conversations-classic/src/eu/siacs/conversations/ui/XmppActivity.java

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Java
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package eu.siacs.conversations.ui;
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import java.io.FileNotFoundException;
import java.lang.ref.WeakReference;
import java.util.concurrent.RejectedExecutionException;
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import eu.siacs.conversations.Config;
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import eu.siacs.conversations.R;
import eu.siacs.conversations.entities.Account;
import eu.siacs.conversations.entities.Contact;
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import eu.siacs.conversations.entities.Conversation;
import eu.siacs.conversations.entities.Message;
import eu.siacs.conversations.entities.Presences;
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import eu.siacs.conversations.services.XmppConnectionService;
import eu.siacs.conversations.services.XmppConnectionService.XmppConnectionBinder;
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import eu.siacs.conversations.utils.ExceptionHelper;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.PendingIntent;
import android.app.AlertDialog.Builder;
import android.content.ComponentName;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.IntentSender.SendIntentException;
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import android.content.res.Resources;
import android.content.Intent;
import android.content.ServiceConnection;
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import android.graphics.Bitmap;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.net.Uri;
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import android.os.AsyncTask;
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import android.os.Bundle;
import android.os.IBinder;
import android.text.InputType;
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import android.util.DisplayMetrics;
import android.util.Log;
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import android.view.MenuItem;
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import android.view.View;
import android.view.inputmethod.InputMethodManager;
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import android.widget.EditText;
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import android.widget.ImageView;
public abstract class XmppActivity extends Activity {
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protected static final int REQUEST_ANNOUNCE_PGP = 0x0101;
protected static final int REQUEST_INVITE_TO_CONVERSATION = 0x0102;
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public XmppConnectionService xmppConnectionService;
public boolean xmppConnectionServiceBound = false;
protected boolean handledViewIntent = false;
protected int mPrimaryTextColor;
protected int mSecondaryTextColor;
protected int mWarningTextColor;
protected int mPrimaryColor;
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private DisplayMetrics metrics;
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protected interface OnValueEdited {
public void onValueEdited(String value);
}
public interface OnPresenceSelected {
public void onPresenceSelected();
}
protected ServiceConnection mConnection = new ServiceConnection() {
@Override
public void onServiceConnected(ComponentName className, IBinder service) {
XmppConnectionBinder binder = (XmppConnectionBinder) service;
xmppConnectionService = binder.getService();
xmppConnectionServiceBound = true;
onBackendConnected();
}
@Override
public void onServiceDisconnected(ComponentName arg0) {
xmppConnectionServiceBound = false;
}
};
@Override
protected void onStart() {
super.onStart();
if (!xmppConnectionServiceBound) {
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connectToBackend();
}
}
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public void connectToBackend() {
Intent intent = new Intent(this, XmppConnectionService.class);
intent.setAction("ui");
startService(intent);
bindService(intent, mConnection, Context.BIND_AUTO_CREATE);
}
@Override
protected void onStop() {
super.onStop();
if (xmppConnectionServiceBound) {
unbindService(mConnection);
xmppConnectionServiceBound = false;
}
}
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protected void hideKeyboard() {
InputMethodManager inputManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
View focus = getCurrentFocus();
if (focus != null) {
inputManager.hideSoftInputFromWindow(focus.getWindowToken(),
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InputMethodManager.HIDE_NOT_ALWAYS);
}
}
public boolean hasPgp() {
return xmppConnectionService.getPgpEngine() != null;
}
public void showInstallPgpDialog() {
Builder builder = new AlertDialog.Builder(this);
builder.setTitle(getString(R.string.openkeychain_required));
builder.setIconAttribute(android.R.attr.alertDialogIcon);
builder.setMessage(getText(R.string.openkeychain_required_long));
builder.setNegativeButton(getString(R.string.cancel), null);
builder.setNeutralButton(getString(R.string.restart),
new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
if (xmppConnectionServiceBound) {
unbindService(mConnection);
xmppConnectionServiceBound = false;
}
stopService(new Intent(XmppActivity.this,
XmppConnectionService.class));
finish();
}
});
builder.setPositiveButton(getString(R.string.install),
new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Uri uri = Uri
.parse("market://details?id=org.sufficientlysecure.keychain");
Intent intent = new Intent(Intent.ACTION_VIEW, uri);
startActivity(intent);
finish();
}
});
builder.create().show();
}
abstract void onBackendConnected();
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public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.action_settings:
startActivity(new Intent(this, SettingsActivity.class));
break;
case R.id.action_accounts:
startActivity(new Intent(this, ManageAccountActivity.class));
break;
case android.R.id.home:
finish();
break;
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}
return super.onOptionsItemSelected(item);
}
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@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
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metrics = getResources().getDisplayMetrics();
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ExceptionHelper.init(getApplicationContext());
mPrimaryTextColor = getResources().getColor(R.color.primarytext);
mSecondaryTextColor = getResources().getColor(R.color.secondarytext);
mWarningTextColor = getResources().getColor(R.color.warningtext);
mPrimaryColor = getResources().getColor(R.color.primary);
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}
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public void switchToConversation(Conversation conversation) {
switchToConversation(conversation, null, false);
}
public void switchToConversation(Conversation conversation, String text,
boolean newTask) {
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Intent viewConversationIntent = new Intent(this,
ConversationActivity.class);
viewConversationIntent.setAction(Intent.ACTION_VIEW);
viewConversationIntent.putExtra(ConversationActivity.CONVERSATION,
conversation.getUuid());
if (text != null) {
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viewConversationIntent.putExtra(ConversationActivity.TEXT, text);
}
viewConversationIntent.setType(ConversationActivity.VIEW_CONVERSATION);
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if (newTask) {
viewConversationIntent.setFlags(viewConversationIntent.getFlags()
| Intent.FLAG_ACTIVITY_NEW_TASK
| Intent.FLAG_ACTIVITY_SINGLE_TOP);
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} else {
viewConversationIntent.setFlags(viewConversationIntent.getFlags()
| Intent.FLAG_ACTIVITY_CLEAR_TOP);
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}
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startActivity(viewConversationIntent);
}
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public void switchToContactDetails(Contact contact) {
Intent intent = new Intent(this, ContactDetailsActivity.class);
intent.setAction(ContactDetailsActivity.ACTION_VIEW_CONTACT);
intent.putExtra("account", contact.getAccount().getJid());
intent.putExtra("contact", contact.getJid());
startActivity(intent);
}
protected void inviteToConversation(Conversation conversation) {
Intent intent = new Intent(getApplicationContext(),
ChooseContactActivity.class);
intent.putExtra("conversation", conversation.getUuid());
startActivityForResult(intent, REQUEST_INVITE_TO_CONVERSATION);
}
protected void announcePgp(Account account, final Conversation conversation) {
xmppConnectionService.getPgpEngine().generateSignature(account,
"online", new UiCallback<Account>() {
@Override
public void userInputRequried(PendingIntent pi,
Account account) {
try {
startIntentSenderForResult(pi.getIntentSender(),
REQUEST_ANNOUNCE_PGP, null, 0, 0, 0);
} catch (SendIntentException e) {
}
}
@Override
public void success(Account account) {
xmppConnectionService.databaseBackend
.updateAccount(account);
xmppConnectionService.sendPresencePacket(account,
xmppConnectionService.getPresenceGenerator()
.sendPresence(account));
if (conversation != null) {
conversation
.setNextEncryption(Message.ENCRYPTION_PGP);
}
}
@Override
public void error(int error, Account account) {
displayErrorDialog(error);
}
});
}
protected void displayErrorDialog(final int errorCode) {
runOnUiThread(new Runnable() {
@Override
public void run() {
AlertDialog.Builder builder = new AlertDialog.Builder(
XmppActivity.this);
builder.setIconAttribute(android.R.attr.alertDialogIcon);
builder.setTitle(getString(R.string.error));
builder.setMessage(errorCode);
builder.setNeutralButton(R.string.accept, null);
builder.create().show();
}
});
}
protected void showAddToRosterDialog(final Conversation conversation) {
String jid = conversation.getContactJid();
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle(jid);
builder.setMessage(getString(R.string.not_in_roster));
builder.setNegativeButton(getString(R.string.cancel), null);
builder.setPositiveButton(getString(R.string.add_contact),
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
String jid = conversation.getContactJid();
Account account = conversation.getAccount();
Contact contact = account.getRoster().getContact(jid);
xmppConnectionService.createContact(contact);
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switchToContactDetails(contact);
}
});
builder.create().show();
}
protected void quickEdit(String previousValue, OnValueEdited callback) {
quickEdit(previousValue, callback, false);
}
protected void quickPasswordEdit(String previousValue,
OnValueEdited callback) {
quickEdit(previousValue, callback, true);
}
private void quickEdit(final String previousValue,
final OnValueEdited callback, boolean password) {
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AlertDialog.Builder builder = new AlertDialog.Builder(this);
View view = (View) getLayoutInflater()
.inflate(R.layout.quickedit, null);
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final EditText editor = (EditText) view.findViewById(R.id.editor);
OnClickListener mClickListener = new OnClickListener() {
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@Override
public void onClick(DialogInterface dialog, int which) {
String value = editor.getText().toString();
if (!previousValue.equals(value) && value.trim().length() > 0) {
callback.onValueEdited(value);
}
}
};
if (password) {
editor.setInputType(InputType.TYPE_CLASS_TEXT
| InputType.TYPE_TEXT_VARIATION_PASSWORD);
editor.setHint(R.string.password);
builder.setPositiveButton(R.string.accept, mClickListener);
} else {
builder.setPositiveButton(R.string.edit, mClickListener);
}
editor.requestFocus();
editor.setText(previousValue);
builder.setView(view);
builder.setNegativeButton(R.string.cancel, null);
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builder.create().show();
}
public void selectPresence(final Conversation conversation,
final OnPresenceSelected listener) {
Contact contact = conversation.getContact();
if (!contact.showInRoster()) {
showAddToRosterDialog(conversation);
} else {
Presences presences = contact.getPresences();
if (presences.size() == 0) {
conversation.setNextPresence(null);
listener.onPresenceSelected();
} else if (presences.size() == 1) {
String presence = (String) presences.asStringArray()[0];
conversation.setNextPresence(presence);
listener.onPresenceSelected();
} else {
final StringBuilder presence = new StringBuilder();
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle(getString(R.string.choose_presence));
final String[] presencesArray = presences.asStringArray();
int preselectedPresence = 0;
for (int i = 0; i < presencesArray.length; ++i) {
if (presencesArray[i].equals(contact.lastseen.presence)) {
preselectedPresence = i;
break;
}
}
presence.append(presencesArray[preselectedPresence]);
builder.setSingleChoiceItems(presencesArray,
preselectedPresence,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog,
int which) {
presence.delete(0, presence.length());
presence.append(presencesArray[which]);
}
});
builder.setNegativeButton(R.string.cancel, null);
builder.setPositiveButton(R.string.ok, new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
conversation.setNextPresence(presence.toString());
listener.onPresenceSelected();
}
});
builder.create().show();
}
}
}
protected void onActivityResult(int requestCode, int resultCode,
final Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == REQUEST_INVITE_TO_CONVERSATION
&& resultCode == RESULT_OK) {
String contactJid = data.getStringExtra("contact");
String conversationUuid = data.getStringExtra("conversation");
Conversation conversation = xmppConnectionService
.findConversationByUuid(conversationUuid);
if (conversation.getMode() == Conversation.MODE_MULTI) {
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xmppConnectionService.invite(conversation, contactJid);
}
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Log.d(Config.LOGTAG, "inviting " + contactJid + " to "
+ conversation.getName());
}
}
public int getSecondaryTextColor() {
return this.mSecondaryTextColor;
}
public int getPrimaryTextColor() {
return this.mPrimaryTextColor;
}
public int getWarningTextColor() {
return this.mWarningTextColor;
}
public int getPrimaryColor() {
return this.mPrimaryColor;
}
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class BitmapWorkerTask extends AsyncTask<Message, Void, Bitmap> {
private final WeakReference<ImageView> imageViewReference;
private Message message = null;
public BitmapWorkerTask(ImageView imageView) {
imageViewReference = new WeakReference<ImageView>(imageView);
}
@Override
protected Bitmap doInBackground(Message... params) {
message = params[0];
try {
return xmppConnectionService.getFileBackend().getThumbnail(
message, (int) (metrics.density * 288), false);
} catch (FileNotFoundException e) {
return null;
}
}
@Override
protected void onPostExecute(Bitmap bitmap) {
if (imageViewReference != null && bitmap != null) {
final ImageView imageView = imageViewReference.get();
if (imageView != null) {
imageView.setImageBitmap(bitmap);
imageView.setBackgroundColor(0x00000000);
}
}
}
}
public void loadBitmap(Message message, ImageView imageView) {
Bitmap bm;
try {
bm = xmppConnectionService.getFileBackend().getThumbnail(message,
(int) (metrics.density * 288), true);
} catch (FileNotFoundException e) {
bm = null;
}
if (bm != null) {
imageView.setImageBitmap(bm);
imageView.setBackgroundColor(0x00000000);
} else {
if (cancelPotentialWork(message, imageView)) {
imageView.setBackgroundColor(0xff333333);
final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
final AsyncDrawable asyncDrawable = new AsyncDrawable(
getResources(), null, task);
imageView.setImageDrawable(asyncDrawable);
try {
task.execute(message);
} catch (RejectedExecutionException e) {
return;
}
}
}
}
public static boolean cancelPotentialWork(Message message,
ImageView imageView) {
final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
if (bitmapWorkerTask != null) {
final Message oldMessage = bitmapWorkerTask.message;
if (oldMessage == null || message != oldMessage) {
bitmapWorkerTask.cancel(true);
} else {
return false;
}
}
return true;
}
private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
if (imageView != null) {
final Drawable drawable = imageView.getDrawable();
if (drawable instanceof AsyncDrawable) {
final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
return asyncDrawable.getBitmapWorkerTask();
}
}
return null;
}
static class AsyncDrawable extends BitmapDrawable {
private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
public AsyncDrawable(Resources res, Bitmap bitmap,
BitmapWorkerTask bitmapWorkerTask) {
super(res, bitmap);
bitmapWorkerTaskReference = new WeakReference<BitmapWorkerTask>(
bitmapWorkerTask);
}
public BitmapWorkerTask getBitmapWorkerTask() {
return bitmapWorkerTaskReference.get();
}
}
}