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