1 //------------------------------------------------------------------------------ 2 // Copyright (c) 2001-2002, OpenBeOS 3 // 4 // Permission is hereby granted, free of charge, to any person obtaining a 5 // copy of this software and associated documentation files (the "Software"), 6 // to deal in the Software without restriction, including without limitation 7 // the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 // and/or sell copies of the Software, and to permit persons to whom the 9 // Software is furnished to do so, subject to the following conditions: 10 // 11 // The above copyright notice and this permission notice shall be included in 12 // all copies or substantial portions of the Software. 13 // 14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 19 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 20 // DEALINGS IN THE SOFTWARE. 21 // 22 // File Name: MessageFilter.cpp 23 // Author: Erik Jaesler (erik@cgsoftware.com) 24 // Description: BMessageFilter class creates objects that filter 25 // in-coming BMessages. 26 //------------------------------------------------------------------------------ 27 28 #include <MessageFilter.h> 29 30 BMessageFilter::BMessageFilter(uint32 inWhat, filter_hook func) 31 : fFiltersAny(false), 32 what(inWhat), 33 fDelivery(B_ANY_DELIVERY), 34 fSource(B_ANY_SOURCE), 35 fLooper(NULL), 36 fFilterFunction(func) 37 { 38 } 39 40 41 BMessageFilter::BMessageFilter(message_delivery delivery, message_source source, 42 filter_hook func) 43 : fFiltersAny(true), 44 what(0), 45 fDelivery(delivery), 46 fSource(source), 47 fLooper(NULL), 48 fFilterFunction(func) 49 { 50 } 51 52 53 BMessageFilter::BMessageFilter(message_delivery delivery, message_source source, 54 uint32 inWhat, filter_hook func) 55 : fFiltersAny(false), 56 what(inWhat), 57 fDelivery(delivery), 58 fSource(source), 59 fLooper(NULL), 60 fFilterFunction(func) 61 { 62 } 63 64 65 BMessageFilter::BMessageFilter(const BMessageFilter& filter) 66 { 67 *this = filter; 68 } 69 70 71 BMessageFilter::BMessageFilter(const BMessageFilter* filter) 72 { 73 *this = *filter; 74 } 75 76 77 BMessageFilter::~BMessageFilter() 78 { 79 } 80 81 82 BMessageFilter & 83 BMessageFilter::operator=(const BMessageFilter& from) 84 { 85 fFiltersAny = from.FiltersAnyCommand(); 86 what = from.Command(); 87 fDelivery = from.MessageDelivery(); 88 fSource = from.MessageSource(); 89 fFilterFunction = from.FilterFunction(); 90 91 SetLooper(from.Looper()); 92 93 return *this; 94 } 95 96 97 filter_result 98 BMessageFilter::Filter(BMessage* message, BHandler** target) 99 { 100 return B_DISPATCH_MESSAGE; 101 } 102 103 104 message_delivery 105 BMessageFilter::MessageDelivery() const 106 { 107 return fDelivery; 108 } 109 110 111 message_source 112 BMessageFilter::MessageSource() const 113 { 114 return fSource; 115 } 116 117 118 uint32 119 BMessageFilter::Command() const 120 { 121 return what; 122 } 123 124 125 bool 126 BMessageFilter::FiltersAnyCommand() const 127 { 128 return fFiltersAny; 129 } 130 131 132 BLooper * 133 BMessageFilter::Looper() const 134 { 135 return fLooper; 136 } 137 138 139 void BMessageFilter::_ReservedMessageFilter1() {} 140 void BMessageFilter::_ReservedMessageFilter2() {} 141 142 143 void 144 BMessageFilter::SetLooper(BLooper* owner) 145 { 146 fLooper = owner; 147 } 148 149 150 filter_hook 151 BMessageFilter::FilterFunction() const 152 { 153 return fFilterFunction; 154 } 155