| /* |
| * 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 android.support.v17.leanback.widget; |
| |
| import android.content.Context; |
| import android.graphics.Rect; |
| import android.util.AttributeSet; |
| import android.view.KeyEvent; |
| import android.view.View; |
| import android.widget.LinearLayout; |
| |
| /** |
| * A LinearLayout that preserves the focused child view. |
| * @hide |
| */ |
| class PlaybackControlsRowView extends LinearLayout { |
| public interface OnUnhandledKeyListener { |
| /** |
| * Returns true if the key event should be consumed. |
| */ |
| public boolean onUnhandledKey(KeyEvent event); |
| } |
| |
| private OnUnhandledKeyListener mOnUnhandledKeyListener; |
| |
| public PlaybackControlsRowView(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| } |
| |
| public PlaybackControlsRowView(Context context, AttributeSet attrs, int defStyle) { |
| super(context, attrs, defStyle); |
| } |
| |
| public void setOnUnhandledKeyListener(OnUnhandledKeyListener listener) { |
| mOnUnhandledKeyListener = listener; |
| } |
| |
| public OnUnhandledKeyListener getOnUnhandledKeyListener() { |
| return mOnUnhandledKeyListener; |
| } |
| |
| @Override |
| public boolean dispatchKeyEvent(KeyEvent event) { |
| if (super.dispatchKeyEvent(event)) { |
| return true; |
| } |
| if (mOnUnhandledKeyListener != null && mOnUnhandledKeyListener.onUnhandledKey(event)) { |
| return true; |
| } |
| return false; |
| } |
| |
| @Override |
| protected boolean onRequestFocusInDescendants(int direction, Rect previouslyFocusedRect) { |
| final View focused = findFocus(); |
| if (focused != null && focused.requestFocus(direction, previouslyFocusedRect)) { |
| return true; |
| } |
| return super.onRequestFocusInDescendants(direction, previouslyFocusedRect); |
| } |
| } |