certify: viewkeyuseridsadapter cosmetics and checkbox capability

OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/ViewKeyMainFragment.java

@@ -198,12 +198,13 @@ public class ViewKeyMainFragment extends Fragment implements
     static final int KEYRING_INDEX_USER_ID = 2;
 
     static final String[] USER_IDS_PROJECTION =
-            new String[]{KeychainContract.UserIds._ID, KeychainContract.UserIds.USER_ID,
+            new String[]{
-            KeychainContract.UserIds.RANK, };
+                KeychainContract.UserIds._ID,
-    // not the main user id
+                KeychainContract.UserIds.USER_ID,
-    static final String USER_IDS_SELECTION = KeychainContract.UserIds.RANK + " > 0 ";
+                KeychainContract.UserIds.RANK,
+            };
     static final String USER_IDS_SORT_ORDER =
-            KeychainContract.UserIds.USER_ID + " COLLATE LOCALIZED ASC";
+            KeychainContract.UserIds.RANK + " COLLATE LOCALIZED ASC";
 
     static final String[] KEYS_PROJECTION =
             new String[]{KeychainContract.Keys._ID, KeychainContract.Keys.KEY_ID,
@@ -239,7 +240,7 @@ public class ViewKeyMainFragment extends Fragment implements
 
                 // Now create and return a CursorLoader that will take care of
                 // creating a Cursor for the data being displayed.
-                return new CursorLoader(getActivity(), baseUri, USER_IDS_PROJECTION, USER_IDS_SELECTION, null,
+                return new CursorLoader(getActivity(), baseUri, USER_IDS_PROJECTION, null, null,
                         USER_IDS_SORT_ORDER);
             }
             case LOADER_ID_KEYS: {

OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/ViewKeyUserIdsAdapter.java

@@ -23,26 +23,48 @@ import android.support.v4.widget.CursorAdapter;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.CheckBox;
+import android.widget.CompoundButton;
 import android.widget.TextView;
 import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
 import org.sufficientlysecure.keychain.provider.KeychainContract.UserIds;
 
+import java.util.ArrayList;
+
 public class ViewKeyUserIdsAdapter extends CursorAdapter {
     private LayoutInflater mInflater;
 
-    private int mIndexUserId;
+    private int mIndexUserId, mIndexRank;
 
-    public ViewKeyUserIdsAdapter(Context context, Cursor c, int flags) {
+    final private ArrayList<Boolean> mCheckStates;
+
+    public ViewKeyUserIdsAdapter(Context context, Cursor c, int flags, boolean showCheckBoxes) {
         super(context, c, flags);
 
         mInflater = LayoutInflater.from(context);
 
+        mCheckStates = showCheckBoxes ? new ArrayList<Boolean>() : null;
+
         initIndex(c);
     }
+    public ViewKeyUserIdsAdapter(Context context, Cursor c, int flags) {
+        this(context, c, flags, false);
+    }
 
     @Override
     public Cursor swapCursor(Cursor newCursor) {
         initIndex(newCursor);
+        if(mCheckStates != null) {
+            mCheckStates.clear();
+            if(newCursor != null) {
+                int count = newCursor.getCount();
+                mCheckStates.ensureCapacity(count);
+                // initialize to true (use case knowledge: we usually want to sign all uids)
+                for(int i = 0; i < count; i++)
+                    mCheckStates.add(true);
+            }
+        }
 
         return super.swapCursor(newCursor);
     }
@@ -56,20 +78,67 @@ public class ViewKeyUserIdsAdapter extends CursorAdapter {
     private void initIndex(Cursor cursor) {
         if (cursor != null) {
             mIndexUserId = cursor.getColumnIndexOrThrow(UserIds.USER_ID);
+            mIndexRank = cursor.getColumnIndexOrThrow(UserIds.RANK);
         }
     }
 
     @Override
     public void bindView(View view, Context context, Cursor cursor) {
-        String userIdStr = cursor.getString(mIndexUserId);
 
-        TextView userId = (TextView) view.findViewById(R.id.userId);
+        TextView vRank = (TextView) view.findViewById(R.id.rank);
-        userId.setText(userIdStr);
+        TextView vUserId = (TextView) view.findViewById(R.id.userId);
+        TextView vAddress = (TextView) view.findViewById(R.id.address);
+
+        vRank.setText(Integer.toString(cursor.getInt(mIndexRank)));
+
+        String[] userId = PgpKeyHelper.splitUserId(cursor.getString(mIndexUserId));
+        if (userId[0] != null) {
+            vUserId.setText(userId[0]);
+        } else {
+            vUserId.setText(R.string.user_id_no_name);
+        }
+        vAddress.setText(userId[1]);
+
+        // don't care further if checkboxes aren't shown
+        if(mCheckStates == null)
+            return;
+
+        final CheckBox vCheckBox = (CheckBox) view.findViewById(R.id.checkBox);
+        final int position = cursor.getPosition();
+        vCheckBox.setClickable(false);
+        vCheckBox.setChecked(mCheckStates.get(position));
+        vCheckBox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(CompoundButton compoundButton, boolean b) {
+                mCheckStates.set(position, b);
+            }
+        });
+        view.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                vCheckBox.toggle();
+            }
+        });
+
+    }
+
+    public ArrayList<String> getSelectedUserIds() {
+        ArrayList<String> result = new ArrayList<String>();
+        for(int i = 0; i < mCheckStates.size(); i++) {
+            if(mCheckStates.get(i)) {
+                mCursor.moveToPosition(i);
+                result.add(mCursor.getString(mIndexUserId));
+            }
+        }
+        return result;
     }
 
     @Override
     public View newView(Context context, Cursor cursor, ViewGroup parent) {
-        return mInflater.inflate(R.layout.view_key_userids_item, null);
+        View view = mInflater.inflate(R.layout.view_key_userids_item, null);
+        // only need to do this once ever, since mShowCheckBoxes is final
+        view.findViewById(R.id.checkBox).setVisibility(mCheckStates != null ? View.VISIBLE : View.GONE);
+        return view;
     }
 
 }

OpenPGP-Keychain/src/main/res/layout/view_key_userids_item.xml

@@ -2,15 +2,44 @@
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    android:orientation="vertical"
+    android:orientation="horizontal"
     android:paddingRight="3dip"
     android:singleLine="true">
 
-    <TextView
+    <CheckBox
-        android:id="@+id/userId"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="@string/user_id"
+        android:id="@+id/checkBox" />
-        android:textAppearance="?android:attr/textAppearanceSmall" />
+
+    <TextView
+        android:id="@+id/rank"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textAppearance="?android:attr/textAppearanceSmall"
+        android:text="0"
+        android:paddingLeft="10dp"
+        android:paddingRight="10dp"
+        android:layout_gravity="center_vertical" />
+
+    <LinearLayout
+        android:orientation="vertical"
+        android:layout_width="fill_parent"
+        android:layout_height="wrap_content">
+
+        <TextView
+            android:id="@+id/userId"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/user_id_no_name"
+            android:textAppearance="?android:attr/textAppearanceSmall" />
+
+        <TextView
+            android:id="@+id/address"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/label_email"
+            android:textAppearance="?android:attr/textAppearanceSmall"
+            android:paddingLeft="10dp" />
+    </LinearLayout>
 
 </LinearLayout>