git.iko.soy/unity8
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unity8/plugins/Unity/Indicators/unitymenumodelcache.cpp
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1/*
2 * Copyright 2013 Canonical Ltd.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU Lesser General Public License as published by
6 * the Free Software Foundation; version 3.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU Lesser General Public License for more details.
12 *
13 * You should have received a copy of the GNU Lesser General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 *
16 * Authors:
17 * Nick Dedekind <nick.dedekind@canonical.com>
18 */
20#include "unitymenumodelcache.h"
21#include <unitymenumodel.h>
23UnityMenuModelCache::UnityMenuModelCache(QObject* parent)
24 : QObject(parent)
28UnityMenuModelCache::~UnityMenuModelCache()
33UnityMenuModel* UnityMenuModelCache::model(const QString& path) const
35 return m_menuModels.value(path, NULL);
38void UnityMenuModelCache::registerModel(const QString& path, UnityMenuModel* menuModel)
40 menuModel->setParent(this);
41 m_menuModels[path] = menuModel;
44UnityMenuModelCache* UnityMenuModelCache::cache()
46 static UnityMenuModelCache* model = new UnityMenuModelCache;
47 return model;
50void UnityMenuModelCache::ref(const QString& path)
52 if (!m_refs.contains(path)) {
53 m_refs[path] = 1;
54 } else {
55 m_refs[path]++;
56 }
59bool UnityMenuModelCache::deref(const QString& path)
61 if (m_refs.contains(path)) {
62 if (--m_refs[path] <= 0) {
63 delete m_menuModels.value(path, NULL);
64 m_menuModels.remove(path);
65 m_refs.remove(path);
66 return false;
67 }
68 }
69 return true;