mirror of https://github.com/BOINC/boinc.git
139 lines
3.6 KiB
C
139 lines
3.6 KiB
C
// The contents of this file are subject to the BOINC Public License
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// Version 1.0 (the "License"); you may not use this file except in
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// compliance with the License. You may obtain a copy of the License at
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// http://boinc.berkeley.edu/license_1.0.txt
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//
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// Software distributed under the License is distributed on an "AS IS"
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// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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// License for the specific language governing rights and limitations
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// under the License.
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//
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// The Original Code is the Berkeley Open Infrastructure for Network Computing.
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//
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// The Initial Developer of the Original Code is the SETI@home project.
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// Portions created by the SETI@home project are Copyright (C) 2002
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// University of California at Berkeley. All Rights Reserved.
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//
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// Contributor(s):
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//
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#ifdef _WIN32
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#include "boinc_win.h"
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#endif
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#include "client_state.h"
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#include "client_msgs.h"
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#include "ss_logic.h"
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SS_LOGIC::SS_LOGIC() {
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do_ss = false;
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blank_time = 0;
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ack_deadline = 0;
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ss_status = 0;
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}
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// this is called when the core client receives a message
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// from the screensaver module.
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//
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void SS_LOGIC::start_ss(GRAPHICS_MSG& m, double new_blank_time) {
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ACTIVE_TASK* atp;
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if (do_ss) return;
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do_ss = true;
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ss_status = SS_STATUS_ENABLED;
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blank_time = new_blank_time;
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gstate.active_tasks.save_app_modes();
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gstate.active_tasks.hide_apps();
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m.mode = MODE_FULLSCREEN;
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if (!gstate.activities_suspended) {
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atp = gstate.get_next_graphics_capable_app();
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if (atp) {
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atp->request_graphics_mode(m);
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atp->is_ss_app = true;
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ack_deadline = time(0) + 5;
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}
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}
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}
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void SS_LOGIC::stop_ss() {
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if (!do_ss) return;
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reset();
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do_ss = false;
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ss_status = SS_STATUS_QUIT;
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gstate.active_tasks.restore_apps();
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}
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// If an app is acting as screensaver, tell it to stop.
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//
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void SS_LOGIC::reset() {
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GRAPHICS_MSG m;
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m.mode = MODE_HIDE_GRAPHICS;
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ACTIVE_TASK* atp = gstate.active_tasks.get_ss_app();
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if (atp) {
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atp->request_graphics_mode(m);
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atp->is_ss_app = false;
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}
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}
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// called every second
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//
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void SS_LOGIC::poll() {
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ACTIVE_TASK* atp;
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GRAPHICS_MSG m;
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#if 0
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// if you want to debug screensaver functionality...
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static int foo=0;
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foo++;
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if (foo == 8) start_ss(time(0)+1000);
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#endif
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if (!do_ss) return;
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if (gstate.activities_suspended) {
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reset();
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ss_status = SS_STATUS_BOINCSUSPENDED;
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return;
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}
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// check if it's time to go to black screen
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//
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if (blank_time && (time(0) > blank_time)) {
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if (SS_STATUS_BLANKED != ss_status) {
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reset();
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ss_status = SS_STATUS_BLANKED;
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}
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} else {
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atp = gstate.active_tasks.get_ss_app();
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if (atp) {
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if (atp->graphics_mode_acked != MODE_FULLSCREEN) {
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if (time(0)>ack_deadline) {
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m.mode = MODE_HIDE_GRAPHICS;
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atp->request_graphics_mode(m);
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atp->is_ss_app = false;
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ss_status = SS_STATUS_NOTGRAPHICSCAPABLE;
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}
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}
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} else {
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atp = gstate.get_next_graphics_capable_app();
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if (atp) {
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do_ss = false;
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ss_status = SS_STATUS_RESTARTREQUEST;
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} else {
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if (gstate.active_tasks.active_tasks.size()==0) {
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ss_status = SS_STATUS_NOAPPSEXECUTING;
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} else {
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ss_status = SS_STATUS_NOGRAPHICSAPPSEXECUTING;
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}
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}
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}
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}
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}
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const char *BOINC_RCSID_dd5060e766 = "$Id$";
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