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The previous implementation went to some effort to crash if anyone attempted
to create or destroy an LLInstanceTracker subclass instance during traversal.
That restriction is manageable within a single thread, but becomes unworkable
if it's possible that a given subclass might be used on more than one thread.
Remove LLInstanceTracker::instance_iter, beginInstances(), endInstances(),
also key_iter, beginKeys() and endKeys(). Instead, introduce key_snapshot()
and instance_snapshot(), the only means of iterating over LLInstanceTracker
instances. (These are intended to resemble functions, but in fact the current
implementation simply presents the classes.) Iterating over a captured
snapshot defends against container modifications during traversal. The term
'snapshot' reminds the coder that a new instance created during traversal will
not be considered. To defend against instance deletion during traversal, a
snapshot stores std::weak_ptrs which it lazily dereferences, skipping on the
fly any that have expired.
Dereferencing instance_snapshot::iterator gets you a reference rather than a
pointer. Because some use cases want to delete all existing instances, add an
instance_snapshot::deleteAll() method that extracts the pointer. Those cases
used to require explicitly copying instance pointers into a separate
container; instance_snapshot() now takes care of that. It remains the caller's
responsibility to ensure that all instances of that LLInstanceTracker subclass
were allocated on the heap.
Replace unkeyed static LLInstanceTracker::getInstance(T*) -- which returned
nullptr if that instance had been destroyed -- with new getWeak() method
returning std::weak_ptr<T>. Caller must detect expiration of that weak_ptr.
Adjust tests accordingly.
Use of std::weak_ptr to detect expired instances requires engaging
std::shared_ptr in the constructor. We now store shared_ptrs in the static
containers (std::map for keyed, std::set for unkeyed).
Make LLInstanceTrackerBase a template parameterized on the type of the static
data it manages. For that reason, hoist static data class declarations out of
the class definitions to an LLInstanceTrackerStuff namespace.
Remove the static atomic sIterationNestDepth and its methods incrementDepth(),
decrementDepth() and getDepth(), since they were used only to forbid creation
and destruction during traversal.
Add a std::mutex to static data. Introduce an internal LockStatic class that
locks the mutex while providing a pointer to static data, making that the only
way to access the static data.
The LLINSTANCETRACKER_DTOR_NOEXCEPT macro goes away because we no longer
expect ~LLInstanceTracker() to throw an exception in test programs.
That affects LLTrace::StatBase as well as LLInstanceTracker itself.
Adapt consumers to the new LLInstanceTracker API.
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variables [-Wunused-const-variable]
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panel - profile panel position changes do not persist
EXP-1030 FIX Search button toggle can get out of synch in bottom bar
made llinstancetracker::iterator do own nested level management (removing need for separate guard)
added support for filename= to floaters
can pass in arbitrary window_class to floaters
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reviewed by Mani
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Checker: UNINIT_CTOR
Function: LLConsole::LLConsole(const LLConsole::Params &)
File: /indra/llui/llconsole.cpp
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Optimized LLFolderViewItem constructor by passing param block as
const ref to avoid copies.
Removed per-item arrow and background images, use defaults.
Removed unneeded static image pointers.
Removed hard-coded rounded_square.tga, replaced with Rounded_Square
Ditto for folder_arrow.tga
Reviewed with Richard.
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EWordWrapStyle
fixes regression introduced in 3eef5ce9ae1e6fc62b9b52ce859501dd4e70fadf
reviewed by Brad
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EXT-3647 - Auto-scrolling of IMs should resume when user types in chat
EXT-3877 - Pinning two levels of menus prevents movement using arrow keys
EXT-1303 - Hyperlink text wraps in the middle of a word
reviewed by James
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drawn.
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EXT-1219 Side tray slide-out animation
cleaned up some layout of bottom tray contents
reviewed by James
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Added getFontDefault() to llfontgl.h
--HG--
branch : branch-test
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tooltips to 3D avatars, 2D avatar names, and 3D objects. Refactors tooltips and text boxes, line editors, and text editors. Breaks LLExpandableTextBox, but a fix is coming.
Resolved conflicts in lltexteditor.cpp, llchatitemscontainerctrl.cpp, llchatmsgbox.cpp, llfloaterbuycurrency.cpp, llnearbychat.cpp, floater_buy_currency.xml, and ru/strings.xml
Merging revisions 134925-135157 of svn+ssh://svn.lindenlab.com/svn/linden/branches/gooey/gooey-4 into C:\source\viewer-2.0.0-3, respecting ancestry
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UI color refactoring and new FreeType font library on Linux.
svn merge -r126038:126164 svn+ssh://svn.lindenlab.com/svn/linden/branches/skinning/xui-army-5
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ignore-dead-branch
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