Initial community commit

Src/Plugins/Library/ml_wire/RSSCOM.cpp

@@ -0,0 +1,232 @@
+#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;
+}