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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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(long long round) in VS2013
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another attempt to move mem stat into base class
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not discoverable:
- final solution;
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changed LLCriticalDamp to LLSmoothInterpolation and sped up interpolator lookup
improvements to stats display of llstatbar
added scene load stats floater accessed with ctrl|shift|2
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collapsed Orientation enums to all use LLView::EOrientation
added ability to display stat bar horizontally
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behavior of the layout stack test and found a mathematical bug that caused panels in a layout stack to jitter as they were resized. Submitting in this branch.
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its conversation reduced to the minimum width, once re-docked the conversation does not expand. Solution: Discussed problem with Richard, and I'm submitting the changes required to fix the problem.
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does not resize list)
*fixed missing parentheses from last push
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does not resize list)
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added get/setTargetDim() for managing layout_panel size even if its collapsed/invisible/etc
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ensure that layout stack has updated its layout before manually resizing one of its elements
(which was causing the manual resize to be stomped on by the newly triggered layout update)
made layout stack animation occur even when layout stack not visible (inventory will appear in proper open/closed state)
LLView::setShape() now only calls handleReshape() when dimensions change
removed extraneous calls to LLLayoutStack::updateClass() so that it should be called only
once per frame now, allowing it to limit animation updates to layout stacks to one per frame.
fixed rendering glitches arising from reshaping LLFolderView while in the middle of its draw() method
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fixed layout stack so programmatic size updates will work correctly
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didn't account properly for collapsed panels
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more layout logic fixes and added renormalization to fractional sizes to eliminate drift
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fixed layout logic when dealing with invisibile layout_panels
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panel is maximized in Inventory window
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viewer
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more work if the intent was to always get that pointer.
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Outbox floater was previously minimized
rewrote layout_stack resizing logic to be symmetrical
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fixed button layout for icon+text
layout stack now uses floating point precision to avoid clamping panels to 0
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horizontally or vertically
buttons are now centered and sized according to content
created floater_test_toolbar.xml to test
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changed ordering of template loading relative to constructor setting of params
moved a lot of constructor-set params to template files
reviewed by Leslie
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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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