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      1 /*
      2  * Copyright (C) 2015 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.tv.common.ui.setup;
     18 
     19 import android.os.Bundle;
     20 import android.view.LayoutInflater;
     21 import android.view.View;
     22 import android.view.ViewGroup;
     23 import android.view.ViewGroup.MarginLayoutParams;
     24 
     25 import com.android.tv.common.R;
     26 
     27 /**
     28  * A fragment for channel source info/setup.
     29  */
     30 public abstract class SetupMultiPaneFragment extends SetupFragment {
     31     public static final int ACTION_DONE = Integer.MAX_VALUE;
     32 
     33     @Override
     34     public View onCreateView(LayoutInflater inflater, ViewGroup container,
     35             Bundle savedInstanceState) {
     36         View view = super.onCreateView(inflater, container, savedInstanceState);
     37         SetupGuidedStepFragment contentFragment = onCreateContentFragment();
     38         getChildFragmentManager().beginTransaction()
     39                 .replace(R.id.guided_step_fragment_container, contentFragment).commit();
     40         if (needsDoneButton()) {
     41             setOnClickAction(view.findViewById(R.id.button_done), getActionCategory(), ACTION_DONE);
     42         } else {
     43             View doneButtonContainer = view.findViewById(R.id.done_button_container);
     44             // Use content view to check layout direction while view is being created.
     45             if (getResources().getConfiguration().getLayoutDirection()
     46                     == View.LAYOUT_DIRECTION_LTR) {
     47                 ((MarginLayoutParams) doneButtonContainer.getLayoutParams()).rightMargin =
     48                         -getResources().getDimensionPixelOffset(
     49                                 R.dimen.setup_done_button_container_width);
     50             } else {
     51                 ((MarginLayoutParams) doneButtonContainer.getLayoutParams()).leftMargin =
     52                         -getResources().getDimensionPixelOffset(
     53                                 R.dimen.setup_done_button_container_width);
     54             }
     55             view.findViewById(R.id.button_done).setFocusable(false);
     56         }
     57         return view;
     58     }
     59 
     60     @Override
     61     protected int getLayoutResourceId() {
     62         return R.layout.fragment_setup_multi_pane;
     63     }
     64 
     65     abstract protected SetupGuidedStepFragment onCreateContentFragment();
     66 
     67     abstract protected String getActionCategory();
     68 
     69     protected boolean needsDoneButton() {
     70         return true;
     71     }
     72 
     73     @Override
     74     protected int[] getParentIdsForDelay() {
     75         return new int[] {R.id.content_fragment, R.id.guidedactions_list};
     76     }
     77 
     78     @Override
     79     public int[] getSharedElementIds() {
     80         return new int[] {R.id.action_fragment_background, R.id.done_button_container};
     81     }
     82 }
     83