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/*
File: AUCarbonViewBase.h
Abstract: Part of CoreAudio Utility Classes
Version: 1.1
Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple
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 Apple's 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 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.
Copyright (C) 2014 Apple Inc. All Rights Reserved.
*/
#ifndef __AUCarbonViewBase_h__
#define __AUCarbonViewBase_h__
#include <vector>
#include "AUCarbonViewControl.h"
#include "ComponentBase.h"
static const Float32 kDefaultNotificationInterval = 0.100;
/*! @class AUCarbonViewBase */
class AUCarbonViewBase : public ComponentBase, public CarbonEventHandler
{
public:
/*! @ctor AUCarbonViewBase */
AUCarbonViewBase ( AudioUnitCarbonView inInstance,
Float32 inNotificationInterval = kDefaultNotificationInterval /* in seconds */);
/*! @dtor ~AUCarbonViewBase */
virtual ~AUCarbonViewBase();
// AUViewBase overrides
/*! @method CreateCarbonView */
virtual OSStatus CreateCarbonView (AudioUnit inAudioUnit, WindowRef inWindow, ControlRef inParentControl, const Float32Point &inLocation, const Float32Point &inSize, ControlRef &outParentControl);
// our own virtual methods
/*! @method CreateUI */
virtual OSStatus CreateUI (Float32 inXOffset, Float32 inYOffset);
/*! @method HandleEvent */
virtual bool HandleEvent (EventHandlerCallRef inHandlerRef, EventRef event);
/*! @method GetEditAudioUnit */
const AudioUnit GetEditAudioUnit () const { return mEditAudioUnit; }
//
/*! @method ComponentEntryDispatch */
static OSStatus ComponentEntryDispatch (
ComponentParameters * params,
AUCarbonViewBase * This);
/*! @method AddCarbonControl */
void AddCarbonControl (
AUCarbonViewControl::ControlType type,
const CAAUParameter & param,
ControlRef control);
/*! @method GetCarbonWindow */
WindowRef GetCarbonWindow () { return mCarbonWindow; }
/*! @method GetCarbonPane */
ControlRef GetCarbonPane () { return mCarbonPane; }
/*! @method EmbedControl */
OSStatus EmbedControl (ControlRef ctl);
/*! @method TellListener */
void TellListener (const CAAUParameter &auvp, AudioUnitCarbonViewEventID event, void *evpar);
// pass in true if wanting an update to the view and you're calling this from a thread
// that is safe to do UI in.
// If you don't know, pass in false!
/*! @method Update */
void Update (bool inUIThread);
/*! @method GetXOffset */
Float32 GetXOffset () { return mXOffset; }
/*! @method GetYOffset */
Float32 GetYOffset () { return mYOffset; }
/*! @method ClearControls */
void ClearControls ();
/*! @method IsCompositWindow */
bool IsCompositWindow () const { return mCompositWindow; }
protected:
#if !__LP64__
/*! @method SetEventListener */
void SetEventListener (AudioUnitCarbonViewEventListener listener, void *userData)
{
mEventListener = listener;
mEventListenerUserData = userData;
}
#endif
/*! @method AddControl */
void AddControl (AUCarbonViewControl *control);
/*! @method RemoveControl */
void RemoveControl (AUCarbonViewControl *control);
OSStatus CreateEventLoopTimer (Float32 inDelay, Float32 inInterval);
/*! @method ParameterListener */
static void ParameterListener (void * inCallbackRefCon,
void * inObject,
const AudioUnitEvent * inEvent,
UInt64 inEventHostTime,
Float32 inParameterValue);
static pascal void TheTimerProc ( EventLoopTimerRef inTimer,
void * inUserData);
virtual void RespondToEventTimer (EventLoopTimerRef inTimer);
/*! @var mEditAudioUnit */
AudioUnit mEditAudioUnit; // the AU we're controlling
/*! @var mParameterListener */
AUEventListenerRef mParameterListener;
#if !__LP64__
/*! @var mEventListener */
AudioUnitCarbonViewEventListener
mEventListener;
#endif
/*! @var mEventListenerUserData */
void * mEventListenerUserData;
private:
typedef std::vector<AUCarbonViewControl *> ControlList;
/*! @var mControlList */
ControlList mControlList;
EventLoopTimerRef mTimerRef;
EventLoopTimerUPP mTimerUPP;
protected:
/*! @var mCarbonWindow */
WindowRef mCarbonWindow;
/*! @var mCarbonPane */
ControlRef mCarbonPane; // user pane, contains all other controls
/*! @var mBottomRight */
Point mBottomRight; // largest width and height of child controls
/*! @var mXOffset */
Float32 mXOffset;
/*! @var mYOffset */
Float32 mYOffset;
/*! @var mCompositWindow */
bool mCompositWindow;
/*! @var mCurrentScrollPoint */
HIPoint mCurrentScrollPoint; // needed for scrolling
};
#endif // __AUCarbonViewBase_h__
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