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