src/kits/app/MessageFilter.cpp

   1 /*
   2  * Copyright 2001-2014 Haiku, Inc. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Erik Jaesler (erik@cgsoftware.com)
   7  */
   8
   9
  10 #include <MessageFilter.h>
  11
  12
  13 BMessageFilter::BMessageFilter(uint32 inWhat, filter_hook func)
  14         :
  15         fFiltersAny(false),
  16         fWhat(inWhat),
  17         fDelivery(B_ANY_DELIVERY),
  18         fSource(B_ANY_SOURCE),
  19         fLooper(NULL),
  20         fFilterFunction(func)
  21 {
  22 }
  23
  24
  25 BMessageFilter::BMessageFilter(message_delivery delivery,
  26         message_source source, filter_hook func)
  27         :
  28         fFiltersAny(true),
  29         fWhat(0),
  30         fDelivery(delivery),
  31         fSource(source),
  32         fLooper(NULL),
  33         fFilterFunction(func)
  34 {
  35 }
  36
  37
  38 BMessageFilter::BMessageFilter(message_delivery delivery,
  39         message_source source, uint32 inWhat, filter_hook func)
  40         :
  41         fFiltersAny(false),
  42         fWhat(inWhat),
  43         fDelivery(delivery),
  44         fSource(source),
  45         fLooper(NULL),
  46         fFilterFunction(func)
  47 {
  48 }
  49
  50
  51 BMessageFilter::BMessageFilter(const BMessageFilter& filter)
  52 {
  53         *this = filter;
  54 }
  55
  56
  57 BMessageFilter::BMessageFilter(const BMessageFilter* filter)
  58 {
  59         *this = *filter;
  60 }
  61
  62
  63 BMessageFilter::~BMessageFilter()
  64 {
  65 }
  66
  67
  68 BMessageFilter &
  69 BMessageFilter::operator=(const BMessageFilter& from)
  70 {
  71         fFiltersAny                     = from.FiltersAnyCommand();
  72         fWhat                           = from.Command();
  73         fDelivery                       = from.MessageDelivery();
  74         fSource                         = from.MessageSource();
  75         fFilterFunction         = from.FilterFunction();
  76
  77         SetLooper(from.Looper());
  78
  79         return *this;
  80 }
  81
  82
  83 filter_result
  84 BMessageFilter::Filter(BMessage* message, BHandler** target)
  85 {
  86         return B_DISPATCH_MESSAGE;
  87 }
  88
  89
  90 message_delivery
  91 BMessageFilter::MessageDelivery() const
  92 {
  93         return fDelivery;
  94 }
  95
  96
  97 message_source
  98 BMessageFilter::MessageSource() const
  99 {
 100         return fSource;
 101 }
 102
 103
 104 uint32
 105 BMessageFilter::Command() const
 106 {
 107         return fWhat;
 108 }
 109
 110
 111 bool
 112 BMessageFilter::FiltersAnyCommand() const
 113 {
 114         return fFiltersAny;
 115 }
 116
 117
 118 BLooper*
 119 BMessageFilter::Looper() const
 120 {
 121         return fLooper;
 122 }
 123
 124
 125 void BMessageFilter::_ReservedMessageFilter1() {}
 126 void BMessageFilter::_ReservedMessageFilter2() {}
 127
 128
 129 void
 130 BMessageFilter::SetLooper(BLooper* owner)
 131 {
 132         fLooper = owner;
 133 }
 134
 135
 136 filter_hook
 137 BMessageFilter::FilterFunction() const
 138 {
 139         return fFilterFunction;
 140 }