Initial community commit

Src/Plugins/Library/ml_pmp/pluginloader.cpp

@@ -0,0 +1,187 @@
+#include "pluginloader.h"
+#include "../winamp/wa_ipc.h"
+#include "nu/AutoWide.h"
+#include <shlwapi.h>
+#include "../nu/MediaLibraryInterface.h"
+
+extern winampMediaLibraryPlugin plugin;
+
+C_ItemList m_plugins;
+
+extern HWND mainMessageWindow;
+
+int wmDeviceChange(WPARAM wParam, LPARAM lParam) {
+	int ret=0;
+	for(int i=0; i < m_plugins.GetSize(); i++) {
+		PMPDevicePlugin * plugin = (PMPDevicePlugin *)m_plugins.Get(i);
+    /*
+		if(plugin->wmDeviceChange)
+		{
+			if(plugin->wmDeviceChange(wParam, lParam) == BROADCAST_QUERY_DENY)
+				ret = BROADCAST_QUERY_DENY;
+		}
+    */
+		if(plugin->MessageProc)
+		{
+			if(plugin->MessageProc(PMP_DEVICECHANGE,wParam,lParam,0) == BROADCAST_QUERY_DENY)
+				ret = BROADCAST_QUERY_DENY;
+		}
+	}
+	return ret;
+}
+
+PMPDevicePlugin * loadPlugin(wchar_t * file)
+{
+	HINSTANCE m=LoadLibrary(file);
+	if(m)
+	{
+		PMPDevicePlugin *(*gp)();
+		gp=(PMPDevicePlugin *(__cdecl *)(void))GetProcAddress(m,"winampGetPMPDevicePlugin");
+		if(!gp)
+		{
+			FreeLibrary(m);
+			return NULL;
+		}
+
+		PMPDevicePlugin *devplugin=gp();
+		if(!devplugin || devplugin->version != PMPHDR_VER)
+		{
+			FreeLibrary(m);
+			return NULL;
+		}
+
+		devplugin->hDllInstance=m;
+		devplugin->hwndLibraryParent=plugin.hwndLibraryParent;
+		devplugin->hwndWinampParent=plugin.hwndWinampParent;
+		devplugin->hwndPortablesParent=mainMessageWindow;
+		devplugin->service = plugin.service;
+
+		if(devplugin->init())
+		{
+			FreeLibrary(m);
+		}
+		else
+		{
+			m_plugins.Add((void *)devplugin);
+			return devplugin;
+		}
+	}
+	return NULL;
+}
+
+BOOL loadDevPlugins(int *count)
+{
+	BOOL loaded = FALSE;
+	wchar_t tofind[MAX_PATH] = {0};
+	LPCWSTR dir = (LPCWSTR)SendMessage(plugin.hwndWinampParent,WM_WA_IPC,0,IPC_GETPLUGINDIRECTORYW);
+	PathCombine(tofind, dir, L"pmp_*.dll"); 
+
+	WIN32_FIND_DATA d = {0};
+	HANDLE h = FindFirstFile(tofind,&d);
+	if (h != INVALID_HANDLE_VALUE)
+	{
+		do
+		{
+			wchar_t file[MAX_PATH] = {0};
+			PathCombine(file, dir, d.cFileName);
+			loaded += (!!loadPlugin(file));
+		}
+		while(FindNextFile(h,&d));
+		FindClose(h);
+	}
+
+	if (count) *count = m_plugins.GetSize();
+	return loaded;
+}
+
+BOOL testForDevPlugins()
+{
+	BOOL found = FALSE;
+	wchar_t tofind[MAX_PATH] = {0};
+	LPCWSTR dir = (LPCWSTR)SendMessage(plugin.hwndWinampParent,WM_WA_IPC,0,IPC_GETPLUGINDIRECTORYW);
+	PathCombine(tofind, dir, L"pmp_*.dll"); 
+
+	WIN32_FIND_DATA d = {0};
+	HANDLE h = FindFirstFile(tofind,&d);
+	if (h != INVALID_HANDLE_VALUE)
+	{
+		found = TRUE;
+		FindClose(h);
+	}
+	return found;
+}
+
+extern int profile;
+static HANDLE hProfile = INVALID_HANDLE_VALUE;
+HANDLE GetProfileFileHandle()
+{
+	if (profile)
+	{
+		if (hProfile == INVALID_HANDLE_VALUE)
+		{
+			wchar_t profileFile[MAX_PATH] = {0};
+			PathCombineW(profileFile, mediaLibrary.GetIniDirectoryW(), L"profile.txt");
+			hProfile = CreateFileW(profileFile, GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
+			if (hProfile != INVALID_HANDLE_VALUE)
+			{
+				// just to make sure we don't over-write things
+				SetFilePointer(hProfile, NULL, NULL, FILE_END);
+			}
+		}
+		return hProfile;
+	}
+	return INVALID_HANDLE_VALUE;
+}
+
+void unloadPlugin(PMPDevicePlugin *devplugin, int n=-1)
+{
+	if(n == -1) for(int i=0; i<m_plugins.GetSize(); i++) if(m_plugins.Get(i) == (void*)devplugin) n=i;
+	devplugin->quit();
+	//if (devplugin->hDllInstance) FreeLibrary(devplugin->hDllInstance);
+	m_plugins.Del(n);
+}
+
+void unloadDevPlugins()
+{
+	int i=m_plugins.GetSize();
+	HANDLE hProfile = GetProfileFileHandle();
+	LARGE_INTEGER freq;
+	QueryPerformanceFrequency(&freq);
+
+	if (hProfile != INVALID_HANDLE_VALUE)
+	{
+		DWORD written = 0;
+		WriteFile(hProfile, L"\r\n", 2, &written, NULL);
+	}
+
+	while (i-->0)  // reverse order to aid in not fucking up subclassing shit
+	{
+	    PMPDevicePlugin *devplugin=(PMPDevicePlugin *)m_plugins.Get(i);
+		wchar_t profile[MAX_PATH*2] = {0}, filename[MAX_PATH] = {0};
+		LARGE_INTEGER starttime, endtime;
+		if (hProfile != INVALID_HANDLE_VALUE)
+		{
+			GetModuleFileNameW(devplugin->hDllInstance, filename, MAX_PATH);
+			QueryPerformanceCounter(&starttime);
+		}
+
+		unloadPlugin(devplugin,i);
+
+		if (hProfile != INVALID_HANDLE_VALUE)
+		{
+			QueryPerformanceCounter(&endtime);
+
+			DWORD written = 0;
+			unsigned int ms = (UINT)((endtime.QuadPart - starttime.QuadPart) * 1000 / freq.QuadPart);
+			int len = swprintf(profile, L"Portable\t%s\t[%s]\t%dms\r\n", filename, devplugin->description, ms);
+			WriteFile(hProfile, profile, len*sizeof(wchar_t), &written, NULL);
+		}
+	}
+
+	if (hProfile != INVALID_HANDLE_VALUE)
+	{
+		DWORD written = 0;
+		WriteFile(hProfile, L"\r\n", 2, &written, NULL);
+		CloseHandle(hProfile);
+	}
+}