1 | /*************************************************************************** |
2 | * Copyright (C) 2005-2014 by the Quassel Project * |
3 | * devel@quassel-irc.org * |
4 | * * |
5 | * This program is free software; you can redistribute it and/or modify * |
6 | * it under the terms of the GNU General Public License as published by * |
7 | * the Free Software Foundation; either version 2 of the License, or * |
8 | * (at your option) version 3. * |
9 | * * |
10 | * This program is distributed in the hope that it will be useful, * |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
13 | * GNU General Public License for more details. * |
14 | * * |
15 | * You should have received a copy of the GNU General Public License * |
16 | * along with this program; if not, write to the * |
17 | * Free Software Foundation, Inc., * |
18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * |
19 | ***************************************************************************/ |
20 | |
21 | #include "bufferviewoverlayfilter.h" |
22 | |
23 | #include "bufferviewoverlay.h" |
24 | #include "networkmodel.h" |
25 | #include "types.h" |
26 | |
27 | BufferViewOverlayFilter::BufferViewOverlayFilter(QAbstractItemModel *model, BufferViewOverlay *overlay) |
28 | : QSortFilterProxyModel(model), |
29 | _overlay(0) |
30 | { |
31 | setOverlay(overlay); |
32 | setSourceModel(model); |
33 | |
34 | setDynamicSortFilter(true); |
35 | } |
36 | |
37 | |
38 | void BufferViewOverlayFilter::setOverlay(BufferViewOverlay *overlay) |
39 | { |
40 | if (_overlay == overlay) |
41 | return; |
42 | |
43 | if (_overlay) { |
44 | disconnect(_overlay, 0, this, 0); |
45 | } |
46 | |
47 | _overlay = overlay; |
48 | |
49 | if (!overlay) { |
50 | invalidate(); |
51 | return; |
52 | } |
53 | |
54 | connect(overlay, SIGNAL(destroyed()), this, SLOT(overlayDestroyed())); |
55 | connect(overlay, SIGNAL(hasChanged()), this, SLOT(invalidate())); |
56 | invalidate(); |
57 | } |
58 | |
59 | |
60 | void BufferViewOverlayFilter::overlayDestroyed() |
61 | { |
62 | setOverlay(0); |
63 | } |
64 | |
65 | |
66 | bool BufferViewOverlayFilter::filterAcceptsRow(int source_row, const QModelIndex &source_parent) const |
67 | { |
68 | if (!_overlay) |
69 | return false; |
70 | |
71 | QModelIndex source_bufferIndex = sourceModel()->index(source_row, 0, source_parent); |
72 | |
73 | if (!source_bufferIndex.isValid()) { |
74 | qWarning() << "filterAcceptsRow has been called with an invalid Child" ; |
75 | return false; |
76 | } |
77 | |
78 | NetworkModel::ItemType itemType = (NetworkModel::ItemType)sourceModel()->data(source_bufferIndex, NetworkModel::ItemTypeRole).toInt(); |
79 | |
80 | NetworkId networkId = sourceModel()->data(source_bufferIndex, NetworkModel::NetworkIdRole).value<NetworkId>(); |
81 | if (!_overlay->networkIds().contains(networkId) && !_overlay->allNetworks()) { |
82 | return false; |
83 | } |
84 | else if (itemType == NetworkModel::NetworkItemType) { |
85 | // network items don't need further checks. |
86 | return true; |
87 | } |
88 | |
89 | int activityLevel = sourceModel()->data(source_bufferIndex, NetworkModel::BufferActivityRole).toInt(); |
90 | if (_overlay->minimumActivity() > activityLevel) |
91 | return false; |
92 | |
93 | int bufferType = sourceModel()->data(source_bufferIndex, NetworkModel::BufferTypeRole).toInt(); |
94 | if (!(_overlay->allowedBufferTypes() & bufferType)) |
95 | return false; |
96 | |
97 | BufferId bufferId = sourceModel()->data(source_bufferIndex, NetworkModel::BufferIdRole).value<BufferId>(); |
98 | Q_ASSERT(bufferId.isValid()); |
99 | |
100 | if (_overlay->bufferIds().contains(bufferId)) |
101 | return true; |
102 | |
103 | if (_overlay->tempRemovedBufferIds().contains(bufferId)) |
104 | return activityLevel > BufferInfo::OtherActivity; |
105 | |
106 | if (_overlay->removedBufferIds().contains(bufferId)) |
107 | return false; |
108 | |
109 | // the buffer is not known to us |
110 | qDebug() << "BufferViewOverlayFilter::filterAcceptsRow()" << bufferId << "is unknown!" ; |
111 | return false; |
112 | } |
113 | |