File indexing completed on 2024-04-28 04:52:26

 /*
     SPDX-FileCopyrightText: 2019 Jean-Baptiste Mardelle
     SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
 */
 
 #include "clipsnapmodel.hpp"
 #include "bin/model/markerlistmodel.hpp"
 #include <climits>
 #include <cstdlib>
 #include <memory>
 
 ClipSnapModel::ClipSnapModel() = default;
 
 void ClipSnapModel::addPoint(int position)
 {
     m_snapPoints.insert(position);
     if (position < m_inPoint * m_speed || position >= m_outPoint * m_speed) {
         return;
     }
     if (auto ptr = m_registeredSnap.lock()) {
         ptr->addPoint(m_speed < 0 ? int(ceil(m_outPoint + m_position + position / m_speed - m_inPoint))
                                   : int(ceil(m_position + position / m_speed - m_inPoint)));
     }
 }
 
 void ClipSnapModel::removePoint(int position)
 {
     m_snapPoints.erase(position);
     if (position < m_inPoint * m_speed || position >= m_outPoint * m_speed) {
         return;
     }
     if (auto ptr = m_registeredSnap.lock()) {
         ptr->removePoint(m_speed < 0 ? int(ceil(m_outPoint + m_position + position / m_speed - m_inPoint))
                                      : int(ceil(m_position + position / m_speed - m_inPoint)));
     }
 }
 
 void ClipSnapModel::updateSnapModelPos(int newPos)
 {
     if (newPos == m_position) {
         return;
     }
     removeAllSnaps();
     m_position = newPos;
     addAllSnaps();
 }
 
 void ClipSnapModel::updateSnapModelInOut(std::vector<int> borderSnaps)
 {
     removeAllSnaps();
     m_inPoint = borderSnaps.at(0);
     m_outPoint = borderSnaps.at(1);
     m_mixPoint = borderSnaps.at(2);
     addAllSnaps();
 }
 
 void ClipSnapModel::updateSnapMixPosition(int mixPos)
 {
     removeAllSnaps();
     m_mixPoint = mixPos;
     addAllSnaps();
 }
 
 void ClipSnapModel::addAllSnaps()
 {
     if (auto ptr = m_registeredSnap.lock()) {
         for (const auto &snap : m_snapPoints) {
             if (snap >= m_inPoint * m_speed && snap < m_outPoint * m_speed) {
                 ptr->addPoint(m_speed < 0 ? int(ceil(m_outPoint + m_position + snap / m_speed - m_inPoint))
                                           : int(ceil(m_position + snap / m_speed - m_inPoint)));
             }
         }
         if (m_mixPoint > 0) {
             ptr->addPoint(int(ceil(m_position + m_mixPoint)));
         }
     }
 }
 
 void ClipSnapModel::removeAllSnaps()
 {
     if (auto ptr = m_registeredSnap.lock()) {
         for (const auto &snap : m_snapPoints) {
             if (snap >= m_inPoint * m_speed && snap < m_outPoint * m_speed) {
                 ptr->removePoint(m_speed < 0 ? int(ceil(m_outPoint + m_position + snap / m_speed - m_inPoint))
                                              : int(ceil(m_position + snap / m_speed - m_inPoint)));
             }
         }
         if (m_mixPoint > 0) {
             ptr->removePoint(int(ceil(m_position + m_mixPoint)));
         }
     }
 }
 
 void ClipSnapModel::allSnaps(std::vector<int> &snaps, int offset) const
 {
     snaps.push_back(m_position - offset);
     if (auto ptr = m_registeredSnap.lock()) {
         for (const auto &snap : m_snapPoints) {
             if (snap >= m_inPoint * m_speed && snap < m_outPoint * m_speed) {
                 snaps.push_back(m_speed < 0 ? int(ceil(m_outPoint + m_position + snap / m_speed - m_inPoint - offset))
                                             : int(ceil(m_position + snap / m_speed - m_inPoint - offset)));
             }
         }
     }
     if (m_mixPoint > 0) {
         snaps.push_back(m_position + m_mixPoint - offset);
     }
     snaps.push_back(m_position + m_outPoint - m_inPoint + 1 - offset);
 }
 
 void ClipSnapModel::registerSnapModel(const std::weak_ptr<SnapModel> &snapModel, int position, int in, int out, double speed)
 {
     // make sure ptr is valid
     m_inPoint = in;
     m_outPoint = out;
     m_speed = speed;
     m_position = qMax(0, position);
     m_registeredSnap = snapModel;
     addAllSnaps();
 }
 
 void ClipSnapModel::deregisterSnapModel()
 {
     // make sure ptr is valid
     removeAllSnaps();
     m_registeredSnap.reset();
 }
 
 void ClipSnapModel::setReferenceModel(const std::weak_ptr<MarkerListModel> &markerModel, double speed)
 {
     m_parentModel = markerModel;
     m_speed = speed;
     if (auto ptr = m_parentModel.lock()) {
         ptr->registerSnapModel(std::static_pointer_cast<SnapInterface>(shared_from_this()));
     }
 }