boinc/client/ss_logic.C

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// The contents of this file are subject to the BOINC Public License
// Version 1.0 (the "License"); you may not use this file except in
// compliance with the License. You may obtain a copy of the License at
// http://boinc.berkeley.edu/license_1.0.txt
//
// Software distributed under the License is distributed on an "AS IS"
// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
// License for the specific language governing rights and limitations
// under the License.
//
// The Original Code is the Berkeley Open Infrastructure for Network Computing.
//
// The Initial Developer of the Original Code is the SETI@home project.
// Portions created by the SETI@home project are Copyright (C) 2002
// University of California at Berkeley. All Rights Reserved.
//
// Contributor(s):
//
#ifdef _WIN32
#include "stdafx.h"
#endif
#include "client_state.h"
#include "ss_logic.h"
extern void create_curtain();
extern void delete_curtain();
SS_LOGIC::SS_LOGIC() {
do_ss = false;
do_boinc_logo_ss = false;
do_blank = false;
blank_time = 0;
ack_deadline = 0;
}
// this is called when the core client receives a message
// from the screensaver module.
//
void SS_LOGIC::start_ss(time_t new_blank_time) {
ACTIVE_TASK* atp;
if (do_ss) return;
do_ss = true;
do_blank = do_boinc_logo_ss = false;
strcpy(ss_msg, "");
blank_time = new_blank_time;
gstate.active_tasks.save_app_modes();
gstate.active_tasks.hide_apps();
create_curtain();
if (!gstate.activities_suspended) {
atp = gstate.active_tasks.get_graphics_capable_app();
if (atp) {
atp->request_graphics_mode(MODE_FULLSCREEN);
ack_deadline = time(0) + 5;
} else {
do_boinc_logo_ss = true;
}
}
}
void SS_LOGIC::stop_ss() {
if (!do_ss) return;
do_ss = do_boinc_logo_ss = do_blank = false;
delete_curtain();
gstate.active_tasks.restore_apps();
}
// called every second
//
void SS_LOGIC::poll() {
ACTIVE_TASK* atp;
if (!gstate.activities_suspended) {
gstate.active_tasks.check_graphics_mode_ack();
if (do_ss) {
if (blank_time && (time(0) > blank_time)) {
if (!do_blank) {
atp = gstate.active_tasks.get_app_requested(MODE_FULLSCREEN);
if (atp) {
atp->request_graphics_mode(MODE_HIDE_GRAPHICS);
}
do_blank = true;
}
do_boinc_logo_ss = false;
strcpy(ss_msg, "");
} else {
atp = gstate.active_tasks.get_app_requested(MODE_FULLSCREEN);
if (atp) {
if (atp->graphics_acked_mode == MODE_FULLSCREEN) {
do_boinc_logo_ss = false;
strcpy(ss_msg, "");
} else {
if (time(0)>ack_deadline) {
do_boinc_logo_ss = true;
strcpy(ss_msg, "App can't display graphics");
}
}
} else {
atp = gstate.active_tasks.get_graphics_capable_app();
if (atp) {
atp->request_graphics_mode(MODE_FULLSCREEN);
ack_deadline = time(0) + 5;
} else {
do_boinc_logo_ss = true;
strcpy(ss_msg, "No work available");
}
}
}
}
}
else
{
do_boinc_logo_ss = true;
strcpy(ss_msg, "App can't display graphics, BOINC Suspended");
}
}