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/*
* Copyright (C) 2014 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.linked;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentTransaction;
import android.support.v4.app.NavUtils;
import android.support.v4.app.TaskStackBuilder;
import android.view.MenuItem;
import android.view.View;
import android.view.inputmethod.InputMethodManager;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.pgp.exception.PgpKeyNotFoundException;
import org.sufficientlysecure.keychain.provider.CachedPublicKeyRing;
import org.sufficientlysecure.keychain.provider.KeychainContract;
import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
import org.sufficientlysecure.keychain.provider.ProviderHelper;
import org.sufficientlysecure.keychain.ui.base.BaseActivity;
import org.sufficientlysecure.keychain.util.Log;
public class LinkedIdWizard extends BaseActivity {
public static final int FRAG_ACTION_START = 0;
public static final int FRAG_ACTION_TO_RIGHT = 1;
public static final int FRAG_ACTION_TO_LEFT = 2;
long mMasterKeyId;
byte[] mFingerprint;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setTitle(getString(R.string.title_linked_id_create));
try {
Uri uri = getIntent().getData();
uri = KeychainContract.KeyRings.buildUnifiedKeyRingUri(uri);
CachedPublicKeyRing ring = new ProviderHelper(this).getCachedPublicKeyRing(uri);
if (!ring.hasAnySecret()) {
Log.e(Constants.TAG, "Linked Identities can only be added to secret keys!");
finish();
return;
}
mMasterKeyId = ring.extractOrGetMasterKeyId();
mFingerprint = ring.getFingerprint();
} catch (PgpKeyNotFoundException e) {
Log.e(Constants.TAG, "Invalid uri given, key does not exist!");
finish();
return;
}
// pass extras into fragment
LinkedIdSelectFragment frag = LinkedIdSelectFragment.newInstance();
loadFragment(null, frag, FRAG_ACTION_START);
}
@Override
protected void initLayout() {
setContentView(R.layout.create_key_activity);
}
public void loadFragment(Bundle savedInstanceState, Fragment fragment, int action) {
// However, if we're being restored from a previous state,
// then we don't need to do anything and should return or else
// we could end up with overlapping fragments.
if (savedInstanceState != null) {
return;
}
hideKeyboard();
// Add the fragment to the 'fragment_container' FrameLayout
// NOTE: We use commitAllowingStateLoss() to prevent weird crashes!
FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
switch (action) {
case FRAG_ACTION_START:
transaction.setCustomAnimations(0, 0);
transaction.replace(R.id.create_key_fragment_container, fragment)
.commitAllowingStateLoss();
break;
case FRAG_ACTION_TO_LEFT:
getSupportFragmentManager().popBackStackImmediate();
break;
case FRAG_ACTION_TO_RIGHT:
transaction.setCustomAnimations(R.anim.frag_slide_in_from_right, R.anim.frag_slide_out_to_left,
R.anim.frag_slide_in_from_left, R.anim.frag_slide_out_to_right);
transaction.addToBackStack(null);
transaction.replace(R.id.create_key_fragment_container, fragment)
.commitAllowingStateLoss();
break;
}
// do it immediately!
getSupportFragmentManager().executePendingTransactions();
}
private void hideKeyboard() {
InputMethodManager inputManager = (InputMethodManager)
getSystemService(Context.INPUT_METHOD_SERVICE);
// check if no view has focus
View v = getCurrentFocus();
if (v == null)
return;
inputManager.hideSoftInputFromWindow(v.getWindowToken(), 0);
}
@Override
public void onBackPressed() {
if (!getFragmentManager().popBackStackImmediate()) {
navigateBack();
}
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
// Respond to the action bar's Up/Home button
case android.R.id.home:
navigateBack();
return true;
}
return super.onOptionsItemSelected(item);
}
private void navigateBack() {
Intent upIntent = NavUtils.getParentActivityIntent(this);
upIntent.setData(KeyRings.buildGenericKeyRingUri(mMasterKeyId));
// This activity is NOT part of this app's task, so create a new task
// when navigating up, with a synthesized back stack.
TaskStackBuilder.create(this)
// Add all of this activity's parents to the back stack
.addNextIntentWithParentStack(upIntent)
// Navigate up to the closest parent
.startActivities();
}
}
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