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     protected LocalFileListFragment mFileListFragment;
  69     protected Button mCancelBtn;
  70     protected Button mUploadBtn;
  71     protected Account mAccountOnCreation;
  72     protected 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     public 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     protected RadioButton mRadioBtnCopyFiles;
  85     protected 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(KEY_DIRECTORY_PATH));
  95         } else if (getIntent() != null && getIntent().hasExtra(KEY_DIRECTORY_PATH)) {
  96             mCurrentDir = new File(getIntent().getStringExtra(KEY_DIRECTORY_PATH));
  97         } else {
  98             mCurrentDir = Environment.getExternalStorageDirectory();
  99         }
 100
 101         mAccountOnCreation = getAccount();
 102
 103         /// USER INTERFACE
 104
 105         // Drop-down navigation
 106         mDirectories = new CustomArrayAdapter<String>(this,
 107                 R.layout.support_simple_spinner_dropdown_item);
 108         File currDir = mCurrentDir;
 109         while(currDir != null && currDir.getParentFile() != null) {
 110             mDirectories.add(currDir.getName());
 111             currDir = currDir.getParentFile();
 112         }
 113         mDirectories.add(File.separator);
 114
 115         // Inflate and set the layout view
 116         setContentView(R.layout.upload_files_layout);
 117         mFileListFragment = (LocalFileListFragment)
 118                 getSupportFragmentManager().findFragmentById(R.id.local_files_list);
 119
 120
 121         // Set input controllers
 122         mCancelBtn = (Button) findViewById(R.id.upload_files_btn_cancel);
 123         mCancelBtn.setOnClickListener(this);
 124         mUploadBtn = (Button) findViewById(R.id.upload_files_btn_upload);
 125         mUploadBtn.setOnClickListener(this);
 126
 127         SharedPreferences appPreferences = PreferenceManager
 128                 .getDefaultSharedPreferences(getApplicationContext());
 129
 130         Integer localBehaviour = appPreferences.getInt("prefs_uploader_behaviour", FileUploader.LOCAL_BEHAVIOUR_COPY);
 131
 132         mRadioBtnMoveFiles = (RadioButton) findViewById(R.id.upload_radio_move);
 133         if (localBehaviour == FileUploader.LOCAL_BEHAVIOUR_MOVE){
 134             mRadioBtnMoveFiles.setChecked(true);
 135         }
 136
 137         mRadioBtnCopyFiles = (RadioButton) findViewById(R.id.upload_radio_copy);
 138         if (localBehaviour == FileUploader.LOCAL_BEHAVIOUR_COPY){
 139             mRadioBtnCopyFiles.setChecked(true);
 140         }
 141
 142
 143         // Action bar setup
 144         ActionBar actionBar = getSupportActionBar();
 145         actionBar.setHomeButtonEnabled(true);   // mandatory since Android ICS, according to the
 146                                                 // official documentation
 147         actionBar.setDisplayHomeAsUpEnabled(mCurrentDir != null && mCurrentDir.getName() != null);
 148         actionBar.setDisplayShowTitleEnabled(false);
 149         actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
 150         actionBar.setListNavigationCallbacks(mDirectories, this);
 151
 152         // wait dialog
 153         if (mCurrentDialog != null) {
 154             mCurrentDialog.dismiss();
 155             mCurrentDialog = null;
 156         }
 157
 158         Log_OC.d(TAG, "onCreate() end");
 159     }
 160
 161     @Override
 162     public boolean onCreateOptionsMenu(Menu menu) {
 163         MenuInflater inflater = getMenuInflater();
 164         inflater.inflate(R.menu.uploader_menu, menu);
 165         return true;
 166     }
 167
 168
 169     @Override
 170     public boolean onOptionsItemSelected(MenuItem item) {
 171         boolean retval = true;
 172         switch (item.getItemId()) {
 173             case android.R.id.home: {
 174                 if(mCurrentDir != null && mCurrentDir.getParentFile() != null){
 175                     onBackPressed();
 176                 }
 177                 break;
 178             }
 179             case R.id.action_sort: {
 180                 SharedPreferences appPreferences = PreferenceManager
 181                         .getDefaultSharedPreferences(this);
 182
 183                 // Read sorting order, default to sort by name ascending
 184                 Integer sortOrder = appPreferences
 185                         .getInt("sortOrder", FileStorageUtils.SORT_NAME);
 186
 187                 AlertDialog.Builder builder = new AlertDialog.Builder(this);
 188                 builder.setTitle(R.string.actionbar_sort_title)
 189                         .setSingleChoiceItems(R.array.actionbar_sortby, sortOrder ,
 190                                 new DialogInterface.OnClickListener() {
 191                                     public void onClick(DialogInterface dialog, int which) {
 192                                         switch (which){
 193                                             case 0:
 194                                                 mFileListFragment.sortByName(true);
 195                                                 break;
 196                                             case 1:
 197                                                 mFileListFragment.sortByDate(false);
 198                                                 break;
 199                                         }
 200
 201                                         dialog.dismiss();
 202                                     }
 203                                 });
 204                 builder.create().show();
 205                 break;
 206             }
 207             default:
 208                 retval = super.onOptionsItemSelected(item);
 209         }
 210         return retval;
 211     }
 212
 213
 214     @Override
 215     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 216         int i = itemPosition;
 217         while (i-- != 0) {
 218             onBackPressed();
 219         }
 220         // the next operation triggers a new call to this method, but it's necessary to
 221         // ensure that the name exposed in the action bar is the current directory when the
 222         // user selected it in the navigation list
 223         if (itemPosition != 0)
 224             getSupportActionBar().setSelectedNavigationItem(0);
 225         return true;
 226     }
 227
 228
 229     @Override
 230     public void onBackPressed() {
 231         if (mDirectories.getCount() <= 1) {
 232             finish();
 233             return;
 234         }
 235         popDirname();
 236         mFileListFragment.onNavigateUp();
 237         mCurrentDir = mFileListFragment.getCurrentDirectory();
 238
 239         if(mCurrentDir.getParentFile() == null){
 240             ActionBar actionBar = getSupportActionBar();
 241             actionBar.setDisplayHomeAsUpEnabled(false);
 242         }
 243     }
 244
 245
 246     @Override
 247     protected void onSaveInstanceState(Bundle outState) {
 248         // responsibility of restore is preferred in onCreate() before than in
 249         // onRestoreInstanceState when there are Fragments involved
 250         Log_OC.d(TAG, "onSaveInstanceState() start");
 251         super.onSaveInstanceState(outState);
 252         outState.putString(UploadFilesActivity.KEY_DIRECTORY_PATH, mCurrentDir.getAbsolutePath());
 253         Log_OC.d(TAG, "onSaveInstanceState() end");
 254     }
 255
 256
 257     /**
 258      * Pushes a directory to the drop down list
 259      * @param directory to push
 260      * @throws IllegalArgumentException If the {@link File#isDirectory()} returns false.
 261      */
 262     public void pushDirname(File directory) {
 263         if(!directory.isDirectory()){
 264             throw new IllegalArgumentException("Only directories may be pushed!");
 265         }
 266         mDirectories.insert(directory.getName(), 0);
 267         mCurrentDir = directory;
 268     }
 269
 270     /**
 271      * Pops a directory name from the drop down list
 272      * @return True, unless the stack is empty
 273      */
 274     public boolean popDirname() {
 275         mDirectories.remove(mDirectories.getItem(0));
 276         return !mDirectories.isEmpty();
 277     }
 278
 279
 280     // Custom array adapter to override text colors
 281     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 282
 283         public CustomArrayAdapter(UploadFilesActivity ctx, int view) {
 284             super(ctx, view);
 285         }
 286
 287         public View getView(int position, View convertView, ViewGroup parent) {
 288             View v = super.getView(position, convertView, parent);
 289
 290             ((TextView) v).setTextColor(getResources().getColorStateList(
 291                     android.R.color.white));
 292             return v;
 293         }
 294
 295         public View getDropDownView(int position, View convertView,
 296                 ViewGroup parent) {
 297             View v = super.getDropDownView(position, convertView, parent);
 298
 299             ((TextView) v).setTextColor(getResources().getColorStateList(
 300                     android.R.color.white));
 301
 302             return v;
 303         }
 304
 305     }
 306
 307     /**
 308      * {@inheritDoc}
 309      */
 310     @Override
 311     public void onDirectoryClick(File directory) {
 312         pushDirname(directory);
 313         ActionBar actionBar = getSupportActionBar();
 314         actionBar.setDisplayHomeAsUpEnabled(true);
 315     }
 316
 317
 318     /**
 319      * {@inheritDoc}
 320      */
 321     @Override
 322     public void onFileClick(File file) {
 323         // nothing to do
 324     }
 325
 326     /**
 327      * {@inheritDoc}
 328      */
 329     @Override
 330     public File getInitialDirectory() {
 331         return mCurrentDir;
 332     }
 333
 334
 335     /**
 336      * Performs corresponding action when user presses 'Cancel' or 'Upload' button
 337      *
 338      * TODO Make here the real request to the Upload service ; will require to receive the account and
 339      * target folder where the upload must be done in the received intent.
 340      */
 341     @Override
 342     public void onClick(View v) {
 343         if (v.getId() == R.id.upload_files_btn_cancel) {
 344             setResult(RESULT_CANCELED);
 345             finish();
 346
 347         } else if (v.getId() == R.id.upload_files_btn_upload) {
 348             new CheckAvailableSpaceTask().execute();
 349         }
 350     }
 351
 352
 353     /**
 354      * Asynchronous task checking if there is space enough to copy all the files chosen
 355      * to upload into the ownCloud local folder.
 356      *
 357      * Maybe an AsyncTask is not strictly necessary, but who really knows.
 358      */
 359     private class CheckAvailableSpaceTask extends AsyncTask<Void, Void, Boolean> {
 360
 361         /**
 362          * Updates the UI before trying the movement
 363          */
 364         @Override
 365         protected void onPreExecute () {
 366             /// progress dialog and disable 'Move' button
 367             mCurrentDialog = IndeterminateProgressDialog.newInstance(R.string.wait_a_moment, false);
 368             mCurrentDialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 369         }
 370
 371
 372         /**
 373          * Checks the available space
 374          *
 375          * @return     'True' if there is space enough.
 376          */
 377         @Override
 378         protected Boolean doInBackground(Void... params) {
 379             String[] checkedFilePaths = mFileListFragment.getCheckedFilePaths();
 380             long total = 0;
 381             for (int i=0; checkedFilePaths != null && i < checkedFilePaths.length ; i++) {
 382                 String localPath = checkedFilePaths[i];
 383                 File localFile = new File(localPath);
 384                 total += localFile.length();
 385             }
 386             return (new Boolean(FileStorageUtils.getUsableSpace(mAccountOnCreation.name) >= total));
 387         }
 388
 389         /**
 390          * Updates the activity UI after the check of space is done.
 391          *
 392          * If there is not space enough. shows a new dialog to query the user if wants to move the files instead
 393          * of copy them.
 394          *
 395          * @param result        'True' when there is space enough to copy all the selected files.
 396          */
 397         @Override
 398         protected void onPostExecute(Boolean result) {
 399             mCurrentDialog.dismiss();
 400             mCurrentDialog = null;
 401
 402             if (result) {
 403                 // return the list of selected files (success)
 404                 Intent data = new Intent();
 405                 data.putExtra(EXTRA_CHOSEN_FILES, mFileListFragment.getCheckedFilePaths());
 406
 407                 SharedPreferences.Editor appPreferencesEditor = PreferenceManager
 408                         .getDefaultSharedPreferences(getApplicationContext()).edit();
 409
 410
 411                 if (mRadioBtnMoveFiles.isChecked()){
 412                     setResult(RESULT_OK_AND_MOVE, data);
 413                     appPreferencesEditor.putInt("prefs_uploader_behaviour",
 414                             FileUploader.LOCAL_BEHAVIOUR_MOVE);
 415                 } else {
 416                     setResult(RESULT_OK, data);
 417                     appPreferencesEditor.putInt("prefs_uploader_behaviour",
 418                             FileUploader.LOCAL_BEHAVIOUR_COPY);
 419                 }
 420                 appPreferencesEditor.apply();
 421                 finish();
 422             } else {
 423                 // show a dialog to query the user if wants to move the selected files
 424                 // to the ownCloud folder instead of copying
 425                 String[] args = {getString(R.string.app_name)};
 426                 ConfirmationDialogFragment dialog = ConfirmationDialogFragment.newInstance(
 427                     R.string.upload_query_move_foreign_files, args, R.string.common_yes, -1, R.string.common_no
 428                 );
 429                 dialog.setOnConfirmationListener(UploadFilesActivity.this);
 430                 dialog.show(getSupportFragmentManager(), QUERY_TO_MOVE_DIALOG_TAG);
 431             }
 432         }
 433     }
 434
 435     @Override
 436     public void onConfirmation(String callerTag) {
 437         Log_OC.d(TAG, "Positive button in dialog was clicked; dialog tag is " + callerTag);
 438         if (callerTag.equals(QUERY_TO_MOVE_DIALOG_TAG)) {
 439             // return the list of selected files to the caller activity (success),
 440             // signaling that they should be moved to the ownCloud folder, instead of copied
 441             Intent data = new Intent();
 442             data.putExtra(EXTRA_CHOSEN_FILES, mFileListFragment.getCheckedFilePaths());
 443             setResult(RESULT_OK_AND_MOVE, data);
 444             finish();
 445         }
 446     }
 447
 448
 449     @Override
 450     public void onNeutral(String callerTag) {
 451         Log_OC.d(TAG, "Phantom neutral button in dialog was clicked; dialog tag is " + callerTag);
 452     }
 453
 454
 455     @Override
 456     public void onCancel(String callerTag) {
 457         /// nothing to do; don't finish, let the user change the selection
 458         Log_OC.d(TAG, "Negative button in dialog was clicked; dialog tag is " + callerTag);
 459     }
 460
 461
 462     @Override
 463     protected void onAccountSet(boolean stateWasRecovered) {
 464         super.onAccountSet(stateWasRecovered);
 465         if (getAccount() != null) {
 466             if (!mAccountOnCreation.equals(getAccount())) {
 467                 setResult(RESULT_CANCELED);
 468                 finish();
 469             }
 470
 471         } else {
 472             setResult(RESULT_CANCELED);
 473             finish();
 474         }
 475     }
 476
 477
 478 }