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 android.accounts.Account;
  24 import android.app.AlertDialog;
  25 import android.content.DialogInterface;
  26 import android.content.Intent;
  27 import android.content.SharedPreferences;
  28 import android.os.AsyncTask;
  29 import android.os.Bundle;
  30 import android.os.Environment;
  31 import android.preference.PreferenceManager;
  32 import android.support.v4.app.DialogFragment;
  33 import android.support.v7.app.ActionBar;
  34 import android.view.Menu;
  35 import android.view.MenuInflater;
  36 import android.view.MenuItem;
  37 import android.view.View;
  38 import android.view.View.OnClickListener;
  39 import android.view.ViewGroup;
  40 import android.widget.ArrayAdapter;
  41 import android.widget.Button;
  42 import android.widget.RadioButton;
  43 import android.widget.TextView;
  44
  45 import com.owncloud.android.R;
  46 import com.owncloud.android.files.services.FileUploader;
  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.ConfirmationDialogFragment.ConfirmationDialogFragmentListener;
  50 import com.owncloud.android.ui.dialog.IndeterminateProgressDialog;
  51 import com.owncloud.android.ui.fragment.LocalFileListFragment;
  52 import com.owncloud.android.utils.FileStorageUtils;
  53
  54 import java.io.File;
  55
  56
  57 /**
  58  * Displays local files and let the user choose what of them wants to upload
  59  * to the current ownCloud account
  60  */
  61
  62 public class UploadFilesActivity extends FileActivity implements
  63     LocalFileListFragment.ContainerActivity, ActionBar.OnNavigationListener,
  64         OnClickListener, ConfirmationDialogFragmentListener {
  65
  66     private ArrayAdapter<String> mDirectories;
  67     private File mCurrentDir = null;
  68     private LocalFileListFragment mFileListFragment;
  69     private Button mCancelBtn;
  70     private Button mUploadBtn;
  71     private Account mAccountOnCreation;
  72     private DialogFragment mCurrentDialog;
  73
  74     public static final String EXTRA_CHOSEN_FILES =
  75             UploadFilesActivity.class.getCanonicalName() + ".EXTRA_CHOSEN_FILES";
  76
  77     public static final int RESULT_OK_AND_MOVE = RESULT_FIRST_USER;
  78
  79     private static final String KEY_DIRECTORY_PATH =
  80             UploadFilesActivity.class.getCanonicalName() + ".KEY_DIRECTORY_PATH";
  81     private static final String TAG = "UploadFilesActivity";
  82     private static final String WAIT_DIALOG_TAG = "WAIT";
  83     private static final String QUERY_TO_MOVE_DIALOG_TAG = "QUERY_TO_MOVE";
  84     private RadioButton mRadioBtnCopyFiles;
  85     private RadioButton mRadioBtnMoveFiles;
  86
  87
  88     @Override
  89     public void onCreate(Bundle savedInstanceState) {
  90         Log_OC.d(TAG, "onCreate() start");
  91         super.onCreate(savedInstanceState);
  92
  93         if(savedInstanceState != null) {
  94             mCurrentDir = new File(savedInstanceState.getString(
  95                     UploadFilesActivity.KEY_DIRECTORY_PATH));
  96         } else {
  97             mCurrentDir = Environment.getExternalStorageDirectory();
  98         }
  99
 100         mAccountOnCreation = getAccount();
 101
 102         /// USER INTERFACE
 103
 104         // Drop-down navigation
 105         mDirectories = new CustomArrayAdapter<String>(this,
 106                 R.layout.support_simple_spinner_dropdown_item);
 107         File currDir = mCurrentDir;
 108         while(currDir != null && currDir.getParentFile() != null) {
 109             mDirectories.add(currDir.getName());
 110             currDir = currDir.getParentFile();
 111         }
 112         mDirectories.add(File.separator);
 113
 114         // Inflate and set the layout view
 115         setContentView(R.layout.upload_files_layout);
 116         mFileListFragment = (LocalFileListFragment)
 117                 getSupportFragmentManager().findFragmentById(R.id.local_files_list);
 118
 119
 120         // Set input controllers
 121         mCancelBtn = (Button) findViewById(R.id.upload_files_btn_cancel);
 122         mCancelBtn.setOnClickListener(this);
 123         mUploadBtn = (Button) findViewById(R.id.upload_files_btn_upload);
 124         mUploadBtn.setOnClickListener(this);
 125
 126         SharedPreferences appPreferences = PreferenceManager
 127                 .getDefaultSharedPreferences(getApplicationContext());
 128
 129         Integer localBehaviour = appPreferences.getInt("prefs_uploader_behaviour", FileUploader.LOCAL_BEHAVIOUR_COPY);
 130
 131         mRadioBtnMoveFiles = (RadioButton) findViewById(R.id.upload_radio_move);
 132         if (localBehaviour == FileUploader.LOCAL_BEHAVIOUR_MOVE){
 133             mRadioBtnMoveFiles.setChecked(true);
 134         }
 135
 136         mRadioBtnCopyFiles = (RadioButton) findViewById(R.id.upload_radio_copy);
 137         if (localBehaviour == FileUploader.LOCAL_BEHAVIOUR_COPY){
 138             mRadioBtnCopyFiles.setChecked(true);
 139         }
 140
 141
 142         // Action bar setup
 143         ActionBar actionBar = getSupportActionBar();
 144         actionBar.setHomeButtonEnabled(true);   // mandatory since Android ICS, according to the
 145                                                 // official documentation
 146         actionBar.setDisplayHomeAsUpEnabled(mCurrentDir != null && mCurrentDir.getName() != null);
 147         actionBar.setDisplayShowTitleEnabled(false);
 148         actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
 149         actionBar.setListNavigationCallbacks(mDirectories, this);
 150
 151         // wait dialog
 152         if (mCurrentDialog != null) {
 153             mCurrentDialog.dismiss();
 154             mCurrentDialog = null;
 155         }
 156
 157         Log_OC.d(TAG, "onCreate() end");
 158     }
 159
 160     @Override
 161     public boolean onCreateOptionsMenu(Menu menu) {
 162         MenuInflater inflater = getMenuInflater();
 163         inflater.inflate(R.menu.uploader_menu, menu);
 164         return true;
 165     }
 166
 167
 168     @Override
 169     public boolean onOptionsItemSelected(MenuItem item) {
 170         boolean retval = true;
 171         switch (item.getItemId()) {
 172             case android.R.id.home: {
 173                 if(mCurrentDir != null && mCurrentDir.getParentFile() != null){
 174                     onBackPressed();
 175                 }
 176                 break;
 177             }
 178             case R.id.action_sort: {
 179                 SharedPreferences appPreferences = PreferenceManager
 180                         .getDefaultSharedPreferences(this);
 181
 182                 // Read sorting order, default to sort by name ascending
 183                 Integer sortOrder = appPreferences
 184                         .getInt("sortOrder", FileStorageUtils.SORT_NAME);
 185
 186                 AlertDialog.Builder builder = new AlertDialog.Builder(this);
 187                 builder.setTitle(R.string.actionbar_sort_title)
 188                         .setSingleChoiceItems(R.array.actionbar_sortby, sortOrder ,
 189                                 new DialogInterface.OnClickListener() {
 190                                     public void onClick(DialogInterface dialog, int which) {
 191                                         switch (which){
 192                                             case 0:
 193                                                 mFileListFragment.sortByName(true);
 194                                                 break;
 195                                             case 1:
 196                                                 mFileListFragment.sortByDate(false);
 197                                                 break;
 198                                         }
 199
 200                                         dialog.dismiss();
 201                                     }
 202                                 });
 203                 builder.create().show();
 204                 break;
 205             }
 206             default:
 207                 retval = super.onOptionsItemSelected(item);
 208         }
 209         return retval;
 210     }
 211
 212
 213     @Override
 214     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 215         int i = itemPosition;
 216         while (i-- != 0) {
 217             onBackPressed();
 218         }
 219         // the next operation triggers a new call to this method, but it's necessary to
 220         // ensure that the name exposed in the action bar is the current directory when the
 221         // user selected it in the navigation list
 222         if (itemPosition != 0)
 223             getSupportActionBar().setSelectedNavigationItem(0);
 224         return true;
 225     }
 226
 227
 228     @Override
 229     public void onBackPressed() {
 230         if (mDirectories.getCount() <= 1) {
 231             finish();
 232             return;
 233         }
 234         popDirname();
 235         mFileListFragment.onNavigateUp();
 236         mCurrentDir = mFileListFragment.getCurrentDirectory();
 237
 238         if(mCurrentDir.getParentFile() == null){
 239             ActionBar actionBar = getSupportActionBar();
 240             actionBar.setDisplayHomeAsUpEnabled(false);
 241         }
 242     }
 243
 244
 245     @Override
 246     protected void onSaveInstanceState(Bundle outState) {
 247         // responsibility of restore is preferred in onCreate() before than in
 248         // onRestoreInstanceState when there are Fragments involved
 249         Log_OC.d(TAG, "onSaveInstanceState() start");
 250         super.onSaveInstanceState(outState);
 251         outState.putString(UploadFilesActivity.KEY_DIRECTORY_PATH, mCurrentDir.getAbsolutePath());
 252         Log_OC.d(TAG, "onSaveInstanceState() end");
 253     }
 254
 255
 256     /**
 257      * Pushes a directory to the drop down list
 258      * @param directory to push
 259      * @throws IllegalArgumentException If the {@link File#isDirectory()} returns false.
 260      */
 261     public void pushDirname(File directory) {
 262         if(!directory.isDirectory()){
 263             throw new IllegalArgumentException("Only directories may be pushed!");
 264         }
 265         mDirectories.insert(directory.getName(), 0);
 266         mCurrentDir = directory;
 267     }
 268
 269     /**
 270      * Pops a directory name from the drop down list
 271      * @return True, unless the stack is empty
 272      */
 273     public boolean popDirname() {
 274         mDirectories.remove(mDirectories.getItem(0));
 275         return !mDirectories.isEmpty();
 276     }
 277
 278
 279     // Custom array adapter to override text colors
 280     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 281
 282         public CustomArrayAdapter(UploadFilesActivity ctx, int view) {
 283             super(ctx, view);
 284         }
 285
 286         public View getView(int position, View convertView, ViewGroup parent) {
 287             View v = super.getView(position, convertView, parent);
 288
 289             ((TextView) v).setTextColor(getResources().getColorStateList(
 290                     android.R.color.white));
 291             return v;
 292         }
 293
 294         public View getDropDownView(int position, View convertView,
 295                 ViewGroup parent) {
 296             View v = super.getDropDownView(position, convertView, parent);
 297
 298             ((TextView) v).setTextColor(getResources().getColorStateList(
 299                     android.R.color.white));
 300
 301             return v;
 302         }
 303
 304     }
 305
 306     /**
 307      * {@inheritDoc}
 308      */
 309     @Override
 310     public void onDirectoryClick(File directory) {
 311         pushDirname(directory);
 312         ActionBar actionBar = getSupportActionBar();
 313         actionBar.setDisplayHomeAsUpEnabled(true);
 314     }
 315
 316
 317     /**
 318      * {@inheritDoc}
 319      */
 320     @Override
 321     public void onFileClick(File file) {
 322         // nothing to do
 323     }
 324
 325     /**
 326      * {@inheritDoc}
 327      */
 328     @Override
 329     public File getInitialDirectory() {
 330         return mCurrentDir;
 331     }
 332
 333
 334     /**
 335      * Performs corresponding action when user presses 'Cancel' or 'Upload' button
 336      *
 337      * TODO Make here the real request to the Upload service ; will require to receive the account and
 338      * target folder where the upload must be done in the received intent.
 339      */
 340     @Override
 341     public void onClick(View v) {
 342         if (v.getId() == R.id.upload_files_btn_cancel) {
 343             setResult(RESULT_CANCELED);
 344             finish();
 345
 346         } else if (v.getId() == R.id.upload_files_btn_upload) {
 347             new CheckAvailableSpaceTask().execute();
 348         }
 349     }
 350
 351
 352     /**
 353      * Asynchronous task checking if there is space enough to copy all the files chosen
 354      * to upload into the ownCloud local folder.
 355      *
 356      * Maybe an AsyncTask is not strictly necessary, but who really knows.
 357      */
 358     private class CheckAvailableSpaceTask extends AsyncTask<Void, Void, Boolean> {
 359
 360         /**
 361          * Updates the UI before trying the movement
 362          */
 363         @Override
 364         protected void onPreExecute () {
 365             /// progress dialog and disable 'Move' button
 366             mCurrentDialog = IndeterminateProgressDialog.newInstance(R.string.wait_a_moment, false);
 367             mCurrentDialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 368         }
 369
 370
 371         /**
 372          * Checks the available space
 373          *
 374          * @return     'True' if there is space enough.
 375          */
 376         @Override
 377         protected Boolean doInBackground(Void... params) {
 378             String[] checkedFilePaths = mFileListFragment.getCheckedFilePaths();
 379             long total = 0;
 380             for (int i=0; checkedFilePaths != null && i < checkedFilePaths.length ; i++) {
 381                 String localPath = checkedFilePaths[i];
 382                 File localFile = new File(localPath);
 383                 total += localFile.length();
 384             }
 385             return (new Boolean(FileStorageUtils.getUsableSpace(mAccountOnCreation.name) >= total));
 386         }
 387
 388         /**
 389          * Updates the activity UI after the check of space is done.
 390          *
 391          * If there is not space enough. shows a new dialog to query the user if wants to move the files instead
 392          * of copy them.
 393          *
 394          * @param result        'True' when there is space enough to copy all the selected files.
 395          */
 396         @Override
 397         protected void onPostExecute(Boolean result) {
 398             mCurrentDialog.dismiss();
 399             mCurrentDialog = null;
 400
 401             if (result) {
 402                 // return the list of selected files (success)
 403                 Intent data = new Intent();
 404                 data.putExtra(EXTRA_CHOSEN_FILES, mFileListFragment.getCheckedFilePaths());
 405
 406                 SharedPreferences.Editor appPreferencesEditor = PreferenceManager
 407                         .getDefaultSharedPreferences(getApplicationContext()).edit();
 408
 409
 410                 if (mRadioBtnMoveFiles.isChecked()){
 411                     setResult(RESULT_OK_AND_MOVE, data);
 412                     appPreferencesEditor.putInt("prefs_uploader_behaviour",
 413                             FileUploader.LOCAL_BEHAVIOUR_MOVE);
 414                 } else {
 415                     setResult(RESULT_OK, data);
 416                     appPreferencesEditor.putInt("prefs_uploader_behaviour",
 417                             FileUploader.LOCAL_BEHAVIOUR_COPY);
 418                 }
 419                 appPreferencesEditor.apply();
 420                 finish();
 421             } else {
 422                 // show a dialog to query the user if wants to move the selected files
 423                 // to the ownCloud folder instead of copying
 424                 String[] args = {getString(R.string.app_name)};
 425                 ConfirmationDialogFragment dialog = ConfirmationDialogFragment.newInstance(
 426                     R.string.upload_query_move_foreign_files, args, R.string.common_yes, -1, R.string.common_no
 427                 );
 428                 dialog.setOnConfirmationListener(UploadFilesActivity.this);
 429                 dialog.show(getSupportFragmentManager(), QUERY_TO_MOVE_DIALOG_TAG);
 430             }
 431         }
 432     }
 433
 434     @Override
 435     public void onConfirmation(String callerTag) {
 436         Log_OC.d(TAG, "Positive button in dialog was clicked; dialog tag is " + callerTag);
 437         if (callerTag.equals(QUERY_TO_MOVE_DIALOG_TAG)) {
 438             // return the list of selected files to the caller activity (success),
 439             // signaling that they should be moved to the ownCloud folder, instead of copied
 440             Intent data = new Intent();
 441             data.putExtra(EXTRA_CHOSEN_FILES, mFileListFragment.getCheckedFilePaths());
 442             setResult(RESULT_OK_AND_MOVE, data);
 443             finish();
 444         }
 445     }
 446
 447
 448     @Override
 449     public void onNeutral(String callerTag) {
 450         Log_OC.d(TAG, "Phantom neutral button in dialog was clicked; dialog tag is " + callerTag);
 451     }
 452
 453
 454     @Override
 455     public void onCancel(String callerTag) {
 456         /// nothing to do; don't finish, let the user change the selection
 457         Log_OC.d(TAG, "Negative button in dialog was clicked; dialog tag is " + callerTag);
 458     }
 459
 460
 461     @Override
 462     protected void onAccountSet(boolean stateWasRecovered) {
 463         super.onAccountSet(stateWasRecovered);
 464         if (getAccount() != null) {
 465             if (!mAccountOnCreation.equals(getAccount())) {
 466                 setResult(RESULT_CANCELED);
 467                 finish();
 468             }
 469
 470         } else {
 471             setResult(RESULT_CANCELED);
 472             finish();
 473         }
 474     }
 475
 476
 477 }