summaryrefslogtreecommitdiff
path: root/indra/newview/llnearbychatbar.cpp
blob: 185acb14148a551dae301a98be6c93c586095184 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
/** 
 * @file llnearbychatbar.cpp
 * @brief LLNearbyChatBar class implementation
 *
 * $LicenseInfo:firstyear=2002&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2010, Linden Research, Inc.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation;
 * version 2.1 of the License only.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 * $/LicenseInfo$
 */

#include "llviewerprecompiledheaders.h"

#include "message.h"

#include "llappviewer.h"
#include "llfloaterreg.h"
#include "lltrans.h"

#include "llfirstuse.h"
#include "llnearbychatbar.h"
#include "llbottomtray.h"
#include "llagent.h"
#include "llgesturemgr.h"
#include "llmultigesture.h"
#include "llkeyboard.h"
#include "llanimationstates.h"
#include "llviewerstats.h"
#include "llcommandhandler.h"
#include "llviewercontrol.h"
#include "llnavigationbar.h"
#include "llwindow.h"
#include "llviewerwindow.h"
#include "llrootview.h"
#include "llviewerchat.h"

S32 LLNearbyChatBar::sLastSpecialChatChannel = 0;

// legacy callback glue
void send_chat_from_viewer(const std::string& utf8_out_text, EChatType type, S32 channel);

static LLDefaultChildRegistry::Register<LLGestureComboList> r("gesture_combo_list");

struct LLChatTypeTrigger {
	std::string name;
	EChatType type;
};

static LLChatTypeTrigger sChatTypeTriggers[] = {
	{ "/whisper"	, CHAT_TYPE_WHISPER},
	{ "/shout"	, CHAT_TYPE_SHOUT}
};

//ext-7367
//Problem: gesture list control (actually LLScrollListCtrl) didn't actually process mouse wheel message. 
// introduce new gesture list subclass to "eat" mouse wheel messages (and probably some other messages)
class LLGestureScrollListCtrl: public LLScrollListCtrl
{
protected:
	friend class LLUICtrlFactory;
	LLGestureScrollListCtrl(const LLScrollListCtrl::Params& params)
		:LLScrollListCtrl(params)
	{
	}
public:
	BOOL handleScrollWheel(S32 x, S32 y, S32 clicks)
	{
		LLScrollListCtrl::handleScrollWheel( x, y, clicks );
		return TRUE;
	}
	//See EXT-6598
	//Mouse hover over separator will result in not processing tooltip message
	//So eat this message
	BOOL handleToolTip(S32 x, S32 y, MASK mask)
	{
		LLScrollListCtrl::handleToolTip( x, y, mask );
		return TRUE;
	}
};

LLGestureComboList::Params::Params()
:	combo_button("combo_button"),
	combo_list("combo_list"),
	get_more("get_more", true),
	view_all("view_all", true)
{
}

LLGestureComboList::LLGestureComboList(const LLGestureComboList::Params& p)
:	LLUICtrl(p),
	mLabel(p.label),
	mViewAllItemIndex(-1),
	mGetMoreItemIndex(-1),
	mShowViewAll(p.view_all),
	mShowGetMore(p.get_more)
{
	LLBottomtrayButton::Params button_params = p.combo_button;
	button_params.follows.flags(FOLLOWS_LEFT|FOLLOWS_BOTTOM|FOLLOWS_RIGHT);

	mButton = LLUICtrlFactory::create<LLBottomtrayButton>(button_params);
	mButton->reshape(getRect().getWidth(),getRect().getHeight());
	mButton->setCommitCallback(boost::bind(&LLGestureComboList::onButtonCommit, this));

	addChild(mButton);

	LLGestureScrollListCtrl::Params params(p.combo_list);
	
	params.name("GestureComboList");
	params.commit_callback.function(boost::bind(&LLGestureComboList::onItemSelected, this, _2));
	params.visible(false);
	params.commit_on_keyboard_movement(false);

	mList = LLUICtrlFactory::create<LLGestureScrollListCtrl>(params);
	addChild(mList);

	//****************************Gesture Part********************************/

	setCommitCallback(boost::bind(&LLGestureComboList::onCommitGesture, this));

	// now register us as observer since we have a place to put the results
	LLGestureMgr::instance().addObserver(this);

	// refresh list from current active gestures
	refreshGestures();

	setFocusLostCallback(boost::bind(&LLGestureComboList::hideList, this));
}

BOOL LLGestureComboList::handleKeyHere(KEY key, MASK mask)
{
	BOOL handled = FALSE;
	
	if (key == KEY_ESCAPE && mask == MASK_NONE )
	{
		hideList();
		handled = TRUE;
	}
	else
	{
		handled = mList->handleKeyHere(key, mask);
	}

	return handled; 		
}

void LLGestureComboList::draw()
{
	LLUICtrl::draw();

	if(mButton->getToggleState())
	{
		showList();
	}
}

void LLGestureComboList::showList()
{
	LLRect rect = mList->getRect();
	LLRect button_rect = mButton->getRect();
	
	// Calculating amount of space between the navigation bar and gestures combo
	LLNavigationBar* nb = LLNavigationBar::getInstance();

	S32 x, nb_bottom;
	nb->localPointToOtherView(0, 0, &x, &nb_bottom, this);

	S32 max_height = nb_bottom - button_rect.mTop;
	mList->calcColumnWidths();
	rect.setOriginAndSize(button_rect.mLeft, button_rect.mTop, llmax(mList->getMaxContentWidth(),mButton->getRect().getWidth()), max_height);

	mList->setRect(rect);
	mList->fitContents( llmax(mList->getMaxContentWidth(),mButton->getRect().getWidth()), max_height);

	gFocusMgr.setKeyboardFocus(this);

	// Show the list and push the button down
	mButton->setToggleState(TRUE);
	mList->setVisible(TRUE);
	sendChildToFront(mList);
	LLUI::addPopup(mList);
}

void LLGestureComboList::onButtonCommit()
{
	if (!mList->getVisible())
	{
		// highlight the last selected item from the original selection before potentially selecting a new item
		// as visual cue to original value of combo box
		LLScrollListItem* last_selected_item = mList->getLastSelectedItem();
		if (last_selected_item)
		{
			mList->mouseOverHighlightNthItem(mList->getItemIndex(last_selected_item));
		}

		if (mList->getItemCount() != 0)
		{
			showList();
		}
	}
	else
	{
		hideList();
	} 
}

void LLGestureComboList::hideList()
{
	if (mList->getVisible())
	{
		mButton->setToggleState(FALSE);
		mList->setVisible(FALSE);
		mList->mouseOverHighlightNthItem(-1);
		LLUI::removePopup(mList);
		gFocusMgr.setKeyboardFocus(NULL);
	}
}

S32 LLGestureComboList::getCurrentIndex() const
{
	LLScrollListItem* item = mList->getFirstSelected();
	if( item )
	{
		return mList->getItemIndex( item );
	}
	return -1;
}

void LLGestureComboList::onItemSelected(const LLSD& data)
{
	const std::string name = mList->getSelectedItemLabel();

	S32 cur_id = getCurrentIndex();
	mLastSelectedIndex = cur_id;
	if (cur_id != mList->getItemCount()-1 && cur_id != -1)
	{
		mButton->setLabel(name);
	}

	// hiding the list reasserts the old value stored in the text editor/dropdown button
	hideList();

	// commit does the reverse, asserting the value in the list
	onCommit();
}

void LLGestureComboList::sortByName(bool ascending)
{
	mList->sortOnce(0, ascending);
}

LLSD LLGestureComboList::getValue() const
{
	LLScrollListItem* item = mList->getFirstSelected();
	if( item )
	{
		return item->getValue();
	}
	else
	{
		return LLSD();
	}
}

void LLGestureComboList::refreshGestures()
{
	//store current selection so we can maintain it
	LLSD cur_gesture = getValue();
	
	mList->selectFirstItem();
	mList->clearRows();
	mGestures.clear();

	LLGestureMgr::item_map_t::const_iterator it;
	const LLGestureMgr::item_map_t& active_gestures = LLGestureMgr::instance().getActiveGestures();
	LLSD::Integer idx(0);
	for (it = active_gestures.begin(); it != active_gestures.end(); ++it)
	{
		LLMultiGesture* gesture = (*it).second;
		if (gesture)
		{
			mList->addSimpleElement(gesture->mName, ADD_BOTTOM, LLSD(idx));
			mGestures.push_back(gesture);
			idx++;
		}
	}

	sortByName();

	// store indices for Get More and View All items (idx is the index followed by the last added Gesture)
	if (mShowGetMore)
	{
		mGetMoreItemIndex = idx;
		mList->addSimpleElement(LLTrans::getString("GetMoreGestures"), ADD_BOTTOM, LLSD(mGetMoreItemIndex));
	}
	if (mShowViewAll)
	{
		mViewAllItemIndex = idx + 1;
		mList->addSimpleElement(LLTrans::getString("ViewAllGestures"), ADD_BOTTOM, LLSD(mViewAllItemIndex));
	}

	// Insert label after sorting, at top, with separator below it
	mList->addSeparator(ADD_TOP);	
	mList->addSimpleElement(mLabel, ADD_TOP);

	if (cur_gesture.isDefined())
	{ 
		mList->selectByValue(cur_gesture);

	}
	else
	{
		mList->selectFirstItem();
	}

	LLCtrlListInterface* gestures = getListInterface();
	LLMultiGesture* gesture = NULL;
	
	if (gestures)
	{
		S32 sel_index = gestures->getFirstSelectedIndex();
		if (sel_index != 0)
		{
			S32 index = gestures->getSelectedValue().asInteger();
			if (index<0 || index >= (S32)mGestures.size())
			{
				llwarns << "out of range gesture access" << llendl;
			}
			else
			{
				gesture = mGestures.at(index);
			}
		}
	}
	
	if(gesture && LLGestureMgr::instance().isGesturePlaying(gesture))
	{
		return;
	}
	
	mButton->setLabel(mLabel);
}

void LLGestureComboList::onCommitGesture()
{
	LLCtrlListInterface* gestures = getListInterface();
	if (gestures)
	{
		S32 sel_index = gestures->getFirstSelectedIndex();
		if (sel_index == 0)
		{
			return;
		}

		S32 index = gestures->getSelectedValue().asInteger();

		if (mViewAllItemIndex == index)
		{
			// The same behavior as Ctrl+G. EXT-823
			LLFloaterReg::toggleInstance("gestures");
			gestures->selectFirstItem();
			return;
		}

		if (mGetMoreItemIndex == index)
		{
			LLWeb::loadURLExternal(gSavedSettings.getString("GesturesMarketplaceURL"));
			return;
		}

		if (index<0 || index >= (S32)mGestures.size())
		{
			llwarns << "out of range gesture index" << llendl;
		}
		else
		{
			LLMultiGesture* gesture = mGestures.at(index);
			if(gesture)
			{
				LLGestureMgr::instance().playGesture(gesture);
				if(!gesture->mReplaceText.empty())
				{
					LLNearbyChatBar::sendChatFromViewer(gesture->mReplaceText, CHAT_TYPE_NORMAL, FALSE);
				}
			}
		}
	}
}

LLGestureComboList::~LLGestureComboList()
{
	LLGestureMgr::instance().removeObserver(this);
}

LLCtrlListInterface* LLGestureComboList::getListInterface()
{
	return mList;
}

LLNearbyChatBar::LLNearbyChatBar(const LLSD& key)
	: LLFloater(key),
	mChatBox(NULL)
{
	mSpeakerMgr = LLLocalSpeakerMgr::getInstance();
}

//virtual
BOOL LLNearbyChatBar::postBuild()
{
	mChatBox = getChild<LLLineEditor>("chat_box");

	mChatBox->setCommitCallback(boost::bind(&LLNearbyChatBar::onChatBoxCommit, this));
	mChatBox->setKeystrokeCallback(&onChatBoxKeystroke, this);
	mChatBox->setFocusLostCallback(boost::bind(&onChatBoxFocusLost, _1, this));
	mChatBox->setFocusReceivedCallback(boost::bind(&LLNearbyChatBar::onChatBoxFocusReceived, this));

	mChatBox->setIgnoreArrowKeys( FALSE ); 
	mChatBox->setCommitOnFocusLost( FALSE );
	mChatBox->setRevertOnEsc( FALSE );
	mChatBox->setIgnoreTab(TRUE);
	mChatBox->setPassDelete(TRUE);
	mChatBox->setReplaceNewlinesWithSpaces(FALSE);
	mChatBox->setEnableLineHistory(TRUE);
	mChatBox->setFont(LLViewerChat::getChatFont());

	mOutputMonitor = getChild<LLOutputMonitorCtrl>("chat_zone_indicator");
	mOutputMonitor->setVisible(FALSE);

	// Register for font change notifications
	LLViewerChat::setFontChangedCallback(boost::bind(&LLNearbyChatBar::onChatFontChange, this, _1));

	return TRUE;
}

void LLNearbyChatBar::onChatFontChange(LLFontGL* fontp)
{
	// Update things with the new font whohoo
	if (mChatBox)
	{
		mChatBox->setFont(fontp);
	}
}

//static
LLNearbyChatBar* LLNearbyChatBar::getInstance()
{
	return LLFloaterReg::getTypedInstance<LLNearbyChatBar>("chat_bar");
}

void LLNearbyChatBar::draw()
{
	displaySpeakingIndicator();
	LLFloater::draw();
}

std::string LLNearbyChatBar::getCurrentChat()
{
	return mChatBox ? mChatBox->getText() : LLStringUtil::null;
}

// virtual
BOOL LLNearbyChatBar::handleKeyHere( KEY key, MASK mask )
{
	BOOL handled = FALSE;

	if( KEY_RETURN == key && mask == MASK_CONTROL)
	{
		// shout
		sendChat(CHAT_TYPE_SHOUT);
		handled = TRUE;
	}

	return handled;
}

BOOL LLNearbyChatBar::matchChatTypeTrigger(const std::string& in_str, std::string* out_str)
{
	U32 in_len = in_str.length();
	S32 cnt = sizeof(sChatTypeTriggers) / sizeof(*sChatTypeTriggers);
	
	for (S32 n = 0; n < cnt; n++)
	{
		if (in_len > sChatTypeTriggers[n].name.length())
			continue;

		std::string trigger_trunc = sChatTypeTriggers[n].name;
		LLStringUtil::truncate(trigger_trunc, in_len);

		if (!LLStringUtil::compareInsensitive(in_str, trigger_trunc))
		{
			*out_str = sChatTypeTriggers[n].name;
			return TRUE;
		}
	}

	return FALSE;
}

void LLNearbyChatBar::onChatBoxKeystroke(LLLineEditor* caller, void* userdata)
{
	LLFirstUse::otherAvatarChatFirst(false);

	LLNearbyChatBar* self = (LLNearbyChatBar *)userdata;

	LLWString raw_text = self->mChatBox->getWText();

	// Can't trim the end, because that will cause autocompletion
	// to eat trailing spaces that might be part of a gesture.
	LLWStringUtil::trimHead(raw_text);

	S32 length = raw_text.length();

	if( (length > 0) && (raw_text[0] != '/') )  // forward slash is used for escape (eg. emote) sequences
	{
		gAgent.startTyping();
	}
	else
	{
		gAgent.stopTyping();
	}

	/* Doesn't work -- can't tell the difference between a backspace
	   that killed the selection vs. backspace at the end of line.
	if (length > 1 
		&& text[0] == '/'
		&& key == KEY_BACKSPACE)
	{
		// the selection will already be deleted, but we need to trim
		// off the character before
		std::string new_text = raw_text.substr(0, length-1);
		self->mInputEditor->setText( new_text );
		self->mInputEditor->setCursorToEnd();
		length = length - 1;
	}
	*/

	KEY key = gKeyboard->currentKey();

	// Ignore "special" keys, like backspace, arrows, etc.
	if (length > 1 
		&& raw_text[0] == '/'
		&& key < KEY_SPECIAL)
	{
		// we're starting a gesture, attempt to autocomplete

		std::string utf8_trigger = wstring_to_utf8str(raw_text);
		std::string utf8_out_str(utf8_trigger);

		if (LLGestureMgr::instance().matchPrefix(utf8_trigger, &utf8_out_str))
		{
			std::string rest_of_match = utf8_out_str.substr(utf8_trigger.size());
			self->mChatBox->setText(utf8_trigger + rest_of_match); // keep original capitalization for user-entered part
			S32 outlength = self->mChatBox->getLength(); // in characters

			// Select to end of line, starting from the character
			// after the last one the user typed.
			self->mChatBox->setSelection(length, outlength);
		}
		else if (matchChatTypeTrigger(utf8_trigger, &utf8_out_str))
		{
			std::string rest_of_match = utf8_out_str.substr(utf8_trigger.size());
			self->mChatBox->setText(utf8_trigger + rest_of_match + " "); // keep original capitalization for user-entered part
			self->mChatBox->setCursorToEnd();
		}

		//llinfos << "GESTUREDEBUG " << trigger 
		//	<< " len " << length
		//	<< " outlen " << out_str.getLength()
		//	<< llendl;
	}
}

// static
void LLNearbyChatBar::onChatBoxFocusLost(LLFocusableElement* caller, void* userdata)
{
	// stop typing animation
	gAgent.stopTyping();
}

void LLNearbyChatBar::onChatBoxFocusReceived()
{
	mChatBox->setEnabled(!gDisconnected);
}

EChatType LLNearbyChatBar::processChatTypeTriggers(EChatType type, std::string &str)
{
	U32 length = str.length();
	S32 cnt = sizeof(sChatTypeTriggers) / sizeof(*sChatTypeTriggers);
	
	for (S32 n = 0; n < cnt; n++)
	{
		if (length >= sChatTypeTriggers[n].name.length())
		{
			std::string trigger = str.substr(0, sChatTypeTriggers[n].name.length());

			if (!LLStringUtil::compareInsensitive(trigger, sChatTypeTriggers[n].name))
			{
				U32 trigger_length = sChatTypeTriggers[n].name.length();

				// It's to remove space after trigger name
				if (length > trigger_length && str[trigger_length] == ' ')
					trigger_length++;

				str = str.substr(trigger_length, length);

				if (CHAT_TYPE_NORMAL == type)
					return sChatTypeTriggers[n].type;
				else
					break;
			}
		}
	}

	return type;
}

void LLNearbyChatBar::sendChat( EChatType type )
{
	if (mChatBox)
	{
		LLWString text = mChatBox->getConvertedText();
		if (!text.empty())
		{
			// store sent line in history, duplicates will get filtered
			mChatBox->updateHistory();
			// Check if this is destined for another channel
			S32 channel = 0;
			stripChannelNumber(text, &channel);
			
			std::string utf8text = wstring_to_utf8str(text);
			// Try to trigger a gesture, if not chat to a script.
			std::string utf8_revised_text;
			if (0 == channel)
			{
				// discard returned "found" boolean
				LLGestureMgr::instance().triggerAndReviseString(utf8text, &utf8_revised_text);
			}
			else
			{
				utf8_revised_text = utf8text;
			}

			utf8_revised_text = utf8str_trim(utf8_revised_text);

			type = processChatTypeTriggers(type, utf8_revised_text);

			if (!utf8_revised_text.empty())
			{
				// Chat with animation
				sendChatFromViewer(utf8_revised_text, type, TRUE);
			}
		}

		mChatBox->setText(LLStringExplicit(""));
	}

	gAgent.stopTyping();

	// If the user wants to stop chatting on hitting return, lose focus
	// and go out of chat mode.
	if (gSavedSettings.getBOOL("CloseChatOnReturn"))
	{
		stopChat();
	}
}

void LLNearbyChatBar::onChatBoxCommit()
{
	if (mChatBox->getText().length() > 0)
	{
		sendChat(CHAT_TYPE_NORMAL);
	}

	gAgent.stopTyping();
}

void LLNearbyChatBar::displaySpeakingIndicator()
{
	LLSpeakerMgr::speaker_list_t speaker_list;
	LLUUID id;

	id.setNull();
	mSpeakerMgr->update(TRUE);
	mSpeakerMgr->getSpeakerList(&speaker_list, FALSE);

	for (LLSpeakerMgr::speaker_list_t::iterator i = speaker_list.begin(); i != speaker_list.end(); ++i)
	{
		LLPointer<LLSpeaker> s = *i;
		if (s->mSpeechVolume > 0 || s->mStatus == LLSpeaker::STATUS_SPEAKING)
		{
			id = s->mID;
			break;
		}
	}

	if (!id.isNull())
	{
		mOutputMonitor->setVisible(TRUE);
		mOutputMonitor->setSpeakerId(id);
	}
	else
	{
		mOutputMonitor->setVisible(FALSE);
	}
}

void LLNearbyChatBar::sendChatFromViewer(const std::string &utf8text, EChatType type, BOOL animate)
{
	sendChatFromViewer(utf8str_to_wstring(utf8text), type, animate);
}

void LLNearbyChatBar::sendChatFromViewer(const LLWString &wtext, EChatType type, BOOL animate)
{
	// Look for "/20 foo" channel chats.
	S32 channel = 0;
	LLWString out_text = stripChannelNumber(wtext, &channel);
	std::string utf8_out_text = wstring_to_utf8str(out_text);
	std::string utf8_text = wstring_to_utf8str(wtext);

	utf8_text = utf8str_trim(utf8_text);
	if (!utf8_text.empty())
	{
		utf8_text = utf8str_truncate(utf8_text, MAX_STRING - 1);
	}

	// Don't animate for chats people can't hear (chat to scripts)
	if (animate && (channel == 0))
	{
		if (type == CHAT_TYPE_WHISPER)
		{
			lldebugs << "You whisper " << utf8_text << llendl;
			gAgent.sendAnimationRequest(ANIM_AGENT_WHISPER, ANIM_REQUEST_START);
		}
		else if (type == CHAT_TYPE_NORMAL)
		{
			lldebugs << "You say " << utf8_text << llendl;
			gAgent.sendAnimationRequest(ANIM_AGENT_TALK, ANIM_REQUEST_START);
		}
		else if (type == CHAT_TYPE_SHOUT)
		{
			lldebugs << "You shout " << utf8_text << llendl;
			gAgent.sendAnimationRequest(ANIM_AGENT_SHOUT, ANIM_REQUEST_START);
		}
		else
		{
			llinfos << "send_chat_from_viewer() - invalid volume" << llendl;
			return;
		}
	}
	else
	{
		if (type != CHAT_TYPE_START && type != CHAT_TYPE_STOP)
		{
			lldebugs << "Channel chat: " << utf8_text << llendl;
		}
	}

	send_chat_from_viewer(utf8_out_text, type, channel);
}

// static 
void LLNearbyChatBar::startChat(const char* line)
{
	LLNearbyChatBar* cb = LLNearbyChatBar::getInstance();

	if (!cb )
		return;

	cb->setVisible(TRUE);
	cb->mChatBox->setFocus(TRUE);

	if (line)
	{
		std::string line_string(line);
		cb->mChatBox->setText(line_string);
	}

	cb->mChatBox->setCursorToEnd();
}

// Exit "chat mode" and do the appropriate focus changes
// static
void LLNearbyChatBar::stopChat()
{
	LLBottomTray *bt = LLBottomTray::getInstance();

	if (!bt)
		return;

	LLNearbyChatBar* cb = LLNearbyChatBar::getInstance();

	if (!cb)
		return;

	cb->mChatBox->setFocus(FALSE);

 	// stop typing animation
 	gAgent.stopTyping();
}

void LLNearbyChatBar::onClose(bool app_quitting)
{
	LLFloater* nearby_chat = LLFloaterReg::findInstance("nearby_chat", LLSD());
	if (nearby_chat)
	{
		nearby_chat->closeFloater(app_quitting);
	}
}

// If input of the form "/20foo" or "/20 foo", returns "foo" and channel 20.
// Otherwise returns input and channel 0.
LLWString LLNearbyChatBar::stripChannelNumber(const LLWString &mesg, S32* channel)
{
	if (mesg[0] == '/'
		&& mesg[1] == '/')
	{
		// This is a "repeat channel send"
		*channel = sLastSpecialChatChannel;
		return mesg.substr(2, mesg.length() - 2);
	}
	else if (mesg[0] == '/'
			 && mesg[1]
			 && LLStringOps::isDigit(mesg[1]))
	{
		// This a special "/20" speak on a channel
		S32 pos = 0;

		// Copy the channel number into a string
		LLWString channel_string;
		llwchar c;
		do
		{
			c = mesg[pos+1];
			channel_string.push_back(c);
			pos++;
		}
		while(c && pos < 64 && LLStringOps::isDigit(c));
		
		// Move the pointer forward to the first non-whitespace char
		// Check isspace before looping, so we can handle "/33foo"
		// as well as "/33 foo"
		while(c && iswspace(c))
		{
			c = mesg[pos+1];
			pos++;
		}
		
		sLastSpecialChatChannel = strtol(wstring_to_utf8str(channel_string).c_str(), NULL, 10);
		*channel = sLastSpecialChatChannel;
		return mesg.substr(pos, mesg.length() - pos);
	}
	else
	{
		// This is normal chat.
		*channel = 0;
		return mesg;
	}
}

void send_chat_from_viewer(const std::string& utf8_out_text, EChatType type, S32 channel)
{
	LLMessageSystem* msg = gMessageSystem;
	msg->newMessageFast(_PREHASH_ChatFromViewer);
	msg->nextBlockFast(_PREHASH_AgentData);
	msg->addUUIDFast(_PREHASH_AgentID, gAgent.getID());
	msg->addUUIDFast(_PREHASH_SessionID, gAgent.getSessionID());
	msg->nextBlockFast(_PREHASH_ChatData);
	msg->addStringFast(_PREHASH_Message, utf8_out_text);
	msg->addU8Fast(_PREHASH_Type, type);
	msg->addS32("Channel", channel);

	gAgent.sendReliableMessage();

	LLViewerStats::getInstance()->incStat(LLViewerStats::ST_CHAT_COUNT);
}

class LLChatCommandHandler : public LLCommandHandler
{
public:
	// not allowed from outside the app
	LLChatCommandHandler() : LLCommandHandler("chat", UNTRUSTED_BLOCK) { }

    // Your code here
	bool handle(const LLSD& tokens, const LLSD& query_map,
				LLMediaCtrl* web)
	{
		bool retval = false;
		// Need at least 2 tokens to have a valid message.
		if (tokens.size() < 2)
		{
			retval = false;
		}
		else
		{
		S32 channel = tokens[0].asInteger();
			// VWR-19499 Restrict function to chat channels greater than 0.
			if ((channel > 0) && (channel < CHAT_CHANNEL_DEBUG))
			{
				retval = true;
		// Send unescaped message, see EXT-6353.
		std::string unescaped_mesg (LLURI::unescape(tokens[1].asString()));
		send_chat_from_viewer(unescaped_mesg, CHAT_TYPE_NORMAL, channel);
			}
			else
			{
				retval = false;
				// Tell us this is an unsupported SLurl.
			}
		}
		return retval;
	}
};

// Creating the object registers with the dispatcher.
LLChatCommandHandler gChatHandler;