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++ // Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++
++ #include "scenemanager_p.h"
++ #include <Qt3DCore/private/vector_helper_p.h>
++
++ QT_BEGIN_NAMESPACE
++
++ namespace Qt3DRender {
++ namespace Render {
++
++ SceneManager::SceneManager()
++ : Qt3DCore::QResourceManager<Scene,
++ Qt3DCore::QNodeId,
++ Qt3DCore::ObjectLevelLockingPolicy>()
++ , m_service(nullptr)
++ {
++ }
++
++ SceneManager::~SceneManager()
++ {
++ }
++
++ void SceneManager::setDownloadService(Qt3DCore::QDownloadHelperService *service)
++ {
++ m_service = service;
++ }
++
++ void SceneManager::addSceneData(const QUrl &source,
++ Qt3DCore::QNodeId sceneUuid,
++ const QByteArray &data)
++ {
++ LoadSceneJobPtr newJob(new LoadSceneJob(source, sceneUuid));
++
++ if (!data.isEmpty())
++ newJob->setData(data);
++
++ // We cannot run two jobs that use the same scene loader plugin
++ // in two different threads at the same time
++ if (!m_pendingJobs.empty())
++ newJob->addDependency(m_pendingJobs.back());
++
++ m_pendingJobs.push_back(newJob);
++ }
++
++ std::vector<LoadSceneJobPtr> SceneManager::takePendingSceneLoaderJobs()
++ {
++ return Qt3DCore::moveAndClear(m_pendingJobs);
++ }
++
++ void SceneManager::startSceneDownload(const QUrl &source, Qt3DCore::QNodeId sceneUuid)
++ {
++ if (!m_service)
++ return;
++ SceneDownloaderPtr request = SceneDownloaderPtr::create(source, sceneUuid, this);
++ m_pendingDownloads.push_back(request);
++ m_service->submitRequest(request);
++ }
++
++ void SceneManager::clearSceneDownload(SceneDownloader *downloader)
++ {
++ for (auto it = m_pendingDownloads.begin(); it != m_pendingDownloads.end(); ++it) {
++ if ((*it).data() == downloader) {
++ m_pendingDownloads.erase(it);
++ return;
++ }
++ }
++ }
++
++
++ SceneDownloader::SceneDownloader(const QUrl &source, Qt3DCore::QNodeId sceneComponent, SceneManager *manager)
++ : Qt3DCore::QDownloadRequest(source)
++ , m_sceneComponent(sceneComponent)
++ , m_manager(manager)
++ {
++
++ }
++
++ void SceneDownloader::onCompleted()
++ {
++ if (!m_manager)
++ return;
++ if (succeeded())
++ m_manager->addSceneData(url(), m_sceneComponent, m_data);
++ else
++ qWarning() << "Failed to download scene at" << url();
++ m_manager->clearSceneDownload(this);
++ }
++
++ } // namespace Render
++ } // namespace Qt3DRender
++
++ QT_END_NAMESPACE