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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Declarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qsgv8particledata_p.h"
#include "qsgparticlesystem_p.h"//for QSGParticleData
#include <QDebug>
QT_BEGIN_NAMESPACE
//### Particle data handles are not locked to within certain scopes like QSGContext2D, but there's no way to reload either...
class QV8ParticleDataResource : public QV8ObjectResource
{
V8_RESOURCE_TYPE(ParticleDataType)
public:
QV8ParticleDataResource(QV8Engine *e) : QV8ObjectResource(e) {}
QSGParticleData* datum;//TODO: Guard needed?
};
class QV8ParticleDataDeletable : public QV8Engine::Deletable
{
public:
QV8ParticleDataDeletable(QV8Engine *engine);
~QV8ParticleDataDeletable();
v8::Persistent<v8::Function> constructor;
};
static v8::Handle<v8::Value> particleData_discard(const v8::Arguments &args)
{
QV8ParticleDataResource *r = v8_resource_cast<QV8ParticleDataResource>(args.This());
if (!r || !r->datum)
V8THROW_ERROR("Not a valid ParticleData object");
r->datum->lifeSpan = 0; //Don't kill(), because it could still be in the middle of being created
return v8::Undefined();
}
static v8::Handle<v8::Value> particleData_lifeLeft(const v8::Arguments &args)
{
QV8ParticleDataResource *r = v8_resource_cast<QV8ParticleDataResource>(args.This());
if (!r || !r->datum)
V8THROW_ERROR("Not a valid ParticleData object");
return v8::Number::New(r->datum->lifeLeft());
}
static v8::Handle<v8::Value> particleData_curSize(const v8::Arguments &args)
{
QV8ParticleDataResource *r = v8_resource_cast<QV8ParticleDataResource>(args.This());
if (!r || !r->datum)
V8THROW_ERROR("Not a valid ParticleData object");
return v8::Number::New(r->datum->curSize());
}
#define FLOAT_GETTER_AND_SETTER(VARIABLE) static v8::Handle<v8::Value> particleData_get_ ## VARIABLE (v8::Local<v8::String>, const v8::AccessorInfo &info) \
{ \
QV8ParticleDataResource *r = v8_resource_cast<QV8ParticleDataResource>(info.This()); \
if (!r || !r->datum) \
V8THROW_ERROR("Not a valid ParticleData object"); \
\
return v8::Number::New(r->datum-> VARIABLE);\
}\
\
static void particleData_set_ ## VARIABLE (v8::Local<v8::String>, v8::Local<v8::Value> value, const v8::AccessorInfo &info)\
{\
QV8ParticleDataResource *r = v8_resource_cast<QV8ParticleDataResource>(info.This());\
if (!r || !r->datum)\
V8THROW_ERROR_SETTER("Not a valid ParticleData object");\
\
r->datum-> VARIABLE = value->NumberValue();\
}
#define FAKE_FLOAT_GETTER_AND_SETTER(VARIABLE, GETTER, SETTER) static v8::Handle<v8::Value> particleData_get_ ## VARIABLE (v8::Local<v8::String>, const v8::AccessorInfo &info) \
{ \
QV8ParticleDataResource *r = v8_resource_cast<QV8ParticleDataResource>(info.This()); \
if (!r || !r->datum) \
V8THROW_ERROR("Not a valid ParticleData object"); \
\
return v8::Number::New(r->datum-> GETTER ());\
}\
\
static void particleData_set_ ## VARIABLE (v8::Local<v8::String>, v8::Local<v8::Value> value, const v8::AccessorInfo &info)\
{\
QV8ParticleDataResource *r = v8_resource_cast<QV8ParticleDataResource>(info.This());\
if (!r || !r->datum)\
V8THROW_ERROR_SETTER("Not a valid ParticleData object");\
\
r->datum-> SETTER ( value->NumberValue() );\
}
#define FLOAT_REGISTER_ACCESSOR(FT, ENGINE, VARIABLE) FT ->PrototypeTemplate()->SetAccessor( v8::String::New( #VARIABLE ), particleData_get_ ## VARIABLE , particleData_set_ ## VARIABLE , v8::External::Wrap(ENGINE))
FLOAT_GETTER_AND_SETTER(x)
FLOAT_GETTER_AND_SETTER(y)
FLOAT_GETTER_AND_SETTER(t)
FLOAT_GETTER_AND_SETTER(lifeSpan)
FLOAT_GETTER_AND_SETTER(size)
FLOAT_GETTER_AND_SETTER(endSize)
FLOAT_GETTER_AND_SETTER(vx)
FLOAT_GETTER_AND_SETTER(vy)
FLOAT_GETTER_AND_SETTER(ax)
FLOAT_GETTER_AND_SETTER(ay)
FLOAT_GETTER_AND_SETTER(xx)
FLOAT_GETTER_AND_SETTER(xy)
FLOAT_GETTER_AND_SETTER(rotation)
FLOAT_GETTER_AND_SETTER(rotationSpeed)
FLOAT_GETTER_AND_SETTER(autoRotate)
FLOAT_GETTER_AND_SETTER(animIdx)
FLOAT_GETTER_AND_SETTER(frameDuration)
FLOAT_GETTER_AND_SETTER(frameCount)
FLOAT_GETTER_AND_SETTER(animT)
FLOAT_GETTER_AND_SETTER(r)
FAKE_FLOAT_GETTER_AND_SETTER(curX, curX, setInstantaneousX)
FAKE_FLOAT_GETTER_AND_SETTER(curVX, curVX, setInstantaneousVX)
FAKE_FLOAT_GETTER_AND_SETTER(curAX, curAX, setInstantaneousAX)
FAKE_FLOAT_GETTER_AND_SETTER(curY, curY, setInstantaneousY)
FAKE_FLOAT_GETTER_AND_SETTER(curVY, curVY, setInstantaneousVY)
FAKE_FLOAT_GETTER_AND_SETTER(curAY, curAY, setInstantaneousAY)
//TODO: Non-floats (color) and special floats (curX) once basic floats are working well
QV8ParticleDataDeletable::QV8ParticleDataDeletable(QV8Engine *engine)
{
v8::HandleScope handle_scope;
v8::Context::Scope scope(engine->context());
v8::Local<v8::FunctionTemplate> ft = v8::FunctionTemplate::New();
ft->InstanceTemplate()->SetHasExternalResource(true);
ft->PrototypeTemplate()->Set(v8::String::New("discard"), V8FUNCTION(particleData_discard, engine));
ft->PrototypeTemplate()->Set(v8::String::New("lifeLeft"), V8FUNCTION(particleData_lifeLeft, engine));
ft->PrototypeTemplate()->Set(v8::String::New("curSize"), V8FUNCTION(particleData_curSize, engine));
FLOAT_REGISTER_ACCESSOR(ft, engine, x);
FLOAT_REGISTER_ACCESSOR(ft, engine, y);
FLOAT_REGISTER_ACCESSOR(ft, engine, t);
FLOAT_REGISTER_ACCESSOR(ft, engine, lifeSpan);
FLOAT_REGISTER_ACCESSOR(ft, engine, size);
FLOAT_REGISTER_ACCESSOR(ft, engine, endSize);
FLOAT_REGISTER_ACCESSOR(ft, engine, vx);
FLOAT_REGISTER_ACCESSOR(ft, engine, vy);
FLOAT_REGISTER_ACCESSOR(ft, engine, ax);
FLOAT_REGISTER_ACCESSOR(ft, engine, ay);
FLOAT_REGISTER_ACCESSOR(ft, engine, xx);
FLOAT_REGISTER_ACCESSOR(ft, engine, xy);
FLOAT_REGISTER_ACCESSOR(ft, engine, rotation);
FLOAT_REGISTER_ACCESSOR(ft, engine, rotationSpeed);
FLOAT_REGISTER_ACCESSOR(ft, engine, autoRotate);
FLOAT_REGISTER_ACCESSOR(ft, engine, animIdx);
FLOAT_REGISTER_ACCESSOR(ft, engine, frameDuration);
FLOAT_REGISTER_ACCESSOR(ft, engine, frameCount);
FLOAT_REGISTER_ACCESSOR(ft, engine, animT);
FLOAT_REGISTER_ACCESSOR(ft, engine, r);
FLOAT_REGISTER_ACCESSOR(ft, engine, curX);
FLOAT_REGISTER_ACCESSOR(ft, engine, curVX);
FLOAT_REGISTER_ACCESSOR(ft, engine, curAX);
FLOAT_REGISTER_ACCESSOR(ft, engine, curY);
FLOAT_REGISTER_ACCESSOR(ft, engine, curVY);
FLOAT_REGISTER_ACCESSOR(ft, engine, curAY);
constructor = qPersistentNew(ft->GetFunction());
}
QV8ParticleDataDeletable::~QV8ParticleDataDeletable()
{
qPersistentDispose(constructor);
}
V8_DEFINE_EXTENSION(QV8ParticleDataDeletable, particleV8Data);
QSGV8ParticleData::QSGV8ParticleData(QV8Engine* engine, QSGParticleData* datum)
{
if (!engine || !datum)
return;
v8::HandleScope handle_scope;
v8::Context::Scope scope(engine->context());
QV8ParticleDataDeletable *d = particleV8Data(engine);
m_v8Value = qPersistentNew(d->constructor->NewInstance());
QV8ParticleDataResource *r = new QV8ParticleDataResource(engine);
r->datum = datum;
m_v8Value->SetExternalResource(r);
}
QSGV8ParticleData::~QSGV8ParticleData()
{
qPersistentDispose(m_v8Value);
}
QDeclarativeV8Handle QSGV8ParticleData::v8Value()
{
return QDeclarativeV8Handle::fromHandle(m_v8Value);
}
QT_END_NAMESPACE
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