void *wxSizeCacherThread::Entry()
{
wxLogAdvMsg(wxT("wxSizeCacherThread::Entry - caching file sizes"));
bool allok = TRUE;
if (m_urls.GetCount() == 0)
return (void*)FALSE; // no urls whose size must be cached ?
// be sure to have n null entries in our cache array, where
// 'n' is the number of URLs whose size must be cached
m_urlSizes = new wxArrayLong();
m_urlSizes->Add((long)0, m_urls.GetCount());
// begin our loop
for (int i=0; i<(int)m_urls.GetCount() && !TestDestroy(); i++) {
// getting the input stream for the url is the only way
// to get the size of the resource pointed by that url...
m_urlSizes->Item(i) = wxGetSizeOfURI(m_urls[i]);
allok &= (m_urlSizes->Item(i) != 0);
}
wxLogAdvMsg(wxT("wxSizeCacherThread::Entry - caching of file sizes completed"));
return (void *)allok;
}
void wxWebUpdateListCtrl::CacheDownloadSizes()
{
// it makes sense to cache download sizes even when this listctrl is hidden
// since we need the download size in any case for the progress bar
// if (!this->IsShown())
// return;
#if 0
// TO TEST wxGetSizeOfURI
// 1) try strings that won't be parsable (e.g. abcdhttp://)
// 2) try strings that will parse but do not point to any real file (e.g. http://myserver.com/nonexistingfile)
// 3) try with a real file (e.g. http://www.google.com)
unsigned long n = wxGetSizeOfURI(wxS("http://osdn.dl.sourceforge.net/sourceforge/wxcode/simple-gtk-2.0.3.zipfdsafdas"));
if (n == 0xfffffff)
wxMessageBox(wxString::Format(wxS("fake ")));
else
wxMessageBox(wxString::Format(wxS("%lu"), n));
#else
// now load all the packages we need in local cache
wxSizeCacherThread *p = new wxSizeCacherThread(this);
for (int i=0; i < (int)m_arrRemotePackages.GetCount(); i++) {
wxString u = m_arrRemotePackages[i].GetDownload().GetDownloadString();
wxLogDebug(wxS("wxWebUpdateListCtrl::CacheDownloadSizes - adding [") + u +
wxS("] to size-caching"));
p->m_urls.Add(u);
}
wxLogAdvMsg(wxS("wxWebUpdateListCtrl::CacheDownloadSizes - launching the size cacher thread"));
if (p->Create() != wxTHREAD_NO_ERROR ||
p->Run() != wxTHREAD_NO_ERROR) {
wxMessageBox(_("Low resources; cannot show the size of the packages...\nClose some applications and then retry."),
_("Error"), wxOK | wxICON_ERROR);
}
#endif
}
