summaryrefslogtreecommitdiffhomepage
path: root/options/bundle.cpp
blob: aa7d0ea8da94785075093c26c39858f647520f41 (plain)
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
#include "bundle.hpp"
#include "value.hpp"

using options::base_value;

namespace options
{

namespace detail {

bundle::bundle(const QString& group_name)
    :
      mtx(QMutex::Recursive),
      group_name(group_name),
      saved(group_name),
      transient(saved)
{
}

void bundle::reload()
{
    if (group_name.size())
    {
        QMutexLocker l(&mtx);
        saved = group(group_name);
        const bool has_changes = transient != saved;
        transient = saved;

        if (has_changes)
        {
            connector::notify_all_values();
            emit reloading();
            emit changed();
        }
    }
}

void bundle::store_kv(const QString& name, const QVariant& datum)
{
    QMutexLocker l(&mtx);

    transient.put(name, datum);

    if (group_name.size())
        connector::notify_values(name);

    emit changed();
}

bool bundle::contains(const QString &name) const
{
    QMutexLocker l(mtx);
    return transient.contains(name);
}

void bundle::save_deferred(QSettings& s)
{
    if (group_name.size() == 0)
        return;

    bool modified_ = false;

    {
        QMutexLocker l(&mtx);
        if (saved != transient)
        {
            qDebug() << "bundle" << group_name << "changed, saving";
            modified_ = true;
            saved = transient;
            saved.save_deferred(s);
        }
    }

    if (modified_)
        emit saving();
}

void bundle::save()
{
    save_deferred(*group::ini_file());
}

bool bundle::is_modified() const // XXX unused
{
    QMutexLocker l(mtx);
    return transient != saved;
}

void bundler::bundle_decf(const bundler::k& key)
{
    QMutexLocker l(&implsgl_mtx);

    if (--std::get<0>(implsgl_data[key]) == 0)
    {
        qDebug() << "bundle -" << key;

        implsgl_data.erase(key);
    }
}

void bundler::after_profile_changed_()
{
    QMutexLocker l(&implsgl_mtx);

    for (auto& kv : implsgl_data)
    {
        tt& tuple = kv.second;
        std::weak_ptr<v>& bundle = std::get<1>(tuple);

        mem<v> bundle_ = bundle.lock();
        if (bundle_)
        {
            qDebug() << "bundle: reverting" << kv.first << "due to profile change";
            bundle_->reload();
        }
    }
}

void bundler::refresh_all_bundles()
{
    singleton().after_profile_changed_();
}

bundler::bundler() : implsgl_mtx(QMutex::Recursive)
{
}

bundler::~bundler()
{
    qDebug() << "exit: bundle singleton";
}

std::shared_ptr<bundler::v> bundler::make_bundle(const bundler::k &key)
{
    QMutexLocker l(&implsgl_mtx);

    if (implsgl_data.count(key) != 0)
    {
        auto shared = std::get<1>(implsgl_data[key]).lock();
        if (shared != nullptr)
            return shared;
    }

    qDebug() << "bundle +" << key;

    std::shared_ptr<v> shr(new v(key), [this](v* val) { bundle_decf(val->name()); });

    implsgl_data[key] = tt(1, shr);
    return shr;
}

OPENTRACK_OPTIONS_EXPORT bundler& singleton()
{
    static bundler ret;
    return ret;
}

} // end options::detail

OPENTRACK_OPTIONS_EXPORT std::shared_ptr<bundle_type> make_bundle(const QString& name)
{
    if (name.size())
        return detail::singleton().make_bundle(name);
    else
        return std::make_shared<bundle_type>(QStringLiteral(""));
}

QMutex* options::detail::bundle::get_mtx() const { return mtx; }

} // end options