diff options
Diffstat (limited to 'pidgin/win32/IdleTracker/idletrack.c')
| -rw-r--r-- | pidgin/win32/IdleTracker/idletrack.c | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/pidgin/win32/IdleTracker/idletrack.c b/pidgin/win32/IdleTracker/idletrack.c deleted file mode 100644 index a273963bcf..0000000000 --- a/pidgin/win32/IdleTracker/idletrack.c +++ /dev/null @@ -1,188 +0,0 @@ -/* - * idletrack.c - * - * Authors: mrgentry @ http://www.experts-exchange.com - * Herman Bloggs <hermanator12002@yahoo.com> - * Date: February, 2003 - * Description: Track user inactivity. - * - * Andrew Whewell <awhewell@users.sourceforge.net> - 25th June 2004. Added - * support for GetLastInputInfo under Windows 2000 and above. This avoids having - * IDLETRACK.DLL hook itself into every process on the machine, which makes - * upgrades easier. The hook mechanism is also used by key loggers, so not - * using hooks doesn't put the willys up programs that keep an eye out for - * loggers. - * - * Windows 9x doesn't have GetLastInputInfo - when Purple runs on these machines - * the code silently falls back onto the old hooking scheme. - */ -#define _WIN32_WINNT 0x0500 -#include "idletrack.h" - -#define EXPORT __declspec(dllexport) - -static HANDLE hMapObject = NULL; -static DWORD *lastTime = NULL; -static HHOOK keyHook = NULL; -static HHOOK mouseHook = NULL; -static HINSTANCE g_hInstance = NULL; -static POINT g_point; - -/* GetLastInputInfo address and module - if g_GetLastInputInfo == NULL then - * we fall back on the old "hook the world" method. GetLastInputInfo was brought - * in with Windows 2000 so Windows 9x will still hook everything. - */ -typedef BOOL (WINAPI *GETLASTINPUTINFO)(LASTINPUTINFO *); -static HMODULE g_user32 = NULL; -static GETLASTINPUTINFO g_GetLastInputInfo = NULL; - -static DWORD* setup_shared_mem() { - BOOL fInit; - - /* Set up the shared memory. */ - hMapObject = CreateFileMapping((HANDLE) 0xFFFFFFFF, /* use paging file */ - NULL, /* no security attributes */ - PAGE_READWRITE, /* read/write access */ - 0, /* size: high 32-bits */ - sizeof(DWORD), /* size: low 32-bits */ - "timermem"); /* name of map object */ - - if(hMapObject == NULL) - return NULL; - - /* The first process to attach initializes memory. */ - fInit = (GetLastError() != ERROR_ALREADY_EXISTS); - - /* Get a pointer to the file-mapped shared memory. */ - lastTime = (DWORD*) MapViewOfFile(hMapObject, /* object to map view of */ - FILE_MAP_WRITE, /* read/write access */ - 0, /* high offset: map from */ - 0, /* low offset: beginning */ - 0); /* default: map entire file */ - - if(lastTime == NULL) - return NULL; - - *lastTime = GetTickCount(); - - return lastTime; -} - - -static LRESULT CALLBACK KeyboardProc(int code, WPARAM wParam, LPARAM lParam) { - if(!(code < 0)) { - if(lastTime == NULL) - lastTime = setup_shared_mem(); - - if(lastTime) - *lastTime = GetTickCount(); - } - return CallNextHookEx(keyHook, code, wParam, lParam); -} - - -static LRESULT CALLBACK MouseProc(int code, WPARAM wParam, LPARAM lParam) { - /* We need to verify that the Mouse pointer has actually moved. */ - if(!(code < 0) && - !((g_point.x == ((MOUSEHOOKSTRUCT*) lParam)->pt.x) && - (g_point.y == ((MOUSEHOOKSTRUCT*) lParam)->pt.y))) { - g_point.x = ((MOUSEHOOKSTRUCT*) lParam)->pt.x; - g_point.y = ((MOUSEHOOKSTRUCT*) lParam)->pt.y; - - if(lastTime == NULL) - lastTime = setup_shared_mem(); - - if(lastTime) - *lastTime = GetTickCount(); - } - return CallNextHookEx(mouseHook, code, wParam, lParam); -} - - -EXPORT DWORD winpidgin_get_lastactive() { - DWORD result = 0; - - /* If we have GetLastInputInfo then use it, otherwise use the hooks*/ - if(g_GetLastInputInfo != NULL) { - LASTINPUTINFO lii; - memset(&lii, 0, sizeof(lii)); - lii.cbSize = sizeof(lii); - if(g_GetLastInputInfo(&lii)) { - result = lii.dwTime; - } - } else { - if(lastTime == NULL) - lastTime = setup_shared_mem(); - - if(lastTime) - result = *lastTime; - } - - return result; -} - - -EXPORT BOOL winpidgin_set_idlehooks() { - /* Is GetLastInputInfo available?*/ - g_user32 = LoadLibrary("user32.dll"); - if(g_user32) { - g_GetLastInputInfo = (GETLASTINPUTINFO) GetProcAddress(g_user32, "GetLastInputInfo"); - } - - /* If we couldn't find GetLastInputInfo then fall back onto the hooking scheme*/ - if(g_GetLastInputInfo == NULL) { - /* Set up the shared memory.*/ - lastTime = setup_shared_mem(); - if(lastTime == NULL) - return FALSE; - *lastTime = GetTickCount(); - - /* Set up the keyboard hook.*/ - keyHook = SetWindowsHookEx(WH_KEYBOARD, KeyboardProc, g_hInstance, 0); - if(keyHook == NULL) { - UnmapViewOfFile(lastTime); - CloseHandle(hMapObject); - return FALSE; - } - - /* Set up the mouse hook.*/ - mouseHook = SetWindowsHookEx(WH_MOUSE, MouseProc, g_hInstance, 0); - if(mouseHook == NULL) { - UnhookWindowsHookEx(keyHook); - UnmapViewOfFile(lastTime); - CloseHandle(hMapObject); - return FALSE; - } - } - - return TRUE; -} - - -EXPORT void winpidgin_remove_idlehooks() { - if(g_user32 != NULL) - FreeLibrary(g_user32); - if(keyHook) - UnhookWindowsHookEx(keyHook); - if(mouseHook) - UnhookWindowsHookEx(mouseHook); - if(lastTime) - UnmapViewOfFile(lastTime); - if(hMapObject) - CloseHandle(hMapObject); -} - -/* suppress gcc "no previous prototype" warning */ -BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID lpReserved); -BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID lpReserved) { - switch(dwReason) { - case DLL_PROCESS_ATTACH: - g_hInstance = hInstance; - g_point.x = 0; - g_point.y = 0; - break; - case DLL_PROCESS_DETACH: - break; - } - return TRUE; -} |