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      1 /*
      2  * Copyright (C) 2017 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.settings.connectivity.setup;
     18 
     19 import android.app.Activity;
     20 import android.arch.lifecycle.ViewModelProviders;
     21 import android.os.Bundle;
     22 import android.os.Handler;
     23 import android.os.Message;
     24 import android.support.v4.app.Fragment;
     25 import android.support.v4.app.FragmentActivity;
     26 
     27 import com.android.tv.settings.R;
     28 import com.android.tv.settings.connectivity.util.State;
     29 import com.android.tv.settings.connectivity.util.StateMachine;
     30 
     31 /**
     32  * State responsible for showing the connection successful page.
     33  */
     34 public class SuccessState implements State {
     35     private final FragmentActivity mActivity;
     36     private Fragment mFragment;
     37 
     38     public SuccessState(FragmentActivity activity) {
     39         mActivity = activity;
     40     }
     41 
     42     @Override
     43     public void processForward() {
     44         mFragment = SuccessFragment.newInstance(
     45                 mActivity.getString(R.string.wifi_setup_connection_success));
     46         FragmentChangeListener listener = (FragmentChangeListener) mActivity;
     47         if (listener != null) {
     48             listener.onFragmentChange(mFragment, true);
     49         }
     50     }
     51 
     52     @Override
     53     public void processBackward() {
     54         StateMachine stateMachine = ViewModelProviders.of(mActivity).get(StateMachine.class);
     55         stateMachine.back();
     56     }
     57 
     58     @Override
     59     public Fragment getFragment() {
     60         return mFragment;
     61     }
     62 
     63     /**
     64      * Fragment that shows network is successfully connected.
     65      */
     66     public static class SuccessFragment extends MessageFragment {
     67         private static final int MSG_TIME_OUT = 1;
     68         private static final int TIME_OUT_MS = 3 * 1000;
     69         private static final String KEY_TIME_OUT_DURATION = "time_out_duration";
     70         private Handler mTimeoutHandler;
     71 
     72         /**
     73          * Get the fragment based on the title.
     74          *
     75          * @param title title of the fragment.
     76          * @return the fragment.
     77          */
     78         public static SuccessFragment newInstance(String title) {
     79             SuccessFragment fragment = new SuccessFragment();
     80             Bundle args = new Bundle();
     81             addArguments(args, title, false);
     82             fragment.setArguments(args);
     83             return fragment;
     84         }
     85 
     86         @Override
     87         public void onCreate(Bundle savedInstanceState) {
     88             StateMachine stateMachine = ViewModelProviders
     89                     .of(getActivity())
     90                     .get(StateMachine.class);
     91             mTimeoutHandler = new Handler(getActivity().getMainLooper()) {
     92                 @Override
     93                 public void handleMessage(Message msg) {
     94                     switch (msg.what) {
     95                         case MSG_TIME_OUT:
     96                             stateMachine.finish(Activity.RESULT_OK);
     97                             break;
     98                         default:
     99                             break;
    100                     }
    101                 }
    102             };
    103             super.onCreate(savedInstanceState);
    104         }
    105 
    106         @Override
    107         public void onResume() {
    108             super.onResume();
    109             mTimeoutHandler.sendEmptyMessageDelayed(MSG_TIME_OUT,
    110                     getArguments().getInt(KEY_TIME_OUT_DURATION, TIME_OUT_MS));
    111         }
    112 
    113         @Override
    114         public void onPause() {
    115             super.onPause();
    116             mTimeoutHandler.removeMessages(MSG_TIME_OUT);
    117         }
    118     }
    119 }
    120