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

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   @author David A. Velasco
   5  *   Copyright (C) 2015 ownCloud Inc.
   6  *
   7  *   This program is free software: you can redistribute it and/or modify
   8  *   it under the terms of the GNU General Public License version 2,
   9  *   as published by the Free Software Foundation.
  10  *
  11  *   This program is distributed in the hope that it will be useful,
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *   GNU General Public License for more details.
  15  *
  16  *   You should have received a copy of the GNU General Public License
  17  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  *
  19  */
  20
  21 package com.owncloud.android.ui.activity;
  22
  23 import java.io.File;
  24
  25 import android.accounts.Account;
  26 import android.app.AlertDialog;
  27 import android.content.DialogInterface;
  28 import android.content.Intent;
  29 import android.content.SharedPreferences;
  30 import android.os.AsyncTask;
  31 import android.os.Bundle;
  32 import android.os.Environment;
  33 import android.preference.PreferenceManager;
  34 import android.support.v4.app.DialogFragment;
  35 import android.support.v7.app.ActionBar;
  36 import android.view.Menu;
  37 import android.view.MenuInflater;
  38 import android.view.MenuItem;
  39 import android.view.View;
  40 import android.view.View.OnClickListener;
  41 import android.view.ViewGroup;
  42 import android.widget.ArrayAdapter;
  43 import android.widget.Button;
  44 import android.widget.TextView;
  45
  46 import com.owncloud.android.R;
  47 import com.owncloud.android.lib.common.utils.Log_OC;
  48 import com.owncloud.android.ui.dialog.ConfirmationDialogFragment;
  49 import com.owncloud.android.ui.dialog.IndeterminateProgressDialog;
  50 import com.owncloud.android.ui.dialog.ConfirmationDialogFragment.ConfirmationDialogFragmentListener;
  51 import com.owncloud.android.ui.fragment.LocalFileListFragment;
  52 import com.owncloud.android.utils.DisplayUtils;
  53 import com.owncloud.android.utils.FileStorageUtils;
  54
  55
  56 /**
  57  * Displays local files and let the user choose what of them wants to upload
  58  * to the current ownCloud account
  59  */
  60
  61 public class UploadFilesActivity extends FileActivity implements
  62     LocalFileListFragment.ContainerActivity, ActionBar.OnNavigationListener,
  63         OnClickListener, ConfirmationDialogFragmentListener {
  64
  65     private ArrayAdapter<String> mDirectories;
  66     private File mCurrentDir = null;
  67     private LocalFileListFragment mFileListFragment;
  68     private Button mCancelBtn;
  69     private Button mUploadBtn;
  70     private Account mAccountOnCreation;
  71     private DialogFragment mCurrentDialog;
  72
  73     public static final String EXTRA_CHOSEN_FILES =
  74             UploadFilesActivity.class.getCanonicalName() + ".EXTRA_CHOSEN_FILES";
  75
  76     public static final int RESULT_OK_AND_MOVE = RESULT_FIRST_USER;
  77
  78     private static final String KEY_DIRECTORY_PATH =
  79             UploadFilesActivity.class.getCanonicalName() + ".KEY_DIRECTORY_PATH";
  80     private static final String TAG = "UploadFilesActivity";
  81     private static final String WAIT_DIALOG_TAG = "WAIT";
  82     private static final String QUERY_TO_MOVE_DIALOG_TAG = "QUERY_TO_MOVE";
  83
  84
  85     @Override
  86     public void onCreate(Bundle savedInstanceState) {
  87         Log_OC.d(TAG, "onCreate() start");
  88         super.onCreate(savedInstanceState);
  89
  90         if(savedInstanceState != null) {
  91             mCurrentDir = new File(savedInstanceState.getString(
  92                     UploadFilesActivity.KEY_DIRECTORY_PATH));
  93         } else {
  94             mCurrentDir = Environment.getExternalStorageDirectory();
  95         }
  96
  97         mAccountOnCreation = getAccount();
  98
  99         /// USER INTERFACE
 100
 101         // Drop-down navigation
 102         mDirectories = new CustomArrayAdapter<String>(this,
 103                 R.layout.support_simple_spinner_dropdown_item);
 104         File currDir = mCurrentDir;
 105         while(currDir != null && currDir.getParentFile() != null) {
 106             mDirectories.add(currDir.getName());
 107             currDir = currDir.getParentFile();
 108         }
 109         mDirectories.add(File.separator);
 110
 111         // Inflate and set the layout view
 112         setContentView(R.layout.upload_files_layout);
 113         mFileListFragment = (LocalFileListFragment)
 114                 getSupportFragmentManager().findFragmentById(R.id.local_files_list);
 115
 116
 117         // Set input controllers
 118         mCancelBtn = (Button) findViewById(R.id.upload_files_btn_cancel);
 119         mCancelBtn.setOnClickListener(this);
 120         mUploadBtn = (Button) findViewById(R.id.upload_files_btn_upload);
 121         mUploadBtn.setOnClickListener(this);
 122
 123
 124         // Action bar setup
 125         ActionBar actionBar = getSupportActionBar();
 126         actionBar.setIcon(DisplayUtils.getSeasonalIconId());
 127         actionBar.setHomeButtonEnabled(true);   // mandatory since Android ICS, according to the
 128                                                 // official documentation
 129         actionBar.setDisplayHomeAsUpEnabled(mCurrentDir != null && mCurrentDir.getName() != null);
 130         actionBar.setDisplayShowTitleEnabled(false);
 131         actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
 132         actionBar.setListNavigationCallbacks(mDirectories, this);
 133
 134         // wait dialog
 135         if (mCurrentDialog != null) {
 136             mCurrentDialog.dismiss();
 137             mCurrentDialog = null;
 138         }
 139
 140         Log_OC.d(TAG, "onCreate() end");
 141     }
 142
 143     @Override
 144     public boolean onCreateOptionsMenu(Menu menu) {
 145         MenuInflater inflater = getMenuInflater();
 146         inflater.inflate(R.menu.uploader_menu, menu);
 147         return true;
 148     }
 149
 150
 151     @Override
 152     public boolean onOptionsItemSelected(MenuItem item) {
 153         boolean retval = true;
 154         switch (item.getItemId()) {
 155             case android.R.id.home: {
 156                 if(mCurrentDir != null && mCurrentDir.getParentFile() != null){
 157                     onBackPressed();
 158                 }
 159                 break;
 160             }
 161             case R.id.action_sort: {
 162                 SharedPreferences appPreferences = PreferenceManager
 163                         .getDefaultSharedPreferences(this);
 164
 165                 // Read sorting order, default to sort by name ascending
 166                 Integer sortOrder = appPreferences
 167                         .getInt("sortOrder", FileStorageUtils.SORT_NAME);
 168
 169                 AlertDialog.Builder builder = new AlertDialog.Builder(this);
 170                 builder.setTitle(R.string.actionbar_sort_title)
 171                         .setSingleChoiceItems(R.array.actionbar_sortby, sortOrder ,
 172                                 new DialogInterface.OnClickListener() {
 173                                     public void onClick(DialogInterface dialog, int which) {
 174                                         switch (which){
 175                                             case 0:
 176                                                 mFileListFragment.sortByName(true);
 177                                                 break;
 178                                             case 1:
 179                                                 mFileListFragment.sortByDate(false);
 180                                                 break;
 181                                         }
 182
 183                                         dialog.dismiss();
 184                                     }
 185                                 });
 186                 builder.create().show();
 187                 break;
 188             }
 189             default:
 190                 retval = super.onOptionsItemSelected(item);
 191         }
 192         return retval;
 193     }
 194
 195
 196     @Override
 197     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 198         int i = itemPosition;
 199         while (i-- != 0) {
 200             onBackPressed();
 201         }
 202         // the next operation triggers a new call to this method, but it's necessary to
 203         // ensure that the name exposed in the action bar is the current directory when the
 204         // user selected it in the navigation list
 205         if (itemPosition != 0)
 206             getSupportActionBar().setSelectedNavigationItem(0);
 207         return true;
 208     }
 209
 210
 211     @Override
 212     public void onBackPressed() {
 213         if (mDirectories.getCount() <= 1) {
 214             finish();
 215             return;
 216         }
 217         popDirname();
 218         mFileListFragment.onNavigateUp();
 219         mCurrentDir = mFileListFragment.getCurrentDirectory();
 220
 221         if(mCurrentDir.getParentFile() == null){
 222             ActionBar actionBar = getSupportActionBar();
 223             actionBar.setDisplayHomeAsUpEnabled(false);
 224         }
 225     }
 226
 227
 228     @Override
 229     protected void onSaveInstanceState(Bundle outState) {
 230         // responsibility of restore is preferred in onCreate() before than in
 231         // onRestoreInstanceState when there are Fragments involved
 232         Log_OC.d(TAG, "onSaveInstanceState() start");
 233         super.onSaveInstanceState(outState);
 234         outState.putString(UploadFilesActivity.KEY_DIRECTORY_PATH, mCurrentDir.getAbsolutePath());
 235         Log_OC.d(TAG, "onSaveInstanceState() end");
 236     }
 237
 238
 239     /**
 240      * Pushes a directory to the drop down list
 241      * @param directory to push
 242      * @throws IllegalArgumentException If the {@link File#isDirectory()} returns false.
 243      */
 244     public void pushDirname(File directory) {
 245         if(!directory.isDirectory()){
 246             throw new IllegalArgumentException("Only directories may be pushed!");
 247         }
 248         mDirectories.insert(directory.getName(), 0);
 249         mCurrentDir = directory;
 250     }
 251
 252     /**
 253      * Pops a directory name from the drop down list
 254      * @return True, unless the stack is empty
 255      */
 256     public boolean popDirname() {
 257         mDirectories.remove(mDirectories.getItem(0));
 258         return !mDirectories.isEmpty();
 259     }
 260
 261
 262     // Custom array adapter to override text colors
 263     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 264
 265         public CustomArrayAdapter(UploadFilesActivity ctx, int view) {
 266             super(ctx, view);
 267         }
 268
 269         public View getView(int position, View convertView, ViewGroup parent) {
 270             View v = super.getView(position, convertView, parent);
 271
 272             ((TextView) v).setTextColor(getResources().getColorStateList(
 273                     android.R.color.white));
 274             return v;
 275         }
 276
 277         public View getDropDownView(int position, View convertView,
 278                 ViewGroup parent) {
 279             View v = super.getDropDownView(position, convertView, parent);
 280
 281             ((TextView) v).setTextColor(getResources().getColorStateList(
 282                     android.R.color.white));
 283
 284             return v;
 285         }
 286
 287     }
 288
 289     /**
 290      * {@inheritDoc}
 291      */
 292     @Override
 293     public void onDirectoryClick(File directory) {
 294         pushDirname(directory);
 295         ActionBar actionBar = getSupportActionBar();
 296         actionBar.setDisplayHomeAsUpEnabled(true);
 297     }
 298
 299
 300     /**
 301      * {@inheritDoc}
 302      */
 303     @Override
 304     public void onFileClick(File file) {
 305         // nothing to do
 306     }
 307
 308     /**
 309      * {@inheritDoc}
 310      */
 311     @Override
 312     public File getInitialDirectory() {
 313         return mCurrentDir;
 314     }
 315
 316
 317     /**
 318      * Performs corresponding action when user presses 'Cancel' or 'Upload' button
 319      *
 320      * TODO Make here the real request to the Upload service ; will require to receive the account and
 321      * target folder where the upload must be done in the received intent.
 322      */
 323     @Override
 324     public void onClick(View v) {
 325         if (v.getId() == R.id.upload_files_btn_cancel) {
 326             setResult(RESULT_CANCELED);
 327             finish();
 328
 329         } else if (v.getId() == R.id.upload_files_btn_upload) {
 330             new CheckAvailableSpaceTask().execute();
 331         }
 332     }
 333
 334
 335     /**
 336      * Asynchronous task checking if there is space enough to copy all the files chosen
 337      * to upload into the ownCloud local folder.
 338      *
 339      * Maybe an AsyncTask is not strictly necessary, but who really knows.
 340      */
 341     private class CheckAvailableSpaceTask extends AsyncTask<Void, Void, Boolean> {
 342
 343         /**
 344          * Updates the UI before trying the movement
 345          */
 346         @Override
 347         protected void onPreExecute () {
 348             /// progress dialog and disable 'Move' button
 349             mCurrentDialog = IndeterminateProgressDialog.newInstance(R.string.wait_a_moment, false);
 350             mCurrentDialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 351         }
 352
 353
 354         /**
 355          * Checks the available space
 356          *
 357          * @return     'True' if there is space enough.
 358          */
 359         @Override
 360         protected Boolean doInBackground(Void... params) {
 361             String[] checkedFilePaths = mFileListFragment.getCheckedFilePaths();
 362             long total = 0;
 363             for (int i=0; checkedFilePaths != null && i < checkedFilePaths.length ; i++) {
 364                 String localPath = checkedFilePaths[i];
 365                 File localFile = new File(localPath);
 366                 total += localFile.length();
 367             }
 368             return (new Boolean(FileStorageUtils.getUsableSpace(mAccountOnCreation.name) >= total));
 369         }
 370
 371         /**
 372          * Updates the activity UI after the check of space is done.
 373          *
 374          * If there is not space enough. shows a new dialog to query the user if wants to move the files instead
 375          * of copy them.
 376          *
 377          * @param result        'True' when there is space enough to copy all the selected files.
 378          */
 379         @Override
 380         protected void onPostExecute(Boolean result) {
 381             mCurrentDialog.dismiss();
 382             mCurrentDialog = null;
 383
 384             if (result) {
 385                 // return the list of selected files (success)
 386                 Intent data = new Intent();
 387                 data.putExtra(EXTRA_CHOSEN_FILES, mFileListFragment.getCheckedFilePaths());
 388                 setResult(RESULT_OK, data);
 389                 finish();
 390
 391             } else {
 392                 // show a dialog to query the user if wants to move the selected files
 393                 // to the ownCloud folder instead of copying
 394                 String[] args = {getString(R.string.app_name)};
 395                 ConfirmationDialogFragment dialog = ConfirmationDialogFragment.newInstance(
 396                     R.string.upload_query_move_foreign_files, args, R.string.common_yes, -1, R.string.common_no
 397                 );
 398                 dialog.setOnConfirmationListener(UploadFilesActivity.this);
 399                 dialog.show(getSupportFragmentManager(), QUERY_TO_MOVE_DIALOG_TAG);
 400             }
 401         }
 402     }
 403
 404     @Override
 405     public void onConfirmation(String callerTag) {
 406         Log_OC.d(TAG, "Positive button in dialog was clicked; dialog tag is " + callerTag);
 407         if (callerTag.equals(QUERY_TO_MOVE_DIALOG_TAG)) {
 408             // return the list of selected files to the caller activity (success),
 409             // signaling that they should be moved to the ownCloud folder, instead of copied
 410             Intent data = new Intent();
 411             data.putExtra(EXTRA_CHOSEN_FILES, mFileListFragment.getCheckedFilePaths());
 412             setResult(RESULT_OK_AND_MOVE, data);
 413             finish();
 414         }
 415     }
 416
 417
 418     @Override
 419     public void onNeutral(String callerTag) {
 420         Log_OC.d(TAG, "Phantom neutral button in dialog was clicked; dialog tag is " + callerTag);
 421     }
 422
 423
 424     @Override
 425     public void onCancel(String callerTag) {
 426         /// nothing to do; don't finish, let the user change the selection
 427         Log_OC.d(TAG, "Negative button in dialog was clicked; dialog tag is " + callerTag);
 428     }
 429
 430
 431     @Override
 432     protected void onAccountSet(boolean stateWasRecovered) {
 433         super.onAccountSet(stateWasRecovered);
 434         if (getAccount() != null) {
 435             if (!mAccountOnCreation.equals(getAccount())) {
 436                 setResult(RESULT_CANCELED);
 437                 finish();
 438             }
 439
 440         } else {
 441             setResult(RESULT_CANCELED);
 442             finish();
 443         }
 444     }
 445
 446
 447 }