package eu.siacs.conversations.ui; import android.Manifest; import android.annotation.SuppressLint; import android.annotation.TargetApi; import android.support.v7.app.ActionBar; import android.support.v7.app.AlertDialog; import android.support.v7.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.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.content.res.TypedArray; 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.ConnectivityManager; import android.net.Uri; 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.support.v4.content.ContextCompat; import android.support.v7.app.AppCompatActivity; import android.support.v7.app.AppCompatDelegate; import android.text.InputType; import android.util.DisplayMetrics; import android.util.Log; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.view.inputmethod.InputMethodManager; import android.widget.EditText; import android.widget.ImageView; import android.widget.Toast; import java.io.FileNotFoundException; import java.lang.ref.WeakReference; import java.util.ArrayList; import java.util.List; import java.util.concurrent.RejectedExecutionException; import eu.siacs.conversations.Config; import eu.siacs.conversations.R; import eu.siacs.conversations.crypto.PgpEngine; import eu.siacs.conversations.entities.Account; import eu.siacs.conversations.entities.Contact; import eu.siacs.conversations.entities.Conversation; import eu.siacs.conversations.entities.Message; import eu.siacs.conversations.entities.Presences; import eu.siacs.conversations.services.AvatarService; import eu.siacs.conversations.services.BarcodeProvider; import eu.siacs.conversations.services.XmppConnectionService; import eu.siacs.conversations.services.XmppConnectionService.XmppConnectionBinder; import eu.siacs.conversations.ui.util.MenuDoubleTabUtil; import eu.siacs.conversations.ui.util.PresenceSelector; import eu.siacs.conversations.utils.ExceptionHelper; import eu.siacs.conversations.utils.ThemeHelper; import eu.siacs.conversations.xmpp.OnKeyStatusUpdated; import eu.siacs.conversations.xmpp.OnUpdateBlocklist; import rocks.xmpp.addr.Jid; public abstract class XmppActivity extends AppCompatActivity { public static final String EXTRA_ACCOUNT = "account"; 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 = 0x49ff; public XmppConnectionService xmppConnectionService; public boolean xmppConnectionServiceBound = false; protected boolean registeredListeners = false; protected int mColorRed; protected int mColorOrange; protected int mColorGreen; protected static final String FRAGMENT_TAG_DIALOG = "dialog"; private boolean isCameraFeatureAvailable = false; protected boolean mUseSubject = true; protected int mTheme; protected boolean mUsingEnterKey = false; protected Toast mToast; public Runnable onOpenPGPKeyPublished = () -> Toast.makeText(XmppActivity.this, R.string.openpgp_has_been_published, Toast.LENGTH_SHORT).show(); protected ConferenceInvite mPendingConferenceInvite = null; 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; } }; private DisplayMetrics metrics; private long mLastUiRefresh = 0; private Handler mRefreshUiHandler = new Handler(); private Runnable mRefreshUiRunnable = () -> { mLastUiRefresh = SystemClock.elapsedRealtime(); refreshUiReal(); }; private UiCallback adhocCallback = new UiCallback() { @Override public void success(final Conversation conversation) { runOnUiThread(() -> { switchToConversation(conversation); hideToast(); }); } @Override public void error(final int errorCode, Conversation object) { runOnUiThread(() -> replaceToast(getString(errorCode))); } @Override public void userInputRequried(PendingIntent pi, Conversation object) { } }; public boolean mSkipBackgroundBinding = false; 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; } 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 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(); @Override protected void onStart() { super.onStart(); if (!xmppConnectionServiceBound) { if (this.mSkipBackgroundBinding) { Log.d(Config.LOGTAG,"skipping background binding"); } else { 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() { final InputMethodManager inputManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); View focus = getCurrentFocus(); if (focus != null && inputManager != 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), (dialog, which) -> { if (xmppConnectionServiceBound) { unbindService(mConnection); xmppConnectionServiceBound = false; } stopService(new Intent(XmppActivity.this, XmppConnectionService.class)); finish(); }); builder.setPositiveButton(getString(R.string.install), (dialog, which) -> { Uri uri = Uri .parse("market://details?id=org.sufficientlysecure.keychain"); Intent marketIntent = new Intent(Intent.ACTION_VIEW, uri); PackageManager manager = getApplicationContext() .getPackageManager(); List 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_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; case R.id.action_show_qr_code: showQrCode(); break; } return super.onOptionsItemSelected(item); } public void selectPresence(final Conversation conversation, final PresenceSelector.OnPresenceSelected listener) { final Contact contact = conversation.getContact(); if (!contact.showInRoster()) { showAddToRosterDialog(conversation.getContact()); } else { final 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)) { PresenceSelector.warnMutualPresenceSubscription(this, conversation, listener); } else { conversation.setNextCounterpart(null); listener.onPresenceSelected(); } } else if (presences.size() == 1) { String presence = presences.toResourceArray()[0]; try { conversation.setNextCounterpart(Jid.of(contact.getJid().getLocal(), contact.getJid().getDomain(), presence)); } catch (IllegalArgumentException e) { conversation.setNextCounterpart(null); } listener.onPresenceSelected(); } else { PresenceSelector.showPresenceSelectionDialog(this, conversation, listener); } } } @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); metrics = getResources().getDisplayMetrics(); ExceptionHelper.init(getApplicationContext()); this.isCameraFeatureAvailable = getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA); mColorRed = ContextCompat.getColor(this, R.color.red800); mColorOrange = ContextCompat.getColor(this, R.color.orange500); mColorGreen = ContextCompat.getColor(this, R.color.green500); this.mTheme = findTheme(); setTheme(this.mTheme); this.mUsingEnterKey = usingEnterKey(); mUseSubject = getPreferences().getBoolean("use_subject", getResources().getBoolean(R.bool.use_subject)); } protected boolean isCameraFeatureAvailable() { return this.isCameraFeatureAvailable; } public boolean isDarkTheme() { return this.mTheme == R.style.ConversationsTheme_Dark; } public int getThemeResource(int r_attr_name, int r_drawable_def) { int[] attrs = {r_attr_name}; TypedArray ta = this.getTheme().obtainStyledAttributes(attrs); int res = ta.getResourceId(0, r_drawable_def); ta.recycle(); return res; } protected boolean isOptimizingBattery() { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) { final PowerManager pm = (PowerManager) getSystemService(POWER_SERVICE); return pm != null && !pm.isIgnoringBatteryOptimizations(getPackageName()); } else { return false; } } protected boolean isAffectedByDataSaver() { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) { final ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE); return cm != null && cm.isActiveNetworkMetered() && cm.getRestrictBackgroundStatus() == ConnectivityManager.RESTRICT_BACKGROUND_STATUS_ENABLED; } else { return false; } } protected boolean usingEnterKey() { return getPreferences().getBoolean("display_enter_key", getResources().getBoolean(R.bool.display_enter_key)); } 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 intent = new Intent(this, ConversationsActivity.class); intent.setAction(ConversationsActivity.ACTION_VIEW_CONVERSATION); intent.putExtra(ConversationsActivity.EXTRA_CONVERSATION, conversation.getUuid()); if (text != null) { intent.putExtra(ConversationsActivity.EXTRA_TEXT, text); } if (nick != null) { intent.putExtra(ConversationsActivity.EXTRA_NICK, nick); intent.putExtra(ConversationsActivity.EXTRA_IS_PRIVATE_MESSAGE, pm); } if (newTask) { intent.setFlags(intent.getFlags() | Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_SINGLE_TOP); } else { intent.setFlags(intent.getFlags() | Intent.FLAG_ACTIVITY_CLEAR_TOP); } startActivity(intent); 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().asBareJid().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().asBareJid().toString()); intent.putExtra("init", init); if (init) { intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK | Intent.FLAG_ACTIVITY_NO_ANIMATION); } startActivity(intent); if (init) { overridePendingTransition(0, 0); } } protected void delegateUriPermissionsToService(Uri uri) { Intent intent = new Intent(this,XmppConnectionService.class); intent.setAction(Intent.ACTION_SEND); intent.setData(uri); intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); startService(intent); } protected void inviteToConversation(Conversation conversation) { startActivityForResult(ChooseContactActivity.create(this,conversation), REQUEST_INVITE_TO_CONVERSATION); } protected void announcePgp(final Account account, final Conversation conversation, Intent intent, 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(intent, account, status, new UiCallback() { @Override public void userInputRequried(PendingIntent pi, String signature) { try { startIntentSenderForResult(pi.getIntentSender(), REQUEST_ANNOUNCE_PGP, null, 0, 0, 0); } catch (final SendIntentException ignored) { } } @Override public void success(String signature) { account.setPgpSignature(signature); xmppConnectionService.databaseBackend.updateAccount(account); xmppConnectionService.sendPresence(account); if (conversation != null) { conversation.setNextEncryption(Message.ENCRYPTION_PGP); xmppConnectionService.updateConversation(conversation); refreshUi(); } if (onSuccess != null) { runOnUiThread(onSuccess); } } @Override public void error(int error, String signature) { if (error == 0) { account.setPgpSignId(0); account.unsetPgpSignature(); xmppConnectionService.databaseBackend.updateAccount(account); choosePgpSignId(account); } else { displayErrorDialog(error); } } }); } } public static void configureActionBar(ActionBar actionBar) { if (actionBar != null) { actionBar.setHomeButtonEnabled(true); actionBar.setDisplayHomeAsUpEnabled(true); } } 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() { @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(() -> { Builder builder = new 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 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), (dialog, which) -> xmppConnectionService.createContact(contact,true)); 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, (dialog, which) -> { if (xmppConnectionServiceBound) { xmppConnectionService.sendPresencePacket(contact .getAccount(), xmppConnectionService .getPresenceGenerator() .requestPresenceUpdatesFrom(contact)); } }); 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 = view.findViewById(R.id.editor); if (password) { editor.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD); } builder.setPositiveButton(R.string.accept, null); 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); final AlertDialog dialog = builder.create(); dialog.show(); View.OnClickListener clickListener = v -> { String value = editor.getText().toString(); if (!value.equals(previousValue) && value.trim().length() > 0) { String error = callback.onValueEdited(value); if (error != null) { editor.setError(error); return; } } dialog.dismiss(); }; dialog.getButton(DialogInterface.BUTTON_POSITIVE).setOnClickListener(clickListener); } protected 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; } } 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; } } } public int getWarningTextColor() { return this.mColorRed; } public int getOnlineColor() { return this.mColorGreen; } 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 boolean neverCompressPictures() { return getPreferences().getString("picture_compression", getResources().getString(R.string.picture_compression)).equals("never"); } protected boolean manuallyChangePresence() { return getPreferences().getBoolean(SettingsActivity.MANUALLY_CHANGE_PRESENCE, getResources().getBoolean(R.bool.manually_change_presence)); } protected String getShareableUri() { return getShareableUri(false); } protected String getShareableUri(boolean http) { return null; } protected void shareLink(boolean http) { String uri = getShareableUri(http); if (uri == null || uri.isEmpty()) { return; } Intent intent = new Intent(Intent.ACTION_SEND); intent.setType("text/plain"); intent.putExtra(Intent.EXTRA_TEXT, getShareableUri(http)); try { startActivity(Intent.createChooser(intent, getText(R.string.share_uri_with))); } catch (ActivityNotFoundException e) { Toast.makeText(this, R.string.no_application_to_share_uri, Toast.LENGTH_SHORT).show(); } } protected void launchOpenKeyChain(long keyId) { PgpEngine pgp = XmppActivity.this.xmppConnectionService.getPgpEngine(); try { startIntentSenderForResult( pgp.getIntentForKey(keyId).getIntentSender(), 0, null, 0, 0, 0); } catch (Throwable e) { Toast.makeText(XmppActivity.this, R.string.openpgp_error, Toast.LENGTH_SHORT).show(); } } @Override public void onResume() { super.onResume(); } protected int findTheme() { return ThemeHelper.find(this); } @Override public void onPause() { super.onPause(); } @Override public boolean onMenuOpened(int id, Menu menu) { if(id == AppCompatDelegate.FEATURE_SUPPORT_ACTION_BAR && menu != null) { MenuDoubleTabUtil.recordMenuOpen(); } return super.onMenuOpened(id, menu); } protected void showQrCode() { showQrCode(getShareableUri()); } protected void showQrCode(final String uri) { if (uri == null || uri.isEmpty()) { return; } Point size = new Point(); getWindowManager().getDefaultDisplay().getSize(size); final int width = (size.x < size.y ? size.x : size.y); Bitmap bitmap = BarcodeProvider.create2dBarcodeBitmap(uri, width); ImageView view = new ImageView(this); view.setBackgroundColor(Color.WHITE); view.setImageBitmap(bitmap); AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setView(view); builder.create().show(); } protected Account extractAccount(Intent intent) { String jid = intent != null ? intent.getStringExtra(EXTRA_ACCOUNT) : null; try { return jid != null ? xmppConnectionService.findAccountByJid(Jid.of(jid)) : null; } catch (IllegalArgumentException e) { return null; } } public AvatarService avatarService() { return xmppConnectionService.getAvatarService(); } 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(this, imageView); final AsyncDrawable asyncDrawable = new AsyncDrawable( getResources(), null, task); imageView.setImageDrawable(asyncDrawable); try { task.execute(message); } catch (final RejectedExecutionException ignored) { ignored.printStackTrace(); } } } } protected interface OnValueEdited { String onValueEdited(String value); } public static class ConferenceInvite { private String uuid; private List 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.of(item)); } } else { invite.jids.add(Jid.of(data.getStringExtra("contact"))); } } catch (final IllegalArgumentException 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().asBareJid()); return service.createAdhocConference(conversation.getAccount(), null, jids, activity.adhocCallback); } } } static class BitmapWorkerTask extends AsyncTask { private final WeakReference imageViewReference; private final WeakReference activity; private Message message = null; private BitmapWorkerTask(XmppActivity activity, ImageView imageView) { this.activity = new WeakReference<>(activity); this.imageViewReference = new WeakReference<>(imageView); } @Override protected Bitmap doInBackground(Message... params) { if (isCancelled()) { return null; } message = params[0]; try { XmppActivity activity = this.activity.get(); if (activity != null && activity.xmppConnectionService != null) { return activity.xmppConnectionService.getFileBackend().getThumbnail(message, (int) (activity.metrics.density * 288), false); } else { return null; } } 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); } } } } private static class AsyncDrawable extends BitmapDrawable { private final WeakReference bitmapWorkerTaskReference; private AsyncDrawable(Resources res, Bitmap bitmap, BitmapWorkerTask bitmapWorkerTask) { super(res, bitmap); bitmapWorkerTaskReference = new WeakReference<>(bitmapWorkerTask); } private BitmapWorkerTask getBitmapWorkerTask() { return bitmapWorkerTaskReference.get(); } } }