Fix line endlings

1 files changed, 1136 insertions, 1136 deletions

diff --git a/indra/newview/llscreenchannel.cpp b/indra/newview/llscreenchannel.cpp
index c766462227..89ec2bf72e 100644
--- a/indra/newview/llscreenchannel.cpp
+++ b/indra/newview/llscreenchannel.cpp
@@ -1,1136 +1,1136 @@
-/**

- * @file llscreenchannel.cpp

- * @brief Class implements a channel on a screen in which appropriate toasts may appear.

- *

- * $LicenseInfo:firstyear=2000&license=viewerlgpl$

- * 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" // must be first include

-

-#include "lliconctrl.h"

-#include "lltextbox.h"

-#include "llscreenchannel.h"

-

-#include "lltoastpanel.h"

-#include "llviewercontrol.h"

-#include "llviewerwindow.h"

-#include "llfloaterreg.h"

-#include "lltrans.h"

-#include "llagent.h"

-#include "lldockablefloater.h"

-#include "llsyswellwindow.h"

-#include "llfloaterimsession.h"

-#include "llscriptfloater.h"

-#include "llrootview.h"

-

-#include <algorithm>

-

-using namespace LLNotificationsUI;

-

-bool LLScreenChannel::mWasStartUpToastShown = false;

-

-LLRect LLScreenChannelBase::getChannelRect()

-{

-    LL_PROFILE_ZONE_SCOPED;

-

-    if (mFloaterSnapRegion == NULL)

-    {

-        mFloaterSnapRegion = gViewerWindow->getRootView()->getChildView("floater_snap_region");

-    }

-

-    if (mChicletRegion == NULL)

-    {

-        mChicletRegion = gViewerWindow->getRootView()->getChildView("chiclet_container");

-    }

-

-    LLRect channel_rect;

-    LLRect chiclet_rect;

-

-    mFloaterSnapRegion->localRectToScreen(mFloaterSnapRegion->getLocalRect(), &channel_rect);

-    mChicletRegion->localRectToScreen(mChicletRegion->getLocalRect(), &chiclet_rect);

-

-    channel_rect.mTop = chiclet_rect.mBottom;

-    return channel_rect;

-}

-

-

-//--------------------------------------------------------------------------

-//////////////////////

-// LLScreenChannelBase

-//////////////////////

-

-LLScreenChannelBase::LLScreenChannelBase(const Params& p)

-:   LLUICtrl(p),

-    mToastAlignment(p.toast_align),

-    mCanStoreToasts(true),

-    mHiddenToastsNum(0),

-    mHoveredToast(NULL),

-    mControlHovering(false),

-    mShowToasts(true),

-    mID(p.id),

-    mDisplayToastsAlways(p.display_toasts_always),

-    mChannelAlignment(p.channel_align),

-    mFloaterSnapRegion(NULL),

-    mChicletRegion(NULL)

-{

-    mID = p.id;

-

-    setMouseOpaque( false );

-    setVisible(false);

-}

-

-bool LLScreenChannelBase::postBuild()

-{

-    if (mFloaterSnapRegion == NULL)

-    {

-        mFloaterSnapRegion = gViewerWindow->getRootView()->getChildView("floater_snap_region");

-    }

-

-    if (mChicletRegion == NULL)

-    {

-        mChicletRegion = gViewerWindow->getRootView()->getChildView("chiclet_container");

-    }

-

-    return true;

-}

-

-void LLScreenChannelBase::reshape(S32 width, S32 height, bool called_from_parent)

-{

-    if (mChannelAlignment == CA_CENTRE)

-    {

-        // Keep notifications and alerts centered

-        // WorldViewRectScaled is out of date at reshape but Window has same width

-        S32 channel_bound = gViewerWindow->getWindowRectScaled().getWidth() / 2;

-        setRect(LLRect(channel_bound, 0, channel_bound, 0));

-        updateRect(); //sets top and bottom only

-    }

-    redrawToasts();

-}

-

-bool  LLScreenChannelBase::isHovering()

-{

-    if (!mHoveredToast)

-    {

-        return false;

-    }

-

-    return mHoveredToast->isHovered();

-}

-

-void LLScreenChannelBase::updatePositionAndSize(LLRect rect)

-{

-    LLRect this_rect = getRect();

-

-    this_rect.mTop = rect.mTop;

-    switch(mChannelAlignment)

-    {

-    case CA_LEFT :

-        break;

-    case CA_CENTRE :

-        this_rect.setCenterAndSize( (rect.getWidth()) / 2, rect.getHeight() / 2, this_rect.getWidth(), this_rect.getHeight());

-        break;

-    case CA_RIGHT :

-        this_rect.setLeftTopAndSize(rect.mRight - this_rect.getWidth(),

-            this_rect.mTop,

-            this_rect.getWidth(),

-            this_rect.getHeight());

-    }

-    setRect(this_rect);

-    redrawToasts();

-

-}

-

-void LLScreenChannelBase::init(S32 channel_left, S32 channel_right)

-{

-    // top and bottom set by updateRect()

-    setRect(LLRect(channel_left, 0, channel_right, 0));

-    updateRect();

-    setVisible(true);

-}

-

-void    LLScreenChannelBase::updateRect()

-{

-    const S32 CHANNEL_BOTTOM_PANEL_MARGIN = 35;

-    S32 channel_top = getChannelRect().mTop;

-    S32 channel_bottom = getChannelRect().mBottom + CHANNEL_BOTTOM_PANEL_MARGIN;

-    S32 channel_left = getRect().mLeft;

-    S32 channel_right = getRect().mRight;

-    setRect(LLRect(channel_left, channel_top, channel_right, channel_bottom));

-}

-

-//--------------------------------------------------------------------------

-//////////////////////

-// LLScreenChannel

-//////////////////////

-//--------------------------------------------------------------------------

-LLScreenChannel::LLScreenChannel(const Params& p)

-:   LLScreenChannelBase(p),

-    mStartUpToastPanel(NULL)

-{

-}

-

-//--------------------------------------------------------------------------

-void LLScreenChannel::init(S32 channel_left, S32 channel_right)

-{

-    LLScreenChannelBase::init(channel_left, channel_right);

-    LLRect channel_rect = getChannelRect();

-    updatePositionAndSize(channel_rect);

-}

-

-//--------------------------------------------------------------------------

-LLScreenChannel::~LLScreenChannel()

-{

-

-}

-

-std::list<const LLToast*> LLScreenChannel::findToasts(const Matcher& matcher)

-{

-    std::list<const LLToast*> res;

-

-    // collect stored toasts

-    for (std::vector<ToastElem>::iterator it = mStoredToastList.begin(); it

-            != mStoredToastList.end(); it++)

-    {

-        const LLToast* toast = it->getToast();

-        if (toast && matcher.matches(toast->getNotification()))

-        {

-            res.push_back(toast);

-        }

-    }

-

-    // collect displayed toasts

-    for (std::vector<ToastElem>::iterator it = mToastList.begin(); it

-            != mToastList.end(); it++)

-    {

-        const LLToast* toast = it->getToast();

-        if (toast && matcher.matches(toast->getNotification()))

-        {

-            res.push_back(toast);

-        }

-    }

-

-    return res;

-}

-

-//--------------------------------------------------------------------------

-void LLScreenChannel::updatePositionAndSize(LLRect new_world_rect)

-{

-    LLRect this_rect = getRect();

-

-    switch(mChannelAlignment)

-    {

-    case CA_LEFT :

-        this_rect.mTop = (S32) (new_world_rect.getHeight() * getHeightRatio());

-        break;

-    case CA_CENTRE :

-        LLScreenChannelBase::updatePositionAndSize(new_world_rect);

-        return;

-    case CA_RIGHT :

-        this_rect.mTop = (S32) (new_world_rect.getHeight() * getHeightRatio());

-        this_rect.setLeftTopAndSize(new_world_rect.mRight - this_rect.getWidth(),

-            this_rect.mTop,

-            this_rect.getWidth(),

-            this_rect.getHeight());

-    }

-    setRect(this_rect);

-    redrawToasts();

-}

-

-//--------------------------------------------------------------------------

-void LLScreenChannel::addToast(const LLToast::Params& p)

-{

-    LL_PROFILE_ZONE_SCOPED

-    bool store_toast = false, show_toast = false;

-

-    if (mDisplayToastsAlways)

-    {

-        show_toast = true;

-    }

-    else

-    {

-        show_toast = mWasStartUpToastShown && (mShowToasts || p.force_show);

-    }

-    store_toast = !show_toast && p.can_be_stored && mCanStoreToasts;

-

-    if(!show_toast && !store_toast)

-    {

-        if(gAgent.isDoNotDisturb())

-        {

-            return;

-        }

-        LLNotificationPtr notification = LLNotifications::instance().find(p.notif_id);

-

-        if (notification &&

-            (!notification->canLogToIM() || !notification->hasFormElements()))

-        {

-            // only cancel notification if it isn't being used in IM session

-            LLNotifications::instance().cancel(notification);

-        }

-

-        // It was assumed that the toast would take ownership of the panel pointer.

-        // But since we have decided not to display the toast, kill the panel to

-        // prevent the memory leak.

-        if (p.panel != NULL)

-        {

-            p.panel()->die();

-        }

-        return;

-    }

-

-    LLToast* toast = new LLToast(p);

-    ToastElem new_toast_elem(toast->getHandle());

-

-    toast->setOnFadeCallback(boost::bind(&LLScreenChannel::onToastFade, this, _1));

-    toast->setOnToastDestroyedCallback(boost::bind(&LLScreenChannel::onToastDestroyed, this, _1));

-    if(mControlHovering)

-    {

-        toast->setOnToastHoverCallback(boost::bind(&LLScreenChannel::onToastHover, this, _1, _2));

-        toast->setMouseEnterCallback(boost::bind(&LLScreenChannel::stopToastTimer, this, toast));

-        toast->setMouseLeaveCallback(boost::bind(&LLScreenChannel::startToastTimer, this, toast));

-    }

-

-    if(show_toast)

-    {

-        mToastList.push_back(new_toast_elem);

-        if(p.can_be_stored)

-        {

-            // store toasts immediately - EXT-3762

-            storeToast(new_toast_elem);

-        }

-        updateShowToastsState();

-        redrawToasts();

-    }

-    else // store_toast

-    {

-        mHiddenToastsNum++;

-        storeToast(new_toast_elem);

-    }

-}

-

-//--------------------------------------------------------------------------

-void LLScreenChannel::onToastDestroyed(LLToast* toast)

-{

-    std::vector<ToastElem>::iterator it = find(mToastList.begin(), mToastList.end(), static_cast<LLPanel*>(toast));

-

-    if(it != mToastList.end())

-    {

-        mToastList.erase(it);

-    }

-

-    it = find(mStoredToastList.begin(), mStoredToastList.end(), static_cast<LLPanel*>(toast));

-

-    if(it != mStoredToastList.end())

-    {

-        mStoredToastList.erase(it);

-    }

-

-    // if destroyed toast is hovered - reset hovered

-    if (mHoveredToast == toast)

-    {

-        mHoveredToast = NULL;

-    }

-}

-

-

-//--------------------------------------------------------------------------

-void LLScreenChannel::onToastFade(LLToast* toast)

-{

-    std::vector<ToastElem>::iterator it = find(mToastList.begin(), mToastList.end(), static_cast<LLPanel*>(toast));

-

-    if(it != mToastList.end())

-    {

-        bool delete_toast = !mCanStoreToasts || !toast->getCanBeStored();

-        if(delete_toast)

-        {

-            mToastList.erase(it);

-            deleteToast(toast);

-        }

-        else

-        {

-            storeToast((*it));

-            mToastList.erase(it);

-        }

-

-        redrawToasts();

-    }

-}

-

-//--------------------------------------------------------------------------

-void LLScreenChannel::deleteToast(LLToast* toast)

-{

-    if (!toast || toast->isDead())

-    {

-        return;

-    }

-

-    // send signal to observers about destroying of a toast

-    toast->closeToast();

-

-    // update channel's Hovering state

-    // turning hovering off manually because onMouseLeave won't happen if a toast was closed using a keyboard

-    if(mHoveredToast == toast)

-    {

-        mHoveredToast  = NULL;

-    }

-}

-

-//--------------------------------------------------------------------------

-

-void LLScreenChannel::storeToast(ToastElem& toast_elem)

-{

-    // do not store clones

-    std::vector<ToastElem>::iterator it = find(mStoredToastList.begin(), mStoredToastList.end(), toast_elem.getID());

-    if( it != mStoredToastList.end() )

-        return;

-

-    const LLToast* toast = toast_elem.getToast();

-    if (toast)

-    {

-    mStoredToastList.push_back(toast_elem);

-        mOnStoreToast(toast->getPanel(), toast->getNotificationID());

-    }

-}

-

-//--------------------------------------------------------------------------

-void LLScreenChannel::loadStoredToastsToChannel()

-{

-    std::vector<ToastElem>::iterator it;

-

-    if(mStoredToastList.size() == 0)

-        return;

-

-    for(it = mStoredToastList.begin(); it != mStoredToastList.end(); ++it)

-    {

-        LLToast* toast = it->getToast();

-        if (toast)

-        {

-            toast->setIsHidden(false);

-            toast->startTimer();

-            mToastList.push_back(*it);

-        }

-    }

-

-    mStoredToastList.clear();

-    redrawToasts();

-}

-

-//--------------------------------------------------------------------------

-void LLScreenChannel::loadStoredToastByNotificationIDToChannel(LLUUID id)

-{

-    std::vector<ToastElem>::iterator it = find(mStoredToastList.begin(), mStoredToastList.end(), id);

-

-    if( it == mStoredToastList.end() )

-        return;

-

-    LLToast* toast = it->getToast();

-    if (toast)

-    {

-    if(toast->getVisible())

-    {

-        // toast is already in channel

-        return;

-    }

-

-    toast->setIsHidden(false);

-    toast->startTimer();

-        mToastList.push_back(*it);

-    }

-

-    redrawToasts();

-}

-

-//--------------------------------------------------------------------------

-void LLScreenChannel::killToastByNotificationID(LLUUID id)

-{

-    // searching among toasts on a screen

-    std::vector<ToastElem>::iterator it = find(mToastList.begin(), mToastList.end(), id);

-    LLNotificationPtr notification = LLNotifications::instance().find(id);

-    if (!notification) return;

-

-    if( it != mToastList.end())

-    {

-        LLToast* toast = it->getToast();

-        // if it is a notification toast and notification is UnResponded - then respond on it

-        // else - simply destroy a toast

-        //

-        // NOTE:    if a notification is unresponded this function will be called twice for the same toast.

-        //          At first, the notification will be discarded, at second (it will be caused by discarding),

-        //          the toast will be destroyed.

-        if(toast && toast->isNotificationValid())

-        {

-            if (!notification->canLogToIM() || !notification->hasFormElements())

-            {

-                // only cancel notification if it isn't being used in IM session

-                LLNotifications::instance().cancel(notification);

-            }

-        }

-        else

-        {

-            removeToastByNotificationID(id);

-        }

-    }

-    else

-    {

-        // searching among stored toasts

-        it = find(mStoredToastList.begin(), mStoredToastList.end(), id);

-

-        if( it != mStoredToastList.end() )

-        {

-            LLToast* toast = it->getToast();

-            if (toast)

-            {

-                if (!notification->canLogToIM() || !notification->hasFormElements())

-                {

-                    // only cancel notification if it isn't being used in IM session

-                    LLNotifications::instance().cancel(notification);

-                }

-                deleteToast(toast);

-            }

-        }

-

-        // Call find() once more, because the mStoredToastList could have been changed

-        // via notification cancellation and the iterator could have become invalid.

-        it = find(mStoredToastList.begin(), mStoredToastList.end(), id);

-        if (it != mStoredToastList.end())

-        {

-            mStoredToastList.erase(it);

-        }

-    }

-}

-

-void LLScreenChannel::removeToastByNotificationID(LLUUID id)

-{

-    std::vector<ToastElem>::iterator it = find(mToastList.begin(), mToastList.end(), id);

-    while( it != mToastList.end())

-    {

-        deleteToast(it->getToast());

-        mToastList.erase(it);

-        redrawToasts();

-        // find next toast with matching id

-        it = find(mToastList.begin(), mToastList.end(), id);

-    }

-

-    it = find(mStoredToastList.begin(), mStoredToastList.end(), id);

-    if (it != mStoredToastList.end())

-    {

-        deleteToast(it->getToast());

-        mStoredToastList.erase(it);

-    }

-}

-

-

-void LLScreenChannel::killMatchedToasts(const Matcher& matcher)

-{

-    std::list<const LLToast*> to_delete = findToasts(matcher);

-    for (std::list<const LLToast*>::iterator it = to_delete.begin(); it

-            != to_delete.end(); it++)

-    {

-        killToastByNotificationID((*it)-> getNotificationID());

-    }

-}

-

-//--------------------------------------------------------------------------

-void LLScreenChannel::modifyToastByNotificationID(LLUUID id, LLPanel* panel)

-{

-    std::vector<ToastElem>::iterator it = find(mToastList.begin(), mToastList.end(), id);

-

-    LLPanel* panel_to_delete = panel;

-

-    if( it != mToastList.end() && panel)

-    {

-        LLToast* toast = it->getToast();

-        if (toast)

-        {

-            LLPanel* old_panel = toast->getPanel();

-            toast->removeChild(old_panel);

-            panel_to_delete = old_panel;

-            toast->insertPanel(panel);

-            toast->startTimer();

-        }

-        redrawToasts();

-    }

-

-    delete panel_to_delete;

-}

-

-//--------------------------------------------------------------------------

-void LLScreenChannel::redrawToasts()

-{

-    if (!getParent())

-    {

-        // connect to floater snap region just to get resize events, we don't care about being a proper widget

-        mFloaterSnapRegion->addChild(this);

-        setFollows(FOLLOWS_ALL);

-    }

-

-    if(mToastList.size() == 0)

-        return;

-

-    switch(mToastAlignment)

-    {

-    case NA_TOP :

-        showToastsTop();

-        break;

-

-    case NA_CENTRE :

-        showToastsCentre();

-        break;

-

-    case NA_BOTTOM :

-        showToastsBottom();

-    }

-}

-

-//--------------------------------------------------------------------------

-void LLScreenChannel::showToastsBottom()

-{

-    LLRect  toast_rect;

-    S32     bottom = getRect().mBottom - gFloaterView->getRect().mBottom;

-    S32     toast_margin = 0;

-    std::vector<ToastElem>::reverse_iterator it;

-

-    updateRect();

-

-    LLDockableFloater* floater = dynamic_cast<LLDockableFloater*>(LLDockableFloater::getInstanceHandle().get());

-

-    // Use a local variable instead of mToastList.

-    // mToastList can be modified during recursive calls and then all iteratos will be invalidated.

-    std::vector<ToastElem> vToastList( mToastList );

-

-    for(it = vToastList.rbegin(); it != vToastList.rend(); ++it)

-    {

-        if(it != vToastList.rbegin())

-        {

-            LLToast* toast = (it-1)->getToast();

-            if (!toast)

-            {

-                LL_WARNS() << "Attempt to display a deleted toast." << LL_ENDL;

-                return;

-            }

-

-            bottom = toast->getRect().mTop - toast->getTopPad();

-            toast_margin = gSavedSettings.getS32("ToastGap");

-        }

-

-        LLToast* toast = it->getToast();

-        if(!toast)

-        {

-            LL_WARNS() << "Attempt to display a deleted toast." << LL_ENDL;

-            return;

-        }

-

-        toast_rect = toast->getRect();

-        toast_rect.setOriginAndSize(getRect().mRight - toast_rect.getWidth(),

-                bottom + toast_margin, toast_rect.getWidth(),

-                toast_rect.getHeight());

-        toast->setRect(toast_rect);

-

-        if(floater && floater->overlapsScreenChannel())

-        {

-            if(it == vToastList.rbegin())

-            {

-                // move first toast above docked floater

-                S32 shift = floater->getRect().getHeight();

-                if(floater->getDockControl())

-                {

-                    shift += floater->getDockControl()->getTongueHeight();

-                }

-                toast->translate(0, shift);

-            }

-

-            LLRect channel_rect = getChannelRect();

-            // don't show toasts if there is not enough space

-            if(toast_rect.mTop > channel_rect.mTop)

-            {

-                break;

-            }

-        }

-

-        bool stop_showing_toasts = toast->getRect().mTop > getRect().mTop;

-

-        if(!stop_showing_toasts)

-        {

-            if( it != vToastList.rend()-1)

-            {

-                S32 toast_top = toast->getRect().mTop + gSavedSettings.getS32("ToastGap");

-                stop_showing_toasts = toast_top > getRect().mTop;

-            }

-        }

-

-        // at least one toast should be visible

-

-        if(it == vToastList.rbegin())

-        {

-            stop_showing_toasts = false;

-        }

-

-        if(stop_showing_toasts)

-            break;

-

-        if( !toast->getVisible() )

-        {

-            // HACK

-            // EXT-2653: it is necessary to prevent overlapping for secondary showed toasts

-            toast->setVisible(true);

-        }

-        if(!toast->hasFocus())

-        {

-            // Fixing Z-order of toasts (EXT-4862)

-            // Next toast will be positioned under this one.

-            gFloaterView->sendChildToBack(toast);

-        }

-    }

-

-    // Dismiss toasts we don't have space for (STORM-391).

-    if(it != vToastList.rend())

-    {

-        mHiddenToastsNum = 0;

-

-        for(; it != vToastList.rend(); it++)

-        {

-            LLToast* toast = it->getToast();

-            if (toast)

-            {

-                toast->hide();

-            }

-        }

-    }

-}

-

-//--------------------------------------------------------------------------

-void LLScreenChannel::showToastsCentre()

-{

-    LLToast* toast = mToastList[0].getToast();

-    if (!toast)

-    {

-        LL_WARNS() << "Attempt to display a deleted toast." << LL_ENDL;

-        return;

-    }

-

-    LLRect  toast_rect;

-    S32     bottom = (getRect().mTop - getRect().mBottom)/2 + toast->getRect().getHeight()/2;

-    std::vector<ToastElem>::reverse_iterator it;

-

-    for(it = mToastList.rbegin(); it != mToastList.rend(); ++it)

-    {

-        LLToast* toast = it->getToast();

-        if (!toast)

-        {

-            LL_WARNS() << "Attempt to display a deleted toast." << LL_ENDL;

-            return;

-        }

-

-        toast_rect = toast->getRect();

-        toast_rect.setLeftTopAndSize(getRect().mLeft - toast_rect.getWidth() / 2, bottom + toast_rect.getHeight() / 2 + gSavedSettings.getS32("ToastGap"), toast_rect.getWidth() ,toast_rect.getHeight());

-        toast->setRect(toast_rect);

-

-        toast->setVisible(true);

-    }

-}

-

-//--------------------------------------------------------------------------

-void LLScreenChannel::showToastsTop()

-{

-    LLRect channel_rect = getChannelRect();

-

-    LLRect  toast_rect;

-    S32     top = channel_rect.mTop;

-    std::vector<ToastElem>::reverse_iterator it;

-

-    updateRect();

-

-    LLDockableFloater* floater = dynamic_cast<LLDockableFloater*>(LLDockableFloater::getInstanceHandle().get());

-

-    // Use a local variable instead of mToastList.

-    // mToastList can be modified during recursive calls and then all iteratos will be invalidated.

-    std::vector<ToastElem> vToastList( mToastList );

-

-    for(it = vToastList.rbegin(); it != vToastList.rend(); ++it)

-    {

-        if(it != vToastList.rbegin())

-        {

-            LLToast* toast = (it-1)->getToast();

-            if (!toast)

-            {

-                LL_WARNS() << "Attempt to display a deleted toast." << LL_ENDL;

-                return;

-            }

-

-            top = toast->getRect().mBottom - toast->getTopPad();

-            gSavedSettings.getS32("ToastGap");

-        }

-

-        LLToast* toast = it->getToast();

-        if (!toast)

-        {

-            LL_WARNS() << "Attempt to display a deleted toast." << LL_ENDL;

-            return;

-        }

-

-        toast_rect = toast->getRect();

-        toast_rect.setLeftTopAndSize(channel_rect.mRight - toast_rect.getWidth(),

-            top, toast_rect.getWidth(),

-            toast_rect.getHeight());

-        toast->setRect(toast_rect);

-

-        if(floater && floater->overlapsScreenChannel())

-        {

-            if(it == vToastList.rbegin())

-            {

-                // move first toast above docked floater

-                S32 shift = -floater->getRect().getHeight();

-                if(floater->getDockControl())

-                {

-                    shift -= floater->getDockControl()->getTongueHeight();

-                }

-                toast->translate(0, shift);

-            }

-

-            LLRect channel_rect = getChannelRect();

-            // don't show toasts if there is not enough space

-            if(toast_rect.mBottom < channel_rect.mBottom)

-            {

-                break;

-            }

-        }

-

-        bool stop_showing_toasts = toast->getRect().mBottom < channel_rect.mBottom;

-

-        if(!stop_showing_toasts)

-        {

-            if( it != vToastList.rend()-1)

-            {

-                S32 toast_bottom = toast->getRect().mBottom - gSavedSettings.getS32("ToastGap");

-                stop_showing_toasts = toast_bottom < channel_rect.mBottom;

-            }

-        }

-

-        // at least one toast should be visible

-        if(it == vToastList.rbegin())

-        {

-            stop_showing_toasts = false;

-        }

-

-        if(stop_showing_toasts)

-            break;

-

-        if (!toast->getVisible())

-        {

-            // HACK

-            // EXT-2653: it is necessary to prevent overlapping for secondary showed toasts

-            toast->setVisible(true);

-        }

-        if (!toast->hasFocus())

-        {

-            // Fixing Z-order of toasts (EXT-4862)

-            // Next toast will be positioned under this one.

-            gFloaterView->sendChildToBack(toast);

-        }

-    }

-

-    // Dismiss toasts we don't have space for (STORM-391).

-    std::vector<LLToast*> toasts_to_hide;

-

-    if(it != vToastList.rend())

-    {

-        mHiddenToastsNum = 0;

-

-        for(; it != vToastList.rend(); it++)

-        {

-            LLToast* toast = it->getToast();

-            if (toast)

-            {

-                toasts_to_hide.push_back(toast);

-            }

-        }

-    }

-

-    for (std::vector<LLToast*>::iterator it = toasts_to_hide.begin(), end_it = toasts_to_hide.end();

-        it != end_it;

-        ++it)

-    {

-        (*it)->hide();

-    }

-}

-

-//--------------------------------------------------------------------------

-void LLScreenChannel::createStartUpToast(S32 notif_num, F32 timer)

-{

-    LLScreenChannelBase::updateRect();

-

-    LLRect toast_rect;

-    LLToast::Params p;

-    p.lifetime_secs = timer;

-    p.enable_hide_btn = false;

-    mStartUpToastPanel = new LLToast(p);

-

-    if(!mStartUpToastPanel)

-        return;

-

-    mStartUpToastPanel->setOnFadeCallback(boost::bind(&LLScreenChannel::onStartUpToastHide, this));

-

-    LLPanel* wrapper_panel = mStartUpToastPanel->getChild<LLPanel>("wrapper_panel");

-    LLTextBox* text_box = mStartUpToastPanel->getChild<LLTextBox>("toast_text");

-

-    std::string text = LLTrans::getString("StartUpNotifications");

-

-    toast_rect = mStartUpToastPanel->getRect();

-    mStartUpToastPanel->reshape(getRect().getWidth(), toast_rect.getHeight(), true);

-

-    text_box->setValue(text);

-    text_box->setVisible(true);

-

-    text_box->reshapeToFitText();

-    text_box->setOrigin(text_box->getRect().mLeft, (wrapper_panel->getRect().getHeight() - text_box->getRect().getHeight())/2);

-

-    toast_rect.setLeftTopAndSize(0, getRect().getHeight() - gSavedSettings.getS32("ToastGap"), getRect().getWidth(), toast_rect.getHeight());

-    mStartUpToastPanel->setRect(toast_rect);

-

-    addChild(mStartUpToastPanel);

-

-    mStartUpToastPanel->setVisible(true);

-}

-

-// static --------------------------------------------------------------------------

-F32 LLScreenChannel::getHeightRatio()

-{

-    F32 ratio = gSavedSettings.getF32("NotificationChannelHeightRatio");

-    if(0.0f > ratio)

-    {

-        ratio = 0.0f;

-    }

-    else if(1.0f < ratio)

-    {

-        ratio = 1.0f;

-    }

-    return ratio;

-}

-

-//--------------------------------------------------------------------------

-void LLScreenChannel::updateStartUpString(S32 num)

-{

-    // *TODO: update string if notifications are arriving while the StartUp toast is on a screen

-}

-

-//--------------------------------------------------------------------------

-void LLScreenChannel::onStartUpToastHide()

-{

-    onCommit();

-}

-

-//--------------------------------------------------------------------------

-void LLScreenChannel::closeStartUpToast()

-{

-    if(mStartUpToastPanel != NULL)

-    {

-        mStartUpToastPanel->setVisible(false);

-        mStartUpToastPanel = NULL;

-    }

-}

-

-void LLNotificationsUI::LLScreenChannel::stopToastTimer(LLToast* toast)

-{

-    if (!toast || toast != mHoveredToast) return;

-

-    // Pause fade timer of the hovered toast.

-    toast->stopTimer();

-}

-

-void LLNotificationsUI::LLScreenChannel::startToastTimer(LLToast* toast)

-{

-    if (!toast || toast == mHoveredToast)

-    {

-        return;

-    }

-

-    // Reset its fade timer.

-    toast->startTimer();

-}

-

-//--------------------------------------------------------------------------

-void LLScreenChannel::hideToastsFromScreen()

-{

-    for(std::vector<ToastElem>::iterator it = mToastList.begin(); it != mToastList.end(); it++)

-    {

-        LLToast* toast = it->getToast();

-        if (toast)

-        {

-            toast->setVisible(false);

-        }

-        else

-        {

-            LL_WARNS() << "Attempt to hide a deleted toast." << LL_ENDL;

-        }

-    }

-}

-

-//--------------------------------------------------------------------------

-void LLScreenChannel::hideToast(const LLUUID& notification_id)

-{

-    std::vector<ToastElem>::iterator it = find(mToastList.begin(), mToastList.end(), notification_id);

-    if(mToastList.end() != it)

-    {

-        LLToast* toast = it->getToast();

-        if (toast)

-        {

-            toast->hide();

-        }

-        else

-        {

-            LL_WARNS() << "Attempt to hide a deleted toast." << LL_ENDL;

-        }

-    }

-}

-

-void LLScreenChannel::closeHiddenToasts(const Matcher& matcher)

-{

-    // since we can't guarantee that close toast operation doesn't change mToastList

-    // we collect matched toasts that should be closed into separate list

-    std::list<LLToast*> toasts;

-    for (std::vector<ToastElem>::iterator it = mToastList.begin(); it

-            != mToastList.end(); it++)

-    {

-        LLToast* toast = it->getToast();

-        // add to list valid toast that match to provided matcher criteria

-        if (toast != NULL && !toast->isDead() && toast->getNotification() != NULL

-                && !toast->getVisible() && matcher.matches(toast->getNotification()))

-        {

-            toasts.push_back(toast);

-        }

-    }

-

-    // close collected toasts

-    for (std::list<LLToast*>::iterator it = toasts.begin(); it

-            != toasts.end(); it++)

-    {

-        LLToast* toast = *it;

-        toast->closeFloater();

-    }

-}

-

-//--------------------------------------------------------------------------

-void LLScreenChannel::removeToastsFromChannel()

-{

-    hideToastsFromScreen();

-    for(std::vector<ToastElem>::iterator it = mToastList.begin(); it != mToastList.end(); it++)

-    {

-        deleteToast(it->getToast());

-    }

-    mToastList.clear();

-}

-

-//--------------------------------------------------------------------------

-void LLScreenChannel::removeAndStoreAllStorableToasts()

-{

-    if(mToastList.size() == 0)

-        return;

-

-    hideToastsFromScreen();

-    for(std::vector<ToastElem>::iterator it = mToastList.begin(); it != mToastList.end();)

-    {

-        LLToast* toast = it->getToast();

-        if(toast && toast->getCanBeStored())

-        {

-            storeToast(*it);

-            it = mToastList.erase(it);

-        }

-        else

-        {

-            ++it;

-        }

-    }

-    redrawToasts();

-}

-

-//--------------------------------------------------------------------------

-void LLScreenChannel::removeToastsBySessionID(LLUUID id)

-{

-    if(mToastList.size() == 0)

-        return;

-

-    hideToastsFromScreen();

-    for(std::vector<ToastElem>::iterator it = mToastList.begin(); it != mToastList.end();)

-    {

-        LLToast* toast = it->getToast();

-        if(toast && toast->getSessionID() == id)

-        {

-            deleteToast(toast);

-            it = mToastList.erase(it);

-        }

-        else

-        {

-            ++it;

-        }

-    }

-    redrawToasts();

-}

-

-//--------------------------------------------------------------------------

-void LLScreenChannel::onToastHover(LLToast* toast, bool mouse_enter)

-{

-    // because of LLViewerWindow::updateUI() that NOT ALWAYS calls onMouseEnter BEFORE onMouseLeave

-    // we must check hovering directly to prevent incorrect setting for hovering in a channel

-    if (mouse_enter)

-    {

-        if (toast->isHovered())

-        {

-            mHoveredToast = toast;

-        }

-    }

-    else if (mHoveredToast != NULL)

-    {

-        if (!mHoveredToast->isHovered())

-        {

-            mHoveredToast = NULL;

-        }

-    }

-

-    redrawToasts();

-}

-

-//--------------------------------------------------------------------------

-void LLScreenChannel::updateShowToastsState()

-{

-    LLDockableFloater* floater = dynamic_cast<LLDockableFloater*>(LLDockableFloater::getInstanceHandle().get());

-

-    if(!floater)

-    {

-        setShowToasts(true);

-        return;

-    }

-

-    updateRect();

-}

-

-//--------------------------------------------------------------------------

-

-LLToast* LLScreenChannel::getToastByNotificationID(LLUUID id)

-{

-    std::vector<ToastElem>::iterator it = find(mStoredToastList.begin(),

-            mStoredToastList.end(), id);

-

-    if (it == mStoredToastList.end())

-        return NULL;

-

-    return it->getToast();

-}

+/**
+ * @file llscreenchannel.cpp
+ * @brief Class implements a channel on a screen in which appropriate toasts may appear.
+ *
+ * $LicenseInfo:firstyear=2000&license=viewerlgpl$
+ * 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" // must be first include
+
+#include "lliconctrl.h"
+#include "lltextbox.h"
+#include "llscreenchannel.h"
+
+#include "lltoastpanel.h"
+#include "llviewercontrol.h"
+#include "llviewerwindow.h"
+#include "llfloaterreg.h"
+#include "lltrans.h"
+#include "llagent.h"
+#include "lldockablefloater.h"
+#include "llsyswellwindow.h"
+#include "llfloaterimsession.h"
+#include "llscriptfloater.h"
+#include "llrootview.h"
+
+#include <algorithm>
+
+using namespace LLNotificationsUI;
+
+bool LLScreenChannel::mWasStartUpToastShown = false;
+
+LLRect LLScreenChannelBase::getChannelRect()
+{
+    LL_PROFILE_ZONE_SCOPED;
+
+    if (mFloaterSnapRegion == NULL)
+    {
+        mFloaterSnapRegion = gViewerWindow->getRootView()->getChildView("floater_snap_region");
+    }
+
+    if (mChicletRegion == NULL)
+    {
+        mChicletRegion = gViewerWindow->getRootView()->getChildView("chiclet_container");
+    }
+
+    LLRect channel_rect;
+    LLRect chiclet_rect;
+
+    mFloaterSnapRegion->localRectToScreen(mFloaterSnapRegion->getLocalRect(), &channel_rect);
+    mChicletRegion->localRectToScreen(mChicletRegion->getLocalRect(), &chiclet_rect);
+
+    channel_rect.mTop = chiclet_rect.mBottom;
+    return channel_rect;
+}
+
+
+//--------------------------------------------------------------------------
+//////////////////////
+// LLScreenChannelBase
+//////////////////////
+
+LLScreenChannelBase::LLScreenChannelBase(const Params& p)
+:   LLUICtrl(p),
+    mToastAlignment(p.toast_align),
+    mCanStoreToasts(true),
+    mHiddenToastsNum(0),
+    mHoveredToast(NULL),
+    mControlHovering(false),
+    mShowToasts(true),
+    mID(p.id),
+    mDisplayToastsAlways(p.display_toasts_always),
+    mChannelAlignment(p.channel_align),
+    mFloaterSnapRegion(NULL),
+    mChicletRegion(NULL)
+{
+    mID = p.id;
+
+    setMouseOpaque( false );
+    setVisible(false);
+}
+
+bool LLScreenChannelBase::postBuild()
+{
+    if (mFloaterSnapRegion == NULL)
+    {
+        mFloaterSnapRegion = gViewerWindow->getRootView()->getChildView("floater_snap_region");
+    }
+
+    if (mChicletRegion == NULL)
+    {
+        mChicletRegion = gViewerWindow->getRootView()->getChildView("chiclet_container");
+    }
+
+    return true;
+}
+
+void LLScreenChannelBase::reshape(S32 width, S32 height, bool called_from_parent)
+{
+    if (mChannelAlignment == CA_CENTRE)
+    {
+        // Keep notifications and alerts centered
+        // WorldViewRectScaled is out of date at reshape but Window has same width
+        S32 channel_bound = gViewerWindow->getWindowRectScaled().getWidth() / 2;
+        setRect(LLRect(channel_bound, 0, channel_bound, 0));
+        updateRect(); //sets top and bottom only
+    }
+    redrawToasts();
+}
+
+bool  LLScreenChannelBase::isHovering()
+{
+    if (!mHoveredToast)
+    {
+        return false;
+    }
+
+    return mHoveredToast->isHovered();
+}
+
+void LLScreenChannelBase::updatePositionAndSize(LLRect rect)
+{
+    LLRect this_rect = getRect();
+
+    this_rect.mTop = rect.mTop;
+    switch(mChannelAlignment)
+    {
+    case CA_LEFT :
+        break;
+    case CA_CENTRE :
+        this_rect.setCenterAndSize( (rect.getWidth()) / 2, rect.getHeight() / 2, this_rect.getWidth(), this_rect.getHeight());
+        break;
+    case CA_RIGHT :
+        this_rect.setLeftTopAndSize(rect.mRight - this_rect.getWidth(),
+            this_rect.mTop,
+            this_rect.getWidth(),
+            this_rect.getHeight());
+    }
+    setRect(this_rect);
+    redrawToasts();
+
+}
+
+void LLScreenChannelBase::init(S32 channel_left, S32 channel_right)
+{
+    // top and bottom set by updateRect()
+    setRect(LLRect(channel_left, 0, channel_right, 0));
+    updateRect();
+    setVisible(true);
+}
+
+void    LLScreenChannelBase::updateRect()
+{
+    const S32 CHANNEL_BOTTOM_PANEL_MARGIN = 35;
+    S32 channel_top = getChannelRect().mTop;
+    S32 channel_bottom = getChannelRect().mBottom + CHANNEL_BOTTOM_PANEL_MARGIN;
+    S32 channel_left = getRect().mLeft;
+    S32 channel_right = getRect().mRight;
+    setRect(LLRect(channel_left, channel_top, channel_right, channel_bottom));
+}
+
+//--------------------------------------------------------------------------
+//////////////////////
+// LLScreenChannel
+//////////////////////
+//--------------------------------------------------------------------------
+LLScreenChannel::LLScreenChannel(const Params& p)
+:   LLScreenChannelBase(p),
+    mStartUpToastPanel(NULL)
+{
+}
+
+//--------------------------------------------------------------------------
+void LLScreenChannel::init(S32 channel_left, S32 channel_right)
+{
+    LLScreenChannelBase::init(channel_left, channel_right);
+    LLRect channel_rect = getChannelRect();
+    updatePositionAndSize(channel_rect);
+}
+
+//--------------------------------------------------------------------------
+LLScreenChannel::~LLScreenChannel()
+{
+
+}
+
+std::list<const LLToast*> LLScreenChannel::findToasts(const Matcher& matcher)
+{
+    std::list<const LLToast*> res;
+
+    // collect stored toasts
+    for (std::vector<ToastElem>::iterator it = mStoredToastList.begin(); it
+            != mStoredToastList.end(); it++)
+    {
+        const LLToast* toast = it->getToast();
+        if (toast && matcher.matches(toast->getNotification()))
+        {
+            res.push_back(toast);
+        }
+    }
+
+    // collect displayed toasts
+    for (std::vector<ToastElem>::iterator it = mToastList.begin(); it
+            != mToastList.end(); it++)
+    {
+        const LLToast* toast = it->getToast();
+        if (toast && matcher.matches(toast->getNotification()))
+        {
+            res.push_back(toast);
+        }
+    }
+
+    return res;
+}
+
+//--------------------------------------------------------------------------
+void LLScreenChannel::updatePositionAndSize(LLRect new_world_rect)
+{
+    LLRect this_rect = getRect();
+
+    switch(mChannelAlignment)
+    {
+    case CA_LEFT :
+        this_rect.mTop = (S32) (new_world_rect.getHeight() * getHeightRatio());
+        break;
+    case CA_CENTRE :
+        LLScreenChannelBase::updatePositionAndSize(new_world_rect);
+        return;
+    case CA_RIGHT :
+        this_rect.mTop = (S32) (new_world_rect.getHeight() * getHeightRatio());
+        this_rect.setLeftTopAndSize(new_world_rect.mRight - this_rect.getWidth(),
+            this_rect.mTop,
+            this_rect.getWidth(),
+            this_rect.getHeight());
+    }
+    setRect(this_rect);
+    redrawToasts();
+}
+
+//--------------------------------------------------------------------------
+void LLScreenChannel::addToast(const LLToast::Params& p)
+{
+    LL_PROFILE_ZONE_SCOPED
+    bool store_toast = false, show_toast = false;
+
+    if (mDisplayToastsAlways)
+    {
+        show_toast = true;
+    }
+    else
+    {
+        show_toast = mWasStartUpToastShown && (mShowToasts || p.force_show);
+    }
+    store_toast = !show_toast && p.can_be_stored && mCanStoreToasts;
+
+    if(!show_toast && !store_toast)
+    {
+        if(gAgent.isDoNotDisturb())
+        {
+            return;
+        }
+        LLNotificationPtr notification = LLNotifications::instance().find(p.notif_id);
+
+        if (notification &&
+            (!notification->canLogToIM() || !notification->hasFormElements()))
+        {
+            // only cancel notification if it isn't being used in IM session
+            LLNotifications::instance().cancel(notification);
+        }
+
+        // It was assumed that the toast would take ownership of the panel pointer.
+        // But since we have decided not to display the toast, kill the panel to
+        // prevent the memory leak.
+        if (p.panel != NULL)
+        {
+            p.panel()->die();
+        }
+        return;
+    }
+
+    LLToast* toast = new LLToast(p);
+    ToastElem new_toast_elem(toast->getHandle());
+
+    toast->setOnFadeCallback(boost::bind(&LLScreenChannel::onToastFade, this, _1));
+    toast->setOnToastDestroyedCallback(boost::bind(&LLScreenChannel::onToastDestroyed, this, _1));
+    if(mControlHovering)
+    {
+        toast->setOnToastHoverCallback(boost::bind(&LLScreenChannel::onToastHover, this, _1, _2));
+        toast->setMouseEnterCallback(boost::bind(&LLScreenChannel::stopToastTimer, this, toast));
+        toast->setMouseLeaveCallback(boost::bind(&LLScreenChannel::startToastTimer, this, toast));
+    }
+
+    if(show_toast)
+    {
+        mToastList.push_back(new_toast_elem);
+        if(p.can_be_stored)
+        {
+            // store toasts immediately - EXT-3762
+            storeToast(new_toast_elem);
+        }
+        updateShowToastsState();
+        redrawToasts();
+    }
+    else // store_toast
+    {
+        mHiddenToastsNum++;
+        storeToast(new_toast_elem);
+    }
+}
+
+//--------------------------------------------------------------------------
+void LLScreenChannel::onToastDestroyed(LLToast* toast)
+{
+    std::vector<ToastElem>::iterator it = find(mToastList.begin(), mToastList.end(), static_cast<LLPanel*>(toast));
+
+    if(it != mToastList.end())
+    {
+        mToastList.erase(it);
+    }
+
+    it = find(mStoredToastList.begin(), mStoredToastList.end(), static_cast<LLPanel*>(toast));
+
+    if(it != mStoredToastList.end())
+    {
+        mStoredToastList.erase(it);
+    }
+
+    // if destroyed toast is hovered - reset hovered
+    if (mHoveredToast == toast)
+    {
+        mHoveredToast = NULL;
+    }
+}
+
+
+//--------------------------------------------------------------------------
+void LLScreenChannel::onToastFade(LLToast* toast)
+{
+    std::vector<ToastElem>::iterator it = find(mToastList.begin(), mToastList.end(), static_cast<LLPanel*>(toast));
+
+    if(it != mToastList.end())
+    {
+        bool delete_toast = !mCanStoreToasts || !toast->getCanBeStored();
+        if(delete_toast)
+        {
+            mToastList.erase(it);
+            deleteToast(toast);
+        }
+        else
+        {
+            storeToast((*it));
+            mToastList.erase(it);
+        }
+
+        redrawToasts();
+    }
+}
+
+//--------------------------------------------------------------------------
+void LLScreenChannel::deleteToast(LLToast* toast)
+{
+    if (!toast || toast->isDead())
+    {
+        return;
+    }
+
+    // send signal to observers about destroying of a toast
+    toast->closeToast();
+
+    // update channel's Hovering state
+    // turning hovering off manually because onMouseLeave won't happen if a toast was closed using a keyboard
+    if(mHoveredToast == toast)
+    {
+        mHoveredToast  = NULL;
+    }
+}
+
+//--------------------------------------------------------------------------
+
+void LLScreenChannel::storeToast(ToastElem& toast_elem)
+{
+    // do not store clones
+    std::vector<ToastElem>::iterator it = find(mStoredToastList.begin(), mStoredToastList.end(), toast_elem.getID());
+    if( it != mStoredToastList.end() )
+        return;
+
+    const LLToast* toast = toast_elem.getToast();
+    if (toast)
+    {
+    mStoredToastList.push_back(toast_elem);
+        mOnStoreToast(toast->getPanel(), toast->getNotificationID());
+    }
+}
+
+//--------------------------------------------------------------------------
+void LLScreenChannel::loadStoredToastsToChannel()
+{
+    std::vector<ToastElem>::iterator it;
+
+    if(mStoredToastList.size() == 0)
+        return;
+
+    for(it = mStoredToastList.begin(); it != mStoredToastList.end(); ++it)
+    {
+        LLToast* toast = it->getToast();
+        if (toast)
+        {
+            toast->setIsHidden(false);
+            toast->startTimer();
+            mToastList.push_back(*it);
+        }
+    }
+
+    mStoredToastList.clear();
+    redrawToasts();
+}
+
+//--------------------------------------------------------------------------
+void LLScreenChannel::loadStoredToastByNotificationIDToChannel(LLUUID id)
+{
+    std::vector<ToastElem>::iterator it = find(mStoredToastList.begin(), mStoredToastList.end(), id);
+
+    if( it == mStoredToastList.end() )
+        return;
+
+    LLToast* toast = it->getToast();
+    if (toast)
+    {
+    if(toast->getVisible())
+    {
+        // toast is already in channel
+        return;
+    }
+
+    toast->setIsHidden(false);
+    toast->startTimer();
+        mToastList.push_back(*it);
+    }
+
+    redrawToasts();
+}
+
+//--------------------------------------------------------------------------
+void LLScreenChannel::killToastByNotificationID(LLUUID id)
+{
+    // searching among toasts on a screen
+    std::vector<ToastElem>::iterator it = find(mToastList.begin(), mToastList.end(), id);
+    LLNotificationPtr notification = LLNotifications::instance().find(id);
+    if (!notification) return;
+
+    if( it != mToastList.end())
+    {
+        LLToast* toast = it->getToast();
+        // if it is a notification toast and notification is UnResponded - then respond on it
+        // else - simply destroy a toast
+        //
+        // NOTE:    if a notification is unresponded this function will be called twice for the same toast.
+        //          At first, the notification will be discarded, at second (it will be caused by discarding),
+        //          the toast will be destroyed.
+        if(toast && toast->isNotificationValid())
+        {
+            if (!notification->canLogToIM() || !notification->hasFormElements())
+            {
+                // only cancel notification if it isn't being used in IM session
+                LLNotifications::instance().cancel(notification);
+            }
+        }
+        else
+        {
+            removeToastByNotificationID(id);
+        }
+    }
+    else
+    {
+        // searching among stored toasts
+        it = find(mStoredToastList.begin(), mStoredToastList.end(), id);
+
+        if( it != mStoredToastList.end() )
+        {
+            LLToast* toast = it->getToast();
+            if (toast)
+            {
+                if (!notification->canLogToIM() || !notification->hasFormElements())
+                {
+                    // only cancel notification if it isn't being used in IM session
+                    LLNotifications::instance().cancel(notification);
+                }
+                deleteToast(toast);
+            }
+        }
+
+        // Call find() once more, because the mStoredToastList could have been changed
+        // via notification cancellation and the iterator could have become invalid.
+        it = find(mStoredToastList.begin(), mStoredToastList.end(), id);
+        if (it != mStoredToastList.end())
+        {
+            mStoredToastList.erase(it);
+        }
+    }
+}
+
+void LLScreenChannel::removeToastByNotificationID(LLUUID id)
+{
+    std::vector<ToastElem>::iterator it = find(mToastList.begin(), mToastList.end(), id);
+    while( it != mToastList.end())
+    {
+        deleteToast(it->getToast());
+        mToastList.erase(it);
+        redrawToasts();
+        // find next toast with matching id
+        it = find(mToastList.begin(), mToastList.end(), id);
+    }
+
+    it = find(mStoredToastList.begin(), mStoredToastList.end(), id);
+    if (it != mStoredToastList.end())
+    {
+        deleteToast(it->getToast());
+        mStoredToastList.erase(it);
+    }
+}
+
+
+void LLScreenChannel::killMatchedToasts(const Matcher& matcher)
+{
+    std::list<const LLToast*> to_delete = findToasts(matcher);
+    for (std::list<const LLToast*>::iterator it = to_delete.begin(); it
+            != to_delete.end(); it++)
+    {
+        killToastByNotificationID((*it)-> getNotificationID());
+    }
+}
+
+//--------------------------------------------------------------------------
+void LLScreenChannel::modifyToastByNotificationID(LLUUID id, LLPanel* panel)
+{
+    std::vector<ToastElem>::iterator it = find(mToastList.begin(), mToastList.end(), id);
+
+    LLPanel* panel_to_delete = panel;
+
+    if( it != mToastList.end() && panel)
+    {
+        LLToast* toast = it->getToast();
+        if (toast)
+        {
+            LLPanel* old_panel = toast->getPanel();
+            toast->removeChild(old_panel);
+            panel_to_delete = old_panel;
+            toast->insertPanel(panel);
+            toast->startTimer();
+        }
+        redrawToasts();
+    }
+
+    delete panel_to_delete;
+}
+
+//--------------------------------------------------------------------------
+void LLScreenChannel::redrawToasts()
+{
+    if (!getParent())
+    {
+        // connect to floater snap region just to get resize events, we don't care about being a proper widget
+        mFloaterSnapRegion->addChild(this);
+        setFollows(FOLLOWS_ALL);
+    }
+
+    if(mToastList.size() == 0)
+        return;
+
+    switch(mToastAlignment)
+    {
+    case NA_TOP :
+        showToastsTop();
+        break;
+
+    case NA_CENTRE :
+        showToastsCentre();
+        break;
+
+    case NA_BOTTOM :
+        showToastsBottom();
+    }
+}
+
+//--------------------------------------------------------------------------
+void LLScreenChannel::showToastsBottom()
+{
+    LLRect  toast_rect;
+    S32     bottom = getRect().mBottom - gFloaterView->getRect().mBottom;
+    S32     toast_margin = 0;
+    std::vector<ToastElem>::reverse_iterator it;
+
+    updateRect();
+
+    LLDockableFloater* floater = dynamic_cast<LLDockableFloater*>(LLDockableFloater::getInstanceHandle().get());
+
+    // Use a local variable instead of mToastList.
+    // mToastList can be modified during recursive calls and then all iteratos will be invalidated.
+    std::vector<ToastElem> vToastList( mToastList );
+
+    for(it = vToastList.rbegin(); it != vToastList.rend(); ++it)
+    {
+        if(it != vToastList.rbegin())
+        {
+            LLToast* toast = (it-1)->getToast();
+            if (!toast)
+            {
+                LL_WARNS() << "Attempt to display a deleted toast." << LL_ENDL;
+                return;
+            }
+
+            bottom = toast->getRect().mTop - toast->getTopPad();
+            toast_margin = gSavedSettings.getS32("ToastGap");
+        }
+
+        LLToast* toast = it->getToast();
+        if(!toast)
+        {
+            LL_WARNS() << "Attempt to display a deleted toast." << LL_ENDL;
+            return;
+        }
+
+        toast_rect = toast->getRect();
+        toast_rect.setOriginAndSize(getRect().mRight - toast_rect.getWidth(),
+                bottom + toast_margin, toast_rect.getWidth(),
+                toast_rect.getHeight());
+        toast->setRect(toast_rect);
+
+        if(floater && floater->overlapsScreenChannel())
+        {
+            if(it == vToastList.rbegin())
+            {
+                // move first toast above docked floater
+                S32 shift = floater->getRect().getHeight();
+                if(floater->getDockControl())
+                {
+                    shift += floater->getDockControl()->getTongueHeight();
+                }
+                toast->translate(0, shift);
+            }
+
+            LLRect channel_rect = getChannelRect();
+            // don't show toasts if there is not enough space
+            if(toast_rect.mTop > channel_rect.mTop)
+            {
+                break;
+            }
+        }
+
+        bool stop_showing_toasts = toast->getRect().mTop > getRect().mTop;
+
+        if(!stop_showing_toasts)
+        {
+            if( it != vToastList.rend()-1)
+            {
+                S32 toast_top = toast->getRect().mTop + gSavedSettings.getS32("ToastGap");
+                stop_showing_toasts = toast_top > getRect().mTop;
+            }
+        }
+
+        // at least one toast should be visible
+
+        if(it == vToastList.rbegin())
+        {
+            stop_showing_toasts = false;
+        }
+
+        if(stop_showing_toasts)
+            break;
+
+        if( !toast->getVisible() )
+        {
+            // HACK
+            // EXT-2653: it is necessary to prevent overlapping for secondary showed toasts
+            toast->setVisible(true);
+        }
+        if(!toast->hasFocus())
+        {
+            // Fixing Z-order of toasts (EXT-4862)
+            // Next toast will be positioned under this one.
+            gFloaterView->sendChildToBack(toast);
+        }
+    }
+
+    // Dismiss toasts we don't have space for (STORM-391).
+    if(it != vToastList.rend())
+    {
+        mHiddenToastsNum = 0;
+
+        for(; it != vToastList.rend(); it++)
+        {
+            LLToast* toast = it->getToast();
+            if (toast)
+            {
+                toast->hide();
+            }
+        }
+    }
+}
+
+//--------------------------------------------------------------------------
+void LLScreenChannel::showToastsCentre()
+{
+    LLToast* toast = mToastList[0].getToast();
+    if (!toast)
+    {
+        LL_WARNS() << "Attempt to display a deleted toast." << LL_ENDL;
+        return;
+    }
+
+    LLRect  toast_rect;
+    S32     bottom = (getRect().mTop - getRect().mBottom)/2 + toast->getRect().getHeight()/2;
+    std::vector<ToastElem>::reverse_iterator it;
+
+    for(it = mToastList.rbegin(); it != mToastList.rend(); ++it)
+    {
+        LLToast* toast = it->getToast();
+        if (!toast)
+        {
+            LL_WARNS() << "Attempt to display a deleted toast." << LL_ENDL;
+            return;
+        }
+
+        toast_rect = toast->getRect();
+        toast_rect.setLeftTopAndSize(getRect().mLeft - toast_rect.getWidth() / 2, bottom + toast_rect.getHeight() / 2 + gSavedSettings.getS32("ToastGap"), toast_rect.getWidth() ,toast_rect.getHeight());
+        toast->setRect(toast_rect);
+
+        toast->setVisible(true);
+    }
+}
+
+//--------------------------------------------------------------------------
+void LLScreenChannel::showToastsTop()
+{
+    LLRect channel_rect = getChannelRect();
+
+    LLRect  toast_rect;
+    S32     top = channel_rect.mTop;
+    std::vector<ToastElem>::reverse_iterator it;
+
+    updateRect();
+
+    LLDockableFloater* floater = dynamic_cast<LLDockableFloater*>(LLDockableFloater::getInstanceHandle().get());
+
+    // Use a local variable instead of mToastList.
+    // mToastList can be modified during recursive calls and then all iteratos will be invalidated.
+    std::vector<ToastElem> vToastList( mToastList );
+
+    for(it = vToastList.rbegin(); it != vToastList.rend(); ++it)
+    {
+        if(it != vToastList.rbegin())
+        {
+            LLToast* toast = (it-1)->getToast();
+            if (!toast)
+            {
+                LL_WARNS() << "Attempt to display a deleted toast." << LL_ENDL;
+                return;
+            }
+
+            top = toast->getRect().mBottom - toast->getTopPad();
+            gSavedSettings.getS32("ToastGap");
+        }
+
+        LLToast* toast = it->getToast();
+        if (!toast)
+        {
+            LL_WARNS() << "Attempt to display a deleted toast." << LL_ENDL;
+            return;
+        }
+
+        toast_rect = toast->getRect();
+        toast_rect.setLeftTopAndSize(channel_rect.mRight - toast_rect.getWidth(),
+            top, toast_rect.getWidth(),
+            toast_rect.getHeight());
+        toast->setRect(toast_rect);
+
+        if(floater && floater->overlapsScreenChannel())
+        {
+            if(it == vToastList.rbegin())
+            {
+                // move first toast above docked floater
+                S32 shift = -floater->getRect().getHeight();
+                if(floater->getDockControl())
+                {
+                    shift -= floater->getDockControl()->getTongueHeight();
+                }
+                toast->translate(0, shift);
+            }
+
+            LLRect channel_rect = getChannelRect();
+            // don't show toasts if there is not enough space
+            if(toast_rect.mBottom < channel_rect.mBottom)
+            {
+                break;
+            }
+        }
+
+        bool stop_showing_toasts = toast->getRect().mBottom < channel_rect.mBottom;
+
+        if(!stop_showing_toasts)
+        {
+            if( it != vToastList.rend()-1)
+            {
+                S32 toast_bottom = toast->getRect().mBottom - gSavedSettings.getS32("ToastGap");
+                stop_showing_toasts = toast_bottom < channel_rect.mBottom;
+            }
+        }
+
+        // at least one toast should be visible
+        if(it == vToastList.rbegin())
+        {
+            stop_showing_toasts = false;
+        }
+
+        if(stop_showing_toasts)
+            break;
+
+        if (!toast->getVisible())
+        {
+            // HACK
+            // EXT-2653: it is necessary to prevent overlapping for secondary showed toasts
+            toast->setVisible(true);
+        }
+        if (!toast->hasFocus())
+        {
+            // Fixing Z-order of toasts (EXT-4862)
+            // Next toast will be positioned under this one.
+            gFloaterView->sendChildToBack(toast);
+        }
+    }
+
+    // Dismiss toasts we don't have space for (STORM-391).
+    std::vector<LLToast*> toasts_to_hide;
+
+    if(it != vToastList.rend())
+    {
+        mHiddenToastsNum = 0;
+
+        for(; it != vToastList.rend(); it++)
+        {
+            LLToast* toast = it->getToast();
+            if (toast)
+            {
+                toasts_to_hide.push_back(toast);
+            }
+        }
+    }
+
+    for (std::vector<LLToast*>::iterator it = toasts_to_hide.begin(), end_it = toasts_to_hide.end();
+        it != end_it;
+        ++it)
+    {
+        (*it)->hide();
+    }
+}
+
+//--------------------------------------------------------------------------
+void LLScreenChannel::createStartUpToast(S32 notif_num, F32 timer)
+{
+    LLScreenChannelBase::updateRect();
+
+    LLRect toast_rect;
+    LLToast::Params p;
+    p.lifetime_secs = timer;
+    p.enable_hide_btn = false;
+    mStartUpToastPanel = new LLToast(p);
+
+    if(!mStartUpToastPanel)
+        return;
+
+    mStartUpToastPanel->setOnFadeCallback(boost::bind(&LLScreenChannel::onStartUpToastHide, this));
+
+    LLPanel* wrapper_panel = mStartUpToastPanel->getChild<LLPanel>("wrapper_panel");
+    LLTextBox* text_box = mStartUpToastPanel->getChild<LLTextBox>("toast_text");
+
+    std::string text = LLTrans::getString("StartUpNotifications");
+
+    toast_rect = mStartUpToastPanel->getRect();
+    mStartUpToastPanel->reshape(getRect().getWidth(), toast_rect.getHeight(), true);
+
+    text_box->setValue(text);
+    text_box->setVisible(true);
+
+    text_box->reshapeToFitText();
+    text_box->setOrigin(text_box->getRect().mLeft, (wrapper_panel->getRect().getHeight() - text_box->getRect().getHeight())/2);
+
+    toast_rect.setLeftTopAndSize(0, getRect().getHeight() - gSavedSettings.getS32("ToastGap"), getRect().getWidth(), toast_rect.getHeight());
+    mStartUpToastPanel->setRect(toast_rect);
+
+    addChild(mStartUpToastPanel);
+
+    mStartUpToastPanel->setVisible(true);
+}
+
+// static --------------------------------------------------------------------------
+F32 LLScreenChannel::getHeightRatio()
+{
+    F32 ratio = gSavedSettings.getF32("NotificationChannelHeightRatio");
+    if(0.0f > ratio)
+    {
+        ratio = 0.0f;
+    }
+    else if(1.0f < ratio)
+    {
+        ratio = 1.0f;
+    }
+    return ratio;
+}
+
+//--------------------------------------------------------------------------
+void LLScreenChannel::updateStartUpString(S32 num)
+{
+    // *TODO: update string if notifications are arriving while the StartUp toast is on a screen
+}
+
+//--------------------------------------------------------------------------
+void LLScreenChannel::onStartUpToastHide()
+{
+    onCommit();
+}
+
+//--------------------------------------------------------------------------
+void LLScreenChannel::closeStartUpToast()
+{
+    if(mStartUpToastPanel != NULL)
+    {
+        mStartUpToastPanel->setVisible(false);
+        mStartUpToastPanel = NULL;
+    }
+}
+
+void LLNotificationsUI::LLScreenChannel::stopToastTimer(LLToast* toast)
+{
+    if (!toast || toast != mHoveredToast) return;
+
+    // Pause fade timer of the hovered toast.
+    toast->stopTimer();
+}
+
+void LLNotificationsUI::LLScreenChannel::startToastTimer(LLToast* toast)
+{
+    if (!toast || toast == mHoveredToast)
+    {
+        return;
+    }
+
+    // Reset its fade timer.
+    toast->startTimer();
+}
+
+//--------------------------------------------------------------------------
+void LLScreenChannel::hideToastsFromScreen()
+{
+    for(std::vector<ToastElem>::iterator it = mToastList.begin(); it != mToastList.end(); it++)
+    {
+        LLToast* toast = it->getToast();
+        if (toast)
+        {
+            toast->setVisible(false);
+        }
+        else
+        {
+            LL_WARNS() << "Attempt to hide a deleted toast." << LL_ENDL;
+        }
+    }
+}
+
+//--------------------------------------------------------------------------
+void LLScreenChannel::hideToast(const LLUUID& notification_id)
+{
+    std::vector<ToastElem>::iterator it = find(mToastList.begin(), mToastList.end(), notification_id);
+    if(mToastList.end() != it)
+    {
+        LLToast* toast = it->getToast();
+        if (toast)
+        {
+            toast->hide();
+        }
+        else
+        {
+            LL_WARNS() << "Attempt to hide a deleted toast." << LL_ENDL;
+        }
+    }
+}
+
+void LLScreenChannel::closeHiddenToasts(const Matcher& matcher)
+{
+    // since we can't guarantee that close toast operation doesn't change mToastList
+    // we collect matched toasts that should be closed into separate list
+    std::list<LLToast*> toasts;
+    for (std::vector<ToastElem>::iterator it = mToastList.begin(); it
+            != mToastList.end(); it++)
+    {
+        LLToast* toast = it->getToast();
+        // add to list valid toast that match to provided matcher criteria
+        if (toast != NULL && !toast->isDead() && toast->getNotification() != NULL
+                && !toast->getVisible() && matcher.matches(toast->getNotification()))
+        {
+            toasts.push_back(toast);
+        }
+    }
+
+    // close collected toasts
+    for (std::list<LLToast*>::iterator it = toasts.begin(); it
+            != toasts.end(); it++)
+    {
+        LLToast* toast = *it;
+        toast->closeFloater();
+    }
+}
+
+//--------------------------------------------------------------------------
+void LLScreenChannel::removeToastsFromChannel()
+{
+    hideToastsFromScreen();
+    for(std::vector<ToastElem>::iterator it = mToastList.begin(); it != mToastList.end(); it++)
+    {
+        deleteToast(it->getToast());
+    }
+    mToastList.clear();
+}
+
+//--------------------------------------------------------------------------
+void LLScreenChannel::removeAndStoreAllStorableToasts()
+{
+    if(mToastList.size() == 0)
+        return;
+
+    hideToastsFromScreen();
+    for(std::vector<ToastElem>::iterator it = mToastList.begin(); it != mToastList.end();)
+    {
+        LLToast* toast = it->getToast();
+        if(toast && toast->getCanBeStored())
+        {
+            storeToast(*it);
+            it = mToastList.erase(it);
+        }
+        else
+        {
+            ++it;
+        }
+    }
+    redrawToasts();
+}
+
+//--------------------------------------------------------------------------
+void LLScreenChannel::removeToastsBySessionID(LLUUID id)
+{
+    if(mToastList.size() == 0)
+        return;
+
+    hideToastsFromScreen();
+    for(std::vector<ToastElem>::iterator it = mToastList.begin(); it != mToastList.end();)
+    {
+        LLToast* toast = it->getToast();
+        if(toast && toast->getSessionID() == id)
+        {
+            deleteToast(toast);
+            it = mToastList.erase(it);
+        }
+        else
+        {
+            ++it;
+        }
+    }
+    redrawToasts();
+}
+
+//--------------------------------------------------------------------------
+void LLScreenChannel::onToastHover(LLToast* toast, bool mouse_enter)
+{
+    // because of LLViewerWindow::updateUI() that NOT ALWAYS calls onMouseEnter BEFORE onMouseLeave
+    // we must check hovering directly to prevent incorrect setting for hovering in a channel
+    if (mouse_enter)
+    {
+        if (toast->isHovered())
+        {
+            mHoveredToast = toast;
+        }
+    }
+    else if (mHoveredToast != NULL)
+    {
+        if (!mHoveredToast->isHovered())
+        {
+            mHoveredToast = NULL;
+        }
+    }
+
+    redrawToasts();
+}
+
+//--------------------------------------------------------------------------
+void LLScreenChannel::updateShowToastsState()
+{
+    LLDockableFloater* floater = dynamic_cast<LLDockableFloater*>(LLDockableFloater::getInstanceHandle().get());
+
+    if(!floater)
+    {
+        setShowToasts(true);
+        return;
+    }
+
+    updateRect();
+}
+
+//--------------------------------------------------------------------------
+
+LLToast* LLScreenChannel::getToastByNotificationID(LLUUID id)
+{
+    std::vector<ToastElem>::iterator it = find(mStoredToastList.begin(),
+            mStoredToastList.end(), id);
+
+    if (it == mStoredToastList.end())
+        return NULL;
+
+    return it->getToast();
+}