/usr/include/InterViews/observe.h is in ivtools-dev 1.2.11a1-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 | /*
* Copyright (c) 1992 Stanford University
* Copyright (c) 1992 Silicon Graphics, Inc.
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee, provided
* that (i) the above copyright notices and this permission notice appear in
* all copies of the software and related documentation, and (ii) the names of
* Stanford and Silicon Graphics may not be used in any advertising or
* publicity relating to the software without the specific, prior written
* permission of Stanford and Silicon Graphics.
*
* THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
* EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
*
* IN NO EVENT SHALL STANFORD OR SILICON GRAPHICS BE LIABLE FOR
* ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
* WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
/*
* Observable - object to observe
*/
#ifndef iv_observe_h
#define iv_observe_h
#include <InterViews/enter-scope.h>
#include <InterViews/_enter.h>
class Observer;
class ObserverList;
//: observable mixin.
// <a href=../refman3.1/refman.html#PAGE27>in reference manual</a>.
class Observable {
public:
Observable();
virtual ~Observable();
virtual void attach(Observer*);
virtual void detach(Observer*);
virtual void notify();
private:
ObserverList* observers_;
};
//: observer mixin.
// <a href=../refman3.1/refman.html#PAGE27>in reference manual</a>.
class Observer {
protected:
Observer();
public:
virtual ~Observer();
virtual void update(Observable*);
virtual void disconnect(Observable*);
};
#include <InterViews/_leave.h>
#endif
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