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/*
* BRLTTY - A background process providing access to the console screen (when in
* text mode) for a blind person using a refreshable braille display.
*
* Copyright (C) 1995-2014 by The BRLTTY Developers.
*
* BRLTTY comes with ABSOLUTELY NO WARRANTY.
*
* This is free software, placed under the terms of the
* GNU General Public License, as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any
* later version. Please see the file LICENSE-GPL for details.
*
* Web Page: http://mielke.cc/brltty/
*
* This software is maintained by Dave Mielke <dave@mielke.cc>.
*/
#ifndef BRLTTY_INCLUDED_REPORT
#define BRLTTY_INCLUDED_REPORT
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
typedef enum {
REPORT_BRAILLE_ONLINE,
REPORT_BRAILLE_OFFLINE,
} ReportIdentifier;
extern void report (ReportIdentifier identiier, const void *data);
typedef struct {
ReportIdentifier reportIdentifier;
const void *reportData;
void *listenerData;
} ReportListenerParameters;
#define REPORT_LISTENER(name) void name (const ReportListenerParameters *parameters)
typedef REPORT_LISTENER(ReportListener);
typedef struct ReportListenerInstanceStruct ReportListenerInstance;
extern ReportListenerInstance *registerReportListener (
ReportIdentifier identifier,
ReportListener *listener,
void *data
);
extern void unregisterReportListener (ReportListenerInstance *rli);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* BRLTTY_INCLUDED_REPORT */
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