src/com/owncloud/android/ui/fragment/ShareFileFragment.java

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   @author masensio
   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.fragment;
  22
  23 import android.accounts.Account;
  24 import android.app.Activity;
  25 import android.graphics.Bitmap;
  26 import android.net.Uri;
  27 import android.os.Bundle;
  28 import android.support.v4.app.Fragment;
  29 import android.view.LayoutInflater;
  30 import android.view.View;
  31 import android.view.ViewGroup;
  32 import android.widget.AdapterView;
  33 import android.widget.Button;
  34 import android.widget.ImageView;
  35 import android.widget.ListView;
  36 import android.widget.TextView;
  37 import android.widget.Toast;
  38
  39 import com.owncloud.android.R;
  40 import com.owncloud.android.datamodel.FileDataStorageManager;
  41 import com.owncloud.android.datamodel.OCFile;
  42 import com.owncloud.android.datamodel.ThumbnailsCacheManager;
  43 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  44 import com.owncloud.android.lib.resources.shares.OCShare;
  45 import com.owncloud.android.lib.resources.shares.ShareType;
  46 import com.owncloud.android.ui.activity.ShareActivity;
  47 import com.owncloud.android.ui.adapter.ShareUserListAdapter;
  48 import com.owncloud.android.utils.DisplayUtils;
  49 import com.owncloud.android.utils.GetShareWithUserAsyncTask;
  50 import com.owncloud.android.utils.MimetypeIconUtil;
  51
  52 import java.util.ArrayList;
  53
  54 /**
  55  * Fragment for Sharing a file with users
  56  *
  57  * A simple {@link Fragment} subclass.
  58  * Activities that contain this fragment must implement the
  59  * {@link ShareFileFragment.OnShareFragmentInteractionListener} interface
  60  * to handle interaction events.
  61  * Use the {@link ShareFileFragment#newInstance} factory method to
  62  * create an instance of this fragment.
  63  */
  64 public class ShareFileFragment extends Fragment {
  65
  66     private static final String TAG = ShareFileFragment.class.getSimpleName();
  67
  68     // the fragment initialization parameters
  69     private static final String ARG_FILE = "FILE";
  70     private static final String ARG_ACCOUNT = "ACCOUNT";
  71
  72     // Parameters
  73     private OCFile mFile;
  74     private Account mAccount;
  75
  76     private ArrayList<OCShare> mShares;
  77     private ShareUserListAdapter mUserGroupsAdapter = null;
  78
  79     private OnShareFragmentInteractionListener mListener;
  80
  81     /**
  82      * Public factory method to create new ShareFileFragment instances.
  83      *
  84      * @param fileToShare An {@link OCFile} to show in the fragment
  85      * @param account     An ownCloud account
  86      * @return A new instance of fragment ShareFileFragment.
  87      */
  88     public static ShareFileFragment newInstance(OCFile fileToShare, Account account) {
  89         ShareFileFragment fragment = new ShareFileFragment();
  90         Bundle args = new Bundle();
  91         args.putParcelable(ARG_FILE, fileToShare);
  92         args.putParcelable(ARG_ACCOUNT, account);
  93         fragment.setArguments(args);
  94         return fragment;
  95     }
  96
  97     public ShareFileFragment() {
  98         // Required empty public constructor
  99     }
 100
 101     @Override
 102     public void onCreate(Bundle savedInstanceState) {
 103         super.onCreate(savedInstanceState);
 104         if (getArguments() != null) {
 105             mFile = getArguments().getParcelable(ARG_FILE);
 106             mAccount = getArguments().getParcelable(ARG_ACCOUNT);
 107         }
 108     }
 109
 110     @Override
 111     public View onCreateView(LayoutInflater inflater, ViewGroup container,
 112                              Bundle savedInstanceState) {
 113         // Inflate the layout for this fragment
 114         View view = inflater.inflate(R.layout.share_file_layout, container, false);
 115
 116         // Setup layout
 117         // Image
 118         ImageView icon = (ImageView) view.findViewById(R.id.shareFileIcon);
 119         icon.setImageResource(MimetypeIconUtil.getFileTypeIconId(mFile.getMimetype(),
 120                 mFile.getFileName()));
 121         if (mFile.isImage()) {
 122             String remoteId = String.valueOf(mFile.getRemoteId());
 123             Bitmap thumbnail = ThumbnailsCacheManager.getBitmapFromDiskCache(remoteId);
 124             if (thumbnail != null) {
 125                 icon.setImageBitmap(thumbnail);
 126             }
 127         }
 128         // Name
 129         TextView filename = (TextView) view.findViewById(R.id.shareFileName);
 130         filename.setText(mFile.getFileName());
 131         // Size
 132         TextView size = (TextView) view.findViewById(R.id.shareFileSize);
 133         if (mFile.isFolder()) {
 134             size.setVisibility(View.GONE);
 135         } else {
 136             size.setText(DisplayUtils.bytesToHumanReadable(mFile.getFileLength()));
 137         }
 138
 139         // List of share with users
 140         TextView noShares = (TextView) view.findViewById(R.id.shareNoUsers);
 141
 142         // TODO: Get shares from DB and show
 143
 144
 145         //  Add User Button
 146         Button addUserGroupButton = (Button)
 147                 view.findViewById(R.id.addUserButton);
 148         addUserGroupButton.setOnClickListener(new View.OnClickListener() {
 149             @Override
 150             public void onClick(View view) {
 151                 // Show Search Fragment
 152                 mListener.showSearchUsersAndGroups();
 153             }
 154         });
 155
 156         return view;
 157     }
 158
 159     @Override
 160     public void onActivityCreated(Bundle savedInstanceState) {
 161         super.onActivityCreated(savedInstanceState);
 162
 163         getShares();
 164     }
 165
 166     // TODO: Rename method, update argument and hook method into UI event
 167     public void onButtonPressed(Uri uri) {
 168         if (mListener != null) {
 169             mListener.onShareFragmentInteraction(uri);
 170         }
 171     }
 172
 173     @Override
 174     public void onAttach(Activity activity) {
 175         super.onAttach(activity);
 176         try {
 177             mListener = (OnShareFragmentInteractionListener) activity;
 178         } catch (ClassCastException e) {
 179             throw new ClassCastException(activity.toString()
 180                     + " must implement OnShareFragmentInteractionListener");
 181         }
 182     }
 183
 184     @Override
 185     public void onDetach() {
 186         super.onDetach();
 187         mListener = null;
 188     }
 189
 190     // Get users and groups to fill the "share with" list
 191     private void getShares() {
 192         mShares = new ArrayList<>();
 193
 194         // Get Users and Groups
 195         FileDataStorageManager fileDataStorageManager =
 196                 new FileDataStorageManager(mAccount, getActivity().getContentResolver());
 197         mShares = fileDataStorageManager.getSharesWithForAFile(mFile.getRemotePath(), mAccount.name);
 198
 199         // Update list of users/groups
 200         updateListOfUserGroups();
 201     }
 202
 203     private void updateListOfUserGroups() {
 204         // Update list of users/groups
 205         mUserGroupsAdapter = new ShareUserListAdapter(getActivity().getApplicationContext(),
 206                 R.layout.share_user_item, mShares);
 207
 208         // Show data
 209         TextView noShares = (TextView) getView().findViewById(R.id.shareNoUsers);
 210         ListView usersList = (ListView) getView().findViewById(R.id.shareUsersList);
 211
 212         if (mShares.size() > 0) {
 213             noShares.setVisibility(View.GONE);
 214             usersList.setVisibility(View.VISIBLE);
 215             usersList.setAdapter(mUserGroupsAdapter);
 216
 217             // Add unshare options
 218             registerLongClickListener(usersList);
 219
 220         } else {
 221             noShares.setVisibility(View.VISIBLE);
 222             usersList.setVisibility(View.GONE);
 223         }
 224     }
 225
 226     private void registerLongClickListener(final ListView listView) {
 227         listView.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
 228             @Override
 229             public boolean onItemLongClick(AdapterView<?> parent, View view, int position,
 230                                            long id) {
 231                 // Show unshare button
 232                 ImageView unshareButton = (ImageView) view.findViewById(R.id.unshareButton);
 233                 if (unshareButton.getVisibility() == View.GONE) {
 234                     unshareButton.setVisibility(View.VISIBLE);
 235                 } else {
 236                     unshareButton.setVisibility(View.GONE);
 237                 }
 238                 view.setAlpha(0);
 239                 view.animate().alpha(1).setDuration(500).start();
 240                 return false;
 241             }
 242         });
 243     }
 244
 245     // TODO: review if it is necessary
 246     /**
 247      * This interface must be implemented by activities that contain this
 248      * fragment to allow an interaction in this fragment to be communicated
 249      * to the activity and potentially other fragments contained in that
 250      * activity.
 251      * <p/>
 252      * See the Android Training lesson <a href=
 253      * "http://developer.android.com/training/basics/fragments/communicating.html"
 254      * >Communicating with Other Fragments</a> for more information.
 255      */
 256     public interface OnShareFragmentInteractionListener {
 257         void showSearchUsersAndGroups();
 258
 259         void onShareFragmentInteraction(Uri uri);
 260     }
 261
 262 }