/* * Copyright (C) 2015 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.tv.guide; import android.os.Bundle; import androidx.recyclerview.widget.RecyclerView; import androidx.recyclerview.widget.RecyclerViewAccessibilityDelegate; import android.view.View; import android.view.ViewGroup; import android.view.accessibility.AccessibilityEvent; import android.view.accessibility.AccessibilityNodeInfo; /** AccessibilityDelegate for {@link ProgramRow} */ class ProgramRowAccessibilityDelegate extends RecyclerViewAccessibilityDelegate { private final ItemDelegate mItemDelegate; ProgramRowAccessibilityDelegate(RecyclerView recyclerView) { super(recyclerView); mItemDelegate = new ItemDelegate(this) { @Override public boolean performAccessibilityAction(View host, int action, Bundle args) { // Prevent Accessibility service to move the Program Row elements // Ignoring Accessibility action above Set Text // (accessibilityActionShowOnScreen) if (action > AccessibilityNodeInfo.ACTION_SET_TEXT) { return false; } return super.performAccessibilityAction(host, action, args); } }; } @Override public ItemDelegate getItemDelegate() { return mItemDelegate; } @Override public boolean onRequestSendAccessibilityEvent( ViewGroup host, View child, AccessibilityEvent event) { // Forcing the next item to be visible for scrolling in forward direction if (event.getEventType() == AccessibilityEvent.TYPE_VIEW_FOCUSED) { ((ProgramRow) host).focusSearchAccessibility(child, View.FOCUS_FORWARD); } return super.onRequestSendAccessibilityEvent(host, child, event); } }