mirror of https://github.com/BOINC/boinc.git
71 lines
2.4 KiB
C++
71 lines
2.4 KiB
C++
// Berkeley Open Infrastructure for Network Computing
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// http://boinc.berkeley.edu
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// Copyright (C) 2005 University of California
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//
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// This is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation;
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// either version 2.1 of the License, or (at your option) any later version.
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//
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// This software is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU Lesser General Public License for more details.
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//
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// To view the GNU Lesser General Public License visit
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// http://www.gnu.org/copyleft/lesser.html
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// or write to the Free Software Foundation, Inc.,
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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#ifndef _SS_LOGIC_
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#define _SS_LOGIC_
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#ifndef _WIN32
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#include <ctime>
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#endif
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// the core client can be requested to provide screensaver graphics (SSG).
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// The following are states of this function:
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#define SS_STATUS_ENABLED 1
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// requested to provide SSG
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#define SS_STATUS_BLANKED 3
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// not providing SSG, SS should blank screen
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#define SS_STATUS_BOINCSUSPENDED 4
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// not providing SS because suspended
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#define SS_STATUS_NOAPPSEXECUTING 6
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// no apps executing
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#define SS_STATUS_NOGRAPHICSAPPSEXECUTING 7
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// apps executing, but none graphical
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#define SS_STATUS_QUIT 8
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// not requested to provide SSG
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#define SS_STATUS_NOPROJECTSDETECTED 9
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class SS_LOGIC {
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public:
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SS_LOGIC();
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void start_ss(GRAPHICS_MSG&, double blank_time);
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void stop_ss();
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void poll();
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void reset();
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int get_ss_status() { return ss_status; };
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void ask_app(ACTIVE_TASK*, GRAPHICS_MSG&);
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private:
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double blank_time; // 0 or time to blank screen
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double ack_deadline; // when to give up on graphics app
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int ss_status; // the status of the screensaver from the core
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// client perspective.
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bool do_ss; // true if we're acting like a screensaver
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GRAPHICS_MSG saved_graphics_msg;
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// invariants
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//
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// at most one app has request_mode = FULLSCREEN
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// pre-ss mode of all apps is not FULLSCREEN
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};
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#endif
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