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         implements GetShareWithUserAsyncTask.OnGetSharesWithUserTaskListener {
  66
  67     private static final String TAG = ShareFileFragment.class.getSimpleName();
  68
  69     // the fragment initialization parameters
  70     private static final String ARG_FILE = "FILE";
  71     private static final String ARG_ACCOUNT = "ACCOUNT";
  72
  73     // Parameters
  74     private OCFile mFile;
  75     private Account mAccount;
  76
  77     private ArrayList<OCShare> mShares;
  78     private ShareUserListAdapter mUserGroupsAdapter = null;
  79
  80     private OnShareFragmentInteractionListener mListener;
  81
  82     /**
  83      * Public factory method to create new ShareFileFragment instances.
  84      *
  85      * @param fileToShare An {@link OCFile} to show in the fragment
  86      * @param account     An ownCloud account
  87      * @return A new instance of fragment ShareFileFragment.
  88      */
  89     public static ShareFileFragment newInstance(OCFile fileToShare, Account account) {
  90         ShareFileFragment fragment = new ShareFileFragment();
  91         Bundle args = new Bundle();
  92         args.putParcelable(ARG_FILE, fileToShare);
  93         args.putParcelable(ARG_ACCOUNT, account);
  94         fragment.setArguments(args);
  95         return fragment;
  96     }
  97
  98     public ShareFileFragment() {
  99         // Required empty public constructor
 100     }
 101
 102     @Override
 103     public void onCreate(Bundle savedInstanceState) {
 104         super.onCreate(savedInstanceState);
 105         if (getArguments() != null) {
 106             mFile = getArguments().getParcelable(ARG_FILE);
 107             mAccount = getArguments().getParcelable(ARG_ACCOUNT);
 108         }
 109     }
 110
 111     @Override
 112     public View onCreateView(LayoutInflater inflater, ViewGroup container,
 113                              Bundle savedInstanceState) {
 114         // Inflate the layout for this fragment
 115         View view = inflater.inflate(R.layout.share_file_layout, container, false);
 116
 117         // Setup layout
 118         // Image
 119         ImageView icon = (ImageView) view.findViewById(R.id.shareFileIcon);
 120         icon.setImageResource(MimetypeIconUtil.getFileTypeIconId(mFile.getMimetype(),
 121                 mFile.getFileName()));
 122         if (mFile.isImage()) {
 123             String remoteId = String.valueOf(mFile.getRemoteId());
 124             Bitmap thumbnail = ThumbnailsCacheManager.getBitmapFromDiskCache(remoteId);
 125             if (thumbnail != null) {
 126                 icon.setImageBitmap(thumbnail);
 127             }
 128         }
 129         // Name
 130         TextView filename = (TextView) view.findViewById(R.id.shareFileName);
 131         filename.setText(mFile.getFileName());
 132         // Size
 133         TextView size = (TextView) view.findViewById(R.id.shareFileSize);
 134         if (mFile.isFolder()) {
 135             size.setVisibility(View.GONE);
 136         } else {
 137             size.setText(DisplayUtils.bytesToHumanReadable(mFile.getFileLength()));
 138         }
 139
 140         // List of share with users
 141         TextView noShares = (TextView) view.findViewById(R.id.shareNoUsers);
 142
 143         // TODO: Get shares from DB and show
 144
 145
 146         //  Add User Button
 147         Button addUserGroupButton = (Button)
 148                 view.findViewById(R.id.addUserButton);
 149         addUserGroupButton.setOnClickListener(new View.OnClickListener() {
 150             @Override
 151             public void onClick(View view) {
 152                 // Show Search Fragment
 153                 mListener.showSearchUsersAndGroups();
 154             }
 155         });
 156
 157         return view;
 158     }
 159
 160     @Override
 161     public void onActivityCreated(Bundle savedInstanceState) {
 162         super.onActivityCreated(savedInstanceState);
 163
 164         getShares();
 165     }
 166
 167     // TODO: Rename method, update argument and hook method into UI event
 168     public void onButtonPressed(Uri uri) {
 169         if (mListener != null) {
 170             mListener.onShareFragmentInteraction(uri);
 171         }
 172     }
 173
 174     @Override
 175     public void onAttach(Activity activity) {
 176         super.onAttach(activity);
 177         try {
 178             mListener = (OnShareFragmentInteractionListener) activity;
 179         } catch (ClassCastException e) {
 180             throw new ClassCastException(activity.toString()
 181                     + " must implement OnShareFragmentInteractionListener");
 182         }
 183     }
 184
 185     @Override
 186     public void onDetach() {
 187         super.onDetach();
 188         mListener = null;
 189     }
 190
 191     // Get users and groups to fill the "share with" list
 192     private void getShares() {
 193         mShares = new ArrayList<>();
 194
 195         // Get Users and Groups
 196         FileDataStorageManager fileDataStorageManager =
 197                 new FileDataStorageManager(mAccount, getActivity().getContentResolver());
 198         mShares = fileDataStorageManager.getSharesWithForAFile(mFile.getRemotePath(), mAccount.name);
 199
 200         // Update list of users/groups
 201         updateListOfUserGroups();
 202     }
 203
 204     @Override
 205     public void onGetDataShareWithFinish(RemoteOperationResult result) {
 206         // Remove loading
 207         ((ShareActivity) getActivity()).dismissWaitingLoadDialog();
 208         if (result != null && result.isSuccess()) {
 209             // update local database
 210             for (Object obj : result.getData()) {
 211                 if (((OCShare) obj).getShareType() == ShareType.USER ||
 212                         ((OCShare) obj).getShareType() == ShareType.GROUP) {
 213                     mShares.add((OCShare) obj);
 214                 }
 215             }
 216
 217             // Update list of users/groups
 218             updateListOfUserGroups();
 219
 220         } else {
 221             Toast.makeText(getActivity(), result.getLogMessage(), Toast.LENGTH_SHORT).show();
 222         }
 223
 224     }
 225
 226     private void updateListOfUserGroups() {
 227         // Update list of users/groups
 228         mUserGroupsAdapter = new ShareUserListAdapter(getActivity().getApplicationContext(),
 229                 R.layout.share_user_item, mShares);
 230
 231         // Show data
 232         TextView noShares = (TextView) getView().findViewById(R.id.shareNoUsers);
 233         ListView usersList = (ListView) getView().findViewById(R.id.shareUsersList);
 234
 235         if (mShares.size() > 0) {
 236             noShares.setVisibility(View.GONE);
 237             usersList.setVisibility(View.VISIBLE);
 238             usersList.setAdapter(mUserGroupsAdapter);
 239
 240             // Add unshare options
 241             registerLongClickListener(usersList);
 242
 243         } else {
 244             noShares.setVisibility(View.VISIBLE);
 245             usersList.setVisibility(View.GONE);
 246         }
 247     }
 248
 249     private void registerLongClickListener(final ListView listView) {
 250         listView.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
 251             @Override
 252             public boolean onItemLongClick(AdapterView<?> parent, View view, int position,
 253                                            long id) {
 254                 // Show unshare button
 255                 ImageView unshareButton = (ImageView) view.findViewById(R.id.unshareButton);
 256                 if (unshareButton.getVisibility() == View.GONE) {
 257                     unshareButton.setVisibility(View.VISIBLE);
 258                 } else {
 259                     unshareButton.setVisibility(View.GONE);
 260                 }
 261                 view.setAlpha(0);
 262                 view.animate().alpha(1).setDuration(500).start();
 263                 return false;
 264             }
 265         });
 266     }
 267
 268     // TODO: review if it is necessary
 269     /**
 270      * This interface must be implemented by activities that contain this
 271      * fragment to allow an interaction in this fragment to be communicated
 272      * to the activity and potentially other fragments contained in that
 273      * activity.
 274      * <p/>
 275      * See the Android Training lesson <a href=
 276      * "http://developer.android.com/training/basics/fragments/communicating.html"
 277      * >Communicating with Other Fragments</a> for more information.
 278      */
 279     public interface OnShareFragmentInteractionListener {
 280         void showSearchUsersAndGroups();
 281
 282         void onShareFragmentInteraction(Uri uri);
 283     }
 284
 285 }