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75 lines
2.1 KiB
75 lines
2.1 KiB
10 years ago
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/*
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<one line to give the library's name and an idea of what it does.>
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Copyright (C) 2013 <copyright holder> <email>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "cachedfoldermodel.h"
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using namespace Fm;
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static GQuark data_id = 0;
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CachedFolderModel::CachedFolderModel(FmFolder* folder):
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FolderModel(),
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refCount(1) {
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FolderModel::setFolder(folder);
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}
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CachedFolderModel::~CachedFolderModel() {
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qDebug("delete CachedFolderModel");
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}
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CachedFolderModel* CachedFolderModel::modelFromFolder(FmFolder* folder) {
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CachedFolderModel* model = NULL;
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if(!data_id)
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data_id = g_quark_from_static_string("CachedFolderModel");
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gpointer qdata = g_object_get_qdata(G_OBJECT(folder), data_id);
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model = reinterpret_cast<CachedFolderModel*>(qdata);
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if(model) {
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// qDebug("cache found!!");
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model->ref();
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}
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else {
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model = new CachedFolderModel(folder);
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g_object_set_qdata(G_OBJECT(folder), data_id, model);
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}
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return model;
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}
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CachedFolderModel* CachedFolderModel::modelFromPath(FmPath* path) {
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FmFolder* folder = fm_folder_from_path(path);
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if(folder) {
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CachedFolderModel* model = modelFromFolder(folder);
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g_object_unref(folder);
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return model;
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}
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return NULL;
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}
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void CachedFolderModel::unref() {
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// qDebug("unref cache");
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--refCount;
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if(refCount <= 0) {
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g_object_set_qdata(G_OBJECT(folder()), data_id, NULL);
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deleteLater();
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}
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}
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