1 files changed, 771 insertions, 46 deletions

diff --git a/indra/newview/llchathistory.cpp b/indra/newview/llchathistory.cpp
index ebf46a6e3f..71e7ae7061 100644
--- a/indra/newview/llchathistory.cpp
+++ b/indra/newview/llchathistory.cpp
@@ -31,25 +31,438 @@
  */
 
 #include "llviewerprecompiledheaders.h"
+
+#include "llinstantmessage.h"
+
+#include "llimview.h"
 #include "llchathistory.h"
+#include "llcommandhandler.h"
 #include "llpanel.h"
-#include "lltextbox.h"
 #include "lluictrlfactory.h"
 #include "llscrollcontainer.h"
 #include "llavatariconctrl.h"
+#include "llcallingcard.h" //for LLAvatarTracker
+#include "llagentdata.h"
+#include "llavataractions.h"
+#include "lltrans.h"
+#include "llfloaterreg.h"
+#include "llmutelist.h"
+#include "llstylemap.h"
+#include "llslurl.h"
+#include "lllayoutstack.h"
+#include "llagent.h"
+#include "llnotificationsutil.h"
+#include "lltoastnotifypanel.h"
+#include "lltooltip.h"
+#include "llviewerregion.h"
+#include "llviewertexteditor.h"
+#include "llworld.h"
+#include "lluiconstants.h"
+
+
+#include "llsidetray.h"//for blocked objects panel
 
 static LLDefaultChildRegistry::Register<LLChatHistory> r("chat_history");
-static const std::string MESSAGE_USERNAME_DATE_SEPARATOR(" ----- ");
+
+const static std::string NEW_LINE(rawstr_to_utf8("\n"));
+
+const static std::string SLURL_APP_AGENT = "secondlife:///app/agent/";
+const static std::string SLURL_ABOUT = "/about";
+
+// support for secondlife:///app/objectim/{UUID}/ SLapps
+class LLObjectIMHandler : public LLCommandHandler
+{
+public:
+	// requests will be throttled from a non-trusted browser
+	LLObjectIMHandler() : LLCommandHandler("objectim", UNTRUSTED_THROTTLE) {}
+
+	bool handle(const LLSD& params, const LLSD& query_map, LLMediaCtrl* web)
+	{
+		if (params.size() < 1)
+		{
+			return false;
+		}
+
+		LLUUID object_id;
+		if (!object_id.set(params[0], FALSE))
+		{
+			return false;
+		}
+
+		LLSD payload;
+		payload["object_id"] = object_id;
+		payload["owner_id"] = query_map["owner"];
+		payload["name"] = query_map["name"];
+		payload["slurl"] = query_map["slurl"];
+		payload["group_owned"] = query_map["groupowned"];
+		LLFloaterReg::showInstance("inspect_remote_object", payload);
+		return true;
+	}
+};
+LLObjectIMHandler gObjectIMHandler;
+
+class LLChatHistoryHeader: public LLPanel
+{
+public:
+	static LLChatHistoryHeader* createInstance(const std::string& file_name)
+	{
+		LLChatHistoryHeader* pInstance = new LLChatHistoryHeader;
+		LLUICtrlFactory::getInstance()->buildPanel(pInstance, file_name);	
+		return pInstance;
+	}
+
+	BOOL handleMouseUp(S32 x, S32 y, MASK mask)
+	{
+		return LLPanel::handleMouseUp(x,y,mask);
+	}
+
+	void onObjectIconContextMenuItemClicked(const LLSD& userdata)
+	{
+		std::string level = userdata.asString();
+
+		if (level == "profile")
+		{
+			LLSD params;
+			params["object_id"] = getAvatarId();
+
+			LLFloaterReg::showInstance("inspect_object", params);
+		}
+		else if (level == "block")
+		{
+			LLMuteList::getInstance()->add(LLMute(getAvatarId(), mFrom, LLMute::OBJECT));
+
+			LLSideTray::getInstance()->showPanel("panel_block_list_sidetray", LLSD().with("blocked_to_select", getAvatarId()));
+		}
+	}
+
+	void onAvatarIconContextMenuItemClicked(const LLSD& userdata)
+	{
+		std::string level = userdata.asString();
+
+		if (level == "profile")
+		{
+			LLAvatarActions::showProfile(getAvatarId());
+		}
+		else if (level == "im")
+		{
+			LLAvatarActions::startIM(getAvatarId());
+		}
+		else if (level == "add")
+		{
+			LLAvatarActions::requestFriendshipDialog(getAvatarId(), mFrom);
+		}
+		else if (level == "remove")
+		{
+			LLAvatarActions::removeFriendDialog(getAvatarId());
+		}
+	}
+
+	BOOL postBuild()
+	{
+		LLUICtrl::CommitCallbackRegistry::ScopedRegistrar registrar;
+
+		registrar.add("AvatarIcon.Action", boost::bind(&LLChatHistoryHeader::onAvatarIconContextMenuItemClicked, this, _2));
+		registrar.add("ObjectIcon.Action", boost::bind(&LLChatHistoryHeader::onObjectIconContextMenuItemClicked, this, _2));
+
+		LLMenuGL* menu = LLUICtrlFactory::getInstance()->createFromFile<LLMenuGL>("menu_avatar_icon.xml", gMenuHolder, LLViewerMenuHolderGL::child_registry_t::instance());
+		mPopupMenuHandleAvatar = menu->getHandle();
+
+		menu = LLUICtrlFactory::getInstance()->createFromFile<LLMenuGL>("menu_object_icon.xml", gMenuHolder, LLViewerMenuHolderGL::child_registry_t::instance());
+		mPopupMenuHandleObject = menu->getHandle();
+
+		setDoubleClickCallback(boost::bind(&LLChatHistoryHeader::showInspector, this));
+
+		setMouseEnterCallback(boost::bind(&LLChatHistoryHeader::showInfoCtrl, this));
+		setMouseLeaveCallback(boost::bind(&LLChatHistoryHeader::hideInfoCtrl, this));
+
+		return LLPanel::postBuild();
+	}
+
+	bool pointInChild(const std::string& name,S32 x,S32 y)
+	{
+		LLUICtrl* child = findChild<LLUICtrl>(name);
+		if(!child)
+			return false;
+		
+		LLView* parent = child->getParent();
+		if(parent!=this)
+		{
+			x-=parent->getRect().mLeft;
+			y-=parent->getRect().mBottom;
+		}
+
+		S32 local_x = x - child->getRect().mLeft ;
+		S32 local_y = y - child->getRect().mBottom ;
+		return 	child->pointInView(local_x, local_y);
+	}
+
+	BOOL handleRightMouseDown(S32 x, S32 y, MASK mask)
+	{
+		if(pointInChild("avatar_icon",x,y) || pointInChild("user_name",x,y))
+		{
+			showContextMenu(x,y);
+			return TRUE;
+		}
+
+		return LLPanel::handleRightMouseDown(x,y,mask);
+	}
+
+	void showInspector()
+	{
+		if (mAvatarID.isNull() && CHAT_SOURCE_SYSTEM != mSourceType) return;
+		
+		if (mSourceType == CHAT_SOURCE_OBJECT)
+		{
+			LLFloaterReg::showInstance("inspect_object", LLSD().with("object_id", mAvatarID));
+		}
+		else if (mSourceType == CHAT_SOURCE_AGENT)
+		{
+			LLFloaterReg::showInstance("inspect_avatar", LLSD().with("avatar_id", mAvatarID));
+		}
+		//if chat source is system, you may add "else" here to define behaviour.
+	}
+
+	static void onClickInfoCtrl(LLUICtrl* info_ctrl)
+	{
+		if (!info_ctrl) return;
+
+		LLChatHistoryHeader* header = dynamic_cast<LLChatHistoryHeader*>(info_ctrl->getParent());	
+		if (!header) return;
+
+		header->showInspector();
+	}
+
+
+	const LLUUID&		getAvatarId () const { return mAvatarID;}
+
+	void setup(const LLChat& chat,const LLStyle::Params& style_params) 
+	{
+		mAvatarID = chat.mFromID;
+		mSessionID = chat.mSessionID;
+		mSourceType = chat.mSourceType;
+		gCacheName->get(mAvatarID, FALSE, boost::bind(&LLChatHistoryHeader::nameUpdatedCallback, this, _1, _2, _3, _4));
+
+		//*TODO overly defensive thing, source type should be maintained out there
+		if((chat.mFromID.isNull() && chat.mFromName.empty()) || chat.mFromName == SYSTEM_FROM)
+		{
+			mSourceType = CHAT_SOURCE_SYSTEM;
+		}
+
+		LLTextBox* userName = getChild<LLTextBox>("user_name");
+
+		userName->setReadOnlyColor(style_params.readonly_color());
+		userName->setColor(style_params.color());
+		
+		userName->setValue(chat.mFromName);
+		mFrom = chat.mFromName;
+		if (chat.mFromName.empty() || CHAT_SOURCE_SYSTEM == mSourceType)
+		{
+			mFrom = LLTrans::getString("SECOND_LIFE");
+			userName->setValue(mFrom);
+		}
+
+
+		mMinUserNameWidth = style_params.font()->getWidth(userName->getWText().c_str()) + PADDING;
+
+		setTimeField(chat);
+		
+		LLAvatarIconCtrl* icon = getChild<LLAvatarIconCtrl>("avatar_icon");
+
+		if(mSourceType != CHAT_SOURCE_AGENT)
+			icon->setDrawTooltip(false);
+
+		switch (mSourceType)
+		{
+			case CHAT_SOURCE_AGENT:
+				icon->setValue(chat.mFromID);
+				break;
+			case CHAT_SOURCE_OBJECT:
+				icon->setValue(LLSD("OBJECT_Icon"));
+				break;
+			case CHAT_SOURCE_SYSTEM:
+				icon->setValue(LLSD("SL_Logo"));
+				break;
+			case CHAT_SOURCE_UNKNOWN: 
+				icon->setValue(LLSD("Unknown_Icon"));
+		}
+	}
+
+	/*virtual*/ void draw()
+	{
+		LLTextBox* user_name = getChild<LLTextBox>("user_name");
+		LLTextBox* time_box = getChild<LLTextBox>("time_box");
+
+		LLRect user_name_rect = user_name->getRect();
+		S32 user_name_width = user_name_rect.getWidth();
+		S32 time_box_width = time_box->getRect().getWidth();
+
+		if (time_box->getVisible() && user_name_width <= mMinUserNameWidth)
+		{
+			time_box->setVisible(FALSE);
+
+			user_name_rect.mRight += time_box_width;
+			user_name->reshape(user_name_rect.getWidth(), user_name_rect.getHeight());
+			user_name->setRect(user_name_rect);
+		}
+
+		if (!time_box->getVisible() && user_name_width > mMinUserNameWidth + time_box_width)
+		{
+			user_name_rect.mRight -= time_box_width;
+			user_name->reshape(user_name_rect.getWidth(), user_name_rect.getHeight());
+			user_name->setRect(user_name_rect);
+
+			time_box->setVisible(TRUE);
+		}
+
+		LLPanel::draw();
+	}
+
+	void nameUpdatedCallback(const LLUUID& id,const std::string& first,const std::string& last,BOOL is_group)
+	{
+		if (id != mAvatarID)
+			return;
+		mFrom = first + " " + last;
+	}
+protected:
+	static const S32 PADDING = 20;
+
+	void showContextMenu(S32 x,S32 y)
+	{
+		if(mSourceType == CHAT_SOURCE_SYSTEM)
+			showSystemContextMenu(x,y);
+		if(mAvatarID.notNull() && mSourceType == CHAT_SOURCE_AGENT)
+			showAvatarContextMenu(x,y);
+		if(mAvatarID.notNull() && mSourceType == CHAT_SOURCE_OBJECT && SYSTEM_FROM != mFrom)
+			showObjectContextMenu(x,y);
+	}
+
+	void showSystemContextMenu(S32 x,S32 y)
+	{
+	}
+	
+	void showObjectContextMenu(S32 x,S32 y)
+	{
+		LLMenuGL* menu = (LLMenuGL*)mPopupMenuHandleObject.get();
+		if(menu)
+			LLMenuGL::showPopup(this, menu, x, y);
+	}
+	
+	void showAvatarContextMenu(S32 x,S32 y)
+	{
+		LLMenuGL* menu = (LLMenuGL*)mPopupMenuHandleAvatar.get();
+
+		if(menu)
+		{
+			bool is_friend = LLAvatarTracker::instance().getBuddyInfo(mAvatarID) != NULL;
+			
+			menu->setItemEnabled("Add Friend", !is_friend);
+			menu->setItemEnabled("Remove Friend", is_friend);
+
+			if(gAgentID == mAvatarID)
+			{
+				menu->setItemEnabled("Add Friend", false);
+				menu->setItemEnabled("Send IM", false);
+				menu->setItemEnabled("Remove Friend", false);
+			}
+
+			if (mSessionID == LLIMMgr::computeSessionID(IM_NOTHING_SPECIAL, mAvatarID))
+			{
+				menu->setItemVisible("Send IM", false);
+			}
+
+			menu->buildDrawLabels();
+			menu->updateParent(LLMenuGL::sMenuContainer);
+			LLMenuGL::showPopup(this, menu, x, y);
+		}
+	}
+
+	void showInfoCtrl()
+	{
+		if (mAvatarID.isNull() || mFrom.empty() || SYSTEM_FROM == mFrom) return;
+				
+		if (!sInfoCtrl)
+		{
+			sInfoCtrl = LLUICtrlFactory::createFromFile<LLUICtrl>("inspector_info_ctrl.xml", NULL, LLPanel::child_registry_t::instance());
+			sInfoCtrl->setCommitCallback(boost::bind(&LLChatHistoryHeader::onClickInfoCtrl, sInfoCtrl));
+		}
+
+		LLTextBase* name = getChild<LLTextBase>("user_name");
+		LLRect sticky_rect = name->getRect();
+		S32 icon_x = llmin(sticky_rect.mLeft + name->getTextBoundingRect().getWidth() + 7, sticky_rect.mRight - 3);
+		sInfoCtrl->setOrigin(icon_x, sticky_rect.getCenterY() - sInfoCtrl->getRect().getHeight() / 2 ) ;
+		addChild(sInfoCtrl);
+	}
+
+	void hideInfoCtrl()
+	{
+		if (!sInfoCtrl) return;
+
+		if (sInfoCtrl->getParent() == this)
+		{
+			removeChild(sInfoCtrl);
+		}
+	}
+
+private:
+	void setTimeField(const LLChat& chat)
+	{
+		LLTextBox* time_box = getChild<LLTextBox>("time_box");
+
+		LLRect rect_before = time_box->getRect();
+
+		time_box->setValue(chat.mTimeStr);
+
+		// set necessary textbox width to fit all text
+		time_box->reshapeToFitText();
+		LLRect rect_after = time_box->getRect();
+
+		// move rect to the left to correct position...
+		S32 delta_pos_x = rect_before.getWidth() - rect_after.getWidth();
+		S32 delta_pos_y = rect_before.getHeight() - rect_after.getHeight();
+		time_box->translate(delta_pos_x, delta_pos_y);
+
+		//... & change width of the name control
+		LLView* user_name = getChild<LLView>("user_name");
+		const LLRect& user_rect = user_name->getRect();
+		user_name->reshape(user_rect.getWidth() + delta_pos_x, user_rect.getHeight());
+	}
+
+protected:
+	LLHandle<LLView>	mPopupMenuHandleAvatar;
+	LLHandle<LLView>	mPopupMenuHandleObject;
+
+	static LLUICtrl*	sInfoCtrl;
+
+	LLUUID			    mAvatarID;
+	EChatSourceType		mSourceType;
+	std::string			mFrom;
+	LLUUID				mSessionID;
+
+	S32					mMinUserNameWidth;
+};
+
+LLUICtrl* LLChatHistoryHeader::sInfoCtrl = NULL;
 
 LLChatHistory::LLChatHistory(const LLChatHistory::Params& p)
-: LLTextEditor(p),
-mMessageHeaderFilename(p.message_header),
-mMessageSeparatorFilename(p.message_separator),
-mLeftTextPad(p.left_text_pad),
-mRightTextPad(p.right_text_pad),
-mLeftWidgetPad(p.left_widget_pad),
-mRightWidgetPad(p.rigth_widget_pad)
+:	LLUICtrl(p),
+	mMessageHeaderFilename(p.message_header),
+	mMessageSeparatorFilename(p.message_separator),
+	mLeftTextPad(p.left_text_pad),
+	mRightTextPad(p.right_text_pad),
+	mLeftWidgetPad(p.left_widget_pad),
+	mRightWidgetPad(p.right_widget_pad),
+	mTopSeparatorPad(p.top_separator_pad),
+	mBottomSeparatorPad(p.bottom_separator_pad),
+	mTopHeaderPad(p.top_header_pad),
+	mBottomHeaderPad(p.bottom_header_pad),
+	mIsLastMessageFromLog(false)
 {
+	LLTextEditor::Params editor_params(p);
+	editor_params.rect = getLocalRect();
+	editor_params.follows.flags = FOLLOWS_ALL;
+	editor_params.enabled = false; // read only
+	editor_params.show_context_menu = "true";
+	mEditor = LLUICtrlFactory::create<LLTextEditor>(editor_params, this);
 }
 
 LLChatHistory::~LLChatHistory()
@@ -57,16 +470,59 @@ LLChatHistory::~LLChatHistory()
 	this->clear();
 }
 
+void LLChatHistory::initFromParams(const LLChatHistory::Params& p)
+{
+	static LLUICachedControl<S32> scrollbar_size ("UIScrollbarSize", 0);
+
+	LLRect stack_rect = getLocalRect();
+	stack_rect.mRight -= scrollbar_size;
+	LLLayoutStack::Params layout_p;
+	layout_p.rect = stack_rect;
+	layout_p.follows.flags = FOLLOWS_ALL;
+	layout_p.orientation = "vertical";
+	layout_p.mouse_opaque = false;
+	
+	LLLayoutStack* stackp = LLUICtrlFactory::create<LLLayoutStack>(layout_p, this);
+	
+	const S32 NEW_TEXT_NOTICE_HEIGHT = 20;
+	
+	LLPanel::Params panel_p;
+	panel_p.name = "spacer";
+	panel_p.background_visible = false;
+	panel_p.has_border = false;
+	panel_p.mouse_opaque = false;
+	stackp->addPanel(LLUICtrlFactory::create<LLPanel>(panel_p), 0, 30, S32_MAX, S32_MAX, true, false, LLLayoutStack::ANIMATE);
+
+	panel_p.name = "new_text_notice_holder";
+	LLRect new_text_notice_rect = getLocalRect();
+	new_text_notice_rect.mTop = new_text_notice_rect.mBottom + NEW_TEXT_NOTICE_HEIGHT;
+	panel_p.rect = new_text_notice_rect;
+	panel_p.background_opaque = true;
+	panel_p.background_visible = true;
+	panel_p.visible = false;
+	mMoreChatPanel = LLUICtrlFactory::create<LLPanel>(panel_p);
+	
+	LLTextBox::Params text_p(p.more_chat_text);
+	text_p.rect = mMoreChatPanel->getLocalRect();
+	text_p.follows.flags = FOLLOWS_ALL;
+	text_p.name = "more_chat_text";
+	mMoreChatText = LLUICtrlFactory::create<LLTextBox>(text_p, mMoreChatPanel);
+	mMoreChatText->setClickedCallback(boost::bind(&LLChatHistory::onClickMoreText, this));
+
+	stackp->addPanel(mMoreChatPanel, 0, 0, S32_MAX, S32_MAX, false, false, LLLayoutStack::ANIMATE);
+}
+
+
 /*void LLChatHistory::updateTextRect()
 {
 	static LLUICachedControl<S32> texteditor_border ("UITextEditorBorder", 0);
 
-	LLRect old_text_rect = mTextRect;
-	mTextRect = mScroller->getContentWindowRect();
-	mTextRect.stretch(-texteditor_border);
-	mTextRect.mLeft += mLeftTextPad;
-	mTextRect.mRight -= mRightTextPad;
-	if (mTextRect != old_text_rect)
+	LLRect old_text_rect = mVisibleTextRect;
+	mVisibleTextRect = mScroller->getContentWindowRect();
+	mVisibleTextRect.stretch(-texteditor_border);
+	mVisibleTextRect.mLeft += mLeftTextPad;
+	mVisibleTextRect.mRight -= mRightTextPad;
+	if (mVisibleTextRect != old_text_rect)
 	{
 		needsReflow();
 	}
@@ -78,49 +534,318 @@ LLView* LLChatHistory::getSeparator()
 	return separator;
 }
 
-LLView* LLChatHistory::getHeader(const LLUUID& avatar_id, std::string& from, std::string& time)
+LLView* LLChatHistory::getHeader(const LLChat& chat,const LLStyle::Params& style_params)
 {
-	LLPanel* header = LLUICtrlFactory::getInstance()->createFromFile<LLPanel>(mMessageHeaderFilename, NULL, LLPanel::child_registry_t::instance());
-	LLTextBox* userName = header->getChild<LLTextBox>("user_name");
-	userName->setValue(from);
-	LLTextBox* timeBox = header->getChild<LLTextBox>("time_box");
-	timeBox->setValue(time);
-	if(!avatar_id.isNull())
-	{
-		LLAvatarIconCtrl* icon = header->getChild<LLAvatarIconCtrl>("avatar_icon");
-		icon->setValue(avatar_id);
-	}
+	LLChatHistoryHeader* header = LLChatHistoryHeader::createInstance(mMessageHeaderFilename);
+	header->setup(chat,style_params);
 	return header;
 }
 
-void LLChatHistory::appendWidgetMessage(const LLUUID& avatar_id, std::string& from, std::string& time, std::string& message, LLStyle::Params& style_params)
+void LLChatHistory::onClickMoreText()
+{
+	mEditor->endOfDoc();
+}
+
+void LLChatHistory::clear()
 {
-	LLView* view = NULL;
-	std::string view_text;
+	mLastFromName.clear();
+	mEditor->clear();
+	mLastFromID = LLUUID::null;
+}
+
+void LLChatHistory::appendMessage(const LLChat& chat, const LLSD &args, const LLStyle::Params& input_append_params)
+{
+	bool use_plain_text_chat_history = args["use_plain_text_chat_history"].asBoolean();
+
+	if (!mEditor->scrolledToEnd() && chat.mFromID != gAgent.getID() && !chat.mFromName.empty())
+	{
+		mUnreadChatSources.insert(chat.mFromName);
+		mMoreChatPanel->setVisible(TRUE);
+		std::string chatters;
+		for (unread_chat_source_t::iterator it = mUnreadChatSources.begin();
+			it != mUnreadChatSources.end();)
+		{
+			chatters += *it;
+			if (++it != mUnreadChatSources.end())
+			{
+				chatters += ", ";
+			}
+		}
+		LLStringUtil::format_map_t args;
+		args["SOURCES"] = chatters;
+
+		if (mUnreadChatSources.size() == 1)
+		{
+			mMoreChatText->setValue(LLTrans::getString("unread_chat_single", args));
+		}
+		else
+		{
+			mMoreChatText->setValue(LLTrans::getString("unread_chat_multiple", args));
+		}
+		S32 height = mMoreChatText->getTextPixelHeight() + 5;
+		mMoreChatPanel->reshape(mMoreChatPanel->getRect().getWidth(), height);
+	}
+
+	LLColor4 txt_color = LLUIColorTable::instance().getColor("White");
+	LLViewerChat::getChatColor(chat,txt_color);
+	LLFontGL* fontp = LLViewerChat::getChatFont();	
+	std::string font_name = LLFontGL::nameFromFont(fontp);
+	std::string font_size = LLFontGL::sizeFromFont(fontp);	
+	LLStyle::Params style_params;
+	style_params.color(txt_color);
+	style_params.readonly_color(txt_color);
+	style_params.font.name(font_name);
+	style_params.font.size(font_size);	
+	style_params.font.style(input_append_params.font.style);
+
+	std::string prefix = chat.mText.substr(0, 4);
+
+	//IRC styled /me messages.
+	bool irc_me = prefix == "/me " || prefix == "/me'";
+
+	// Delimiter after a name in header copy/past and in plain text mode
+	std::string delimiter = ": ";
+	std::string shout = LLTrans::getString("shout");
+	std::string whisper = LLTrans::getString("whisper");
+	if (chat.mChatType == CHAT_TYPE_SHOUT || 
+		chat.mChatType == CHAT_TYPE_WHISPER ||
+		chat.mText.compare(0, shout.length(), shout) == 0 ||
+		chat.mText.compare(0, whisper.length(), whisper) == 0)
+	{
+		delimiter = " ";
+	}
+
+	// Don't add any delimiter after name in irc styled messages
+	if (irc_me || chat.mChatStyle == CHAT_STYLE_IRC)
+	{
+		delimiter = LLStringUtil::null;
+		style_params.font.style = "ITALIC";
+	}
+
+	bool message_from_log = chat.mChatStyle == CHAT_STYLE_HISTORY;
+	// We graying out chat history by graying out messages that contains full date in a time string
+	if (message_from_log)
+	{
+		style_params.color(LLColor4::grey);
+		style_params.readonly_color(LLColor4::grey);
+	}
+
+	if (use_plain_text_chat_history)
+	{
+		mEditor->appendText("[" + chat.mTimeStr + "] ", mEditor->getText().size() != 0, style_params);
+
+		if (utf8str_trim(chat.mFromName).size() != 0)
+		{
+			// Don't hotlink any messages from the system (e.g. "Second Life:"), so just add those in plain text.
+			if ( chat.mSourceType == CHAT_SOURCE_OBJECT && chat.mFromID.notNull())
+			{
+				// for object IMs, create a secondlife:///app/objectim SLapp
+				std::string url = LLSLURL::buildCommand("objectim", chat.mFromID, "");
+				url += "?name=" + chat.mFromName;
+				url += "&owner=" + args["owner_id"].asString();
+
+				std::string slurl = args["slurl"].asString();
+				if (slurl.empty())
+				{
+					LLViewerRegion *region = LLWorld::getInstance()->getRegionFromPosAgent(chat.mPosAgent);
+					if (region)
+					{
+						S32 x, y, z;
+						LLSLURL::globalPosToXYZ(LLVector3d(chat.mPosAgent), x, y, z);
+						slurl = region->getName() + llformat("/%d/%d/%d", x, y, z);
+					}
+				}
+				url += "&slurl=" + slurl;
+
+				// set the link for the object name to be the objectim SLapp
+				// (don't let object names with hyperlinks override our objectim Url)
+				LLStyle::Params link_params(style_params);
+				link_params.color.control = "HTMLLinkColor";
+				link_params.link_href = url;
+				mEditor->appendText("<nolink>" + chat.mFromName + "</nolink>"  + delimiter,
+									false, link_params);
+			}
+			else if ( chat.mFromName != SYSTEM_FROM && chat.mFromID.notNull() && !message_from_log)
+			{
+				LLStyle::Params link_params(style_params);
+				link_params.overwriteFrom(LLStyleMap::instance().lookupAgent(chat.mFromID));
+				// Convert the name to a hotlink and add to message.
+				mEditor->appendText(chat.mFromName + delimiter, false, link_params);
+			}
+			else
+			{
+				mEditor->appendText(chat.mFromName + delimiter, false, style_params);
+			}
+		}
+	}
+	else
+	{
+		LLView* view = NULL;
+		LLInlineViewSegment::Params p;
+		p.force_newline = true;
+		p.left_pad = mLeftWidgetPad;
+		p.right_pad = mRightWidgetPad;
+
+		LLDate new_message_time = LLDate::now();
 
-	if (mLastFromName == from)
+		if (mLastFromName == chat.mFromName 
+			&& mLastFromID == chat.mFromID
+			&& mLastMessageTime.notNull() 
+			&& (new_message_time.secondsSinceEpoch() - mLastMessageTime.secondsSinceEpoch()) < 60.0
+			&& mIsLastMessageFromLog == message_from_log)  //distinguish between current and previous chat session's histories
+		{
+			view = getSeparator();
+			p.top_pad = mTopSeparatorPad;
+			p.bottom_pad = mBottomSeparatorPad;
+		}
+		else
+		{
+			view = getHeader(chat, style_params);
+			if (mEditor->getText().size() == 0)
+				p.top_pad = 0;
+			else
+				p.top_pad = mTopHeaderPad;
+			p.bottom_pad = mBottomHeaderPad;
+			
+		}
+		p.view = view;
+
+		//Prepare the rect for the view
+		LLRect target_rect = mEditor->getDocumentView()->getRect();
+		// squeeze down the widget by subtracting padding off left and right
+		target_rect.mLeft += mLeftWidgetPad + mEditor->getHPad();
+		target_rect.mRight -= mRightWidgetPad;
+		view->reshape(target_rect.getWidth(), view->getRect().getHeight());
+		view->setOrigin(target_rect.mLeft, view->getRect().mBottom);
+
+		std::string widget_associated_text = "\n[" + chat.mTimeStr + "] ";
+		if (utf8str_trim(chat.mFromName).size() != 0 && chat.mFromName != SYSTEM_FROM)
+			widget_associated_text += chat.mFromName + delimiter;
+
+		mEditor->appendWidget(p, widget_associated_text, false);
+		mLastFromName = chat.mFromName;
+		mLastFromID = chat.mFromID;
+		mLastMessageTime = new_message_time;
+		mIsLastMessageFromLog = message_from_log;
+	}
+
+   if (chat.mNotifId.notNull())
 	{
-		view = getSeparator();
-		view_text = " ";
+		LLNotificationPtr notification = LLNotificationsUtil::find(chat.mNotifId);
+		if (notification != NULL)
+		{
+			LLIMToastNotifyPanel* notify_box = new LLIMToastNotifyPanel(
+					notification, chat.mSessionID);
+			//we can't set follows in xml since it broke toasts behavior
+			notify_box->setFollowsLeft();
+			notify_box->setFollowsRight();
+			notify_box->setFollowsTop();
+
+			ctrl_list_t ctrls = notify_box->getControlPanel()->getCtrlList();
+			S32 offset = 0;
+			// Children were added by addChild() which uses push_front to insert them into list,
+			// so to get buttons in correct order reverse iterator is used (EXT-5906) 
+			for (ctrl_list_t::reverse_iterator it = ctrls.rbegin(); it != ctrls.rend(); it++)
+			{
+				LLButton * button = dynamic_cast<LLButton*> (*it);
+				if (button != NULL)
+				{
+					button->setOrigin( offset,
+							button->getRect().mBottom);
+					button->setLeftHPad(2 * HPAD);
+					button->setRightHPad(2 * HPAD);
+					// set zero width before perform autoResize()
+					button->setRect(LLRect(button->getRect().mLeft,
+							button->getRect().mTop, button->getRect().mLeft,
+							button->getRect().mBottom));
+					button->setAutoResize(true);
+					button->autoResize();
+					offset += HPAD + button->getRect().getWidth();
+					button->setFollowsNone();
+				}
+			}
+
+			LLTextEditor* text_editor = notify_box->getChild<LLTextEditor>("text_editor_box", TRUE);
+			S32 text_heigth = 0;
+			if(text_editor != NULL)
+			{
+				text_heigth = text_editor->getTextBoundingRect().getHeight();
+			}
+
+			//Prepare the rect for the view
+			LLRect target_rect = mEditor->getDocumentView()->getRect();
+			// squeeze down the widget by subtracting padding off left and right
+			target_rect.mLeft += mLeftWidgetPad + mEditor->getHPad();
+			target_rect.mRight -= mRightWidgetPad;
+			notify_box->reshape(target_rect.getWidth(),
+					notify_box->getRect().getHeight());
+			notify_box->setOrigin(target_rect.mLeft, notify_box->getRect().mBottom);
+
+			if (text_editor != NULL)
+			{
+				S32 text_heigth_delta =
+						text_editor->getTextBoundingRect().getHeight()
+								- text_heigth;
+				notify_box->reshape(target_rect.getWidth(),
+								notify_box->getRect().getHeight() + text_heigth_delta);
+			}
+
+			LLInlineViewSegment::Params params;
+			params.view = notify_box;
+			params.left_pad = mLeftWidgetPad;
+			params.right_pad = mRightWidgetPad;
+			mEditor->appendWidget(params, "\n", false);
+		}
 	}
 	else
 	{
-		view = getHeader(avatar_id, from, time);
-		view_text = "\n" + from + MESSAGE_USERNAME_DATE_SEPARATOR + time;
+		std::string message = irc_me ? chat.mText.substr(3) : chat.mText;
+
+
+		//MESSAGE TEXT PROCESSING
+		//*HACK getting rid of redundant sender names in system notifications sent using sender name (see EXT-5010)
+		if (use_plain_text_chat_history && gAgentID != chat.mFromID && chat.mFromID.notNull())
+		{
+			std::string slurl_about = SLURL_APP_AGENT + chat.mFromID.asString() + SLURL_ABOUT;
+			if (message.length() > slurl_about.length() && 
+				message.compare(0, slurl_about.length(), slurl_about) == 0)
+			{
+				message = message.substr(slurl_about.length(), message.length()-1);
+			}
+		}
+
+		if (irc_me && !use_plain_text_chat_history)
+		{
+			message = chat.mFromName + message;
+		}
+		
+		mEditor->appendText(message, FALSE, style_params);
+	}
+	mEditor->blockUndo();
+
+	// automatically scroll to end when receiving chat from myself
+	if (chat.mFromID == gAgentID)
+	{
+		mEditor->setCursorAndScrollToEnd();
 	}
-	//Prepare the rect for the view
-	LLRect target_rect = getDocumentView()->getRect();
-	target_rect.mLeft += mLeftWidgetPad;
-	target_rect.mRight -= mRightWidgetPad;
-	view->reshape(target_rect.getWidth(), view->getRect().getHeight());
-	view->setOrigin(target_rect.mLeft, view->getRect().mBottom);
+}
 
-	appendWidget(view, view_text, FALSE, TRUE, mLeftWidgetPad, 0);
+void LLChatHistory::draw()
+{
+	if (mEditor->scrolledToEnd())
+	{
+		mUnreadChatSources.clear();
+		mMoreChatPanel->setVisible(FALSE);
+	}
 
-	//Append the text message
-	appendText(message, TRUE, style_params);
+	LLUICtrl::draw();
+}
 
-	mLastFromName = from;
-	blockUndo();
-	setCursorAndScrollToEnd();
+void LLChatHistory::reshape(S32 width, S32 height, BOOL called_from_parent)
+{
+	bool is_scrolled_to_end = mEditor->scrolledToEnd();
+	LLUICtrl::reshape( width, height, called_from_parent );
+	// update scroll
+	if (is_scrolled_to_end)
+		mEditor->setCursorAndScrollToEnd();
 }