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-rw-r--r--src/main/java/de/pixart/messenger/ui/XmppActivity.java1389
1 files changed, 1389 insertions, 0 deletions
diff --git a/src/main/java/de/pixart/messenger/ui/XmppActivity.java b/src/main/java/de/pixart/messenger/ui/XmppActivity.java
new file mode 100644
index 000000000..8f6192d04
--- /dev/null
+++ b/src/main/java/de/pixart/messenger/ui/XmppActivity.java
@@ -0,0 +1,1389 @@
+package de.pixart.messenger.ui;
+
+import android.Manifest;
+import android.annotation.SuppressLint;
+import android.annotation.TargetApi;
+import android.app.ActionBar;
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.AlertDialog.Builder;
+import android.app.PendingIntent;
+import android.content.ActivityNotFoundException;
+import android.content.ClipData;
+import android.content.ClipboardManager;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.DialogInterface.OnClickListener;
+import android.content.Intent;
+import android.content.IntentSender.SendIntentException;
+import android.content.ServiceConnection;
+import android.content.SharedPreferences;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.content.res.Resources;
+import android.graphics.Bitmap;
+import android.graphics.Color;
+import android.graphics.Point;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.Drawable;
+import android.net.Uri;
+import android.nfc.NdefMessage;
+import android.nfc.NdefRecord;
+import android.nfc.NfcAdapter;
+import android.nfc.NfcEvent;
+import android.os.AsyncTask;
+import android.os.Build;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.IBinder;
+import android.os.PowerManager;
+import android.os.SystemClock;
+import android.preference.PreferenceManager;
+import android.text.InputType;
+import android.util.DisplayMetrics;
+import android.util.Log;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.inputmethod.InputMethodManager;
+import android.widget.CompoundButton;
+import android.widget.EditText;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.google.zxing.BarcodeFormat;
+import com.google.zxing.EncodeHintType;
+import com.google.zxing.WriterException;
+import com.google.zxing.common.BitMatrix;
+import com.google.zxing.qrcode.QRCodeWriter;
+import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
+
+import net.java.otr4j.session.SessionID;
+
+import java.io.FileNotFoundException;
+import java.lang.ref.WeakReference;
+import java.util.ArrayList;
+import java.util.Hashtable;
+import java.util.List;
+import java.util.concurrent.RejectedExecutionException;
+
+import de.pixart.messenger.Config;
+import de.pixart.messenger.R;
+import de.pixart.messenger.crypto.axolotl.XmppAxolotlSession;
+import de.pixart.messenger.entities.Account;
+import de.pixart.messenger.entities.Contact;
+import de.pixart.messenger.entities.Conversation;
+import de.pixart.messenger.entities.Message;
+import de.pixart.messenger.entities.MucOptions;
+import de.pixart.messenger.entities.Presences;
+import de.pixart.messenger.services.AvatarService;
+import de.pixart.messenger.services.XmppConnectionService;
+import de.pixart.messenger.services.XmppConnectionService.XmppConnectionBinder;
+import de.pixart.messenger.ui.widget.Switch;
+import de.pixart.messenger.utils.CryptoHelper;
+import de.pixart.messenger.utils.ExceptionHelper;
+import de.pixart.messenger.xmpp.OnKeyStatusUpdated;
+import de.pixart.messenger.xmpp.OnUpdateBlocklist;
+import de.pixart.messenger.xmpp.jid.InvalidJidException;
+import de.pixart.messenger.xmpp.jid.Jid;
+
+public abstract class XmppActivity extends Activity {
+
+ protected static final int REQUEST_ANNOUNCE_PGP = 0x0101;
+ protected static final int REQUEST_INVITE_TO_CONVERSATION = 0x0102;
+ protected static final int REQUEST_CHOOSE_PGP_ID = 0x0103;
+ protected static final int REQUEST_BATTERY_OP = 0x13849ff;
+
+ public static final String EXTRA_ACCOUNT = "account";
+
+ public XmppConnectionService xmppConnectionService;
+ public boolean xmppConnectionServiceBound = false;
+ protected boolean registeredListeners = false;
+
+ protected int mPrimaryTextColor;
+ protected int mSecondaryTextColor;
+ protected int mTertiaryTextColor;
+ protected int mPrimaryBackgroundColor;
+ protected int mSecondaryBackgroundColor;
+ protected int mColorRed;
+ protected int mColorOrange;
+ protected int mColorGreen;
+ protected int mPrimaryColor;
+
+ protected boolean mUseSubject = true;
+
+ private DisplayMetrics metrics;
+ protected int mTheme;
+ protected boolean mUsingEnterKey = false;
+
+ protected Toast mToast;
+
+ protected void hideToast() {
+ if (mToast != null) {
+ mToast.cancel();
+ }
+ }
+
+ protected void replaceToast(String msg) {
+ replaceToast(msg, true);
+ }
+
+ protected void replaceToast(String msg, boolean showlong) {
+ hideToast();
+ mToast = Toast.makeText(this, msg ,showlong ? Toast.LENGTH_LONG : Toast.LENGTH_SHORT);
+ mToast.show();
+ }
+
+ protected Runnable onOpenPGPKeyPublished = new Runnable() {
+ @Override
+ public void run() {
+ Toast.makeText(XmppActivity.this,R.string.openpgp_has_been_published, Toast.LENGTH_SHORT).show();
+ }
+ };
+
+ private long mLastUiRefresh = 0;
+ private Handler mRefreshUiHandler = new Handler();
+ private Runnable mRefreshUiRunnable = new Runnable() {
+ @Override
+ public void run() {
+ mLastUiRefresh = SystemClock.elapsedRealtime();
+ refreshUiReal();
+ }
+ };
+
+ protected ConferenceInvite mPendingConferenceInvite = null;
+
+
+ protected final void refreshUi() {
+ final long diff = SystemClock.elapsedRealtime() - mLastUiRefresh;
+ if (diff > Config.REFRESH_UI_INTERVAL) {
+ mRefreshUiHandler.removeCallbacks(mRefreshUiRunnable);
+ runOnUiThread(mRefreshUiRunnable);
+ } else {
+ final long next = Config.REFRESH_UI_INTERVAL - diff;
+ mRefreshUiHandler.removeCallbacks(mRefreshUiRunnable);
+ mRefreshUiHandler.postDelayed(mRefreshUiRunnable,next);
+ }
+ }
+
+ abstract protected void refreshUiReal();
+
+ 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;
+ if (!registeredListeners && shouldRegisterListeners()) {
+ registerListeners();
+ registeredListeners = true;
+ }
+ onBackendConnected();
+ }
+
+ @Override
+ public void onServiceDisconnected(ComponentName arg0) {
+ xmppConnectionServiceBound = false;
+ }
+ };
+
+ @Override
+ protected void onStart() {
+ super.onStart();
+ if (!xmppConnectionServiceBound) {
+ connectToBackend();
+ } else {
+ if (!registeredListeners) {
+ this.registerListeners();
+ this.registeredListeners = true;
+ }
+ this.onBackendConnected();
+ }
+ }
+
+ @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
+ protected boolean shouldRegisterListeners() {
+ if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
+ return !isDestroyed() && !isFinishing();
+ } else {
+ return !isFinishing();
+ }
+ }
+
+ 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) {
+ if (registeredListeners) {
+ this.unregisterListeners();
+ this.registeredListeners = false;
+ }
+ unbindService(mConnection);
+ xmppConnectionServiceBound = false;
+ }
+ }
+
+ protected void hideKeyboard() {
+ InputMethodManager inputManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
+
+ View focus = getCurrentFocus();
+
+ if (focus != null) {
+
+ inputManager.hideSoftInputFromWindow(focus.getWindowToken(),
+ 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 marketIntent = new Intent(Intent.ACTION_VIEW,
+ uri);
+ PackageManager manager = getApplicationContext()
+ .getPackageManager();
+ List<ResolveInfo> infos = manager
+ .queryIntentActivities(marketIntent, 0);
+ if (infos.size() > 0) {
+ startActivity(marketIntent);
+ } else {
+ uri = Uri.parse("http://www.openkeychain.org/");
+ Intent browserIntent = new Intent(
+ Intent.ACTION_VIEW, uri);
+ startActivity(browserIntent);
+ }
+ finish();
+ }
+ });
+ builder.create().show();
+ }
+
+ abstract void onBackendConnected();
+
+ protected void registerListeners() {
+ if (this instanceof XmppConnectionService.OnConversationUpdate) {
+ this.xmppConnectionService.setOnConversationListChangedListener((XmppConnectionService.OnConversationUpdate) this);
+ }
+ if (this instanceof XmppConnectionService.OnAccountUpdate) {
+ this.xmppConnectionService.setOnAccountListChangedListener((XmppConnectionService.OnAccountUpdate) this);
+ }
+ if (this instanceof XmppConnectionService.OnCaptchaRequested) {
+ this.xmppConnectionService.setOnCaptchaRequestedListener((XmppConnectionService.OnCaptchaRequested) this);
+ }
+ if (this instanceof XmppConnectionService.OnRosterUpdate) {
+ this.xmppConnectionService.setOnRosterUpdateListener((XmppConnectionService.OnRosterUpdate) this);
+ }
+ if (this instanceof XmppConnectionService.OnMucRosterUpdate) {
+ this.xmppConnectionService.setOnMucRosterUpdateListener((XmppConnectionService.OnMucRosterUpdate) this);
+ }
+ if (this instanceof OnUpdateBlocklist) {
+ this.xmppConnectionService.setOnUpdateBlocklistListener((OnUpdateBlocklist) this);
+ }
+ if (this instanceof XmppConnectionService.OnShowErrorToast) {
+ this.xmppConnectionService.setOnShowErrorToastListener((XmppConnectionService.OnShowErrorToast) this);
+ }
+ if (this instanceof OnKeyStatusUpdated) {
+ this.xmppConnectionService.setOnKeyStatusUpdatedListener((OnKeyStatusUpdated) this);
+ }
+ }
+
+ protected void unregisterListeners() {
+ if (this instanceof XmppConnectionService.OnConversationUpdate) {
+ this.xmppConnectionService.removeOnConversationListChangedListener();
+ }
+ if (this instanceof XmppConnectionService.OnAccountUpdate) {
+ this.xmppConnectionService.removeOnAccountListChangedListener();
+ }
+ if (this instanceof XmppConnectionService.OnCaptchaRequested) {
+ this.xmppConnectionService.removeOnCaptchaRequestedListener();
+ }
+ if (this instanceof XmppConnectionService.OnRosterUpdate) {
+ this.xmppConnectionService.removeOnRosterUpdateListener();
+ }
+ if (this instanceof XmppConnectionService.OnMucRosterUpdate) {
+ this.xmppConnectionService.removeOnMucRosterUpdateListener();
+ }
+ if (this instanceof OnUpdateBlocklist) {
+ this.xmppConnectionService.removeOnUpdateBlocklistListener();
+ }
+ if (this instanceof XmppConnectionService.OnShowErrorToast) {
+ this.xmppConnectionService.removeOnShowErrorToastListener();
+ }
+ if (this instanceof OnKeyStatusUpdated) {
+ this.xmppConnectionService.removeOnNewKeysAvailableListener();
+ }
+ }
+
+ @Override
+ public boolean onOptionsItemSelected(final MenuItem item) {
+ switch (item.getItemId()) {
+ case R.id.action_invite_user:
+ inviteUser();
+ break;
+ case R.id.action_settings:
+ startActivity(new Intent(this, SettingsActivity.class));
+ break;
+ case R.id.action_check_updates:
+ startActivity(new Intent(this, UpdaterActivity.class));
+ break;
+ case R.id.action_accounts:
+ final Intent intent = new Intent(getApplicationContext(), EditAccountActivity.class);
+ Account mAccount = xmppConnectionService.getAccounts().get(0);
+ intent.putExtra("jid", mAccount.getJid().toBareJid().toString());
+ intent.putExtra("init", false);
+ startActivity(intent);
+ break;
+ case android.R.id.home:
+ finish();
+ break;
+ case R.id.action_show_qr_code:
+ showQrCode();
+ break;
+ }
+ return super.onOptionsItemSelected(item);
+ }
+
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ metrics = getResources().getDisplayMetrics();
+ ExceptionHelper.init(getApplicationContext());
+ mPrimaryTextColor = getResources().getColor(R.color.black87);
+ mSecondaryTextColor = getResources().getColor(R.color.black54);
+ mTertiaryTextColor = getResources().getColor(R.color.black12);
+ mColorRed = getResources().getColor(R.color.red800);
+ mColorOrange = getResources().getColor(R.color.orange500);
+ mColorGreen = getResources().getColor(R.color.realgreen);
+ mPrimaryColor = getResources().getColor(R.color.primary);
+ mPrimaryBackgroundColor = getResources().getColor(R.color.grey50);
+ mSecondaryBackgroundColor = getResources().getColor(R.color.grey200);
+ this.mTheme = findTheme();
+ setTheme(this.mTheme);
+ this.mUsingEnterKey = usingEnterKey();
+ mUseSubject = getPreferences().getBoolean("use_subject", true);
+ final ActionBar ab = getActionBar();
+ if (ab!=null) {
+ ab.setDisplayHomeAsUpEnabled(true);
+ }
+ }
+
+ protected boolean isOptimizingBattery() {
+ if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+ PowerManager pm = (PowerManager) getSystemService(POWER_SERVICE);
+ return !pm.isIgnoringBatteryOptimizations(getPackageName());
+ } else {
+ return false;
+ }
+ }
+
+ protected boolean usingEnterKey() {
+ return getPreferences().getBoolean("display_enter_key", false);
+ }
+
+ protected SharedPreferences getPreferences() {
+ return PreferenceManager
+ .getDefaultSharedPreferences(getApplicationContext());
+ }
+
+ public boolean useSubjectToIdentifyConference() {
+ return mUseSubject;
+ }
+
+ public void switchToConversation(Conversation conversation) {
+ switchToConversation(conversation, null, false);
+ }
+
+ public void switchToConversation(Conversation conversation, String text,
+ boolean newTask) {
+ switchToConversation(conversation,text,null,false,newTask);
+ }
+
+ public void highlightInMuc(Conversation conversation, String nick) {
+ switchToConversation(conversation, null, nick, false, false);
+ }
+
+ public void privateMsgInMuc(Conversation conversation, String nick) {
+ switchToConversation(conversation, null, nick, true, false);
+ }
+
+ private void switchToConversation(Conversation conversation, String text, String nick, boolean pm, boolean newTask) {
+ Intent viewConversationIntent = new Intent(this,
+ ConversationActivity.class);
+ viewConversationIntent.setAction(ConversationActivity.ACTION_VIEW_CONVERSATION);
+ viewConversationIntent.putExtra(ConversationActivity.CONVERSATION,
+ conversation.getUuid());
+ if (text != null) {
+ viewConversationIntent.putExtra(ConversationActivity.TEXT, text);
+ }
+ if (nick != null) {
+ viewConversationIntent.putExtra(ConversationActivity.NICK, nick);
+ viewConversationIntent.putExtra(ConversationActivity.PRIVATE_MESSAGE,pm);
+ }
+ if (newTask) {
+ viewConversationIntent.setFlags(viewConversationIntent.getFlags()
+ | Intent.FLAG_ACTIVITY_NEW_TASK
+ | Intent.FLAG_ACTIVITY_SINGLE_TOP);
+ } else {
+ viewConversationIntent.setFlags(viewConversationIntent.getFlags()
+ | Intent.FLAG_ACTIVITY_CLEAR_TOP);
+ }
+ startActivity(viewConversationIntent);
+ finish();
+ }
+
+ public void switchToContactDetails(Contact contact) {
+ switchToContactDetails(contact, null);
+ }
+
+ public void switchToContactDetails(Contact contact, String messageFingerprint) {
+ Intent intent = new Intent(this, ContactDetailsActivity.class);
+ intent.setAction(ContactDetailsActivity.ACTION_VIEW_CONTACT);
+ intent.putExtra(EXTRA_ACCOUNT, contact.getAccount().getJid().toBareJid().toString());
+ intent.putExtra("contact", contact.getJid().toString());
+ intent.putExtra("fingerprint", messageFingerprint);
+ startActivity(intent);
+ }
+
+ public void switchToAccount(Account account) {
+ switchToAccount(account, false);
+ }
+
+ public void switchToAccount(Account account, boolean init) {
+ Intent intent = new Intent(this, EditAccountActivity.class);
+ intent.putExtra("jid", account.getJid().toBareJid().toString());
+ intent.putExtra("init", init);
+ startActivity(intent);
+ }
+
+ protected void inviteToConversation(Conversation conversation) {
+ Intent intent = new Intent(getApplicationContext(),
+ ChooseContactActivity.class);
+ List<String> contacts = new ArrayList<>();
+ if (conversation.getMode() == Conversation.MODE_MULTI) {
+ for (MucOptions.User user : conversation.getMucOptions().getUsers(false)) {
+ Jid jid = user.getRealJid();
+ if (jid != null) {
+ contacts.add(jid.toBareJid().toString());
+ }
+ }
+ } else {
+ contacts.add(conversation.getJid().toBareJid().toString());
+ }
+ intent.putExtra("filter_contacts", contacts.toArray(new String[contacts.size()]));
+ intent.putExtra("conversation", conversation.getUuid());
+ intent.putExtra("multiple", true);
+ intent.putExtra("show_enter_jid", true);
+ intent.putExtra(EXTRA_ACCOUNT, conversation.getAccount().getJid().toBareJid().toString());
+ startActivityForResult(intent, REQUEST_INVITE_TO_CONVERSATION);
+ }
+
+ protected void announcePgp(Account account, final Conversation conversation, final Runnable onSuccess) {
+ if (account.getPgpId() == 0) {
+ choosePgpSignId(account);
+ } else {
+ String status = null;
+ if (manuallyChangePresence()) {
+ status = account.getPresenceStatusMessage();
+ }
+ if (status == null) {
+ status = "";
+ }
+ xmppConnectionService.getPgpEngine().generateSignature(account, status, new UiCallback<Account>() {
+
+ @Override
+ public void userInputRequried(PendingIntent pi, Account account) {
+ try {
+ startIntentSenderForResult(pi.getIntentSender(), REQUEST_ANNOUNCE_PGP, null, 0, 0, 0);
+ } catch (final SendIntentException ignored) {
+ }
+ }
+
+ @Override
+ public void success(Account account) {
+ xmppConnectionService.databaseBackend.updateAccount(account);
+ xmppConnectionService.sendPresence(account);
+ if (conversation != null) {
+ conversation.setNextEncryption(Message.ENCRYPTION_PGP);
+ xmppConnectionService.databaseBackend.updateConversation(conversation);
+ refreshUi();
+ }
+ if (onSuccess != null) {
+ runOnUiThread(onSuccess);
+ }
+ }
+
+ @Override
+ public void error(int error, Account account) {
+ displayErrorDialog(error);
+ }
+ });
+ }
+ }
+
+ protected boolean noAccountUsesPgp() {
+ if (!hasPgp()) {
+ return true;
+ }
+ for(Account account : xmppConnectionService.getAccounts()) {
+ if (account.getPgpId() != 0) {
+ return false;
+ }
+ }
+ return true;
+ }
+
+ @SuppressWarnings("deprecation")
+ @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
+ protected void setListItemBackgroundOnView(View view) {
+ int sdk = android.os.Build.VERSION.SDK_INT;
+ if (sdk < android.os.Build.VERSION_CODES.JELLY_BEAN) {
+ view.setBackgroundDrawable(getResources().getDrawable(R.drawable.greybackground));
+ } else {
+ view.setBackground(getResources().getDrawable(R.drawable.greybackground));
+ }
+ }
+
+ protected void choosePgpSignId(Account account) {
+ xmppConnectionService.getPgpEngine().chooseKey(account, new UiCallback<Account>() {
+ @Override
+ public void success(Account account1) {
+ }
+
+ @Override
+ public void error(int errorCode, Account object) {
+
+ }
+
+ @Override
+ public void userInputRequried(PendingIntent pi, Account object) {
+ try {
+ startIntentSenderForResult(pi.getIntentSender(),
+ REQUEST_CHOOSE_PGP_ID, null, 0, 0, 0);
+ } catch (final SendIntentException ignored) {
+ }
+ }
+ });
+ }
+
+ 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) {
+ showAddToRosterDialog(conversation.getContact());
+ }
+
+ protected void showAddToRosterDialog(final Contact contact) {
+ AlertDialog.Builder builder = new AlertDialog.Builder(this);
+ builder.setTitle(contact.getJid().toString());
+ 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) {
+ final Jid jid = contact.getJid();
+ Account account = contact.getAccount();
+ Contact contact = account.getRoster().getContact(jid);
+ xmppConnectionService.createContact(contact);
+ }
+ });
+ builder.create().show();
+ }
+
+ private void showAskForPresenceDialog(final Contact contact) {
+ AlertDialog.Builder builder = new AlertDialog.Builder(this);
+ builder.setTitle(contact.getJid().toString());
+ builder.setMessage(R.string.request_presence_updates);
+ builder.setNegativeButton(R.string.cancel, null);
+ builder.setPositiveButton(R.string.request_now,
+ new DialogInterface.OnClickListener() {
+
+ @Override
+ public void onClick(DialogInterface dialog, int which) {
+ if (xmppConnectionServiceBound) {
+ xmppConnectionService.sendPresencePacket(contact
+ .getAccount(), xmppConnectionService
+ .getPresenceGenerator()
+ .requestPresenceUpdatesFrom(contact));
+ }
+ }
+ });
+ builder.create().show();
+ }
+
+ private void warnMutalPresenceSubscription(final Conversation conversation,
+ final OnPresenceSelected listener) {
+ AlertDialog.Builder builder = new AlertDialog.Builder(this);
+ builder.setTitle(conversation.getContact().getJid().toString());
+ builder.setMessage(R.string.without_mutual_presence_updates);
+ builder.setNegativeButton(R.string.cancel, null);
+ builder.setPositiveButton(R.string.ignore, new OnClickListener() {
+
+ @Override
+ public void onClick(DialogInterface dialog, int which) {
+ conversation.setNextCounterpart(null);
+ if (listener != null) {
+ listener.onPresenceSelected();
+ }
+ }
+ });
+ builder.create().show();
+ }
+
+ protected void quickEdit(String previousValue, int hint, OnValueEdited callback) {
+ quickEdit(previousValue, callback, hint, false);
+ }
+
+ protected void quickPasswordEdit(String previousValue, OnValueEdited callback) {
+ quickEdit(previousValue, callback, R.string.password, true);
+ }
+
+ @SuppressLint("InflateParams")
+ private void quickEdit(final String previousValue,
+ final OnValueEdited callback,
+ final int hint,
+ boolean password) {
+ AlertDialog.Builder builder = new AlertDialog.Builder(this);
+ View view = getLayoutInflater().inflate(R.layout.quickedit, null);
+ final EditText editor = (EditText) view.findViewById(R.id.editor);
+ OnClickListener mClickListener = new OnClickListener() {
+
+ @Override
+ public void onClick(DialogInterface dialog, int which) {
+ String value = editor.getText().toString();
+ if (!value.equals(previousValue) && value.trim().length() > 0) {
+ callback.onValueEdited(value);
+ }
+ }
+ };
+ if (password) {
+ editor.setInputType(InputType.TYPE_CLASS_TEXT
+ | InputType.TYPE_TEXT_VARIATION_PASSWORD);
+ builder.setPositiveButton(R.string.accept, mClickListener);
+ } else {
+ builder.setPositiveButton(R.string.edit, mClickListener);
+ }
+ if (hint != 0) {
+ editor.setHint(hint);
+ }
+ editor.requestFocus();
+ editor.setText("");
+ if (previousValue != null) {
+ editor.getText().append(previousValue);
+ }
+ builder.setView(view);
+ builder.setNegativeButton(R.string.cancel, null);
+ builder.create().show();
+ }
+
+ protected boolean addFingerprintRow(LinearLayout keys, final Account account, final String fingerprint, boolean highlight, View.OnClickListener onKeyClickedListener) {
+ final XmppAxolotlSession.Trust trust = account.getAxolotlService()
+ .getFingerprintTrust(fingerprint);
+ if (trust == null) {
+ return false;
+ }
+ return addFingerprintRowWithListeners(keys, account, fingerprint, highlight, trust, true,
+ new CompoundButton.OnCheckedChangeListener() {
+ @Override
+ public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+ account.getAxolotlService().setFingerprintTrust(fingerprint,
+ (isChecked) ? XmppAxolotlSession.Trust.TRUSTED :
+ XmppAxolotlSession.Trust.UNTRUSTED);
+ }
+ },
+ new View.OnClickListener() {
+ @Override
+ public void onClick(View v) {
+ account.getAxolotlService().setFingerprintTrust(fingerprint,
+ XmppAxolotlSession.Trust.UNTRUSTED);
+ v.setEnabled(true);
+ }
+ },
+ onKeyClickedListener
+
+ );
+ }
+
+ protected boolean addFingerprintRowWithListeners(LinearLayout keys, final Account account,
+ final String fingerprint,
+ boolean highlight,
+ XmppAxolotlSession.Trust trust,
+ boolean showTag,
+ CompoundButton.OnCheckedChangeListener
+ onCheckedChangeListener,
+ View.OnClickListener onClickListener,
+ View.OnClickListener onKeyClickedListener) {
+ if (trust == XmppAxolotlSession.Trust.COMPROMISED) {
+ return false;
+ }
+ View view = getLayoutInflater().inflate(R.layout.contact_key, keys, false);
+ TextView key = (TextView) view.findViewById(R.id.key);
+ key.setOnClickListener(onKeyClickedListener);
+ TextView keyType = (TextView) view.findViewById(R.id.key_type);
+ keyType.setOnClickListener(onKeyClickedListener);
+ Switch trustToggle = (Switch) view.findViewById(R.id.tgl_trust);
+ trustToggle.setVisibility(View.VISIBLE);
+ trustToggle.setOnCheckedChangeListener(onCheckedChangeListener);
+ trustToggle.setOnClickListener(onClickListener);
+ final View.OnLongClickListener purge = new View.OnLongClickListener() {
+ @Override
+ public boolean onLongClick(View v) {
+ showPurgeKeyDialog(account, fingerprint);
+ return true;
+ }
+ };
+ boolean active = true;
+ view.setOnLongClickListener(purge);
+ key.setOnLongClickListener(purge);
+ keyType.setOnLongClickListener(purge);
+ boolean x509 = Config.X509_VERIFICATION
+ && (trust == XmppAxolotlSession.Trust.TRUSTED_X509 || trust == XmppAxolotlSession.Trust.INACTIVE_TRUSTED_X509);
+ switch (trust) {
+ case UNTRUSTED:
+ case TRUSTED:
+ case TRUSTED_X509:
+ trustToggle.setChecked(trust.trusted(), false);
+ trustToggle.setEnabled(!Config.X509_VERIFICATION || trust != XmppAxolotlSession.Trust.TRUSTED_X509);
+ if (Config.X509_VERIFICATION && trust == XmppAxolotlSession.Trust.TRUSTED_X509) {
+ trustToggle.setOnClickListener(null);
+ }
+ key.setTextColor(getPrimaryTextColor());
+ keyType.setTextColor(getSecondaryTextColor());
+ break;
+ case UNDECIDED:
+ trustToggle.setChecked(false, false);
+ trustToggle.setEnabled(false);
+ key.setTextColor(getPrimaryTextColor());
+ keyType.setTextColor(getSecondaryTextColor());
+ break;
+ case INACTIVE_UNTRUSTED:
+ case INACTIVE_UNDECIDED:
+ trustToggle.setOnClickListener(null);
+ trustToggle.setChecked(false, false);
+ trustToggle.setEnabled(false);
+ key.setTextColor(getTertiaryTextColor());
+ keyType.setTextColor(getTertiaryTextColor());
+ active = false;
+ break;
+ case INACTIVE_TRUSTED:
+ case INACTIVE_TRUSTED_X509:
+ trustToggle.setOnClickListener(null);
+ trustToggle.setChecked(true, false);
+ trustToggle.setEnabled(false);
+ key.setTextColor(getTertiaryTextColor());
+ keyType.setTextColor(getTertiaryTextColor());
+ active = false;
+ break;
+ }
+
+ if (showTag) {
+ keyType.setText(getString(x509 ? R.string.omemo_fingerprint_x509 : R.string.omemo_fingerprint));
+ } else {
+ keyType.setVisibility(View.GONE);
+ }
+ if (highlight) {
+ keyType.setTextColor(getResources().getColor(R.color.accent));
+ keyType.setText(getString(x509 ? R.string.omemo_fingerprint_x509_selected_message : R.string.omemo_fingerprint_selected_message));
+ } else {
+ keyType.setText(getString(x509 ? R.string.omemo_fingerprint_x509 : R.string.omemo_fingerprint));
+ }
+
+ key.setText(CryptoHelper.prettifyFingerprint(fingerprint.substring(2)));
+
+ final View.OnClickListener toast;
+ if (!active) {
+ toast = new View.OnClickListener() {
+ @Override
+ public void onClick(View v) {
+ replaceToast(getString(R.string.this_device_is_no_longer_in_use), false);
+ }
+ };
+ trustToggle.setOnClickListener(toast);
+ } else {
+ toast = new View.OnClickListener() {
+ @Override
+ public void onClick(View v) {
+ hideToast();
+ }
+ };
+ }
+ view.setOnClickListener(toast);
+ key.setOnClickListener(toast);
+ keyType.setOnClickListener(toast);
+
+ keys.addView(view);
+ return true;
+ }
+
+ public void showPurgeKeyDialog(final Account account, final String fingerprint) {
+ Builder builder = new Builder(this);
+ builder.setTitle(getString(R.string.purge_key));
+ builder.setIconAttribute(android.R.attr.alertDialogIcon);
+ builder.setMessage(getString(R.string.purge_key_desc_part1)
+ + "\n\n" + CryptoHelper.prettifyFingerprint(fingerprint.substring(2))
+ + "\n\n" + getString(R.string.purge_key_desc_part2));
+ builder.setNegativeButton(getString(R.string.cancel), null);
+ builder.setPositiveButton(getString(R.string.purge_key),
+ new DialogInterface.OnClickListener() {
+ @Override
+ public void onClick(DialogInterface dialog, int which) {
+ account.getAxolotlService().purgeKey(fingerprint);
+ refreshUi();
+ }
+ });
+ builder.create().show();
+ }
+
+ public boolean hasStoragePermission(int requestCode) {
+ if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+ if (checkSelfPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
+ requestPermissions(new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, requestCode);
+ return false;
+ } else {
+ return true;
+ }
+ } else {
+ return true;
+ }
+ }
+
+ public boolean hasMicPermission(int requestCode) {
+ if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+ if (checkSelfPermission(Manifest.permission.RECORD_AUDIO) != PackageManager.PERMISSION_GRANTED) {
+ requestPermissions(new String[]{Manifest.permission.RECORD_AUDIO}, requestCode);
+ return false;
+ } else {
+ return true;
+ }
+ } else {
+ return true;
+ }
+ }
+
+ public boolean hasLocationPermission(int requestCode) {
+ if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+ if (checkSelfPermission(Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED || checkSelfPermission(Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
+ requestPermissions(new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, requestCode);
+ requestPermissions(new String[]{Manifest.permission.ACCESS_COARSE_LOCATION}, requestCode);
+ return false;
+ } else {
+ return true;
+ }
+ } else {
+ return true;
+ }
+ }
+
+ public void selectPresence(final Conversation conversation,
+ final OnPresenceSelected listener) {
+ final Contact contact = conversation.getContact();
+ if (conversation.hasValidOtrSession()) {
+ SessionID id = conversation.getOtrSession().getSessionID();
+ Jid jid;
+ try {
+ jid = Jid.fromString(id.getAccountID() + "/" + id.getUserID());
+ } catch (InvalidJidException e) {
+ jid = null;
+ }
+ conversation.setNextCounterpart(jid);
+ listener.onPresenceSelected();
+ } else if (!contact.showInRoster()) {
+ showAddToRosterDialog(conversation);
+ } else {
+ Presences presences = contact.getPresences();
+ if (presences.size() == 0) {
+ if (!contact.getOption(Contact.Options.TO)
+ && !contact.getOption(Contact.Options.ASKING)
+ && contact.getAccount().getStatus() == Account.State.ONLINE) {
+ showAskForPresenceDialog(contact);
+ } else if (!contact.getOption(Contact.Options.TO)
+ || !contact.getOption(Contact.Options.FROM)) {
+ warnMutalPresenceSubscription(conversation, listener);
+ } else {
+ conversation.setNextCounterpart(null);
+ listener.onPresenceSelected();
+ }
+ } else if (presences.size() == 1) {
+ String presence = presences.asStringArray()[0];
+ try {
+ conversation.setNextCounterpart(Jid.fromParts(contact.getJid().getLocalpart(),contact.getJid().getDomainpart(),presence));
+ } catch (InvalidJidException e) {
+ conversation.setNextCounterpart(null);
+ }
+ 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.getLastPresence())) {
+ 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) {
+ try {
+ conversation.setNextCounterpart(Jid.fromParts(contact.getJid().getLocalpart(),contact.getJid().getDomainpart(),presence.toString()));
+ } catch (InvalidJidException e) {
+ conversation.setNextCounterpart(null);
+ }
+ 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) {
+ mPendingConferenceInvite = ConferenceInvite.parse(data);
+ if (xmppConnectionServiceBound && mPendingConferenceInvite != null) {
+ if (mPendingConferenceInvite.execute(this)) {
+ mToast = Toast.makeText(this, R.string.creating_conference, Toast.LENGTH_LONG);
+ mToast.show();
+ }
+ mPendingConferenceInvite = null;
+ }
+ }
+ }
+
+
+ private UiCallback<Conversation> adhocCallback = new UiCallback<Conversation>() {
+ @Override
+ public void success(final Conversation conversation) {
+ runOnUiThread(new Runnable() {
+ @Override
+ public void run() {
+ switchToConversation(conversation);
+ hideToast();
+ }
+ });
+ }
+
+ @Override
+ public void error(final int errorCode, Conversation object) {
+ runOnUiThread(new Runnable() {
+ @Override
+ public void run() {
+ replaceToast(getString(errorCode));
+ }
+ });
+ }
+
+ @Override
+ public void userInputRequried(PendingIntent pi, Conversation object) {
+
+ }
+ };
+
+ public int getTertiaryTextColor() {
+ return this.mTertiaryTextColor;
+ }
+
+ public int getSecondaryTextColor() {
+ return this.mSecondaryTextColor;
+ }
+
+ public int getPrimaryTextColor() {
+ return this.mPrimaryTextColor;
+ }
+
+ public int getWarningTextColor() {
+ return this.mColorRed;
+ }
+
+ public int getOnlineColor() {
+ return this.mColorGreen;
+ }
+
+ public int getPrimaryBackgroundColor() {
+ return this.mPrimaryBackgroundColor;
+ }
+
+ public int getSecondaryBackgroundColor() {
+ return this.mSecondaryBackgroundColor;
+ }
+
+ public int getPixel(int dp) {
+ DisplayMetrics metrics = getResources().getDisplayMetrics();
+ return ((int) (dp * metrics.density));
+ }
+
+ public boolean copyTextToClipboard(String text, int labelResId) {
+ ClipboardManager mClipBoardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
+ String label = getResources().getString(labelResId);
+ if (mClipBoardManager != null) {
+ ClipData mClipData = ClipData.newPlainText(label, text);
+ mClipBoardManager.setPrimaryClip(mClipData);
+ return true;
+ }
+ return false;
+ }
+
+ protected void registerNdefPushMessageCallback() {
+ NfcAdapter nfcAdapter = NfcAdapter.getDefaultAdapter(this);
+ if (nfcAdapter != null && nfcAdapter.isEnabled()) {
+ nfcAdapter.setNdefPushMessageCallback(new NfcAdapter.CreateNdefMessageCallback() {
+ @Override
+ public NdefMessage createNdefMessage(NfcEvent nfcEvent) {
+ return new NdefMessage(new NdefRecord[]{
+ NdefRecord.createUri(getShareableUri()),
+ NdefRecord.createApplicationRecord("eu.siacs.conversations")
+ });
+ }
+ }, this);
+ }
+ }
+
+ protected boolean neverCompressPictures() {
+ return getPreferences().getString("picture_compression", "auto").equals("never");
+ }
+
+ protected boolean manuallyChangePresence() {
+ return getPreferences().getBoolean("manually_change_presence", true);
+ }
+
+ protected void unregisterNdefPushMessageCallback() {
+ NfcAdapter nfcAdapter = NfcAdapter.getDefaultAdapter(this);
+ if (nfcAdapter != null && nfcAdapter.isEnabled()) {
+ nfcAdapter.setNdefPushMessageCallback(null,this);
+ }
+ }
+
+ protected String getShareableUri() {
+ return null;
+ }
+
+ private void inviteUser() {
+ Account mAccount = xmppConnectionService.getAccounts().get(0);
+ String user = mAccount.getJid().getLocalpart().toString();
+ String domain = mAccount.getJid().getDomainpart().toString();
+ String inviteURL = Config.inviteUserURL + user + "/" + domain;
+ String inviteText = getString(R.string.InviteText, user);
+ Intent intent = new Intent(android.content.Intent.ACTION_SEND);
+ intent.setType("text/plain");
+ intent.putExtra(Intent.EXTRA_SUBJECT, user + " " + getString(R.string.inviteUser_Subject) + " " + getString(R.string.app_name));
+ intent.putExtra(Intent.EXTRA_TEXT, inviteText + "\n\n" + inviteURL);
+ startActivity(Intent.createChooser(intent, getString(R.string.invite_contact)));
+ }
+
+ protected void shareUri() {
+ String uri = getShareableUri();
+ if (uri == null || uri.isEmpty()) {
+ return;
+ }
+ Intent shareIntent = new Intent();
+ shareIntent.setAction(Intent.ACTION_SEND);
+ shareIntent.putExtra(Intent.EXTRA_TEXT, getShareableUri());
+ shareIntent.setType("text/plain");
+ try {
+ startActivity(Intent.createChooser(shareIntent, getText(R.string.share_uri_with)));
+ } catch (ActivityNotFoundException e) {
+ Toast.makeText(this, R.string.no_application_to_share_uri, Toast.LENGTH_SHORT).show();
+ }
+ }
+
+ @Override
+ public void onResume() {
+ super.onResume();
+ if (this.getShareableUri()!=null) {
+ this.registerNdefPushMessageCallback();
+ }
+ }
+
+ protected int findTheme() {
+ if (getPreferences().getBoolean("use_larger_font", false)) {
+ return R.style.ConversationsTheme_LargerText;
+ } else {
+ return R.style.ConversationsTheme;
+ }
+ }
+
+ @Override
+ public void onPause() {
+ super.onPause();
+ this.unregisterNdefPushMessageCallback();
+ }
+
+ protected void showQrCode() {
+ String uri = getShareableUri();
+ if (uri!=null) {
+ Point size = new Point();
+ getWindowManager().getDefaultDisplay().getSize(size);
+ final int width = (size.x < size.y ? size.x : size.y);
+ Bitmap bitmap = createQrCodeBitmap(uri, width);
+ ImageView view = new ImageView(this);
+ view.setImageBitmap(bitmap);
+ AlertDialog.Builder builder = new AlertDialog.Builder(this);
+ builder.setView(view);
+ builder.create().show();
+ }
+ }
+
+ protected Bitmap createQrCodeBitmap(String input, int size) {
+ Log.d(Config.LOGTAG,"qr code requested size: "+size);
+ try {
+ final QRCodeWriter QR_CODE_WRITER = new QRCodeWriter();
+ final Hashtable<EncodeHintType, Object> hints = new Hashtable<>();
+ hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.M);
+ final BitMatrix result = QR_CODE_WRITER.encode(input, BarcodeFormat.QR_CODE, size, size, hints);
+ final int width = result.getWidth();
+ final int height = result.getHeight();
+ final int[] pixels = new int[width * height];
+ for (int y = 0; y < height; y++) {
+ final int offset = y * width;
+ for (int x = 0; x < width; x++) {
+ pixels[offset + x] = result.get(x, y) ? Color.BLACK : Color.TRANSPARENT;
+ }
+ }
+ final Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
+ Log.d(Config.LOGTAG,"output size: "+width+"x"+height);
+ bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
+ return bitmap;
+ } catch (final WriterException e) {
+ return null;
+ }
+ }
+
+ protected Account extractAccount(Intent intent) {
+ String jid = intent != null ? intent.getStringExtra(EXTRA_ACCOUNT) : null;
+ try {
+ return jid != null ? xmppConnectionService.findAccountByJid(Jid.fromString(jid)) : null;
+ } catch (InvalidJidException e) {
+ return null;
+ }
+ }
+
+ public static class ConferenceInvite {
+ private String uuid;
+ private List<Jid> jids = new ArrayList<>();
+
+ public static ConferenceInvite parse(Intent data) {
+ ConferenceInvite invite = new ConferenceInvite();
+ invite.uuid = data.getStringExtra("conversation");
+ if (invite.uuid == null) {
+ return null;
+ }
+ try {
+ if (data.getBooleanExtra("multiple", false)) {
+ String[] toAdd = data.getStringArrayExtra("contacts");
+ for (String item : toAdd) {
+ invite.jids.add(Jid.fromString(item));
+ }
+ } else {
+ invite.jids.add(Jid.fromString(data.getStringExtra("contact")));
+ }
+ } catch (final InvalidJidException ignored) {
+ return null;
+ }
+ return invite;
+ }
+
+ public boolean execute(XmppActivity activity) {
+ XmppConnectionService service = activity.xmppConnectionService;
+ Conversation conversation = service.findConversationByUuid(this.uuid);
+ if (conversation == null) {
+ return false;
+ }
+ if (conversation.getMode() == Conversation.MODE_MULTI) {
+ for (Jid jid : jids) {
+ service.invite(conversation, jid);
+ }
+ return false;
+ } else {
+ jids.add(conversation.getJid().toBareJid());
+ service.createAdhocConference(conversation.getAccount(), null, jids, activity.adhocCallback);
+ return true;
+ }
+ }
+ }
+
+ public AvatarService avatarService() {
+ return xmppConnectionService.getAvatarService();
+ }
+
+ class BitmapWorkerTask extends AsyncTask<Message, Void, Bitmap> {
+ private final WeakReference<ImageView> imageViewReference;
+ private Message message = null;
+
+ public BitmapWorkerTask(ImageView imageView) {
+ imageViewReference = new WeakReference<>(imageView);
+ }
+
+ @Override
+ protected Bitmap doInBackground(Message... params) {
+ if (isCancelled()) {
+ return null;
+ }
+ 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 (bitmap != null && !isCancelled()) {
+ 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) {
+ cancelPotentialWork(message, imageView);
+ imageView.setImageBitmap(bm);
+ imageView.setBackgroundColor(0x00000000);
+ } else {
+ if (cancelPotentialWork(message, imageView)) {
+ imageView.setBackgroundColor(0xff333333);
+ imageView.setImageDrawable(null);
+ final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
+ final AsyncDrawable asyncDrawable = new AsyncDrawable(
+ getResources(), null, task);
+ imageView.setImageDrawable(asyncDrawable);
+ try {
+ task.execute(message);
+ } catch (final RejectedExecutionException ignored) {
+ ignored.printStackTrace();
+ }
+ }
+ }
+ }
+
+ 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);
+ }
+
+ public BitmapWorkerTask getBitmapWorkerTask() {
+ return bitmapWorkerTaskReference.get();
+ }
+ }
+} \ No newline at end of file