git.iko.soy/unity8
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unity8/plugins/Unity/filters.cpp
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1/*
2 * Copyright (C) 2011, 2013 Canonical, Ltd.
3 *
4 * Authors:
5 * Florian Boucault <florian.boucault@canonical.com>
6 * Pawel Stolowski <pawel.stolowski@canonical.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; version 3.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 */
21// Self
22#include "filters.h"
24// Local
25#include "filter.h"
27// Qt
28#include <QDebug>
30// libunity-core
31#include <UnityCore/Filters.h>
33Filters::Filters(unity::dash::Filters::Ptr unityFilters, QObject *parent) :
34 QAbstractListModel(parent), m_unityFilters(unityFilters)
36 // setup roles
37 m_roles[Filters::RoleId] = "id";
38 m_roles[Filters::RoleName] = "name";
39 m_roles[Filters::RoleIconHint] = "iconHint";
40 m_roles[Filters::RoleRendererName] = "rendererName";
41 m_roles[Filters::RoleVisible] = "visible";
42 m_roles[Filters::RoleCollapsed] = "collapsed";
43 m_roles[Filters::RoleFiltering] = "filtering";
45 for (unsigned int i=0; i<m_unityFilters->count(); i++) {
46 unity::dash::Filter::Ptr unityFilter = m_unityFilters->FilterAtIndex(i);
47 addFilter(unityFilter, i);
48 }
49 m_unityFilters->filter_added.connect(sigc::mem_fun(this, &Filters::onFilterAdded));
50 m_unityFilters->filter_changed.connect(sigc::mem_fun(this, &Filters::onFilterChanged));
51 m_unityFilters->filter_removed.connect(sigc::mem_fun(this, &Filters::onFilterRemoved));
54Filters::~Filters()
56 while (!m_filters.isEmpty()) {
57 delete m_filters.takeFirst();
58 }
61int Filters::rowCount(const QModelIndex& parent) const
63 Q_UNUSED(parent)
65 return m_unityFilters->count();
68QVariant Filters::data(const QModelIndex& index, int role) const
70 if (!index.isValid()) {
71 return QVariant();
72 }
74 Filter* filter = m_filters.at(index.row());
75 switch (role)
76 {
77 case Filters::RoleId:
78 return filter->id();
79 case Filters::RoleName:
80 case Qt::DisplayRole:
81 return filter->name();
82 case Filters::RoleIconHint:
83 return filter->iconHint();
84 case Filters::RoleRendererName:
85 return filter->rendererName();
86 case Filters::RoleVisible:
87 return filter->visible();
88 case Filters::RoleCollapsed:
89 return filter->collapsed();
90 case Filters::RoleFiltering:
91 return filter->filtering();
92 default:
93 break;
94 }
95 return QVariant();
98QHash<int, QByteArray> Filters::roleNames() const
100 return m_roles;
103Filter* Filters::getFilter(const QString& id) const
105 Q_FOREACH (Filter* filter, m_filters) {
106 if (filter->id() == id) {
107 return filter;
108 }
109 }
110 return nullptr;
113void Filters::onFilterAdded(unity::dash::Filter::Ptr unityFilter)
115 if (unityFilter == nullptr) {
116 return;
117 }
119 int index = m_filters.count();
120 addFilter(unityFilter, index);
123void Filters::onFilterChanged(unity::dash::Filter::Ptr unityFilter)
125 if (unityFilter == nullptr) {
126 return;
127 }
129 QModelIndex filterIndex = index(indexForFilter(unityFilter));
130 Q_EMIT dataChanged(filterIndex, filterIndex);
133void Filters::onFilterRemoved(unity::dash::Filter::Ptr unityFilter)
135 removeFilter(indexForFilter(unityFilter));
138void Filters::addFilter(unity::dash::Filter::Ptr unityFilter, int index)
140 beginInsertRows(QModelIndex(), index, index);
141 Filter* filter = Filter::newFromUnityFilter(unityFilter);
142 if (filter != nullptr) {
143 m_filters.insert(index, filter);
144 }
145 endInsertRows();
148void Filters::removeFilter(int index)
150 beginRemoveRows(QModelIndex(), index, index);
151 Filter* filter = m_filters.takeAt(index);
152 delete filter;
153 endRemoveRows();
156int Filters::indexForFilter(unity::dash::Filter::Ptr unityFilter)
158 // TODO: use a map
159 int index;
160 for (index=0; index<m_filters.count(); index++) {
161 if (m_filters[index]->hasUnityFilter(unityFilter)) {
162 return index;
163 }
164 }
165 qWarning() << "Filter" << QString::fromStdString(unityFilter->name()) << "not found in local cache.";
166 return -1;