[mf] 14182: cleanup of latest RegisterShellHookWindow() changes

cleanup of latest RegisterShellHookWindow() changes
Modified: trunk/reactos/subsys/system/explorer/taskbar/taskbar.cpp
Modified: trunk/reactos/subsys/system/explorer/taskbar/taskbar.h
  _____  

Modified: trunk/reactos/subsys/system/explorer/taskbar/taskbar.cpp
--- trunk/reactos/subsys/system/explorer/taskbar/taskbar.cpp
2005-03-18 19:36:36 UTC (rev 14181)
+++ trunk/reactos/subsys/system/explorer/taskbar/taskbar.cpp
2005-03-18 20:34:01 UTC (rev 14182)
@@ -53,29 +53,20 @@

 
 
 TaskBar::TaskBar(HWND hwnd)
- :	super(hwnd)
+ :	super(hwnd),
+	WM_SHELLHOOK(RegisterWindowMessage(TEXT("SHELLHOOK")))
 {
-	HMODULE Module;
 	_last_btn_width = 0;
-
-	Module = LoadLibraryA("User32.dll");
-	if (Module && GetProcAddress(Module, "RegisterShellHookWindow"))
{
-		_HasShellHook = TRUE;
-	} else {
-		_HasShellHook = FALSE;
-		if (Module)
-			FreeLibrary(Module);
-	}
-	LOG (_HasShellHook ? L"Has shell hooks.\n" : L"Does not have
shell hooks.\n");
-
 }
 
 TaskBar::~TaskBar()
 {
-	if (!_HasShellHook)
-		KillTimer(_hwnd, 0);
+	DynamicFct<BOOL (WINAPI*)(HWND hwnd)>
DeregisterShellHookWindow(TEXT("user32"),
"DeregisterShellHookWindow");
 
-	//DeinstallShellHook();
+	if (DeregisterShellHookWindow)
+		(*DeregisterShellHookWindow)(_hwnd);
+	else
+		KillTimer(_hwnd, 0);
 }
 
 HWND TaskBar::Create(HWND hwndParent)
@@ -108,26 +99,23 @@
 
 	_next_id = IDC_FIRST_APP;
 
-	//InstallShellHook(_hwnd, PM_SHELLHOOK_NOTIFY);
+	DynamicFct<BOOL (WINAPI*)(HWND hwnd)>
RegisterShellHookWindow(TEXT("user32"), "RegisterShellHookWindow");
 
-	Refresh();
-
-	if (_HasShellHook)
-		RegisterShellHookWindow(_hwnd);
-	else
+	if (RegisterShellHookWindow) {
+		LOG(TEXT("Using shell hooks for notification of shell
events."));
+		(*RegisterShellHookWindow)(_hwnd);
+	} else {
+		LOG(TEXT("Shell hooks not available."));
 		SetTimer(_hwnd, 0, 200, NULL);
+	}
 
+	Refresh();
+
 	return 0;
 }
 
 LRESULT TaskBar::WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam)
 {
-	static UINT ShellHookNmsg = 0;
-
-	if (!ShellHookNmsg) {
-		ShellHookNmsg =
RegisterWindowMessage(TEXT("SHELLHOOK"));
-		LOG (FmtString(TEXT("Nmsg == %#x"), ShellHookNmsg));
-	}
 	switch(nmsg) {
 	  case WM_SIZE:
 		SendMessage(_htoolbar, WM_SIZE, 0, 0);
@@ -167,9 +155,10 @@
 		return (LRESULT)(HWND)_last_foreground_wnd;
 
 	  default: def:
-		if (nmsg == RegisterWindowMessage(TEXT("SHELLHOOK"))) {
+		if (nmsg == WM_SHELLHOOK) {
 			LOG(FmtString(TEXT("SHELLHOOK %x"), wparam));
-			switch (wparam) {
+
+			switch(wparam) {
 			  case HSHELL_WINDOWCREATED:
 			  case HSHELL_WINDOWDESTROYED:
 			  case HSHELL_WINDOWACTIVATED:
  _____  

Modified: trunk/reactos/subsys/system/explorer/taskbar/taskbar.h
--- trunk/reactos/subsys/system/explorer/taskbar/taskbar.h
2005-03-18 19:36:36 UTC (rev 14181)
+++ trunk/reactos/subsys/system/explorer/taskbar/taskbar.h
2005-03-18 20:34:01 UTC (rev 14182)
@@ -84,9 +84,10 @@

 	TaskBarMap	_map;
 	int			_next_id;
 	WindowHandle _last_foreground_wnd;
-	int		_last_btn_width;
-	BOOL		_HasShellHook;
+	int			_last_btn_width;
 
+	const UINT WM_SHELLHOOK;
+
 	LRESULT	Init(LPCREATESTRUCT pcs);
 	LRESULT	WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam);
 	int		Command(int id, int code);