ConversationActivity.java

  1package eu.siacs.conversations.ui;
  2
  3import java.io.FileNotFoundException;
  4import java.lang.ref.WeakReference;
  5import java.util.ArrayList;
  6import java.util.List;
  7
  8import eu.siacs.conversations.R;
  9import eu.siacs.conversations.entities.Contact;
 10import eu.siacs.conversations.entities.Conversation;
 11import eu.siacs.conversations.entities.Message;
 12import eu.siacs.conversations.services.ImageProvider;
 13import eu.siacs.conversations.services.XmppConnectionService.OnConversationUpdate;
 14import eu.siacs.conversations.utils.ExceptionHelper;
 15import eu.siacs.conversations.utils.UIHelper;
 16import android.net.Uri;
 17import android.os.AsyncTask;
 18import android.os.Bundle;
 19import android.preference.PreferenceManager;
 20import android.provider.MediaStore;
 21import android.app.AlertDialog;
 22import android.app.FragmentTransaction;
 23import android.app.PendingIntent;
 24import android.content.Context;
 25import android.content.DialogInterface;
 26import android.content.DialogInterface.OnClickListener;
 27import android.content.IntentSender.SendIntentException;
 28import android.content.Intent;
 29import android.content.SharedPreferences;
 30import android.content.res.Resources;
 31import android.graphics.Bitmap;
 32import android.graphics.Color;
 33import android.graphics.Typeface;
 34import android.graphics.drawable.BitmapDrawable;
 35import android.graphics.drawable.Drawable;
 36import android.support.v4.widget.SlidingPaneLayout;
 37import android.support.v4.widget.SlidingPaneLayout.PanelSlideListener;
 38import android.util.DisplayMetrics;
 39import android.util.Log;
 40import android.view.KeyEvent;
 41import android.view.LayoutInflater;
 42import android.view.Menu;
 43import android.view.MenuItem;
 44import android.view.View;
 45import android.view.ViewGroup;
 46import android.widget.AdapterView;
 47import android.widget.AdapterView.OnItemClickListener;
 48import android.widget.ArrayAdapter;
 49import android.widget.CheckBox;
 50import android.widget.ListView;
 51import android.widget.PopupMenu;
 52import android.widget.PopupMenu.OnMenuItemClickListener;
 53import android.widget.TextView;
 54import android.widget.ImageView;
 55import android.widget.Toast;
 56
 57public class ConversationActivity extends XmppActivity {
 58
 59	public static final String VIEW_CONVERSATION = "viewConversation";
 60	public static final String CONVERSATION = "conversationUuid";
 61	public static final String TEXT = "text";
 62	public static final String PRESENCE = "eu.siacs.conversations.presence";
 63
 64	public static final int REQUEST_SEND_MESSAGE = 0x75441;
 65	public static final int REQUEST_DECRYPT_PGP = 0x76783;
 66	private static final int REQUEST_ATTACH_FILE_DIALOG = 0x48502;
 67	private static final int REQUEST_IMAGE_CAPTURE = 0x33788;
 68	private static final int REQUEST_RECORD_AUDIO = 0x46189;
 69	private static final int REQUEST_SEND_PGP_IMAGE = 0x53883;
 70	public static final int REQUEST_ENCRYPT_MESSAGE = 0x378018;
 71
 72	private static final int ATTACHMENT_CHOICE_CHOOSE_IMAGE = 0x92734;
 73	private static final int ATTACHMENT_CHOICE_TAKE_PHOTO = 0x84123;
 74	private static final int ATTACHMENT_CHOICE_RECORD_VOICE = 0x75291;
 75
 76	protected SlidingPaneLayout spl;
 77
 78	private List<Conversation> conversationList = new ArrayList<Conversation>();
 79	private Conversation selectedConversation = null;
 80	private ListView listView;
 81
 82	private boolean paneShouldBeOpen = true;
 83	private boolean useSubject = true;
 84	private boolean showLastseen = false;
 85	private ArrayAdapter<Conversation> listAdapter;
 86
 87	private OnConversationUpdate onConvChanged = new OnConversationUpdate() {
 88		
 89		@Override
 90		public void onConversationUpdate() {
 91			runOnUiThread(new Runnable() {
 92
 93				@Override
 94				public void run() {
 95					updateConversationList();
 96					if (paneShouldBeOpen) {
 97						if (conversationList.size() >= 1) {
 98							swapConversationFragment();
 99						} else {
100							startActivity(new Intent(getApplicationContext(),
101									StartConversationActivity.class));
102							finish();
103						}
104					}
105					ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
106							.findFragmentByTag("conversation");
107					if (selectedFragment != null) {
108						selectedFragment.updateMessages();
109					}
110				}
111			});
112		}
113	};
114
115	protected ConversationActivity activity = this;
116	private DisplayMetrics metrics;
117	private Toast prepareImageToast;
118
119	public List<Conversation> getConversationList() {
120		return this.conversationList;
121	}
122
123	public Conversation getSelectedConversation() {
124		return this.selectedConversation;
125	}
126
127	public void setSelectedConversation(Conversation conversation) {
128		this.selectedConversation = conversation;
129	}
130
131	public ListView getConversationListView() {
132		return this.listView;
133	}
134
135	public SlidingPaneLayout getSlidingPaneLayout() {
136		return this.spl;
137	}
138
139	public boolean shouldPaneBeOpen() {
140		return paneShouldBeOpen;
141	}
142
143	@Override
144	protected void onCreate(Bundle savedInstanceState) {
145
146		metrics = getResources().getDisplayMetrics();
147
148		super.onCreate(savedInstanceState);
149
150		setContentView(R.layout.fragment_conversations_overview);
151
152		listView = (ListView) findViewById(R.id.list);
153
154		this.listAdapter = new ArrayAdapter<Conversation>(this,
155				R.layout.conversation_list_row, conversationList) {
156			@Override
157			public View getView(int position, View view, ViewGroup parent) {
158				if (view == null) {
159					LayoutInflater inflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
160					view = (View) inflater.inflate(
161							R.layout.conversation_list_row, null);
162				}
163				Conversation conv;
164				if (conversationList.size() > position) {
165					conv = getItem(position);
166				} else {
167					return view;
168				}
169				if (!spl.isSlideable()) {
170					if (conv == getSelectedConversation()) {
171						view.setBackgroundColor(0xffdddddd);
172					} else {
173						view.setBackgroundColor(Color.TRANSPARENT);
174					}
175				} else {
176					view.setBackgroundColor(Color.TRANSPARENT);
177				}
178				TextView convName = (TextView) view
179						.findViewById(R.id.conversation_name);
180				convName.setText(conv.getName(useSubject));
181				TextView convLastMsg = (TextView) view
182						.findViewById(R.id.conversation_lastmsg);
183				ImageView imagePreview = (ImageView) view
184						.findViewById(R.id.conversation_lastimage);
185
186				Message latestMessage = conv.getLatestMessage();
187
188				if (latestMessage.getType() == Message.TYPE_TEXT) {
189					if ((latestMessage.getEncryption() != Message.ENCRYPTION_PGP)
190							&& (latestMessage.getEncryption() != Message.ENCRYPTION_DECRYPTION_FAILED)) {
191						convLastMsg.setText(conv.getLatestMessage().getBody());
192					} else {
193						convLastMsg
194								.setText(getText(R.string.encrypted_message_received));
195					}
196					convLastMsg.setVisibility(View.VISIBLE);
197					imagePreview.setVisibility(View.GONE);
198				} else if (latestMessage.getType() == Message.TYPE_IMAGE) {
199					if (latestMessage.getStatus() >= Message.STATUS_RECIEVED) {
200						convLastMsg.setVisibility(View.GONE);
201						imagePreview.setVisibility(View.VISIBLE);
202						loadBitmap(latestMessage, imagePreview);
203					} else {
204						convLastMsg.setVisibility(View.VISIBLE);
205						imagePreview.setVisibility(View.GONE);
206						if (latestMessage.getStatus() == Message.STATUS_RECEIVED_OFFER) {
207							convLastMsg
208									.setText(getText(R.string.image_offered_for_download));
209						} else if (latestMessage.getStatus() == Message.STATUS_RECIEVING) {
210							convLastMsg
211									.setText(getText(R.string.receiving_image));
212						} else {
213							convLastMsg.setText("");
214						}
215					}
216				}
217
218				if (!conv.isRead()) {
219					convName.setTypeface(null, Typeface.BOLD);
220					convLastMsg.setTypeface(null, Typeface.BOLD);
221				} else {
222					convName.setTypeface(null, Typeface.NORMAL);
223					convLastMsg.setTypeface(null, Typeface.NORMAL);
224				}
225
226				((TextView) view.findViewById(R.id.conversation_lastupdate))
227						.setText(UIHelper.readableTimeDifference(getContext(),
228								conv.getLatestMessage().getTimeSent()));
229
230				ImageView profilePicture = (ImageView) view
231						.findViewById(R.id.conversation_image);
232				profilePicture.setImageBitmap(UIHelper.getContactPicture(conv,
233						56, activity.getApplicationContext(), false));
234
235				return view;
236			}
237
238		};
239
240		listView.setAdapter(this.listAdapter);
241
242		listView.setOnItemClickListener(new OnItemClickListener() {
243
244			@Override
245			public void onItemClick(AdapterView<?> arg0, View clickedView,
246					int position, long arg3) {
247				paneShouldBeOpen = false;
248				if (getSelectedConversation() != conversationList.get(position)) {
249					setSelectedConversation(conversationList.get(position));
250					swapConversationFragment(); // .onBackendConnected(conversationList.get(position));
251				} else {
252					spl.closePane();
253				}
254			}
255		});
256		spl = (SlidingPaneLayout) findViewById(R.id.slidingpanelayout);
257		spl.setParallaxDistance(150);
258		spl.setShadowResource(R.drawable.es_slidingpane_shadow);
259		spl.setSliderFadeColor(0);
260		spl.setPanelSlideListener(new PanelSlideListener() {
261
262			@Override
263			public void onPanelOpened(View arg0) {
264				paneShouldBeOpen = true;
265				getActionBar().setDisplayHomeAsUpEnabled(false);
266				getActionBar().setHomeButtonEnabled(false);
267				getActionBar().setTitle(R.string.app_name);
268				invalidateOptionsMenu();
269				hideKeyboard();
270			}
271
272			@Override
273			public void onPanelClosed(View arg0) {
274				paneShouldBeOpen = false;
275				if ((conversationList.size() > 0)
276						&& (getSelectedConversation() != null)) {
277					getActionBar().setDisplayHomeAsUpEnabled(true);
278					getActionBar().setHomeButtonEnabled(true);
279					getActionBar().setTitle(
280							getSelectedConversation().getName(useSubject));
281					invalidateOptionsMenu();
282					if (!getSelectedConversation().isRead()) {
283						xmppConnectionService
284								.markRead(getSelectedConversation());
285						UIHelper.updateNotification(getApplicationContext(),
286								getConversationList(), null, false);
287						listView.invalidateViews();
288					}
289				}
290			}
291
292			@Override
293			public void onPanelSlide(View arg0, float arg1) {
294				// TODO Auto-generated method stub
295
296			}
297		});
298	}
299
300	@Override
301	public boolean onCreateOptionsMenu(Menu menu) {
302		getMenuInflater().inflate(R.menu.conversations, menu);
303		MenuItem menuSecure = (MenuItem) menu.findItem(R.id.action_security);
304		MenuItem menuArchive = (MenuItem) menu.findItem(R.id.action_archive);
305		MenuItem menuMucDetails = (MenuItem) menu
306				.findItem(R.id.action_muc_details);
307		MenuItem menuContactDetails = (MenuItem) menu
308				.findItem(R.id.action_contact_details);
309		MenuItem menuAttach = (MenuItem) menu.findItem(R.id.action_attach_file);
310		MenuItem menuClearHistory = (MenuItem) menu
311				.findItem(R.id.action_clear_history);
312		MenuItem menuManageAccounts = (MenuItem) menu.findItem(R.id.action_accounts);
313		MenuItem menuSettings = (MenuItem) menu.findItem(R.id.action_settings);
314		MenuItem menuAdd = (MenuItem) menu.findItem(R.id.action_add);
315		MenuItem menuInviteContact = (MenuItem) menu.findItem(R.id.action_invite);
316
317		if ((spl.isOpen() && (spl.isSlideable()))) {
318			menuArchive.setVisible(false);
319			menuMucDetails.setVisible(false);
320			menuContactDetails.setVisible(false);
321			menuSecure.setVisible(false);
322			menuInviteContact.setVisible(false);
323			menuAttach.setVisible(false);
324			menuClearHistory.setVisible(false);
325		} else {
326			menuAdd.setVisible(!spl.isSlideable());
327			menuSettings.setVisible(!spl.isSlideable());
328			menuManageAccounts.setVisible(!spl.isSlideable());
329			if (this.getSelectedConversation() != null) {
330				if (this.getSelectedConversation().getLatestMessage()
331						.getEncryption() != Message.ENCRYPTION_NONE) {
332					menuSecure.setIcon(R.drawable.ic_action_secure);
333				}
334				if (this.getSelectedConversation().getMode() == Conversation.MODE_MULTI) {
335					menuContactDetails.setVisible(false);
336					menuAttach.setVisible(false);
337				} else {
338					menuMucDetails.setVisible(false);
339					menuInviteContact.setVisible(false);
340				}
341			}
342		}
343		return true;
344	}
345
346	private void selectPresenceToAttachFile(final int attachmentChoice) {
347		selectPresence(getSelectedConversation(), new OnPresenceSelected() {
348
349			@Override
350			public void onPresenceSelected() {
351				if (attachmentChoice == ATTACHMENT_CHOICE_TAKE_PHOTO) {
352					Intent takePictureIntent = new Intent(
353							MediaStore.ACTION_IMAGE_CAPTURE);
354					takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT,
355							ImageProvider.getIncomingContentUri());
356					if (takePictureIntent.resolveActivity(getPackageManager()) != null) {
357						startActivityForResult(takePictureIntent,
358								REQUEST_IMAGE_CAPTURE);
359					}
360				} else if (attachmentChoice == ATTACHMENT_CHOICE_CHOOSE_IMAGE) {
361					Intent attachFileIntent = new Intent();
362					attachFileIntent.setType("image/*");
363					attachFileIntent.setAction(Intent.ACTION_GET_CONTENT);
364					Intent chooser = Intent.createChooser(attachFileIntent,
365							getString(R.string.attach_file));
366					startActivityForResult(chooser, REQUEST_ATTACH_FILE_DIALOG);
367				} else if (attachmentChoice == ATTACHMENT_CHOICE_RECORD_VOICE) {
368					Intent intent = new Intent(
369							MediaStore.Audio.Media.RECORD_SOUND_ACTION);
370					startActivityForResult(intent, REQUEST_RECORD_AUDIO);
371				}
372			}
373		});
374	}
375
376	private void attachFile(final int attachmentChoice) {
377		final Conversation conversation = getSelectedConversation();
378		if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
379			if (hasPgp()) {
380				if (conversation.getContact().getPgpKeyId() != 0) {
381					xmppConnectionService.getPgpEngine().hasKey(
382							conversation.getContact(),
383							new UiCallback<Contact>() {
384
385								@Override
386								public void userInputRequried(PendingIntent pi,
387										Contact contact) {
388									ConversationActivity.this.runIntent(pi,
389											attachmentChoice);
390								}
391
392								@Override
393								public void success(Contact contact) {
394									selectPresenceToAttachFile(attachmentChoice);
395								}
396
397								@Override
398								public void error(int error, Contact contact) {
399									displayErrorDialog(error);
400								}
401							});
402				} else {
403					final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
404							.findFragmentByTag("conversation");
405					if (fragment != null) {
406						fragment.showNoPGPKeyDialog(false,
407								new OnClickListener() {
408
409									@Override
410									public void onClick(DialogInterface dialog,
411											int which) {
412										conversation
413												.setNextEncryption(Message.ENCRYPTION_NONE);
414										selectPresenceToAttachFile(attachmentChoice);
415									}
416								});
417					}
418				}
419			} else {
420				showInstallPgpDialog();
421			}
422		} else if (getSelectedConversation().getNextEncryption() == Message.ENCRYPTION_NONE) {
423			selectPresenceToAttachFile(attachmentChoice);
424		} else {
425			selectPresenceToAttachFile(attachmentChoice);
426		}
427	}
428
429	@Override
430	public boolean onOptionsItemSelected(MenuItem item) {
431		switch (item.getItemId()) {
432		case android.R.id.home:
433			spl.openPane();
434			break;
435		case R.id.action_attach_file:
436			View menuAttachFile = findViewById(R.id.action_attach_file);
437			if (menuAttachFile==null) {
438				break;
439			}
440			PopupMenu attachFilePopup = new PopupMenu(this, menuAttachFile);
441			attachFilePopup.inflate(R.menu.attachment_choices);
442			attachFilePopup
443					.setOnMenuItemClickListener(new OnMenuItemClickListener() {
444
445						@Override
446						public boolean onMenuItemClick(MenuItem item) {
447							switch (item.getItemId()) {
448							case R.id.attach_choose_picture:
449								attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
450								break;
451							case R.id.attach_take_picture:
452								attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
453								break;
454							case R.id.attach_record_voice:
455								attachFile(ATTACHMENT_CHOICE_RECORD_VOICE);
456								break;
457							}
458							return false;
459						}
460					});
461			attachFilePopup.show();
462			break;
463		case R.id.action_add:
464			startActivity(new Intent(this, StartConversationActivity.class));
465			break;
466		case R.id.action_archive:
467			this.endConversation(getSelectedConversation());
468			break;
469		case R.id.action_contact_details:
470			Contact contact = this.getSelectedConversation().getContact();
471			if (contact.showInRoster()) {
472				switchToContactDetails(contact);
473			} else {
474				showAddToRosterDialog(getSelectedConversation());
475			}
476			break;
477		case R.id.action_muc_details:
478			Intent intent = new Intent(this, ConferenceDetailsActivity.class);
479			intent.setAction(ConferenceDetailsActivity.ACTION_VIEW_MUC);
480			intent.putExtra("uuid", getSelectedConversation().getUuid());
481			startActivity(intent);
482			break;
483		case R.id.action_invite:
484			inviteToConversation(getSelectedConversation());
485			break;
486		case R.id.action_security:
487			final Conversation conversation = getSelectedConversation();
488			View menuItemView = findViewById(R.id.action_security);
489			if (menuItemView==null) {
490				break;
491			}
492			PopupMenu popup = new PopupMenu(this, menuItemView);
493			final ConversationFragment fragment = (ConversationFragment) getFragmentManager()
494					.findFragmentByTag("conversation");
495			if (fragment != null) {
496				popup.setOnMenuItemClickListener(new OnMenuItemClickListener() {
497
498					@Override
499					public boolean onMenuItemClick(MenuItem item) {
500						switch (item.getItemId()) {
501						case R.id.encryption_choice_none:
502							conversation
503									.setNextEncryption(Message.ENCRYPTION_NONE);
504							item.setChecked(true);
505							break;
506						case R.id.encryption_choice_otr:
507							conversation
508									.setNextEncryption(Message.ENCRYPTION_OTR);
509							item.setChecked(true);
510							break;
511						case R.id.encryption_choice_pgp:
512							if (hasPgp()) {
513								if (conversation.getAccount().getKeys()
514										.has("pgp_signature")) {
515									conversation
516											.setNextEncryption(Message.ENCRYPTION_PGP);
517									item.setChecked(true);
518								} else {
519									announcePgp(conversation.getAccount(),
520											conversation);
521								}
522							} else {
523								showInstallPgpDialog();
524							}
525							break;
526						default:
527							conversation
528									.setNextEncryption(Message.ENCRYPTION_NONE);
529							break;
530						}
531						fragment.updateChatMsgHint();
532						return true;
533					}
534				});
535				popup.inflate(R.menu.encryption_choices);
536				MenuItem otr = popup.getMenu().findItem(
537						R.id.encryption_choice_otr);
538				if (conversation.getMode() == Conversation.MODE_MULTI) {
539					otr.setEnabled(false);
540				}
541				switch (conversation.getNextEncryption()) {
542				case Message.ENCRYPTION_NONE:
543					popup.getMenu().findItem(R.id.encryption_choice_none)
544							.setChecked(true);
545					break;
546				case Message.ENCRYPTION_OTR:
547					otr.setChecked(true);
548					break;
549				case Message.ENCRYPTION_PGP:
550					popup.getMenu().findItem(R.id.encryption_choice_pgp)
551							.setChecked(true);
552					break;
553				default:
554					popup.getMenu().findItem(R.id.encryption_choice_none)
555							.setChecked(true);
556					break;
557				}
558				popup.show();
559			}
560
561			break;
562		case R.id.action_clear_history:
563			clearHistoryDialog(getSelectedConversation());
564			break;
565		default:
566			break;
567		}
568		return super.onOptionsItemSelected(item);
569	}
570
571	private void endConversation(Conversation conversation) {
572		conversation.setStatus(Conversation.STATUS_ARCHIVED);
573		paneShouldBeOpen = true;
574		spl.openPane();
575		xmppConnectionService.archiveConversation(conversation);
576		if (conversationList.size() > 0) {
577			setSelectedConversation(conversationList.get(0));
578		} else {
579			setSelectedConversation(null);
580		}
581	}
582
583	protected void clearHistoryDialog(final Conversation conversation) {
584		AlertDialog.Builder builder = new AlertDialog.Builder(this);
585		builder.setTitle(getString(R.string.clear_conversation_history));
586		View dialogView = getLayoutInflater().inflate(
587				R.layout.dialog_clear_history, null);
588		final CheckBox endConversationCheckBox = (CheckBox) dialogView
589				.findViewById(R.id.end_conversation_checkbox);
590		builder.setView(dialogView);
591		builder.setNegativeButton(getString(R.string.cancel), null);
592		builder.setPositiveButton(getString(R.string.delete_messages),
593				new OnClickListener() {
594
595					@Override
596					public void onClick(DialogInterface dialog, int which) {
597						activity.xmppConnectionService
598								.clearConversationHistory(conversation);
599						if (endConversationCheckBox.isChecked()) {
600							endConversation(conversation);
601						}
602					}
603				});
604		builder.create().show();
605	}
606
607	protected ConversationFragment swapConversationFragment() {
608		ConversationFragment selectedFragment = new ConversationFragment();
609
610		FragmentTransaction transaction = getFragmentManager()
611				.beginTransaction();
612		transaction.replace(R.id.selected_conversation, selectedFragment,
613				"conversation");
614		transaction.commitAllowingStateLoss();
615		return selectedFragment;
616	}
617
618	@Override
619	public boolean onKeyDown(int keyCode, KeyEvent event) {
620		if (keyCode == KeyEvent.KEYCODE_BACK) {
621			if (!spl.isOpen()) {
622				spl.openPane();
623				return false;
624			}
625		}
626		return super.onKeyDown(keyCode, event);
627	}
628
629	@Override
630	protected void onNewIntent(Intent intent) {
631		if ((Intent.ACTION_VIEW.equals(intent.getAction()) && (VIEW_CONVERSATION
632				.equals(intent.getType())))) {
633			String convToView = (String) intent.getExtras().get(CONVERSATION);
634			updateConversationList();
635			for (int i = 0; i < conversationList.size(); ++i) {
636				if (conversationList.get(i).getUuid().equals(convToView)) {
637					setSelectedConversation(conversationList.get(i));
638					break;
639				}
640			}
641			paneShouldBeOpen = false;
642			String text = intent.getExtras().getString(TEXT, null);
643			swapConversationFragment().setText(text);
644		}
645	}
646
647	@Override
648	public void onStart() {
649		super.onStart();
650		SharedPreferences preferences = PreferenceManager
651				.getDefaultSharedPreferences(this);
652		this.useSubject = preferences.getBoolean("use_subject_in_muc", true);
653		this.showLastseen = preferences.getBoolean("show_last_seen", false);
654		if (this.xmppConnectionServiceBound) {
655			this.onBackendConnected();
656		}
657		if (conversationList.size() >= 1) {
658			onConvChanged.onConversationUpdate();
659		}
660	}
661
662	@Override
663	protected void onStop() {
664		if (xmppConnectionServiceBound) {
665			xmppConnectionService.removeOnConversationListChangedListener();
666		}
667		super.onStop();
668	}
669
670	@Override
671	void onBackendConnected() {
672		this.registerListener();
673		if (conversationList.size() == 0) {
674			updateConversationList();
675		}
676
677		if ((getIntent().getAction() != null)
678				&& (getIntent().getAction().equals(Intent.ACTION_VIEW) && (!handledViewIntent))) {
679			if (getIntent().getType().equals(
680					ConversationActivity.VIEW_CONVERSATION)) {
681				handledViewIntent = true;
682
683				String convToView = (String) getIntent().getExtras().get(
684						CONVERSATION);
685
686				for (int i = 0; i < conversationList.size(); ++i) {
687					if (conversationList.get(i).getUuid().equals(convToView)) {
688						setSelectedConversation(conversationList.get(i));
689					}
690				}
691				paneShouldBeOpen = false;
692				String text = getIntent().getExtras().getString(TEXT, null);
693				swapConversationFragment().setText(text);
694			}
695		} else {
696			if (xmppConnectionService.getAccounts().size() == 0) {
697				startActivity(new Intent(this, ManageAccountActivity.class));
698				finish();
699			} else if (conversationList.size() <= 0) {
700				// add no history
701				startActivity(new Intent(this, StartConversationActivity.class));
702				finish();
703			} else {
704				spl.openPane();
705				// find currently loaded fragment
706				ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
707						.findFragmentByTag("conversation");
708				if (selectedFragment != null) {
709					selectedFragment.onBackendConnected();
710				} else {
711					setSelectedConversation(conversationList.get(0));
712					swapConversationFragment();
713				}
714				ExceptionHelper.checkForCrash(this, this.xmppConnectionService);
715			}
716		}
717	}
718
719	public void registerListener() {
720		if (xmppConnectionServiceBound) {
721			xmppConnectionService
722					.setOnConversationListChangedListener(this.onConvChanged);
723		}
724	}
725
726	@Override
727	protected void onActivityResult(int requestCode, int resultCode,
728			final Intent data) {
729		super.onActivityResult(requestCode, resultCode, data);
730		if (resultCode == RESULT_OK) {
731			if (requestCode == REQUEST_DECRYPT_PGP) {
732				ConversationFragment selectedFragment = (ConversationFragment) getFragmentManager()
733						.findFragmentByTag("conversation");
734				if (selectedFragment != null) {
735					selectedFragment.hideSnackbar();
736				}
737			} else if (requestCode == REQUEST_ATTACH_FILE_DIALOG) {
738				attachImageToConversation(getSelectedConversation(),
739						data.getData());
740			} else if (requestCode == REQUEST_SEND_PGP_IMAGE) {
741
742			} else if (requestCode == ATTACHMENT_CHOICE_CHOOSE_IMAGE) {
743				attachFile(ATTACHMENT_CHOICE_CHOOSE_IMAGE);
744			} else if (requestCode == ATTACHMENT_CHOICE_TAKE_PHOTO) {
745				attachFile(ATTACHMENT_CHOICE_TAKE_PHOTO);
746			} else if (requestCode == REQUEST_ANNOUNCE_PGP) {
747				announcePgp(getSelectedConversation().getAccount(),
748						getSelectedConversation());
749			} else if (requestCode == REQUEST_ENCRYPT_MESSAGE) {
750				// encryptTextMessage();
751			} else if (requestCode == REQUEST_IMAGE_CAPTURE) {
752				attachImageToConversation(getSelectedConversation(), null);
753			} else if (requestCode == REQUEST_RECORD_AUDIO) {
754				Log.d("xmppService", data.getData().toString());
755				attachAudioToConversation(getSelectedConversation(),
756						data.getData());
757			} else {
758				Log.d(LOGTAG, "unknown result code:" + requestCode);
759			}
760		}
761	}
762
763	private void attachAudioToConversation(Conversation conversation, Uri uri) {
764
765	}
766
767	private void attachImageToConversation(Conversation conversation, Uri uri) {
768		prepareImageToast = Toast.makeText(getApplicationContext(),
769				getText(R.string.preparing_image), Toast.LENGTH_LONG);
770		prepareImageToast.show();
771		xmppConnectionService.attachImageToConversation(conversation, uri,
772				new UiCallback<Message>() {
773
774					@Override
775					public void userInputRequried(PendingIntent pi,
776							Message object) {
777						hidePrepareImageToast();
778						ConversationActivity.this.runIntent(pi,
779								ConversationActivity.REQUEST_SEND_PGP_IMAGE);
780					}
781
782					@Override
783					public void success(Message message) {
784						xmppConnectionService.sendMessage(message);
785					}
786
787					@Override
788					public void error(int error, Message message) {
789						hidePrepareImageToast();
790						displayErrorDialog(error);
791					}
792				});
793	}
794
795	private void hidePrepareImageToast() {
796		if (prepareImageToast != null) {
797			runOnUiThread(new Runnable() {
798
799				@Override
800				public void run() {
801					prepareImageToast.cancel();
802				}
803			});
804		}
805	}
806
807	public void updateConversationList() {
808		xmppConnectionService.populateWithOrderedConversations(conversationList);
809		listView.invalidateViews();
810	}
811
812	public boolean showLastseen() {
813		if (getSelectedConversation() == null) {
814			return false;
815		} else {
816			return this.showLastseen
817					&& getSelectedConversation().getMode() == Conversation.MODE_SINGLE;
818		}
819	}
820
821	public void runIntent(PendingIntent pi, int requestCode) {
822		try {
823			this.startIntentSenderForResult(pi.getIntentSender(), requestCode,
824					null, 0, 0, 0);
825		} catch (SendIntentException e1) {
826			Log.d("xmppService", "failed to start intent to send message");
827		}
828	}
829
830	class BitmapWorkerTask extends AsyncTask<Message, Void, Bitmap> {
831		private final WeakReference<ImageView> imageViewReference;
832		private Message message = null;
833
834		public BitmapWorkerTask(ImageView imageView) {
835			imageViewReference = new WeakReference<ImageView>(imageView);
836		}
837
838		@Override
839		protected Bitmap doInBackground(Message... params) {
840			message = params[0];
841			try {
842				return xmppConnectionService.getFileBackend().getThumbnail(
843						message, (int) (metrics.density * 288), false);
844			} catch (FileNotFoundException e) {
845				Log.d("xmppService", "file not found!");
846				return null;
847			}
848		}
849
850		@Override
851		protected void onPostExecute(Bitmap bitmap) {
852			if (imageViewReference != null && bitmap != null) {
853				final ImageView imageView = imageViewReference.get();
854				if (imageView != null) {
855					imageView.setImageBitmap(bitmap);
856					imageView.setBackgroundColor(0x00000000);
857				}
858			}
859		}
860	}
861
862	public void loadBitmap(Message message, ImageView imageView) {
863		Bitmap bm;
864		try {
865			bm = xmppConnectionService.getFileBackend().getThumbnail(message,
866					(int) (metrics.density * 288), true);
867		} catch (FileNotFoundException e) {
868			bm = null;
869		}
870		if (bm != null) {
871			imageView.setImageBitmap(bm);
872			imageView.setBackgroundColor(0x00000000);
873		} else {
874			if (cancelPotentialWork(message, imageView)) {
875				imageView.setBackgroundColor(0xff333333);
876				final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
877				final AsyncDrawable asyncDrawable = new AsyncDrawable(
878						getResources(), null, task);
879				imageView.setImageDrawable(asyncDrawable);
880				task.execute(message);
881			}
882		}
883	}
884
885	public static boolean cancelPotentialWork(Message message,
886			ImageView imageView) {
887		final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
888
889		if (bitmapWorkerTask != null) {
890			final Message oldMessage = bitmapWorkerTask.message;
891			if (oldMessage == null || message != oldMessage) {
892				bitmapWorkerTask.cancel(true);
893			} else {
894				return false;
895			}
896		}
897		return true;
898	}
899
900	private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
901		if (imageView != null) {
902			final Drawable drawable = imageView.getDrawable();
903			if (drawable instanceof AsyncDrawable) {
904				final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
905				return asyncDrawable.getBitmapWorkerTask();
906			}
907		}
908		return null;
909	}
910
911	static class AsyncDrawable extends BitmapDrawable {
912		private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
913
914		public AsyncDrawable(Resources res, Bitmap bitmap,
915				BitmapWorkerTask bitmapWorkerTask) {
916			super(res, bitmap);
917			bitmapWorkerTaskReference = new WeakReference<BitmapWorkerTask>(
918					bitmapWorkerTask);
919		}
920
921		public BitmapWorkerTask getBitmapWorkerTask() {
922			return bitmapWorkerTaskReference.get();
923		}
924	}
925
926	public void encryptTextMessage(Message message) {
927		xmppConnectionService.getPgpEngine().encrypt(message,
928				new UiCallback<Message>() {
929
930					@Override
931					public void userInputRequried(PendingIntent pi,
932							Message message) {
933						activity.runIntent(pi,
934								ConversationActivity.REQUEST_SEND_MESSAGE);
935					}
936
937					@Override
938					public void success(Message message) {
939						message.setEncryption(Message.ENCRYPTION_DECRYPTED);
940						xmppConnectionService.sendMessage(message);
941					}
942
943					@Override
944					public void error(int error, Message message) {
945
946					}
947				});
948	}
949}