src/eu/alefzero/owncloud/ui/fragment/LandingPageFragment.java

   1 package eu.alefzero.owncloud.ui.fragment;
   2
   3 import android.accounts.Account;
   4 import android.accounts.AccountManager;
   5 import android.content.Context;
   6 import android.content.Intent;
   7 import android.os.Bundle;
   8 import android.support.v4.app.Fragment;
   9 import android.util.Log;
  10 import android.view.LayoutInflater;
  11 import android.view.View;
  12 import android.view.ViewGroup;
  13 import android.widget.AdapterView;
  14 import android.widget.AdapterView.OnItemClickListener;
  15 import android.widget.BaseAdapter;
  16 import android.widget.GridView;
  17 import android.widget.ImageView;
  18 import android.widget.TextView;
  19 import android.widget.Toast;
  20 import eu.alefzero.owncloud.R;
  21 import eu.alefzero.owncloud.authenticator.AccountAuthenticator;
  22 import eu.alefzero.owncloud.ui.FileDisplayActivity;
  23 import eu.alefzero.owncloud.ui.Preferences;
  24
  25 public class LandingPageFragment extends Fragment implements OnItemClickListener {
  26
  27         @Override
  28         public View onCreateView(LayoutInflater inflater, ViewGroup container,
  29                         Bundle savedInstanceState) {
  30                 View root = inflater.inflate(R.layout.landing_page_fragment, container);
  31                 return root;
  32         }
  33
  34
  35         @Override
  36         public void onActivityCreated(Bundle savedInstanceState) {
  37                 super.onActivityCreated(savedInstanceState);
  38                 GridView grid = (GridView) getView().findViewById(R.id.gridview);
  39                 grid.setAdapter(new LandingScreenAdapter(getActivity()));
  40                 grid.setOnItemClickListener(this);
  41         }
  42
  43         @Override
  44         public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
  45                 Intent intent;
  46
  47                 /**
  48                  * If the user selects something and acounts are setup,
  49                  * we can use our LandingScreenAdapter to get the matching
  50                  * intent for the selected item.
  51                  *
  52                  * Otherwise, the accounsAreSetuo() method will trigger the
  53                  * creation of one.
  54                  */
  55                 if(accountsAreSetup()){
  56                         intent = (Intent) parent.getAdapter().getItem(position);
  57                         if(intent != null ){
  58                                 startActivity(intent);
  59                         } else {
  60                                 Toast toast = Toast.makeText(getActivity(), "Not yet implemented!", Toast.LENGTH_SHORT);
  61                                 toast.show();
  62                         }
  63
  64                 }
  65         }
  66
  67         /**
  68          * Checks, whether or not there are any ownCloud accounts
  69          * setup. If there is none, it will create one.
  70          *
  71          * If there are more then one, it will trigger a selection
  72          * unless the selection has not been made yet.
  73          *
  74          * @return true, if there is at least one account.
  75          */
  76         private boolean accountsAreSetup() {
  77                 AccountManager accMan = AccountManager.get(getActivity());
  78                 Account[] accounts = accMan
  79                                 .getAccountsByType(AccountAuthenticator.ACCOUNT_TYPE);
  80
  81                 if (accounts.length == 0) {
  82                         Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS");
  83                         intent.putExtra("authorities",
  84                                         new String[] { AccountAuthenticator.AUTH_TOKEN_TYPE });
  85                         startActivity(intent);
  86                         return false;
  87                 } else if (accounts.length > 1) {
  88                         // TODO: Figure out what to do.
  89                 }
  90
  91                 return true;
  92         }
  93
  94         /**
  95          * Used to populate the landing page grid.
  96          * Defined this one right in here as private class
  97          * as it is unlikely that this Adapter can be useful
  98          * anywhere else.
  99          *
 100          * @author Lennart Rosam
 101          *
 102          */
 103         private class LandingScreenAdapter extends BaseAdapter {
 104
 105                 private Context mContext;
 106
 107                 private final Integer[] mLandingScreenIcons = { R.drawable.home,
 108                                 R.drawable.music, R.drawable.contacts,
 109                                 android.R.drawable.ic_menu_today,
 110                                 android.R.drawable.ic_menu_agenda,
 111                                 android.R.drawable.ic_menu_preferences };
 112
 113                 private final Integer[] mLandingScreenTexts = { R.string.main_files,
 114                                 R.string.main_music, R.string.main_contacts,
 115                                 R.string.main_calendar, R.string.main_bookmarks,
 116                                 R.string.main_settings };
 117
 118                 public LandingScreenAdapter(Context context) {
 119                         mContext = context;
 120                 }
 121
 122                 @Override
 123                 public int getCount() {
 124                         return mLandingScreenIcons.length;
 125                 }
 126
 127                 @Override
 128                 /**
 129                  * Returns the Intent associated with this object
 130                  * or null if the functionality is not yet implemented
 131                  */
 132                 public Object getItem(int position) {
 133                         Intent intent = new Intent();
 134                         switch (position) {
 135                         case 0:
 136                                 intent.setClass(mContext, FileDisplayActivity.class);
 137                                 break;
 138                         case 5:
 139                                 intent.setClass(mContext, Preferences.class);
 140                                 break;
 141                         default:
 142                                 intent = null;
 143                         }
 144                         return intent;
 145                 }
 146
 147                 @Override
 148                 public long getItemId(int position) {
 149                         return position;
 150                 }
 151
 152                 @Override
 153                 public View getView(int position, View convertView, ViewGroup parent) {
 154                         if (convertView == null) {
 155                                 LayoutInflater inflator = LayoutInflater.from(mContext);
 156                                 convertView = inflator
 157                                                 .inflate(R.layout.landing_page_item, null);
 158
 159                                 ImageView icon = (ImageView) convertView
 160                                                 .findViewById(R.id.gridImage);
 161                                 TextView iconText = (TextView) convertView
 162                                                 .findViewById(R.id.gridText);
 163
 164                                 icon.setImageResource(mLandingScreenIcons[position]);
 165                                 iconText.setText(mLandingScreenTexts[position]);
 166                         }
 167                         return convertView;
 168                 }
 169
 170         }
 171 }