MessageAdapter.java

  1package eu.siacs.conversations.ui.adapter;
  2
  3import android.content.Intent;
  4import android.content.pm.PackageManager;
  5import android.content.pm.ResolveInfo;
  6import android.graphics.Color;
  7import android.graphics.Typeface;
  8import android.net.Uri;
  9import android.text.Spannable;
 10import android.text.SpannableString;
 11import android.text.Spanned;
 12import android.text.style.ForegroundColorSpan;
 13import android.text.style.RelativeSizeSpan;
 14import android.text.style.StyleSpan;
 15import android.util.DisplayMetrics;
 16import android.view.View;
 17import android.view.View.OnClickListener;
 18import android.view.View.OnLongClickListener;
 19import android.view.ViewGroup;
 20import android.widget.ArrayAdapter;
 21import android.widget.Button;
 22import android.widget.ImageView;
 23import android.widget.LinearLayout;
 24import android.widget.TextView;
 25import android.widget.Toast;
 26
 27import java.util.List;
 28
 29import eu.siacs.conversations.R;
 30import eu.siacs.conversations.crypto.axolotl.SQLiteAxolotlStore;
 31import eu.siacs.conversations.entities.Account;
 32import eu.siacs.conversations.entities.Contact;
 33import eu.siacs.conversations.entities.Conversation;
 34import eu.siacs.conversations.entities.DownloadableFile;
 35import eu.siacs.conversations.entities.Message;
 36import eu.siacs.conversations.entities.Message.FileParams;
 37import eu.siacs.conversations.entities.Transferable;
 38import eu.siacs.conversations.ui.ConversationActivity;
 39import eu.siacs.conversations.utils.GeoHelper;
 40import eu.siacs.conversations.utils.UIHelper;
 41
 42public class MessageAdapter extends ArrayAdapter<Message> {
 43
 44	private static final int SENT = 0;
 45	private static final int RECEIVED = 1;
 46	private static final int STATUS = 2;
 47
 48	private ConversationActivity activity;
 49
 50	private DisplayMetrics metrics;
 51
 52	private OnContactPictureClicked mOnContactPictureClickedListener;
 53	private OnContactPictureLongClicked mOnContactPictureLongClickedListener;
 54
 55	private OnLongClickListener openContextMenu = new OnLongClickListener() {
 56
 57		@Override
 58		public boolean onLongClick(View v) {
 59			v.showContextMenu();
 60			return true;
 61		}
 62	};
 63
 64	public MessageAdapter(ConversationActivity activity, List<Message> messages) {
 65		super(activity, 0, messages);
 66		this.activity = activity;
 67		metrics = getContext().getResources().getDisplayMetrics();
 68	}
 69
 70	public void setOnContactPictureClicked(OnContactPictureClicked listener) {
 71		this.mOnContactPictureClickedListener = listener;
 72	}
 73
 74	public void setOnContactPictureLongClicked(
 75			OnContactPictureLongClicked listener) {
 76		this.mOnContactPictureLongClickedListener = listener;
 77			}
 78
 79	@Override
 80	public int getViewTypeCount() {
 81		return 3;
 82	}
 83
 84	public int getItemViewType(Message message) {
 85		if (message.getType() == Message.TYPE_STATUS) {
 86			return STATUS;
 87		} else if (message.getStatus() <= Message.STATUS_RECEIVED) {
 88			return RECEIVED;
 89		}
 90
 91		return SENT;
 92	}
 93
 94	@Override
 95	public int getItemViewType(int position) {
 96		return this.getItemViewType(getItem(position));
 97	}
 98
 99	private int getMessageTextColor(Message message) {
100		int type = this.getItemViewType(message);
101
102		if (type == SENT) {
103			return activity.getResources().getColor(R.color.black87);
104		} else if (type == RECEIVED) {
105			return activity.getResources().getColor(R.color.white);
106		}
107
108		return activity.getPrimaryTextColor();
109	}
110
111	private void displayStatus(ViewHolder viewHolder, Message message) {
112		String filesize = null;
113		String info = null;
114		boolean error = false;
115		if (viewHolder.indicatorReceived != null) {
116			viewHolder.indicatorReceived.setVisibility(View.GONE);
117		}
118		boolean multiReceived = message.getConversation().getMode() == Conversation.MODE_MULTI
119			&& message.getMergedStatus() <= Message.STATUS_RECEIVED;
120		if (message.getType() == Message.TYPE_IMAGE || message.getType() == Message.TYPE_FILE || message.getTransferable() != null) {
121			FileParams params = message.getFileParams();
122			if (params.size > (1.5 * 1024 * 1024)) {
123				filesize = params.size / (1024 * 1024)+ " MiB";
124			} else if (params.size > 0) {
125				filesize = params.size / 1024 + " KiB";
126			}
127			if (message.getTransferable() != null && message.getTransferable().getStatus() == Transferable.STATUS_FAILED) {
128				error = true;
129			}
130		}
131		switch (message.getMergedStatus()) {
132			case Message.STATUS_WAITING:
133				info = getContext().getString(R.string.waiting);
134				break;
135			case Message.STATUS_UNSEND:
136				Transferable d = message.getTransferable();
137				if (d!=null) {
138					info = getContext().getString(R.string.sending_file,d.getProgress());
139				} else {
140					info = getContext().getString(R.string.sending);
141				}
142				break;
143			case Message.STATUS_OFFERED:
144				info = getContext().getString(R.string.offering);
145				break;
146			case Message.STATUS_SEND_RECEIVED:
147				if (activity.indicateReceived()) {
148					viewHolder.indicatorReceived.setVisibility(View.VISIBLE);
149				}
150				break;
151			case Message.STATUS_SEND_DISPLAYED:
152				if (activity.indicateReceived()) {
153					viewHolder.indicatorReceived.setVisibility(View.VISIBLE);
154				}
155				break;
156			case Message.STATUS_SEND_FAILED:
157				info = getContext().getString(R.string.send_failed);
158				error = true;
159				break;
160			default:
161				if (multiReceived) {
162					info = UIHelper.getMessageDisplayName(message);
163				}
164				break;
165		}
166		if (error) {
167			viewHolder.time.setTextColor(activity.getWarningTextColor());
168		} else {
169			viewHolder.time.setTextColor(this.getMessageTextColor(message));
170		}
171		if (message.getEncryption() == Message.ENCRYPTION_NONE) {
172			viewHolder.indicator.setVisibility(View.GONE);
173		} else {
174			viewHolder.indicator.setVisibility(View.VISIBLE);
175			if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL) {
176				SQLiteAxolotlStore.Trust trust = message.getConversation()
177						.getAccount().getAxolotlService().getFingerprintTrust(
178								message.getAxolotlFingerprint());
179
180				if(trust == null || trust != SQLiteAxolotlStore.Trust.TRUSTED) {
181					viewHolder.indicator.setColorFilter(Color.RED);
182				} else {
183					viewHolder.indicator.clearColorFilter();
184				}
185			}
186		}
187
188		String formatedTime = UIHelper.readableTimeDifferenceFull(getContext(),
189				message.getMergedTimeSent());
190		if (message.getStatus() <= Message.STATUS_RECEIVED) {
191			if ((filesize != null) && (info != null)) {
192				viewHolder.time.setText(formatedTime + " \u00B7 " + filesize +" \u00B7 " + info);
193			} else if ((filesize == null) && (info != null)) {
194				viewHolder.time.setText(formatedTime + " \u00B7 " + info);
195			} else if ((filesize != null) && (info == null)) {
196				viewHolder.time.setText(formatedTime + " \u00B7 " + filesize);
197			} else {
198				viewHolder.time.setText(formatedTime);
199			}
200		} else {
201			if ((filesize != null) && (info != null)) {
202				viewHolder.time.setText(filesize + " \u00B7 " + info);
203			} else if ((filesize == null) && (info != null)) {
204				if (error) {
205					viewHolder.time.setText(info + " \u00B7 " + formatedTime);
206				} else {
207					viewHolder.time.setText(info);
208				}
209			} else if ((filesize != null) && (info == null)) {
210				viewHolder.time.setText(filesize + " \u00B7 " + formatedTime);
211			} else {
212				viewHolder.time.setText(formatedTime);
213			}
214		}
215	}
216
217	private void displayInfoMessage(ViewHolder viewHolder, String text) {
218		if (viewHolder.download_button != null) {
219			viewHolder.download_button.setVisibility(View.GONE);
220		}
221		viewHolder.image.setVisibility(View.GONE);
222		viewHolder.messageBody.setVisibility(View.VISIBLE);
223		viewHolder.messageBody.setText(text);
224		viewHolder.messageBody.setTextColor(activity.getSecondaryTextColor());
225		viewHolder.messageBody.setTypeface(null, Typeface.ITALIC);
226		viewHolder.messageBody.setTextIsSelectable(false);
227	}
228
229	private void displayDecryptionFailed(ViewHolder viewHolder) {
230		if (viewHolder.download_button != null) {
231			viewHolder.download_button.setVisibility(View.GONE);
232		}
233		viewHolder.image.setVisibility(View.GONE);
234		viewHolder.messageBody.setVisibility(View.VISIBLE);
235		viewHolder.messageBody.setText(getContext().getString(
236				R.string.decryption_failed));
237		viewHolder.messageBody.setTextColor(activity.getWarningTextColor());
238		viewHolder.messageBody.setTypeface(null, Typeface.NORMAL);
239		viewHolder.messageBody.setTextIsSelectable(false);
240	}
241
242	private void displayHeartMessage(final ViewHolder viewHolder, final String body) {
243		if (viewHolder.download_button != null) {
244			viewHolder.download_button.setVisibility(View.GONE);
245		}
246		viewHolder.image.setVisibility(View.GONE);
247		viewHolder.messageBody.setVisibility(View.VISIBLE);
248		viewHolder.messageBody.setIncludeFontPadding(false);
249		Spannable span = new SpannableString(body);
250		span.setSpan(new RelativeSizeSpan(4.0f), 0, body.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
251		span.setSpan(new ForegroundColorSpan(activity.getWarningTextColor()), 0, body.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
252		viewHolder.messageBody.setText(span);
253	}
254
255	private void displayTextMessage(final ViewHolder viewHolder, final Message message) {
256		if (viewHolder.download_button != null) {
257			viewHolder.download_button.setVisibility(View.GONE);
258		}
259		viewHolder.image.setVisibility(View.GONE);
260		viewHolder.messageBody.setVisibility(View.VISIBLE);
261		viewHolder.messageBody.setIncludeFontPadding(true);
262		if (message.getBody() != null) {
263			final String nick = UIHelper.getMessageDisplayName(message);
264			final String body = message.getMergedBody().replaceAll("^" + Message.ME_COMMAND,nick + " ");
265			final SpannableString formattedBody = new SpannableString(body);
266			int i = body.indexOf(Message.MERGE_SEPARATOR);
267			while(i >= 0) {
268				final int end = i + Message.MERGE_SEPARATOR.length();
269				formattedBody.setSpan(new RelativeSizeSpan(0.3f),i,end,Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
270				i = body.indexOf(Message.MERGE_SEPARATOR,end);
271			}
272			if (message.getType() != Message.TYPE_PRIVATE) {
273				if (message.hasMeCommand()) {
274					final Spannable span = new SpannableString(formattedBody);
275					span.setSpan(new StyleSpan(Typeface.BOLD_ITALIC), 0, nick.length(),
276							Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
277					viewHolder.messageBody.setText(span);
278				} else {
279					viewHolder.messageBody.setText(formattedBody);
280				}
281			} else {
282				String privateMarker;
283				if (message.getStatus() <= Message.STATUS_RECEIVED) {
284					privateMarker = activity
285						.getString(R.string.private_message);
286				} else {
287					final String to;
288					if (message.getCounterpart() != null) {
289						to = message.getCounterpart().getResourcepart();
290					} else {
291						to = "";
292					}
293					privateMarker = activity.getString(R.string.private_message_to, to);
294				}
295				final Spannable span = new SpannableString(privateMarker + " "
296						+ formattedBody);
297				span.setSpan(new ForegroundColorSpan(activity
298							.getSecondaryTextColor()), 0, privateMarker
299						.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
300				span.setSpan(new StyleSpan(Typeface.BOLD), 0,
301						privateMarker.length(),
302						Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
303				if (message.hasMeCommand()) {
304					span.setSpan(new StyleSpan(Typeface.BOLD_ITALIC), privateMarker.length() + 1,
305							privateMarker.length() + 1 + nick.length(),
306							Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
307				}
308				viewHolder.messageBody.setText(span);
309			}
310		} else {
311			viewHolder.messageBody.setText("");
312		}
313		viewHolder.messageBody.setTextColor(this.getMessageTextColor(message));
314		viewHolder.messageBody.setTypeface(null, Typeface.NORMAL);
315		viewHolder.messageBody.setTextIsSelectable(true);
316	}
317
318	private void displayDownloadableMessage(ViewHolder viewHolder,
319			final Message message, String text) {
320		viewHolder.image.setVisibility(View.GONE);
321		viewHolder.messageBody.setVisibility(View.GONE);
322		viewHolder.download_button.setVisibility(View.VISIBLE);
323		viewHolder.download_button.setText(text);
324		viewHolder.download_button.setOnClickListener(new OnClickListener() {
325
326			@Override
327			public void onClick(View v) {
328				startDownloadable(message);
329			}
330		});
331		viewHolder.download_button.setOnLongClickListener(openContextMenu);
332	}
333
334	private void displayOpenableMessage(ViewHolder viewHolder,final Message message) {
335		viewHolder.image.setVisibility(View.GONE);
336		viewHolder.messageBody.setVisibility(View.GONE);
337		viewHolder.download_button.setVisibility(View.VISIBLE);
338		viewHolder.download_button.setText(activity.getString(R.string.open_x_file, UIHelper.getFileDescriptionString(activity, message)));
339		viewHolder.download_button.setOnClickListener(new OnClickListener() {
340
341			@Override
342			public void onClick(View v) {
343				openDownloadable(message);
344			}
345		});
346		viewHolder.download_button.setOnLongClickListener(openContextMenu);
347	}
348
349	private void displayLocationMessage(ViewHolder viewHolder, final Message message) {
350		viewHolder.image.setVisibility(View.GONE);
351		viewHolder.messageBody.setVisibility(View.GONE);
352		viewHolder.download_button.setVisibility(View.VISIBLE);
353		viewHolder.download_button.setText(R.string.show_location);
354		viewHolder.download_button.setOnClickListener(new OnClickListener() {
355
356			@Override
357			public void onClick(View v) {
358				showLocation(message);
359			}
360		});
361		viewHolder.download_button.setOnLongClickListener(openContextMenu);
362	}
363
364	private void displayImageMessage(ViewHolder viewHolder,
365			final Message message) {
366		if (viewHolder.download_button != null) {
367			viewHolder.download_button.setVisibility(View.GONE);
368		}
369		viewHolder.messageBody.setVisibility(View.GONE);
370		viewHolder.image.setVisibility(View.VISIBLE);
371		FileParams params = message.getFileParams();
372		double target = metrics.density * 288;
373		int scalledW;
374		int scalledH;
375		if (params.width <= params.height) {
376			scalledW = (int) (params.width / ((double) params.height / target));
377			scalledH = (int) target;
378		} else {
379			scalledW = (int) target;
380			scalledH = (int) (params.height / ((double) params.width / target));
381		}
382		LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(scalledW, scalledH);
383		layoutParams.setMargins(0, (int)(metrics.density * 4), 0, (int)(metrics.density * 4));
384		viewHolder.image.setLayoutParams(layoutParams);
385		activity.loadBitmap(message, viewHolder.image);
386		viewHolder.image.setOnClickListener(new OnClickListener() {
387
388			@Override
389			public void onClick(View v) {
390				Intent intent = new Intent(Intent.ACTION_VIEW);
391				intent.setDataAndType(activity.xmppConnectionService
392						.getFileBackend().getJingleFileUri(message), "image/*");
393				getContext().startActivity(intent);
394			}
395		});
396		viewHolder.image.setOnLongClickListener(openContextMenu);
397	}
398
399	@Override
400	public View getView(int position, View view, ViewGroup parent) {
401		final Message message = getItem(position);
402		final Conversation conversation = message.getConversation();
403		final Account account = conversation.getAccount();
404		final int type = getItemViewType(position);
405		ViewHolder viewHolder;
406		if (view == null) {
407			viewHolder = new ViewHolder();
408			switch (type) {
409				case SENT:
410					view = activity.getLayoutInflater().inflate(
411							R.layout.message_sent, parent, false);
412					viewHolder.message_box = (LinearLayout) view
413						.findViewById(R.id.message_box);
414					viewHolder.contact_picture = (ImageView) view
415						.findViewById(R.id.message_photo);
416					viewHolder.download_button = (Button) view
417						.findViewById(R.id.download_button);
418					viewHolder.indicator = (ImageView) view
419						.findViewById(R.id.security_indicator);
420					viewHolder.image = (ImageView) view
421						.findViewById(R.id.message_image);
422					viewHolder.messageBody = (TextView) view
423						.findViewById(R.id.message_body);
424					viewHolder.time = (TextView) view
425						.findViewById(R.id.message_time);
426					viewHolder.indicatorReceived = (ImageView) view
427						.findViewById(R.id.indicator_received);
428					break;
429				case RECEIVED:
430					view = activity.getLayoutInflater().inflate(
431							R.layout.message_received, parent, false);
432					viewHolder.message_box = (LinearLayout) view
433						.findViewById(R.id.message_box);
434					viewHolder.contact_picture = (ImageView) view
435						.findViewById(R.id.message_photo);
436					viewHolder.download_button = (Button) view
437						.findViewById(R.id.download_button);
438					viewHolder.indicator = (ImageView) view
439						.findViewById(R.id.security_indicator);
440					viewHolder.image = (ImageView) view
441						.findViewById(R.id.message_image);
442					viewHolder.messageBody = (TextView) view
443						.findViewById(R.id.message_body);
444					viewHolder.time = (TextView) view
445						.findViewById(R.id.message_time);
446					viewHolder.indicatorReceived = (ImageView) view
447						.findViewById(R.id.indicator_received);
448					break;
449				case STATUS:
450					view = activity.getLayoutInflater().inflate(R.layout.message_status, parent, false);
451					viewHolder.contact_picture = (ImageView) view.findViewById(R.id.message_photo);
452					viewHolder.status_message = (TextView) view.findViewById(R.id.status_message);
453					break;
454				default:
455					viewHolder = null;
456					break;
457			}
458			view.setTag(viewHolder);
459		} else {
460			viewHolder = (ViewHolder) view.getTag();
461			if (viewHolder == null) {
462				return view;
463			}
464		}
465
466		if (type == STATUS) {
467			if (conversation.getMode() == Conversation.MODE_SINGLE) {
468				viewHolder.contact_picture.setImageBitmap(activity
469						.avatarService().get(conversation.getContact(),
470							activity.getPixel(32)));
471				viewHolder.contact_picture.setAlpha(0.5f);
472				viewHolder.status_message.setText(message.getBody());
473			}
474			return view;
475		} else if (type == RECEIVED) {
476			Contact contact = message.getContact();
477			if (contact != null) {
478				viewHolder.contact_picture.setImageBitmap(activity.avatarService().get(contact, activity.getPixel(48)));
479			} else if (conversation.getMode() == Conversation.MODE_MULTI) {
480				viewHolder.contact_picture.setImageBitmap(activity.avatarService().get(
481						UIHelper.getMessageDisplayName(message),
482						activity.getPixel(48)));
483			}
484		} else if (type == SENT) {
485			viewHolder.contact_picture.setImageBitmap(activity.avatarService().get(account, activity.getPixel(48)));
486		}
487
488		viewHolder.contact_picture
489			.setOnClickListener(new OnClickListener() {
490
491				@Override
492				public void onClick(View v) {
493					if (MessageAdapter.this.mOnContactPictureClickedListener != null) {
494						MessageAdapter.this.mOnContactPictureClickedListener
495							.onContactPictureClicked(message);
496					}
497
498				}
499			});
500		viewHolder.contact_picture
501			.setOnLongClickListener(new OnLongClickListener() {
502
503				@Override
504				public boolean onLongClick(View v) {
505					if (MessageAdapter.this.mOnContactPictureLongClickedListener != null) {
506						MessageAdapter.this.mOnContactPictureLongClickedListener
507							.onContactPictureLongClicked(message);
508						return true;
509					} else {
510						return false;
511					}
512				}
513			});
514
515		final Transferable transferable = message.getTransferable();
516		if (transferable != null && transferable.getStatus() != Transferable.STATUS_UPLOADING) {
517			if (transferable.getStatus() == Transferable.STATUS_OFFER) {
518				displayDownloadableMessage(viewHolder,message,activity.getString(R.string.download_x_file, UIHelper.getFileDescriptionString(activity, message)));
519			} else if (transferable.getStatus() == Transferable.STATUS_OFFER_CHECK_FILESIZE) {
520				displayDownloadableMessage(viewHolder, message, activity.getString(R.string.check_x_filesize, UIHelper.getFileDescriptionString(activity, message)));
521			} else {
522				displayInfoMessage(viewHolder, UIHelper.getMessagePreview(activity, message).first);
523			}
524		} else if (message.getType() == Message.TYPE_IMAGE && message.getEncryption() != Message.ENCRYPTION_PGP && message.getEncryption() != Message.ENCRYPTION_DECRYPTION_FAILED) {
525			displayImageMessage(viewHolder, message);
526		} else if (message.getType() == Message.TYPE_FILE && message.getEncryption() != Message.ENCRYPTION_PGP && message.getEncryption() != Message.ENCRYPTION_DECRYPTION_FAILED) {
527			if (message.getFileParams().width > 0) {
528				displayImageMessage(viewHolder,message);
529			} else {
530				displayOpenableMessage(viewHolder, message);
531			}
532		} else if (message.getEncryption() == Message.ENCRYPTION_PGP) {
533			if (activity.hasPgp()) {
534				displayInfoMessage(viewHolder,activity.getString(R.string.encrypted_message));
535			} else {
536				displayInfoMessage(viewHolder,
537						activity.getString(R.string.install_openkeychain));
538				if (viewHolder != null) {
539					viewHolder.message_box
540						.setOnClickListener(new OnClickListener() {
541
542							@Override
543							public void onClick(View v) {
544								activity.showInstallPgpDialog();
545							}
546						});
547				}
548			}
549		} else if (message.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED) {
550			displayDecryptionFailed(viewHolder);
551		} else {
552			if (GeoHelper.isGeoUri(message.getBody())) {
553				displayLocationMessage(viewHolder,message);
554			} else if (message.bodyIsHeart()) {
555				displayHeartMessage(viewHolder, message.getBody().trim());
556			} else if (message.treatAsDownloadable() == Message.Decision.MUST) {
557				displayDownloadableMessage(viewHolder, message, activity.getString(R.string.check_x_filesize, UIHelper.getFileDescriptionString(activity, message)));
558			} else {
559				displayTextMessage(viewHolder, message);
560			}
561		}
562
563		if (type == RECEIVED) {
564			boolean wasEncrypted = false;
565			for (Message iterator = message.prev(); iterator != null; iterator = iterator.prev()){
566				if (iterator.getEncryption() != Message.ENCRYPTION_NONE) {
567					wasEncrypted = true;
568					break;
569				}
570				if (!iterator.isCarbon() && iterator.getType() == SENT) {
571					break;
572				}
573			}
574			boolean willBeEncrypted = conversation.getNextEncryption(false) != Message.ENCRYPTION_NONE;
575			for (Message iterator = message.next(); iterator != null; iterator = iterator.next()){
576				if (iterator.getEncryption() != Message.ENCRYPTION_NONE) {
577					willBeEncrypted = true;
578					break;
579				}
580				if (!iterator.isCarbon() && iterator.getType() == SENT) {
581					break;
582				}
583			}
584
585			if ( willBeEncrypted && wasEncrypted
586					&& message.getEncryption() == Message.ENCRYPTION_NONE) {
587				viewHolder.message_box.setBackgroundResource(R.drawable.message_bubble_received_warning);
588			} else {
589				viewHolder.message_box.setBackgroundResource(R.drawable.message_bubble_received);
590			}
591		}
592
593		displayStatus(viewHolder, message);
594
595		return view;
596	}
597
598	public void startDownloadable(Message message) {
599		Transferable transferable = message.getTransferable();
600		if (transferable != null) {
601			if (!transferable.start()) {
602				Toast.makeText(activity, R.string.not_connected_try_again,
603						Toast.LENGTH_SHORT).show();
604			}
605		} else if (message.treatAsDownloadable() != Message.Decision.NEVER) {
606			activity.xmppConnectionService.getHttpConnectionManager().createNewDownloadConnection(message,true);
607		}
608	}
609
610	public void openDownloadable(Message message) {
611		DownloadableFile file = activity.xmppConnectionService.getFileBackend().getFile(message);
612		if (!file.exists()) {
613			Toast.makeText(activity,R.string.file_deleted,Toast.LENGTH_SHORT).show();
614			return;
615		}
616		Intent openIntent = new Intent(Intent.ACTION_VIEW);
617		openIntent.setDataAndType(Uri.fromFile(file), file.getMimeType());
618		PackageManager manager = activity.getPackageManager();
619		List<ResolveInfo> infos = manager.queryIntentActivities(openIntent, 0);
620		if (infos.size() > 0) {
621			getContext().startActivity(openIntent);
622		} else {
623			Toast.makeText(activity,R.string.no_application_found_to_open_file,Toast.LENGTH_SHORT).show();
624		}
625	}
626
627	public void showLocation(Message message) {
628		for(Intent intent : GeoHelper.createGeoIntentsFromMessage(message)) {
629			if (intent.resolveActivity(getContext().getPackageManager()) != null) {
630				getContext().startActivity(intent);
631				return;
632			}
633		}
634		Toast.makeText(activity,R.string.no_application_found_to_display_location,Toast.LENGTH_SHORT).show();
635	}
636
637	public interface OnContactPictureClicked {
638		public void onContactPictureClicked(Message message);
639	}
640
641	public interface OnContactPictureLongClicked {
642		public void onContactPictureLongClicked(Message message);
643	}
644
645	private static class ViewHolder {
646
647		protected LinearLayout message_box;
648		protected Button download_button;
649		protected ImageView image;
650		protected ImageView indicator;
651		protected ImageView indicatorReceived;
652		protected TextView time;
653		protected TextView messageBody;
654		protected ImageView contact_picture;
655		protected TextView status_message;
656	}
657}