Pileus Git - ~andy/freeotp/blob - src/org/fedorahosted/freeotp/adapters/TokenAdapter.java

   1 /*
   2  * FreeOTP
   3  *
   4  * Authors: Nathaniel McCallum <npmccallum@redhat.com>
   5  *
   6  * Copyright (C) 2013  Nathaniel McCallum, Red Hat
   7  *
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  *     http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  */
  20
  21 package org.fedorahosted.freeotp.adapters;
  22
  23 import java.lang.ref.WeakReference;
  24
  25 import org.fedorahosted.freeotp.R;
  26 import org.fedorahosted.freeotp.Token;
  27 import org.fedorahosted.freeotp.Token.TokenType;
  28
  29 import android.content.Context;
  30 import android.os.Handler;
  31 import android.os.Message;
  32 import android.view.LayoutInflater;
  33 import android.view.View;
  34 import android.view.ViewGroup;
  35 import android.widget.CompoundButton;
  36 import android.widget.ProgressBar;
  37 import android.widget.TextView;
  38
  39
  40 public class TokenAdapter extends TokenPersistenceBaseAdapter {
  41         private class ViewHolder {
  42                 Token token;
  43                 TextView code;
  44                 TextView label;
  45                 TextView issuer;
  46                 ProgressBar progress;
  47         }
  48
  49         private static class Ticker extends Handler {
  50                 WeakReference<View> wr;
  51
  52                 public Ticker(View view) {
  53                         wr = new WeakReference<View>(view);
  54                 }
  55
  56                 @Override
  57                 public void handleMessage(Message msg) {
  58                         View view = wr.get();
  59                         if (view == null)
  60                                 return;
  61
  62                         ViewHolder holder = (ViewHolder) view.getTag();
  63                         int progress = 1000 - holder.token.getProgress();
  64                         holder.code.setText(holder.token.getCode());
  65                         holder.progress.setProgress(progress);
  66                         if (progress > 0 && progress < 950)
  67                                 view.setEnabled(true);
  68                         start();
  69                 }
  70
  71                 public void start() {
  72                         stop();
  73                         sendEmptyMessageDelayed(0, 100);
  74                 }
  75
  76                 public void stop() {
  77                         removeMessages(0);
  78                 }
  79         }
  80
  81         private final LayoutInflater mLayoutInflater;
  82
  83         public TokenAdapter(Context ctx) {
  84                 super(ctx);
  85                 mLayoutInflater = (LayoutInflater) ctx.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
  86         }
  87
  88         @Override
  89         protected void bindView(View view, int position) {
  90                 super.bindView(view, position);
  91
  92                 ViewHolder holder = (ViewHolder) view.getTag();
  93                 holder.token = getItem(position);
  94
  95                 // Update views
  96                 holder.code.setText(holder.token.getCode());
  97                 holder.label.setText(holder.token.getLabel());
  98                 holder.issuer.setText(holder.token.getIssuer());
  99                 holder.progress.setProgress(holder.token.getProgress());
 100
 101                 // Update click listener
 102                 View.OnClickListener ocl = null;
 103                 if (holder.token.getType() == TokenType.HOTP) {
 104                         ocl = new View.OnClickListener() {
 105                                 @Override
 106                                 public void onClick(View v) {
 107                                         ViewHolder holder = (ViewHolder) v.getTag();
 108                                         holder.token.increment();
 109                                         holder.code.setText(holder.token.getCode());
 110                                         save(holder.token);
 111                                         v.setEnabled(false);
 112                                 }
 113                         };
 114                 }
 115                 view.setOnClickListener(ocl);
 116
 117                 if (holder.token.getType() == TokenType.TOTP)
 118                         view.setBackgroundResource(R.drawable.token_normal);
 119                 else
 120                         view.setBackgroundResource(R.drawable.token);
 121         }
 122
 123         @Override
 124         protected View createView(ViewGroup parent, int type) {
 125                 View view = mLayoutInflater.inflate(R.layout.token, parent, false);
 126
 127                 ViewHolder holder = new ViewHolder();
 128                 holder.code = (TextView) view.findViewById(R.id.code);
 129                 holder.label = (TextView) view.findViewById(R.id.label);
 130                 holder.issuer = (TextView) view.findViewById(R.id.issuer);
 131                 holder.progress = (ProgressBar) view.findViewById(R.id.progress);
 132                 view.setTag(holder);
 133
 134                 new Ticker(view).start();
 135
 136                 return view;
 137         }
 138
 139         @Override
 140         protected CompoundButton getCompoundButton(View view) {
 141                 return (CompoundButton) view.findViewById(R.id.checkBox);
 142         }
 143 }