.android.internal.annotations.VisibleForTesting.Visibility.PROTECTED;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.annotation.StringRes;
import android.annotation.UiThread;
@@ -67,6 +68,7 @@ import android.content.pm.UserInfo;
import android.content.res.Configuration;
import android.content.res.TypedArray;
import android.graphics.Insets;
import android.graphics.Rect;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.AsyncTask;
@@ -92,6 +94,7 @@ import android.view.ViewGroup.LayoutParams;
import android.view.Window;
import android.view.WindowInsets;
import android.view.WindowManager;
import android.view.accessibility.AccessibilityEvent;
import android.widget.AbsListView;
import android.widget.AdapterView;
import android.widget.Button;
@@ -481,6 +484,14 @@ public class ResolverActivity extends Activity implements
rdl.setOnApplyWindowInsetsListener(this::onApplyWindowInsets);
mResolverDrawerLayout = rdl;
for (int i = 0, size = mMultiProfilePagerAdapter.getCount(); i < size; i++) {
View view = mMultiProfilePagerAdapter.getItem(i).rootView.findViewById(
R.id.resolver_list);
if (view != null) {
view.setAccessibilityDelegate(new AppListAccessibilityDelegate(rdl));
}
}
}
mProfileView = findViewById(R.id.profile_button);
@@ -2600,4 +2611,41 @@ public class ResolverActivity extends Activity implements
}
return resolveInfo.userHandle;
}
/**
* An a11y delegate that expands resolver drawer when gesture navigation reaches a partially
* invisible target in the list.
*/
private static class AppListAccessibilityDelegate extends View.AccessibilityDelegate {
private final ResolverDrawerLayout mDrawer;
@Nullable
private final View mBottomBar;
private final Rect mRect = new Rect();
private AppListAccessibilityDelegate(ResolverDrawerLayout drawer) {
mDrawer = drawer;
mBottomBar = mDrawer.findViewById(R.id.button_bar_container);
}
@Override
public boolean onRequestSendAccessibilityEvent(@androidx.annotation.NonNull ViewGroup host,
@NonNull View child,
@NonNull AccessibilityEvent event) {
boolean result = super.onRequestSendAccessibilityEvent(host, child, event);
if (result && event.getEventType() == AccessibilityEvent.TYPE_VIEW_ACCESSIBILITY_FOCUSED
&& mDrawer.isCollapsed()) {
child.getBoundsOnScreen(mRect);
int childTop = mRect.top;
int childBottom = mRect.bottom;
mDrawer.getBoundsOnScreen(mRect, true);
int bottomBarHeight = mBottomBar == null ? 0 : mBottomBar.getHeight();
int drawerTop = mRect.top;
int drawerBottom = mRect.bottom - bottomBarHeight;
if (drawerTop > childTop || childBottom > drawerBottom) {
mDrawer.setCollapsed(false);
}
}
return result;
}
}
}