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.ImageView;
  37 import android.widget.ProgressBar;
  38 import android.widget.TextView;
  39
  40
  41 public class TokenAdapter extends TokenPersistenceBaseAdapter {
  42         private class ViewHolder {
  43                 Token token;
  44                 TextView code;
  45                 TextView label;
  46                 TextView issuer;
  47                 ProgressBar progress;
  48                 ImageView image;
  49         }
  50
  51         private static class Ticker extends Handler {
  52                 WeakReference<View> wr;
  53
  54                 public Ticker(View view) {
  55                         wr = new WeakReference<View>(view);
  56                 }
  57
  58                 @Override
  59                 public void handleMessage(Message msg) {
  60                         View view = wr.get();
  61                         if (view == null)
  62                                 return;
  63
  64                         ViewHolder holder = (ViewHolder) view.getTag();
  65                         holder.code.setText(holder.token.getCode());
  66
  67                         int progress = holder.token.getProgress();
  68                         holder.progress.setProgress(progress);
  69                         if (progress > 0 && progress < 950)
  70                                 view.setEnabled(true);
  71
  72                         if (holder.token.getType() == TokenType.HOTP && progress == 0) {
  73                                 holder.progress.setVisibility(View.GONE);
  74                                 holder.image.setVisibility(View.VISIBLE);
  75                         }
  76
  77                         start();
  78                 }
  79
  80                 public void start() {
  81                         stop();
  82                         sendEmptyMessageDelayed(0, 100);
  83                 }
  84
  85                 public void stop() {
  86                         removeMessages(0);
  87                 }
  88         }
  89
  90         private final LayoutInflater mLayoutInflater;
  91
  92         public TokenAdapter(Context ctx) {
  93                 super(ctx);
  94                 mLayoutInflater = (LayoutInflater) ctx.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
  95         }
  96
  97         @Override
  98         protected void bindView(View view, int position) {
  99                 super.bindView(view, position);
 100
 101                 ViewHolder holder = (ViewHolder) view.getTag();
 102                 holder.token = getItem(position);
 103
 104                 // Update views
 105                 holder.code.setText(holder.token.getCode());
 106                 holder.label.setText(holder.token.getLabel());
 107                 holder.issuer.setText(holder.token.getIssuer());
 108                 holder.progress.setProgress(holder.token.getProgress());
 109
 110                 // Update click listener
 111                 View.OnClickListener ocl = null;
 112                 if (holder.token.getType() == TokenType.HOTP) {
 113                         ocl = new View.OnClickListener() {
 114                                 @Override
 115                                 public void onClick(View v) {
 116                                         ViewHolder holder = (ViewHolder) v.getTag();
 117                                         holder.token.increment();
 118                                         holder.code.setText(holder.token.getCode());
 119                                         holder.progress.setVisibility(View.VISIBLE);
 120                                         holder.image.setVisibility(View.GONE);
 121                                         save(holder.token);
 122                                         v.setEnabled(false);
 123                                 }
 124                         };
 125                 }
 126                 view.setOnClickListener(ocl);
 127
 128                 if (holder.token.getType() == TokenType.TOTP) {
 129                         view.setBackgroundResource(R.drawable.token_normal);
 130                         holder.progress.setVisibility(View.VISIBLE);
 131                         holder.image.setVisibility(View.GONE);
 132                 } else {
 133                         view.setBackgroundResource(R.drawable.token);
 134                         holder.progress.setVisibility(View.GONE);
 135                         holder.image.setVisibility(View.VISIBLE);
 136                 }
 137         }
 138
 139         @Override
 140         protected View createView(ViewGroup parent, int type) {
 141                 View view = mLayoutInflater.inflate(R.layout.token, parent, false);
 142
 143                 ViewHolder holder = new ViewHolder();
 144                 holder.code = (TextView) view.findViewById(R.id.code);
 145                 holder.label = (TextView) view.findViewById(R.id.label);
 146                 holder.issuer = (TextView) view.findViewById(R.id.issuer);
 147                 holder.progress = (ProgressBar) view.findViewById(R.id.progress);
 148                 holder.image = (ImageView) view.findViewById(R.id.image);
 149                 view.setTag(holder);
 150
 151                 new Ticker(view).start();
 152
 153                 return view;
 154         }
 155
 156         @Override
 157         protected CompoundButton getCompoundButton(View view) {
 158                 return (CompoundButton) view.findViewById(R.id.checkBox);
 159         }
 160 }