You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
libfm-qt-packaging/src/file.h

154 lines
3.3 KiB

/*
* Copyright (C) 2016 Hong Jen Yee (PCMan) <pcman.tw@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef __LIBFM_QT_FM_FILE_H__
#define __LIBFM_QT_FM_FILE_H__
#include <libfm/fm.h>
#include <QObject>
#include <QtGlobal>
#include "libfmqtglobals.h"
namespace Fm {
class LIBFM_QT_API File {
public:
// default constructor
File() {
dataPtr_ = nullptr;
}
File(FmFile* dataPtr){
dataPtr_ = dataPtr != nullptr ? reinterpret_cast<GObject*>(g_object_ref(dataPtr)) : nullptr;
}
// copy constructor
File(const File& other) {
dataPtr_ = other.dataPtr_ != nullptr ? reinterpret_cast<GObject*>(g_object_ref(other.dataPtr_)) : nullptr;
}
// move constructor
File(File&& other) {
dataPtr_ = reinterpret_cast<GObject*>(other.takeDataPtr());
}
// destructor
virtual ~File() {
if(dataPtr_ != nullptr) {
g_object_unref(dataPtr_);
}
}
// create a wrapper for the data pointer without increasing the reference count
static File wrapPtr(FmFile* dataPtr) {
File obj;
obj.dataPtr_ = reinterpret_cast<GObject*>(dataPtr);
return obj;
}
// disown the managed data pointer
FmFile* takeDataPtr() {
FmFile* data = reinterpret_cast<FmFile*>(dataPtr_);
dataPtr_ = nullptr;
return data;
}
// get the raw pointer wrapped
FmFile* dataPtr() {
return reinterpret_cast<FmFile*>(dataPtr_);
}
// automatic type casting
operator FmFile*() {
return dataPtr();
}
// automatic type casting
operator void*() {
return dataPtr();
}
// copy assignment
File& operator=(const File& other) {
if(dataPtr_ != nullptr) {
g_object_unref(dataPtr_);
}
dataPtr_ = other.dataPtr_ != nullptr ? reinterpret_cast<GObject*>(g_object_ref(other.dataPtr_)) : nullptr;
return *this;
}
// move assignment
File& operator=(File&& other) {
dataPtr_ = reinterpret_cast<GObject*>(other.takeDataPtr());
return *this;
}
bool isNull() {
return (dataPtr_ == nullptr);
}
// methods
static GFile* newForCommandlineArg(const char* arg) {
return fm_file_new_for_commandline_arg(arg);
}
static GFile* newForUri(const char* uri) {
return fm_file_new_for_uri(uri);
}
static bool wantsIncremental(GFile* file) {
return fm_file_wants_incremental(file);
}
static void addVfs(const char* name, FmFileInitTable* init) {
fm_file_add_vfs(name, init);
}
// automatic type casting for GObject
operator GObject*() {
return reinterpret_cast<GObject*>(dataPtr_);
}
protected:
GObject* dataPtr_; // data pointer for the underlying C struct
};
}
#endif // __LIBFM_QT_FM_FILE_H__