Initial community commit

Src/Winamp/gen.cpp

@@ -0,0 +1,213 @@
+#include "main.h"
+#include "gen.h"
+#include <vector>
+#include "../nu/AutoWide.h"
+
+#include "..\WAT\wa_logger.h"
+
+
+std::vector<winampGeneralPurposePlugin*> gen_plugins;
+extern LARGE_INTEGER freq;
+int got_ml = 0;
+
+typedef struct _PLUGINORDER
+{
+	LPCWSTR	name;
+	bool	found;
+} PLUGINORDER;
+
+static PLUGINORDER preload[] =
+{
+	{ L"gen_crasher.dll", false },  //
+	{ L"gen_ff.dll",      false },  //
+	{ L"gen_hotkeys.dll", false },  //
+	{ L"gen_tray.dll",    false },  //
+	{ L"gen_ml.dll",      false },  //
+	{ L"gen_jumpex.dll",  false },
+};
+
+void LoadGenPlugin(const wchar_t* filename)
+{
+	wchar_t file[MAX_PATH] = { 0 };
+	PathCombineW(file, PLUGINDIR, filename);
+
+	if (!wa::files::file_exists(file))
+	{
+		wsprintfW( _log_message_w, L"The plugin '%s' is not found in the \"Plugins\" folder!", filename );
+
+		LOG_ERROR( _log_message_w );
+
+
+		return;
+	}
+
+
+	HMODULE hLib = LoadLibraryW(file);
+	if (hLib == NULL)
+	{
+		DWORD l_error_code = ::GetLastError();
+
+		wsprintfW( _log_message_w, L"Error when loading the plugin '%s'! Error code : %d!", filename, l_error_code );
+
+
+		LOG_ERROR( _log_message_w );
+
+
+		return;
+	}
+
+	winampGeneralPurposePlugin* (*pr)();
+	pr = (winampGeneralPurposePlugin * (__cdecl*)(void)) GetProcAddress(hLib, "winampGetGeneralPurposePlugin");
+	if ( pr == NULL )
+	{
+		wsprintfW( _log_message_w, L"No entry point found for the plugin '%s'!", filename );
+
+		LOG_ERROR( _log_message_w );
+
+
+		FreeModule(hLib);
+		return;
+	}
+
+
+	winampGeneralPurposePlugin* plugin = pr();
+	if ( plugin && (plugin->version == GPPHDR_VER || plugin->version == GPPHDR_VER_U) )
+	{
+		wsprintfW( _log_message_w, L"The plugin '%s' is correctly loaded!", filename );
+
+		LOG_DEBUG( _log_message_w );
+
+
+		if ( g_safeMode )
+		{
+			char desc[128] = { 0 };
+			lstrcpynA(desc, plugin->description, sizeof(desc));
+			if ( desc[0] && !memcmp(desc, "nullsoft(", 9) )
+			{
+				char* p = strrchr(desc, ')');
+				if ( p )
+				{
+					*p = 0;
+					if ( _wcsicmp(filename, AutoWide(desc + 9)) )
+					{
+						FreeModule(hLib);
+						return;
+					}
+				}
+			}
+			else
+			{
+				// TODO need to look into making this into a controlled
+				//		list or something like that without the need for
+				//		a client update so it's possible for user to fix
+				//
+				// for some plug-ins, we sadly need to leave them loaded
+				// otherwise they'll just cause Winamp to keep crashing!
+				if ( _wcsicmp(PathFindFileNameW(filename), L"gen_Wake_up_call.dll") )
+				{
+					FreeModule(hLib);
+				}
+				return;
+			}
+		}
+
+		plugin->hwndParent   = hMainWindow;
+		plugin->hDllInstance = hLib;
+
+		if ( plugin->init() == GEN_INIT_SUCCESS )
+		{
+			wsprintfW( _log_message_w, L"The plugin '%s' is initialized!", filename );
+
+			LOG_DEBUG( _log_message_w );
+
+
+			if ( !_wcsicmp(filename, L"gen_ml.dll") )
+				got_ml = 1;
+
+			gen_plugins.push_back(plugin);
+		}
+		else
+		{
+			wsprintfW( _log_message_w, L"An error occurs when initializing the plugin '%s'!", filename );
+
+			LOG_ERROR( _log_message_w );
+			
+			
+			FreeModule( hLib );
+		}
+	}
+	else
+	{
+		wsprintfW( _log_message_w, L"Either the plugin '%s' can't be loaded, either its version is incorrect!", filename );
+
+		LOG_ERROR( _log_message_w );
+
+		FreeModule( hLib );
+	}
+}
+
+void load_genplugins()
+{
+	int i = 0, count = sizeof(preload) / sizeof(PLUGINORDER);
+	for ( ; i < count; i++ )
+		LoadGenPlugin(preload[i].name);
+
+	wchar_t dirstr[MAX_PATH] = { 0 };
+	WIN32_FIND_DATAW d = { 0 };
+	PathCombineW(dirstr, PLUGINDIR, L"GEN_*.DLL");
+
+	HANDLE h = FindFirstFileW(dirstr, &d);
+	if ( h != INVALID_HANDLE_VALUE )
+	{
+		do
+		{
+			for ( i = 0; i < count && (preload[i].found || lstrcmpiW(preload[i].name, d.cFileName)); i++ );
+
+			if ( i == count )
+				LoadGenPlugin(d.cFileName);
+			else
+				preload[i].found = true;
+		} while ( FindNextFileW(h, &d) );
+
+		FindClose(h);
+	}
+}
+
+void unload_genplugins()
+{
+	size_t x = gen_plugins.size();
+	while ( x-- )
+	{
+		if ( gen_plugins[x] )
+		{
+			wchar_t filename[MAX_PATH] = { 0 };
+
+			if ( !(config_no_visseh & 4) )
+			{
+				try
+				{
+					if ( gen_plugins[x]->quit )
+						gen_plugins[x]->quit();
+				}
+				catch ( ... )
+				{
+				}
+			}
+			else
+			{
+				if ( gen_plugins[x]->quit )
+					gen_plugins[x]->quit();
+			}
+
+			gen_plugins[x] = 0;
+		}
+	}
+	try
+	{
+		gen_plugins.clear();
+	}
+	catch ( ... )
+	{
+	}
+
+}