nsilocalfile.h

linux下的一款播放器

/*
 * DO NOT EDIT.  THIS FILE IS GENERATED FROM nsILocalFile.idl
 */

#ifndef __gen_nsILocalFile_h__
#define __gen_nsILocalFile_h__


#ifndef __gen_nsIFile_h__
#include "nsIFile.h"
#endif

/* For IDL files that don't want to include root IDL files. */
#ifndef NS_NO_VTABLE
#define NS_NO_VTABLE
#endif
#include "prio.h"
#include "prlink.h"
#include <stdio.h>
#include "nsAString.h"

/* starting interface:    nsILocalFile */
#define NS_ILOCALFILE_IID_STR "aa610f20-a889-11d3-8c81-000064657374"

#define NS_ILOCALFILE_IID \
  {0xaa610f20, 0xa889, 0x11d3, \
    { 0x8c, 0x81, 0x00, 0x00, 0x64, 0x65, 0x73, 0x74 }}

/**
 * This interface adds methods to nsIFile that are particular to a file
 * that is accessible via the local file system.
 *
 * It follows the same string conventions as nsIFile.
 *
 * @status FROZEN
 */
class NS_NO_VTABLE nsILocalFile : public nsIFile {
 public: 

  NS_DEFINE_STATIC_IID_ACCESSOR(NS_ILOCALFILE_IID)

  /**
     *  initWith[Native]Path
     *
     *  This function will initialize the nsILocalFile object.  Any
     *  internal state information will be reset.  
     *
     *  NOTE: This function has a known bug on the macintosh and
     *  other OSes which do not represent file locations as paths.
     *  If you do use this function, be very aware of this problem!
     *
     *   @param filePath       
     *       A string which specifies a full file path to a 
     *       location.  Relative paths will be treated as an
     *       error (NS_ERROR_FILE_UNRECOGNIZED_PATH).  For 
     *       initWithNativePath, the filePath must be in the native
     *       filesystem charset.
     */
  /* void initWithPath (in AString filePath); */
  NS_IMETHOD InitWithPath(const nsAString & filePath) = 0;

  /* [noscript] void initWithNativePath (in ACString filePath); */
  NS_IMETHOD InitWithNativePath(const nsACString & filePath) = 0;

  /**
     *  initWithFile
     *
     *  Initialize this object with another file
     *
     *   @param aFile
     *       the file this becomes equivalent to
     */
  /* void initWithFile (in nsILocalFile aFile); */
  NS_IMETHOD InitWithFile(nsILocalFile *aFile) = 0;

  /**
     *  followLinks
     *
     *  This attribute will determine if the nsLocalFile will auto
     *  resolve symbolic links.  By default, this value will be false
     *  on all non unix systems.  On unix, this attribute is effectively
     *  a noop.  
     *
     *  Be aware that changing this attribute from true to false after
     *  the nsILocalFile has been initialized may lead to errors.  This
     *  could happen if there were resolved symlink in the initialized
     *  path.  For example if you had /a/b/c where |b| was a symlink, 
     *  and you change this attribute to false, the next usage would 
     *  mostlikely fail.
     */
  /* attribute PRBool followLinks; */
  NS_IMETHOD GetFollowLinks(PRBool *aFollowLinks) = 0;
  NS_IMETHOD SetFollowLinks(PRBool aFollowLinks) = 0;

  /* [noscript] PRFileDescStar openNSPRFileDesc (in long flags, in long mode); */
  NS_IMETHOD OpenNSPRFileDesc(PRInt32 flags, PRInt32 mode, PRFileDesc * *_retval) = 0;

  /* [noscript] FILE openANSIFileDesc (in string mode); */
  NS_IMETHOD OpenANSIFileDesc(const char *mode, FILE * *_retval) = 0;

  /* [noscript] PRLibraryStar load (); */
  NS_IMETHOD Load(PRLibrary * *_retval) = 0;

  /* readonly attribute PRInt64 diskSpaceAvailable; */
  NS_IMETHOD GetDiskSpaceAvailable(PRInt64 *aDiskSpaceAvailable) = 0;

  /**
     *  appendRelative[Native]Path
     *
     *  Append a relative path to the current path of the nsILocalFile object.
     *
     *   @param relativeFilePath
     *       relativeFilePath is a native relative path. For security reasons,
     *       this cannot contain .. or cannot start with a directory separator.
     *       For the |appendRelativeNativePath| method, the relativeFilePath 
     *       must be in the native filesystem charset.
     */
  /* void appendRelativePath (in AString relativeFilePath); */
  NS_IMETHOD AppendRelativePath(const nsAString & relativeFilePath) = 0;

  /* [noscript] void appendRelativeNativePath (in ACString relativeFilePath); */
  NS_IMETHOD AppendRelativeNativePath(const nsACString & relativeFilePath) = 0;

  /**
     *  Accessor to a null terminated string which will specify
     *  the file in a persistent manner for disk storage.
     *
     *  The character set of this attribute is undefined.  DO NOT TRY TO
     *  INTERPRET IT AS HUMAN READABLE TEXT!
     */
  /* attribute ACString persistentDescriptor; */
  NS_IMETHOD GetPersistentDescriptor(nsACString & aPersistentDescriptor) = 0;
  NS_IMETHOD SetPersistentDescriptor(const nsACString & aPersistentDescriptor) = 0;

  /** 
     *  reveal
     *
     *  Ask the operating system to open the folder which contains
     *  this file or folder. This routine only works on platforms which 
     *  support the ability to open a folder...
     */
  /* void reveal (); */
  NS_IMETHOD Reveal(void) = 0;

  /** 
     *  launch
     *
     *  Ask the operating system to attempt to open the file. 
     *  this really just simulates "double clicking" the file on your platform.
     *  This routine only works on platforms which support this functionality.
     */
  /* void launch (); */
  NS_IMETHOD Launch(void) = 0;

  /**
     *  getRelativeDescriptor
     *
     *  Returns a relative file path in an opaque, XP format. It is therefore
     *  not a native path.
     *
     *  The character set of the string returned from this function is
     *  undefined.  DO NOT TRY TO INTERPRET IT AS HUMAN READABLE TEXT!
     *
     *   @param fromFile
     *       the file from which the descriptor is relative
     */
  /* ACString getRelativeDescriptor (in nsILocalFile fromFile); */
  NS_IMETHOD GetRelativeDescriptor(nsILocalFile *fromFile, nsACString & _retval) = 0;

  /**
     *  setRelativeDescriptor
     *
     *  Initializes the file to the location relative to fromFile using
     *  a string returned by getRelativeDescriptor.
     *
     *   @param fromFile
     *       the file to which the descriptor is relative
     *   @param relative
     *       the relative descriptor obtained from getRelativeDescriptor
*/
  /* void setRelativeDescriptor (in nsILocalFile fromFile, in ACString relativeDesc); */
  NS_IMETHOD SetRelativeDescriptor(nsILocalFile *fromFile, const nsACString & relativeDesc) = 0;

};

/* Use this macro when declaring classes that implement this interface. */
#define NS_DECL_NSILOCALFILE \
  NS_IMETHOD InitWithPath(const nsAString & filePath); \
  NS_IMETHOD InitWithNativePath(const nsACString & filePath); \