working unified list (no actions yet)

6 files changed, 353 insertions, 244 deletions

diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainContract.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainContract.java
index d8de30b37..706b30d05 100644
--- a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainContract.java
+++ b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainContract.java
@@ -78,6 +78,7 @@ public class KeychainContract {
 
     public static final String PATH_PUBLIC = "public";
     public static final String PATH_SECRET = "secret";
+    public static final String PATH_UNIFIED = "unified";
 
     public static final String PATH_BY_MASTER_KEY_ID = "master_key_id";
     public static final String PATH_BY_KEY_ID = "key_id";
@@ -100,6 +101,10 @@ public class KeychainContract {
         /** Use if a single item is returned */
         public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/vnd.thialfihar.apg.key_ring";
 
+        public static Uri buildUnifiedKeyRingsUri() {
+            return CONTENT_URI.buildUpon().appendPath(PATH_UNIFIED).build();
+        }
+
         public static Uri buildPublicKeyRingsUri() {
             return CONTENT_URI.buildUpon().appendPath(PATH_PUBLIC).build();
         }
diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainProvider.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainProvider.java
index 781f36758..85e01ae53 100644
--- a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainProvider.java
+++ b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/provider/KeychainProvider.java
@@ -81,6 +81,8 @@ public class KeychainProvider extends ContentProvider {
     private static final int API_APPS_BY_ROW_ID = 302;
     private static final int API_APPS_BY_PACKAGE_NAME = 303;
 
+    private static final int UNIFIED_KEY_RING = 401;
+
     // private static final int DATA_STREAM = 401;
 
     protected UriMatcher mUriMatcher;
@@ -227,6 +229,16 @@ public class KeychainProvider extends ContentProvider {
                 + KeychainContract.PATH_BY_PACKAGE_NAME + "/*", API_APPS_BY_PACKAGE_NAME);
 
         /**
+         * unified key rings
+         * <pre>
+         *
+         * key_rings/unified
+         *
+         */
+        matcher.addURI(authority, KeychainContract.BASE_KEY_RINGS + "/"
+                + KeychainContract.PATH_UNIFIED, UNIFIED_KEY_RING);
+
+        /**
          * data stream
          *
          * <pre>
@@ -455,6 +467,69 @@ public class KeychainProvider extends ContentProvider {
 
         int match = mUriMatcher.match(uri);
 
+        // screw that switch
+        if(match == UNIFIED_KEY_RING) {
+
+            // join keyrings with keys and userIds
+            // Only get user id and key with rank 0 (main user id and main key)
+            qb.setTables(Tables.KEY_RINGS + " INNER JOIN " + Tables.KEYS + " ON " + "("
+                    + Tables.KEY_RINGS + "." + BaseColumns._ID + " = " + Tables.KEYS + "."
+                    + KeysColumns.KEY_RING_ROW_ID + " AND " + Tables.KEYS + "."
+                    + KeysColumns.RANK + " = '0') " + " INNER JOIN " + Tables.USER_IDS + " ON "
+                    + "(" + Tables.KEY_RINGS + "." + BaseColumns._ID + " = " + Tables.USER_IDS + "."
+                    + UserIdsColumns.KEY_RING_ROW_ID + " AND " + Tables.USER_IDS + "."
+                    + UserIdsColumns.RANK + " = '0')");
+
+            {
+                HashMap<String, String> projectionMap = new HashMap<String, String>();
+
+                projectionMap.put(KeyRingsColumns.TYPE, "MAX(" + Tables.KEY_RINGS + "." + KeyRingsColumns.TYPE + ")");
+
+                projectionMap.put(BaseColumns._ID, Tables.KEY_RINGS + "." + BaseColumns._ID);
+                projectionMap.put(KeyRingsColumns.KEY_RING_DATA, Tables.KEY_RINGS + "."
+                        + KeyRingsColumns.KEY_RING_DATA);
+                projectionMap.put(KeyRingsColumns.MASTER_KEY_ID, Tables.KEY_RINGS + "." + KeyRingsColumns.MASTER_KEY_ID);
+                // TODO: deprecated master key id
+                //projectionMap.put(KeyRingsColumns.MASTER_KEY_ID, Tables.KEYS + "." + KeysColumns.KEY_ID);
+
+                projectionMap.put(KeysColumns.FINGERPRINT, Tables.KEYS + "." + KeysColumns.FINGERPRINT);
+                projectionMap.put(KeysColumns.IS_REVOKED, Tables.KEYS + "." + KeysColumns.IS_REVOKED);
+
+                projectionMap.put(UserIdsColumns.USER_ID, Tables.USER_IDS + "." + UserIdsColumns.USER_ID);
+
+                qb.setProjectionMap(projectionMap);
+            }
+
+            if (TextUtils.isEmpty(sortOrder)) {
+                sortOrder = Tables.USER_IDS + "." + UserIdsColumns.USER_ID + " ASC";
+            }
+
+            // If no sort order is specified use the default
+            String orderBy;
+            if (TextUtils.isEmpty(sortOrder)) {
+                orderBy = Tables.KEY_RINGS + "." + KeyRingsColumns.TYPE + " DESC";
+            } else {
+                orderBy = Tables.KEY_RINGS + "." + KeyRingsColumns.TYPE + " DESC, " + sortOrder;
+            }
+
+            Cursor c = qb.query(db, projection, selection, selectionArgs,
+                    Tables.KEY_RINGS + "." + KeyRingsColumns.MASTER_KEY_ID,
+                    null, orderBy);
+
+            // Tell the cursor what uri to watch, so it knows when its source data changes
+            c.setNotificationUri(getContext().getContentResolver(), uri);
+
+            if (Constants.DEBUG) {
+                Log.d(Constants.TAG,
+                        "Query: "
+                                + qb.buildQuery(projection, selection, selectionArgs, Tables.KEY_RINGS + "." + KeyRingsColumns.MASTER_KEY_ID, null,
+                                orderBy, null));
+                Log.d(Constants.TAG, "Cursor: " + DatabaseUtils.dumpCursorToString(c));
+            }
+
+            return c;
+        }
+
         switch (match) {
             case PUBLIC_KEY_RING:
             case SECRET_KEY_RING:
diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/DrawerActivity.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/DrawerActivity.java
index 08ca262c3..d7644ce4d 100644
--- a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/DrawerActivity.java
+++ b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/DrawerActivity.java
@@ -50,7 +50,7 @@ public class DrawerActivity extends ActionBarActivity {
     private CharSequence mDrawerTitle;
     private CharSequence mTitle;
 
-    private static Class[] mItemsClass = new Class[] { KeyListPublicActivity.class,
+    private static Class[] mItemsClass = new Class[] { KeyListActivity.class,
             EncryptActivity.class, DecryptActivity.class, ImportKeysActivity.class,
             KeyListSecretActivity.class, RegisteredAppsListActivity.class };
     private Class mSelectedItem;
diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListActivity.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListActivity.java
index dd7aa9a26..0bbe2edb1 100644
--- a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListActivity.java
+++ b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListActivity.java
@@ -37,7 +37,7 @@ public class KeyListActivity extends DrawerActivity {
 
         mExportHelper = new ExportHelper(this);
 
-        setContentView(R.layout.key_list_public_activity);
+        setContentView(R.layout.key_list_activity);
 
         // now setup navigation drawer in DrawerActivity...
         setupDrawerNavigation(savedInstanceState);
@@ -46,19 +46,19 @@ public class KeyListActivity extends DrawerActivity {
     @Override
     public boolean onCreateOptionsMenu(Menu menu) {
         super.onCreateOptionsMenu(menu);
-        getMenuInflater().inflate(R.menu.key_list_public, menu);
+        getMenuInflater().inflate(R.menu.key_list, menu);
         return true;
     }
 
     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         switch (item.getItemId()) {
-        case R.id.menu_key_list_public_import:
+        case R.id.menu_key_list_import:
             Intent intentImport = new Intent(this, ImportKeysActivity.class);
             startActivityForResult(intentImport, 0);
 
             return true;
-        case R.id.menu_key_list_public_export:
+        case R.id.menu_key_list_export:
             mExportHelper.showExportKeysDialog(null, Id.type.public_key, Constants.path.APP_DIR
                     + "/pubexport.asc");
 
diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListFragment.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListFragment.java
index 6f94ffd1a..a638796cd 100644
--- a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListFragment.java
+++ b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/KeyListFragment.java
@@ -17,25 +17,32 @@
 
 package org.sufficientlysecure.keychain.ui;
 
+import java.util.HashMap;
 import java.util.ArrayList;
 import java.util.Set;
 
+import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.Id;
 import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
 import org.sufficientlysecure.keychain.provider.KeychainContract;
 import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
+import org.sufficientlysecure.keychain.provider.KeychainContract.KeyTypes;
 import org.sufficientlysecure.keychain.provider.KeychainContract.UserIds;
 import org.sufficientlysecure.keychain.provider.ProviderHelper;
-import org.sufficientlysecure.keychain.ui.adapter.KeyListAdapter;
 import org.sufficientlysecure.keychain.ui.dialog.DeleteKeyDialogFragment;
+import org.sufficientlysecure.keychain.util.Log;
 
 import se.emilsjolander.stickylistheaders.ApiLevelTooLowException;
 import se.emilsjolander.stickylistheaders.StickyListHeadersListView;
+import se.emilsjolander.stickylistheaders.StickyListHeadersAdapter;
 
 import android.annotation.SuppressLint;
 import android.annotation.TargetApi;
+import android.content.Context;
 import android.content.Intent;
 import android.database.Cursor;
+import android.graphics.Color;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
@@ -46,6 +53,7 @@ import android.support.v4.app.Fragment;
 import android.support.v4.app.LoaderManager;
 import android.support.v4.content.CursorLoader;
 import android.support.v4.content.Loader;
+import android.support.v4.widget.CursorAdapter;
 import android.view.ActionMode;
 import android.view.LayoutInflater;
 import android.view.Menu;
@@ -55,7 +63,9 @@ import android.view.View.OnClickListener;
 import android.view.ViewGroup;
 import android.widget.AbsListView.MultiChoiceModeListener;
 import android.widget.AdapterView;
+import android.widget.Button;
 import android.widget.ListView;
+import android.widget.TextView;
 import android.widget.Toast;
 
 import com.beardedhen.androidbootstrap.BootstrapButton;
@@ -207,7 +217,7 @@ public class KeyListFragment extends Fragment implements AdapterView.OnItemClick
         // setListShown(false);
 
         // Create an empty adapter we will use to display the loaded data.
-        mAdapter = new KeyListAdapter(getActivity(), null, Id.type.public_key, USER_ID_INDEX);
+        mAdapter = new KeyListAdapter(getActivity(), null, Id.type.public_key);
         mStickyList.setAdapter(mAdapter);
 
         // Prepare the loader. Either re-connect with an existing one,
@@ -218,20 +228,21 @@ public class KeyListFragment extends Fragment implements AdapterView.OnItemClick
     // These are the rows that we will retrieve.
     static final String[] PROJECTION = new String[]{
             KeychainContract.KeyRings._ID,
+            KeychainContract.KeyRings.TYPE,
             KeychainContract.KeyRings.MASTER_KEY_ID,
             KeychainContract.UserIds.USER_ID,
             KeychainContract.Keys.IS_REVOKED
     };
 
-    static final int USER_ID_INDEX = 2;
-
+    static final int INDEX_TYPE = 1;
+    static final int INDEX_UID = 3;
     static final String SORT_ORDER = UserIds.USER_ID + " ASC";
 
     @Override
     public Loader<Cursor> onCreateLoader(int id, Bundle args) {
         // This is called when a new Loader needs to be created. This
         // sample only has one Loader, so we don't care about the ID.
-        Uri baseUri = KeyRings.buildPublicKeyRingsUri();
+        Uri baseUri = KeyRings.buildUnifiedKeyRingsUri();
 
         // Now create and return a CursorLoader that will take care of
         // creating a Cursor for the data being displayed.
@@ -274,10 +285,14 @@ public class KeyListFragment extends Fragment implements AdapterView.OnItemClick
         } else {
             viewIntent = new Intent(getActivity(), ViewKeyActivityJB.class);
         }
-        viewIntent.setData(KeychainContract.KeyRings.buildPublicKeyRingsUri(Long.toString(id)));
+        if(mAdapter.getKeyType(position) == KeyTypes.SECRET) {
+            viewIntent.setData(KeychainContract.KeyRings.buildSecretKeyRingsByMasterKeyIdUri(Long.toString(mAdapter.getMasterKeyId(position))));
+        } else {
+            viewIntent.setData(KeychainContract.KeyRings.buildPublicKeyRingsByMasterKeyIdUri(Long.toString(mAdapter.getMasterKeyId(position))));
+        }
         startActivity(viewIntent);
     }
-    
+
     @TargetApi(11)
     public void encrypt(ActionMode mode, long[] keyRingRowIds) {
         // get master key ids from row ids
@@ -335,4 +350,250 @@ public class KeyListFragment extends Fragment implements AdapterView.OnItemClick
         deleteKeyDialog.show(getActivity().getSupportFragmentManager(), "deleteKeyDialog");
     }
 
+    /**
+     * Implements StickyListHeadersAdapter from library
+     */
+    private class KeyListAdapter extends CursorAdapter implements StickyListHeadersAdapter {
+        private LayoutInflater mInflater;
+        private int mIndexUserId;
+        private int mIndexIsRevoked;
+        private int mMasterKeyId;
+
+        @SuppressLint("UseSparseArrays")
+        private HashMap<Integer, Boolean> mSelection = new HashMap<Integer, Boolean>();
+
+        public KeyListAdapter(Context context, Cursor c, int flags) {
+            super(context, c, flags);
+
+            mInflater = LayoutInflater.from(context);
+            initIndex(c);
+        }
+
+        @Override
+        public Cursor swapCursor(Cursor newCursor) {
+            initIndex(newCursor);
+
+            return super.swapCursor(newCursor);
+        }
+
+        /**
+         * Get column indexes for performance reasons just once in constructor and swapCursor. For a
+         * performance comparison see http://stackoverflow.com/a/17999582
+         *
+         * @param cursor
+         */
+        private void initIndex(Cursor cursor) {
+            if (cursor != null) {
+                mIndexUserId = cursor.getColumnIndexOrThrow(KeychainContract.UserIds.USER_ID);
+                mIndexIsRevoked = cursor.getColumnIndexOrThrow(KeychainContract.Keys.IS_REVOKED);
+                mMasterKeyId = cursor.getColumnIndexOrThrow(KeychainContract.KeyRings.MASTER_KEY_ID);
+            }
+        }
+
+        /**
+         * Bind cursor data to the item list view
+         * <p/>
+         * NOTE: CursorAdapter already implements the ViewHolder pattern in its getView() method. Thus
+         * no ViewHolder is required here.
+         */
+        @Override
+        public void bindView(View view, Context context, Cursor cursor) {
+
+            { // set name and stuff, common to both key types
+                TextView mainUserId = (TextView) view.findViewById(R.id.mainUserId);
+                TextView mainUserIdRest = (TextView) view.findViewById(R.id.mainUserIdRest);
+
+                String userId = cursor.getString(mIndexUserId);
+                String[] userIdSplit = PgpKeyHelper.splitUserId(userId);
+                if (userIdSplit[0] != null) {
+                    mainUserId.setText(userIdSplit[0]);
+                } else {
+                    mainUserId.setText(R.string.user_id_no_name);
+                }
+                if (userIdSplit[1] != null) {
+                    mainUserIdRest.setText(userIdSplit[1]);
+                    mainUserIdRest.setVisibility(View.VISIBLE);
+                } else {
+                    mainUserIdRest.setVisibility(View.GONE);
+                }
+            }
+
+            { // set edit button and revoked info, specific by key type
+                Button button = (Button) view.findViewById(R.id.edit);
+                TextView revoked = (TextView) view.findViewById(R.id.revoked);
+
+                if(cursor.getInt(KeyListFragment.INDEX_TYPE) == KeyTypes.SECRET) {
+                    // this is a secret key - show the edit button
+                    revoked.setVisibility(View.GONE);
+                    button.setVisibility(View.VISIBLE);
+
+                    final long id = cursor.getLong(mMasterKeyId);
+                    button.setOnClickListener(new OnClickListener() {
+                        public void onClick(View view) {
+                            Log.d(Constants.TAG, "swag");
+                            Intent editIntent = new Intent(getActivity(), EditKeyActivity.class);
+                            // editIntent.setData(KeychainContract.KeyRings.buildSecretKeyRingsUri(Long.toString(1)));
+                            editIntent.setData(KeychainContract.KeyRings.buildSecretKeyRingsByMasterKeyIdUri(Long.toString(id)));
+                            editIntent.setAction(EditKeyActivity.ACTION_EDIT_KEY);
+                            startActivityForResult(editIntent, 0);
+                        }
+                    });
+                } else {
+                    // this is a public key - hide the edit button, show if it's revoked
+                    button.setVisibility(View.GONE);
+
+                    boolean isRevoked = cursor.getInt(mIndexIsRevoked) > 0;
+                    revoked.setVisibility(isRevoked ? View.VISIBLE : View.GONE);
+                }
+            }
+
+        }
+
+        public long getMasterKeyId(int id) {
+
+            if (!mCursor.moveToPosition(id)) {
+                throw new IllegalStateException("couldn't move cursor to position " + id);
+            }
+
+            return mCursor.getLong(mMasterKeyId);
+
+        }
+
+        public int getKeyType(int position) {
+
+            if (!mCursor.moveToPosition(position)) {
+                throw new IllegalStateException("couldn't move cursor to position " + position);
+            }
+
+            return mCursor.getInt(KeyListFragment.INDEX_TYPE);
+
+        }
+
+        @Override
+        public View newView(Context context, Cursor cursor, ViewGroup parent) {
+            return mInflater.inflate(R.layout.key_list_item, parent, false);
+        }
+
+        /**
+         * Creates a new header view and binds the section headers to it. It uses the ViewHolder
+         * pattern. Most functionality is similar to getView() from Android's CursorAdapter.
+         * <p/>
+         * NOTE: The variables mDataValid and mCursor are available due to the super class
+         * CursorAdapter.
+         */
+        @Override
+        public View getHeaderView(int position, View convertView, ViewGroup parent) {
+            HeaderViewHolder holder;
+            if (convertView == null) {
+                holder = new HeaderViewHolder();
+                convertView = mInflater.inflate(R.layout.key_list_header, parent, false);
+                holder.text = (TextView) convertView.findViewById(R.id.stickylist_header_text);
+                convertView.setTag(holder);
+            } else {
+                holder = (HeaderViewHolder) convertView.getTag();
+            }
+
+            if (!mDataValid) {
+                // no data available at this point
+                Log.d(Constants.TAG, "getHeaderView: No data available at this point!");
+                return convertView;
+            }
+
+            if (!mCursor.moveToPosition(position)) {
+                throw new IllegalStateException("couldn't move cursor to position " + position);
+            }
+
+            if(mCursor.getInt(KeyListFragment.INDEX_TYPE) == KeyTypes.SECRET) {
+                holder.text.setText("My Keys");
+                return convertView;
+            }
+
+            // set header text as first char in user id
+            String userId = mCursor.getString(KeyListFragment.INDEX_UID);
+            String headerText = convertView.getResources().getString(R.string.user_id_no_name);
+            if (userId != null && userId.length() > 0) {
+                headerText = "" + mCursor.getString(KeyListFragment.INDEX_UID).subSequence(0, 1).charAt(0);
+            }
+            holder.text.setText(headerText);
+            return convertView;
+        }
+
+        /**
+         * Header IDs should be static, position=1 should always return the same Id that is.
+         */
+        @Override
+        public long getHeaderId(int position) {
+            if (!mDataValid) {
+                // no data available at this point
+                Log.d(Constants.TAG, "getHeaderView: No data available at this point!");
+                return -1;
+            }
+
+            if (!mCursor.moveToPosition(position)) {
+                throw new IllegalStateException("couldn't move cursor to position " + position);
+            }
+
+            // early breakout: all secret keys are assigned id 0
+            if(mCursor.getInt(KeyListFragment.INDEX_TYPE) == KeyTypes.SECRET)
+                return 1L;
+
+            // otherwise, return the first character of the name as ID
+            String userId = mCursor.getString(KeyListFragment.INDEX_UID);
+            if (userId != null && userId.length() > 0) {
+                return userId.charAt(0);
+            } else {
+                return Long.MAX_VALUE;
+            }
+        }
+
+        class HeaderViewHolder {
+            TextView text;
+        }
+
+        /**
+         * -------------------------- MULTI-SELECTION METHODS --------------
+         */
+        public void setNewSelection(int position, boolean value) {
+            mSelection.put(position, value);
+            notifyDataSetChanged();
+        }
+
+        public boolean isPositionChecked(int position) {
+            Boolean result = mSelection.get(position);
+            return result == null ? false : result;
+        }
+
+        public Set<Integer> getCurrentCheckedPosition() {
+            return mSelection.keySet();
+        }
+
+        public void removeSelection(int position) {
+            mSelection.remove(position);
+            notifyDataSetChanged();
+        }
+
+        public void clearSelection() {
+            mSelection.clear();
+            notifyDataSetChanged();
+        }
+
+        @Override
+        public View getView(int position, View convertView, ViewGroup parent) {
+            // let the adapter handle setting up the row views
+            View v = super.getView(position, convertView, parent);
+
+            /**
+             * Change color for multi-selection
+             */
+            // default color
+            v.setBackgroundColor(Color.TRANSPARENT);
+            if (mSelection.get(position) != null) {
+                // this is a selected position, change color!
+                v.setBackgroundColor(parent.getResources().getColor(R.color.emphasis));
+            }
+            return v;
+        }
+
+    }
+
 }
diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/KeyListAdapter.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/KeyListAdapter.java
deleted file mode 100644
index 2e0d1496b..000000000
--- a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/adapter/KeyListAdapter.java
+++ /dev/null
@@ -1,232 +0,0 @@
-/*
- * Copyright (C) 2013 Dominik Schürmann <dominik@dominikschuermann.de>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package org.sufficientlysecure.keychain.ui.adapter;
-
-import android.annotation.SuppressLint;
-import android.content.Context;
-import android.database.Cursor;
-import android.graphics.Color;
-import android.support.v4.widget.CursorAdapter;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.TextView;
-
-import org.sufficientlysecure.keychain.Constants;
-import org.sufficientlysecure.keychain.R;
-import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
-import org.sufficientlysecure.keychain.provider.KeychainContract;
-import org.sufficientlysecure.keychain.util.Log;
-
-import java.util.HashMap;
-import java.util.Set;
-
-import se.emilsjolander.stickylistheaders.StickyListHeadersAdapter;
-
-/**
- * Implements StickyListHeadersAdapter from library
- */
-public class KeyListAdapter extends CursorAdapter implements StickyListHeadersAdapter {
-    private LayoutInflater mInflater;
-    private int mSectionColumnIndex;
-    private int mIndexUserId;
-    private int mIndexIsRevoked;
-
-    @SuppressLint("UseSparseArrays")
-    private HashMap<Integer, Boolean> mSelection = new HashMap<Integer, Boolean>();
-
-    public KeyListAdapter(Context context, Cursor c, int flags, int sectionColumnIndex) {
-        super(context, c, flags);
-
-        mInflater = LayoutInflater.from(context);
-        mSectionColumnIndex = sectionColumnIndex;
-        initIndex(c);
-    }
-
-    @Override
-    public Cursor swapCursor(Cursor newCursor) {
-        initIndex(newCursor);
-
-        return super.swapCursor(newCursor);
-    }
-
-    /**
-     * Get column indexes for performance reasons just once in constructor and swapCursor. For a
-     * performance comparison see http://stackoverflow.com/a/17999582
-     *
-     * @param cursor
-     */
-    private void initIndex(Cursor cursor) {
-        if (cursor != null) {
-            mIndexUserId = cursor.getColumnIndexOrThrow(KeychainContract.UserIds.USER_ID);
-            mIndexIsRevoked = cursor.getColumnIndexOrThrow(KeychainContract.Keys.IS_REVOKED);
-        }
-    }
-
-    /**
-     * Bind cursor data to the item list view
-     * <p/>
-     * NOTE: CursorAdapter already implements the ViewHolder pattern in its getView() method. Thus
-     * no ViewHolder is required here.
-     */
-    @Override
-    public void bindView(View view, Context context, Cursor cursor) {
-        TextView mainUserId = (TextView) view.findViewById(R.id.mainUserId);
-        TextView mainUserIdRest = (TextView) view.findViewById(R.id.mainUserIdRest);
-        TextView revoked = (TextView) view.findViewById(R.id.revoked);
-
-        String userId = cursor.getString(mIndexUserId);
-        String[] userIdSplit = PgpKeyHelper.splitUserId(userId);
-        if (userIdSplit[0] != null) {
-            mainUserId.setText(userIdSplit[0]);
-        } else {
-            mainUserId.setText(R.string.user_id_no_name);
-        }
-        if (userIdSplit[1] != null) {
-            mainUserIdRest.setText(userIdSplit[1]);
-            mainUserIdRest.setVisibility(View.VISIBLE);
-        } else {
-            mainUserIdRest.setVisibility(View.GONE);
-        }
-
-        boolean isRevoked = cursor.getInt(mIndexIsRevoked) > 0;
-        if (isRevoked) {
-            revoked.setVisibility(View.VISIBLE);
-        } else {
-            revoked.setVisibility(View.GONE);
-        }
-    }
-
-    @Override
-    public View newView(Context context, Cursor cursor, ViewGroup parent) {
-        return mInflater.inflate(R.layout.key_list_item, null);
-    }
-
-    /**
-     * Creates a new header view and binds the section headers to it. It uses the ViewHolder
-     * pattern. Most functionality is similar to getView() from Android's CursorAdapter.
-     * <p/>
-     * NOTE: The variables mDataValid and mCursor are available due to the super class
-     * CursorAdapter.
-     */
-    @Override
-    public View getHeaderView(int position, View convertView, ViewGroup parent) {
-        HeaderViewHolder holder;
-        if (convertView == null) {
-            holder = new HeaderViewHolder();
-            convertView = mInflater.inflate(R.layout.key_list_header, parent, false);
-            holder.text = (TextView) convertView.findViewById(R.id.stickylist_header_text);
-            convertView.setTag(holder);
-        } else {
-            holder = (HeaderViewHolder) convertView.getTag();
-        }
-
-        if (!mDataValid) {
-            // no data available at this point
-            Log.d(Constants.TAG, "getHeaderView: No data available at this point!");
-            return convertView;
-        }
-
-        if (!mCursor.moveToPosition(position)) {
-            throw new IllegalStateException("couldn't move cursor to position " + position);
-        }
-
-        // set header text as first char in user id
-        String userId = mCursor.getString(mSectionColumnIndex);
-        String headerText = convertView.getResources().getString(R.string.user_id_no_name);
-        if (userId != null && userId.length() > 0) {
-            headerText = "" + mCursor.getString(mSectionColumnIndex).subSequence(0, 1).charAt(0);
-        }
-        holder.text.setText(headerText);
-        return convertView;
-    }
-
-    /**
-     * Header IDs should be static, position=1 should always return the same Id that is.
-     */
-    @Override
-    public long getHeaderId(int position) {
-        if (!mDataValid) {
-            // no data available at this point
-            Log.d(Constants.TAG, "getHeaderView: No data available at this point!");
-            return -1;
-        }
-
-        if (!mCursor.moveToPosition(position)) {
-            throw new IllegalStateException("couldn't move cursor to position " + position);
-        }
-
-        // return the first character of the name as ID because this is what
-        // headers are based upon
-        String userId = mCursor.getString(mSectionColumnIndex);
-        if (userId != null && userId.length() > 0) {
-            return userId.subSequence(0, 1).charAt(0);
-        } else {
-            return Long.MAX_VALUE;
-        }
-    }
-
-    class HeaderViewHolder {
-        TextView text;
-    }
-
-    /**
-     * -------------------------- MULTI-SELECTION METHODS --------------
-     */
-    public void setNewSelection(int position, boolean value) {
-        mSelection.put(position, value);
-        notifyDataSetChanged();
-    }
-
-    public boolean isPositionChecked(int position) {
-        Boolean result = mSelection.get(position);
-        return result == null ? false : result;
-    }
-
-    public Set<Integer> getCurrentCheckedPosition() {
-        return mSelection.keySet();
-    }
-
-    public void removeSelection(int position) {
-        mSelection.remove(position);
-        notifyDataSetChanged();
-    }
-
-    public void clearSelection() {
-        mSelection.clear();
-        notifyDataSetChanged();
-    }
-
-    @Override
-    public View getView(int position, View convertView, ViewGroup parent) {
-        // let the adapter handle setting up the row views
-        View v = super.getView(position, convertView, parent);
-
-        /**
-         * Change color for multi-selection
-         */
-        // default color
-        v.setBackgroundColor(Color.TRANSPARENT);
-        if (mSelection.get(position) != null) {
-            // this is a selected position, change color!
-            v.setBackgroundColor(parent.getResources().getColor(R.color.emphasis));
-        }
-        return v;
-    }
-
-}