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.content.Intent;
  25 import android.content.SharedPreferences;
  26 import android.os.AsyncTask;
  27 import android.os.Bundle;
  28 import android.os.Environment;
  29 import android.preference.PreferenceManager;
  30 import android.support.v4.app.DialogFragment;
  31 import android.support.v7.app.ActionBar;
  32 import android.view.MenuItem;
  33 import android.view.View;
  34 import android.view.View.OnClickListener;
  35 import android.view.ViewGroup;
  36 import android.widget.ArrayAdapter;
  37 import android.widget.Button;
  38 import android.widget.RadioButton;
  39 import android.widget.TextView;
  40
  41 import com.owncloud.android.R;
  42 import com.owncloud.android.files.services.FileUploader;
  43 import com.owncloud.android.lib.common.utils.Log_OC;
  44 import com.owncloud.android.ui.dialog.ConfirmationDialogFragment;
  45 import com.owncloud.android.ui.dialog.ConfirmationDialogFragment.ConfirmationDialogFragmentListener;
  46 import com.owncloud.android.ui.dialog.IndeterminateProgressDialog;
  47 import com.owncloud.android.ui.fragment.LocalFileListFragment;
  48 import com.owncloud.android.utils.FileStorageUtils;
  49
  50 import java.io.File;
  51
  52
  53 /**
  54  * Displays local files and let the user choose what of them wants to upload
  55  * to the current ownCloud account
  56  */
  57
  58 public class UploadFilesActivity extends FileActivity implements
  59     LocalFileListFragment.ContainerActivity, ActionBar.OnNavigationListener,
  60         OnClickListener, ConfirmationDialogFragmentListener {
  61
  62     private ArrayAdapter<String> mDirectories;
  63     private File mCurrentDir = null;
  64     private LocalFileListFragment mFileListFragment;
  65     private Button mCancelBtn;
  66     private Button mUploadBtn;
  67     private Account mAccountOnCreation;
  68     private DialogFragment mCurrentDialog;
  69
  70     public static final String EXTRA_CHOSEN_FILES =
  71             UploadFilesActivity.class.getCanonicalName() + ".EXTRA_CHOSEN_FILES";
  72
  73     public static final int RESULT_OK_AND_MOVE = RESULT_FIRST_USER;
  74
  75     private static final String KEY_DIRECTORY_PATH =
  76             UploadFilesActivity.class.getCanonicalName() + ".KEY_DIRECTORY_PATH";
  77     private static final String TAG = "UploadFilesActivity";
  78     private static final String WAIT_DIALOG_TAG = "WAIT";
  79     private static final String QUERY_TO_MOVE_DIALOG_TAG = "QUERY_TO_MOVE";
  80     private RadioButton mRadioBtnCopyFiles;
  81     private RadioButton mRadioBtnMoveFiles;
  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         SharedPreferences appPreferences = PreferenceManager
 123                 .getDefaultSharedPreferences(getApplicationContext());
 124
 125         Integer localBehaviour = appPreferences.getInt("prefs_uploader_behaviour", FileUploader.LOCAL_BEHAVIOUR_COPY);
 126
 127         mRadioBtnMoveFiles = (RadioButton) findViewById(R.id.upload_radio_move);
 128         if (localBehaviour == FileUploader.LOCAL_BEHAVIOUR_MOVE){
 129             mRadioBtnMoveFiles.setChecked(true);
 130         }
 131
 132         mRadioBtnCopyFiles = (RadioButton) findViewById(R.id.upload_radio_copy);
 133         if (localBehaviour == FileUploader.LOCAL_BEHAVIOUR_COPY){
 134             mRadioBtnCopyFiles.setChecked(true);
 135         }
 136
 137
 138         // Action bar setup
 139         ActionBar actionBar = getSupportActionBar();
 140         actionBar.setHomeButtonEnabled(true);   // mandatory since Android ICS, according to the
 141                                                 // official documentation
 142         actionBar.setDisplayHomeAsUpEnabled(mCurrentDir != null && mCurrentDir.getName() != null);
 143         actionBar.setDisplayShowTitleEnabled(false);
 144         actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
 145         actionBar.setListNavigationCallbacks(mDirectories, this);
 146
 147         // wait dialog
 148         if (mCurrentDialog != null) {
 149             mCurrentDialog.dismiss();
 150             mCurrentDialog = null;
 151         }
 152
 153         Log_OC.d(TAG, "onCreate() end");
 154     }
 155
 156
 157     @Override
 158     public boolean onOptionsItemSelected(MenuItem item) {
 159         boolean retval = true;
 160         switch (item.getItemId()) {
 161             case android.R.id.home: {
 162                 if(mCurrentDir != null && mCurrentDir.getParentFile() != null){
 163                     onBackPressed();
 164                 }
 165                 break;
 166             }
 167             default:
 168                 retval = super.onOptionsItemSelected(item);
 169         }
 170         return retval;
 171     }
 172
 173
 174     @Override
 175     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 176         int i = itemPosition;
 177         while (i-- != 0) {
 178             onBackPressed();
 179         }
 180         // the next operation triggers a new call to this method, but it's necessary to
 181         // ensure that the name exposed in the action bar is the current directory when the
 182         // user selected it in the navigation list
 183         if (itemPosition != 0)
 184             getSupportActionBar().setSelectedNavigationItem(0);
 185         return true;
 186     }
 187
 188
 189     @Override
 190     public void onBackPressed() {
 191         if (mDirectories.getCount() <= 1) {
 192             finish();
 193             return;
 194         }
 195         popDirname();
 196         mFileListFragment.onNavigateUp();
 197         mCurrentDir = mFileListFragment.getCurrentDirectory();
 198
 199         if(mCurrentDir.getParentFile() == null){
 200             ActionBar actionBar = getSupportActionBar();
 201             actionBar.setDisplayHomeAsUpEnabled(false);
 202         }
 203     }
 204
 205
 206     @Override
 207     protected void onSaveInstanceState(Bundle outState) {
 208         // responsibility of restore is preferred in onCreate() before than in
 209         // onRestoreInstanceState when there are Fragments involved
 210         Log_OC.d(TAG, "onSaveInstanceState() start");
 211         super.onSaveInstanceState(outState);
 212         outState.putString(UploadFilesActivity.KEY_DIRECTORY_PATH, mCurrentDir.getAbsolutePath());
 213         Log_OC.d(TAG, "onSaveInstanceState() end");
 214     }
 215
 216
 217     /**
 218      * Pushes a directory to the drop down list
 219      * @param directory to push
 220      * @throws IllegalArgumentException If the {@link File#isDirectory()} returns false.
 221      */
 222     public void pushDirname(File directory) {
 223         if(!directory.isDirectory()){
 224             throw new IllegalArgumentException("Only directories may be pushed!");
 225         }
 226         mDirectories.insert(directory.getName(), 0);
 227         mCurrentDir = directory;
 228     }
 229
 230     /**
 231      * Pops a directory name from the drop down list
 232      * @return True, unless the stack is empty
 233      */
 234     public boolean popDirname() {
 235         mDirectories.remove(mDirectories.getItem(0));
 236         return !mDirectories.isEmpty();
 237     }
 238
 239
 240     // Custom array adapter to override text colors
 241     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 242
 243         public CustomArrayAdapter(UploadFilesActivity ctx, int view) {
 244             super(ctx, view);
 245         }
 246
 247         public View getView(int position, View convertView, ViewGroup parent) {
 248             View v = super.getView(position, convertView, parent);
 249
 250             ((TextView) v).setTextColor(getResources().getColorStateList(
 251                     android.R.color.white));
 252             return v;
 253         }
 254
 255         public View getDropDownView(int position, View convertView,
 256                 ViewGroup parent) {
 257             View v = super.getDropDownView(position, convertView, parent);
 258
 259             ((TextView) v).setTextColor(getResources().getColorStateList(
 260                     android.R.color.white));
 261
 262             return v;
 263         }
 264
 265     }
 266
 267     /**
 268      * {@inheritDoc}
 269      */
 270     @Override
 271     public void onDirectoryClick(File directory) {
 272         pushDirname(directory);
 273         ActionBar actionBar = getSupportActionBar();
 274         actionBar.setDisplayHomeAsUpEnabled(true);
 275     }
 276
 277
 278     /**
 279      * {@inheritDoc}
 280      */
 281     @Override
 282     public void onFileClick(File file) {
 283         // nothing to do
 284     }
 285
 286     /**
 287      * {@inheritDoc}
 288      */
 289     @Override
 290     public File getInitialDirectory() {
 291         return mCurrentDir;
 292     }
 293
 294
 295     /**
 296      * Performs corresponding action when user presses 'Cancel' or 'Upload' button
 297      *
 298      * TODO Make here the real request to the Upload service ; will require to receive the account and
 299      * target folder where the upload must be done in the received intent.
 300      */
 301     @Override
 302     public void onClick(View v) {
 303         if (v.getId() == R.id.upload_files_btn_cancel) {
 304             setResult(RESULT_CANCELED);
 305             finish();
 306
 307         } else if (v.getId() == R.id.upload_files_btn_upload) {
 308             new CheckAvailableSpaceTask().execute();
 309         }
 310     }
 311
 312
 313     /**
 314      * Asynchronous task checking if there is space enough to copy all the files chosen
 315      * to upload into the ownCloud local folder.
 316      *
 317      * Maybe an AsyncTask is not strictly necessary, but who really knows.
 318      */
 319     private class CheckAvailableSpaceTask extends AsyncTask<Void, Void, Boolean> {
 320
 321         /**
 322          * Updates the UI before trying the movement
 323          */
 324         @Override
 325         protected void onPreExecute () {
 326             /// progress dialog and disable 'Move' button
 327             mCurrentDialog = IndeterminateProgressDialog.newInstance(R.string.wait_a_moment, false);
 328             mCurrentDialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 329         }
 330
 331
 332         /**
 333          * Checks the available space
 334          *
 335          * @return     'True' if there is space enough.
 336          */
 337         @Override
 338         protected Boolean doInBackground(Void... params) {
 339             String[] checkedFilePaths = mFileListFragment.getCheckedFilePaths();
 340             long total = 0;
 341             for (int i=0; checkedFilePaths != null && i < checkedFilePaths.length ; i++) {
 342                 String localPath = checkedFilePaths[i];
 343                 File localFile = new File(localPath);
 344                 total += localFile.length();
 345             }
 346             return (new Boolean(FileStorageUtils.getUsableSpace(mAccountOnCreation.name) >= total));
 347         }
 348
 349         /**
 350          * Updates the activity UI after the check of space is done.
 351          *
 352          * If there is not space enough. shows a new dialog to query the user if wants to move the files instead
 353          * of copy them.
 354          *
 355          * @param result        'True' when there is space enough to copy all the selected files.
 356          */
 357         @Override
 358         protected void onPostExecute(Boolean result) {
 359             mCurrentDialog.dismiss();
 360             mCurrentDialog = null;
 361
 362             if (result) {
 363                 // return the list of selected files (success)
 364                 Intent data = new Intent();
 365                 data.putExtra(EXTRA_CHOSEN_FILES, mFileListFragment.getCheckedFilePaths());
 366
 367                 SharedPreferences.Editor appPreferencesEditor = PreferenceManager
 368                         .getDefaultSharedPreferences(getApplicationContext()).edit();
 369
 370
 371                 if (mRadioBtnMoveFiles.isChecked()){
 372                     setResult(RESULT_OK_AND_MOVE, data);
 373                     appPreferencesEditor.putInt("prefs_uploader_behaviour",
 374                             FileUploader.LOCAL_BEHAVIOUR_MOVE);
 375                 } else {
 376                     setResult(RESULT_OK, data);
 377                     appPreferencesEditor.putInt("prefs_uploader_behaviour",
 378                             FileUploader.LOCAL_BEHAVIOUR_COPY);
 379                 }
 380                 appPreferencesEditor.apply();
 381                 finish();
 382             } else {
 383                 // show a dialog to query the user if wants to move the selected files
 384                 // to the ownCloud folder instead of copying
 385                 String[] args = {getString(R.string.app_name)};
 386                 ConfirmationDialogFragment dialog = ConfirmationDialogFragment.newInstance(
 387                     R.string.upload_query_move_foreign_files, args, R.string.common_yes, -1, R.string.common_no
 388                 );
 389                 dialog.setOnConfirmationListener(UploadFilesActivity.this);
 390                 dialog.show(getSupportFragmentManager(), QUERY_TO_MOVE_DIALOG_TAG);
 391             }
 392         }
 393     }
 394
 395     @Override
 396     public void onConfirmation(String callerTag) {
 397         Log_OC.d(TAG, "Positive button in dialog was clicked; dialog tag is " + callerTag);
 398         if (callerTag.equals(QUERY_TO_MOVE_DIALOG_TAG)) {
 399             // return the list of selected files to the caller activity (success),
 400             // signaling that they should be moved to the ownCloud folder, instead of copied
 401             Intent data = new Intent();
 402             data.putExtra(EXTRA_CHOSEN_FILES, mFileListFragment.getCheckedFilePaths());
 403             setResult(RESULT_OK_AND_MOVE, data);
 404             finish();
 405         }
 406     }
 407
 408
 409     @Override
 410     public void onNeutral(String callerTag) {
 411         Log_OC.d(TAG, "Phantom neutral button in dialog was clicked; dialog tag is " + callerTag);
 412     }
 413
 414
 415     @Override
 416     public void onCancel(String callerTag) {
 417         /// nothing to do; don't finish, let the user change the selection
 418         Log_OC.d(TAG, "Negative button in dialog was clicked; dialog tag is " + callerTag);
 419     }
 420
 421
 422     @Override
 423     protected void onAccountSet(boolean stateWasRecovered) {
 424         super.onAccountSet(stateWasRecovered);
 425         if (getAccount() != null) {
 426             if (!mAccountOnCreation.equals(getAccount())) {
 427                 setResult(RESULT_CANCELED);
 428                 finish();
 429             }
 430
 431         } else {
 432             setResult(RESULT_CANCELED);
 433             finish();
 434         }
 435     }
 436
 437
 438 }