boinc/client/ss_logic.C

139 lines
3.6 KiB
C

// Berkeley Open Infrastructure for Network Computing
// http://boinc.berkeley.edu
// Copyright (C) 2005 University of California
//
// This is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation;
// either version 2.1 of the License, or (at your option) any later version.
//
// This software 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 Lesser General Public License for more details.
//
// To view the GNU Lesser General Public License visit
// http://www.gnu.org/copyleft/lesser.html
// or write to the Free Software Foundation, Inc.,
// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#ifdef _WIN32
#include "boinc_win.h"
#endif
#include "client_state.h"
#include "client_msgs.h"
#include "ss_logic.h"
SS_LOGIC::SS_LOGIC() {
do_ss = false;
blank_time = 0;
ack_deadline = 0;
ss_status = 0;
}
// this is called when the core client receives a message
// from the screensaver module.
//
void SS_LOGIC::start_ss(GRAPHICS_MSG& m, double new_blank_time) {
ACTIVE_TASK* atp;
if (do_ss) return;
do_ss = true;
ss_status = SS_STATUS_ENABLED;
blank_time = new_blank_time;
gstate.active_tasks.save_app_modes();
gstate.active_tasks.hide_apps();
m.mode = MODE_FULLSCREEN;
if (!gstate.activities_suspended) {
atp = gstate.get_next_graphics_capable_app();
if (atp) {
atp->request_graphics_mode(m);
atp->is_ss_app = true;
ack_deadline = time(0) + 5;
}
}
}
void SS_LOGIC::stop_ss() {
if (!do_ss) return;
reset();
do_ss = false;
ss_status = SS_STATUS_QUIT;
gstate.active_tasks.restore_apps();
}
// If an app is acting as screensaver, tell it to stop.
//
void SS_LOGIC::reset() {
GRAPHICS_MSG m;
m.mode = MODE_HIDE_GRAPHICS;
ACTIVE_TASK* atp = gstate.active_tasks.get_ss_app();
if (atp) {
atp->request_graphics_mode(m);
atp->is_ss_app = false;
}
}
// called every second
//
void SS_LOGIC::poll() {
ACTIVE_TASK* atp;
GRAPHICS_MSG m;
#if 0
// if you want to debug screensaver functionality...
static int foo=0;
foo++;
if (foo == 8) start_ss(time(0)+1000);
#endif
if (!do_ss) return;
if (gstate.activities_suspended) {
reset();
ss_status = SS_STATUS_BOINCSUSPENDED;
return;
}
// check if it's time to go to black screen
//
if (blank_time && (time(0) > blank_time)) {
if (SS_STATUS_BLANKED != ss_status) {
reset();
ss_status = SS_STATUS_BLANKED;
}
} else {
atp = gstate.active_tasks.get_ss_app();
if (atp) {
if (atp->graphics_mode_acked != MODE_FULLSCREEN) {
if (time(0)>ack_deadline) {
m.mode = MODE_HIDE_GRAPHICS;
atp->request_graphics_mode(m);
atp->is_ss_app = false;
ss_status = SS_STATUS_NOTGRAPHICSCAPABLE;
}
}
} else {
atp = gstate.get_next_graphics_capable_app();
if (atp) {
do_ss = false;
ss_status = SS_STATUS_RESTARTREQUEST;
} else {
if (gstate.active_tasks.active_tasks.size()==0) {
ss_status = SS_STATUS_NOAPPSEXECUTING;
} else {
ss_status = SS_STATUS_NOGRAPHICSAPPSEXECUTING;
}
}
}
}
}
const char *BOINC_RCSID_dd5060e766 = "$Id$";