AssocMgr files renaming

git-svn-id: http://svn.miranda-ng.org/main/trunk@339 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c

1 files changed, 293 insertions, 0 deletions

diff --git a/plugins/AssocMgr/dde.cpp b/plugins/AssocMgr/dde.cpp
new file mode 100644
index 0000000000..0804be855c
--- /dev/null
+++ b/plugins/AssocMgr/dde.cpp
@@ -0,0 +1,293 @@
+/*

+

+'File Association Manager'-Plugin for Miranda IM

+

+Copyright (C) 2005-2007 H. Herkenrath

+

+This program is free software; you can redistribute it and/or

+modify it under the terms of the GNU General Public License

+as published by the Free Software Foundation; either version 2

+of the License, or (at your option) any later version.

+

+This program is distributed in the hope that it will be useful,

+but WITHOUT ANY WARRANTY; without even the implied warranty of

+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

+GNU General Public License for more details.

+

+You should have received a copy of the GNU General Public License

+along with this program (AssocMgr-License.txt); if not, write to the Free Software

+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

+*/

+

+#include "common.h"

+

+/* Conversation */

+extern HINSTANCE hInst;

+static HWND hwndDdeMsg;

+/* Misc */

+static HANDLE hHookModulesLoaded,hHookPreShutdown;

+

+/************************* Open Handler ***************************/

+

+// pszFilePath needs to be allocated using mir_alloc()

+static void __stdcall FileActionAsync(TCHAR *pszFilePath)

+{

+	/* invoke main handler */

+	switch(InvokeFileHandler(pszFilePath)) { /* pszFilePath is always a long path name */

+		case 0: /* success */ break;

+		case CALLSERVICE_NOTFOUND:

+			ShowInfoMessage(NIIF_ERROR,Translate("Miranda IM could not open file"),Translate("Miranda IM was not able to open \""TCHAR_STR_PARAM"\".\n\nThere is no registered handler for this file type."),pszFilePath);

+			break;

+		default:

+			ShowInfoMessage(NIIF_ERROR,Translate("Miranda IM could not open file"),Translate("Miranda IM was not able to open \""TCHAR_STR_PARAM"\".\n\nThe file could not be processed."),pszFilePath);

+	}

+	mir_free(pszFilePath); /* async param */

+}

+

+// pszUrl needs to be allocated using mir_alloc()

+static void __stdcall UrlActionAsync(TCHAR *pszUrl)

+{

+	/* invoke main handler */

+	switch(InvokeUrlHandler(pszUrl)) {

+		case 0: /* success */ break;

+		case CALLSERVICE_NOTFOUND:

+			ShowInfoMessage(NIIF_ERROR,Translate("Miranda IM could not open URL"),Translate("Miranda IM was not able to open \""TCHAR_STR_PARAM"\".\n\nThere is no registered handler for this URL type."),pszUrl);

+			break;

+		default:

+			ShowInfoMessage(NIIF_ERROR,Translate("Miranda IM could not open URL"),Translate("Miranda IM was not able to open \""TCHAR_STR_PARAM"\".\n\nThe given URL is invalid and can not be parsed."),pszUrl);

+	}

+	mir_free(pszUrl); /* async param */

+}

+

+/************************* Conversation ***************************/

+

+#define DDEMESSAGETIMEOUT      30000

+#define WNDCLASS_DDEMSGWINDOW  _T("MirandaDdeMsgWindow")

+

+// returned pointer points into a substring of ppszString

+// returns an empty string if the string does not have enough arguments

+static TCHAR* GetExecuteParam(TCHAR **ppszString)

+{

+	TCHAR *pszParam,*p;

+	BOOL fQuoted;

+	

+	fQuoted=(**ppszString==_T('"'));

+	pszParam=*ppszString;

+	if(fQuoted) pszParam++;

+	p=_tcschr(pszParam,(TCHAR)(fQuoted?_T('"'):_T(',')));

+	if(p!=NULL) {

+		*(p++)=0;

+		if(fQuoted && *p==_T(',')) p++;

+	} else p=&pszParam[lstrlen(pszParam)];

+	*ppszString=p;

+	return pszParam;

+}

+

+static LRESULT CALLBACK DdeMessageWindow(HWND hwnd,UINT msg,WPARAM wParam,LPARAM lParam)

+{

+	switch(msg) {

+		case WM_DDE_INITIATE:

+		{	ATOM hSzApp,hSzTopic;

+			hSzApp=LOWORD(lParam); /* no UnpackDDElParam() here */

+			hSzTopic=HIWORD(lParam);

+			if ((hSzApp==GlobalFindAtom(DDEAPP) && hSzTopic==GlobalFindAtom(DDETOPIC)) || !hSzApp) {

+				hSzApp=GlobalAddAtom(DDEAPP);

+				hSzTopic=GlobalAddAtom(DDETOPIC);

+				if(hSzApp && hSzTopic) 

+					/* PackDDElParam() only for posted msgs */

+					SendMessage((HWND)wParam,WM_DDE_ACK,(WPARAM)hwnd,MAKELPARAM(hSzApp,hSzTopic));

+				if(hSzApp) GlobalDeleteAtom(hSzApp); 

+				if(hSzTopic) GlobalDeleteAtom(hSzTopic);

+			}

+			return 0;

+		}

+		case WM_DDE_EXECUTE: /* posted message */

+		{	HGLOBAL hCommand;

+			TCHAR *pszCommand;

+			DDEACK ack;

+			ZeroMemory(&ack,sizeof(ack));

+			if(UnpackDDElParam(msg,lParam,NULL,(PUINT)&hCommand)) {

+				#if defined(_UNICODE)

+				/* ANSI execute command can't happen for shell */

+				if(IsWindowUnicode((HWND)wParam)) {

+				#endif

+					pszCommand=GlobalLock(hCommand);

+					if(pszCommand!=NULL) {

+						TCHAR *pszAction,*pszArg;

+						pszAction=GetExecuteParam(&pszCommand);

+						pszArg=mir_tstrdup(GetExecuteParam(&pszCommand));

+						if(pszArg!=NULL) {

+							/* we are inside miranda here, we make it async so the shell does

+							 * not timeout regardless what the plugins try to do. */

+							if (!lstrcmpi(pszAction,_T("file")))

+								ack.fAck=(short)(CallFunctionAsync(FileActionAsync,pszArg)!=0);

+							else if (!lstrcmpi(pszAction,_T("url")))

+								ack.fAck=(short)(CallFunctionAsync(UrlActionAsync,pszArg)!=0);

+							if (!ack.fAck) mir_free(pszArg); /* otherwise freed by asyncproc */

+						}

+						GlobalUnlock(hCommand);

+					}

+				#if defined(_UNICODE)

+				}

+				#endif

+				lParam=ReuseDDElParam(lParam,msg,WM_DDE_ACK,*(PUINT)&ack,(UINT)hCommand);

+				if (!PostMessage((HWND)wParam,WM_DDE_ACK,(WPARAM)hwnd,lParam)) {

+					GlobalFree(hCommand);

+					FreeDDElParam(WM_DDE_ACK,lParam);

+				}

+			}

+			return 0;

+		}

+		case WM_DDE_TERMINATE:

+			PostMessage((HWND)wParam,msg,(WPARAM)hwnd,0); /* ack reply */

+			return 0;

+		case WM_DDE_REQUEST:

+		case WM_DDE_ADVISE:

+		case WM_DDE_UNADVISE:

+		case WM_DDE_POKE:

+		/* fail safely for those to avoid memory leak in lParam */

+		{	ATOM hSzItem;

+			DDEACK ack;

+			ZeroMemory(&ack,sizeof(ack));

+			if(UnpackDDElParam(msg,lParam,NULL,(PUINT)&hSzItem)) {

+				lParam=ReuseDDElParam(lParam,msg,WM_DDE_ACK,*(PUINT)&ack,(UINT)hSzItem);

+				if (!PostMessage((HWND)wParam,WM_DDE_ACK,(WPARAM)hwnd,lParam)) {

+					if(hSzItem) GlobalDeleteAtom(hSzItem);

+					FreeDDElParam(WM_DDE_ACK,lParam);

+				}

+			}

+			return 0;

+		}

+	}

+	return DefWindowProc(hwnd,msg,wParam,lParam);

+}

+

+// CloseHandle() the return value

+static HANDLE StartupMainProcess(TCHAR *pszDatabasePath)

+{

+	TCHAR *p,szPath[MAX_PATH];

+	PROCESS_INFORMATION pi;

+	STARTUPINFO si;

+

+	/* we are inside RunDll32 here */

+	if (!GetModuleFileName(hInst,szPath,SIZEOF(szPath))) return NULL;

+	p=_tcsrchr(szPath,_T('\\'));

+	if(p!=NULL) {	*p=0; p=_tcsrchr(szPath,_T('\\')); }

+	if(p==NULL) return NULL;

+	lstrcpy(++p,_T("miranda32.exe"));

+

+	/* inherit startup data from RunDll32 process */

+	GetStartupInfo(&si);

+	if (!CreateProcess(szPath,pszDatabasePath,NULL,NULL,TRUE,GetPriorityClass(GetCurrentProcess()),NULL,NULL,&si,&pi))

+		return NULL;

+	CloseHandle(pi.hThread);

+	return pi.hProcess;

+}

+

+#ifdef __cplusplus

+extern "C" {

+#endif 

+

+// entry point for RunDll32, this is also WaitForDDEW

+__declspec(dllexport) void CALLBACK WaitForDDE(HWND hwnd,HINSTANCE hinstExe,TCHAR *pszCmdLine,int nCmdShow)

+{

+	HANDLE pHandles[2];

+	DWORD dwTick;

+	UNREFERENCED_PARAMETER(hinstExe);

+	UNREFERENCED_PARAMETER(nCmdShow); /* obeys nCmdShow using GetStartupInfo() */

+	UNREFERENCED_PARAMETER(hwnd);

+	

+	/* wait for dde window to be available (avoiding race condition) */

+	pHandles[0]=CreateEvent(NULL,TRUE,FALSE,WNDCLASS_DDEMSGWINDOW);

+	if(pHandles[0]!=NULL) {

+		pHandles[1]=StartupMainProcess(pszCmdLine); /* obeys nCmdShow using GetStartupInfo() */

+		if(pHandles[1]!=NULL) {

+			dwTick=GetTickCount();

+			/* either process terminated or dde window created */

+			if(WaitForMultipleObjects(SIZEOF(pHandles),pHandles,FALSE,DDEMESSAGETIMEOUT)==WAIT_OBJECT_0) {

+				dwTick=GetTickCount()-dwTick;

+				if(dwTick<DDEMESSAGETIMEOUT)

+					WaitForInputIdle(pHandles[1],DDEMESSAGETIMEOUT-dwTick);

+			}

+			CloseHandle(pHandles[1]);

+		}

+		CloseHandle(pHandles[0]);

+	}

+	/* shell called WaitForInputIdle() on us to detect when dde is ready,

+	 * we are ready now: exit helper process */

+}

+

+#ifdef __cplusplus

+}

+#endif

+

+/************************* Misc ***********************************/

+

+static int DdePreShutdown(WPARAM wParam,LPARAM lParam)

+{

+	UNREFERENCED_PARAMETER(wParam);

+	UNREFERENCED_PARAMETER(lParam);

+	/* dde needs to be stopped before any plugins are unloaded */

+	if(hwndDdeMsg!=NULL) DestroyWindow(hwndDdeMsg);

+	UnregisterClass(WNDCLASS_DDEMSGWINDOW,hInst);

+	return 0;

+}

+

+static int DdeModulesLoaded2(WPARAM wParam,LPARAM lParam)

+{

+	WNDCLASS wcl;

+	HANDLE hEvent;

+	UNREFERENCED_PARAMETER(wParam);

+	UNREFERENCED_PARAMETER(lParam);

+

+	/* create message window */

+	wcl.lpfnWndProc=DdeMessageWindow;

+	wcl.cbClsExtra=0;

+	wcl.cbWndExtra=0;

+	wcl.hInstance=hInst;

+	wcl.hCursor=NULL;

+	wcl.lpszClassName=WNDCLASS_DDEMSGWINDOW;

+	wcl.hbrBackground=NULL;

+	wcl.hIcon=NULL;

+	wcl.lpszMenuName=NULL;

+	wcl.style=0;

+	RegisterClass(&wcl);

+	/* Note: use of HWND_MESSAGE does not fit for DDE as the window must be a top-level one */

+	hwndDdeMsg=CreateWindow(WNDCLASS_DDEMSGWINDOW,NULL,0,0,0,0,0,NULL,NULL,hInst,NULL);

+

+	/* make known dde startup code is passed */

+	hEvent=OpenEvent(EVENT_MODIFY_STATE,FALSE,WNDCLASS_DDEMSGWINDOW);

+	if(hEvent!=NULL) {

+		SetEvent(hEvent);

+		CloseHandle(hEvent);

+	}

+

+	CleanupRegTreeBackupSettings();

+	CleanupMimeTypeAddedSettings();

+	CleanupAssocEnabledSettings();

+	return 0;

+}

+

+static int DdeModulesLoaded(WPARAM wParam,LPARAM lParam)

+{

+	UNREFERENCED_PARAMETER(wParam);

+	UNREFERENCED_PARAMETER(lParam);

+	/* dde needs to be loaded after all the other plugins got loaded,

+	 * hook again to get the latest position in chain */

+	UnhookEvent(hHookModulesLoaded);

+	hHookModulesLoaded=HookEvent(ME_SYSTEM_MODULESLOADED,DdeModulesLoaded2);

+	return 0;

+}

+

+void InitDde(void)

+{

+	hHookModulesLoaded=HookEvent(ME_SYSTEM_MODULESLOADED,DdeModulesLoaded);

+	hHookPreShutdown=HookEvent(ME_SYSTEM_PRESHUTDOWN,DdePreShutdown);

+}

+

+void UninitDde(void)

+{

+	UnhookEvent(hHookModulesLoaded);

+	UnhookEvent(hHookPreShutdown);

+}

+