/usr/include/libtomahawk/utils/Closure.h is in libtomahawk-dev 0.8.4+dfsg1-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 | /* This file is part of Tomahawk.
Copyright 2011, David Sansome <me@davidsansome.com>
Copyright 2012, Leo Franchi <lfranchi@kde.org>
Tomahawk is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Tomahawk 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with Tomahawk. If not, see <http://www.gnu.org/licenses/>.
*/
// Originally from Clementine
#ifndef CLOSURE_H
#define CLOSURE_H
#include "config.h"
#include "DllMacro.h"
#if defined(_WEBSOCKETPP_CPP11_STL_) || defined(CXX_STD_FUNCTIONAL)
#include <functional>
using std::function;
#else
#include <tr1/functional>
using std::tr1::function;
#endif
#include <QMetaMethod>
#include <QObject>
#include <QPointer>
#include <QSharedPointer>
#include <boost/noncopyable.hpp>
#include <boost/scoped_ptr.hpp>
namespace _detail {
class DLLEXPORT ClosureArgumentWrapper {
public:
virtual ~ClosureArgumentWrapper() {}
virtual QGenericArgument arg() const = 0;
};
template<typename T>
class ClosureArgument : public ClosureArgumentWrapper {
public:
explicit ClosureArgument(const T& data) : data_(data) {}
virtual QGenericArgument arg() const {
return QArgument<T>(QMetaType::typeName(qMetaTypeId<T>()), data_);
}
private:
T data_;
};
class DLLEXPORT Closure : public QObject, boost::noncopyable {
Q_OBJECT
public:
Closure(QObject* sender, const char* signal,
QObject* receiver, const char* slot,
const ClosureArgumentWrapper* val0 = 0,
const ClosureArgumentWrapper* val1 = 0,
const ClosureArgumentWrapper* val2 = 0,
const ClosureArgumentWrapper* val3 = 0);
Closure(QObject* sender, const char* signal,
function<void()> callback);
void setAutoDelete( bool autoDelete ) { autoDelete_ = autoDelete; }
virtual ~Closure();
/**
* If you don't this Closure to act on a signal, but just act like
* a closure in that it saves some args and delivers them on demand later
*
* Only call this if you passed a null QObject* as a sender! Otherwise you
* might delete your object twice :)
*/
void forceInvoke();
private slots:
void Invoked();
void Cleanup();
private:
void Connect(QObject* sender, const char* signal);
QMetaMethod slot_;
function<void()> callback_;
bool autoDelete_;
QPointer<QObject> outOfThreadReceiver_;
boost::scoped_ptr<const ClosureArgumentWrapper> val0_;
boost::scoped_ptr<const ClosureArgumentWrapper> val1_;
boost::scoped_ptr<const ClosureArgumentWrapper> val2_;
boost::scoped_ptr<const ClosureArgumentWrapper> val3_;
};
class DLLEXPORT SharedPointerWrapper {
public:
virtual ~SharedPointerWrapper() {}
virtual QObject* data() const = 0;
};
template<typename T>
class SharedPointer : public SharedPointerWrapper {
public:
explicit SharedPointer(QSharedPointer<T> ptr)
: ptr_(ptr) {
}
QObject* data() const {
return ptr_.data();
}
private:
QSharedPointer<T> ptr_;
};
// For use with a QSharedPointer as a sender.
class SharedClosure : public Closure {
Q_OBJECT
public:
SharedClosure(SharedPointerWrapper* sender, const char* signal,
QObject* receiver, const char* slot,
const ClosureArgumentWrapper* val0 = 0,
const ClosureArgumentWrapper* val1 = 0,
const ClosureArgumentWrapper* val2 = 0,
const ClosureArgumentWrapper* val3 = 0)
: Closure(sender->data(), signal,
receiver, slot,
val0, val1, val2, val3),
shared_sender_(sender) {
}
private:
boost::scoped_ptr<SharedPointerWrapper> shared_sender_;
};
} // namespace _detail
#define C_ARG(type, data) new _detail::ClosureArgument<type>(data)
_detail::Closure* NewClosure(
QObject* sender,
const char* signal,
QObject* receiver,
const char* slot);
template <typename T>
_detail::Closure* NewClosure(
QObject* sender,
const char* signal,
QObject* receiver,
const char* slot,
const T& val0) {
return new _detail::Closure(
sender, signal, receiver, slot,
C_ARG(T, val0));
}
template <typename T0, typename T1>
_detail::Closure* NewClosure(
QObject* sender,
const char* signal,
QObject* receiver,
const char* slot,
const T0& val0,
const T1& val1) {
return new _detail::Closure(
sender, signal, receiver, slot,
C_ARG(T0, val0), C_ARG(T1, val1));
}
template <typename T0, typename T1, typename T2>
_detail::Closure* NewClosure(
QObject* sender,
const char* signal,
QObject* receiver,
const char* slot,
const T0& val0,
const T1& val1,
const T2& val2) {
return new _detail::Closure(
sender, signal, receiver, slot,
C_ARG(T0, val0), C_ARG(T1, val1), C_ARG(T2, val2));
}
template <typename T0, typename T1, typename T2, typename T3>
_detail::Closure* NewClosure(
QObject* sender,
const char* signal,
QObject* receiver,
const char* slot,
const T0& val0,
const T1& val1,
const T2& val2,
const T3& val3) {
return new _detail::Closure(
sender, signal, receiver, slot,
C_ARG(T0, val0), C_ARG(T1, val1), C_ARG(T2, val2), C_ARG(T3, val3));
}
template <typename TP>
_detail::Closure* NewClosure(
QSharedPointer<TP> sender,
const char* signal,
QObject* receiver,
const char* slot) {
return new _detail::SharedClosure(
new _detail::SharedPointer<TP>(sender), signal, receiver, slot);
}
template <typename TP, typename T0>
_detail::Closure* NewClosure(
QSharedPointer<TP> sender,
const char* signal,
QObject* receiver,
const char* slot,
const T0& val0) {
return new _detail::SharedClosure(
new _detail::SharedPointer<TP>(sender), signal, receiver, slot,
C_ARG(T0, val0));
}
template <typename TP, typename T0, typename T1>
_detail::Closure* NewClosure(
QSharedPointer<TP> sender,
const char* signal,
QObject* receiver,
const char* slot,
const T0& val0,
const T1& val1) {
return new _detail::SharedClosure(
new _detail::SharedPointer<TP>(sender), signal, receiver, slot,
C_ARG(T0, val0), C_ARG(T1, val1));
}
#endif // CLOSURE_H
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