git.iko.soy/unity8
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unity8/plugins/Unity/filters.cpp
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1/*
2 * Copyright (C) 2011 Canonical, Ltd.
3 *
4 * Authors:
5 * Florian Boucault <florian.boucault@canonical.com>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; version 3.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 */
20// Self
21#include "filters.h"
23// Local
24#include "filter.h"
26// Qt
27#include <QDebug>
29// libunity-core
30#include <UnityCore/Filters.h>
32Filters::Filters(unity::dash::Filters::Ptr unityFilters, QObject *parent) :
33 QAbstractListModel(parent), m_unityFilters(unityFilters)
35 QHash<int, QByteArray> roles;
36 roles[Filters::RoleFilter] = "filter";
37 setRoleNames(roles);
39 for (unsigned int i=0; i<m_unityFilters->count(); i++) {
40 unity::dash::Filter::Ptr unityFilter = m_unityFilters->FilterAtIndex(i);
41 addFilter(unityFilter, i);
42 }
43 m_unityFilters->filter_added.connect(sigc::mem_fun(this, &Filters::onFilterAdded));
44 m_unityFilters->filter_changed.connect(sigc::mem_fun(this, &Filters::onFilterChanged));
45 m_unityFilters->filter_removed.connect(sigc::mem_fun(this, &Filters::onFilterRemoved));
48Filters::~Filters()
50 while (!m_filters.isEmpty()) {
51 delete m_filters.takeFirst();
52 }
55int Filters::rowCount(const QModelIndex& parent) const
57 Q_UNUSED(parent)
59 return m_unityFilters->count();
62QVariant Filters::data(const QModelIndex& index, int role) const
64 Q_UNUSED(role)
66 if (!index.isValid()) {
67 return QVariant();
68 }
70 Filter* filter = m_filters.at(index.row());
72 if (role == Filters::RoleFilter) {
73 return QVariant::fromValue(filter);
74 } else {
75 return QVariant();
76 }
79Filter* Filters::getFilter(const QString& id) const
81 Q_FOREACH (Filter* filter, m_filters) {
82 if (filter->id() == id) {
83 return filter;
84 }
85 }
86 return NULL;
89void Filters::onFilterAdded(unity::dash::Filter::Ptr unityFilter)
91 if (unityFilter == NULL) {
92 return;
93 }
95 /* FIXME: figure out actual index of unityFilter; for now filters are appended */
96 int index = m_filters.count();
97 addFilter(unityFilter, index);
100void Filters::onFilterChanged(unity::dash::Filter::Ptr unityFilter)
102 if (unityFilter == NULL) {
103 return;
104 }
106 QModelIndex filterIndex = index(indexForFilter(unityFilter));
107 Q_EMIT dataChanged(filterIndex, filterIndex);
110void Filters::onFilterRemoved(unity::dash::Filter::Ptr unityFilter)
112 removeFilter(indexForFilter(unityFilter));
115void Filters::addFilter(unity::dash::Filter::Ptr unityFilter, int index)
117 beginInsertRows(QModelIndex(), index, index);
118 Filter* filter = Filter::newFromUnityFilter(unityFilter);
119 m_filters.insert(index, filter);
120 endInsertRows();
123void Filters::removeFilter(int index)
125 beginRemoveRows(QModelIndex(), index, index);
126 Filter* filter = m_filters.takeAt(index);
127 delete filter;
128 endRemoveRows();
131int Filters::indexForFilter(unity::dash::Filter::Ptr unityFilter)
133 int index;
134 for (index=0; index<m_filters.count(); index++) {
135 if (m_filters[index]->hasUnityFilter(unityFilter)) {
136 return index;
137 }
138 }
139 qWarning() << "Filter" << QString::fromStdString(unityFilter->name()) << "not found in local cache.";
140 return -1;
144#include "filters.moc"