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.util.ArrayList;
  26
  27 import android.content.ActivityNotFoundException;
  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 import android.widget.Toast;
  40
  41 import com.actionbarsherlock.app.ActionBar;
  42 import com.actionbarsherlock.app.SherlockFragmentActivity;
  43 import com.actionbarsherlock.view.MenuItem;
  44 import com.owncloud.android.R;
  45 import com.owncloud.android.lib.common.utils.Log_OC;
  46 import com.owncloud.android.ui.dialog.LoadingDialog;
  47 import com.owncloud.android.utils.DisplayUtils;
  48 import com.owncloud.android.utils.FileStorageUtils;
  49
  50
  51 public class LogHistoryActivity extends SherlockFragmentActivity  {
  52
  53     private static final String MAIL_ATTACHMENT_TYPE = "text/plain";
  54
  55     private static final String TAG = LogHistoryActivity.class.getSimpleName();
  56
  57     private static final String DIALOG_WAIT_TAG = "DIALOG_WAIT";
  58
  59     private String mLogPath = FileStorageUtils.getLogPath();
  60     private File logDIR = null;
  61
  62
  63     @Override
  64     protected void onCreate(Bundle savedInstanceState) {
  65         super.onCreate(savedInstanceState);
  66
  67         setContentView(R.layout.log_send_file);
  68         setTitle(getText(R.string.actionbar_logger));
  69         ActionBar actionBar = getSherlock().getActionBar();
  70         actionBar.setIcon(DisplayUtils.getSeasonalIconId());
  71         actionBar.setDisplayHomeAsUpEnabled(true);
  72         Button deleteHistoryButton = (Button) findViewById(R.id.deleteLogHistoryButton);
  73         Button sendHistoryButton = (Button) findViewById(R.id.sendLogHistoryButton);
  74
  75         deleteHistoryButton.setOnClickListener(new OnClickListener() {
  76
  77             @Override
  78             public void onClick(View v) {
  79
  80                 Log_OC.deleteHistoryLogging();
  81                 finish();
  82             }
  83         });
  84
  85         sendHistoryButton.setOnClickListener(new OnClickListener() {
  86
  87             @Override
  88             public void onClick(View v) {
  89                 sendMail();
  90             }
  91         });
  92
  93         if (mLogPath != null) {
  94             logDIR = new File(mLogPath);
  95         }
  96
  97         if (logDIR != null && logDIR.isDirectory()) {
  98             // Show a dialog while log data is being loaded
  99             showLoadingDialog();
 100
 101             TextView logTV = (TextView) findViewById(R.id.logTV);
 102
 103             // Start a new thread that will load all the log data
 104             LoadingLogTask task = new LoadingLogTask(logTV);
 105             task.execute();
 106
 107         }
 108     }
 109
 110     @Override
 111     public boolean onMenuItemSelected(int featureId, MenuItem item) {
 112         super.onMenuItemSelected(featureId, item);
 113         switch (item.getItemId()) {
 114         case android.R.id.home:
 115             finish();
 116             break;
 117         default:
 118             return false;
 119         }
 120         return true;
 121     }
 122
 123
 124     /**
 125      * Start activity for sending email with logs attached
 126      */
 127     private void sendMail() {
 128
 129         String emailAddress = getString(R.string.mail_logger);
 130
 131         ArrayList<Uri> uris = new ArrayList<Uri>();
 132
 133         // Convert from paths to Android friendly Parcelable Uri's
 134         for (String file : Log_OC.getLogFileNames())
 135         {
 136             File logFile = new File(mLogPath, file);
 137             if (logFile.exists()) {
 138                 uris.add(Uri.fromFile(logFile));
 139             }
 140         }
 141
 142         Intent intent = new Intent(Intent.ACTION_SEND_MULTIPLE);
 143
 144         intent.putExtra(Intent.EXTRA_EMAIL, emailAddress);
 145         intent.putExtra(Intent.EXTRA_SUBJECT, getText(R.string.log_send_mail_subject));
 146         intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
 147         intent.setType(MAIL_ATTACHMENT_TYPE);
 148         intent.putParcelableArrayListExtra(Intent.EXTRA_STREAM, uris);
 149         try {
 150             startActivity(intent);
 151         } catch (ActivityNotFoundException e) {
 152             Toast.makeText(this, getString(R.string.log_send_no_mail_app), Toast.LENGTH_LONG).show();
 153             Log_OC.i(TAG, "Could not find app for sending log history.");
 154         }
 155
 156     }
 157
 158     /**
 159      *
 160      * Class for loading the log data async
 161      *
 162      */
 163     private class LoadingLogTask extends AsyncTask<String, Void, String> {
 164         private final WeakReference<TextView> textViewReference;
 165
 166         public LoadingLogTask(TextView logTV){
 167             // Use of a WeakReference to ensure the TextView can be garbage collected
 168             textViewReference  = new WeakReference<TextView>(logTV);
 169         }
 170
 171         protected String doInBackground(String... args) {
 172             return readLogFile();
 173         }
 174
 175         protected void onPostExecute(String result) {
 176             if (textViewReference != null && result != null) {
 177                 final TextView logTV = textViewReference.get();
 178                 if (logTV != null) {
 179                     logTV.setText(result);
 180                     dismissLoadingDialog();
 181                 }
 182             }
 183         }
 184
 185         /**
 186          * Read and show log file info
 187          */
 188         private String readLogFile() {
 189
 190             String[] logFileName = Log_OC.getLogFileNames();
 191
 192             //Read text from files
 193             StringBuilder text = new StringBuilder();
 194
 195             BufferedReader br = null;
 196             try {
 197                 String line;
 198
 199                 for (int i = logFileName.length-1; i >= 0; i--) {
 200                     File file = new File(mLogPath,logFileName[i]);
 201                     if (file.exists()) {
 202                         // Check if FileReader is ready
 203                         if (new FileReader(file).ready()) {
 204                             br = new BufferedReader(new FileReader(file));
 205                             while ((line = br.readLine()) != null) {
 206                                 // Append the log info
 207                                 text.append(line);
 208                                 text.append('\n');
 209                             }
 210                         }
 211                     }
 212                 }
 213             }
 214             catch (IOException e) {
 215                 Log_OC.d(TAG, e.getMessage().toString());
 216
 217             } finally {
 218                 if (br != null) {
 219                     try {
 220                         br.close();
 221                     } catch (IOException e) {
 222                         // ignore
 223                     }
 224                 }
 225             }
 226
 227             return text.toString();
 228         }
 229    }
 230
 231     /**
 232      * Show loading dialog
 233      */
 234     public void showLoadingDialog() {
 235         // Construct dialog
 236         LoadingDialog loading = new LoadingDialog(
 237                 getResources().getString(R.string.log_progress_dialog_text)
 238         );
 239         FragmentManager fm = getSupportFragmentManager();
 240         FragmentTransaction ft = fm.beginTransaction();
 241         loading.show(ft, DIALOG_WAIT_TAG);
 242     }
 243
 244     /**
 245      * Dismiss loading dialog
 246      */
 247     public void dismissLoadingDialog(){
 248         Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_WAIT_TAG);
 249         if (frag != null) {
 250             LoadingDialog loading = (LoadingDialog) frag;
 251             loading.dismiss();
 252         }
 253     }
 254 }