142 lines
3.1 KiB
C++
142 lines
3.1 KiB
C++
/*
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* Public domain source code.
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*
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* Author:
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* Joseph "looncraz" Groover <looncraz@satx.rr.com>
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*/
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#ifndef DECOR_INFO_H
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#define DECOR_INFO_H
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#include <Directory.h>
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#include <Entry.h>
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#include <Locker.h>
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#include <ObjectList.h>
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#include <String.h>
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class BWindow;
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namespace BPrivate {
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// NOTE: DecorInfo itself is not thread-safe
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class DecorInfo {
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public:
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DecorInfo();
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DecorInfo(const BString& path);
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DecorInfo(const entry_ref& ref);
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~DecorInfo();
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status_t SetTo(const entry_ref& ref);
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status_t SetTo(BString path);
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status_t InitCheck() const;
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void Unset();
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bool IsDefault() const;
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BString Path() const;
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// Returns "Default" for the default decorator
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const entry_ref* Ref() const;
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// Returns NULL if virtual (default) or InitCheck() != B_OK
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// The ref returned may NOT be the same as the one given to
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// SetTo or the constructor - we may have traversed a Symlink!
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BString Name() const;
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BString ShortcutName() const;
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BString Authors() const;
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BString ShortDescription() const;
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BString LongDescription() const;
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BString LicenseURL() const;
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BString LicenseName() const;
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BString SupportURL() const;
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float Version() const;
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time_t ModificationTime() const;
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bool CheckForChanges(bool &deleted);
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private:
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void _Init(bool is_update = false);
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private:
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entry_ref fRef;
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BString fPath;
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BString fName;
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BString fAuthors;
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BString fShortDescription;
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BString fLongDescription;
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BString fLicenseURL;
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BString fLicenseName;
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BString fSupportURL;
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float fVersion;
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time_t fModificationTime;
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status_t fInitStatus;
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};
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class DecorInfoUtility {
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public:
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DecorInfoUtility(bool scanNow = true);
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// NOTE: When scanNow is passed false,
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// scanning will be performed lazily, such
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// as in CountDecorators() and other
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// methods.
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~DecorInfoUtility();
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status_t ScanDecorators();
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// Can also be used to rescan for changes.
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// Warning: potentially destructive as we
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// will remove all DecorInfo objects which
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// no longer have a file system cousin.
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// TODO: Would a call-back mechanism be
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// worthwhile here?
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int32 CountDecorators();
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DecorInfo* DecoratorAt(int32);
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DecorInfo* FindDecorator(const BString& string);
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// Checks for ref.name, path, fName, and
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// "Default," an empty-string returns the
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// current decorator NULL on match failure
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DecorInfo* CurrentDecorator();
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DecorInfo* DefaultDecorator();
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bool IsCurrentDecorator(DecorInfo* decor);
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status_t SetDecorator(DecorInfo* decor);
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status_t SetDecorator(int32);
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status_t Preview(DecorInfo* decor, BWindow* window);
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private:
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DecorInfo* _FindDecor(const BString& path);
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status_t _ScanDecorators(BDirectory decoratorDirectory);
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private:
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BObjectList<DecorInfo> fList;
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BLocker fLock;
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bool fHasScanned;
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};
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} // namespace BPrivate
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using BPrivate::DecorInfo;
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using BPrivate::DecorInfoUtility;
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#endif // DECOR_INFO_H
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