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

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   @author masensio
   5  *   @author David A. Velasco
   6  *   Copyright (C) 2015 ownCloud Inc.
   7  *
   8  *   This program is free software: you can redistribute it and/or modify
   9  *   it under the terms of the GNU General Public License version 2,
  10  *   as published by the Free Software Foundation.
  11  *
  12  *   This program is distributed in the hope that it will be useful,
  13  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *   GNU General Public License for more details.
  16  *
  17  *   You should have received a copy of the GNU General Public License
  18  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 package com.owncloud.android.ui.fragment;
  23
  24 import android.accounts.Account;
  25 import android.app.Activity;
  26 import android.graphics.Bitmap;
  27 import android.os.Bundle;
  28 import android.support.v4.app.Fragment;
  29 import android.support.v7.widget.AppCompatButton;
  30 import android.view.LayoutInflater;
  31 import android.view.View;
  32 import android.view.ViewGroup;
  33 import android.widget.Button;
  34 import android.widget.CompoundButton;
  35 import android.widget.ImageView;
  36 import android.widget.ListView;
  37 import android.widget.Switch;
  38 import android.widget.TextView;
  39 import android.widget.Toast;
  40
  41 import com.owncloud.android.R;
  42 import com.owncloud.android.authentication.AccountUtils;
  43 import com.owncloud.android.datamodel.OCFile;
  44 import com.owncloud.android.datamodel.ThumbnailsCacheManager;
  45 import com.owncloud.android.lib.common.utils.Log_OC;
  46 import com.owncloud.android.lib.resources.shares.OCShare;
  47 import com.owncloud.android.lib.resources.shares.ShareType;
  48 import com.owncloud.android.ui.activity.FileActivity;
  49 import com.owncloud.android.ui.adapter.ShareUserListAdapter;
  50 import com.owncloud.android.utils.DisplayUtils;
  51 import com.owncloud.android.utils.MimetypeIconUtil;
  52
  53 import java.util.ArrayList;
  54
  55 /**
  56  * Fragment for Sharing a file with sharees (users or groups) or creating
  57  * a public link.
  58  *
  59  * A simple {@link Fragment} subclass.
  60  *
  61  * Activities that contain this fragment must implement the
  62  * {@link ShareFileFragment.OnShareFragmentInteractionListener} interface
  63  * to handle interaction events.
  64  *
  65  * Use the {@link ShareFileFragment#newInstance} factory method to
  66  * create an instance of this fragment.
  67  */
  68 public class ShareFileFragment extends Fragment
  69         implements ShareUserListAdapter.ShareUserAdapterListener{
  70
  71     private static final String TAG = ShareFileFragment.class.getSimpleName();
  72
  73     // the fragment initialization parameters
  74     private static final String ARG_FILE = "FILE";
  75     private static final String ARG_ACCOUNT = "ACCOUNT";
  76
  77     /** File to share, received as a parameter in construction time */
  78     private OCFile mFile;
  79
  80     /** OC account holding the file to share, received as a parameter in construction time */
  81     private Account mAccount;
  82
  83     /** Reference to parent listener */
  84     private OnShareFragmentInteractionListener mListener;
  85
  86     /** List of private shares bound to the file */
  87     private ArrayList<OCShare> mPrivateShares;
  88
  89     /** Adapter to show private shares */
  90     private ShareUserListAdapter mUserGroupsAdapter = null;
  91
  92     /** Public share bound to the file */
  93     private OCShare mPublicShare;
  94
  95
  96     /**
  97      * Public factory method to create new ShareFileFragment instances.
  98      *
  99      * @param fileToShare An {@link OCFile} to show in the fragment
 100      * @param account     An ownCloud account
 101      * @return A new instance of fragment ShareFileFragment.
 102      */
 103     public static ShareFileFragment newInstance(OCFile fileToShare, Account account) {
 104         ShareFileFragment fragment = new ShareFileFragment();
 105         Bundle args = new Bundle();
 106         args.putParcelable(ARG_FILE, fileToShare);
 107         args.putParcelable(ARG_ACCOUNT, account);
 108         fragment.setArguments(args);
 109         return fragment;
 110     }
 111
 112     public ShareFileFragment() {
 113         // Required empty public constructor
 114     }
 115
 116     /**
 117      * {@inheritDoc}
 118      */
 119     @Override
 120     public void onCreate(Bundle savedInstanceState) {
 121         super.onCreate(savedInstanceState);
 122         if (getArguments() != null) {
 123             mFile = getArguments().getParcelable(ARG_FILE);
 124             mAccount = getArguments().getParcelable(ARG_ACCOUNT);
 125         }
 126     }
 127
 128     /**
 129      * {@inheritDoc}
 130      */
 131     @Override
 132     public View onCreateView(LayoutInflater inflater, ViewGroup container,
 133                              Bundle savedInstanceState) {
 134         // Inflate the layout for this fragment
 135         View view = inflater.inflate(R.layout.share_file_layout, container, false);
 136
 137         // Setup layout
 138         // Image
 139         ImageView icon = (ImageView) view.findViewById(R.id.shareFileIcon);
 140         icon.setImageResource(MimetypeIconUtil.getFileTypeIconId(mFile.getMimetype(),
 141                 mFile.getFileName()));
 142         if (mFile.isImage()) {
 143             String remoteId = String.valueOf(mFile.getRemoteId());
 144             Bitmap thumbnail = ThumbnailsCacheManager.getBitmapFromDiskCache(remoteId);
 145             if (thumbnail != null) {
 146                 icon.setImageBitmap(thumbnail);
 147             }
 148         }
 149         // Name
 150         TextView filename = (TextView) view.findViewById(R.id.shareFileName);
 151         filename.setText(mFile.getFileName());
 152         // Size
 153         TextView size = (TextView) view.findViewById(R.id.shareFileSize);
 154         if (mFile.isFolder()) {
 155             size.setVisibility(View.GONE);
 156         } else {
 157             size.setText(DisplayUtils.bytesToHumanReadable(mFile.getFileLength()));
 158         }
 159
 160         //  Add User Button
 161         Button addUserGroupButton = (Button)
 162                 view.findViewById(R.id.addUserButton);
 163         addUserGroupButton.setOnClickListener(new View.OnClickListener() {
 164             @Override
 165             public void onClick(View view) {
 166                 boolean shareWithUsersEnable = AccountUtils.hasSearchUsersSupport(mAccount);
 167                 if (shareWithUsersEnable) {
 168                     // Show Search Fragment
 169                     mListener.showSearchUsersAndGroups();
 170                 } else {
 171                     String message = getString(R.string.share_sharee_unavailable);
 172                     Toast.makeText(getActivity(), message, Toast.LENGTH_LONG).show();
 173                 }
 174             }
 175         });
 176
 177         // Switch to create public share
 178         Switch shareViaLinkSwitch = (Switch) view.findViewById(R.id.shareViaLinkSectionSwitch);
 179         shareViaLinkSwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
 180             @Override
 181             public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
 182                 if (isChecked) {
 183                     // TODO real implementation: create public share
 184                     // expand section
 185                     getExpirationDateSection().setVisibility(View.VISIBLE);
 186                     getPasswordSection().setVisibility(View.VISIBLE);
 187                     getGetLinkButton().setVisibility(View.VISIBLE);
 188
 189                 } else {
 190                     // TODO real implementation: unshare
 191                     // collapse section
 192                     getExpirationDateSection().setVisibility(View.GONE);
 193                     getPasswordSection().setVisibility(View.GONE);
 194                     getGetLinkButton().setVisibility(View.GONE);
 195                 }
 196             }
 197         });
 198
 199         // Switch for expiration date
 200         Switch shareViaLinkExpirationSwitch = (Switch) view.findViewById(R.id.shareViaLinkExpirationSwitch);
 201         shareViaLinkExpirationSwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
 202             @Override
 203             public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
 204                 if (isChecked) {
 205                     // TODO real implementation: update share with expiration date
 206                     // show value of expiration date
 207                     getExpirationDateValue().setText(R.string.placeholder_timestamp);
 208
 209                 } else {
 210                     // TODO real implementation: update share without expiration date
 211                     // empty value
 212                     getExpirationDateValue().setText(R.string.empty);
 213                 }
 214             }
 215         });
 216
 217         // Switch for password
 218         Switch shareViaLinkPasswordSwitch = (Switch) view.findViewById(R.id.shareViaLinkPasswordSwitch);
 219         shareViaLinkPasswordSwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
 220             @Override
 221             public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
 222                 if (isChecked) {
 223                     // TODO real implementation: update share with password
 224                     // show
 225                     getExpirationPasswordValue().setVisibility(View.VISIBLE);
 226
 227                 } else {
 228                     // TODO real implementation: update share without password
 229                     // empty value
 230                     getExpirationPasswordValue().setVisibility(View.INVISIBLE);
 231                 }
 232             }
 233         });
 234
 235
 236         return view;
 237     }
 238
 239     @Override
 240     public void onActivityCreated(Bundle savedInstanceState) {
 241         super.onActivityCreated(savedInstanceState);
 242
 243         // Load data into the list of private shares
 244         refreshUsersOrGroupsListFromDB();
 245
 246         // Load data of public share, if exists
 247         refreshPublicShareFromDB();
 248     }
 249
 250     @Override
 251     public void onAttach(Activity activity) {
 252         super.onAttach(activity);
 253         try {
 254             mListener = (OnShareFragmentInteractionListener) activity;
 255         } catch (ClassCastException e) {
 256             throw new ClassCastException(activity.toString()
 257                     + " must implement OnShareFragmentInteractionListener");
 258         }
 259     }
 260
 261     @Override
 262     public void onDetach() {
 263         super.onDetach();
 264         mListener = null;
 265     }
 266
 267     /**
 268      * Get users and groups from the DB to fill in the "share with" list
 269      *
 270      * Depends on the parent Activity provides a {@link com.owncloud.android.datamodel.FileDataStorageManager}
 271      * instance ready to use. If not ready, does nothing.
 272      */
 273     public void refreshUsersOrGroupsListFromDB (){
 274         if (((FileActivity) mListener).getStorageManager() != null) {
 275             // Get Users and Groups
 276             mPrivateShares = ((FileActivity) mListener).getStorageManager().getSharesWithForAFile(
 277                     mFile.getRemotePath(),
 278                     mAccount.name
 279             );
 280
 281             // Update list of users/groups
 282             updateListOfUserGroups();
 283         }
 284     }
 285
 286     private void updateListOfUserGroups() {
 287         // Update list of users/groups
 288         // TODO Refactoring: create a new {@link ShareUserListAdapter} instance with every call should not be needed
 289         mUserGroupsAdapter = new ShareUserListAdapter(
 290                 getActivity(),
 291                 R.layout.share_user_item,
 292                 mPrivateShares,
 293                 this
 294         );
 295
 296         // Show data
 297         TextView noShares = (TextView) getView().findViewById(R.id.shareNoUsers);
 298         ListView usersList = (ListView) getView().findViewById(R.id.shareUsersList);
 299
 300         if (mPrivateShares.size() > 0) {
 301             noShares.setVisibility(View.GONE);
 302             usersList.setVisibility(View.VISIBLE);
 303             usersList.setAdapter(mUserGroupsAdapter);
 304
 305         } else {
 306             noShares.setVisibility(View.VISIBLE);
 307             usersList.setVisibility(View.GONE);
 308         }
 309     }
 310
 311     @Override
 312     public void unshareButtonPressed(OCShare share) {
 313         // Unshare
 314         mListener.unshareWith(share);
 315         Log_OC.d(TAG, "Unshare - " + share.getSharedWithDisplayName());
 316     }
 317
 318
 319
 320     /**
 321      * Get public link from the DB to fill in the "Share link" section
 322      *
 323      * Depends on the parent Activity provides a {@link com.owncloud.android.datamodel.FileDataStorageManager}
 324      * instance ready to use. If not ready, does nothing.
 325      */
 326     public void refreshPublicShareFromDB() {
 327         if (((FileActivity) mListener).getStorageManager() != null) {
 328             // Get public share
 329             mPublicShare = ((FileActivity) mListener).getStorageManager().getFirstShareByPathAndType(
 330                     mFile.getRemotePath(),
 331                     ShareType.PUBLIC_LINK,
 332                     ""
 333             );
 334
 335             // Update list of users/groups
 336             updatePublicShareSection();
 337         }
 338     }
 339
 340     /**
 341      * Updates in the UI the section about public share with the information in the current
 342      * public share bound to mFile, if any
 343      */
 344     private void updatePublicShareSection() {
 345         if (mPublicShare != null && ShareType.PUBLIC_LINK.equals(mPublicShare.getShareType())) {
 346             // public share bound -> expand section
 347             getShareViaLinkSwitch().setChecked(true);
 348             getExpirationDateSection().setVisibility(View.VISIBLE);
 349             getPasswordSection().setVisibility(View.VISIBLE);
 350             getGetLinkButton().setVisibility(View.VISIBLE);
 351
 352         } else {
 353             // no public share -> collapse section
 354             getShareViaLinkSwitch().setChecked(false);
 355             getExpirationDateSection().setVisibility(View.GONE);
 356             getPasswordSection().setVisibility(View.GONE);
 357             getGetLinkButton().setVisibility(View.GONE);
 358         }
 359     }
 360
 361     private Switch getShareViaLinkSwitch() {
 362         return (Switch) getView().findViewById(R.id.shareViaLinkSectionSwitch);
 363     }
 364
 365     private View getExpirationDateSection() {
 366         return getView().findViewById(R.id.shareViaLinkExpirationSection);
 367     }
 368
 369     private TextView getExpirationDateValue() {
 370         return (TextView) getView().findViewById(R.id.shareViaLinkExpirationValue);
 371     }
 372
 373     private View getPasswordSection() {
 374         return getView().findViewById(R.id.shareViaLinkPasswordSection);
 375     }
 376
 377     private TextView getExpirationPasswordValue() {
 378         return (TextView) getView().findViewById(R.id.shareViaLinkPasswordValue);
 379     }
 380
 381     private AppCompatButton getGetLinkButton() {
 382         return (AppCompatButton) getView().findViewById(R.id.shareViewLinkGetLinkButton);
 383     }
 384
 385
 386     /**
 387      * This interface must be implemented by activities that contain this
 388      * fragment to allow an interaction in this fragment to be communicated
 389      * to the activity and potentially other fragments contained in that
 390      * activity.
 391      * <p/>
 392      * See the Android Training lesson <a href=
 393      * "http://developer.android.com/training/basics/fragments/communicating.html"
 394      * >Communicating with Other Fragments</a> for more information.
 395      */
 396     public interface OnShareFragmentInteractionListener {
 397         void showSearchUsersAndGroups();
 398         void refreshUsersOrGroupsListFromServer();
 399         void unshareWith(OCShare share);
 400     }
 401
 402 }