| /* |
| * 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.app; |
| |
| import android.content.Context; |
| import android.support.v17.leanback.widget.Util; |
| import android.util.AttributeSet; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.LinearLayout; |
| |
| /** |
| * Utility class used by GuidedStepFragment to disable focus out left/right. |
| */ |
| class GuidedStepRootLayout extends LinearLayout { |
| |
| private boolean mFocusOutStart = false; |
| private boolean mFocusOutEnd = false; |
| |
| public GuidedStepRootLayout(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| } |
| |
| public GuidedStepRootLayout(Context context, AttributeSet attrs, int defStyleAttr) { |
| super(context, attrs, defStyleAttr); |
| } |
| |
| public void setFocusOutStart(boolean focusOutStart) { |
| mFocusOutStart = focusOutStart; |
| } |
| |
| public void setFocusOutEnd(boolean focusOutEnd) { |
| mFocusOutEnd = focusOutEnd; |
| } |
| |
| @Override |
| public View focusSearch(View focused, int direction) { |
| View newFocus = super.focusSearch(focused, direction); |
| if (direction == FOCUS_LEFT || direction == FOCUS_RIGHT) { |
| if (Util.isDescendant(this, newFocus)) { |
| return newFocus; |
| } |
| if (getLayoutDirection() == ViewGroup.LAYOUT_DIRECTION_LTR |
| ? direction == FOCUS_LEFT : direction == FOCUS_RIGHT) { |
| if (!mFocusOutStart) { |
| return focused; |
| } |
| } else { |
| if (!mFocusOutEnd) { |
| return focused; |
| } |
| } |
| } |
| return newFocus; |
| } |
| } |