Crashfix: showToastsTop/Bottom, don't iterate over mToastList. The member can change during recursive calls, invalidating iterators.

Nicky 2012-07-14 03:10:24 +02:00
parent 6fab95060f
commit 9b856a124a
1 changed files with 26 additions and 14 deletions

View File

@ -571,9 +571,13 @@ void LLScreenChannel::showToastsBottom()
LLDockableFloater* floater = dynamic_cast<LLDockableFloater*>(LLDockableFloater::getInstanceHandle().get());
for(it = mToastList.rbegin(); it != mToastList.rend(); ++it)
// 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 != mToastList.rbegin())
if(it != vToastList.rbegin())
{
LLToast* toast = (it-1)->getToast();
if (!toast)
@ -601,7 +605,7 @@ void LLScreenChannel::showToastsBottom()
if(floater && floater->overlapsScreenChannel())
{
if(it == mToastList.rbegin())
if(it == vToastList.rbegin())
{
// move first toast above docked floater
S32 shift = floater->getRect().getHeight();
@ -624,7 +628,7 @@ void LLScreenChannel::showToastsBottom()
if(!stop_showing_toasts)
{
if( it != mToastList.rend()-1)
if( it != vToastList.rend()-1)
{
S32 toast_top = toast->getRect().mTop + gSavedSettings.getS32("ToastGap");
stop_showing_toasts = toast_top > getRect().mTop;
@ -632,7 +636,8 @@ void LLScreenChannel::showToastsBottom()
}
// at least one toast should be visible
if(it == mToastList.rbegin())
if(it == vToastList.rbegin())
{
stop_showing_toasts = false;
}
@ -655,10 +660,11 @@ void LLScreenChannel::showToastsBottom()
}
// Dismiss toasts we don't have space for (STORM-391).
if(it != mToastList.rend())
if(it != vToastList.rend())
{
mHiddenToastsNum = 0;
for(; it != mToastList.rend(); it++)
for(; it != vToastList.rend(); it++)
{
LLToast* toast = it->getToast();
if (toast)
@ -714,9 +720,13 @@ void LLScreenChannel::showToastsTop()
LLDockableFloater* floater = dynamic_cast<LLDockableFloater*>(LLDockableFloater::getInstanceHandle().get());
for(it = mToastList.rbegin(); it != mToastList.rend(); ++it)
// 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 != mToastList.rbegin())
if(it != vToastList.rbegin())
{
LLToast* toast = (it-1)->getToast();
if (!toast)
@ -744,7 +754,7 @@ void LLScreenChannel::showToastsTop()
if(floater && floater->overlapsScreenChannel())
{
if(it == mToastList.rbegin())
if(it == vToastList.rbegin())
{
// move first toast above docked floater
S32 shift = -floater->getRect().getHeight();
@ -767,7 +777,7 @@ void LLScreenChannel::showToastsTop()
if(!stop_showing_toasts)
{
if( it != mToastList.rend()-1)
if( it != vToastList.rend()-1)
{
S32 toast_bottom = toast->getRect().mBottom - gSavedSettings.getS32("ToastGap");
stop_showing_toasts = toast_bottom < channel_rect.mBottom;
@ -775,7 +785,7 @@ void LLScreenChannel::showToastsTop()
}
// at least one toast should be visible
if(it == mToastList.rbegin())
if(it == vToastList.rbegin())
{
stop_showing_toasts = false;
}
@ -799,10 +809,12 @@ void LLScreenChannel::showToastsTop()
// Dismiss toasts we don't have space for (STORM-391).
std::vector<LLToast*> toasts_to_hide;
if(it != mToastList.rend())
if(it != vToastList.rend())
{
mHiddenToastsNum = 0;
for(; it != mToastList.rend(); it++)
for(; it != vToastList.rend(); it++)
{
LLToast* toast = it->getToast();
if (toast)