/*
* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
* Copyright (C) 2014 Vincent Breitmoser <v.breitmoser@mugenguild.com>
*
* 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;
import java.io.IOException;
import java.util.List;
import android.Manifest;
import android.annotation.TargetApi;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Build;
import android.os.Build.VERSION_CODES;
import android.os.Bundle;
import android.os.Handler;
import android.provider.ContactsContract;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.ContextCompat;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.support.v7.widget.CardView;
import android.transition.Fade;
import android.transition.Transition;
import android.transition.TransitionInflater;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewTreeObserver.OnPreDrawListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.TextView;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.compatibility.DialogFragmentWorkaround;
import org.sufficientlysecure.keychain.operations.results.OperationResult;
import org.sufficientlysecure.keychain.provider.KeychainContract;
import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
import org.sufficientlysecure.keychain.ui.adapter.LinkedIdsAdapter;
import org.sufficientlysecure.keychain.ui.adapter.UserIdsAdapter;
import org.sufficientlysecure.keychain.ui.base.LoaderFragment;
import org.sufficientlysecure.keychain.ui.dialog.UserIdInfoDialogFragment;
import org.sufficientlysecure.keychain.ui.linked.LinkedIdViewFragment;
import org.sufficientlysecure.keychain.ui.linked.LinkedIdViewFragment.OnIdentityLoadedListener;
import org.sufficientlysecure.keychain.ui.linked.LinkedIdWizard;
import org.sufficientlysecure.keychain.ui.widget.KeyHealthPresenter;
import org.sufficientlysecure.keychain.ui.widget.KeyHealthCardView;
import org.sufficientlysecure.keychain.util.ContactHelper;
import org.sufficientlysecure.keychain.util.Log;
public class ViewKeyFragment extends LoaderFragment implements
LoaderManager.LoaderCallbacks<Cursor> {
public static final String ARG_MASTER_KEY_ID = "master_key_id";
public static final String ARG_IS_SECRET = "is_secret";
public static final String ARG_POSTPONE_TYPE = "postpone_type";
private ListView mUserIds;
enum PostponeType {
NONE, LINKED
}
boolean mIsSecret = false;
private static final int LOADER_ID_USER_IDS = 1;
private static final int LOADER_ID_LINKED_IDS = 2;
private static final int LOADER_ID_LINKED_CONTACT = 3;
private static final int LOADER_ID_SUBKEY_STATUS = 4;
private UserIdsAdapter mUserIdsAdapter;
private LinkedIdsAdapter mLinkedIdsAdapter;
private Uri mDataUri;
private PostponeType mPostponeType;
private CardView mSystemContactCard;
private LinearLayout mSystemContactLayout;
private ImageView mSystemContactPicture;
private TextView mSystemContactName;
private ListView mLinkedIds;
private CardView mLinkedIdsCard;
private TextView mLinkedIdsEmpty;
private byte[] mFingerprint;
private TextView mLinkedIdsExpander;
KeyHealthCardView mKeyHealthCard;
KeyHealthPresenter mKeyHealthPresenter;
private long mMasterKeyId;
/**
* Creates new instance of this fragment
*/
public static ViewKeyFragment newInstance(long masterKeyId, boolean isSecret, PostponeType postponeType) {
ViewKeyFragment frag = new ViewKeyFragment();
Bundle args = new Bundle();
args.putLong(ARG_MASTER_KEY_ID, masterKeyId);
args.putBoolean(ARG_IS_SECRET, isSecret);
args.putString(ARG_POSTPONE_TYPE, postponeType.toString());
frag.setArguments(args);
return frag;
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup superContainer, Bundle savedInstanceState) {
View root = super.onCreateView(inflater, superContainer, savedInstanceState);
View view = inflater.inflate(R.layout.view_key_fragment, getContainer());
mUserIds = (ListView) view.findViewById(R.id.view_key_user_ids);
Button userIdsEditButton = (Button) view.findViewById(R.id.view_key_card_user_ids_edit);
mLinkedIdsCard = (CardView) view.findViewById(R.id.card_linked_ids);
mLinkedIds = (ListView) view.findViewById(R.id.view_key_linked_ids);
mLinkedIdsExpander = (TextView) view.findViewById(R.id.view_key_linked_ids_expander);
mLinkedIdsEmpty = (TextView) view.findViewById(R.id.view_key_linked_ids_empty);
Button linkedIdsAddButton = (Button) view.findViewById(R.id.view_key_card_linked_ids_add);
mSystemContactCard = (CardView) view.findViewById(R.id.linked_system_contact_card);
mSystemContactLayout = (LinearLayout) view.findViewById(R.id.system_contact_layout);
mSystemContactName = (TextView) view.findViewById(R.id.system_contact_name);
mSystemContactPicture = (ImageView) view.findViewById(R.id.system_contact_picture);
userIdsEditButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
editIdentities(mDataUri);
}
});
linkedIdsAddButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
addLinkedIdentity(mDataUri);
}
});
mUserIds.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
showUserIdInfo(position);
}
});
mLinkedIds.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
showLinkedId(position);
}
});
mKeyHealthCard = (KeyHealthCardView) view.findViewById(R.id.subkey_status_card);
return root;
}
private void editIdentities(Uri dataUri) {
Intent editIntent = new Intent(getActivity(), EditIdentitiesActivity.class);
editIntent.setData(KeychainContract.KeyRingData.buildSecretKeyRingUri(dataUri));
startActivityForResult(editIntent, 0);
}
private void addLinkedIdentity(Uri dataUri) {
Intent intent = new Intent(getActivity(), LinkedIdWizard.class);
intent.setData(dataUri);
startActivity(intent);
getActivity().finish();
}
private void showLinkedId(final int position) {
final LinkedIdViewFragment frag;
try {
frag = mLinkedIdsAdapter.getLinkedIdFragment(mDataUri, position, mFingerprint);
} catch (IOException e) {
Log.e(Constants.TAG, "IOException", e);
return;
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
Transition trans = TransitionInflater.from(getActivity())
.inflateTransition(R.transition.linked_id_card_trans);
// setSharedElementReturnTransition(trans);
setExitTransition(new Fade());
frag.setSharedElementEnterTransition(trans);
}
getFragmentManager().beginTransaction()
.add(R.id.view_key_fragment, frag)
.hide(frag)
.commit();
frag.setOnIdentityLoadedListener(new OnIdentityLoadedListener() {
@Override
public void onIdentityLoaded() {
new Handler().post(new Runnable() {
@Override
public void run() {
getFragmentManager().beginTransaction()
.show(frag)
.addSharedElement(mLinkedIdsCard, "card_linked_ids")
.remove(ViewKeyFragment.this)
.addToBackStack("linked_id")
.commit();
}
});
}
});
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
mMasterKeyId = getArguments().getLong(ARG_MASTER_KEY_ID);
mDataUri = KeyRings.buildGenericKeyRingUri(mMasterKeyId);
mIsSecret = getArguments().getBoolean(ARG_IS_SECRET);
mPostponeType = PostponeType.valueOf(getArguments().getString(ARG_POSTPONE_TYPE));
// load user ids after we know if it's a secret key
mUserIdsAdapter = new UserIdsAdapter(getActivity(), null, 0, !mIsSecret, null);
mUserIds.setAdapter(mUserIdsAdapter);
// initialize loaders, which will take care of auto-refresh on change
getLoaderManager().initLoader(LOADER_ID_USER_IDS, null, this);
initLinkedContactLoader();
initCardButtonsVisibility(mIsSecret);
mKeyHealthPresenter = new KeyHealthPresenter(
getContext(), mKeyHealthCard, LOADER_ID_SUBKEY_STATUS, mMasterKeyId, mIsSecret);
mKeyHealthPresenter.startLoader(getLoaderManager());
}
private void showUserIdInfo(final int position) {
if (!mIsSecret) {
final boolean isRevoked = mUserIdsAdapter.getIsRevoked(position);
final int isVerified = mUserIdsAdapter.getIsVerified(position);
DialogFragmentWorkaround.INTERFACE.runnableRunDelayed(new Runnable() {
public void run() {
UserIdInfoDialogFragment dialogFragment =
UserIdInfoDialogFragment.newInstance(isRevoked, isVerified);
dialogFragment.show(getActivity().getSupportFragmentManager(), "userIdInfoDialog");
}
});
}
}
/**
* Hides card if no linked system contact exists. Sets name, picture
* and onClickListener for the linked system contact's layout.
* In the case of a secret key, "me" (own profile) contact details are loaded.
*/
private void loadLinkedSystemContact(final long contactId) {
// contact doesn't exist, stop
if (contactId == -1) {
return;
}
final Context context = mSystemContactName.getContext();
ContactHelper contactHelper = new ContactHelper(context);
String contactName = null;
if (mIsSecret) {//all secret keys are linked to "me" profile in contacts
List<String> mainProfileNames = contactHelper.getMainProfileContactName();
if (mainProfileNames != null && mainProfileNames.size() > 0) {
contactName = mainProfileNames.get(0);
}
} else {
contactName = contactHelper.getContactName(contactId);
}
if (contactName != null) { //contact name exists for given master key
showLinkedSystemContact();
mSystemContactName.setText(contactName);
Bitmap picture;
if (mIsSecret) {
picture = contactHelper.loadMainProfilePhoto(false);
} else {
picture = contactHelper.loadPhotoByContactId(contactId, false);
}
if (picture != null) mSystemContactPicture.setImageBitmap(picture);
mSystemContactLayout.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
launchContactActivity(contactId, context);
}
});
} else {
hideLinkedSystemContact();
}
}
private void hideLinkedSystemContact() {
mSystemContactCard.setVisibility(View.GONE);
}
private void showLinkedSystemContact() {
mSystemContactCard.setVisibility(View.VISIBLE);
}
/**
* launches the default android Contacts app to view a contact with the passed
* contactId (CONTACT_ID column from ContactsContract.RawContact table which is _ID column in
* ContactsContract.Contact table)
*
* @param contactId _ID for row in ContactsContract.Contacts table
*/
private void launchContactActivity(final long contactId, Context context) {
Intent intent = new Intent(Intent.ACTION_VIEW);
Uri uri = Uri.withAppendedPath(ContactsContract.Contacts.CONTENT_URI, String.valueOf(contactId));
intent.setData(uri);
context.startActivity(intent);
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
// if a result has been returned, display a notify
if (data != null && data.hasExtra(OperationResult.EXTRA_RESULT)) {
OperationResult result = data.getParcelableExtra(OperationResult.EXTRA_RESULT);
result.createNotify(getActivity()).show();
} else {
super.onActivityResult(requestCode, resultCode, data);
}
}
private static final String[] RAW_CONTACT_PROJECTION = {
ContactsContract.RawContacts.CONTACT_ID
};
private static final int INDEX_CONTACT_ID = 0;
@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
switch (id) {
case LOADER_ID_USER_IDS: {
return UserIdsAdapter.createLoader(getActivity(), mDataUri);
}
case LOADER_ID_LINKED_IDS: {
return LinkedIdsAdapter.createLoader(getActivity(), mDataUri);
}
case LOADER_ID_LINKED_CONTACT: {
// we need a separate loader for linked contact
// to ensure refreshing on verification
Uri baseUri = mIsSecret ? ContactsContract.Profile.CONTENT_RAW_CONTACTS_URI :
ContactsContract.RawContacts.CONTENT_URI;
return new CursorLoader(
getActivity(),
baseUri,
RAW_CONTACT_PROJECTION,
ContactsContract.RawContacts.ACCOUNT_TYPE + "=? AND " +
ContactsContract.RawContacts.SOURCE_ID + "=? AND " +
ContactsContract.RawContacts.DELETED + "=?",
new String[]{
Constants.ACCOUNT_TYPE,
Long.toString(mMasterKeyId),
"0" // "0" for "not deleted"
},
null);
}
case LOADER_ID_SUBKEY_STATUS: {
throw new IllegalStateException("This callback should never end up here!");
}
default:
return null;
}
}
@Override
public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
/* TODO better error handling? May cause problems when a key is deleted,
* because the notification triggers faster than the activity closes.
*/
if (data == null) {
return;
}
// Swap the new cursor in. (The framework will take care of closing the
// old cursor once we return.)
switch (loader.getId()) {
case LOADER_ID_USER_IDS: {
setContentShown(true, false);
mUserIdsAdapter.swapCursor(data);
break;
}
case LOADER_ID_LINKED_IDS: {
mLinkedIdsAdapter.swapCursor(data);
if (mIsSecret) {
mLinkedIdsCard.setVisibility(View.VISIBLE);
mLinkedIdsEmpty.setVisibility(mLinkedIdsAdapter.getCount() > 0 ? View.GONE : View.VISIBLE);
} else {
mLinkedIdsCard.setVisibility(mLinkedIdsAdapter.getCount() > 0 ? View.VISIBLE : View.GONE);
mLinkedIdsEmpty.setVisibility(View.GONE);
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP && mPostponeType == PostponeType.LINKED) {
mLinkedIdsCard.getViewTreeObserver().addOnPreDrawListener(new OnPreDrawListener() {
@TargetApi(VERSION_CODES.LOLLIPOP)
@Override
public boolean onPreDraw() {
mLinkedIdsCard.getViewTreeObserver().removeOnPreDrawListener(this);
getActivity().startPostponedEnterTransition();
return true;
}
});
}
break;
}
case LOADER_ID_LINKED_CONTACT: {
if (data.moveToFirst()) { // if we have a linked contact
long contactId = data.getLong(INDEX_CONTACT_ID);
loadLinkedSystemContact(contactId);
}
break;
}
case LOADER_ID_SUBKEY_STATUS: {
throw new IllegalStateException("This callback should never end up here!");
}
}
}
private void initLinkedContactLoader() {
if (ContextCompat.checkSelfPermission(getActivity(), Manifest.permission.READ_CONTACTS)
== PackageManager.PERMISSION_DENIED) {
Log.w(Constants.TAG, "loading linked system contact not possible READ_CONTACTS permission denied!");
hideLinkedSystemContact();
return;
}
Bundle linkedContactData = new Bundle();
// initialises loader for contact query so we can listen to any updates
getLoaderManager().initLoader(LOADER_ID_LINKED_CONTACT, linkedContactData, this);
}
private void initCardButtonsVisibility(boolean isSecret) {
LinearLayout buttonsUserIdsLayout =
(LinearLayout) getActivity().findViewById(R.id.view_key_card_user_ids_buttons);
LinearLayout buttonsLinkedIdsLayout =
(LinearLayout) getActivity().findViewById(R.id.view_key_card_linked_ids_buttons);
if (isSecret) {
buttonsUserIdsLayout.setVisibility(View.VISIBLE);
buttonsLinkedIdsLayout.setVisibility(View.VISIBLE);
} else {
buttonsUserIdsLayout.setVisibility(View.GONE);
buttonsLinkedIdsLayout.setVisibility(View.GONE);
}
}
/**
* This is called when the last Cursor provided to onLoadFinished() above is about to be closed.
* We need to make sure we are no longer using it.
*/
@Override
public void onLoaderReset(Loader<Cursor> loader) {
switch (loader.getId()) {
case LOADER_ID_USER_IDS: {
mUserIdsAdapter.swapCursor(null);
break;
}
case LOADER_ID_LINKED_IDS: {
mLinkedIdsAdapter.swapCursor(null);
break;
}
case LOADER_ID_SUBKEY_STATUS:
mKeyHealthPresenter.onLoaderReset(loader);
break;
}
}
public boolean isValidForData(boolean isSecret) {
return isSecret == mIsSecret;
}
}