1/*
2 * Copyright (C) 2016 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
17package com.android.settings.password;
18
19import android.support.v7.widget.RecyclerView;
20import android.view.LayoutInflater;
21import android.view.View;
22import android.view.ViewGroup;
23import android.widget.TextView;
24
25import com.android.settings.R;
26
27import static com.android.settings.password.PasswordRequirementAdapter
28        .PasswordRequirementViewHolder;
29
30/**
31 * Used in {@link com.android.settings.ChooseLockPassword} to show password requirements.
32 */
33public class PasswordRequirementAdapter extends
34        RecyclerView.Adapter<PasswordRequirementViewHolder> {
35    private String[] mRequirements;
36
37    public PasswordRequirementAdapter() {
38        setHasStableIds(true);
39    }
40
41    @Override
42    public PasswordRequirementViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
43        View v = LayoutInflater.from(parent.getContext())
44                .inflate(R.layout.password_requirement_item, parent, false);
45        return new PasswordRequirementViewHolder(v);
46    }
47
48    @Override
49    public int getItemCount() {
50        return  mRequirements.length;
51    }
52
53    public void setRequirements(String[] requirements) {
54        mRequirements = requirements;
55        notifyDataSetChanged();
56    }
57
58    @Override
59    public long getItemId(int position) {
60        return mRequirements[position].hashCode();
61    }
62
63    @Override
64    public void onBindViewHolder(PasswordRequirementViewHolder holder, int position) {
65        holder.mDescriptionText.setText(mRequirements[position]);
66    }
67
68    public static class PasswordRequirementViewHolder extends RecyclerView.ViewHolder {
69        private TextView mDescriptionText;
70
71        public PasswordRequirementViewHolder(View itemView) {
72            super(itemView);
73            mDescriptionText = (TextView) itemView;
74        }
75    }
76
77}
78