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#include "AUCarbonViewBase.h"

#include "AUControlGroup.h"

#include <map>

#include <vector>

#include "AUPulseShared.h"

#include "GenericAUView.h"

class AUPulseDetectorView : public GenericAUView {

public:

                            AUPulseDetectorView(AudioUnitCarbonView auv);

                            virtual ~AUPulseDetectorView();

    virtual void            RebuildUI();

protected:

    virtual OSStatus        CreateSpecificUI (Float32 inXOffset, Float32 inYOffset, Rect *outSize);

    void                    UpdatePulseDisplay();

    virtual void            HandlePropertyChange (const AudioUnitProperty  & inProp);

    virtual void            AddListenerEvents();

private:

    ControlRef              mLastFrameDisplay, 

                            mLastPulseDisplay, 

                            mNumMeasDisplay,    

                            mMeanDisplay, 

                            mStdDevDisplay, 

                            mMinDisplay, 

                            mMaxDisplay;

};

COMPONENT_ENTRY(AUPulseDetectorView)

AUPulseDetectorView::AUPulseDetectorView(AudioUnitCarbonView auv) 

        : GenericAUView(auv)

{

}

AUPulseDetectorView::~AUPulseDetectorView()

{

}

static CFStringRef resetStr = CFSTR("-");

void        AUPulseDetectorView::UpdatePulseDisplay()

{

    AUPulseMetrics metrics;

    UInt32 size = sizeof(metrics);

    OSStatus result = AudioUnitGetProperty (GetEditAudioUnit(), 

                                kAUPulseMetricsPropertyID, 

                                kAudioUnitScope_Global, 

                                0, 

                                &metrics, 

                                &size);

    if (result) return;

    if (metrics.isValid) 

    {

        Float64 sampleRate;

        size = sizeof(sampleRate);

        result = AudioUnitGetProperty (GetEditAudioUnit(), 

                                    kAudioUnitProperty_SampleRate, 

                                    kAudioUnitScope_Global, 

                                    0, 

                                    &sampleRate, 

                                    &size); 

        if (result) return;

        char cstr[64];

        sprintf (cstr, "%ld Samples, %.2f msecs", metrics.lastPulseTime, (metrics.lastPulseTime / sampleRate * 1000.)); 

        CFStringRef str = CFStringCreateWithCString (0, cstr, kCFStringEncodingASCII);

        SetControlData (mLastPulseDisplay, 0, kControlStaticTextCFStringTag, sizeof(CFStringRef), &str);

        CFRelease (str);

        sprintf (cstr, "%ld Samples, %.2f msecs", metrics.numFrames, (metrics.numFrames / sampleRate * 1000.)); 

        str = CFStringCreateWithCString (0, cstr, kCFStringEncodingASCII);

        SetControlData (mLastFrameDisplay, 0, kControlStaticTextCFStringTag, sizeof(CFStringRef), &str);

        CFRelease (str);

        sprintf (cstr, "%ld", metrics.numMeasurements); 

        str = CFStringCreateWithCString (0, cstr, kCFStringEncodingASCII);

        SetControlData (mNumMeasDisplay, 0, kControlStaticTextCFStringTag, sizeof(CFStringRef), &str);

        CFRelease (str);

        sprintf (cstr, "%.2f", metrics.mean);   

        str = CFStringCreateWithCString (0, cstr, kCFStringEncodingASCII);

        SetControlData (mMeanDisplay, 0, kControlStaticTextCFStringTag, sizeof(CFStringRef), &str);

        CFRelease (str);

        if (metrics.stdDev)

        {

            sprintf (cstr, "%.2f", metrics.stdDev); 

            CFStringRef str = CFStringCreateWithCString (0, cstr, kCFStringEncodingASCII);

            SetControlData (mStdDevDisplay, 0, kControlStaticTextCFStringTag, sizeof(CFStringRef), &str);

            CFRelease (str);

            sprintf (cstr, "%ld", metrics.min); 

            str = CFStringCreateWithCString (0, cstr, kCFStringEncodingASCII);

            SetControlData (mMinDisplay, 0, kControlStaticTextCFStringTag, sizeof(CFStringRef), &str);

            CFRelease (str);

            sprintf (cstr, "%ld", metrics.max); 

            str = CFStringCreateWithCString (0, cstr, kCFStringEncodingASCII);

            SetControlData (mMaxDisplay, 0, kControlStaticTextCFStringTag, sizeof(CFStringRef), &str);

            CFRelease (str);

            sprintf (cstr, "%.2f", metrics.mean);   

            str = CFStringCreateWithCString (0, cstr, kCFStringEncodingASCII);

            SetControlData (mMeanDisplay, 0, kControlStaticTextCFStringTag, sizeof(CFStringRef), &str);

            CFRelease (str);

        } 

        else 

        {

            SetControlData (mStdDevDisplay, 0, kControlStaticTextCFStringTag, sizeof(CFStringRef), &resetStr);

            SetControlData (mMinDisplay, 0, kControlStaticTextCFStringTag, sizeof(CFStringRef), &resetStr);

            SetControlData (mMaxDisplay, 0, kControlStaticTextCFStringTag, sizeof(CFStringRef), &resetStr);

        }

        if (!IsCompositWindow())

            DrawOneControl (mCarbonPane);       

    } else {

        CFStringRef str = CFSTR("<<Unable To Detect Pulse>>");

        SetControlData (mLastPulseDisplay, 0, kControlStaticTextCFStringTag, sizeof(CFStringRef), &str);

        SetControlData (mLastFrameDisplay, 0, kControlStaticTextCFStringTag, sizeof(CFStringRef), &resetStr);

        if (!IsCompositWindow()) {

            DrawOneControl (mLastPulseDisplay);     

            DrawOneControl (mLastFrameDisplay);

        }

    }

}

OSStatus    AUPulseDetectorView::CreateSpecificUI (Float32 inXOffset, Float32 inYOffset, Rect *outSize)

{

    static const int kRowHeight = 24;

    static const int kHeadingBodyDist = 24;

    static const int kNameWidth = 200;

    int y = short(inYOffset) + kHeadingBodyDist;

    const int x = short(inXOffset);

    outSize->left= x;

    outSize->right= x;

    outSize->top = y;

    outSize->bottom = y;

    ControlFontStyleRec fontStyle;

    fontStyle.flags = kControlUseFontMask | kControlUseJustMask;

    fontStyle.font = kControlFontSmallSystemFont;

    Rect r = *outSize;

    r.bottom += kRowHeight + 8;

    ControlRef ref;

    OSStatus result;

// PULSE TIME

    r.right += kNameWidth;

    fontStyle.just = teFlushRight;

    require_noerr (result = CreateStaticTextControl (GetCarbonWindow(), &r, CFSTR("Last Pulse Time: "), &fontStyle, &ref), home);

    EmbedControl(ref);

    r.left += r.right;

    r.right += kNameWidth;

    fontStyle.just = teFlushLeft;

    require_noerr (result = CreateStaticTextControl (GetCarbonWindow(), &r, resetStr, &fontStyle, &mLastPulseDisplay), home);

    EmbedControl(mLastPulseDisplay);

    r.top += kRowHeight + 20;

    r.bottom = r.top + kRowHeight;

    r.left = x;

    r.right = x;

// LAST FRAME SIZE

    r.right += kNameWidth;

    fontStyle.just = teFlushRight;

    require_noerr (result = CreateStaticTextControl (GetCarbonWindow(), &r, CFSTR("Last Frame Size: "), &fontStyle, &ref), home);

    EmbedControl(ref);

    r.left += r.right;

    r.right += kNameWidth;

    fontStyle.just = teFlushLeft;

    require_noerr (result = CreateStaticTextControl (GetCarbonWindow(), &r, resetStr, &fontStyle, &mLastFrameDisplay), home);

    EmbedControl(mLastFrameDisplay);

    r.top += kRowHeight;

    r.bottom = r.top + kRowHeight;

    r.left = x;

    r.right = x;

// NUM MEASUREMENTS

    r.right += kNameWidth;

    fontStyle.just = teFlushRight;

    require_noerr (result = CreateStaticTextControl (GetCarbonWindow(), &r, CFSTR("Number of Measurements: "), &fontStyle, &ref), home);

    EmbedControl(ref);

    r.left += r.right;

    r.right += kNameWidth;

    fontStyle.just = teFlushLeft;

    require_noerr (result = CreateStaticTextControl (GetCarbonWindow(), &r, resetStr, &fontStyle, &mNumMeasDisplay), home);

    EmbedControl(mNumMeasDisplay);

    r.top += kRowHeight;

    r.bottom = r.top + kRowHeight;

    r.left = x;

    r.right = x;

// MEAN

    r.right += kNameWidth;

    fontStyle.just = teFlushRight;

    require_noerr (result = CreateStaticTextControl (GetCarbonWindow(), &r, CFSTR("Mean: "), &fontStyle, &ref), home);

    EmbedControl(ref);

    r.left += r.right;

    r.right += kNameWidth;

    fontStyle.just = teFlushLeft;

    require_noerr (result = CreateStaticTextControl (GetCarbonWindow(), &r, resetStr, &fontStyle, &mMeanDisplay), home);

    EmbedControl(mMeanDisplay);

    r.top += kRowHeight;

    r.bottom = r.top + kRowHeight;

    r.left = x;

    r.right = x;

// STANDARD DEVIATION

    r.right += kNameWidth;

    fontStyle.just = teFlushRight;

    require_noerr (result = CreateStaticTextControl (GetCarbonWindow(), &r, CFSTR("Standard Deviation: "), &fontStyle, &ref), home);

    EmbedControl(ref);

    r.left += r.right;

    r.right += kNameWidth;

    fontStyle.just = teFlushLeft;

    require_noerr (result = CreateStaticTextControl (GetCarbonWindow(), &r, resetStr, &fontStyle, &mStdDevDisplay), home);

    EmbedControl(mStdDevDisplay);

    r.top += kRowHeight;

    r.bottom = r.top + kRowHeight;

    r.left = x;

    r.right = x;

// MIN

    r.right += kNameWidth;

    fontStyle.just = teFlushRight;

    require_noerr (result = CreateStaticTextControl (GetCarbonWindow(), &r, CFSTR("Minimum: "), &fontStyle, &ref), home);

    EmbedControl(ref);

    r.left += r.right;

    r.right += kNameWidth;

    fontStyle.just = teFlushLeft;

    require_noerr (result = CreateStaticTextControl (GetCarbonWindow(), &r, resetStr, &fontStyle, &mMinDisplay), home);

    EmbedControl(mMinDisplay);

    r.top += kRowHeight;

    r.bottom = r.top + kRowHeight;

    r.left = x;

    r.right = x;

// MAX

    r.right += kNameWidth;

    fontStyle.just = teFlushRight;

    require_noerr (result = CreateStaticTextControl (GetCarbonWindow(), &r, CFSTR("Maximum: "), &fontStyle, &ref), home);

    EmbedControl(ref);

    r.left += r.right;

    r.right += kNameWidth;

    fontStyle.just = teFlushLeft;

    require_noerr (result = CreateStaticTextControl (GetCarbonWindow(), &r, resetStr, &fontStyle, &mMaxDisplay), home);

    EmbedControl(mMaxDisplay);

    outSize->bottom = r.bottom;

    outSize->right = y + kNameWidth + kNameWidth;

home:

    return result;

}

void        AUPulseDetectorView::RebuildUI()

{

    GenericAUView::RebuildUI();

    mLastFrameDisplay = 0;

    mLastPulseDisplay = 0;

    mNumMeasDisplay = 0;

    mMeanDisplay = 0;

    mStdDevDisplay = 0;

    mMinDisplay = 0;

    mMaxDisplay = 0;

}

void        AUPulseDetectorView::AddListenerEvents()

{

    AudioUnitEvent e;

    e.mEventType = kAudioUnitEvent_PropertyChange;

    e.mArgument.mProperty.mAudioUnit = mEditAudioUnit;

    e.mArgument.mProperty.mScope = kAudioUnitScope_Global;

    e.mArgument.mProperty.mElement = 0;

    e.mArgument.mProperty.mPropertyID = kAUPulseMetricsPropertyID;

    AUEventListenerAddEventType(mEventListener, this, &e);

}

void    AUPulseDetectorView::HandlePropertyChange (const AudioUnitProperty  & inProp)

{

    if (inProp.mPropertyID == kAUPulseMetricsPropertyID) 

        UpdatePulseDisplay();

}