diff options
Diffstat (limited to 'src/main/java/de/thedevstack/conversationsplus/ui/XmppActivity.java')
| -rw-r--r-- | src/main/java/de/thedevstack/conversationsplus/ui/XmppActivity.java | 957 |
1 files changed, 957 insertions, 0 deletions
diff --git a/src/main/java/de/thedevstack/conversationsplus/ui/XmppActivity.java b/src/main/java/de/thedevstack/conversationsplus/ui/XmppActivity.java new file mode 100644 index 00000000..6c1f0439 --- /dev/null +++ b/src/main/java/de/thedevstack/conversationsplus/ui/XmppActivity.java @@ -0,0 +1,957 @@ +package de.thedevstack.conversationsplus.ui; + +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.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.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.EditText; +import android.widget.ImageView; +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.tzur.conversations.Settings; +import de.thedevstack.conversationsplus.Config; +import de.thedevstack.conversationsplus.R; +import de.thedevstack.conversationsplus.entities.Account; +import de.thedevstack.conversationsplus.entities.Contact; +import de.thedevstack.conversationsplus.entities.Conversation; +import de.thedevstack.conversationsplus.entities.Message; +import de.thedevstack.conversationsplus.entities.MucOptions; +import de.thedevstack.conversationsplus.entities.Presences; +import de.thedevstack.conversationsplus.services.AvatarService; +import de.thedevstack.conversationsplus.services.XmppConnectionService; +import de.thedevstack.conversationsplus.services.XmppConnectionService.XmppConnectionBinder; +import de.thedevstack.conversationsplus.utils.ExceptionHelper; +import de.thedevstack.conversationsplus.xmpp.OnUpdateBlocklist; +import de.thedevstack.conversationsplus.xmpp.jid.InvalidJidException; +import de.thedevstack.conversationsplus.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; + + public XmppConnectionService xmppConnectionService; + public boolean xmppConnectionServiceBound = false; + protected boolean registeredListeners = false; + + protected int mPrimaryTextColor; + protected int mSecondaryTextColor; + 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; + + private long mLastUiRefresh = 0; + private Handler mRefreshUiHandler = new Handler(); + private Runnable mRefreshUiRunnable = new Runnable() { + @Override + public void run() { + mLastUiRefresh = SystemClock.elapsedRealtime(); + refreshUiReal(); + } + }; + + + protected 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); + } + } + + 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.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); + } + } + + protected void unregisterListeners() { + if (this instanceof XmppConnectionService.OnConversationUpdate) { + this.xmppConnectionService.removeOnConversationListChangedListener(); + } + if (this instanceof XmppConnectionService.OnAccountUpdate) { + this.xmppConnectionService.removeOnAccountListChangedListener(); + } + if (this instanceof XmppConnectionService.OnRosterUpdate) { + this.xmppConnectionService.removeOnRosterUpdateListener(); + } + if (this instanceof XmppConnectionService.OnMucRosterUpdate) { + this.xmppConnectionService.removeOnMucRosterUpdateListener(); + } + if (this instanceof OnUpdateBlocklist) { + this.xmppConnectionService.removeOnUpdateBlocklistListener(); + } + } + + @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); + } + + @Override + protected void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + metrics = getResources().getDisplayMetrics(); + ExceptionHelper.init(getApplicationContext()); + mPrimaryTextColor = getResources().getColor(R.color.primarytext); + mSecondaryTextColor = getResources().getColor(R.color.secondarytext); + mColorRed = getResources().getColor(R.color.red); + mColorOrange = getResources().getColor(R.color.orange); + mColorGreen = getResources().getColor(R.color.green); + mPrimaryColor = getResources().getColor(R.color.primary); + mSecondaryBackgroundColor = getResources().getColor(R.color.secondarybackground); + this.mTheme = findTheme(); + setTheme(this.mTheme); + this.mUsingEnterKey = usingEnterKey(); + mUseSubject = getPreferences().getBoolean("use_subject", true); + + Settings.initSettingsClassWithPreferences(getPreferences()); + + final ActionBar ab = getActionBar(); + if (ab!=null) { + ab.setDisplayHomeAsUpEnabled(true); + } + } + + 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,newTask); + } + + public void highlightInMuc(Conversation conversation, String nick) { + switchToConversation(conversation,null,nick,false); + } + + private void switchToConversation(Conversation conversation, String text, String nick, boolean newTask) { + Intent viewConversationIntent = new Intent(this, + ConversationActivity.class); + viewConversationIntent.setAction(Intent.ACTION_VIEW); + viewConversationIntent.putExtra(ConversationActivity.CONVERSATION, + conversation.getUuid()); + if (text != null) { + viewConversationIntent.putExtra(ConversationActivity.TEXT, text); + } + if (nick != null) { + viewConversationIntent.putExtra(ConversationActivity.NICK, nick); + } + viewConversationIntent.setType(ConversationActivity.VIEW_CONVERSATION); + 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) { + Intent intent = new Intent(this, ContactDetailsActivity.class); + intent.setAction(ContactDetailsActivity.ACTION_VIEW_CONTACT); + intent.putExtra("account", contact.getAccount().getJid().toBareJid().toString()); + intent.putExtra("contact", contact.getJid().toString()); + startActivity(intent); + } + + public void switchToAccount(Account account) { + Intent intent = new Intent(this, EditAccountActivity.class); + intent.putExtra("jid", account.getJid().toBareJid().toString()); + 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()) { + Jid jid = user.getJid(); + 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); + 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 (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); + } + } + + @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) { + 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, OnValueEdited callback) { + quickEdit(previousValue, callback, false); + } + + protected void quickPasswordEdit(String previousValue, + OnValueEdited callback) { + quickEdit(previousValue, callback, true); + } + + @SuppressLint("InflateParams") + private void quickEdit(final String previousValue, + final OnValueEdited callback, 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 (!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); + builder.create().show(); + } + + 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.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) { + 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) { + try { + String conversationUuid = data.getStringExtra("conversation"); + Conversation conversation = xmppConnectionService + .findConversationByUuid(conversationUuid); + List<Jid> jids = new ArrayList<Jid>(); + if (data.getBooleanExtra("multiple", false)) { + String[] toAdd = data.getStringArrayExtra("contacts"); + for (String item : toAdd) { + jids.add(Jid.fromString(item)); + } + } else { + jids.add(Jid.fromString(data.getStringExtra("contact"))); + } + + if (conversation.getMode() == Conversation.MODE_MULTI) { + for (Jid jid : jids) { + xmppConnectionService.invite(conversation, jid); + } + } else { + jids.add(conversation.getJid().toBareJid()); + xmppConnectionService.createAdhocConference(conversation.getAccount(), jids, adhocCallback); + } + } catch (final InvalidJidException ignored) { + + } + } + } + + private UiCallback<Conversation> adhocCallback = new UiCallback<Conversation>() { + @Override + public void success(final Conversation conversation) { + switchToConversation(conversation); + runOnUiThread(new Runnable() { + @Override + public void run() { + Toast.makeText(XmppActivity.this,R.string.conference_created,Toast.LENGTH_LONG).show(); + } + }); + } + + @Override + public void error(final int errorCode, Conversation object) { + runOnUiThread(new Runnable() { + @Override + public void run() { + Toast.makeText(XmppActivity.this,errorCode,Toast.LENGTH_LONG).show(); + } + }); + } + + @Override + public void userInputRequried(PendingIntent pi, Conversation object) { + + } + }; + + public int getSecondaryTextColor() { + return this.mSecondaryTextColor; + } + + public int getPrimaryTextColor() { + return this.mPrimaryTextColor; + } + + public int getWarningTextColor() { + return this.mColorRed; + } + + public int getPrimaryColor() { + return this.mPrimaryColor; + } + + public int getOnlineColor() { + return this.mColorGreen; + } + + 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 void unregisterNdefPushMessageCallback() { + NfcAdapter nfcAdapter = NfcAdapter.getDefaultAdapter(this); + if (nfcAdapter != null && nfcAdapter.isEnabled()) { + nfcAdapter.setNdefPushMessageCallback(null,this); + } + } + + protected String getShareableUri() { + return null; + } + + @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; + } + } + + 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) { + 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) { + 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 (final RejectedExecutionException ignored) { + } + } + } + } + + 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(); + } + } +} |