2 * This file is part of the PulseView project.
4 * Copyright (C) 2020 Soeren Apel <soeren@apelpie.net>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
20 #include "metadata_obj.hpp"
25 const char* MetadataObjectNames[MetadataObjTypeCount] = {
31 const char* MetadataValueNames[MetadataObjValueCount] = {
38 MetadataObject::MetadataObject(MetadataObjManager* obj_manager, uint32_t obj_id,
39 MetadataObjectType obj_type) :
40 obj_manager_(obj_manager),
44 // Make sure we accept all value type indices
45 values_.resize(MetadataObjValueCount);
48 uint32_t MetadataObject::id() const
53 MetadataObjectType MetadataObject::type() const
58 void MetadataObject::set_value(MetadataValueType value_type, QVariant& value)
60 values_.at((uint8_t)value_type) = value;
61 obj_manager_->notify_observers(this, value_type);
64 QVariant MetadataObject::value(MetadataValueType value_type) const
66 return values_.at((uint8_t)value_type);
70 MetadataObject* MetadataObjManager::create_object(MetadataObjectType obj_type)
72 // Note: This function is not reentrant as race conditions between
73 // emplace_back() and back() may occur
75 objects_.emplace_back(this, objects_.size(), obj_type);
76 MetadataObject* obj = &(objects_.back());
78 for (MetadataObjObserverInterface *cb : callbacks_)
79 cb->on_metadata_object_created(obj->id(), obj->type());
84 void MetadataObjManager::delete_object(uint32_t obj_id)
86 MetadataObjectType type = objects_.at(obj_id).type();
88 objects_.erase(std::remove_if(objects_.begin(), objects_.end(),
89 [&](MetadataObject obj) { return obj.id() == obj_id; }),
92 for (MetadataObjObserverInterface *cb : callbacks_)
93 cb->on_metadata_object_deleted(obj_id, type);
96 MetadataObject* MetadataObjManager::find_object_by_type(MetadataObjectType obj_type)
98 for (MetadataObject& obj : objects_)
99 if (obj.type() == obj_type)
105 MetadataObject* MetadataObjManager::object(uint32_t obj_id)
107 return &(objects_.at(obj_id));
110 void MetadataObjManager::add_observer(MetadataObjObserverInterface *cb)
112 callbacks_.emplace_back(cb);
115 void MetadataObjManager::remove_observer(MetadataObjObserverInterface *cb)
117 for (auto cb_it = callbacks_.begin(); cb_it != callbacks_.end(); cb_it++)
119 callbacks_.erase(cb_it);
124 void MetadataObjManager::save_objects(QSettings &settings) const
129 void MetadataObjManager::restore_objects(QSettings &settings)
134 void MetadataObjManager::notify_observers(MetadataObject* obj,
135 MetadataValueType changed_value)
137 for (MetadataObjObserverInterface *cb : callbacks_)
138 cb->on_metadata_object_changed(obj->id(), obj->type(), changed_value,
139 obj->value(changed_value));