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//
// libavg - Media Playback Engine.
// Copyright (C) 2003-2014 Ulrich von Zadow
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Current versions can be found at www.libavg.de
//
#ifndef _Node_H_
#define _Node_H_
#include "../api.h"
#include "Publisher.h"
#include "Event.h"
#include "Image.h"
#include "../base/Rect.h"
#include "../graphics/Pixel32.h"
#include <boost/shared_ptr.hpp>
#include <boost/weak_ptr.hpp>
// Python docs say python.h should be included before any standard headers (!)
#include "WrapPython.h"
#include <string>
#include <vector>
#include <list>
#include <map>
namespace avg {
class Node;
typedef boost::shared_ptr<Node> NodePtr;
class DivNode;
typedef boost::shared_ptr<DivNode> DivNodePtr;
class ArgList;
class TypeDefinition;
class CanvasNode;
typedef boost::shared_ptr<CanvasNode> CanvasNodePtr;
class AVGNode;
typedef boost::shared_ptr<AVGNode> AVGNodePtr;
class Image;
typedef boost::shared_ptr<Image> ImagePtr;
class VertexArray;
typedef boost::shared_ptr<VertexArray> VertexArrayPtr;
class Canvas;
typedef boost::shared_ptr<Canvas> CanvasPtr;
typedef boost::weak_ptr<Canvas> CanvasWeakPtr;
class AVG_API Node: public Publisher
{
public:
enum NodeState {NS_UNCONNECTED, NS_CONNECTED, NS_CANRENDER};
static void registerType();
void registerInstance(PyObject* pSelf, const DivNodePtr& pParent);
virtual ~Node();
virtual void setParent(DivNode* pParent, NodeState parentState,
CanvasPtr pCanvas);
virtual void removeParent();
void checkSetParentError(DivNode* pParent);
DivNodePtr getParent() const;
std::vector<NodePtr> getParentChain();
virtual void connectDisplay();
virtual void connect(CanvasPtr pCanvas);
virtual void disconnect(bool bKill);
void unlink(bool bKill=false);
virtual void checkReload() {};
virtual void setID(const std::string& ID);
float getOpacity() const;
void setOpacity(float opacity);
bool getActive() const;
void setActive(bool bActive);
bool getSensitive() const;
void setSensitive(bool bSensitive);
void setMouseEventCapture();
void releaseMouseEventCapture();
void setEventCapture(int cursorID);
void releaseEventCapture(int cursorID);
void setEventHandler(Event::Type Type, int Sources, PyObject * pFunc);
void connectEventHandler(Event::Type type, int sources,
PyObject * pObj, PyObject * pFunc);
void disconnectEventHandler(PyObject * pObj, PyObject * pFunc=0);
glm::vec2 getRelPos(const glm::vec2& absPos) const;
glm::vec2 getAbsPos(const glm::vec2& relPos) const;
virtual glm::vec2 toLocal(const glm::vec2& pos) const;
virtual glm::vec2 toGlobal(const glm::vec2& pos) const;
NodePtr getElementByPos(const glm::vec2& pos);
virtual void getElementsByPos(const glm::vec2& pos,
std::vector<NodePtr>& pElements);
virtual void preRender(const VertexArrayPtr& pVA, bool bIsParentActive,
float parentEffectiveOpacity);
virtual void maybeRender(const glm::mat4& parentTransform) {};
virtual void render() {};
virtual void renderOutlines(const VertexArrayPtr& pVA, Pixel32 color) {};
float getEffectiveOpacity() const;
virtual std::string dump(int indent = 0);
NodeState getState() const;
CanvasPtr getCanvas() const;
virtual bool handleEvent(EventPtr pEvent);
virtual const std::string& getID() const;
protected:
Node(const std::string& sPublisherName="Node");
bool reactsToMouseEvents();
void setState(NodeState state);
void initFilename(std::string& sFilename);
bool checkReload(const std::string& sHRef, const ImagePtr& pImage,
Image::TextureCompression comp = Image::TEXTURECOMPRESSION_NONE);
virtual bool isVisible() const;
bool getEffectiveActive() const;
NodePtr getSharedThis();
void logFileNotFoundWarning(const std::string& sWarn) const;
private:
std::string m_ID;
DivNode* m_pParent;
struct EventID {
EventID(Event::Type eventType, Event::Source source);
bool operator < (const EventID& other) const;
Event::Type m_Type;
Event::Source m_Source;
};
struct EventHandler {
EventHandler(PyObject * pObj, PyObject * pMethod);
EventHandler(const EventHandler& other);
~EventHandler();
PyObject * m_pObj;
PyObject * m_pMethod;
};
typedef std::list<EventHandler> EventHandlerArray;
typedef boost::shared_ptr<EventHandlerArray> EventHandlerArrayPtr;
typedef std::map<EventID, EventHandlerArrayPtr> EventHandlerMap;
void connectOneEventHandler(const EventID& id, PyObject * pObj, PyObject * pFunc);
void dumpEventHandlers();
std::string getEventMessageID(const EventPtr& pEvent);
bool callPython(PyObject * pFunc, avg::EventPtr pEvent);
EventHandlerMap m_EventHandlerMap;
CanvasWeakPtr m_pCanvas;
float m_Opacity;
NodeState m_State;
bool m_bActive;
bool m_bSensitive;
float m_EffectiveOpacity;
bool m_bEffectiveActive;
};
}
#endif
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