l3lib/devel/plugin/moz/mplugin.c

#include "stdafx.h"

#include <stdio.h>
#include "mplugin.h"
#include "npupp.h"


class ScriptablePluginObject : public NPObject
{
public:
	ScriptablePluginObject(NPP npp)
	{
		m_MPlugin = NULL;
		m_Npp = npp;
	}
	
	CMPlugin *m_MPlugin;
	NPP m_Npp;
};

static NPObject *SPO_Allocate(NPP npp,NPClass *aClass)
{
  return new ScriptablePluginObject(npp);
}

static void SPO_Deallocate(NPObject *obj)
{
  delete (ScriptablePluginObject *)obj;
}

static void SPO_Invalidate(NPObject *obj)
{
}

static bool SPO_HasMethod(NPObject *obj, NPIdentifier name)
{
	return ((yourclass*)((ScriptablePluginObject*)obj)->m_Plugin->m_Wnd)->Mozilla_HasMethod( name );
}

static bool SPO_Invoke(NPObject *obj, NPIdentifier name, const NPVariant *args,
           uint32_t argCount, NPVariant *result)
{
	return ((yourclass*)((ScriptablePluginObject*)obj)->m_Plugin->m_Wnd)->Mozilla_Invoke( name,args,argCount,result );
}

static bool SPO_SetProperty(NPObject *obj, NPIdentifier name, const NPVariant *value)
{
	return ((yourclass*)((ScriptablePluginObject*)obj)->m_Plugin->m_Wnd)->Mozilla_SetProperty( name,value );	
}

static bool SPO_HasProperty(NPObject * obj, NPIdentifier name)
{
	return ((yourclass*)((ScriptablePluginObject*)obj)->m_Plugin->m_Wnd)->Mozilla_HasProperty( name );
}

static bool SPO_RemoveProperty(NPObject *obj, NPIdentifier name )
{
	return ((yourclass*)((ScriptablePluginObject*)obj)->m_Plugin->m_Wnd)->Mozilla_RemoveProperty( name );
}


static bool SPO_GetProperty(NPObject *obj, NPIdentifier name, NPVariant *result)
{
	return ((yourclass*)((ScriptablePluginObject*)obj)->m_Plugin->m_Wnd)->Mozilla_GetProperty( name,result );
}


static bool SPO_InvokeDefault( NPObject *npobj, const NPVariant *args,
                       uint32_t argCount, NPVariant *result)
{
	return FALSE;
}

NPClass sSPO_Class = {
  NP_CLASS_STRUCT_VERSION,

  SPO_Allocate,
  SPO_Deallocate,
  SPO_Invalidate,
  SPO_HasMethod,
  SPO_Invoke,
  SPO_InvokeDefault,
  SPO_HasProperty,
  SPO_GetProperty,
  SPO_SetProperty,
  SPO_RemoveProperty
};

static NPIdentifier sFoo_id;
static NPIdentifier sBar_id;
static NPIdentifier sDocument_id;
static NPIdentifier sBody_id;
static NPIdentifier sCreateElement_id;
static NPIdentifier sCreateTextNode_id;
static NPIdentifier sAppendChild_id;
static NPObject *sWindowObj;

CMPlugin::CMPlugin(NPP pNPInstance) :
  m_pNPInstance(pNPInstance),
  m_pNPStream(NULL),
  m_bInitialized(FALSE),
  m_pScriptableObject(NULL),
  m_lpOldProc(NULL)
{
	m_Wnd = NULL;
}

CMPlugin::~CMPlugin()
{
  if (m_pScriptableObject)
    NPN_ReleaseObject(m_pScriptableObject);
}

#ifdef XP_WIN
static LRESULT CALLBACK PluginWinProc(HWND, UINT, WPARAM, LPARAM);
#endif



NPBool CMPlugin::InitPlugin(NPWindow* pNPWindow)
{

	yourclass *bec = new yourclass;
	m_Wnd = bec;

	//TODO add parameters you saved from page to your plugin

	CWnd *wnd = CWnd::FromHandle( (HWND)pNPWindow->window );
	bec->Create( _T("winclass"), _T("yourapp"), WS_CHILD | WS_VISIBLE, rect,wnd , 9001);	//TODO
  
	m_hWnd = (HWND)pNPWindow->window;
	// subclass window so we can intercept window messages and
	// do our drawing to it
	m_lpOldProc = SubclassWindow(m_hWnd, (WNDPROC)PluginWinProc );

	// associate window with our CMPlugin object so we can access 
	// it in the window procedure
	SetWindowLong(m_hWnd, GWL_USERDATA, (LONG)this);

	m_bInitialized = TRUE;
	return TRUE;
}

void CMPlugin::ClosePlugin()
{
#ifdef XP_WIN
  //subclass it back
  SubclassWindow(m_hWnd, m_lpOldProc);
  m_hWnd = NULL;
#endif
  if( m_Wnd ) 
  {
	delete m_Wnd;
  }
  m_bInitialized = FALSE;
}


int16 CMPlugin::handleEvent(void* event)
{
  return 0;
}


NPObject *
CMPlugin::GetScriptableObject()
{
  if (!m_pScriptableObject) {
    m_pScriptableObject = NPN_CreateObject(m_pNPInstance, &sSPO_Class);
	((ScriptablePluginObject*)m_pScriptableObject)->m_Plugin = this;
  }

  if (m_pScriptableObject) {
    NPN_RetainObject(m_pScriptableObject);
  }

  return m_pScriptableObject;
}

#ifdef XP_WIN
static LRESULT CALLBACK PluginWinProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	if( msg == WM_SIZE )
	{	//prcoess browser resize message
        	CMPlugin * p = (CMPlugin *)GetWindowLong(hWnd, GWL_USERDATA);
		if( p )
		{//resize plugin
		}
		
		return 0;
	}
  return DefWindowProc(hWnd, msg, wParam, lParam);
}
#endif