Directory: | ./ |
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File: | src/MessageItem.cpp |
Date: | 2024-08-07 15:18:03 |
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1 | /***************************************************************************** | ||
2 | * | ||
3 | * Copyright (C) 2022 Florian Pose <fp@igh.de> | ||
4 | * | ||
5 | * This file is part of the QtPdCom library. | ||
6 | * | ||
7 | * The QtPdCom library is free software: you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU Lesser General Public License as published by | ||
9 | * the Free Software Foundation, either version 3 of the License, or (at your | ||
10 | * option) any later version. | ||
11 | * | ||
12 | * The QtPdCom library is distributed in the hope that it will be useful, but | ||
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | ||
14 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public | ||
15 | * License for more details. | ||
16 | * | ||
17 | * You should have received a copy of the GNU Lesser General Public License | ||
18 | * along with the QtPdCom Library. If not, see <http://www.gnu.org/licenses/>. | ||
19 | * | ||
20 | ****************************************************************************/ | ||
21 | |||
22 | #include "MessageItem.h" | ||
23 | #include "MessageImpl.h" | ||
24 | |||
25 | namespace QtPdCom { | ||
26 | |||
27 | /****************************************************************************/ | ||
28 | |||
29 | 12 | bool seqNoLessThan(uint32_t a, uint32_t b) | |
30 | { | ||
31 | 12 | return int32_t(a - b) > 0; // greater seqNos shall be on top of the list | |
32 | } | ||
33 | |||
34 | /****************************************************************************/ | ||
35 | |||
36 | 20 | MessageModel::Impl::MessageItem::MessageItem( | |
37 | Message *message, | ||
38 | MessageModel::Impl *modelImpl, | ||
39 | 20 | quint64 setTime): | |
40 | message{message}, | ||
41 | modelImpl{modelImpl}, | ||
42 | seqNo{0}, | ||
43 | setTime{setTime}, | ||
44 | 20 | resetTime{0} | |
45 | { | ||
46 | 20 | } | |
47 | |||
48 | /****************************************************************************/ | ||
49 | |||
50 | 38 | Message::Type MessageModel::Impl::MessageItem::getType() const | |
51 | { | ||
52 | 38 | return message->getType(); | |
53 | } | ||
54 | |||
55 | /****************************************************************************/ | ||
56 | |||
57 | 83 | QString MessageModel::Impl::MessageItem::getText( | |
58 | const QString &lang) const | ||
59 | { | ||
60 | 83 | return message->getText(lang); | |
61 | } | ||
62 | |||
63 | /****************************************************************************/ | ||
64 | |||
65 | 37 | QString MessageModel::Impl::MessageItem::getDescription( | |
66 | const QString &lang) const | ||
67 | { | ||
68 | 37 | return message->getDescription(lang); | |
69 | } | ||
70 | |||
71 | /****************************************************************************/ | ||
72 | |||
73 | 30 | QString MessageModel::Impl::MessageItem::getTimeString() const | |
74 | { | ||
75 | 30 | return message->impl->timeString(setTime); | |
76 | } | ||
77 | |||
78 | /****************************************************************************/ | ||
79 | |||
80 | 12 | QString MessageModel::Impl::MessageItem::getResetTimeString() const | |
81 | { | ||
82 |
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12 | if (resetTime) { |
83 | 7 | return message->impl->timeString(resetTime); | |
84 | } | ||
85 | else { | ||
86 | 5 | return QString(); | |
87 | } | ||
88 | } | ||
89 | |||
90 | /****************************************************************************/ | ||
91 | |||
92 | 63 | bool MessageModel::Impl::MessageItem::isActive() const | |
93 | { | ||
94 | 63 | return resetTime == 0; | |
95 | } | ||
96 | |||
97 | /****************************************************************************/ | ||
98 | |||
99 | 9 | bool MessageModel::Impl::MessageItem::seqNoLessThan(const MessageItem *a, | |
100 | const MessageItem *b) | ||
101 | { | ||
102 | 9 | return QtPdCom::seqNoLessThan(a->seqNo, b->seqNo); | |
103 | } | ||
104 | |||
105 | /****************************************************************************/ | ||
106 | |||
107 | 1 | bool MessageModel::Impl::MessageItem::setTimeLessThan(const MessageItem *a, | |
108 | const MessageItem *b) | ||
109 | { | ||
110 | 1 | qint64 diff = a->setTime - b->setTime; | |
111 | return diff > 0 | ||
112 |
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1 | or (!diff and seqNoLessThan(a, b)); |
113 | } | ||
114 | |||
115 | /****************************************************************************/ | ||
116 | |||
117 | 22 | bool MessageModel::Impl::MessageItem::levelNoLessThan( | |
118 | const MessageModel::Impl::MessageItem *a, const MessageItem *b) | ||
119 | { | ||
120 | 22 | bool aIsReset = a->resetTime; | |
121 | 22 | bool bIsReset = b->resetTime; | |
122 | |||
123 | /* sorting rules: | ||
124 | * | ||
125 | * - if a message is reset, it should be displayed below all active | ||
126 | * messages. | ||
127 | * - among reset messages, the sorting should happen just accorting the | ||
128 | * time (and sequence number, if time is equal), so ignoring the type | ||
129 | * for reset messages. | ||
130 | * - for active messages, those with more critical types shall be | ||
131 | * displayed on top of the list, thus the set time shall be as ordering | ||
132 | * citerion for active messages with the same type. | ||
133 | */ | ||
134 | |||
135 |
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33 | bool ret = (!aIsReset and !bIsReset |
136 |
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5 | and (a->getType() > b->getType() // critical types on top |
137 |
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2 | or (a->getType() == b->getType() |
138 |
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1 | and setTimeLessThan(a, b)))) |
139 |
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52 | or (bIsReset |
140 |
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37 | and (!aIsReset or seqNoLessThan(a, b))); |
141 | 22 | return ret; | |
142 | } | ||
143 | |||
144 | /****************************************************************************/ | ||
145 | |||
146 | 10 | bool MessageModel::Impl::MessageItem::lessThan(const MessageItem *a, | |
147 | const MessageItem *b) | ||
148 | { | ||
149 | 10 | return a->modelImpl->lessThan(a, b); | |
150 | } | ||
151 | |||
152 | /****************************************************************************/ | ||
153 | |||
154 | } // namespace | ||
155 | |||
156 | /****************************************************************************/ | ||
157 |