merge changes for vmrg-213

11 files changed, 223 insertions, 93 deletions

diff --git a/indra/llui/llbutton.cpp b/indra/llui/llbutton.cpp
index 93d8282aa7..f0d92d597a 100644
--- a/indra/llui/llbutton.cpp
+++ b/indra/llui/llbutton.cpp
@@ -589,15 +589,23 @@ void LLButton::getOverlayImageSize(S32& overlay_width, S32& overlay_height)
 // virtual
 void LLButton::draw()
 {
+	static LLCachedControl<bool> sEnableButtonFlashing(*LLUI::sSettingGroups["config"], "EnableButtonFlashing", true);
 	F32 alpha = mUseDrawContextAlpha ? getDrawContext().mAlpha : getCurrentTransparency();
 	bool flash = FALSE;
 
-	if( mFlashing )
+	if( mFlashing)
 	{
-		F32 elapsed = mFlashingTimer.getElapsedTimeF32();
-		S32 flash_count = S32(elapsed * mButtonFlashRate * 2.f);
-		// flash on or off?
-		flash = (flash_count % 2 == 0) || flash_count > S32((F32)mButtonFlashCount * 2.f);
+		if ( sEnableButtonFlashing)
+		{
+			F32 elapsed = mFlashingTimer.getElapsedTimeF32();
+			S32 flash_count = S32(elapsed * mButtonFlashRate * 2.f);
+			// flash on or off?
+			flash = (flash_count % 2 == 0) || flash_count > S32((F32)mButtonFlashCount * 2.f);
+		}
+		else
+		{ // otherwise just highlight button in flash color
+			flash = true;
+		}
 	}
 
 	bool pressed_by_keyboard = FALSE;
diff --git a/indra/llui/lllayoutstack.h b/indra/llui/lllayoutstack.h
index ede6149a80..3b308a359d 100644
--- a/indra/llui/lllayoutstack.h
+++ b/indra/llui/lllayoutstack.h
@@ -191,13 +191,12 @@ public:
 		return min_dim;
 	}
 
+	F32 getCollapseFactor();
 	void setOrientation(LLLayoutStack::ELayoutOrientation orientation) { mOrientation = orientation; }
 
 protected:
 	LLLayoutPanel(const Params& p);
 	
-	F32 getCollapseFactor();
-
 	bool	mExpandedMinDimSpecified;
 	S32		mExpandedMinDim;
 	
diff --git a/indra/llui/llmenugl.cpp b/indra/llui/llmenugl.cpp
index cb237fca7c..95ecbb1c94 100644
--- a/indra/llui/llmenugl.cpp
+++ b/indra/llui/llmenugl.cpp
@@ -947,9 +947,14 @@ LLMenuItemBranchGL::LLMenuItemBranchGL(const LLMenuItemBranchGL::Params& p)
 
 LLMenuItemBranchGL::~LLMenuItemBranchGL()
 {
-	delete mBranchHandle.get();
+	if (mBranchHandle.get())
+	{
+		mBranchHandle.get()->die();
+	}
 }
 
+
+
 // virtual
 LLView* LLMenuItemBranchGL::getChildView(const std::string& name, BOOL recurse) const
 {
diff --git a/indra/llui/llpanel.h b/indra/llui/llpanel.h
index cd33938226..f620201020 100644
--- a/indra/llui/llpanel.h
+++ b/indra/llui/llpanel.h
@@ -135,6 +135,8 @@ public:
 	const LLColor4&	getBackgroundColor() const { return mBgOpaqueColor; }
 	void			setTransparentColor(const LLColor4& color) { mBgAlphaColor = color; }
 	const LLColor4& getTransparentColor() const { return mBgAlphaColor; }
+	void			setBackgroundImage(LLUIImage* image) { mBgOpaqueImage = image; }
+	void			setTransparentImage(LLUIImage* image) { mBgAlphaImage = image; }
 	LLPointer<LLUIImage> getBackgroundImage() const { return mBgOpaqueImage; }
 	LLPointer<LLUIImage> getTransparentImage() const { return mBgAlphaImage; }
 	LLColor4		getBackgroundImageOverlay() { return mBgOpaqueImageOverlay; }
diff --git a/indra/llui/lltabcontainer.cpp b/indra/llui/lltabcontainer.cpp
index d5f8707381..5fc2cc350d 100644
--- a/indra/llui/lltabcontainer.cpp
+++ b/indra/llui/lltabcontainer.cpp
@@ -98,24 +98,25 @@ class LLCustomButtonIconCtrl : public LLButton
 {
 public:
 	struct Params
-	: public LLInitParam::Block<Params, LLButton::Params>
+	:	public LLInitParam::Block<Params, LLButton::Params>
 	{
 		// LEFT, RIGHT, TOP, BOTTOM paddings of LLIconCtrl in this class has same value
 		Optional<S32>					icon_ctrl_pad;
 
-		Params():
-		icon_ctrl_pad("icon_ctrl_pad", 1)
+		Params()
+		:	icon_ctrl_pad("icon_ctrl_pad", 1)
 		{}
 	};
 
 protected:
 	friend class LLUICtrlFactory;
-	LLCustomButtonIconCtrl(const Params& p):
-		LLButton(p),
+
+	LLCustomButtonIconCtrl(const Params& p)
+	:	LLButton(p),
 		mIcon(NULL),
 		mIconAlignment(LLFontGL::HCENTER),
 		mIconCtrlPad(p.icon_ctrl_pad)
-		{}
+	{}
 
 public:
 
diff --git a/indra/llui/lltextbase.cpp b/indra/llui/lltextbase.cpp
index 3b768166f1..0040be45c7 100644
--- a/indra/llui/lltextbase.cpp
+++ b/indra/llui/lltextbase.cpp
@@ -598,7 +598,7 @@ S32 LLTextBase::insertStringNoUndo(S32 pos, const LLWString &wstr, LLTextBase::s
 
 	pos = getEditableIndex(pos, true);
 
-	segment_set_t::iterator seg_iter = getSegIterContaining(pos);
+	segment_set_t::iterator seg_iter = getEditableSegIterContaining(pos);
 
 	LLTextSegmentPtr default_segment;
 
@@ -1510,8 +1510,48 @@ void LLTextBase::getSegmentAndOffset( S32 startpos, segment_set_t::iterator* seg
 	}
 }
 
+LLTextBase::segment_set_t::iterator LLTextBase::getEditableSegIterContaining(S32 index)
+{
+	segment_set_t::iterator it = getSegIterContaining(index);
+	segment_set_t::iterator orig_it = it;
+
+	if (it == mSegments.end()) return it;
+
+	if (!(*it)->canEdit() 
+		&& index == (*it)->getStart() 
+		&& it != mSegments.begin())
+	{
+		it--;
+		if ((*it)->canEdit())
+		{
+			return it;
+		}
+	}
+	return orig_it;
+}
+
+LLTextBase::segment_set_t::const_iterator LLTextBase::getEditableSegIterContaining(S32 index) const
+{
+	segment_set_t::const_iterator it = getSegIterContaining(index);
+	segment_set_t::const_iterator orig_it = it;
+	if (it == mSegments.end()) return it;
+
+	if (!(*it)->canEdit() 
+		&& index == (*it)->getStart() 
+		&& it != mSegments.begin())
+	{
+		it--;
+		if ((*it)->canEdit())
+		{
+			return it;
+		}
+	}
+	return orig_it;
+}
+
 LLTextBase::segment_set_t::iterator LLTextBase::getSegIterContaining(S32 index)
 {
+
 	static LLPointer<LLIndexSegment> index_segment = new LLIndexSegment();
 
 	if (index > getLength()) { return mSegments.end(); }
diff --git a/indra/llui/lltextbase.h b/indra/llui/lltextbase.h
index b699601908..0549141b72 100644
--- a/indra/llui/lltextbase.h
+++ b/indra/llui/lltextbase.h
@@ -461,6 +461,8 @@ protected:
 	void                			getSegmentAndOffset( S32 startpos, segment_set_t::const_iterator* seg_iter, S32* offsetp ) const;
 	void                			getSegmentAndOffset( S32 startpos, segment_set_t::iterator* seg_iter, S32* offsetp );
 	LLTextSegmentPtr    			getSegmentAtLocalPos( S32 x, S32 y, bool hit_past_end_of_line = true);
+	segment_set_t::iterator			getEditableSegIterContaining(S32 index);
+	segment_set_t::const_iterator	getEditableSegIterContaining(S32 index) const;
 	segment_set_t::iterator			getSegIterContaining(S32 index);
 	segment_set_t::const_iterator	getSegIterContaining(S32 index) const;
 	void                			clearSegments();
diff --git a/indra/llui/llview.cpp b/indra/llui/llview.cpp
index 486babb0ab..542f57ee5f 100644
--- a/indra/llui/llview.cpp
+++ b/indra/llui/llview.cpp
@@ -121,6 +121,7 @@ LLView::Params::Params()
 
 LLView::LLView(const LLView::Params& p)
 :	mVisible(p.visible),
+	mInDraw(false),
 	mName(p.name),
 	mParentView(NULL),
 	mReshapeFlags(FOLLOWS_NONE),
@@ -281,6 +282,9 @@ void LLView::moveChildToBackOfTabGroup(LLUICtrl* child)
 // virtual
 bool LLView::addChild(LLView* child, S32 tab_group)
 {
+	// NOTE: Changed this to not crash in release mode
+	llassert(mInDraw == false);
+
 	if (!child)
 	{
 		return false;
@@ -330,6 +334,7 @@ bool LLView::addChildInBack(LLView* child, S32 tab_group)
 // remove the specified child from the view, and set it's parent to NULL.
 void LLView::removeChild(LLView* child)
 {
+	llassert_always(mInDraw == false);
 	//llassert_always(sDepth == 0); // Avoid re-ordering while drawing; it can cause subtle iterator bugs
 	if (child->mParentView == this) 
 	{
@@ -1081,6 +1086,7 @@ void LLView::draw()
 
 void LLView::drawChildren()
 {
+	mInDraw = true;
 	if (!mChildList.empty())
 	{
 		LLView* rootp = LLUI::getRootView();		
@@ -1119,6 +1125,7 @@ void LLView::drawChildren()
 		}
 		--sDepth;
 	}
+	mInDraw = false;
 }
 
 void LLView::dirtyRect()
diff --git a/indra/llui/llview.h b/indra/llui/llview.h
index f21fb37e18..f1fac5f69c 100644
--- a/indra/llui/llview.h
+++ b/indra/llui/llview.h
@@ -612,6 +612,8 @@ private:
 
 	S32			mNextInsertionOrdinal;
 
+	bool		mInDraw;
+
 	static LLWindow* sWindow;	// All root views must know about their window.
 
 	typedef std::map<std::string, LLView*> default_widget_map_t;
diff --git a/indra/llui/llwindowshade.cpp b/indra/llui/llwindowshade.cpp
index cf76202215..ae8b30b1ba 100644
--- a/indra/llui/llwindowshade.cpp
+++ b/indra/llui/llwindowshade.cpp
@@ -37,10 +37,13 @@
 const S32 MIN_NOTIFICATION_AREA_HEIGHT = 30;
 const S32 MAX_NOTIFICATION_AREA_HEIGHT = 100;
 
+static LLDefaultChildRegistry::Register<LLWindowShade> r("window_shade");
+
 LLWindowShade::Params::Params()
 :	bg_image("bg_image"),
 	modal("modal", false),
 	text_color("text_color"),
+	shade_color("shade_color"),
 	can_close("can_close", true)
 {
 	changeDefault(mouse_opaque, false);
@@ -48,7 +51,6 @@ LLWindowShade::Params::Params()
 
 LLWindowShade::LLWindowShade(const LLWindowShade::Params& params)
 :	LLUICtrl(params),
-	mNotification(params.notification),
 	mModal(params.modal),
 	mFormHeight(0),
 	mTextColor(params.text_color)
@@ -72,7 +74,7 @@ void LLWindowShade::initFromParams(const LLWindowShade::Params& params)
 	addChild(stackp);
 
 	LLLayoutPanel::Params panel_p;
-	panel_p.rect = LLRect(0, 30, 800, 0);
+	panel_p.rect = LLRect(0, MIN_NOTIFICATION_AREA_HEIGHT, 800, 0);
 	panel_p.name = "notification_area";
 	panel_p.visible = false;
 	panel_p.user_resize = false;
@@ -89,7 +91,7 @@ void LLWindowShade::initFromParams(const LLWindowShade::Params& params)
 	panel_p.name = "background_area";
 	panel_p.mouse_opaque = false;
 	panel_p.background_visible = false;
-	panel_p.bg_alpha_color = LLColor4(0.f, 0.f, 0.f, 0.2f);
+	panel_p.bg_alpha_color = params.shade_color;
 	LLLayoutPanel* dummy_panel = LLUICtrlFactory::create<LLLayoutPanel>(panel_p);
 	stackp->addChild(dummy_panel);
 
@@ -107,11 +109,11 @@ void LLWindowShade::initFromParams(const LLWindowShade::Params& params)
 
 	LLIconCtrl::Params icon_p;
 	icon_p.name = "notification_icon";
-	icon_p.rect = LLRect(5, 23, 21, 8);
+	icon_p.rect = LLRect(5, 25, 21, 10);
 	panel->addChild(LLUICtrlFactory::create<LLIconCtrl>(icon_p));
 
 	LLTextBox::Params text_p;
-	text_p.rect = LLRect(31, 20, panel->getRect().getWidth() - 5, 0);
+	text_p.rect = LLRect(31, 23, panel->getRect().getWidth() - 5, 3);
 	text_p.follows.flags = FOLLOWS_ALL;
 	text_p.text_color = mTextColor;
 	text_p.font = LLFontGL::getFontSansSerifSmall();
@@ -125,41 +127,132 @@ void LLWindowShade::initFromParams(const LLWindowShade::Params& params)
 	panel_p.auto_resize = false;
 	panel_p.user_resize = false;
 	panel_p.name="form_elements";
-	panel_p.rect = LLRect(0, 30, 130, 0);
+	panel_p.rect = LLRect(0, MIN_NOTIFICATION_AREA_HEIGHT, 130, 0);
 	LLLayoutPanel* form_elements_panel = LLUICtrlFactory::create<LLLayoutPanel>(panel_p);
 	stackp->addChild(form_elements_panel);
 
-	if (params.can_close)
+	panel_p = LLUICtrlFactory::getDefaultParams<LLLayoutPanel>();
+	panel_p.auto_resize = false;
+	panel_p.user_resize = false;
+	panel_p.rect = LLRect(0, MIN_NOTIFICATION_AREA_HEIGHT, 25, 0);
+	panel_p.name = "close_panel";
+	LLLayoutPanel* close_panel = LLUICtrlFactory::create<LLLayoutPanel>(panel_p);
+	stackp->addChild(close_panel);
+
+	LLButton::Params button_p;
+	button_p.name = "close_notification";
+	button_p.rect = LLRect(5, 23, 21, 7);
+	button_p.image_color.control="DkGray_66";
+	button_p.image_unselected.name="Icon_Close_Foreground";
+	button_p.image_selected.name="Icon_Close_Press";
+	button_p.click_callback.function = boost::bind(&LLWindowShade::onCloseNotification, this);
+
+	close_panel->addChild(LLUICtrlFactory::create<LLButton>(button_p));
+	
+	close_panel->setVisible(params.can_close);
+}
+
+void LLWindowShade::draw()
+{
+	LLRect message_rect = getChild<LLTextBox>("notification_text")->getTextBoundingRect();
+
+	LLLayoutPanel* notification_area = getChild<LLLayoutPanel>("notification_area");
+
+	notification_area->reshape(notification_area->getRect().getWidth(), 
+		llclamp(message_rect.getHeight() + 15, 
+				llmin(mFormHeight, MAX_NOTIFICATION_AREA_HEIGHT),
+				MAX_NOTIFICATION_AREA_HEIGHT));
+
+	LLUICtrl::draw();
+
+	while(!mNotifications.empty() && !mNotifications.back()->isActive())
 	{
-		panel_p = LLUICtrlFactory::getDefaultParams<LLLayoutPanel>();
-		panel_p.auto_resize = false;
-		panel_p.user_resize = false;
-		panel_p.rect = LLRect(0, 30, 25, 0);
-		LLLayoutPanel* close_panel = LLUICtrlFactory::create<LLLayoutPanel>(panel_p);
-		stackp->addChild(close_panel);
-
-		LLButton::Params button_p;
-		button_p.name = "close_notification";
-		button_p.rect = LLRect(5, 23, 21, 7);
-		button_p.image_color.control="DkGray_66";
-		button_p.image_unselected.name="Icon_Close_Foreground";
-		button_p.image_selected.name="Icon_Close_Press";
-		button_p.click_callback.function = boost::bind(&LLWindowShade::onCloseNotification, this);
-
-		close_panel->addChild(LLUICtrlFactory::create<LLButton>(button_p));
+		mNotifications.pop_back();
+		// go ahead and hide 
+		hide();
 	}
 
-	LLSD payload = mNotification->getPayload();
+	if (mNotifications.empty())
+	{
+		hide();
+	}
+	else if (notification_area->getCollapseFactor() < 0.01f)
+	{
+		displayLatestNotification();
+	}
 
-	LLNotificationFormPtr formp = mNotification->getForm();
+	if (!notification_area->getVisible() && (notification_area->getCollapseFactor() < 0.001f))
+	{
+		getChildRef<LLLayoutPanel>("background_area").setBackgroundVisible(false);
+		setMouseOpaque(false);
+	}
+}
+
+void LLWindowShade::hide()
+{
+	getChildRef<LLLayoutPanel>("notification_area").setVisible(false);
+}
+
+void LLWindowShade::onCloseNotification()
+{
+	if (!mNotifications.empty())
+		LLNotifications::instance().cancel(mNotifications.back());
+}
+
+void LLWindowShade::onClickIgnore(LLUICtrl* ctrl)
+{
+	LLNotificationPtr notify = getCurrentNotification();
+	if (!notify) return;
+
+	bool check = ctrl->getValue().asBoolean();
+	if (notify->getForm()->getIgnoreType() == LLNotificationForm::IGNORE_SHOW_AGAIN)
+	{
+		// question was "show again" so invert value to get "ignore"
+		check = !check;
+	}
+	notify->setIgnored(check);
+}
+
+void LLWindowShade::onClickNotificationButton(const std::string& name)
+{
+	LLNotificationPtr notify = getCurrentNotification();
+	if (!notify) return;
+
+	mNotificationResponse[name] = true;
+
+	notify->respond(mNotificationResponse);
+}
+
+void LLWindowShade::onEnterNotificationText(LLUICtrl* ctrl, const std::string& name)
+{
+	mNotificationResponse[name] = ctrl->getValue().asString();
+}
+
+void LLWindowShade::show(LLNotificationPtr notification)
+{
+	mNotifications.push_back(notification);
+
+	displayLatestNotification();
+}
+
+void LLWindowShade::displayLatestNotification()
+{
+	if (mNotifications.empty()) return;
+
+	LLNotificationPtr notification = mNotifications.back();
+
+	LLSD payload = notification->getPayload();
+
+	LLNotificationFormPtr formp = notification->getForm();
 	LLLayoutPanel& notification_area = getChildRef<LLLayoutPanel>("notification_area");
-	notification_area.getChild<LLUICtrl>("notification_icon")->setValue(mNotification->getIcon());
-	notification_area.getChild<LLUICtrl>("notification_text")->setValue(mNotification->getMessage());
-	notification_area.getChild<LLUICtrl>("notification_text")->setToolTip(mNotification->getMessage());
+	notification_area.getChild<LLUICtrl>("notification_icon")->setValue(notification->getIcon());
+	notification_area.getChild<LLUICtrl>("notification_text")->setValue(notification->getMessage());
+	notification_area.getChild<LLUICtrl>("notification_text")->setToolTip(notification->getMessage());
 
 	LLNotificationForm::EIgnoreType ignore_type = formp->getIgnoreType(); 
 	LLLayoutPanel& form_elements = notification_area.getChildRef<LLLayoutPanel>("form_elements");
 	form_elements.deleteAllChildren();
+	form_elements.reshape(form_elements.getRect().getWidth(), MIN_NOTIFICATION_AREA_HEIGHT);
 
 	const S32 FORM_PADDING_HORIZONTAL = 10;
 	const S32 FORM_PADDING_VERTICAL = 3;
@@ -229,7 +322,7 @@ void LLWindowShade::initFromParams(const LLWindowShade::Params& params)
 			label_p.v_pad = 5;
 			LLTextBox* textbox = LLUICtrlFactory::create<LLTextBox>(label_p);
 			textbox->reshapeToFitText();
-			textbox->reshape(textbox->getRect().getWidth(), form_elements.getRect().getHeight() - 2 * FORM_PADDING_VERTICAL); 
+			textbox->reshape(textbox->getRect().getWidth(), MIN_NOTIFICATION_AREA_HEIGHT - 2 * FORM_PADDING_VERTICAL); 
 			form_elements.addChild(textbox);
 			cur_x = textbox->getRect().mRight + FORM_PADDING_HORIZONTAL;
 
@@ -249,7 +342,7 @@ void LLWindowShade::initFromParams(const LLWindowShade::Params& params)
 		}
 	}
 
-	mFormHeight = form_elements.getRect().getHeight() - (cur_y - FORM_PADDING_VERTICAL) + WIDGET_HEIGHT;
+	mFormHeight = form_elements.getRect().getHeight() - (cur_y - WIDGET_HEIGHT - FORM_PADDING_VERTICAL);
 	form_elements.reshape(form_width, mFormHeight);
 	form_elements.setMinDim(form_width);
 
@@ -261,68 +354,34 @@ void LLWindowShade::initFromParams(const LLWindowShade::Params& params)
 	{
 		(*it)->translate(0, delta_y);
 	}
-}
 
-void LLWindowShade::show()
-{
 	getChildRef<LLLayoutPanel>("notification_area").setVisible(true);
 	getChildRef<LLLayoutPanel>("background_area").setBackgroundVisible(mModal);
 
 	setMouseOpaque(mModal);
 }
 
-void LLWindowShade::draw()
+void LLWindowShade::setBackgroundImage(LLUIImage* image)
 {
-	LLRect message_rect = getChild<LLTextBox>("notification_text")->getTextBoundingRect();
-
-	LLLayoutPanel* notification_area = getChild<LLLayoutPanel>("notification_area");
-
-	notification_area->reshape(notification_area->getRect().getWidth(), 
-		llclamp(message_rect.getHeight() + 10, 
-				llmin(mFormHeight, MAX_NOTIFICATION_AREA_HEIGHT),
-				MAX_NOTIFICATION_AREA_HEIGHT));
-
-	LLUICtrl::draw();
-	if (mNotification && !mNotification->isActive())
-	{
-		hide();
-	}
+	getChild<LLLayoutPanel>("notification_area")->setTransparentImage(image);
 }
 
-void LLWindowShade::hide()
+void LLWindowShade::setTextColor(LLColor4 color)
 {
-	getChildRef<LLLayoutPanel>("notification_area").setVisible(false);
-	getChildRef<LLLayoutPanel>("background_area").setBackgroundVisible(false);
-
-	setMouseOpaque(false);
+	getChild<LLTextBox>("notification_text")->setColor(color);
 }
 
-void LLWindowShade::onCloseNotification()
+void LLWindowShade::setCanClose(bool can_close)
 {
-	LLNotifications::instance().cancel(mNotification);
+	getChildView("close_panel")->setVisible(can_close);
 }
 
-void LLWindowShade::onClickIgnore(LLUICtrl* ctrl)
+LLNotificationPtr LLWindowShade::getCurrentNotification()
 {
-	bool check = ctrl->getValue().asBoolean();
-	if (mNotification && mNotification->getForm()->getIgnoreType() == LLNotificationForm::IGNORE_SHOW_AGAIN)
+	if (mNotifications.empty())
 	{
-		// question was "show again" so invert value to get "ignore"
-		check = !check;
+		return LLNotificationPtr();
 	}
-	mNotification->setIgnored(check);
-}
-
-void LLWindowShade::onClickNotificationButton(const std::string& name)
-{
-	if (!mNotification) return;
-
-	mNotificationResponse[name] = true;
-
-	mNotification->respond(mNotificationResponse);
+	return mNotifications.back();
 }
 
-void LLWindowShade::onEnterNotificationText(LLUICtrl* ctrl, const std::string& name)
-{
-	mNotificationResponse[name] = ctrl->getValue().asString();
-}
diff --git a/indra/llui/llwindowshade.h b/indra/llui/llwindowshade.h
index 09ffc2cd54..1ae84028dd 100644
--- a/indra/llui/llwindowshade.h
+++ b/indra/llui/llwindowshade.h
@@ -36,20 +36,25 @@ class LLWindowShade : public LLUICtrl
 public:
 	struct Params : public LLInitParam::Block<Params, LLUICtrl::Params>
 	{
-		Mandatory<LLNotificationPtr>	notification;
 		Optional<LLUIImage*>			bg_image;
-		Optional<LLUIColor>				text_color;
+		Optional<LLUIColor>				text_color,
+										shade_color;
 		Optional<bool>					modal,
 										can_close;
 
 		Params();
 	};
 
-	void show();
+	void show(LLNotificationPtr);
 	/*virtual*/ void draw();
 	void hide();
+	void setBackgroundImage(LLUIImage* image);
+	void setTextColor(LLColor4 color);
+	void setCanClose(bool can_close);
 
 private:
+	void displayLatestNotification();
+	LLNotificationPtr getCurrentNotification();
 	friend class LLUICtrlFactory;
 
 	LLWindowShade(const Params& p);
@@ -60,7 +65,7 @@ private:
 	void onEnterNotificationText(LLUICtrl* ctrl, const std::string& name);
 	void onClickIgnore(LLUICtrl* ctrl);
 
-	LLNotificationPtr	mNotification;
+	std::vector<LLNotificationPtr>	mNotifications;
 	LLSD				mNotificationResponse;
 	bool				mModal;
 	S32					mFormHeight;