Merge "Fixing App Selector scrolling with Talkback" into udc-qpr-dev (b563e766) · Commits · e / os / android_frameworks_base

core/java/com/android/internal/app/AbstractMultiProfilePagerAdapter.java

+3 −3

Original line number	Diff line number	Diff line
		@@ -177,7 +177,7 @@ public abstract class AbstractMultiProfilePagerAdapter extends PagerAdapter {
		* <code>1</code> would return the work profile {@link ProfileDescriptor}.</li>
		* </ul>
		*/
		abstract ProfileDescriptor getItem(int pageIndex);
		public abstract ProfileDescriptor getItem(int pageIndex);

		/**
		* Returns the number of {@link ProfileDescriptor} objects.
		@@ -438,8 +438,8 @@ public abstract class AbstractMultiProfilePagerAdapter extends PagerAdapter {
		&& isQuietModeEnabled(mWorkProfileUserHandle));
		}

		protected class ProfileDescriptor {
		final ViewGroup rootView;
		public static class ProfileDescriptor {
		public final ViewGroup rootView;
		private final ViewGroup mEmptyStateView;
		ProfileDescriptor(ViewGroup rootView) {
		this.rootView = rootView;

core/java/com/android/internal/app/ChooserMultiProfilePagerAdapter.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -94,7 +94,7 @@ public class ChooserMultiProfilePagerAdapter extends AbstractMultiProfilePagerAd
		}

		@Override
		ChooserProfileDescriptor getItem(int pageIndex) {
		public ChooserProfileDescriptor getItem(int pageIndex) {
		return mItems[pageIndex];
		}

core/java/com/android/internal/app/ResolverActivity.java

+2 −2

Original line number	Diff line number	Diff line
		@@ -2623,13 +2623,13 @@ public class ResolverActivity extends Activity implements
		* 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 {
		public 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) {
		public AppListAccessibilityDelegate(ResolverDrawerLayout drawer) {
		mDrawer = drawer;
		mBottomBar = mDrawer.findViewById(R.id.button_bar_container);
		}

core/java/com/android/internal/app/ResolverMultiProfilePagerAdapter.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -79,7 +79,7 @@ public class ResolverMultiProfilePagerAdapter extends AbstractMultiProfilePagerA
		}

		@Override
		ResolverProfileDescriptor getItem(int pageIndex) {
		public ResolverProfileDescriptor getItem(int pageIndex) {
		return mItems[pageIndex];
		}

packages/SystemUI/src/com/android/systemui/media/MediaProjectionAppSelectorActivity.kt

+50 −0

Original line number	Diff line number	Diff line
		@@ -29,7 +29,10 @@ import android.os.Bundle
		import android.os.IBinder
		import android.os.ResultReceiver
		import android.os.UserHandle
		import android.util.Log
		import android.view.View
		import android.view.ViewGroup
		import android.view.accessibility.AccessibilityEvent
		import androidx.lifecycle.Lifecycle
		import androidx.lifecycle.LifecycleOwner
		import androidx.lifecycle.LifecycleRegistry
		@@ -40,6 +43,9 @@ import com.android.internal.app.ChooserActivity
		import com.android.internal.app.ResolverListController
		import com.android.internal.app.chooser.NotSelectableTargetInfo
		import com.android.internal.app.chooser.TargetInfo
		import com.android.internal.widget.RecyclerView
		import com.android.internal.widget.RecyclerViewAccessibilityDelegate
		import com.android.internal.widget.ResolverDrawerLayout
		import com.android.systemui.R
		import com.android.systemui.mediaprojection.appselector.MediaProjectionAppSelectorComponent
		import com.android.systemui.mediaprojection.appselector.MediaProjectionAppSelectorController
		@@ -105,6 +111,10 @@ class MediaProjectionAppSelectorActivity(

		super.onCreate(bundle)
		controller.init()
		// we override AppList's AccessibilityDelegate set in ResolverActivity.onCreate because in
		// our case this delegate must extend RecyclerViewAccessibilityDelegate, otherwise
		// RecyclerView scrolling is broken
		setAppListAccessibilityDelegate()
		}

		override fun onStart() {
		@@ -277,6 +287,8 @@ class MediaProjectionAppSelectorActivity(
		recentsViewController.createView(parent)

		companion object {
		const val TAG = "MediaProjectionAppSelectorActivity"

		/**
		* When EXTRA_CAPTURE_REGION_RESULT_RECEIVER is passed as intent extra the activity will
		* send the [CaptureRegion] to the result receiver instead of returning media projection
		@@ -313,4 +325,42 @@ class MediaProjectionAppSelectorActivity(
		putExtra(EXTRA_SELECTED_PROFILE, selectedProfile)
		}
		}

		private fun setAppListAccessibilityDelegate() {
		val rdl = requireViewById<ResolverDrawerLayout>(com.android.internal.R.id.contentPanel)
		for (i in 0 until mMultiProfilePagerAdapter.count) {
		val list =
		mMultiProfilePagerAdapter
		.getItem(i)
		.rootView
		.findViewById<View>(com.android.internal.R.id.resolver_list)
		if (list == null \|\| list !is RecyclerView) {
		Log.wtf(TAG, "MediaProjection only supports RecyclerView")
		} else {
		list.accessibilityDelegate = RecyclerViewExpandingAccessibilityDelegate(rdl, list)
		}
		}
		}

		/**
		* An a11y delegate propagating all a11y events to [AppListAccessibilityDelegate] so that it can
		* expand drawer when needed. It needs to extend [RecyclerViewAccessibilityDelegate] because
		* that superclass handles RecyclerView scrolling while using a11y services.
		*/
		private class RecyclerViewExpandingAccessibilityDelegate(
		rdl: ResolverDrawerLayout,
		view: RecyclerView
		) : RecyclerViewAccessibilityDelegate(view) {

		private val delegate = AppListAccessibilityDelegate(rdl)

		override fun onRequestSendAccessibilityEvent(
		host: ViewGroup,
		child: View,
		event: AccessibilityEvent
		): Boolean {
		super.onRequestSendAccessibilityEvent(host, child, event)
		return delegate.onRequestSendAccessibilityEvent(host, child, event)
		}
		}
		}