The Tor Browser / file revision

 /* This Source Code Form is subject to the terms of the Mozilla Public

  * License, v. 2.0. If a copy of the MPL was not distributed with this

  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

 package org.mozilla.gecko.sync.setup.activities;

 import java.util.ArrayList;

 import java.util.Collection;

 import java.util.List;

 import org.mozilla.gecko.R;

 import org.mozilla.gecko.sync.repositories.domain.ClientRecord;

 import android.content.Context;

 import android.view.View;

 import android.view.View.OnClickListener;

 import android.view.ViewGroup;

 import android.widget.ArrayAdapter;

 import android.widget.CheckBox;

 import android.widget.ImageView;

 import android.widget.TextView;

 public class ClientRecordArrayAdapter extends ArrayAdapter<ClientRecord> {

   public static final String LOG_TAG = "ClientRecArrayAdapter";

   private boolean[] checkedItems;

   private SendTabActivity sendTabActivity;

   public ClientRecordArrayAdapter(Context context,

                                   int textViewResourceId) {

     super(context, textViewResourceId, new ArrayList<ClientRecord>());

     this.checkedItems = new boolean[0];

     this.sendTabActivity = (SendTabActivity) context;

   }

   public synchronized void setClientRecordList(final Collection<ClientRecord> clientRecordList) {

     this.clear();

     this.checkedItems = new boolean[clientRecordList.size()];

     for (ClientRecord clientRecord : clientRecordList) {

       this.add(clientRecord);

     }

     this.notifyDataSetChanged();

   }

   /**

    * If we have only a single client record in the list, mark it as checked.

    */

   public synchronized void checkItem(final int position, boolean checked) throws ArrayIndexOutOfBoundsException {

     if (position < 0 ||

         position >= checkedItems.length) {

       throw new ArrayIndexOutOfBoundsException(position);

     }

     if (setRowChecked(position, true)) {

       this.notifyDataSetChanged();

     }

   }

   /**

    * Set the specified row to the specified checked state.

    * @param position an index.

    * @param checked whether the checkbox should be checked.

    * @return <code>true</code> if the state changed, <code>false</code> if the

    *         box was already in the requested state.

    */

   protected synchronized boolean setRowChecked(int position, boolean checked) {

     boolean current = checkedItems[position];

     if (current == checked) {

       return false;

     }

     checkedItems[position] = checked;

     sendTabActivity.enableSend(getNumCheckedGUIDs() > 0);

     return true;

   }

   @Override

   public View getView(final int position, View convertView, ViewGroup parent) {

     final Context context = this.getContext();

     // Reuse View objects if they exist.

     View row = convertView;

     if (row == null) {

       row = View.inflate(context, R.layout.sync_list_item, null);

       setSelectable(row, true);

       row.setBackgroundResource(android.R.drawable.menuitem_background);

     }

     final ClientRecord clientRecord = this.getItem(position);

     ImageView clientType = (ImageView) row.findViewById(R.id.img);

     TextView clientName = (TextView) row.findViewById(R.id.client_name);

     // Set up checkbox and restore stored state.

     CheckBox checkbox = (CheckBox) row.findViewById(R.id.check);

     checkbox.setChecked(checkedItems[position]);

     setSelectable(checkbox, false);

     clientName.setText(clientRecord.name);

     clientType.setImageResource(getImage(clientRecord));

     row.setOnClickListener(new OnClickListener() {

       @Override

       public void onClick(View view) {

         final CheckBox item = (CheckBox) view.findViewById(R.id.check);

         // Update the checked item, both in the UI and in our internal state.

         final boolean checked = !item.isChecked();    // Because it hasn't happened yet.

         item.setChecked(checked);

         setRowChecked(position, checked);

       }

     });

     return row;

   }

   /**

    * Get list of checked GUIDs.

    *

    * @return non-null list.

    */

   public synchronized List<String> getCheckedGUIDs() {

     final List<String> guids = new ArrayList<String>();

     for (int i = 0; i < checkedItems.length; i++) {

       if (checkedItems[i]) {

         guids.add(this.getItem(i).guid);

       }

     }

     return guids;

   }

   /**

    * Get number of checked GUIDs.

    *

    * @return non-negative integer.

    */

   public synchronized int getNumCheckedGUIDs() {

     int numCheckedGUIDs = 0;

     for (int i = 0; i < checkedItems.length; i++) {

       if (checkedItems[i]) {

         numCheckedGUIDs += 1;

       }

     }

     return numCheckedGUIDs;

   }

   private int getImage(ClientRecord record) {

     if ("mobile".equals(record.type)) {

       return R.drawable.sync_mobile;

     }

     return R.drawable.sync_desktop;

   }

   private void setSelectable(View view, boolean selectable) {

     view.setClickable(selectable);

     view.setFocusable(selectable);

   }

 }