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      1 /*
      2  * Copyright (C) 2018 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;
     18 
     19 import android.arch.lifecycle.ViewModelProviders;
     20 import android.support.v4.app.Fragment;
     21 import android.support.v4.app.FragmentActivity;
     22 
     23 import com.android.tv.settings.connectivity.setup.AdvancedOptionsFlowInfo;
     24 import com.android.tv.settings.connectivity.util.State;
     25 import com.android.tv.settings.connectivity.util.StateMachine;
     26 
     27 /**
     28  * State responsible for deciding enter advanced flow or retry.
     29  */
     30 public class EnterAdvancedFlowOrRetryState implements State {
     31     private final FragmentActivity mActivity;
     32     private Fragment mFragment;
     33 
     34     public EnterAdvancedFlowOrRetryState(FragmentActivity activity) {
     35         mActivity = activity;
     36     }
     37 
     38     @Override
     39     public void processForward() {
     40         mFragment = null;
     41         StateMachine stateMachine = ViewModelProviders.of(mActivity).get(StateMachine.class);
     42         AdvancedOptionsFlowInfo advInfo = ViewModelProviders.of(mActivity)
     43                 .get(AdvancedOptionsFlowInfo.class);
     44         if (advInfo.canStart()) {
     45             stateMachine.getListener().onComplete(StateMachine.ENTER_ADVANCED_FLOW);
     46         } else {
     47             stateMachine.getListener().onComplete(StateMachine.CONTINUE);
     48         }
     49     }
     50 
     51     @Override
     52     public void processBackward() {
     53         mFragment = null;
     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