rainynite-studio/studio/generic/context_listener.cpp

/*
 *  context_listener.cpp - Context-dependent entity
 *  Copyright (C) 2017 caryoscelus
 *
 *  This program 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.
 *
 *  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/>.
 */

#include <core/context.h>

#include "context_listener.h"

namespace studio {

ContextListener::ContextListener(std::shared_ptr<EditorContext> context_) :
    destroy_detector(std::make_shared<Null>())
{
    set_context(context_);
}

void ContextListener::set_context(std::shared_ptr<EditorContext> context_) {
    // TODO: disconnect from previous context!
    context = context_;
    if (context == nullptr)
        context = global_dummy_context();
    connect_boost(
        context->changed_time(),
        [this](core::Time time) {
            time_changed(time);
        }
    );
    connect_boost(
        context->changed_active_node(),
        [this](std::shared_ptr<core::AbstractValue> node) {
            active_node_changed(node);
        }
    );
    time_changed(get_core_context()->get_time());
    fps_changed(get_core_context()->get_fps());
}

}