Rewritten from scratch to match the "screenblanker" style of R5.

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@7033 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/add-ons/input_server/filters/screensaver/Jamfile

@@ -2,4 +2,4 @@ SubDir OBOS_TOP src add-ons input_server filters screensaver ;
 
 Addon screen_saver : input_server/filters : SSInputFilter.cpp ;
 
-LinkSharedOSLibs screen_saver : be /system/servers/input_server ;
+LinkSharedOSLibs screen_saver : be ../../../../../distro/x86.R1/beos/system/lib/libscreensaver.so _APP_ ;

src/add-ons/input_server/filters/screensaver/SSInputFilter.cpp

@@ -1,60 +1,57 @@
-#include "SSInputFilter.h"
 #include "OS.h"
 #include "Roster.h"
+#include "Application.h"
+#include "SSInputFilter.h"
 
 extern "C" _EXPORT BInputServerFilter* instantiate_input_filter();
 
-// TODO:
-// Read SS preferences for timing, corner info
-// If corners get confused (l/r), check size of enums
+SSISFilter *fltr=NULL;
 
-SSISFilter *fltr;
-
-BInputServerFilter* instantiate_input_filter() 
-{ 
+BInputServerFilter* instantiate_input_filter() {  // required C func to build the IS Filter
 	return (fltr=new SSISFilter()); 
 }
 
-filter_result timeUpFunc (BMessage *message,BHandler **target, BMessageFilter *messageFilter) {
-	fltr->CheckTime();
-	return B_SKIP_MESSAGE;
+int32 threadFunc (void *data) {
+	while (1) {
+		snooze(fltr->getSnoozeTime()*1000000); // snoozeTime is in microseconds
+		fltr->CheckTime();
+	}
+	return B_OK; // Should never get here...
 }
 
 SSISFilter::SSISFilter() : enabled(false) {
-	messenger=new BMessenger(NULL,-1); // Get the current teams default handler
-	timeMsg=new BMessage(timeUp);
-	runner=new BMessageRunner(*messenger, timeMsg, 3000000,-1);  // CHANGE ME!!!
-	filter=new BMessageFilter(timeUp,timeUpFunc);	
+	pref.LoadSettings();	
+	blank=pref.GetBlankCorner();
+	keep=pref.GetNeverBlankCorner();
+	blankTime=snoozeTime=pref.BlankTime();
+	watcher=spawn_thread(threadFunc,"ScreenSaverWatcher",0,NULL);	
+	resume_thread(watcher);
 }
 
 void SSISFilter::Invoke(void) {
-	status_t err;
 	if (current==keep)
 		return; // If mouse is in this corner, never invoke.
 	be_roster->Launch("application/x-vnd.OBOS-ScreenSaverApp");
-	ssApp=new BMessenger("application/x-vnd.OBOS-ScreenSaverApp",-1,&err);
 	enabled=true;
 }
 
 void SSISFilter::Banish(void) {
-	ssApp->SendMessage('QUIT');
-	delete ssApp;
-	enabled=true;
+	BMessenger ssApp ("application/x-vnd.OBOS-ScreenSaverApp",-1,NULL); // Don't care if it fails
+	ssApp.SendMessage('MOO1');
+	enabled=false;
 }
 
 void SSISFilter::CheckTime(void) {
-	uint32 rtc;
-	if ((rtc=real_time_clock())>=first+blankTime) 
+	if ((rtc=real_time_clock())>=lastEventTime+blankTime) 
 		Invoke();
-	else
-		runner->SetInterval(first+blankTime-rtc); // Check back at the time when, if nothing is pressed/moved between now and then, we should blank...	
+	snoozeTime=(enabled)?blankTime:lastEventTime+blankTime-rtc;
 }
 
+
 void SSISFilter::UpdateRectangles(void) {
 	BRegion region;
-	BRect frame;
 	GetScreenRegion(&region);
-	frame=region.Frame();
+	BRect frame=region.Frame();
 
 	topLeft.Set(frame.left,frame.top,frame.left+CORNER_SIZE,frame.top+CORNER_SIZE);
 	topRight.Set(frame.right-CORNER_SIZE,frame.top,frame.right,frame.top+CORNER_SIZE);
@@ -62,33 +59,34 @@ void SSISFilter::UpdateRectangles(void) {
 	bottomRight.Set(frame.right-CORNER_SIZE,frame.bottom-CORNER_SIZE,frame.right,frame.bottom);
 }
 
-void SSISFilter::Cornered(cornerPos pos) {
+void SSISFilter::Cornered(arrowDirection pos) {
 	current=pos;
 	if (pos==blank)
 		Invoke();
 }
 
 filter_result SSISFilter::Filter(BMessage *msg,BList *outList) {
+	lastEventTime=real_time_clock();
 	if (msg->what==B_SCREEN_CHANGED)
 		UpdateRectangles();
-	else if (enabled && msg->what==B_MOUSE_MOVED) {
+	else if (enabled)
+			Banish();
+	else if (msg->what==B_MOUSE_MOVED) {
 		BPoint pos;
 		msg->FindPoint("where",&pos);
 		if (topLeft.Contains(pos)) 
-			Cornered(TOPL);
+			Cornered(UPLEFT);
 		else if (topRight.Contains(pos)) 
-			Cornered(TOPR);
+			Cornered(UPRIGHT);
 		else if (bottomLeft.Contains(pos)) 
-			Cornered(BOTL);
+			Cornered(DOWNLEFT);
 		else if (bottomRight.Contains(pos)) 
-			Cornered(BOTR);
+			Cornered(DOWNRIGHT);
 		else
-			Cornered(MIDDLE);
+			Cornered(NONE);
 		}
-	first=real_time_clock();
 }
 
-SSISFilter::~SSISFilter()
-{
+SSISFilter::~SSISFilter() {
 	;
 }

src/add-ons/input_server/filters/screensaver/SSInputFilter.h

@@ -4,10 +4,13 @@
 #include "Messenger.h"
 #include "MessageFilter.h"
 #include "MessageRunner.h"
+#include "ScreenSaverPrefs.h"
 
 const int CORNER_SIZE=10;
 const int timeUp='TMUP';
 
+int32 threadFunc(void *);
+
 class SSISFilter: public BInputServerFilter
 {
 public:
@@ -15,20 +18,17 @@ public:
 	virtual ~SSISFilter();
 	virtual filter_result Filter(BMessage *msg, BList *outList);
 	void CheckTime(void);
-	enum cornerPos {MIDDLE='ENDC',TOPL='TOPL',TOPR='TOPR',BOTL='BOTL',BOTR='BOTR'};
+	uint32 getSnoozeTime(void) {return snoozeTime;}
 private:
-	cornerPos blank, keep, current; 
-	uint32 first,blankTime;
+	uint32 lastEventTime,blankTime,snoozeTime,rtc;
+	arrowDirection blank, keep, current; 
 	bool enabled;
-	BMessenger *ssApp;
 	BRect topLeft,topRight,bottomLeft,bottomRight;
-	BMessageRunner *runner;
-	BMessageFilter *filter;
-	BMessenger *messenger;
-	BMessage *timeMsg;
+	ScreenSaverPrefs pref;
+	thread_id watcher;
 
 	void UpdateRectangles(void);
-	void Cornered(cornerPos pos);
+	void Cornered(arrowDirection pos);
 	void Invoke(void);
 	void Banish(void);
 };