Merge pull request #1088 from owncloud/updated_docs_about_target_of_PRs
[pub/Android/ownCloud.git] / src / com / owncloud / android / ui / activity / LogHistoryActivity.java
index 775bec9..71b9d57 100644 (file)
@@ -1,5 +1,7 @@
-/* ownCloud Android client application
- *   Copyright (C) 2012-2013 ownCloud Inc.
+/**
+ *   ownCloud Android client application
+ *
+ *   Copyright (C) 2015 ownCloud Inc.
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License version 2,
@@ -21,34 +23,47 @@ import java.io.BufferedReader;
 import java.io.File;
 import java.io.FileReader;
 import java.io.IOException;
+import java.lang.ref.WeakReference;
+import java.lang.reflect.Field;
+import java.util.ArrayList;
 
+import android.content.ActivityNotFoundException;
 import android.content.Intent;
 import android.net.Uri;
+import android.os.AsyncTask;
 import android.os.Bundle;
-
+import android.support.v4.app.Fragment;
+import android.support.v4.app.FragmentManager;
+import android.support.v4.app.FragmentTransaction;
+import android.support.v7.app.ActionBar;
+import android.support.v7.app.ActionBarActivity;
+import android.view.MenuItem;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.widget.Button;
 import android.widget.TextView;
+import android.widget.Toast;
 
-import com.actionbarsherlock.app.ActionBar;
-import com.actionbarsherlock.app.SherlockActivity;
-import com.actionbarsherlock.view.MenuItem;
 import com.owncloud.android.R;
+import com.owncloud.android.lib.common.utils.Log_OC;
+import com.owncloud.android.ui.dialog.LoadingDialog;
 import com.owncloud.android.utils.DisplayUtils;
 import com.owncloud.android.utils.FileStorageUtils;
-import com.owncloud.android.utils.Log_OC;
 
 
-public class LogHistoryActivity extends SherlockActivity {
+public class LogHistoryActivity extends ActionBarActivity {
+
+    private static final String MAIL_ATTACHMENT_TYPE = "text/plain";
 
-    private static final String MAIL_ATTACHMENT_TYPE = "plain/text";
-    private static final String LOGGER_FILE_NAME = "currentLog.txt";
+    private static final String KEY_LOG_TEXT = "LOG_TEXT";
 
     private static final String TAG = LogHistoryActivity.class.getSimpleName();
 
+    private static final String DIALOG_WAIT_TAG = "DIALOG_WAIT";
+
     private String mLogPath = FileStorageUtils.getLogPath();
     private File logDIR = null;
+    private String mLogText;
 
 
     @Override
@@ -57,18 +72,19 @@ public class LogHistoryActivity extends SherlockActivity {
 
         setContentView(R.layout.log_send_file);
         setTitle(getText(R.string.actionbar_logger));
-        ActionBar actionBar = getSherlock().getActionBar();
+        ActionBar actionBar = getSupportActionBar();
         actionBar.setIcon(DisplayUtils.getSeasonalIconId());
         actionBar.setDisplayHomeAsUpEnabled(true);
         Button deleteHistoryButton = (Button) findViewById(R.id.deleteLogHistoryButton);
         Button sendHistoryButton = (Button) findViewById(R.id.sendLogHistoryButton);
+        TextView logTV = (TextView) findViewById(R.id.logTV);
 
         deleteHistoryButton.setOnClickListener(new OnClickListener() {
             
             @Override
             public void onClick(View v) {
 
-                Log_OC.stopLogging();
+                Log_OC.deleteHistoryLogging();
                 finish();
             }
         });
@@ -81,25 +97,34 @@ public class LogHistoryActivity extends SherlockActivity {
             }
         });
 
-        if(mLogPath != null){
-        logDIR = new File(mLogPath);
-        }
+        if (savedInstanceState == null) {
+            if (mLogPath != null) {
+                logDIR = new File(mLogPath);
+            }
+
+            if (logDIR != null && logDIR.isDirectory()) {
+                // Show a dialog while log data is being loaded
+                showLoadingDialog();
 
-        if(logDIR != null && logDIR.isDirectory()) {
-            readLogFile();
+                // Start a new thread that will load all the log data
+                LoadingLogTask task = new LoadingLogTask(logTV);
+                task.execute();
+            }
+        } else {
+            mLogText = savedInstanceState.getString(KEY_LOG_TEXT);
+            logTV.setText(mLogText);
         }
     }
 
-
     @Override
-    public boolean onMenuItemSelected(int featureId, MenuItem item) {
-        super.onMenuItemSelected(featureId, item);
+    public boolean onOptionsItemSelected(MenuItem item) {
+        super.onOptionsItemSelected(item);
         switch (item.getItemId()) {
-        case android.R.id.home:
-            finish();
-            break;
-        default:
-            return false;
+            case android.R.id.home:
+                finish();
+                break;
+            default:
+                return false;
         }
         return true;
     }
@@ -110,51 +135,150 @@ public class LogHistoryActivity extends SherlockActivity {
      */
     private void sendMail() {
 
-        String emailAddresses[] = { getText(R.string.mail_logger).toString() };
-
-        Uri uri = Uri.parse("file://" + mLogPath + File.separator + LOGGER_FILE_NAME);
-        Intent intent = new Intent(Intent.ACTION_SEND);
+        // For the moment we need to consider the possibility that setup.xml
+        // does not include the "mail_logger" entry. This block prevents that
+        // compilation fails in this case.
+        String emailAddress;
+        try {
+            Class<?> stringClass = R.string.class;
+            Field mailLoggerField = stringClass.getField("mail_logger");
+            int emailAddressId = (Integer) mailLoggerField.get(null);
+            emailAddress = getString(emailAddressId);
+        } catch (Exception e) {
+            emailAddress = "";
+        }
+        
+        ArrayList<Uri> uris = new ArrayList<Uri>();
+
+        // Convert from paths to Android friendly Parcelable Uri's
+        for (String file : Log_OC.getLogFileNames())
+        {
+            File logFile = new File(mLogPath, file);
+            if (logFile.exists()) {
+                uris.add(Uri.fromFile(logFile));
+            }
+        }
 
-        // Explicitly only use Gmail to send
-        intent.setClassName("com.google.android.gm","com.google.android.gm.ComposeActivityGmail");
+        Intent intent = new Intent(Intent.ACTION_SEND_MULTIPLE);
 
-        intent.putExtra(Intent.EXTRA_EMAIL, emailAddresses);
-        intent.putExtra(Intent.EXTRA_SUBJECT, getText(R.string.log_mail_subject));
+        intent.putExtra(Intent.EXTRA_EMAIL, emailAddress);
+        String subject = String.format(getString(R.string.log_send_mail_subject), getString(R.string.app_name));
+        intent.putExtra(Intent.EXTRA_SUBJECT, subject);
         intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
         intent.setType(MAIL_ATTACHMENT_TYPE);
-
-        intent.putExtra(Intent.EXTRA_STREAM, uri);
-        if (intent.resolveActivity(getPackageManager()) != null) {
+        intent.putParcelableArrayListExtra(Intent.EXTRA_STREAM, uris);
+        try {
             startActivity(intent);
+        } catch (ActivityNotFoundException e) {
+            Toast.makeText(this, getString(R.string.log_send_no_mail_app), Toast.LENGTH_LONG).show();
+            Log_OC.i(TAG, "Could not find app for sending log history.");
         }
-    }
 
+    }
 
     /**
-     * Read and show log file info
+     *
+     * Class for loading the log data async
+     *
      */
-    private void readLogFile() {
+    private class LoadingLogTask extends AsyncTask<String, Void, String> {
+        private final WeakReference<TextView> textViewReference;
+
+        public LoadingLogTask(TextView logTV){
+            // Use of a WeakReference to ensure the TextView can be garbage collected
+            textViewReference  = new WeakReference<TextView>(logTV);
+        }
+
+        protected String doInBackground(String... args) {
+            return readLogFile();
+        }
+
+        protected void onPostExecute(String result) {
+            if (textViewReference != null && result != null) {
+                final TextView logTV = textViewReference.get();
+                if (logTV != null) {
+                    mLogText = result;
+                    logTV.setText(mLogText);
+                    dismissLoadingDialog();
+                }
+            }
+        }
+
+        /**
+         * Read and show log file info
+         */
+        private String readLogFile() {
+
+            String[] logFileName = Log_OC.getLogFileNames();
+
+            //Read text from files
+            StringBuilder text = new StringBuilder();
+
+            BufferedReader br = null;
+            try {
+                String line;
+
+                for (int i = logFileName.length-1; i >= 0; i--) {
+                    File file = new File(mLogPath,logFileName[i]);
+                    if (file.exists()) {
+                        // Check if FileReader is ready
+                        if (new FileReader(file).ready()) {
+                            br = new BufferedReader(new FileReader(file));
+                            while ((line = br.readLine()) != null) {
+                                // Append the log info
+                                text.append(line);
+                                text.append('\n');
+                            }
+                        }
+                    }
+                }
+            }
+            catch (IOException e) {
+                Log_OC.d(TAG, e.getMessage().toString());
+                
+            } finally {
+                if (br != null) {
+                    try {
+                        br.close();
+                    } catch (IOException e) {
+                        // ignore
+                    }
+                }
+            }
 
-      //Get the text file
-      File file = new File(mLogPath,LOGGER_FILE_NAME);
+            return text.toString();
+        }
+   }
 
-      //Read text from file
-      StringBuilder text = new StringBuilder();
+    /**
+     * Show loading dialog
+     */
+    public void showLoadingDialog() {
+        // Construct dialog
+        LoadingDialog loading = new LoadingDialog(
+                getResources().getString(R.string.log_progress_dialog_text)
+        );
+        FragmentManager fm = getSupportFragmentManager();
+        FragmentTransaction ft = fm.beginTransaction();
+        loading.show(ft, DIALOG_WAIT_TAG);
+    }
 
-      try {
-          BufferedReader br = new BufferedReader(new FileReader(file));
-          String line;
+    /**
+     * Dismiss loading dialog
+     */
+    public void dismissLoadingDialog(){
+        Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_WAIT_TAG);
+        if (frag != null) {
+            LoadingDialog loading = (LoadingDialog) frag;
+            loading.dismiss();
+        }
+    }
 
-          while ((line = br.readLine()) != null) {
-              text.append(line);
-              text.append('\n');
-          }
-      }
-      catch (IOException e) {
-          Log_OC.d(TAG, e.getMessage().toString());
-      }
+    @Override
+    protected void onSaveInstanceState(Bundle outState) {
+        super.onSaveInstanceState(outState);
 
-      TextView logTV = (TextView) findViewById(R.id.logTV);
-      logTV.setText(text);
+        /// global state
+        outState.putString(KEY_LOG_TEXT, mLogText);
     }
 }
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