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#include "main.h"
#include "./rssCOM.h"
#include "./util.h"
#include "api__ml_wire.h"
#include "./cloud.h"
#include "./feedUtil.h"
#include "./defaults.h"
#include "./errors.h"
#include "../winamp/jsapi.h"
#include "./rssCOM.h"
#include <strsafe.h>
extern Cloud cloud;
#define DISPTABLE_CLASS RssCOM
DISPTABLE_BEGIN()
DISPENTRY_ADD(DISPATCH_SUBSCRIBE, L"subscribe", OnSubscribe)
DISPTABLE_END
#undef DISPTABLE_CLASS
RssCOM::RssCOM()
{}
RssCOM::~RssCOM()
{}
HRESULT RssCOM::CreateInstance(RssCOM **instance)
{
if (NULL == instance) return E_POINTER;
*instance = new RssCOM();
if (NULL == *instance) return E_OUTOFMEMORY;
return S_OK;
}
STDMETHODIMP_(ULONG) RssCOM::AddRef(void)
{
return _ref.fetch_add( 1 );
}
STDMETHODIMP_(ULONG) RssCOM::Release(void)
{
if (0 == _ref.load() )
return _ref.load();
LONG r = _ref.fetch_sub( 1 );
if (0 == r)
delete(this);
return r;
}
STDMETHODIMP RssCOM::QueryInterface(REFIID riid, PVOID *ppvObject)
{
if (NULL == ppvObject) return E_POINTER;
if (IsEqualIID(riid, IID_IDispatch))
*ppvObject = static_cast<IDispatch*>(this);
else if (IsEqualIID(riid, IID_IUnknown))
*ppvObject = static_cast<IUnknown*>(this);
else
{
*ppvObject = NULL;
return E_NOINTERFACE;
}
AddRef();
return S_OK;
}
HRESULT RssCOM::OnSubscribe(WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, unsigned int FAR *puArgErr)
{
JSAPI_VERIFY_METHOD(wFlags);
JSAPI_VERIFY_PARAMCOUNT(pdispparams, 1);
BSTR url;
JSAPI_GETSTRING(url, pdispparams, 1, puArgErr);
SubscribeUrl(url, pvarResult);
return S_OK;
}
struct SubscribeThreadData
{
LPWSTR url;
};
static LPCWSTR FormatLangString(LPWSTR pszBuffer, INT cchBufferMax, LPWSTR pszFormat, INT cchFormatMax, INT formatId, ...)
{
HRESULT hr;
va_list argList;
va_start(argList, formatId);
if(NULL != WASABI_API_LNGSTRINGW_BUF(formatId, pszFormat, cchFormatMax))
{
hr = StringCchVPrintfExW(pszBuffer, cchBufferMax, NULL, NULL, STRSAFE_IGNORE_NULLS, pszFormat, argList);
}
else
{
hr = E_FAIL;
}
va_end(argList);
return (SUCCEEDED(hr)) ? pszBuffer : NULL;
}
static DWORD WINAPI SubscribeThreadProc(void *param)
{
SubscribeThreadData *data = (SubscribeThreadData *)param;
Channel newFeed;
newFeed.updateTime = updateTime;
newFeed.autoUpdate = autoUpdate;
newFeed.autoDownload = autoDownload;
newFeed.autoDownloadEpisodes = autoDownloadEpisodes;
newFeed.SetURL(data->url);
newFeed.needsRefresh = true;
WCHAR szBuffer1[2048] = {0}, szBuffer2[2048] = {0};
LPCWSTR pszMessage = NULL, pszTitle = NULL;
switch (DownloadFeedInformation(newFeed))
{
case DOWNLOAD_SUCCESS:
{
Nullsoft::Utility::AutoLock lock (channels LOCKNAME("AddURL"));
newFeed.autoDownload = ::autoDownload;
if (channels.AddChannel(newFeed))
cloud.Pulse();
}
break;
case DOWNLOAD_DUPLICATE:
pszMessage = FormatLangString(szBuffer1, ARRAYSIZE(szBuffer1), szBuffer2, ARRAYSIZE(szBuffer2), IDS_ALREADY_SUBSCRIBED, newFeed.title, data->url);
break;
case DOWNLOAD_404:
pszMessage = FormatLangString(szBuffer1, ARRAYSIZE(szBuffer1), szBuffer2, ARRAYSIZE(szBuffer2), IDS_FILE_NOT_FOUND, data->url);
break;
case DOWNLOAD_TIMEOUT:
pszMessage = FormatLangString(szBuffer1, ARRAYSIZE(szBuffer1), szBuffer2, ARRAYSIZE(szBuffer2), IDS_CONNECTION_TIMED_OUT, data->url);
break;
case DOWNLOAD_ERROR_PARSING_XML:
pszMessage = FormatLangString(szBuffer1, ARRAYSIZE(szBuffer1), szBuffer2, ARRAYSIZE(szBuffer2), IDS_ERROR_PARSING_XML, data->url);
break;
case DOWNLOAD_NOTRSS:
pszMessage = FormatLangString(szBuffer1, ARRAYSIZE(szBuffer1), szBuffer2, ARRAYSIZE(szBuffer2), IDS_INVALID_RSS_FEED, data->url);
break;
case DOWNLOAD_CONNECTIONRESET:
pszMessage = FormatLangString(szBuffer1, ARRAYSIZE(szBuffer1), szBuffer2, ARRAYSIZE(szBuffer2), IDS_CONNECTION_RESET, data->url);
break;
case DOWNLOAD_NOHTTP:
pszMessage = WASABI_API_LNGSTRINGW_BUF(IDS_NO_JNETLIB, szBuffer1, ARRAYSIZE(szBuffer1));
pszTitle = WASABI_API_LNGSTRINGW_BUF(IDS_JNETLIB_MISSING, szBuffer2, ARRAYSIZE(szBuffer2));
break;
case DOWNLOAD_NOPARSER:
pszMessage = WASABI_API_LNGSTRINGW_BUF(IDS_NO_EXPAT, szBuffer1, ARRAYSIZE(szBuffer1));
pszTitle = WASABI_API_LNGSTRINGW_BUF(IDS_EXPAT_MISSING, szBuffer2, ARRAYSIZE(szBuffer2));
break;
}
if(NULL != pszMessage)
{
if (NULL == pszTitle)
pszTitle = WASABI_API_LNGSTRINGW_BUF(IDS_ERROR_SUBSCRIBING_TO_PODCAST, szBuffer2, ARRAYSIZE(szBuffer2));
MessageBox(plugin.hwndLibraryParent, pszMessage, pszTitle, MB_ICONERROR | MB_OK);
}
Plugin_FreeString(data->url);
free(data);
return 0;
}
LPCWSTR RssCOM::GetName()
{
return L"Podcast";
}
HRESULT RssCOM::SubscribeUrl(BSTR url, VARIANT FAR *result)
{
HRESULT hr;
SubscribeThreadData *data = (SubscribeThreadData*)malloc(sizeof(SubscribeThreadData));
if (NULL != data)
{
data->url = Plugin_CopyString(url);
DWORD threadId;
HANDLE hThread = CreateThread(NULL, NULL, SubscribeThreadProc, (void*)data, NULL, &threadId);
if (NULL == hThread)
{
DWORD error = GetLastError();
hr = HRESULT_FROM_WIN32(error);
Plugin_FreeString(data->url);
free(data);
}
else
{
CloseHandle(hThread);
hr = S_OK;
}
}
else
hr = E_OUTOFMEMORY;
if (NULL != result)
{
VariantInit(result);
V_VT(result) = VT_BOOL;
V_BOOL(result) = (SUCCEEDED(hr) ? VARIANT_TRUE : VARIANT_FALSE);
}
return hr;
}
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