macsite.cpp

著名的 helix realplayer 基于手机 symbian 系统的 播放器全套源代码

CHXMacSite::_GetSystemSizeOfSliders(INT32* pWidth, INT32* pHeight)
{
    if (pWidth) *pWidth = SCROLL_BAR_WIDTH;
    if (pHeight) *pHeight = SCROLL_BAR_WIDTH;
}

/************************************************************************
 *  Method:
 *    CHXMacSite::_IsWindowVisible
 */
BOOL
CHXMacSite::_IsWindowVisible()
{
    return TRUE;
}

/************************************************************************
 *  Method:
 *    CHXMacSite::ShowMacControl
 */
void
CHXMacSite::ShowMacControl(ControlHandle theControl, BOOL bShow)
{
    if (theControl)
    {
	if (bShow)
	{
	    ::ShowControl(theControl);
	}
	else
	{
	    ::HideControl(theControl);
	}
    }
}

/************************************************************************
 *  Method:
 *    CHXMacSite::SetMacControlRectangle
 */
void
CHXMacSite::SetMacControlRectangle(ControlHandle theControl,
		INT32 left, INT32 top, INT32 right, INT32 bottom )
{
    if (theControl)
    {
	::SizeControl(theControl, right-left, bottom-top);
	::MoveControl(theControl, left, top);
    }
}

void
CHXMacSite::SetMacControlRange(ControlHandle theControl, INT32 controlMax)
{
    if (theControl)
    {
	// XXX bobclark
	// Important note: The MacOS scroll bars only use 16-bit integers,
	// while the Core uses 32-bit integers here. If 16 bits isn't enough,
	// we'll have to do a lot more work by hand, like storing the "real"
	// value in a separate variable, and scaling from 16-bit to 32-bit
	// values whenever the scroll bar's thumb is dragged. For clicking on
	// the scroll bar's arrows or paging around, we could compute that
	// directly using the long but we'd need to scale it back to a short
	// so the scroll bar would correctly reflect its approximation of the
	// value.
	// I don't think this will be an issue, since we're scrolling around
	// a site, and a site that's more than 32000 pixels wide is ludicrous.

	HX_ASSERT(controlMax >= 0 && controlMax < 32000);

	SetControlMinimum(theControl, 0);
	SetControlMaximum(theControl, (short)controlMax);
    }
}


/************************************************************************
 *  Method:
 *    CHXMacSite::_ShowXSlider
 */
void
CHXMacSite::_ShowXSlider(BOOL bShow)
{
    HXxWindow* pWindow = GetWindow();
    if (!pWindow || !pWindow->window)
    {
	return;
    }
    WindowPtr w = (WindowPtr)pWindow->window;
    Point oldOrigin;
    Rect portRect;
    ::GetPortBounds( ::GetWindowPort(w), &portRect);
    oldOrigin.h = portRect.left;
    oldOrigin.v = portRect.top;
    
    SetOriginAndMaintainClipRgn(0,0);
    
    ShowMacControl(m_hHScrollBar, bShow);
    
    SetOriginAndMaintainClipRgn(oldOrigin.h, oldOrigin.v);
}

/************************************************************************
 *  Method:
 *    CHXMacSite::_MoveXSlider
 */
void
CHXMacSite::_MoveXSlider(INT32 left, INT32 top, INT32 right, INT32 bottom, BOOL bRedraw)
{
    // xxxbobclark do nothing right now
}

/************************************************************************
 *  Method:
 *    CHXMacSite::_ShowYSlider
 */
void
CHXMacSite::_ShowYSlider(BOOL bShow)
{
    HXxWindow* pWindow = GetWindow();
    if (!pWindow || !pWindow->window)
    {
	return;
    }
    WindowPtr w = (WindowPtr)pWindow->window;
    Point oldOrigin;
    Rect portRect;
    ::GetPortBounds(::GetWindowPort(w), &portRect);
    oldOrigin.h = portRect.left;
    oldOrigin.v = portRect.top;
    
    SetOriginAndMaintainClipRgn(0,0);
    
    ShowMacControl(m_hVScrollBar, bShow);
    
    SetOriginAndMaintainClipRgn(oldOrigin.h, oldOrigin.v);
}

/************************************************************************
 *  Method:
 *    CHXMacSite::_MoveYSlider
 */
void
CHXMacSite::_MoveYSlider(INT32 left, INT32 top, INT32 right, INT32 bottom, BOOL bRedraw)
{
    // xxxbobclark don't do anything right now
}

/************************************************************************
 *  Method:
 *    CHXMacSite::_DoesXSliderExist
 */
BOOL
CHXMacSite::_DoesXSliderExist()
{
    if (m_hHScrollBar) return TRUE;
    return FALSE;
}

/************************************************************************
 *  Method:
 *    CHXMacSite::_GetContainingWindow
 */
void*
CHXMacSite::_GetContainingWindow()
{
    if (m_pParentSite) return m_pParentSite->_GetContainingWindow();
    return NULL;
}

/************************************************************************
 *  Method:
 *    CHXMacSite::_GetCursorPos
 */
void
CHXMacSite::_GetCursorPos(HXxPoint* pPoint)
{
    // this will return in global coordinates. (???)

    HX_ASSERT(_AtSystemTime());
    if (!_AtSystemTime()) return;
    
    HX_ASSERT(pPoint);
    if (!pPoint) return;
    
    Point pt;
    ::GetMouse(&pt);
    // pt is in local coordinates
    
    ::LocalToGlobal(&pt);
    
    pPoint->x = pt.h;
    pPoint->y = pt.v;
}

/************************************************************************
 *  Method:
 *    CHXMacSite::_MapPointToOSWindow
 */
void
CHXMacSite::_MapPointToOSWindow(HXxPoint* pPt, void** pWindowHandle)
{
}

/************************************************************************
 *  Method:
 *    CHXMacSite::_GetWindowWithCursor
 */
void*
CHXMacSite::_GetWindowWithCursor()
{
    return NULL;
}

/************************************************************************
 *  Method:
 *    CHXMacSite::_ReInitPrimarySurface
 */
void
CHXMacSite::_ReInitPrimarySurface()
{
}

/************************************************************************
 *  Method:
 *    CHXMacSite::_MoveWindow
 */
BOOL
CHXMacSite::_MoveWindow(void* window, INT32 X, INT32 Y, INT32 nWidth, INT32 nHeight, BOOL bRepaint)
{
    return TRUE;
}

/************************************************************************
 *  Method:
 *    CHXMacSite::_UpdateWindow
 */
BOOL
CHXMacSite::_UpdateWindow(void* hWnd)
{
    return TRUE;
}

/************************************************************************
 *  Method:
 *    CHXMacSite::_ShowWindow
 */
BOOL
CHXMacSite::_ShowWindow(void* hWnd, INT32 nCmdShow)
{
    return TRUE;
}

/************************************************************************
 *  Method:
 *    CHXMacSite::_SetWindowPos
 */
BOOL
CHXMacSite::_SetWindowPos(void* hWnd, void* hWndInsertAfter, INT32 X, INT32 Y, INT32 cx, INT32 cy, INT32 uFlags)
{
    return TRUE;
}

/************************************************************************
 *  Method:
 *    CHXMacSite::_SetWindowRgn
 */
BOOL
CHXMacSite::_SetWindowRgn(void* hWnd, HXREGION* hRgn, BOOL bRedraw)
{
    return TRUE;
}

/************************************************************************
 *  Method:
 *    CHXMacSite::_SetFocus
 */
void
CHXMacSite::_SetFocus(void* pWindow)
{
}


/************************************************************************
 *  Method:
 *    CHXMacSite::GetMacContentAreaOffset
 */
void
CHXMacSite::GetMacContentAreaOffset(REF(HXxPoint)offset)
{
    offset.x = m_topleft.x;
    offset.y = m_topleft.y;
    
    HXxWindow* pWindow = GetWindow();
    
    if (pWindow)
    {
	offset.x += pWindow->x;
	offset.y += pWindow->y;
    }
    
    return;
}


#pragma export on

extern "C" void MacSiteHandleAllEvents(HXxEvent* pEvent)
{
    CHXMacSite::_HandleAllOSEvents(pEvent);
}

#pragma export off


/************************************************************************
 *  Callback implementation
 */

/************************************************************************
 *  Method:
 *    CHXMacSite::MacSiteRedrawCallback ctor
 */

CHXMacSite::MacSiteRedrawCallback::MacSiteRedrawCallback(CHXMacSite* pMacSite)
 : m_lRefCount(0)
 , m_ulMacSiteRedrawCallbackPendingID(0)
 , m_pMacSite(pMacSite)
{
}

/************************************************************************
 *  Method:
 *    CHXMacSite::MacSiteRedrawCallback dtor
 */

CHXMacSite::MacSiteRedrawCallback::~MacSiteRedrawCallback()
{
}

/************************************************************************
 *  Method:
 *    CHXMacSite::MacSiteRedrawCallback::QueryInterface
 */

STDMETHODIMP
CHXMacSite::MacSiteRedrawCallback::QueryInterface(REFIID riid, void** ppvObj)
{
    if (IsEqualIID(riid, IID_IHXCallback))
    {
	AddRef();
	*ppvObj = (IHXCallback*)this;
	return HXR_OK;
    }
    else if (IsEqualIID(riid, IID_IUnknown))
    {
        AddRef();
        *ppvObj = this;
        return HXR_OK;
    }

    *ppvObj = NULL;
    return HXR_NOINTERFACE;
}

/************************************************************************
 *  Method:
 *    CHXMacSite::MacSiteRedrawCallback::AddRef
 */

STDMETHODIMP_(ULONG32)
CHXMacSite::MacSiteRedrawCallback::AddRef()
{
    return InterlockedIncrement( &m_lRefCount );
}

/************************************************************************
 *  Method:
 *    CHXMacSite::MacSiteRedrawCallback::Release
 */

STDMETHODIMP_(ULONG32)
CHXMacSite::MacSiteRedrawCallback::Release()
{
    if ( InterlockedDecrement( &m_lRefCount ) > 0 )
    {
	return m_lRefCount;
    }
    
    delete this;
    return 0;
}

/************************************************************************
 *  Method:
 *    CHXMacSite::MacSiteRedrawCallback::Func
 */

STDMETHODIMP
CHXMacSite::MacSiteRedrawCallback::Func()
{
    m_pMacSite->_TLSLock();
    
    m_ulMacSiteRedrawCallbackPendingID = NULL;
    m_pMacSite->ForceRedraw();
    
    m_pMacSite->_TLSUnlock();
    
    return HXR_OK;
}


#ifdef THREADS_SUPPORTED

#ifdef USE_CARBON_TIMER
/************************************************************************
 *  Method:
 *    CHXMacSite::Redraw(something)Timer
 */

/*static*/
#ifdef _MAC_MACHO
void CHXMacSite::RedrawCFTimer(CFRunLoopTimerRef, CHXMacSite* pMacSite)
#else
void CHXMacSite::RedrawCarbonTimer(EventLoopTimerRef, CHXMacSite* pMacSite)
#endif
{
    // XXXMEH
    MLOG_BLT(NULL,
             "%lu\t----macsite.cpp--- RedrawCarbonTimer()\n",
             HX_GET_BETTERTICKCOUNT());
    HX_ASSERT( pMacSite );

    HX_ASSERT(IsMacInCooperativeThread());

    if (pMacSite->m_pIHXCoreMutex) pMacSite->m_pIHXCoreMutex->LockCoreMutex();
    
    // this huge block of code is adapted from the base site's implementation of
    // InternalScheduleUpgrade, where it needs to match up an IHXPlayer with this
    // site. In this case, we're protecting ourselves against rug-pulling, i.e.
    // if a stream has ended and stuff has been deleted, it's still possible (due
    // to the Carbon Timer's behavior of delaying redraws) that there's a pending
    // ForceRedraw() that wants to happen. If there's no player for this site, or
    // if the player is done, then we'll omit the blit.
    
    // On a one-gigahertz processor, this checking function is taking
    // between 20 and 30 microseconds; it may be worthwhile to save the
    // player in a member variable.
    
    bool bPlayerStillRunning = false;
    
    IHXPreferences* pPreferences = NULL;
    IHXBuffer* pBuffer = NULL;
    
    IHXClientEngine* pClientEngine = NULL;
    if (HXR_OK == pMacSite->m_pContext->QueryInterface(IID_IHXClientEngine, (void**)&pClientEngine))
    {
        UINT16 nPlayerCount = pClientEngine->GetPlayerCount();
        IUnknown* pUnknown = NULL;
        
        if (nPlayerCount == 1)
        {
            // wow, this was easy -- this is the only player then.
            pClientEngine->GetPlayer(0, pUnknown);
        }
        else
        {
            IHXSite* pThisSite = NULL;
            
            pMacSite->QueryInterface(IID_IHXSite, (void**)&pThisSite);
            HX_ASSERT(pThisSite);
            
            UINT16 index;
            for (index = 0; index < nPlayerCount; index++)
            {
                IHXSiteManager2* pSiteMgr2 = NULL;
                IUnknown* pUnknownPlayer = NULL;
                
                pClientEngine->GetPlayer(index, pUnknownPlayer);
                HX_ASSERT(pUnknownPlayer);
                
                pUnknownPlayer->QueryInterface(IID_IHXSiteManager2, (void**)&pSiteMgr2);
                if (pSiteMgr2)
                {
                    UINT32 nNumSites;
                    pSiteMgr2->GetNum