Initial checkin; MimeDatabase class used to handle all actual mime

database access. git-svn-id: file:///srv/svn/repos/haiku/trunk/current@785 a95241bf-73f2-0310-859d-f6bbb57e9c96
2002-08-16 22:00:37 +00:00
parent c0de18bddf
commit 9f3d4851ac
2 changed files with 568 additions and 0 deletions
@@ -0,0 +1,97 @@
+// MimeDatabase.h
+
+#ifndef _MIME_DATABASE_H
+#define _MIME_DATABASE_H
+
+#include <Messenger.h>
+#include <StorageDefs.h>
+
+#include <string>
+#include <set>
+
+class BNode;
+
+namespace BPrivate {
+
+class MimeDatabase  {
+public:
+	MimeDatabase(const char *databaseDir = kDefaultDatabaseDir);
+	~MimeDatabase();
+	
+	status_t InitCheck();
+
+	/* These functions are for managing data in the meta mime file*/
+	status_t Install(const char *type);
+	status_t Delete(const char *type);
+	bool IsInstalled(const char *type) const;
+//	status_t GetIcon(BBitmap *icon, icon_size size) const;
+//	status_t GetPreferredApp(char *signature, app_verb verb = B_OPEN) const;
+//	status_t GetAttrInfo(BMessage *info) const;
+//	status_t GetFileExtensions(BMessage *extensions) const;
+	status_t GetShortDescription(const char *type, char *description) const;
+	status_t GetLongDescription(const char *type, char *description) const;
+//	status_t GetSupportingApps(BMessage *signatures) const;
+
+//	status_t SetIcon(const BBitmap *icon, icon_size size);
+//	status_t SetPreferredApp(const char *signature, app_verb verb = B_OPEN);
+//	status_t SetAttrInfo(const BMessage *info);
+//	status_t SetFileExtensions(const BMessage *extensions);
+	status_t SetShortDescription(const char *type, const char *description);	
+	status_t SetLongDescription(const char *type, const char *description);
+
+//	static status_t GetInstalledSupertypes(BMessage *super_types);
+//	static status_t GetInstalledTypes(BMessage *types);
+//	static status_t GetInstalledTypes(const char *super_type,
+//									  BMessage *subtypes);
+//	static status_t GetWildcardApps(BMessage *wild_ones);
+//	static bool IsValid(const char *mimeType);
+//
+//	status_t GetAppHint(entry_ref *ref) const;
+//	status_t SetAppHint(const entry_ref *ref);
+
+	/* for application signatures only.*/
+//	status_t GetIconForType(const char *type, BBitmap *icon,
+//							icon_size which) const;
+//	status_t SetIconForType(const char *type, const BBitmap *icon,
+//							icon_size which);
+
+	/* sniffer rule manipulation */
+//	status_t GetSnifferRule(BString *result) const;
+//	status_t SetSnifferRule(const char *);
+//	static status_t CheckSnifferRule(const char *rule, BString *parseError);
+
+	/* calls to ask the sniffer to identify the MIME type of a file or data in
+	   memory */
+//	static status_t GuessMimeType(const entry_ref *file, BMimeType *result);
+//	static status_t GuessMimeType(const void *buffer, int32 length,
+//								  BMimeType *result);
+//	static status_t GuessMimeType(const char *filename, BMimeType *result);
+
+	status_t StartWatching(BMessenger target);
+	status_t StopWatching(BMessenger target);
+
+	static const char* kDefaultDatabaseDir;
+private:
+	ssize_t ReadMimeAttr(const char *type, const char *attr, void *data,
+	                       size_t len, type_code datatype) const;
+	status_t WriteMimeAttr(const char *type, const char *attr, const void *data,
+						     size_t len, type_code datatype);	
+	status_t OpenType(const char *type, BNode *result) const;
+	status_t OpenOrCreateType(const char *type, BNode *result);
+	inline std::string TypeToFilename(const char *type) const;
+	
+	status_t SendMonitorUpdate(int32 which, const char *type, const char *extraType, bool largeIcon);
+	status_t SendMonitorUpdate(int32 which, const char *type, const char *extraType);
+	status_t SendMonitorUpdate(int32 which, const char *type, bool largeIcon);
+	status_t SendMonitorUpdate(int32 which, const char *type);
+	status_t SendMonitorUpdate(BMessage &msg);
+	
+	
+	std::string fDatabaseDir;
+	status_t fCStatus;
+	std::set<BMessenger> fMonitorSet;
+};
+
+} // namespace BPrivate
+
+#endif	// _MIME_DATABASE_H