David Robillard
ab6f1ed9ba
git-svn-id: svn://localhost/ardour2/branches/midi@777 d708f5d6-7413-0410-9779-e7cbd77b26cf
121 lines
4.8 KiB
C++
121 lines
4.8 KiB
C++
/* Copyright: © Copyright 2005 Apple Computer, Inc. All rights reserved.
|
|
|
|
Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc.
|
|
("Apple") in consideration of your agreement to the following terms, and your
|
|
use, installation, modification or redistribution of this Apple software
|
|
constitutes acceptance of these terms. If you do not agree with these terms,
|
|
please do not use, install, modify or redistribute this Apple software.
|
|
|
|
In consideration of your agreement to abide by the following terms, and subject
|
|
to these terms, Apple grants you a personal, non-exclusive license, under AppleÕs
|
|
copyrights in this original Apple software (the "Apple Software"), to use,
|
|
reproduce, modify and redistribute the Apple Software, with or without
|
|
modifications, in source and/or binary forms; provided that if you redistribute
|
|
the Apple Software in its entirety and without modifications, you must retain
|
|
this notice and the following text and disclaimers in all such redistributions of
|
|
the Apple Software. Neither the name, trademarks, service marks or logos of
|
|
Apple Computer, Inc. may be used to endorse or promote products derived from the
|
|
Apple Software without specific prior written permission from Apple. Except as
|
|
expressly stated in this notice, no other rights or licenses, express or implied,
|
|
are granted by Apple herein, including but not limited to any patent rights that
|
|
may be infringed by your derivative works or by other works in which the Apple
|
|
Software may be incorporated.
|
|
|
|
The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO
|
|
WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
|
|
WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN
|
|
COMBINATION WITH YOUR PRODUCTS.
|
|
|
|
IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR
|
|
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
|
|
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION
|
|
OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT
|
|
(INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN
|
|
ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
/*=============================================================================
|
|
CAComponent.h
|
|
|
|
=============================================================================*/
|
|
|
|
#ifndef __CAComponent_h__
|
|
#define __CAComponent_h__
|
|
|
|
#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__)
|
|
#include <CoreServices/CoreServices.h>
|
|
#else
|
|
#include <ConditionalMacros.h>
|
|
#include <CoreServices.h>
|
|
#endif
|
|
|
|
#include "CAComponentDescription.h"
|
|
|
|
class CAComponent
|
|
{
|
|
public:
|
|
CAComponent ()
|
|
: mComp (0), mDesc(), mManuName(0), mAUName(0), mCompName(0), mCompInfo (0) {}
|
|
|
|
// if next is specifed that is used to find the next component after that one
|
|
CAComponent (const ComponentDescription& inDesc, CAComponent* next = 0);
|
|
|
|
CAComponent (const CAComponent& y)
|
|
: mComp (0), mDesc(), mManuName(0), mAUName(0), mCompName(0), mCompInfo (0) { *this = y; }
|
|
|
|
CAComponent (const Component& comp);
|
|
|
|
CAComponent (const ComponentInstance& compInst);
|
|
|
|
CAComponent (OSType inType, OSType inSubtype = 0, OSType inManu = 0);
|
|
|
|
~CAComponent ();
|
|
|
|
CAComponent& operator= (const CAComponent& y);
|
|
|
|
// returns true if this object references a valid component
|
|
bool IsValid () const { return Comp() != 0; }
|
|
|
|
bool HasAUStrings() const { SetCompNames (); return mManuName != 0; }
|
|
|
|
// CFStringRef should be retained by caller if needed beyond lifetime of this object
|
|
|
|
// Can return NULL if component doesn't follow AU naming conventions
|
|
CFStringRef GetAUManu () const { SetCompNames (); return mManuName; }
|
|
CFStringRef GetAUName () const { SetCompNames (); return mAUName ? mAUName : mCompName; }
|
|
|
|
// Return value of NULL indicates a problem getting that information from the component
|
|
CFStringRef GetCompName () const { SetCompNames(); return mCompName; }
|
|
CFStringRef GetCompInfo () const { SetCompInfo(); return mCompInfo; }
|
|
|
|
const CAComponentDescription& Desc () const { return mDesc; }
|
|
|
|
OSStatus Open (ComponentInstance& outInst) const
|
|
{
|
|
return OpenAComponent (Comp(), &outInst);
|
|
}
|
|
|
|
OSStatus GetResourceVersion (UInt32 &outVersion) const;
|
|
|
|
const Component& Comp() const { return mComp; }
|
|
|
|
void Print(FILE* file = stdout) const;
|
|
|
|
OSStatus Save (CFPropertyListRef *outData) const;
|
|
|
|
OSStatus Restore (CFPropertyListRef &inData);
|
|
|
|
private:
|
|
Component mComp;
|
|
CAComponentDescription mDesc;
|
|
|
|
CFStringRef mManuName, mAUName, mCompName, mCompInfo;
|
|
|
|
void SetCompNames () const;
|
|
void SetCompInfo () const;
|
|
void Clear ();
|
|
};
|
|
|
|
#endif
|