125 lines
4.7 KiB
C++
125 lines
4.7 KiB
C++
/*
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* Copyright (C) 2010 Adenilson Cavalcanti <cavalcantii@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "javascriptanimation_p.h"
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#include <kdebug.h>
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#include "animationscriptengine_p.h"
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/* TODO:
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* - support passing more parameters to the js animation object
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* - support more properties: angle, direction, etc
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* - support calling a 'resetAnimation' in js class when animation is stopped
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*/
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#define ADD_ENUM_VALUE(__c__, __ns__, __v__) \
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__c__.setProperty(#__v__, QScriptValue(__c__.engine(), __ns__::__v__))
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namespace Plasma
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{
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JavascriptAnimation::JavascriptAnimation(const QString &name, QObject *parent)
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: EasingAnimation(parent),
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#ifdef PLASMA_JSANIM_FPS
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m_fps(0),
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#endif
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m_name(name)
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{
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}
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JavascriptAnimation::~JavascriptAnimation()
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{
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}
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void JavascriptAnimation::prepInstance()
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{
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QScriptEngine *engine = AnimationScriptEngine::globalEngine();
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m_instance.setProperty("__plasma_javascriptanimation", engine->newQObject(this),
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QScriptValue::ReadOnly | QScriptValue::Undeletable | QScriptValue::SkipInEnumeration);
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ADD_ENUM_VALUE(m_instance, Plasma::Animator, FadeAnimation);
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ADD_ENUM_VALUE(m_instance, Plasma::Animator, AppearAnimation);
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ADD_ENUM_VALUE(m_instance, Plasma::Animator, DisappearAnimation);
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ADD_ENUM_VALUE(m_instance, Plasma::Animator, ActivateAnimation);
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ADD_ENUM_VALUE(m_instance, Plasma::Animator, FadeAnimation);
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ADD_ENUM_VALUE(m_instance, Plasma::Animator, GrowAnimation);
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ADD_ENUM_VALUE(m_instance, Plasma::Animator, PulseAnimation);
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ADD_ENUM_VALUE(m_instance, Plasma::Animator, RotationAnimation);
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ADD_ENUM_VALUE(m_instance, Plasma::Animator, RotationStackedAnimation);
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ADD_ENUM_VALUE(m_instance, Plasma::Animator, SlideAnimation);
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ADD_ENUM_VALUE(m_instance, Plasma::Animator, GeometryAnimation);
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ADD_ENUM_VALUE(m_instance, Plasma::Animator, ZoomAnimation);
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ADD_ENUM_VALUE(m_instance, Plasma::Animator, PixmapTransitionAnimation);
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ADD_ENUM_VALUE(m_instance, JavascriptAnimation, PauseAnimation);
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ADD_ENUM_VALUE(m_instance, JavascriptAnimation, PropertyAnimation);
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}
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void JavascriptAnimation::updateState(QAbstractAnimation::State newState, QAbstractAnimation::State oldState)
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{
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//kDebug() << ".................. state: " << newState;
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if (oldState == Stopped && newState == Running) {
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if (!m_method.isFunction()) {
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//Define the class and create an instance
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m_instance = AnimationScriptEngine::animation(m_name).construct();
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kDebug() << "trying for" << m_name << m_instance.isFunction();
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//Get the method of the object
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m_method = m_instance.property(QString("updateCurrentTime"));
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if (!m_method.isFunction()) {
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qDebug() << "**************** ERROR! Name: " << m_name << " ************";
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m_instance = m_method = QScriptValue();
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} else {
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prepInstance();
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//TODO: this really should be done in the bindings provided
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//Center the widget for transformation
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qreal x = targetWidget()->geometry().height()/2;
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qreal y = targetWidget()->geometry().width()/2;
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targetWidget()->setTransformOriginPoint(x, y);
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}
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}
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if (m_method.isFunction()) {
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m_instance.setProperty("duration", duration(), QScriptValue::ReadOnly);
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m_instance.setProperty("target", m_instance.engine()->newQObject(targetWidget()), QScriptValue::ReadOnly);
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}
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#ifdef PLASMA_JSANIM_FPS
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m_fps = 0;
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} else if (oldState == Running && newState == Stopped) {
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kDebug() << ".........." << m_name << " fps: " << m_fps * 1000/duration();
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#endif
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}
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}
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void JavascriptAnimation::updateEffectiveTime(int currentTime)
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{
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if (m_method.isFunction()) {
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#ifdef PLASMA_JSANIM_FPS
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++m_fps;
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#endif
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QScriptValueList args;
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args << currentTime;
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m_method.call(m_instance, args);
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}
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}
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} //namespace Plasma
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#include "javascriptanimation_p.moc"
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