sm1doc.cpp

linux下的一款播放器

/* ***** BEGIN LICENSE BLOCK *****
 * Source last modified: $Id: sm1doc.cpp,v 1.3.12.2 2004/07/26 19:52:31 milko Exp $
 * 
 * Portions Copyright (c) 1995-2004 RealNetworks, Inc. All Rights Reserved.
 * 
 * The contents of this file, and the files included with this file,
 * are subject to the current version of the RealNetworks Public
 * Source License (the "RPSL") available at
 * http://www.helixcommunity.org/content/rpsl unless you have licensed
 * the file under the current version of the RealNetworks Community
 * Source License (the "RCSL") available at
 * http://www.helixcommunity.org/content/rcsl, in which case the RCSL
 * will apply. You may also obtain the license terms directly from
 * RealNetworks.  You may not use this file except in compliance with
 * the RPSL or, if you have a valid RCSL with RealNetworks applicable
 * to this file, the RCSL.  Please see the applicable RPSL or RCSL for
 * the rights, obligations and limitations governing use of the
 * contents of the file.
 * 
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU General Public License Version 2 or later (the
 * "GPL") in which case the provisions of the GPL are applicable
 * instead of those above. If you wish to allow use of your version of
 * this file only under the terms of the GPL, and not to allow others
 * to use your version of this file under the terms of either the RPSL
 * or RCSL, indicate your decision by deleting the provisions above
 * and replace them with the notice and other provisions required by
 * the GPL. If you do not delete the provisions above, a recipient may
 * use your version of this file under the terms of any one of the
 * RPSL, the RCSL or the GPL.
 * 
 * This file is part of the Helix DNA Technology. RealNetworks is the
 * developer of the Original Code and owns the copyrights in the
 * portions it created.
 * 
 * This file, and the files included with this file, is distributed
 * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY
 * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS
 * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET
 * ENJOYMENT OR NON-INFRINGEMENT.
 * 
 * Technology Compatibility Kit Test Suite(s) Location:
 *    http://www.helixcommunity.org/content/tck
 * 
 * Contributor(s):
 * 
 * ***** END LICENSE BLOCK ***** */

#include <stdio.h>
#include <math.h>

#include "hxtypes.h"
#include "hxwintyp.h"
#include "chxxtype.h"
#include "smil1typ.h"   /* renamed for SHAZAM; used to be smiltype.h */
#include "hxcom.h"
#include "hxcomm.h"
#include "ihxpckts.h"
#include "hxfiles.h"
#include "hxcore.h"
#include "hxprefs.h"
#include "hxrendr.h"
#include "hxasm.h"
#include "hxplugn.h"
#include "hxengin.h"
#include "hxcore.h"
#include "hxclsnk.h"
#include "hxwin.h"
#include "hxsite2.h"
#include "hxsrc.h"
#include "hxgroup.h"
#include "hxrendr.h"
#include "hxevent.h"
#include "hxvsurf.h"
#include "hxerror.h"
#include "hxupgrd.h"
#include "hxvsurf.h"
#include "hxhyper.h"
#include "hxxres.h"
#include "hxxrsmg.h"
#include "hxsm2sm.h"

#include "hxxml.h"
#include "hxxmlprs.h"
#include "xmlreslt.h"

#include "hxstack.h"
#include "hxslist.h"
#include "chxpckts.h"
#include "hxstring.h"
#include "hxurl.h"
#include "hxmap.h"
#include "hxstrutl.h"
#include "errdbg.h"
#include "hxordval.h"	// CHXOrderedValues

#if defined(_WINDOWS)
#include "diballoc.h"
#define IDC_HANDCURSOR 102
#elif defined (_MACINTOSH)
#include "hxmm.h"
#include "cresload.h"
extern FSSpec g_DLLFSpec;
#endif

#if defined(_UNIX)  &&  (!defined(_BEOS))  &&  defined(USE_XWINDOWS)
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/cursorfont.h>
/* USE_SHM doesn't work yet */
#ifdef USE_SHM
#undef USE_SHM
#endif /* USE_SHM */
#endif

#include "sm1elem.h"
#include "sm1parse.h"
#include "sm1error.h"
#include "smilres.h"
#include "smlrendr.h" /* for SMIL2+ renderer (CSmilRenderer) */
#include "sm1rendr.h"

#include "sm1doc.h"

#include "debugout.h" // XXXMEH
#include "hxtick.h"   // XXXMEH
#include "hxheap.h"
#ifdef _DEBUG
#undef HX_THIS_FILE
static const char HX_THIS_FILE[] = __FILE__;
#endif

#ifdef _DEBUG
#ifdef _WINDOWS
static const char SMILDEPFILE[] = "\\smildep.txt";
#else
static const char SMILDEPFILE[] = "smildep.txt";
#endif
#endif

#ifdef _WINDOWS
extern HINSTANCE g_hInstance;
#endif

#ifdef _DEBUG
#define MAX_DEBUG_STRING 20000
#define SDEBUG_OUT(x, y)	{						\
			    char* s;					\
			    FILE* f1;					\
			    s = new char[MAX_DEBUG_STRING];					\
			    sprintf y;					\
			    f1 = (x)?(::fopen(x, "a+")):(NULL);			\
			    (f1)?(::fprintf(f1, s), ::fclose(f1)):(0);	\
			    delete[] s; \
		       }
#else
#define SDEBUG_OUT(x, y)
#endif

#define SDEBUG_FILE 0//"e:\\temp\\smilout.txt"

//
// site information - used
// to handle site show/hide
// behavior in seek and hyperlinking
//
struct SMIL1SiteInfo
{
    IHXSite* m_pRendererSite;
    IHXSite* m_pRegionSite;
    HXxSize m_rendererSize;
    UINT16 m_uGroupIndex;
    UINT32 m_ulDelay;
    UINT32 m_ulDuration;
    BOOL m_bRemoveSite;
    BOOL m_bNoRegion;
    CHXString m_regionID;
    IHXRenderer* m_pRenderer;
};

// source information - contained
// in SMIL1PlayToAssoc.m_sourceMap
struct SMIL1SourceInfo
{
    IUnknown* m_pStream;
    IHXRenderer* m_pRenderer;
    CHXString m_tunerName;
    CHXString m_childTunerName;
    CSmil1EventHook* m_pRendererEventHook;
    UINT32 m_ulDuration;
    UINT32 m_ulDelay;
};

//
// struct that associates group,track,and playto property of a stream
//
struct SMIL1PlayToAssoc
{
    UINT16 m_uGroupIndex;
    UINT16 m_uTrackIndex;
    BOOL m_bDurationResolved;
    CHXMapLongToObj m_sourceMap;
    CHXString m_playTo;
    CHXString m_id;
    CHXString m_repeatid;
    CHXString m_tunerName;
    CHXString m_childTunerName;
    CHXString m_regionName;
    UINT32 m_ulDelay;
    UINT32 m_ulDuration;
    BOOL m_bRemoveSite;
    CHXSimpleList* m_pHyperlinks;
    CSmil1EventHook* m_pRendererEventHook;
    CHXSimpleList* m_pSiteInfoList;
    BOOL m_bLiveSource;
};

//
// group information
//
struct SMIL1GroupInfo
{
    int m_nTracks;
    int m_nTracksAdded;
    int m_nTrackDurationsSet;
    UINT32 m_ulDuration;
};

//
// site/z-order info 
//
struct SMIL1ZOrderInfo
{
    IHXSite* m_pSite;
    INT32 m_lZIndex;
};

//
// event source info (endsync in SMIL)
//
struct SMIL1DeferredSourceInfo
{
    UINT32 m_ulDuration;
    UINT32 m_ulDelay;
};

//
// event handler classes
//
class CSmil1LayoutEvent : public CHXBaseCountingObject
{
public:
    CSmil1LayoutEvent		    (UINT16 uGroupIndex,
				    UINT32 ulEventTime);
    virtual ~CSmil1LayoutEvent	    ();

    virtual HX_RESULT handleEvent   () = 0;

    UINT32 m_ulEventTime;
    UINT16 m_uGroupIndex;
};

CSmil1LayoutEvent::CSmil1LayoutEvent(UINT16 uGroupIndex, UINT32 ulEventTime):
    m_uGroupIndex(uGroupIndex),
    m_ulEventTime(ulEventTime)
{
}

CSmil1LayoutEvent::~CSmil1LayoutEvent()
{
}

class CSmil1ShowSiteEvent: public CSmil1LayoutEvent
{
public:
    CSmil1ShowSiteEvent		    (UINT16 uGroupIndex,
				    UINT32 ulEventTime,
				    IHXSite* pSite,
				    IHXSite* pRegionSite,
				    BOOL bShowSite);
    virtual ~CSmil1ShowSiteEvent	    ();

    virtual HX_RESULT handleEvent   ();
    IHXSite* getRegionSite	    () { return m_pRegionSite; }
    IHXSite* getRendererSite	    () { return m_pSite; }
    BOOL showSite   		    () { return m_bShowSite; }

    IHXSite* m_pSite;
    IHXSite* m_pRegionSite;
    BOOL m_bShowSite;
};

CSmil1ShowSiteEvent::CSmil1ShowSiteEvent(UINT16 uGroupIndex,
				      UINT32 ulEventTime,
				      IHXSite* pSite,
				      IHXSite* pRegionSite,
				      BOOL bShowSite):
    CSmil1LayoutEvent(uGroupIndex, ulEventTime),
    m_pSite(pSite),
    m_pRegionSite(pRegionSite),
    m_bShowSite(bShowSite)
{
#if defined(_DEBUG) && defined(XXXMEH_CHECK_FOR_LEAKS)
    char szDbgStr[128]; /* Flawfinder: ignore */
    sprintf(szDbgStr, "CON CSmil1LayoutEvent 0x%08x\n", this); /* Flawfinder: ignore */
    OutputDebugString(szDbgStr);
#endif
    if (m_pSite)
    {
        m_pSite->AddRef();
    }
    if (m_pRegionSite)
    {
        m_pRegionSite->AddRef();
    }
}

CSmil1ShowSiteEvent::~CSmil1ShowSiteEvent()
{
#if defined(_DEBUG) && defined(XXXMEH_CHECK_FOR_LEAKS)
    char szDbgStr[128]; /* Flawfinder: ignore */
    sprintf(szDbgStr, "DES CSmil1LayoutEvent 0x%08x\n", this); /* Flawfinder: ignore */
    OutputDebugString(szDbgStr);
#endif
    HX_RELEASE(m_pSite);
    HX_RELEASE(m_pRegionSite);
}

HX_RESULT
CSmil1ShowSiteEvent::handleEvent()
{
    HX_RESULT rc = HXR_OK;

    IHXSite2* pRegionSite2 = 0;
    IHXSite2* pSite2 = 0;
    
    if (m_pRegionSite)
	m_pRegionSite->QueryInterface(IID_IHXSite2,(void**)&pRegionSite2);
    if (m_pSite)
	m_pSite->QueryInterface(IID_IHXSite2,(void**)&pSite2);
    
    if (m_bShowSite)
    {
	// if showing, then first show the site before the region site
	// to prevent the flash when the region site is shown before the
	// site.
	if (pSite2) pSite2->ShowSite(m_bShowSite);
	if (pRegionSite2) pRegionSite2->ShowSite(m_bShowSite);
    }
    else
    {
	// if hiding, then first hide the region so it's a one-step
	// process visually.
	if (pRegionSite2) pRegionSite2->ShowSite(m_bShowSite);
	if (pSite2) pSite2->ShowSite(m_bShowSite);
    }
    
    if (pRegionSite2) pRegionSite2->Release();
    if (pSite2) pSite2->Release();
    
    return rc;
}

/*
 * CSmil1DocumentRenderer methods
 */

CSmil1DocumentRenderer::CSmil1DocumentRenderer(
    CSmil1Renderer* pParent, IUnknown* pContext):
    m_pParent(pParent),
    m_pSmilParser(0),
    m_ulParseResult(HXR_OK),
    m_lRefCount(0),
    m_pContext(pContext),
    m_pMISUSSite(0),
    m_pRegionMap(0),
    m_pSiteInfoByRendererMap(0),
    m_pSiteWatcherMap(0),
    m_pGroupInfoMap(0),
    m_pGroupMap(0),
    m_pDeferredSourceMap(0),
    m_pRepeatIDMap(0),
    m_pSiteInfoList(0),
    m_uCurrentGroupIndex(-1),
    m_pPlayToAssocList(0),
    m_pZOrderList(0),
    m_pSiteMgr(0),
    m_pScheduler(0),
    m_pEventList(0),
    m_pValues(0),
    m_pFragment(0),
    m_ulCurrentTime(0),
    m_ulEventListPosition(0),
    m_bFirstTimeSync(FALSE),
    m_bSiteChangingSize(FALSE),
    m_bRootLayoutWidthSet(FALSE),
    m_bRootLayoutHeightSet(FALSE),
    m_ulRootLayoutHeight(0),
    m_ulRootLayoutWidth(0),
    m_ulNoRootLayoutHeight(0),
    m_ulNoRootLayoutWidth(0),
    m_ulRootLayoutBGColor(0),
    m_bSettingFragment(FALSE),
    m_bInHyperlink(FALSE),
    m_pStatusMessage(0),
    m_bStatusMessageSet(FALSE),
#ifdef _WINDOWS
    m_hPreHyperlinkCursor(0),
    m_hHyperlinkCursor(0),
    m_bNeedToSetHyperlinkCursor(FALSE),
#endif
#ifdef _MACINTOSH
    m_hHyperlinkCursor(0),
    m_bResetCursor(FALSE),
#endif
#if defined(_UNIX)  &&  (!defined(_BEOS))  &&  defined(USE_XWINDOWS)
    m_hHyperlinkCursor(0),
    m_hCurrentCursor(0),
    m_pDisplay(0),
    m_Window(0),
    m_pPixmapDisplay(NULL),
    m_pVisualInfo(NULL),
#endif
    m_bSiteLayoutComplete(FALSE),
    m_nFragmentTracks(0),
    m_bShowDependencies(FALSE),
    m_dResizeXScale(1.0),
    m_dResizeYScale(1.0)
    , m_ulGroupIndex(0)
    , m_ulTrackIndex(0)
    , m_uGroupIndexWithin(0)
    , m_bSitesDetached(FALSE)
    , m_bInRAM20(FALSE)
    , m_bLastGroupInRAM20(FALSE)
    , m_ulPersistentComponentDelay(0)
    , m_ulPersistentComponentID(0)
    , m_uPersistentGroupID(0)
    , m_uPersistentTrackID(0)
    , m_elementWithinTag(WithinUnknown)
    , m_pPersistentProperties(NULL)
    , m_pPersistentParentRenderer(NULL)
    , m_bCloseCalled(FALSE)
    , m_pProcessElementCallback(NULL)
    , m_ulPktnum(0)
    , m_usOldXPos(0)
    , m_usOldYPos(0)
{
#if defined(_DEBUG) && defined(XXXMEH_CHECK_FOR_LEAKS)
    char szDbgStr[128]; /* Flawfinder: ignore */
    sprintf(szDbgStr, "CON CSmil1DocumentRenderer 0x%08x\n", this); /* Flawfinder: ignore */
    OutputDebugString(szDbgStr);
#endif

    HX_ASSERT( m_pContext );
    if(m_pContext)
    {
	m_pContext->AddRef();
	
	HX_VERIFY(HXR_OK == m_pContext->
		  QueryInterface(IID_IHXSiteManager,(void**)&m_pSiteMgr));
	
	HX_VERIFY(HXR_OK == m_pContext->
		  QueryInterface(IID_IHXScheduler, (void**)&m_pScheduler));
	
	if (HXR_OK != m_pContext->QueryInterface(IID_IHXStatusMessage,
						 (void**)&m_pStatusMessage))
	{
	    // not an error, just a feature waiting to happen...
	    m_pStatusMessage = NULL;
	}
    }

#ifdef _WINDOWS
    m_hHyperlinkCursor = LoadCursor(g_hInstance,
        MAKEINTRESOURCE(IDC_HANDCURSOR));
#endif
#ifdef _MACINTOSH
    const short HAND_CURSOR  = 1313;
    m_pResourceLoader = CResourceLoader::CreateInstance(g_DLLFSpec);
    m_hHyperlinkCursor = (CursHandle)m_pResourceLoader->LoadResource('CURS', HAND_CURSOR);
#endif
    
#ifdef _DEBUG
    IHXPreferences* pPrefs = NULL;
    // get "showdependencies" preference
    //IHXPreferences* pPrefs = 0;
    if(HXR_OK == m_pContext->QueryInterface(
       IID_IHXPreferences, (void**)&pPrefs))
    {
	IHXBuffer* pBuf = 0;
	if(HXR_OK == pPrefs->ReadPref("showdependencies", pBuf))
	{