| /* |
| * Copyright (C) 2017 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 androidx.leanback.widget; |
| |
| import static androidx.annotation.RestrictTo.Scope.LIBRARY_GROUP_PREFIX; |
| |
| import android.content.Context; |
| import android.graphics.Rect; |
| import android.util.AttributeSet; |
| import android.view.FocusFinder; |
| import android.view.KeyEvent; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.LinearLayout; |
| |
| import androidx.annotation.RestrictTo; |
| import androidx.leanback.R; |
| |
| /** |
| * View for PlaybackTransportRowPresenter that has a custom focusSearch. |
| */ |
| @RestrictTo(LIBRARY_GROUP_PREFIX) |
| public class PlaybackTransportRowView extends LinearLayout { |
| |
| /** |
| */ |
| @RestrictTo(LIBRARY_GROUP_PREFIX) |
| public interface OnUnhandledKeyListener { |
| /** |
| * Returns true if the key event should be consumed. |
| */ |
| boolean onUnhandledKey(KeyEvent event); |
| } |
| |
| private OnUnhandledKeyListener mOnUnhandledKeyListener; |
| |
| public PlaybackTransportRowView(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| } |
| |
| public PlaybackTransportRowView(Context context, AttributeSet attrs, int defStyle) { |
| super(context, attrs, defStyle); |
| } |
| |
| void setOnUnhandledKeyListener(OnUnhandledKeyListener listener) { |
| mOnUnhandledKeyListener = listener; |
| } |
| |
| OnUnhandledKeyListener getOnUnhandledKeyListener() { |
| return mOnUnhandledKeyListener; |
| } |
| |
| @Override |
| public boolean dispatchKeyEvent(KeyEvent event) { |
| if (super.dispatchKeyEvent(event)) { |
| return true; |
| } |
| return mOnUnhandledKeyListener != null && mOnUnhandledKeyListener.onUnhandledKey(event); |
| } |
| |
| @Override |
| protected boolean onRequestFocusInDescendants(int direction, Rect previouslyFocusedRect) { |
| final View focused = findFocus(); |
| if (focused != null && focused.requestFocus(direction, previouslyFocusedRect)) { |
| return true; |
| } |
| View progress = findViewById(R.id.playback_progress); |
| if (progress != null && progress.isFocusable()) { |
| if (progress.requestFocus(direction, previouslyFocusedRect)) { |
| return true; |
| } |
| } |
| return super.onRequestFocusInDescendants(direction, previouslyFocusedRect); |
| } |
| |
| @Override |
| public View focusSearch(View focused, int direction) { |
| // when focusSearch vertically, return the next immediate focusable child |
| if (focused != null) { |
| if (direction == View.FOCUS_UP) { |
| int index = indexOfChild(getFocusedChild()); |
| for (index = index - 1; index >= 0; index--) { |
| View view = getChildAt(index); |
| if (view.hasFocusable()) { |
| return view; |
| } |
| } |
| } else if (direction == View.FOCUS_DOWN) { |
| int index = indexOfChild(getFocusedChild()); |
| for (index = index + 1; index < getChildCount(); index++) { |
| View view = getChildAt(index); |
| if (view.hasFocusable()) { |
| return view; |
| } |
| } |
| } else if (direction == View.FOCUS_LEFT || direction == View.FOCUS_RIGHT) { |
| if (getFocusedChild() instanceof ViewGroup) { |
| return FocusFinder.getInstance().findNextFocus( |
| (ViewGroup) getFocusedChild(), focused, direction); |
| } |
| } |
| } |
| return super.focusSearch(focused, direction); |
| } |
| |
| @Override |
| public boolean hasOverlappingRendering() { |
| return false; |
| } |
| } |