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#include <precomp.h>
#include "xuiwa2slider.h"
#include <tataki/canvas/canvas.h>
#include <tataki/bitmap/bitmap.h>
#include <api/core/api_core.h>
#define WA2SLIDER_SEEK_INTERVAL 500
const wchar_t Wa2SliderXuiObjectStr[] = L"images"; // This is the xml tag
char Wa2SliderXuiSvcName[] = "Images XuiObject Service";
XMLParamPair Wa2Slider::params[] =
{
{WA2SLIDER_IMAGES, L"IMAGES"},
{WA2SLIDER_IMAGESSPACING, L"IMAGESSPACING"},
{WA2SLIDER_SOURCE, L"SOURCE"},
};
Wa2Slider::Wa2Slider()
: started(false)
{
realpos = 0;
imagesBitmap = 0;
spacing = 0;
action = ACT_NONE;
xuihandle = newXuiHandle();
CreateXMLParameters(xuihandle);
}
void Wa2Slider::CreateXMLParameters(int master_handle)
{
//WA2SLIDER_PARENT::CreateXMLParameters(master_handle);
int numParams = sizeof(params) / sizeof(params[0]);
hintNumberOfParams(xuihandle, numParams);
for (int i = 0;i < numParams;i++)
addParam(xuihandle, params[i], XUI_ATTRIBUTE_IMPLIED);
}
Wa2Slider::~Wa2Slider()
{
killTimer(Wa2Slider_TIMER_POS);
WASABI_API_MEDIACORE->core_delCallback(0, this);
delete(imagesBitmap);
}
int Wa2Slider::setXuiParam(int _xuihandle, int xmlattributeid, const wchar_t *xmlattributename, const wchar_t *value)
{
if (xuihandle == _xuihandle)
{
switch (xmlattributeid)
{
case WA2SLIDER_IMAGES: images = value; return 1;
case WA2SLIDER_IMAGESSPACING: spacing = WTOI(value); return 1;
case WA2SLIDER_SOURCE:
if (!_wcsicmp(value, L"volume")) action = ACT_VOLUME;
if (!_wcsicmp(value, L"balance")) action = ACT_BALANCE;
if (!_wcsicmp(value, L"seek")) action = ACT_SEEK;
return 1;
}
}
return WA2SLIDER_PARENT::setXuiParam(_xuihandle, xmlattributeid, xmlattributename, value);
}
int Wa2Slider::onInit()
{
WA2SLIDER_PARENT::onInit();
imagesBitmap = new SkinBitmap(images);
if (action == ACT_VOLUME)
corecb_onVolumeChange(WASABI_API_MEDIACORE->core_getVolume(0));
if (action == ACT_BALANCE)
corecb_onPanChange(WASABI_API_MEDIACORE->core_getPan(0));
if (action == ACT_SEEK)
{
corecb_onSeeked(WASABI_API_MEDIACORE->core_getPosition(0));
started = (WASABI_API_MEDIACORE->core_getStatus(0) != 0);
setTimer(Wa2Slider_TIMER_POS, WA2SLIDER_SEEK_INTERVAL);
}
WASABI_API_MEDIACORE->core_addCallback(0, this);
return 0;
}
int Wa2Slider::onPaint(Canvas *canvas)
{
if (imagesBitmap->getHeight() && spacing)
{
RECT r, r2;
getClientRect(&r2);
int nb = (imagesBitmap->getHeight() / spacing) - 1;
int which = 0;
switch (action)
{
case ACT_BALANCE:
{
int p = realpos;
int f = 32768; //FULL/2;
if (p > f)
{
which = (realpos - f) * nb / f;
}
else if (p < f)
{
which = (f - realpos) * nb / f;
}
else which = 0;
}
break;
case ACT_SEEK:
if (!started)
which = 0;
else
which = realpos * nb / 65536;
break;
case ACT_VOLUME:
which = realpos * nb / 65536;
break;
}
r.left = 0;
r.top = which * spacing;
r.bottom = which * spacing + (r2.bottom - r2.top);
r.right = r2.right - r2.left;
imagesBitmap->blitToRect(canvas, &r, &r2);
}
return WA2SLIDER_PARENT::onPaint(canvas);
}
int Wa2Slider::corecb_onVolumeChange(int newvol)
{
if (action != ACT_VOLUME) return 0;
realpos = (int)(((double)newvol * 65535.f) / 255.f);
invalidate();
return 0;
}
int Wa2Slider::corecb_onPanChange(int newpan)
{
if (action != ACT_BALANCE) return 0;
realpos = (int)(((double)(newpan + 127) * 65535.f) / 255.f);
invalidate();
return 0;
}
int Wa2Slider::corecb_onSeeked(int newpos)
{
if (action != ACT_SEEK) return 0;
int len = WASABI_API_MEDIACORE->core_getLength(0);
realpos = (int)(((float)(newpos) * 65535.f) / (float)len);
invalidate();
return 0;
}
int Wa2Slider::corecb_onStarted()
{
started = true;
corecb_onSeeked(0);
invalidate();
return 0;
}
int Wa2Slider::corecb_onStopped()
{
started = false;
corecb_onSeeked(0);
invalidate();
return 0;
}
void Wa2Slider::timerCallback(int id)
{
switch (id)
{
case Wa2Slider_TIMER_POS:
corecb_onSeeked(WASABI_API_MEDIACORE->core_getPosition(0));
break;
default:
WA2SLIDER_PARENT::timerCallback(id);
}
}
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