1*c45d927aSAndrew Rist /**************************************************************
2cdf0e10cSrcweir  *
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21*c45d927aSAndrew Rist 
22*c45d927aSAndrew Rist 
23cdf0e10cSrcweir 
24cdf0e10cSrcweir #ifndef SD_SLIDESORTER_CACHE_REQUEST_PRIORITY_CLASS_HXX
25cdf0e10cSrcweir #define SD_SLIDESORTER_CACHE_REQUEST_PRIORITY_CLASS_HXX
26cdf0e10cSrcweir 
27cdf0e10cSrcweir namespace sd { namespace slidesorter { namespace cache {
28cdf0e10cSrcweir 
29cdf0e10cSrcweir 
30cdf0e10cSrcweir /** Each request for a preview creation has a priority.  This enum defines
31cdf0e10cSrcweir     the available priorities.  The special values MIN__CLASS and MAX__CLASS
32cdf0e10cSrcweir     are/can be used for validation and have to be kept up-to-date.
33cdf0e10cSrcweir */
34cdf0e10cSrcweir enum RequestPriorityClass
35cdf0e10cSrcweir {
36cdf0e10cSrcweir     MIN__CLASS = 0,
37cdf0e10cSrcweir 
38cdf0e10cSrcweir     // The slide is visible.  A preview does not yet exist.
39cdf0e10cSrcweir     VISIBLE_NO_PREVIEW = MIN__CLASS,
40cdf0e10cSrcweir     // The slide is visible.  A preview exists but is not up-to-date anymore.
41cdf0e10cSrcweir     VISIBLE_OUTDATED_PREVIEW,
42cdf0e10cSrcweir     // The slide is not visible.
43cdf0e10cSrcweir     NOT_VISIBLE,
44cdf0e10cSrcweir 
45cdf0e10cSrcweir     MAX__CLASS = NOT_VISIBLE
46cdf0e10cSrcweir };
47cdf0e10cSrcweir 
48cdf0e10cSrcweir 
49cdf0e10cSrcweir } } } // end of namespace ::sd::slidesorter::cache
50cdf0e10cSrcweir 
51cdf0e10cSrcweir #endif
52