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 as published by
   6  *   the Free Software Foundation, either version 2 of the License, or
   7  *   (at your option) any later version.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package com.owncloud.android.ui.activity;
  20
  21 import java.io.File;
  22 import java.util.ArrayList;
  23
  24 import android.accounts.Account;
  25 import android.content.Context;
  26 import android.content.Intent;
  27 import android.os.AsyncTask;
  28 import android.os.Bundle;
  29 import android.os.Handler;
  30 import android.support.v4.app.DialogFragment;
  31 import android.text.method.ScrollingMovementMethod;
  32 import android.util.Log;
  33 import android.view.LayoutInflater;
  34 import android.view.View;
  35 import android.view.View.OnClickListener;
  36 import android.view.ViewGroup;
  37 import android.widget.ArrayAdapter;
  38 import android.widget.Button;
  39 import android.widget.ListView;
  40 import android.widget.TextView;
  41 import android.widget.Toast;
  42
  43 import com.actionbarsherlock.app.SherlockFragmentActivity;
  44 import com.owncloud.android.Log_OC;
  45 import com.owncloud.android.R;
  46 import com.owncloud.android.datamodel.FileDataStorageManager;
  47 import com.owncloud.android.datamodel.OCFile;
  48 import com.owncloud.android.ui.dialog.IndeterminateProgressDialog;
  49 import com.owncloud.android.utils.FileStorageUtils;
  50
  51
  52 /**
  53  * Activity reporting errors occurred when local files uploaded to an ownCloud account with an app in
  54  * version under 1.3.16 where being copied to the ownCloud local folder.
  55  *
  56  * Allows the user move the files to the ownCloud local folder, or let them unlinked to the remote
  57  * files.
  58  *
  59  * Shown when the error notification summarizing the list of errors is clicked by the user.
  60  *
  61  * @author David A. Velasco
  62  */
  63 public class ErrorsWhileCopyingHandlerActivity  extends SherlockFragmentActivity implements OnClickListener {
  64
  65     private static final String TAG = ErrorsWhileCopyingHandlerActivity.class.getSimpleName();
  66
  67     public static final String EXTRA_ACCOUNT = ErrorsWhileCopyingHandlerActivity.class.getCanonicalName() + ".EXTRA_ACCOUNT";
  68     public static final String EXTRA_LOCAL_PATHS = ErrorsWhileCopyingHandlerActivity.class.getCanonicalName() + ".EXTRA_LOCAL_PATHS";
  69     public static final String EXTRA_REMOTE_PATHS = ErrorsWhileCopyingHandlerActivity.class.getCanonicalName() + ".EXTRA_REMOTE_PATHS";
  70
  71     private static final String WAIT_DIALOG_TAG = "WAIT_DIALOG";
  72
  73     protected Account mAccount;
  74     protected FileDataStorageManager mStorageManager;
  75     protected ArrayList<String> mLocalPaths;
  76     protected ArrayList<String> mRemotePaths;
  77     protected ArrayAdapter<String> mAdapter;
  78     protected Handler mHandler;
  79     private DialogFragment mCurrentDialog;
  80
  81     /**
  82      * {@link}
  83      */
  84     @Override
  85     protected void onCreate(Bundle savedInstanceState) {
  86         super.onCreate(savedInstanceState);
  87
  88         /// read extra parameters in intent
  89         Intent intent = getIntent();
  90         mAccount = intent.getParcelableExtra(EXTRA_ACCOUNT);
  91         mRemotePaths = intent.getStringArrayListExtra(EXTRA_REMOTE_PATHS);
  92         mLocalPaths = intent.getStringArrayListExtra(EXTRA_LOCAL_PATHS);
  93         mStorageManager = new FileDataStorageManager(mAccount, getContentResolver());
  94         mHandler = new Handler();
  95         if (mCurrentDialog != null) {
  96             mCurrentDialog.dismiss();
  97             mCurrentDialog = null;
  98         }
  99
 100         /// load generic layout
 101         setContentView(R.layout.generic_explanation);
 102
 103         /// customize text message
 104         TextView textView = (TextView) findViewById(R.id.message);
 105         String appName = getString(R.string.app_name);
 106         String message = String.format(getString(R.string.sync_foreign_files_forgotten_explanation), appName, appName, appName, appName, mAccount.name);
 107         textView.setText(message);
 108         textView.setMovementMethod(new ScrollingMovementMethod());
 109
 110         /// load the list of local and remote files that failed
 111         ListView listView = (ListView) findViewById(R.id.list);
 112         if (mLocalPaths != null && mLocalPaths.size() > 0) {
 113             mAdapter = new ErrorsWhileCopyingListAdapter();
 114             listView.setAdapter(mAdapter);
 115         } else {
 116             listView.setVisibility(View.GONE);
 117             mAdapter = null;
 118         }
 119
 120         /// customize buttons
 121         Button cancelBtn = (Button) findViewById(R.id.cancel);
 122         Button okBtn = (Button) findViewById(R.id.ok);
 123         okBtn.setText(R.string.foreign_files_move);
 124         cancelBtn.setOnClickListener(this);
 125         okBtn.setOnClickListener(this);
 126     }
 127
 128
 129     /**
 130      * Customized adapter, showing the local files as main text in two-lines list item and the remote files
 131      * as the secondary text.
 132      *
 133      * @author David A. Velasco
 134      */
 135     public class ErrorsWhileCopyingListAdapter extends ArrayAdapter<String> {
 136
 137         ErrorsWhileCopyingListAdapter() {
 138             super(ErrorsWhileCopyingHandlerActivity.this, android.R.layout.two_line_list_item, android.R.id.text1, mLocalPaths);
 139         }
 140
 141         @Override
 142         public boolean isEnabled(int position) {
 143             return false;
 144         }
 145
 146         /**
 147          * {@inheritDoc}
 148          */
 149         @Override
 150         public View getView (int position, View convertView, ViewGroup parent) {
 151             View view = convertView;
 152             if (view == null) {
 153                 LayoutInflater vi = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 154                 view = vi.inflate(android.R.layout.two_line_list_item, null);
 155             }
 156             if (view != null)  {
 157                 String localPath = getItem(position);
 158                 if (localPath != null) {
 159                     TextView text1 = (TextView) view.findViewById(android.R.id.text1);
 160                     if (text1 != null) {
 161                         text1.setText(String.format(getString(R.string.foreign_files_local_text), localPath));
 162                     }
 163                 }
 164                 if (mRemotePaths != null && mRemotePaths.size() > 0 && position >= 0 && position < mRemotePaths.size()) {
 165                     TextView text2 = (TextView) view.findViewById(android.R.id.text2);
 166                     String remotePath = mRemotePaths.get(position);
 167                     if (text2 != null && remotePath != null) {
 168                         text2.setText(String.format(getString(R.string.foreign_files_remote_text), remotePath));
 169                     }
 170                 }
 171             }
 172             return view;
 173         }
 174     }
 175
 176
 177     /**
 178      * Listener method to perform the MOVE / CANCEL action available in this activity.
 179      *
 180      * @param v     Clicked view (button MOVE or CANCEL)
 181      */
 182     @Override
 183     public void onClick(View v) {
 184         if (v.getId() == R.id.ok) {
 185             /// perform movement operation in background thread
 186             Log_OC.d(TAG, "Clicked MOVE, start movement");
 187             new MoveFilesTask().execute();
 188
 189         } else if (v.getId() == R.id.cancel) {
 190             /// just finish
 191             Log_OC.d(TAG, "Clicked CANCEL, bye");
 192             finish();
 193
 194         } else {
 195             Log_OC.e(TAG, "Clicked phantom button, id: " + v.getId());
 196         }
 197     }
 198
 199
 200     /**
 201      * Asynchronous task performing the move of all the local files to the ownCloud folder.
 202      *
 203      * @author David A. Velasco
 204      */
 205     private class MoveFilesTask extends AsyncTask<Void, Void, Boolean> {
 206
 207         /**
 208          * Updates the UI before trying the movement
 209          */
 210         @Override
 211         protected void onPreExecute () {
 212             /// progress dialog and disable 'Move' button
 213             mCurrentDialog = IndeterminateProgressDialog.newInstance(R.string.wait_a_moment, false);
 214             mCurrentDialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 215             findViewById(R.id.ok).setEnabled(false);
 216         }
 217
 218
 219         /**
 220          * Performs the movement
 221          *
 222          * @return     'False' when the movement of any file fails.
 223          */
 224         @Override
 225         protected Boolean doInBackground(Void... params) {
 226             while (!mLocalPaths.isEmpty()) {
 227                 String currentPath = mLocalPaths.get(0);
 228                 File currentFile = new File(currentPath);
 229                 String expectedPath = FileStorageUtils.getSavePath(mAccount.name) + mRemotePaths.get(0);
 230                 File expectedFile = new File(expectedPath);
 231
 232                 if (expectedFile.equals(currentFile) || currentFile.renameTo(expectedFile)) {
 233                     // SUCCESS
 234                     OCFile file = mStorageManager.getFileByPath(mRemotePaths.get(0));
 235                     file.setStoragePath(expectedPath);
 236                     mStorageManager.saveFile(file);
 237                     mRemotePaths.remove(0);
 238                     mLocalPaths.remove(0);
 239
 240                 } else {
 241                     // FAIL
 242                     return false;
 243                 }
 244             }
 245             return true;
 246         }
 247
 248         /**
 249          * Updates the activity UI after the movement of local files is tried.
 250          *
 251          * If the movement was successful for all the files, finishes the activity immediately.
 252          *
 253          * In other case, the list of remaining files is still available to retry the movement.
 254          *
 255          * @param result      'True' when the movement was successful.
 256          */
 257         @Override
 258         protected void onPostExecute(Boolean result) {
 259             mAdapter.notifyDataSetChanged();
 260             mCurrentDialog.dismiss();
 261             mCurrentDialog = null;
 262             findViewById(R.id.ok).setEnabled(true);
 263
 264             if (result) {
 265                 // nothing else to do in this activity
 266                 Toast t = Toast.makeText(ErrorsWhileCopyingHandlerActivity.this, getString(R.string.foreign_files_success), Toast.LENGTH_LONG);
 267                 t.show();
 268                 finish();
 269
 270             } else {
 271                 Toast t = Toast.makeText(ErrorsWhileCopyingHandlerActivity.this, getString(R.string.foreign_files_fail), Toast.LENGTH_LONG);
 272                 t.show();
 273             }
 274         }
 275     }
 276
 277 }