45 lines
1.0 KiB
C++
45 lines
1.0 KiB
C++
/*
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* icons.[ch] written by Paolo Bacchilega, who writes:
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* "There is no problem for me, you can license my code
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* under whatever licence you wish :)"
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*
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*/
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#include "IconCache.h"
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#include "GtkCompat.h"
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#include <giomm/contenttype.h>
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#include <functional> // for std::less<>
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#include <map>
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#include <string>
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#include <string_view>
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#include <utility> // for std::move()
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using namespace std::literals;
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using IconCache = std::map<std::string, Glib::RefPtr<Gio::Icon>, std::less<>>;
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std::string_view const DirectoryMimeType = "folder"sv;
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std::string_view const UnknownMimeType = "unknown"sv;
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Glib::RefPtr<Gio::Icon> gtr_get_mime_type_icon(std::string_view mime_type)
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{
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static IconCache cache;
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if (auto mime_it = cache.find(mime_type); mime_it != std::end(cache))
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{
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return mime_it->second;
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}
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auto mime_type_str = std::string{ mime_type };
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auto icon = Gio::content_type_get_icon(mime_type_str);
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if (icon != nullptr)
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{
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cache.try_emplace(std::move(mime_type_str), icon);
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}
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return icon;
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}
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