- Use PostMessage instead of a BMessenger to send a message to the window from

the app.

- Use the new "_fake" parameter to detect the initial mouse moved sent by
	app_server instead of a BMessageRunner and delay.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@29493 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/bin/screen_blanker/ScreenBlanker.cpp

@@ -238,7 +238,7 @@ ScreenBlanker::MessageReceived(BMessage* message)
 
 			// Turn on the message filter again
 			BMessage enable(kMsgEnableFilter);
-			BMessenger(fWindow).SendMessage(&enable);
+			fWindow->PostMessage(&enable);
 
 			_QueueTurnOffScreen();
 			break;

src/bin/screen_blanker/ScreenSaverWindow.cpp

@@ -37,6 +37,14 @@ ScreenSaverFilter::Filter(BMessage* message, BHandler** target)
 				// Fall through
 			}
 			case B_MOUSE_MOVED:
+			{
+				// ignore the initial "fake" B_MOUSE_MOVED sent by the app_server
+				bool fake = false;
+				if (message->FindBool("_fake", &fake) == B_OK && fake)
+					return B_DISPATCH_MESSAGE;
+
+				// Fall through
+			}
 			case B_MOUSE_DOWN:
 				fEnabled = false;
 				be_app->PostMessage(B_QUIT_REQUESTED);
@@ -77,21 +85,12 @@ ScreenSaverWindow::ScreenSaverWindow(BRect frame)
 	// Ensure that this view receives keyboard input
 	fTopView->MakeFocus(true);
 	fTopView->SetEventMask(B_KEYBOARD_EVENTS, 0);
-
-	// A delay is necessary (250ms was chosen arbitrarily) before enabling the
-	// message filter because when the window first shows some mouse moved 
-	// messages are sent to it automatically.
-	BMessage enable(kMsgEnableFilter);
-	fEnableRunner = new BMessageRunner(BMessenger(this), &enable, 250000LL, 1);
-	if (fEnableRunner->InitCheck() != B_OK)
-		syslog(LOG_ERR, "Runner to enable screen saver message filtering failed!\n");
 }
 
 
 ScreenSaverWindow::~ScreenSaverWindow()
 {
 	Hide();
-	delete fEnableRunner;
 	delete fFilter;
 }
 

src/bin/screen_blanker/ScreenSaverWindow.h

@@ -10,7 +10,6 @@
 
 #include <DirectWindow.h>
 #include <MessageFilter.h>
-#include <MessageRunner.h>
 
 
 const static uint32 kMsgEnableFilter = 'eflt';
@@ -20,7 +19,7 @@ class ScreenSaverFilter : public BMessageFilter {
 	public:
 		ScreenSaverFilter()
 			: BMessageFilter(B_ANY_DELIVERY, B_ANY_SOURCE),
-			fEnabled(false) {}
+			fEnabled(true) {}
 
 		virtual filter_result Filter(BMessage* message, BHandler** target);
 
@@ -46,7 +45,6 @@ class ScreenSaverWindow : public BDirectWindow {
 		BView *fTopView;
 		BScreenSaver *fSaver;
 		ScreenSaverFilter *fFilter;
-		BMessageRunner *fEnableRunner;
 };
 
 #endif	// SCREEN_SAVER_WINDOW_H