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
|
// -*- Mode: C++; indent-tabs-mode: nil; tab-width: 2 -*-
/*
* Copyright (C) 2013 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authored by: Marco Trevisan <marco.trevisan@canonical.com>
*/
#ifndef UNITY_CONNECTION_MANAGER
#define UNITY_CONNECTION_MANAGER
#include <memory>
#include <unordered_map>
#include <sigc++/sigc++.h>
#include "ActionHandle.h"
namespace unity
{
namespace connection
{
typedef unity::action::handle handle;
class Wrapper
{
public:
typedef std::shared_ptr<Wrapper> Ptr;
Wrapper() {};
Wrapper(sigc::connection const& conn) : conn_(conn) {}
~Wrapper() { conn_.disconnect(); };
operator sigc::connection() const { return conn_; }
operator bool() const { return conn_.connected(); }
Wrapper& operator=(sigc::connection const& conn) { conn_.disconnect(); conn_ = conn; return *this; }
const sigc::connection* operator->() const { return &conn_; }
sigc::connection* operator->() { return &conn_; }
sigc::connection const& operator*() const { return conn_; }
sigc::connection& operator*() { return conn_; }
sigc::connection const& Get() const { return conn_; }
private:
Wrapper(Wrapper const&) = delete;
Wrapper& operator=(Wrapper const&) = delete;
sigc::connection conn_;
};
class Manager
{
public:
Manager() = default;
handle Add(sigc::connection const&);
bool Remove(handle);
bool RemoveAndClear(handle*);
handle Replace(handle const&, sigc::connection const&);
sigc::connection Get(handle const&) const;
void Clear();
bool Empty() const;
size_t Size() const;
private:
Manager(Manager const&) = delete;
Manager& operator=(Manager const&) = delete;
std::unordered_map<handle, Wrapper::Ptr> connections_;
};
} // connection namespace
} // unity namespace
#endif
|