src/com/owncloud/android/ui/activity/LogHistoryActivity.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012-2013 ownCloud Inc.
   3  *
   4  *   This program is free software: you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License version 2,
   6  *   as published by the Free Software Foundation.
   7  *
   8  *   This program is distributed in the hope that it will be useful,
   9  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  *   GNU General Public License for more details.
  12  *
  13  *   You should have received a copy of the GNU General Public License
  14  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15  *
  16  */
  17
  18 package com.owncloud.android.ui.activity;
  19
  20 import java.io.BufferedReader;
  21 import java.io.File;
  22 import java.io.FileReader;
  23 import java.io.IOException;
  24 import java.lang.ref.WeakReference;
  25 import java.lang.reflect.Field;
  26 import java.util.ArrayList;
  27
  28 import android.content.Intent;
  29 import android.net.Uri;
  30 import android.os.AsyncTask;
  31 import android.os.Bundle;
  32 import android.support.v4.app.Fragment;
  33 import android.support.v4.app.FragmentManager;
  34 import android.support.v4.app.FragmentTransaction;
  35 import android.view.View;
  36 import android.view.View.OnClickListener;
  37 import android.widget.Button;
  38 import android.widget.TextView;
  39
  40 import com.actionbarsherlock.app.ActionBar;
  41 import com.actionbarsherlock.app.SherlockFragmentActivity;
  42 import com.actionbarsherlock.view.MenuItem;
  43 import com.owncloud.android.R;
  44 import com.owncloud.android.lib.common.utils.Log_OC;
  45 import com.owncloud.android.ui.dialog.LoadingDialog;
  46 import com.owncloud.android.utils.DisplayUtils;
  47 import com.owncloud.android.utils.FileStorageUtils;
  48
  49
  50 public class LogHistoryActivity extends SherlockFragmentActivity  {
  51
  52     private static final String MAIL_ATTACHMENT_TYPE = "text/plain";
  53
  54     private static final String TAG = LogHistoryActivity.class.getSimpleName();
  55
  56     private static final String DIALOG_WAIT_TAG = "DIALOG_WAIT";
  57
  58     private String mLogPath = FileStorageUtils.getLogPath();
  59     private File logDIR = null;
  60
  61
  62     @Override
  63     protected void onCreate(Bundle savedInstanceState) {
  64         super.onCreate(savedInstanceState);
  65
  66         setContentView(R.layout.log_send_file);
  67         setTitle(getText(R.string.actionbar_logger));
  68         ActionBar actionBar = getSherlock().getActionBar();
  69         actionBar.setIcon(DisplayUtils.getSeasonalIconId());
  70         actionBar.setDisplayHomeAsUpEnabled(true);
  71         Button deleteHistoryButton = (Button) findViewById(R.id.deleteLogHistoryButton);
  72         Button sendHistoryButton = (Button) findViewById(R.id.sendLogHistoryButton);
  73
  74         deleteHistoryButton.setOnClickListener(new OnClickListener() {
  75
  76             @Override
  77             public void onClick(View v) {
  78
  79                 Log_OC.deleteHistoryLogging();
  80                 finish();
  81             }
  82         });
  83
  84         sendHistoryButton.setOnClickListener(new OnClickListener() {
  85
  86             @Override
  87             public void onClick(View v) {
  88                 sendMail();
  89             }
  90         });
  91
  92         if (mLogPath != null) {
  93             logDIR = new File(mLogPath);
  94         }
  95
  96         if (logDIR != null && logDIR.isDirectory()) {
  97             // Show a dialog while log data is being loaded
  98             showLoadingDialog();
  99
 100             TextView logTV = (TextView) findViewById(R.id.logTV);
 101
 102             // Start a new thread that will load all the log data
 103             LoadingLogTask task = new LoadingLogTask(logTV);
 104             task.execute();
 105
 106         }
 107     }
 108
 109     @Override
 110     public boolean onMenuItemSelected(int featureId, MenuItem item) {
 111         super.onMenuItemSelected(featureId, item);
 112         switch (item.getItemId()) {
 113         case android.R.id.home:
 114             finish();
 115             break;
 116         default:
 117             return false;
 118         }
 119         return true;
 120     }
 121
 122
 123     /**
 124      * Start activity for sending email with logs attached
 125      */
 126     private void sendMail() {
 127
 128         String emailAddress;
 129         try {
 130             Class<?> stringClass = R.string.class;
 131             Field mailLoggerField = stringClass.getField("mail_logger");
 132             int emailAddressId = (Integer)mailLoggerField.get(null);
 133             emailAddress = getString(emailAddressId);
 134
 135         } catch (Exception e) {
 136             emailAddress = "";
 137         }
 138
 139         ArrayList<Uri> uris = new ArrayList<Uri>();
 140
 141         // Convert from paths to Android friendly Parcelable Uri's
 142         for (String file : Log_OC.getLogFileNames())
 143         {
 144             if (new File(mLogPath + File.separator, file).exists()) {
 145                 Uri u = Uri.parse("file://" + mLogPath + File.separator + file);
 146                 uris.add(u);
 147             }
 148         }
 149
 150         Intent intent = new Intent(Intent.ACTION_SEND_MULTIPLE);
 151
 152         // Explicitly only use Gmail to send
 153         intent.setClassName("com.google.android.gm","com.google.android.gm.ComposeActivityGmail");
 154         intent.putExtra(Intent.EXTRA_EMAIL, new String[]{ emailAddress });
 155         intent.putExtra(Intent.EXTRA_SUBJECT, getText(R.string.log_mail_subject));
 156         intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
 157         intent.setType(MAIL_ATTACHMENT_TYPE);
 158         intent.putParcelableArrayListExtra(Intent.EXTRA_STREAM, uris);
 159
 160         if (intent.resolveActivity(getPackageManager()) != null) {
 161             startActivity(intent);
 162         }
 163     }
 164
 165     /**
 166      *
 167      * Class for loading the log data async
 168      *
 169      */
 170     private class LoadingLogTask extends AsyncTask<String, Void, String> {
 171         private final WeakReference<TextView> textViewReference;
 172
 173         public LoadingLogTask(TextView logTV){
 174             // Use of a WeakReference to ensure the TextView can be garbage collected
 175             textViewReference  = new WeakReference<TextView>(logTV);
 176         }
 177
 178         protected String doInBackground(String... args) {
 179             return readLogFile();
 180         }
 181
 182         protected void onPostExecute(String result) {
 183             if (textViewReference != null && result != null) {
 184                 final TextView logTV = textViewReference.get();
 185                 if (logTV != null) {
 186                     logTV.setText(result);
 187                     dismissLoadingDialog();
 188                 }
 189             }
 190         }
 191
 192         /**
 193          * Read and show log file info
 194          */
 195         private String readLogFile() {
 196
 197             String[] logFileName = Log_OC.getLogFileNames();
 198
 199             //Read text from files
 200             StringBuilder text = new StringBuilder();
 201
 202             BufferedReader br = null;
 203             try {
 204                 String line;
 205
 206                 for (int i = logFileName.length-1; i >= 0; i--) {
 207                     File file = new File(mLogPath,logFileName[i]);
 208                     if (file.exists()) {
 209                         // Check if FileReader is ready
 210                         if (new FileReader(file).ready()) {
 211                             br = new BufferedReader(new FileReader(file));
 212                             while ((line = br.readLine()) != null) {
 213                                 // Append the log info
 214                                 text.append(line);
 215                                 text.append('\n');
 216                             }
 217                         }
 218                     }
 219                 }
 220             }
 221             catch (IOException e) {
 222                 Log_OC.d(TAG, e.getMessage().toString());
 223
 224             } finally {
 225                 if (br != null) {
 226                     try {
 227                         br.close();
 228                     } catch (IOException e) {
 229                         // ignore
 230                     }
 231                 }
 232             }
 233
 234             return text.toString();
 235         }
 236    }
 237
 238     /**
 239      * Show loading dialog
 240      */
 241     public void showLoadingDialog() {
 242         // Construct dialog
 243         LoadingDialog loading = new LoadingDialog(
 244                 getResources().getString(R.string.log_progress_dialog_text)
 245         );
 246         FragmentManager fm = getSupportFragmentManager();
 247         FragmentTransaction ft = fm.beginTransaction();
 248         loading.show(ft, DIALOG_WAIT_TAG);
 249     }
 250
 251     /**
 252      * Dismiss loading dialog
 253      */
 254     public void dismissLoadingDialog(){
 255         Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_WAIT_TAG);
 256         if (frag != null) {
 257             LoadingDialog loading = (LoadingDialog) frag;
 258             loading.dismiss();
 259         }
 260     }
 261 }