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-- Sentinel category values applicable to any ZO_PrioritizedVisibility instance.
ZO_PRIORITIZED_VISIBILITY_CATEGORIES =
{
NONE = 0,
ALL = 2 ^ (ZO_INTEGER_53_MAX_BITS - 1), -- Highest order bit that can be combined with lower bits without an overflow condition.
}
end
-- Returns true if this object info is neither hidden by request nor a member of any of the specified suppressed categories.
return not (self.requestedHidden or ZO_FlagHelpers.MasksShareAnyFlag(self.categoryFlags, suppressedCategoriesMask))
end
-- Returns true if this object info has a higher priority than the specified object info.
end
end
end
end
end
-- Returns true if this object info has requested to be hidden.
end
-- Shows or hides the underlying object or control.
end
-- Sets or clears the request to hide flag.
end
end
end
-- 'object' can be a control or an object that implements a 'SetHidden' method.
-- Note that objects are immediately hidden when added.
-- Add all objects to the sentinel "All" category.
categoryFlags = ZO_FlagHelpers.SetMaskFlag(categoryFlags or ZO_PRIORITIZED_VISIBILITY_CATEGORIES.NONE, ZO_PRIORITIZED_VISIBILITY_CATEGORIES.ALL)
self.registeredObjects[object] = PrioritizedVisibilityObjectInfo:New(object, priority, categoryFlags, descriptor)
-- Create any suppressed category descriptor tables for this object's category
-- flag(s) that do not already exist.
end
end
end
-- Returns the object info associated with the specified object.
return objectInfo
end
-- Returns true if any of the specified category or categories is/are suppressed.
end
-- Returns true if the specified object is the highest priority object that has
-- requested to be shown and is not a member of any suppressed categories.
end
-- Returns true if the specified object is the highest priority object that has
-- requested to show and which is not a member of any suppressed categories.
return self.highestPriorityVisibleObject and object == self.highestPriorityVisibleObject:GetObject()
end
-- Sets or clears the specified category as suppressed.
-- Note that 'descriptor' should be a globally unique identifier of the system issuing the request.
return false
end
-- Add or remove descriptor for this suppressed category.
if suppressed then
else
end
-- Update the suppressed category mask.
self.suppressedCategoriesMask = ZO_FlagHelpers.SetMaskFlag(self.suppressedCategoriesMask, categoryFlag)
else
self.suppressedCategoriesMask = ZO_FlagHelpers.ClearMaskFlag(self.suppressedCategoriesMask, categoryFlag)
end
-- The suppressed categories changed; evaluate the new, highest priority visible object.
end
return true
end
-- Suppresses or unsuppresses the specified categories.
-- Note that 'descriptor' should be a globally unique identifier of the system issuing the request.
-- Iterate over all registered categories.
end
return true
end
-- If 'suppressed' is true, suppresses the specified categories and unsuppresses all other categories;
-- otherwise this unsuppresses the specified categories and suppresses all other categories.
-- Note that 'descriptor' should be a globally unique identifier of the system issuing the request.
-- Iterate over all registered categories.
local suppressCategory
if suppressed then
-- Suppress the category if specified in the mask; otherwise unsuppress the category.
else
-- Unsuppress the category if specified in the mask; otherwise suppress the category.
end
end
return true
end
-- Requests to show or hide the specified object or control.
-- Note that a request to show is granted once the object is
-- the highest priority object that requested to show and is
-- not a member of any suppressed category.
return
end
-- Update the requested hidden flag for this object.
-- Choose the new, highest priority, visible and unsuppressed object.
end
-- Rebuilds the prioritized objects array in order of highest to lowest priority.
end
end
-- New objects have been registered; update the prioritized object array.
end
-- Evaluate objects in order of highest to lowest priority
-- until an object that is valid for showing is found.
local highestPriorityVisibleObject = nil
-- This object has requested to show and is not a
-- member of any suppressed categories.
highestPriorityVisibleObject = objectInfo
break
end
end
local highestPriorityVisibleObjectChanged = self.highestPriorityVisibleObject ~= highestPriorityVisibleObject
if highestPriorityVisibleObjectChanged then
local newObjectInfo = highestPriorityVisibleObject
-- Hide the previously highest priority visible object.
end
-- Assign the new highest priority visible object.
-- Show the new highest priority visible object.
end
end
end |