MessageAdapter.java

  1package eu.siacs.conversations.ui.adapter;
  2
  3import java.util.List;
  4
  5import eu.siacs.conversations.Config;
  6import eu.siacs.conversations.R;
  7import eu.siacs.conversations.entities.Contact;
  8import eu.siacs.conversations.entities.Conversation;
  9import eu.siacs.conversations.entities.Downloadable;
 10import eu.siacs.conversations.entities.Message;
 11import eu.siacs.conversations.entities.Message.ImageParams;
 12import eu.siacs.conversations.ui.ConversationActivity;
 13import eu.siacs.conversations.utils.UIHelper;
 14import android.content.Intent;
 15import android.graphics.Typeface;
 16import android.text.Spannable;
 17import android.text.SpannableString;
 18import android.text.style.ForegroundColorSpan;
 19import android.text.style.StyleSpan;
 20import android.util.DisplayMetrics;
 21import android.view.View;
 22import android.view.ViewGroup;
 23import android.view.View.OnClickListener;
 24import android.view.View.OnLongClickListener;
 25import android.widget.ArrayAdapter;
 26import android.widget.Button;
 27import android.widget.ImageView;
 28import android.widget.LinearLayout;
 29import android.widget.TextView;
 30import android.widget.Toast;
 31
 32public class MessageAdapter extends ArrayAdapter<Message> {
 33
 34	private static final int SENT = 0;
 35	private static final int RECEIVED = 1;
 36	private static final int STATUS = 2;
 37	private static final int NULL = 3;
 38
 39	private ConversationActivity activity;
 40
 41	private DisplayMetrics metrics;
 42
 43	private OnContactPictureClicked mOnContactPictureClickedListener;
 44	private OnContactPictureLongClicked mOnContactPictureLongClickedListener;
 45
 46	private OnLongClickListener openContextMenu = new OnLongClickListener() {
 47		
 48		@Override
 49		public boolean onLongClick(View v) {
 50			v.showContextMenu();
 51			return true;
 52		}
 53	};
 54	
 55	public MessageAdapter(ConversationActivity activity, List<Message> messages) {
 56		super(activity, 0, messages);
 57		this.activity = activity;
 58		metrics = getContext().getResources().getDisplayMetrics();
 59	}
 60
 61	public void setOnContactPictureClicked(OnContactPictureClicked listener) {
 62		this.mOnContactPictureClickedListener = listener;
 63	}
 64
 65	public void setOnContactPictureLongClicked(
 66			OnContactPictureLongClicked listener) {
 67		this.mOnContactPictureLongClickedListener = listener;
 68	}
 69
 70	@Override
 71	public int getViewTypeCount() {
 72		return 4;
 73	}
 74
 75	@Override
 76	public int getItemViewType(int position) {
 77		if (getItem(position).wasMergedIntoPrevious()) {
 78			return NULL;
 79		} else if (getItem(position).getType() == Message.TYPE_STATUS) {
 80			return STATUS;
 81		} else if (getItem(position).getStatus() <= Message.STATUS_RECEIVED) {
 82			return RECEIVED;
 83		} else {
 84			return SENT;
 85		}
 86	}
 87
 88	private void displayStatus(ViewHolder viewHolder, Message message) {
 89		String filesize = null;
 90		String info = null;
 91		boolean error = false;
 92		if (viewHolder.indicatorReceived != null) {
 93			viewHolder.indicatorReceived.setVisibility(View.GONE);
 94		}
 95		boolean multiReceived = message.getConversation().getMode() == Conversation.MODE_MULTI
 96				&& message.getMergedStatus() <= Message.STATUS_RECEIVED;
 97		if (message.getType() == Message.TYPE_IMAGE
 98				|| message.getDownloadable() != null) {
 99			ImageParams params = message.getImageParams();
100			if (params.size != 0) {
101				filesize = params.size / 1024 + " KB";
102			}
103			if (message.getDownloadable() != null && message.getDownloadable().getStatus() == Downloadable.STATUS_FAILED) {
104				error = true;
105			}
106		}
107		switch (message.getMergedStatus()) {
108		case Message.STATUS_WAITING:
109			info = getContext().getString(R.string.waiting);
110			break;
111		case Message.STATUS_UNSEND:
112			info = getContext().getString(R.string.sending);
113			break;
114		case Message.STATUS_OFFERED:
115			info = getContext().getString(R.string.offering);
116			break;
117		case Message.STATUS_SEND_RECEIVED:
118			if (activity.indicateReceived()) {
119				viewHolder.indicatorReceived.setVisibility(View.VISIBLE);
120			}
121			break;
122		case Message.STATUS_SEND_DISPLAYED:
123			if (activity.indicateReceived()) {
124				viewHolder.indicatorReceived.setVisibility(View.VISIBLE);
125			}
126			break;
127		case Message.STATUS_SEND_FAILED:
128			info = getContext().getString(R.string.send_failed);
129			error = true;
130			break;
131		default:
132			if (multiReceived) {
133				Contact contact = message.getContact();
134				if (contact != null) {
135					info = contact.getDisplayName();
136				} else {
137					if (message.getPresence() != null) {
138						info = message.getPresence();
139					} else {
140						info = message.getCounterpart();
141					}
142				}
143			}
144			break;
145		}
146		if (error) {
147			viewHolder.time.setTextColor(activity.getWarningTextColor());
148		} else {
149			viewHolder.time.setTextColor(activity.getSecondaryTextColor());
150		}
151		if (message.getEncryption() == Message.ENCRYPTION_NONE) {
152			viewHolder.indicator.setVisibility(View.GONE);
153		} else {
154			viewHolder.indicator.setVisibility(View.VISIBLE);
155		}
156
157		String formatedTime = UIHelper.readableTimeDifferenceFull(getContext(),
158				message.getMergedTimeSent());
159		if (message.getStatus() <= Message.STATUS_RECEIVED) {
160			if ((filesize != null) && (info != null)) {
161				viewHolder.time.setText(filesize + " \u00B7 " + info);
162			} else if ((filesize == null) && (info != null)) {
163				viewHolder.time.setText(formatedTime + " \u00B7 " + info);
164			} else if ((filesize != null) && (info == null)) {
165				viewHolder.time.setText(formatedTime + " \u00B7 " + filesize);
166			} else {
167				viewHolder.time.setText(formatedTime);
168			}
169		} else {
170			if ((filesize != null) && (info != null)) {
171				viewHolder.time.setText(filesize + " \u00B7 " + info);
172			} else if ((filesize == null) && (info != null)) {
173				if (error) {
174					viewHolder.time.setText(info + " \u00B7 " + formatedTime);
175				} else {
176					viewHolder.time.setText(info);
177				}
178			} else if ((filesize != null) && (info == null)) {
179				viewHolder.time.setText(filesize + " \u00B7 " + formatedTime);
180			} else {
181				viewHolder.time.setText(formatedTime);
182			}
183		}
184	}
185
186	private void displayInfoMessage(ViewHolder viewHolder, int r) {
187		if (viewHolder.download_button != null) {
188			viewHolder.download_button.setVisibility(View.GONE);
189		}
190		viewHolder.image.setVisibility(View.GONE);
191		viewHolder.messageBody.setVisibility(View.VISIBLE);
192		viewHolder.messageBody.setText(getContext().getString(r));
193		viewHolder.messageBody.setTextColor(activity.getSecondaryTextColor());
194		viewHolder.messageBody.setTypeface(null, Typeface.ITALIC);
195		viewHolder.messageBody.setTextIsSelectable(false);
196	}
197
198	private void displayDecryptionFailed(ViewHolder viewHolder) {
199		if (viewHolder.download_button != null) {
200			viewHolder.download_button.setVisibility(View.GONE);
201		}
202		viewHolder.image.setVisibility(View.GONE);
203		viewHolder.messageBody.setVisibility(View.VISIBLE);
204		viewHolder.messageBody.setText(getContext().getString(
205				R.string.decryption_failed));
206		viewHolder.messageBody.setTextColor(activity.getWarningTextColor());
207		viewHolder.messageBody.setTypeface(null, Typeface.NORMAL);
208		viewHolder.messageBody.setTextIsSelectable(false);
209	}
210
211	private void displayTextMessage(ViewHolder viewHolder, Message message) {
212		if (viewHolder.download_button != null) {
213			viewHolder.download_button.setVisibility(View.GONE);
214		}
215		viewHolder.image.setVisibility(View.GONE);
216		viewHolder.messageBody.setVisibility(View.VISIBLE);
217		if (message.getBody() != null) {
218			if (message.getType() != Message.TYPE_PRIVATE) {
219				String body = Config.PARSE_EMOTICONS ? UIHelper
220						.transformAsciiEmoticons(message.getMergedBody())
221						: message.getMergedBody();
222				viewHolder.messageBody.setText(body);
223			} else {
224				String privateMarker;
225				if (message.getStatus() <= Message.STATUS_RECEIVED) {
226					privateMarker = activity
227							.getString(R.string.private_message);
228				} else {
229					String to;
230					if (message.getPresence() != null) {
231						to = message.getPresence();
232					} else {
233						to = message.getCounterpart();
234					}
235					privateMarker = activity.getString(
236							R.string.private_message_to, to);
237				}
238				SpannableString span = new SpannableString(privateMarker + " "
239						+ message.getBody());
240				span.setSpan(
241						new ForegroundColorSpan(activity
242								.getSecondaryTextColor()), 0, privateMarker
243								.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
244				span.setSpan(new StyleSpan(android.graphics.Typeface.BOLD), 0,
245						privateMarker.length(),
246						Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
247				viewHolder.messageBody.setText(span);
248			}
249		} else {
250			viewHolder.messageBody.setText("");
251		}
252		viewHolder.messageBody.setTextColor(activity.getPrimaryTextColor());
253		viewHolder.messageBody.setTypeface(null, Typeface.NORMAL);
254		viewHolder.messageBody.setTextIsSelectable(true);
255	}
256
257	private void displayDownloadableMessage(ViewHolder viewHolder,
258			final Message message, int resid) {
259		viewHolder.image.setVisibility(View.GONE);
260		viewHolder.messageBody.setVisibility(View.GONE);
261		viewHolder.download_button.setVisibility(View.VISIBLE);
262		viewHolder.download_button.setText(resid);
263		viewHolder.download_button.setOnClickListener(new OnClickListener() {
264
265			@Override
266			public void onClick(View v) {
267				startDonwloadable(message);
268			}
269		});
270		viewHolder.download_button.setOnLongClickListener(openContextMenu);
271	}
272
273	private void displayImageMessage(ViewHolder viewHolder,
274			final Message message) {
275		if (viewHolder.download_button != null) {
276			viewHolder.download_button.setVisibility(View.GONE);
277		}
278		viewHolder.messageBody.setVisibility(View.GONE);
279		viewHolder.image.setVisibility(View.VISIBLE);
280		ImageParams params = message.getImageParams();
281		double target = metrics.density * 288;
282		int scalledW;
283		int scalledH;
284		if (params.width <= params.height) {
285			scalledW = (int) (params.width / ((double) params.height / target));
286			scalledH = (int) target;
287		} else {
288			scalledW = (int) target;
289			scalledH = (int) (params.height / ((double) params.width / target));
290		}
291		viewHolder.image.setLayoutParams(new LinearLayout.LayoutParams(
292				scalledW, scalledH));
293		activity.loadBitmap(message, viewHolder.image);
294		viewHolder.image.setOnClickListener(new OnClickListener() {
295
296			@Override
297			public void onClick(View v) {
298				Intent intent = new Intent(Intent.ACTION_VIEW);
299				intent.setDataAndType(activity.xmppConnectionService
300						.getFileBackend().getJingleFileUri(message), "image/*");
301				getContext().startActivity(intent);
302			}
303		});
304		viewHolder.image.setOnLongClickListener(openContextMenu);
305	}
306
307	@Override
308	public View getView(int position, View view, ViewGroup parent) {
309		final Message item = getItem(position);
310		int type = getItemViewType(position);
311		ViewHolder viewHolder;
312		if (view == null) {
313			viewHolder = new ViewHolder();
314			switch (type) {
315			case NULL:
316				view = activity.getLayoutInflater().inflate(
317						R.layout.message_null, parent, false);
318				break;
319			case SENT:
320				view = activity.getLayoutInflater().inflate(
321						R.layout.message_sent, parent, false);
322				viewHolder.message_box = (LinearLayout) view
323						.findViewById(R.id.message_box);
324				viewHolder.contact_picture = (ImageView) view
325						.findViewById(R.id.message_photo);
326				viewHolder.contact_picture.setImageBitmap(activity
327						.avatarService().get(
328								item.getConversation().getAccount(),
329								activity.getPixel(48)));
330				viewHolder.download_button = (Button) view
331						.findViewById(R.id.download_button);
332				viewHolder.indicator = (ImageView) view
333						.findViewById(R.id.security_indicator);
334				viewHolder.image = (ImageView) view
335						.findViewById(R.id.message_image);
336				viewHolder.messageBody = (TextView) view
337						.findViewById(R.id.message_body);
338				viewHolder.time = (TextView) view
339						.findViewById(R.id.message_time);
340				viewHolder.indicatorReceived = (ImageView) view
341						.findViewById(R.id.indicator_received);
342				view.setTag(viewHolder);
343				break;
344			case RECEIVED:
345				view = activity.getLayoutInflater().inflate(
346						R.layout.message_received, parent, false);
347				viewHolder.message_box = (LinearLayout) view
348						.findViewById(R.id.message_box);
349				viewHolder.contact_picture = (ImageView) view
350						.findViewById(R.id.message_photo);
351				viewHolder.download_button = (Button) view
352						.findViewById(R.id.download_button);
353				if (item.getConversation().getMode() == Conversation.MODE_SINGLE) {
354					viewHolder.contact_picture.setImageBitmap(activity
355							.avatarService().get(item.getContact(),
356									activity.getPixel(48)));
357				}
358				viewHolder.indicator = (ImageView) view
359						.findViewById(R.id.security_indicator);
360				viewHolder.image = (ImageView) view
361						.findViewById(R.id.message_image);
362				viewHolder.messageBody = (TextView) view
363						.findViewById(R.id.message_body);
364				viewHolder.time = (TextView) view
365						.findViewById(R.id.message_time);
366				view.setTag(viewHolder);
367				break;
368			case STATUS:
369				view = activity.getLayoutInflater().inflate(
370						R.layout.message_status, parent, false);
371				viewHolder.contact_picture = (ImageView) view
372						.findViewById(R.id.message_photo);
373				if (item.getConversation().getMode() == Conversation.MODE_SINGLE) {
374
375					viewHolder.contact_picture.setImageBitmap(activity
376							.avatarService().get(
377									item.getConversation().getContact(),
378									activity.getPixel(32)));
379					viewHolder.contact_picture.setAlpha(0.5f);
380					viewHolder.contact_picture
381							.setOnClickListener(new OnClickListener() {
382
383								@Override
384								public void onClick(View v) {
385									String name = item.getConversation()
386											.getName();
387									String read = getContext()
388											.getString(
389													R.string.contact_has_read_up_to_this_point,
390													name);
391									Toast.makeText(getContext(), read,
392											Toast.LENGTH_SHORT).show();
393								}
394							});
395
396				}
397				break;
398			default:
399				viewHolder = null;
400				break;
401			}
402		} else {
403			viewHolder = (ViewHolder) view.getTag();
404		}
405
406		if (type == STATUS) {
407			return view;
408		}
409		if (type == NULL) {
410			if (position == getCount() - 1) {
411				view.getLayoutParams().height = 1;
412			} else {
413				view.getLayoutParams().height = 0;
414
415			}
416			view.setLayoutParams(view.getLayoutParams());
417			return view;
418		}
419
420		if (viewHolder.contact_picture != null) {
421			viewHolder.contact_picture
422					.setOnClickListener(new OnClickListener() {
423
424						@Override
425						public void onClick(View v) {
426							if (MessageAdapter.this.mOnContactPictureClickedListener != null) {
427								MessageAdapter.this.mOnContactPictureClickedListener
428										.onContactPictureClicked(item);
429								;
430							}
431
432						}
433					});
434			viewHolder.contact_picture
435					.setOnLongClickListener(new OnLongClickListener() {
436
437						@Override
438						public boolean onLongClick(View v) {
439							if (MessageAdapter.this.mOnContactPictureLongClickedListener != null) {
440								MessageAdapter.this.mOnContactPictureLongClickedListener
441										.onContactPictureLongClicked(item);
442								return true;
443							} else {
444								return false;
445							}
446						}
447					});
448		}
449
450		if (type == RECEIVED) {
451			if (item.getConversation().getMode() == Conversation.MODE_MULTI) {
452				Contact contact = item.getContact();
453				if (contact != null) {
454					viewHolder.contact_picture.setImageBitmap(activity
455							.avatarService()
456							.get(contact, activity.getPixel(48)));
457				} else {
458					String name = item.getPresence();
459					if (name == null) {
460						name = item.getCounterpart();
461					}
462					viewHolder.contact_picture.setImageBitmap(activity
463							.avatarService().get(name, activity.getPixel(48)));
464				}
465			}
466		}
467
468		if (item.getType() == Message.TYPE_IMAGE
469				|| item.getDownloadable() != null) {
470			Downloadable d = item.getDownloadable();
471			if (d != null && d.getStatus() == Downloadable.STATUS_DOWNLOADING) {
472				displayInfoMessage(viewHolder, R.string.receiving_image);
473			} else if (d != null
474					&& d.getStatus() == Downloadable.STATUS_CHECKING) {
475				displayInfoMessage(viewHolder, R.string.checking_image);
476			} else if (d != null
477					&& d.getStatus() == Downloadable.STATUS_DELETED) {
478				displayInfoMessage(viewHolder, R.string.image_file_deleted);
479			} else if (d != null && d.getStatus() == Downloadable.STATUS_OFFER) {
480				displayDownloadableMessage(viewHolder, item,
481						R.string.download_image);
482			} else if (d != null
483					&& d.getStatus() == Downloadable.STATUS_OFFER_CHECK_FILESIZE) {
484				displayDownloadableMessage(viewHolder, item,
485						R.string.check_image_filesize);
486			} else if (d != null && d.getStatus() == Downloadable.STATUS_FAILED) {
487				displayInfoMessage(viewHolder, R.string.image_transmission_failed);
488			} else if ((item.getEncryption() == Message.ENCRYPTION_DECRYPTED)
489					|| (item.getEncryption() == Message.ENCRYPTION_NONE)
490					|| (item.getEncryption() == Message.ENCRYPTION_OTR)) {
491				displayImageMessage(viewHolder, item);
492			} else if (item.getEncryption() == Message.ENCRYPTION_PGP) {
493				displayInfoMessage(viewHolder, R.string.encrypted_message);
494			} else {
495				displayDecryptionFailed(viewHolder);
496			}
497		} else {
498			if (item.getEncryption() == Message.ENCRYPTION_PGP) {
499				if (activity.hasPgp()) {
500					displayInfoMessage(viewHolder, R.string.encrypted_message);
501				} else {
502					displayInfoMessage(viewHolder,
503							R.string.install_openkeychain);
504					viewHolder.message_box
505							.setOnClickListener(new OnClickListener() {
506
507								@Override
508								public void onClick(View v) {
509									activity.showInstallPgpDialog();
510								}
511							});
512				}
513			} else if (item.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED) {
514				displayDecryptionFailed(viewHolder);
515			} else {
516				displayTextMessage(viewHolder, item);
517			}
518		}
519
520		displayStatus(viewHolder, item);
521
522		return view;
523	}
524
525	public void startDonwloadable(Message message) {
526		Downloadable downloadable = message.getDownloadable();
527		if (downloadable != null) {
528			if (!downloadable.start()) {
529				Toast.makeText(activity, R.string.not_connected_try_again,
530						Toast.LENGTH_SHORT).show();
531			}
532		}
533	}
534
535	private static class ViewHolder {
536
537		protected LinearLayout message_box;
538		protected Button download_button;
539		protected ImageView image;
540		protected ImageView indicator;
541		protected ImageView indicatorReceived;
542		protected TextView time;
543		protected TextView messageBody;
544		protected ImageView contact_picture;
545
546	}
547
548	public interface OnContactPictureClicked {
549		public void onContactPictureClicked(Message message);
550	}
551
552	public interface OnContactPictureLongClicked {
553		public void onContactPictureLongClicked(Message message);
554	}
555}