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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.usbtuner.setup;
     18 
     19 import android.content.Context;
     20 import android.content.res.Resources;
     21 import android.os.Bundle;
     22 import android.support.annotation.NonNull;
     23 import android.support.v17.leanback.widget.GuidanceStylist.Guidance;
     24 import android.support.v17.leanback.widget.GuidedAction;
     25 import android.view.LayoutInflater;
     26 import android.view.View;
     27 import android.view.ViewGroup;
     28 
     29 import com.android.tv.common.ui.setup.SetupGuidedStepFragment;
     30 import com.android.tv.common.ui.setup.SetupMultiPaneFragment;
     31 import com.android.usbtuner.R;
     32 import com.android.usbtuner.UsbTunerPreferences;
     33 
     34 import java.util.List;
     35 
     36 /**
     37  * A fragment for initial screen.
     38  */
     39 public class ScanResultFragment extends SetupMultiPaneFragment {
     40     public static final String ACTION_CATEGORY =
     41             "com.android.usbtuner.setup.ScanResultFragment";
     42 
     43     /**
     44      * An action which moves to previous page when the user presses BACK button.
     45      * In some cases, more than one page can be popped out.
     46      */
     47     public static final int ACTION_BACK_TO_CONNECTION_TYPE = ACTION_DONE - 1;
     48 
     49     @Override
     50     protected SetupGuidedStepFragment onCreateContentFragment() {
     51         return new ContentFragment();
     52     }
     53 
     54     @Override
     55     protected String getActionCategory() {
     56         return ACTION_CATEGORY;
     57     }
     58 
     59     @Override
     60     protected boolean needsDoneButton() {
     61         return false;
     62     }
     63 
     64     public static class ContentFragment extends SetupGuidedStepFragment {
     65         private int mChannelCountOnPreference;
     66 
     67         @Override
     68         public void onAttach(Context context) {
     69             super.onAttach(context);
     70             mChannelCountOnPreference = UsbTunerPreferences.getScannedChannelCount(context);
     71         }
     72 
     73         @NonNull
     74         @Override
     75         public Guidance onCreateGuidance(Bundle savedInstanceState) {
     76             String title;
     77             String description;
     78             String breadcrumb;
     79             if (mChannelCountOnPreference > 0) {
     80                 Resources res = getResources();
     81                 title = res.getQuantityString(R.plurals.ut_result_found_title,
     82                         mChannelCountOnPreference, mChannelCountOnPreference);
     83                 description = res.getQuantityString(R.plurals.ut_result_found_description,
     84                         mChannelCountOnPreference, mChannelCountOnPreference);
     85                 breadcrumb = null;
     86             } else {
     87                 title = getString(R.string.ut_result_not_found_title);
     88                 description = getString(R.string.ut_result_not_found_description);
     89                 breadcrumb = getString(R.string.ut_setup_breadcrumb);
     90             }
     91             return new Guidance(title, description, breadcrumb, null);
     92         }
     93 
     94         @Override
     95         public void onCreateActions(@NonNull List<GuidedAction> actions,
     96                 Bundle savedInstanceState) {
     97             String[] choices;
     98             int doneActionIndex;
     99             if (mChannelCountOnPreference > 0) {
    100                 choices = getResources().getStringArray(R.array.ut_result_found_choices);
    101                 doneActionIndex = 0;
    102             } else {
    103                 choices = getResources().getStringArray(R.array.ut_result_not_found_choices);
    104                 doneActionIndex = 1;
    105             }
    106             for (int i = 0; i < choices.length; ++i) {
    107                 if (i == doneActionIndex) {
    108                     actions.add(new GuidedAction.Builder(getActivity()).id(ACTION_DONE)
    109                             .title(choices[i]).build());
    110                 } else {
    111                     actions.add(new GuidedAction.Builder(getActivity()).id(i).title(choices[i])
    112                             .build());
    113                 }
    114             }
    115         }
    116 
    117         @Override
    118         protected String getActionCategory() {
    119             return ACTION_CATEGORY;
    120         }
    121     }
    122 }
    123