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package org.sufficientlysecure.keychain.ui.widget;
import android.content.Context;
import android.database.Cursor;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.Loader;
import android.support.v4.widget.CursorAdapter;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.Spinner;
import android.widget.SpinnerAdapter;
import android.widget.TextView;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.pgp.KeyRing;
import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
import org.sufficientlysecure.keychain.provider.KeychainContract;
import org.sufficientlysecure.keychain.util.Log;
public abstract class KeySpinner extends Spinner {
private long mSelectedKeyId;
private SelectKeyAdapter mAdapter = new SelectKeyAdapter();
public KeySpinner(Context context) {
super(context);
}
public KeySpinner(Context context, AttributeSet attrs) {
super(context, attrs);
}
public KeySpinner(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
public abstract Loader<Cursor> onCreateLoader();
@Override
protected void onAttachedToWindow() {
super.onAttachedToWindow();
setAdapter(mAdapter);
if (getContext() instanceof FragmentActivity) {
((FragmentActivity) getContext()).getSupportLoaderManager().initLoader(hashCode(), null, new LoaderManager.LoaderCallbacks<Cursor>() {
@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
return KeySpinner.this.onCreateLoader();
}
@Override
public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
mAdapter.swapCursor(data);
}
@Override
public void onLoaderReset(Loader<Cursor> loader) {
mAdapter.swapCursor(null);
}
});
} else {
Log.e(Constants.TAG, "KeySpinner must be attached to FragmentActivity, this is " + getContext().getClass());
}
}
public long getSelectedKeyId() {
return mSelectedKeyId;
}
public void setSelectedKeyId(long selectedKeyId) {
this.mSelectedKeyId = selectedKeyId;
}
private class SelectKeyAdapter extends BaseAdapter implements SpinnerAdapter {
private CursorAdapter inner;
private int mIndexUserId;
private int mIndexKeyId;
private int mIndexMasterKeyId;
public SelectKeyAdapter() {
inner = new CursorAdapter(null, null, 0) {
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
return View.inflate(getContext(), R.layout.keyspinner_key, null);
}
@Override
public void bindView(View view, Context context, Cursor cursor) {
String[] userId = KeyRing.splitUserId(cursor.getString(mIndexUserId));
((TextView) view.findViewById(android.R.id.title)).setText(userId[2] == null ? userId[0] : (userId[0] + " (" + userId[2] + ")"));
((TextView) view.findViewById(android.R.id.text1)).setText(userId[1]);
((TextView) view.findViewById(android.R.id.text2)).setText(PgpKeyHelper.convertKeyIdToHex(cursor.getLong(mIndexKeyId)));
}
@Override
public long getItemId(int position) {
mCursor.moveToPosition(position);
return mCursor.getLong(mIndexMasterKeyId);
}
};
}
public Cursor swapCursor(Cursor newCursor) {
if (newCursor == null) return inner.swapCursor(null);
mIndexKeyId = newCursor.getColumnIndex(KeychainContract.KeyRings.KEY_ID);
mIndexUserId = newCursor.getColumnIndex(KeychainContract.KeyRings.USER_ID);
mIndexMasterKeyId = newCursor.getColumnIndex(KeychainContract.KeyRings.MASTER_KEY_ID);
if (newCursor.moveToFirst()) {
do {
if (newCursor.getLong(mIndexMasterKeyId) == mSelectedKeyId) {
setSelection(newCursor.getPosition() + 1);
}
} while (newCursor.moveToNext());
}
return inner.swapCursor(newCursor);
}
@Override
public int getCount() {
return inner.getCount() + 1;
}
@Override
public Object getItem(int position) {
if (position == 0) return null;
return inner.getItem(position - 1);
}
@Override
public long getItemId(int position) {
if (position == 0) return Constants.key.none;
return inner.getItemId(position - 1);
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
try {
View v = getDropDownView(position, convertView, parent);
v.findViewById(android.R.id.text1).setVisibility(View.GONE);
return v;
} catch (NullPointerException e) {
// This is for the preview...
return View.inflate(getContext(), android.R.layout.simple_list_item_1, null);
}
}
@Override
public View getDropDownView(int position, View convertView, ViewGroup parent) {
View v;
if (position == 0) {
if (convertView == null) {
v = inner.newView(null, null, parent);
} else {
v = convertView;
}
((TextView) v.findViewById(android.R.id.title)).setText("None");
v.findViewById(android.R.id.text1).setVisibility(View.GONE);
v.findViewById(android.R.id.text2).setVisibility(View.GONE);
} else {
v = inner.getView(position - 1, convertView, parent);
v.findViewById(android.R.id.text1).setVisibility(View.VISIBLE);
v.findViewById(android.R.id.text2).setVisibility(View.VISIBLE);
}
return v;
}
}
}
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