MessageAdapter.java

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