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