static inline HRESULT report_data(BindStatusCallback *This)
{
FORMATETC formatetc = {0, NULL, 1, -1, TYMED_ISTREAM};
STGMEDIUM stgmedium;
LARGE_INTEGER off;
ULARGE_INTEGER size;
HRESULT hres;
off.QuadPart = 0;
hres = IStream_Seek(This->stream, off, STREAM_SEEK_CUR, &size);
if(FAILED(hres))
return hres;
hres = IStream_Seek(This->stream, off, STREAM_SEEK_SET, NULL);
if(FAILED(hres))
return hres;
stgmedium.tymed = TYMED_ISTREAM;
stgmedium.u.pstm = This->stream;
stgmedium.pUnkForRelease = NULL;
hres = IBindStatusCallback_OnDataAvailable(This->bsc,
BSCF_FIRSTDATANOTIFICATION|BSCF_LASTDATANOTIFICATION,
size.u.LowPart, &formatetc, &stgmedium);
IStream_Release(This->stream);
This->stream = NULL;
return hres;
}
static HRESULT WINAPI BindStatusCallback_OnDataAvailable(IBindStatusCallbackEx *iface,
DWORD grfBSCF, DWORD dwSize, FORMATETC *pformatetc, STGMEDIUM *pstgmed)
{
BindStatusCallback *This = impl_from_IBindStatusCallbackEx(iface);
TRACE("(%p)->(%08x %d %p %p)\n", This, grfBSCF, dwSize, pformatetc, pstgmed);
return IBindStatusCallback_OnDataAvailable(This->callback, grfBSCF, dwSize, pformatetc, pstgmed);
}
static HRESULT WINAPI ProxyBindStatusCallback_OnDataAvailable(IBindStatusCallback *iface, DWORD grfBSCF,
DWORD dwSize, FORMATETC* pformatetc, STGMEDIUM* pstgmed)
{
ProxyBindStatusCallback *This = (ProxyBindStatusCallback *)iface;
if(This->pBSC)
return IBindStatusCallback_OnDataAvailable(This->pBSC, grfBSCF, dwSize,
pformatetc, pstgmed);
return S_OK;
}
static HRESULT Binding_MoreCacheData(Binding *This, const char *buf, DWORD dwBytes)
{
DWORD written;
if (WriteFile(This->hCacheFile, buf, dwBytes, &written, NULL) && written == dwBytes)
{
HRESULT hr;
This->total_read += written;
hr = IBindStatusCallback_OnProgress(This->pbscb,
This->total_read + written,
This->expected_size,
(This->total_read == written) ?
BINDSTATUS_BEGINDOWNLOADDATA :
BINDSTATUS_DOWNLOADINGDATA,
This->URLName);
if (hr == S_OK)
{
STGMEDIUM stg;
FORMATETC fmt;
fmt.cfFormat = 0;
fmt.ptd = NULL;
fmt.dwAspect = 0;
fmt.lindex = -1;
fmt.tymed = TYMED_ISTREAM;
stg.tymed = TYMED_ISTREAM;
stg.u.pstm = (IStream *)This->pstrCache;
stg.pUnkForRelease = NULL;
hr = IBindStatusCallback_OnDataAvailable(This->pbscb,
(This->total_read == written) ?
BSCF_FIRSTDATANOTIFICATION :
BSCF_INTERMEDIATEDATANOTIFICATION,
This->total_read + written,
&fmt,
&stg);
}
if (written < dwBytes)
return STG_E_MEDIUMFULL;
else
return hr;
}
return HRESULT_FROM_WIN32(GetLastError());
}
static void Binding_FinishedDownload(Binding *This, HRESULT hr)
{
STGMEDIUM stg;
FORMATETC fmt;
fmt.ptd = NULL;
fmt.dwAspect = 0;
fmt.lindex = -1;
fmt.tymed = TYMED_ISTREAM;
stg.tymed = TYMED_ISTREAM;
stg.u.pstm = (IStream *)This->pstrCache;
stg.pUnkForRelease = NULL;
IBindStatusCallback_OnProgress(This->pbscb, This->total_read, This->expected_size,
BINDSTATUS_ENDDOWNLOADDATA, This->URLName);
IBindStatusCallback_OnDataAvailable(This->pbscb, BSCF_LASTDATANOTIFICATION, This->total_read, &fmt, &stg);
if (hr != S_OK)
{
WCHAR *pwchError = 0;
FormatMessageW (FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_ALLOCATE_BUFFER,
NULL, (DWORD) hr,
0, (LPWSTR) &pwchError,
0, NULL);
if (!pwchError)
{
static const WCHAR achFormat[] = { '%', '0', '8', 'x', 0 };
pwchError =(WCHAR *) LocalAlloc(LMEM_FIXED, sizeof(WCHAR) * 9);
wsprintfW(pwchError, achFormat, hr);
}
IBindStatusCallback_OnStopBinding(This->pbscb, hr, pwchError);
LocalFree(pwchError);
}
else
{
IBindStatusCallback_OnStopBinding(This->pbscb, hr, NULL);
}
IBindStatusCallback_Release(This->pbscb);
This->pbscb = 0;
}
static void report_data(Binding *This, DWORD bscf, ULONG progress, ULONG progress_max)
{
FORMATETC formatetc = {0, NULL, 1, -1, TYMED_ISTREAM};
BOOL sent_begindownloaddata = FALSE;
TRACE("(%p)->(%d %u %u)\n", This, bscf, progress, progress_max);
if(This->download_state == END_DOWNLOAD || (This->state & (BINDING_STOPPED|BINDING_ABORTED)))
return;
if(This->stgmed_buf->file != INVALID_HANDLE_VALUE)
read_protocol_data(This->stgmed_buf);
else if(This->download_state == BEFORE_DOWNLOAD)
fill_stgmed_buffer(This->stgmed_buf);
if(This->download_state == BEFORE_DOWNLOAD) {
This->download_state = DOWNLOADING;
sent_begindownloaddata = TRUE;
IBindStatusCallback_OnProgress(This->callback, progress, progress_max,
BINDSTATUS_BEGINDOWNLOADDATA, This->url);
if(This->stgmed_buf->cache_file)
IBindStatusCallback_OnProgress(This->callback, progress, progress_max,
BINDSTATUS_CACHEFILENAMEAVAILABLE, This->stgmed_buf->cache_file);
}
if(This->stgmed_buf->hres == S_FALSE || (bscf & BSCF_LASTDATANOTIFICATION)) {
This->download_state = END_DOWNLOAD;
IBindStatusCallback_OnProgress(This->callback, progress, progress_max,
BINDSTATUS_ENDDOWNLOADDATA, This->url);
} else if(!sent_begindownloaddata) {
IBindStatusCallback_OnProgress(This->callback, progress, progress_max,
BINDSTATUS_DOWNLOADINGDATA, This->url);
}
if(This->state & (BINDING_STOPPED|BINDING_ABORTED))
return;
if(This->to_object) {
if(!(This->state & BINDING_OBJAVAIL)) {
IBinding_AddRef(BINDING(This));
create_object(This);
IBinding_Release(BINDING(This));
}
} else {
STGMEDIUM stgmed;
HRESULT hres;
if(!(This->state & BINDING_LOCKED)) {
HRESULT hres = IInternetProtocol_LockRequest(This->protocol, 0);
if(SUCCEEDED(hres))
This->state |= BINDING_LOCKED;
}
hres = This->stgmed_obj->vtbl->fill_stgmed(This->stgmed_obj, &stgmed);
if(FAILED(hres)) {
stop_binding(This, hres, NULL);
return;
}
formatetc.tymed = stgmed.tymed;
formatetc.cfFormat = This->clipboard_format;
IBindStatusCallback_OnDataAvailable(This->callback, bscf, progress,
&formatetc, &stgmed);
if(This->download_state == END_DOWNLOAD)
stop_binding(This, S_OK, NULL);
}
}
