//==========================================================================;
//
// Copyright (c) Microsoft Corporation 1998-2000.
//
//--------------------------------------------------------------------------;
//
// vidprot.cpp : Implementation of CTVProt
//
#include "stdafx.h"
#ifndef TUNING_MODEL_ONLY
#include <string.h>
#include <shlwapi.h>
#include "vidprot.h"
#include "devices.h"
DEFINE_EXTERN_OBJECT_ENTRY(__uuidof(CTVProt), CTVProt)
DEFINE_EXTERN_OBJECT_ENTRY(__uuidof(CDVDProt), CDVDProt)
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
// CTVProt
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
// CTVProt -- IInternetProtocolRoot
STDMETHODIMP CTVProt::Start(LPCWSTR szUrl,
IInternetProtocolSink* pOIProtSink,
IInternetBindInfo* pOIBindInfo,
DWORD grfPI,
HANDLE_PTR /* dwReserved */)
{
TRACELM(TRACE_DEBUG, "CTVProt::Start()");
if (!pOIProtSink)
{
TRACELM(TRACE_DEBUG, "CTVProt::Start() IInternetProctocolSink * == NULL");
return E_POINTER;
}
m_pSink.Release();
m_pSink = pOIProtSink;
m_pSink->ReportData(BSCF_FIRSTDATANOTIFICATION, 0, 0);
#if 0
// this bug is fixed in ie 5.5+ on whistler. if you want to run on earlier versions of ie such as 2k gold then you need this.
m_pSink->ReportProgress(BINDSTATUS_CONNECTING, NULL); // put binding in downloading state so it doesn't ignore our IUnknown*
#endif
if (!pOIBindInfo) {
m_pSink->ReportResult(E_NOINTERFACE, 0, 0);
return E_NOINTERFACE;
}
// don't run unless we're being invoked from a safe site
HRESULT hr = IsSafeSite(m_pSink);
if (FAILED(hr)) {
m_pSink->ReportResult(hr, 0, 0);
return hr;
}
ULONG count;
LPOLESTR pb;
hr = pOIBindInfo->GetBindString(BINDSTRING_FLAG_BIND_TO_OBJECT, &pb, 1, &count);
if (FAILED(hr)) {
m_pSink->ReportResult(hr, 0, 0);
return hr;
}
if (wcscmp(pb, BIND_TO_OBJ_VAL)) {
// we must be getting a bind to storage so skip the expensive stuff and
// wait for the bind to object which is coming next
m_pSink->ReportData(BSCF_LASTDATANOTIFICATION |
BSCF_DATAFULLYAVAILABLE, 0, 0);
m_pSink->ReportResult(S_OK, 0, 0);
m_pSink.Release();
return S_OK;
}
// and, in one of the most bizarre maneuvers i've ever seen, rather than casting,
// urlmon passes back the ascii value of the ibindctx pointer in the string
hr = pOIBindInfo->GetBindString(BINDSTRING_PTR_BIND_CONTEXT, &pb, 1, &count);
if (FAILED(hr)) {
m_pSink->ReportResult(hr, 0, 0);
return hr;
}
_ASSERT(count == 1);
PQBindCtx pbindctx;
#define RADIX_BASE_10 (10)
#ifdef _WIN64
#if 0
// undone: turn this back on for win64 when _wcstoxi64 get into libc.c, they're in the header
// but not implemented so this doesn't link
pbindctx.Attach(reinterpret_cast<IBindCtx*>(_wcstoui64(pb, NULL, RADIX_BASE_10))); // urlmon already did an addref
#else
swscanf(pb, L"%I64d", &pbindctx.p);
#endif
#else
pbindctx.Attach(reinterpret_cast<IBindCtx*>(wcstol(pb, NULL, RADIX_BASE_10))); // urlmon already did an addref
#endif
if (!pbindctx) {
m_pSink->ReportResult(E_NOINTERFACE, 0, 0);
return E_NOINTERFACE;
}
TRACELM(TRACE_DEBUG, "CTVProt::Start(): creating control object");
PQVidCtl pCtl;
hr = GetVidCtl(pCtl);
if (FAILED(hr)) {
m_pSink->ReportResult(hr, 0, 0);
return hr;
}
hr = pbindctx->RegisterObjectParam(OLESTR("IUnknown Pointer"), pCtl);
if (FAILED(hr)) {
m_pSink->ReportResult(hr, 0, 0);
return hr;
}
TRACELSM(TRACE_DEBUG, (dbgDump << "BINDSTATUS_IUNKNOWNAVAILABLE(29), " << KEY_CLSID_VidCtl), "");
m_pSink->ReportProgress(BINDSTATUS_IUNKNOWNAVAILABLE, NULL);
m_pSink->ReportData(BSCF_LASTDATANOTIFICATION |
BSCF_DATAFULLYAVAILABLE, 0, 0);
m_pSink->ReportResult(S_OK, 0, 0);
m_pSink.Release();
return S_OK;
}
HRESULT CTVProt::GetCachedVidCtl(PQVidCtl &pCtl, PQWebBrowser2& pW2) {
// hunt for cached object
PQServiceProvider pSP(m_pSink);
if (!pSP) {
return E_UNEXPECTED;
}
HRESULT hr = pSP->QueryService(SID_SWebBrowserApp, IID_IWebBrowser2, (LPVOID *)&pW2);
if (FAILED(hr)) {
return hr;
}
CComVariant v;
CComBSTR propname(KEY_CLSID_VidCtl);
if (!propname) {
return E_UNEXPECTED;
}
hr = pW2->GetProperty(propname, &v);
if (FAILED(hr)) {
return hr;
}
if (v.vt == VT_UNKNOWN) {
pCtl = v.punkVal;
} else if (v.vt == VT_DISPATCH) {
pCtl = v.pdispVal;
} else {
TRACELM(TRACE_ERROR, "CTVProt::GetCachedObject(): non-object cached w/ our key");
pCtl.Release();
// don't return error. we'll ignore this and create a new one
}
// undone: look and see if pCtl already has a site.because
// this means we're seeing the second tv: on this page
// so just get the current TR/channel from it if necessary (tv: w/ no rhs)
// and create a new ctl
return NOERROR;
}
HRESULT CTVProt::GetVidCtl(PQVidCtl &pCtl) {
PQWebBrowser2 pW2;
HRESULT hr = GetCachedVidCtl(pCtl, pW2);
if (FAILED(hr)) {
return hr;
}
if (!pCtl) {
// undone: long term, we want to move a bunch of this create/setup logic into factoryhelp
// so we can share more code with the dvd: protocol and the behavior factory
hr = pCtl.CoCreateInstance(CLSID_MSVidCtl, NULL, CLSCTX_INPROC_SERVER);
if (FAILED(hr)) {
return hr;
}
// cache this ctl for next time
if (pW2) {
VARIANT v;
v.vt = VT_UNKNOWN;
v.punkVal = pCtl;
CComBSTR propname(KEY_CLSID_VidCtl);
if (!propname) {
return E_UNEXPECTED;
}
hr = pW2->PutProperty(propname, v);
if (FAILED(hr)) {
TRACELM(TRACE_ERROR, "CTVProt::Start() Can't cache ctl");
// ignore this error. it shouldn't ever happen and if it does then it will
// just cause a perf degradation. trace it and move on
}
}
// undone: parse rhs of url and create the right tuning request
CComVariant pTR(CFactoryHelper::GetDefaultTR());
if (!pTR) {
TRACELM(TRACE_ERROR, "CTVProt::Start() Can't find default Tune Request");
return E_INVALIDARG;
}
hr = pCtl->View(&pTR);
if (FAILED(hr)) {
TRACELM(TRACE_ERROR, "CTVProt::Start() Can't view default Tune Request");
return hr;
}
// undone: once we know where vidctl will live in the registry then we need to put a flag
// in the registry just disables including any features in the tv: prot
PQFeatures pF;
hr = pCtl->get_FeaturesAvailable(&pF);
if (FAILED(hr)) {
TRACELM(TRACE_ERROR, "CTVProt::Start() Can't get features collection");
return hr;
}
// undone: look up default feature segments for tv: in registry
// for now we're just going to hard code the ones we want
CFeatures* pC = static_cast<CFeatures *>(pF.p);
CFeatures* pNewColl = new CFeatures;
if (!pNewColl) {
return E_OUTOFMEMORY;
}
for (DeviceCollection::iterator i = pC->m_Devices.begin(); i != pC->m_Devices.end(); ++i) {
PQFeature f(*i);
GUID2 clsid;
hr = f->get__ClassID(&clsid);
if (FAILED(hr)) {
TRACELM(TRACE_ERROR, "CTVProt::GetVidCtl() Can't get feature class id");
continue;
}
if (clsid == CLSID_MSVidClosedCaptioning ||
clsid == CLSID_MSVidDataServices) {
pNewColl->m_Devices.push_back(*i);
}
}
hr = pCtl->put_FeaturesActive(pNewColl);
if (FAILED(hr)) {
TRACELM(TRACE_ERROR, "CTVProt::Start() Can't put features collection");
return hr;
}
}
ASSERT(pCtl);
hr = pCtl->Run();
if (FAILED(hr)) {
TRACELSM(TRACE_ERROR, (dbgDump << "CTVProt::Start() run failed. hr = " << hexdump(hr)), "");
return hr;
}
return NOERROR;
}
#endif // TUNING_MODEL_ONLY
// end of file vidprot.cpp