CoreAudio/PublicUtility/CACFPlugIn.h
/* |
File: CACFPlugIn.h |
Abstract: Part of CoreAudio Utility Classes |
Version: 1.1 |
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*/ |
#if !defined(__CACFPlugIn_h__) |
#define __CACFPlugIn_h__ |
//================================================================================================== |
// Includes |
//================================================================================================== |
// System Includes |
#include <CoreAudio/CoreAudioTypes.h> |
#include <CoreFoundation/CFPlugIn.h> |
//================================================================================================== |
// CACFPlugIn |
//================================================================================================== |
class CACFPlugIn |
{ |
// Construction/Destruction |
public: |
CACFPlugIn() : mCFPlugIn(NULL), mWillRelease(true) {} |
CACFPlugIn(CFPlugInRef inCFPlugIn, bool inWillRelease = true) : mCFPlugIn(inCFPlugIn), mWillRelease(inWillRelease) {} |
CACFPlugIn(CFURLRef inURL, bool inWillRelease = true) : mCFPlugIn(CFPlugInCreate(NULL, inURL)), mWillRelease(inWillRelease) {} |
~CACFPlugIn() { Release(); } |
CACFPlugIn(const CACFPlugIn& inObject) : mCFPlugIn(inObject.mCFPlugIn), mWillRelease(inObject.mWillRelease) { Retain(); } |
CACFPlugIn& operator=(const CACFPlugIn& inObject) { Release(); mCFPlugIn = inObject.mCFPlugIn; mWillRelease = inObject.mWillRelease; Retain(); return *this; } |
CACFPlugIn& operator=(CFPlugInRef inCFPlugIn) { Release(); mCFPlugIn = inCFPlugIn; mWillRelease = true; return *this; } |
private: |
void Retain() { if(mWillRelease && (mCFPlugIn != NULL)) { CFRetain(mCFPlugIn); } } |
void Release() { if(mWillRelease && (mCFPlugIn != NULL)) { CFRelease(mCFPlugIn); mCFPlugIn = NULL; } } |
CFPlugInRef mCFPlugIn; |
bool mWillRelease; |
// Operations |
public: |
void AllowRelease() { mWillRelease = true; } |
void DontAllowRelease() { mWillRelease = false; } |
bool IsValid() const { return mCFPlugIn != NULL; } |
CFBundleRef GetBundle() const { CFBundleRef theAnswer = NULL; if(IsValid()) { theAnswer = CFPlugInGetBundle(mCFPlugIn); } return theAnswer; } |
CFStringRef CopyBundleID() const { CFStringRef theAnswer = NULL; CFBundleRef theBundle = GetBundle(); if(IsValid() && (theBundle != NULL)) { theAnswer = CFBundleGetIdentifier(theBundle); if(theAnswer != NULL) { CFRetain(theAnswer); } } return theAnswer; } |
UInt32 GetBundleVersion() const { UInt32 theAnswer = 0; CFBundleRef theBundle = GetBundle(); if(IsValid() && (theBundle != NULL)) { theAnswer = CFBundleGetVersionNumber(theBundle); } return theAnswer; } |
CFDictionaryRef CopyBundleInfo() const { CFDictionaryRef theAnswer = NULL; CFBundleRef theBundle = GetBundle(); if(IsValid() && (theBundle != NULL)) { theAnswer = CFBundleGetInfoDictionary(theBundle); if(theAnswer != NULL) { CFRetain(theAnswer); } } return theAnswer; } |
CFArrayRef FindFactoriesForType(CFUUIDRef inTypeUUID) const { CFArrayRef theAnswer = NULL; if(IsValid()) { theAnswer = CFPlugInFindFactoriesForPlugInTypeInPlugIn(inTypeUUID, mCFPlugIn); } return theAnswer; } |
// Value Access |
public: |
CFPlugInRef GetCFPlugIn() const { return mCFPlugIn; } |
CFPlugInRef CopyCFPlugIn() const { if(mCFPlugIn != NULL) { CFRetain(mCFPlugIn); } return mCFPlugIn; } |
}; |
#endif |
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