src/com/owncloud/android/ui/dialog/RemoveFileDialogFragment.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.dialog;
  22
  23 /**
  24  *  Dialog requiring confirmation before removing a given OCFile.
  25  *
  26  *  Triggers the removal according to the user response.
  27  */
  28 import java.util.Vector;
  29
  30 import android.app.Dialog;
  31 import android.os.Bundle;
  32
  33 import com.owncloud.android.R;
  34 import com.owncloud.android.datamodel.FileDataStorageManager;
  35 import com.owncloud.android.datamodel.OCFile;
  36 import com.owncloud.android.ui.activity.ComponentsGetter;
  37 import com.owncloud.android.ui.dialog.ConfirmationDialogFragment.ConfirmationDialogFragmentListener;
  38
  39 public class RemoveFileDialogFragment extends ConfirmationDialogFragment
  40 implements ConfirmationDialogFragmentListener {
  41
  42     private OCFile mTargetFile;
  43
  44     private static final String ARG_TARGET_FILE = "TARGET_FILE";
  45
  46     /**
  47      * Public factory method to create new RemoveFileDialogFragment instances.
  48      *
  49      * @param file            File to remove.
  50      * @return                Dialog ready to show.
  51      */
  52     public static RemoveFileDialogFragment newInstance(OCFile file) {
  53         RemoveFileDialogFragment frag = new RemoveFileDialogFragment();
  54         Bundle args = new Bundle();
  55
  56         int messageStringId = R.string.confirmation_remove_alert;
  57
  58         int posBtn = R.string.confirmation_remove_remote;
  59         int negBtn = -1;
  60         if (file.isFolder()) {
  61             messageStringId = R.string.confirmation_remove_folder_alert;
  62             posBtn = R.string.confirmation_remove_remote_and_local;
  63             negBtn = R.string.confirmation_remove_local;
  64         } else if (file.isDown()) {
  65             posBtn = R.string.confirmation_remove_remote_and_local;
  66             negBtn = R.string.confirmation_remove_local;
  67         }
  68
  69         args.putInt(ARG_CONF_RESOURCE_ID, messageStringId);
  70         args.putStringArray(ARG_CONF_ARGUMENTS, new String[]{file.getFileName()});
  71         args.putInt(ARG_POSITIVE_BTN_RES, posBtn);
  72         args.putInt(ARG_NEUTRAL_BTN_RES, R.string.common_no);
  73         args.putInt(ARG_NEGATIVE_BTN_RES, negBtn);
  74         args.putParcelable(ARG_TARGET_FILE, file);
  75         frag.setArguments(args);
  76
  77         return frag;
  78     }
  79
  80     @Override
  81     public Dialog onCreateDialog(Bundle savedInstanceState) {
  82         Dialog dialog = super.onCreateDialog(savedInstanceState);
  83         mTargetFile = getArguments().getParcelable(ARG_TARGET_FILE);
  84
  85         setOnConfirmationListener(this);
  86
  87         return dialog;
  88     }
  89
  90     /**
  91      * Performs the removal of the target file, both locally and in the server.
  92      */
  93     @Override
  94     public void onConfirmation(String callerTag) {
  95         ComponentsGetter cg = (ComponentsGetter)getActivity();
  96         FileDataStorageManager storageManager = cg.getStorageManager();
  97         if (storageManager.getFileById(mTargetFile.getFileId()) != null) {
  98             cg.getFileOperationsHelper().removeFile(mTargetFile, false);
  99         }
 100     }
 101
 102     /**
 103      * Performs the removal of the local copy of the target file
 104      */
 105     @Override
 106     public void onCancel(String callerTag) {
 107         ComponentsGetter cg = (ComponentsGetter)getActivity();
 108         cg.getFileOperationsHelper().removeFile(mTargetFile, true);
 109
 110         FileDataStorageManager storageManager = cg.getStorageManager();
 111
 112         boolean containsFavorite = false;
 113         if (mTargetFile.isFolder()) {
 114             // TODO Enable when "On Device" is recovered ?
 115             Vector<OCFile> files = storageManager.getFolderContent(mTargetFile/*, false*/);
 116             for(OCFile file: files) {
 117                 containsFavorite = file.isFavorite() || containsFavorite;
 118
 119                 if (containsFavorite)
 120                     break;
 121             }
 122         }
 123
 124         // Remove etag for parent, if file is a favorite
 125         // or is a folder and contains favorite
 126         if (mTargetFile.isFavorite() || containsFavorite) {
 127             OCFile folder = null;
 128             if (mTargetFile.isFolder()) {
 129                 folder = mTargetFile;
 130             } else {
 131                 folder = storageManager.getFileById(mTargetFile.getParentId());
 132             }
 133
 134            folder.setEtag("");
 135            storageManager.saveFile(folder);
 136         }
 137     }
 138
 139     @Override
 140     public void onNeutral(String callerTag) {
 141         // nothing to do here
 142     }
 143 }