src/com/owncloud/android/ui/activity/ErrorsWhileCopyingHandlerActivity.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.File;
  21 import java.util.ArrayList;
  22
  23 import android.accounts.Account;
  24 import android.content.Context;
  25 import android.content.Intent;
  26 import android.os.AsyncTask;
  27 import android.os.Bundle;
  28 import android.os.Handler;
  29 import android.support.v4.app.DialogFragment;
  30 import android.text.method.ScrollingMovementMethod;
  31 import android.view.LayoutInflater;
  32 import android.view.View;
  33 import android.view.View.OnClickListener;
  34 import android.view.ViewGroup;
  35 import android.widget.ArrayAdapter;
  36 import android.widget.Button;
  37 import android.widget.ListView;
  38 import android.widget.TextView;
  39 import android.widget.Toast;
  40
  41 import com.actionbarsherlock.app.SherlockFragmentActivity;
  42 import com.owncloud.android.Log_OC;
  43 import com.owncloud.android.R;
  44 import com.owncloud.android.datamodel.FileDataStorageManager;
  45 import com.owncloud.android.datamodel.OCFile;
  46 import com.owncloud.android.ui.dialog.IndeterminateProgressDialog;
  47 import com.owncloud.android.utils.FileStorageUtils;
  48
  49
  50 /**
  51  * Activity reporting errors occurred when local files uploaded to an ownCloud account with an app in
  52  * version under 1.3.16 where being copied to the ownCloud local folder.
  53  *
  54  * Allows the user move the files to the ownCloud local folder. let them unlinked to the remote
  55  * files.
  56  *
  57  * Shown when the error notification summarizing the list of errors is clicked by the user.
  58  *
  59  * @author David A. Velasco
  60  */
  61 public class ErrorsWhileCopyingHandlerActivity  extends SherlockFragmentActivity implements OnClickListener {
  62
  63     private static final String TAG = ErrorsWhileCopyingHandlerActivity.class.getSimpleName();
  64
  65     public static final String EXTRA_ACCOUNT = ErrorsWhileCopyingHandlerActivity.class.getCanonicalName() + ".EXTRA_ACCOUNT";
  66     public static final String EXTRA_LOCAL_PATHS = ErrorsWhileCopyingHandlerActivity.class.getCanonicalName() + ".EXTRA_LOCAL_PATHS";
  67     public static final String EXTRA_REMOTE_PATHS = ErrorsWhileCopyingHandlerActivity.class.getCanonicalName() + ".EXTRA_REMOTE_PATHS";
  68
  69     private static final String WAIT_DIALOG_TAG = "WAIT_DIALOG";
  70
  71     protected Account mAccount;
  72     protected FileDataStorageManager mStorageManager;
  73     protected ArrayList<String> mLocalPaths;
  74     protected ArrayList<String> mRemotePaths;
  75     protected ArrayAdapter<String> mAdapter;
  76     protected Handler mHandler;
  77     private DialogFragment mCurrentDialog;
  78
  79     /**
  80      * {@link}
  81      */
  82     @Override
  83     protected void onCreate(Bundle savedInstanceState) {
  84         super.onCreate(savedInstanceState);
  85
  86         /// read extra parameters in intent
  87         Intent intent = getIntent();
  88         mAccount = intent.getParcelableExtra(EXTRA_ACCOUNT);
  89         mRemotePaths = intent.getStringArrayListExtra(EXTRA_REMOTE_PATHS);
  90         mLocalPaths = intent.getStringArrayListExtra(EXTRA_LOCAL_PATHS);
  91         mStorageManager = new FileDataStorageManager(mAccount, getContentResolver());
  92         mHandler = new Handler();
  93         if (mCurrentDialog != null) {
  94             mCurrentDialog.dismiss();
  95             mCurrentDialog = null;
  96         }
  97
  98         /// load generic layout
  99         setContentView(R.layout.generic_explanation);
 100
 101         /// customize text message
 102         TextView textView = (TextView) findViewById(R.id.message);
 103         String appName = getString(R.string.app_name);
 104         String message = String.format(getString(R.string.sync_foreign_files_forgotten_explanation), appName, appName, appName, appName, mAccount.name);
 105         textView.setText(message);
 106         textView.setMovementMethod(new ScrollingMovementMethod());
 107
 108         /// load the list of local and remote files that failed
 109         ListView listView = (ListView) findViewById(R.id.list);
 110         if (mLocalPaths != null && mLocalPaths.size() > 0) {
 111             mAdapter = new ErrorsWhileCopyingListAdapter();
 112             listView.setAdapter(mAdapter);
 113         } else {
 114             listView.setVisibility(View.GONE);
 115             mAdapter = null;
 116         }
 117
 118         /// customize buttons
 119         Button cancelBtn = (Button) findViewById(R.id.cancel);
 120         Button okBtn = (Button) findViewById(R.id.ok);
 121         okBtn.setText(R.string.foreign_files_move);
 122         cancelBtn.setOnClickListener(this);
 123         okBtn.setOnClickListener(this);
 124     }
 125
 126
 127     /**
 128      * Customized adapter, showing the local files as main text in two-lines list item and the remote files
 129      * as the secondary text.
 130      *
 131      * @author David A. Velasco
 132      */
 133     public class ErrorsWhileCopyingListAdapter extends ArrayAdapter<String> {
 134
 135         ErrorsWhileCopyingListAdapter() {
 136             super(ErrorsWhileCopyingHandlerActivity.this, android.R.layout.two_line_list_item, android.R.id.text1, mLocalPaths);
 137         }
 138
 139         @Override
 140         public boolean isEnabled(int position) {
 141             return false;
 142         }
 143
 144         /**
 145          * {@inheritDoc}
 146          */
 147         @Override
 148         public View getView (int position, View convertView, ViewGroup parent) {
 149             View view = convertView;
 150             if (view == null) {
 151                 LayoutInflater vi = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 152                 view = vi.inflate(android.R.layout.two_line_list_item, null);
 153             }
 154             if (view != null)  {
 155                 String localPath = getItem(position);
 156                 if (localPath != null) {
 157                     TextView text1 = (TextView) view.findViewById(android.R.id.text1);
 158                     if (text1 != null) {
 159                         text1.setText(String.format(getString(R.string.foreign_files_local_text), localPath));
 160                     }
 161                 }
 162                 if (mRemotePaths != null && mRemotePaths.size() > 0 && position >= 0 && position < mRemotePaths.size()) {
 163                     TextView text2 = (TextView) view.findViewById(android.R.id.text2);
 164                     String remotePath = mRemotePaths.get(position);
 165                     if (text2 != null && remotePath != null) {
 166                         text2.setText(String.format(getString(R.string.foreign_files_remote_text), remotePath));
 167                     }
 168                 }
 169             }
 170             return view;
 171         }
 172     }
 173
 174
 175     /**
 176      * Listener method to perform the MOVE / CANCEL action available in this activity.
 177      *
 178      * @param v     Clicked view (button MOVE or CANCEL)
 179      */
 180     @Override
 181     public void onClick(View v) {
 182         if (v.getId() == R.id.ok) {
 183             /// perform movement operation in background thread
 184             Log_OC.d(TAG, "Clicked MOVE, start movement");
 185             new MoveFilesTask().execute();
 186
 187         } else if (v.getId() == R.id.cancel) {
 188             /// just finish
 189             Log_OC.d(TAG, "Clicked CANCEL, bye");
 190             finish();
 191
 192         } else {
 193             Log_OC.e(TAG, "Clicked phantom button, id: " + v.getId());
 194         }
 195     }
 196
 197
 198     /**
 199      * Asynchronous task performing the move of all the local files to the ownCloud folder.
 200      *
 201      * @author David A. Velasco
 202      */
 203     private class MoveFilesTask extends AsyncTask<Void, Void, Boolean> {
 204
 205         /**
 206          * Updates the UI before trying the movement
 207          */
 208         @Override
 209         protected void onPreExecute () {
 210             /// progress dialog and disable 'Move' button
 211             mCurrentDialog = IndeterminateProgressDialog.newInstance(R.string.wait_a_moment, false);
 212             mCurrentDialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 213             findViewById(R.id.ok).setEnabled(false);
 214         }
 215
 216
 217         /**
 218          * Performs the movement
 219          *
 220          * @return     'False' when the movement of any file fails.
 221          */
 222         @Override
 223         protected Boolean doInBackground(Void... params) {
 224             while (!mLocalPaths.isEmpty()) {
 225                 String currentPath = mLocalPaths.get(0);
 226                 File currentFile = new File(currentPath);
 227                 String expectedPath = FileStorageUtils.getSavePath(mAccount.name) + mRemotePaths.get(0);
 228                 File expectedFile = new File(expectedPath);
 229
 230                 if (expectedFile.equals(currentFile) || currentFile.renameTo(expectedFile)) {
 231                     // SUCCESS
 232                     OCFile file = mStorageManager.getFileByPath(mRemotePaths.get(0));
 233                     file.setStoragePath(expectedPath);
 234                     mStorageManager.saveFile(file);
 235                     mRemotePaths.remove(0);
 236                     mLocalPaths.remove(0);
 237
 238                 } else {
 239                     // FAIL
 240                     return false;
 241                 }
 242             }
 243             return true;
 244         }
 245
 246         /**
 247          * Updates the activity UI after the movement of local files is tried.
 248          *
 249          * If the movement was successful for all the files, finishes the activity immediately.
 250          *
 251          * In other case, the list of remaining files is still available to retry the movement.
 252          *
 253          * @param result      'True' when the movement was successful.
 254          */
 255         @Override
 256         protected void onPostExecute(Boolean result) {
 257             mAdapter.notifyDataSetChanged();
 258             mCurrentDialog.dismiss();
 259             mCurrentDialog = null;
 260             findViewById(R.id.ok).setEnabled(true);
 261
 262             if (result) {
 263                 // nothing else to do in this activity
 264                 Toast t = Toast.makeText(ErrorsWhileCopyingHandlerActivity.this, getString(R.string.foreign_files_success), Toast.LENGTH_LONG);
 265                 t.show();
 266                 finish();
 267
 268             } else {
 269                 Toast t = Toast.makeText(ErrorsWhileCopyingHandlerActivity.this, getString(R.string.foreign_files_fail), Toast.LENGTH_LONG);
 270                 t.show();
 271             }
 272         }
 273     }
 274
 275 }