{"id":103383,"date":"2022-02-18T21:36:54","date_gmt":"2022-02-18T19:36:55","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-platformy-webos-open-source-edition-2-15"},"modified":"2022-02-18T21:36:54","modified_gmt":"2022-02-18T19:36:55","slug":"vypusk-platformy-webos-open-source-edition-2-15","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/vypusk-platformy-webos-open-source-edition-2-15","title":{"rendered":"Pubblicazione della piattaforma webOS Open Source Edition 2.15","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>\u00c8 stato pubblicato il rilascio della piattaforma aperta webOS Open Source Edition 2.15, utilizzabile su vari dispositivi portatili, schede e sistemi di infotainment automobilistico. Come piattaforma hardware di riferimento sono considerate le schede Raspberry Pi 4. La piattaforma \u00e8 in fase di sviluppo in un repository pubblico sotto licenza Apache 2.0, e lo sviluppo \u00e8 curato dalla comunit\u00e0 seguendo un modello di gestione collaborativa.       <\/p>\n<p>La piattaforma webOS \u00e8 stata originariamente sviluppata da Palm nel 2008 e utilizzata sugli smartphone Palm Pre e Pixie. Dopo l'acquisizione di Palm nel 2010, la piattaforma \u00e8 passata nelle mani di Hewlett-Packard, che ha cercato di utilizzare questa tecnologia nelle proprie stampanti, tablet, laptop e PC. Nel 2012, HP ha annunciato la trasformazione di webOS in un progetto open source indipendente e nel 2013 ha iniziato a rendere disponibili i codici sorgente dei suoi componenti. Nel 2013, la piattaforma \u00e8 stata acquistata da LG e ora viene utilizzata su oltre 70 milioni di televisori e dispositivi di consumo LG. Nel 2018 \u00e8 stato fondato il progetto webOS Open Source Edition, attraverso il quale LG ha cercato di tornare a un modello di sviluppo aperto, coinvolgendo altri partecipanti e ampliando il numero di dispositivi supportati da webOS.    <\/p>\n<p>L'ambiente di sistema webOS \u00e8 costituito utilizzando strumenti e pacchetti base di OpenEmbedded, insieme a un sistema di build e a un set di metadati del progetto Yocto. I componenti chiave di webOS includono il gestore di sistema e applicazioni (SAM, System and Application Manager), responsabile dell'esecuzione di applicazioni e servizi, e il Luna Surface Manager (LSM), che forma l'interfaccia utente. I componenti sono scritti utilizzando il framework Qt e il motore del browser Chromium.      <\/p>\n<p>Il rendering avviene tramite un compositore che applica il protocollo Wayland. Per lo sviluppo di applicazioni utente, si consiglia di utilizzare tecnologie web (CSS, HTML5 e JavaScript) e il framework Enact, basato su React, ma \u00e8 possibile anche creare programmi in C e C++ con interfacce basate su Qt. L'interfaccia utente e le applicazioni grafiche integrate sono principalmente realizzate come programmi nativi, scritti utilizzando la tecnologia QML. Di default, viene offerto l'interfaccia Home Launcher, ottimizzata per la gestione tramite touchscreen e che propone un concetto di schede che si alternano (invece di finestre).      <\/p>\n<p>Per archiviare i dati in un formato strutturato JSON, viene utilizzato il database DB8, che impiega LevelDB come backend. L'inizializzazione avviene tramite bootd basato su systemd. Per la gestione dei contenuti multimediali, sono disponibili i sottosistemi uMediaServer e Media Display Controller (MDC), utilizzando PulseAudio per l'audio. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/server\/dts-los-angeles\/\"   title=\"server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3794\">server<\/a> Per l'aggiornamento automatico del firmware si utilizza OSTree e la sostituzione atomica delle partizioni (vengono create due partizioni di sistema, una delle quali \u00e8 attiva, mentre l'altra viene utilizzata per copiare l'aggiornamento).  <\/p>\n<p><center><img decoding=\"async\" alt=\"Pubblicazione della piattaforma webOS Open Source Edition 2.15\" src=\"\/wp-content\/uploads\/2022\/02\/fa82b8cca6cb1be0b4a30e92b9bdd55a.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>        <\/p>\n<p> Le principali novit\u00e0 di questa versione:  <\/p>\n<ul>\n<li class=\"l\"> \u00c8 stata aggiunta la supporto per tastiera e mouse. Il gestore composito LSM (Luna Surface Manager) \u00e8 stato adattato per gestire e organizzare l'input tramite tastiera e mouse, non solo il touchscreen. Ad esempio, \u00e8 possibile collegare una tastiera e un mouse a un dispositivo mobile o a una TV basata su webOS per utilizzarli come una workstation. \u00c8 stata anche aggiunta la supporto per combinazioni di tasti per richiamare rapidamente le impostazioni (F1) e l'interfaccia di avvio delle applicazioni (tasto Start o Windows).\n<li class=\"l\"> Le prestazioni di rendering sono state migliorate e la qualit\u00e0 dell'animazione nelle applicazioni che utilizzano la libreria Qt \u00e8 aumentata.\n<li class=\"l\"> Sono stati aggiunti componenti e risorse per la personalizzazione delle applicazioni QML al launcher della home (Home Launcher).\n<li class=\"l\"> Nel servizio di gestione audio audiod \u00e8 stata aggiunta la supporto per il monitoraggio del volume.\n<li class=\"l\"> \u00c8 stato proposto un insieme di esempi di applicazioni e soluzioni basate su webOS.\n<li class=\"l\"> Il motore del browser \u00e8 stato aggiornato a Chromium 91 (precedentemente utilizzato Chromium 87). Nel motore web \u00e8 stata implementata la supporto per GPU vsync per Wayland.\n<li class=\"l\"> Nell'emulatore \u00e8 stata attivata la compressione della partizione di swap (zram) e la gestione dell'assenza di memoria (oomd).      <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56724\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b webOS Open Source Edition 2.15, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0442\u044c\u0441\u044f \u043d\u0430 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u043f\u043e\u0440\u0442\u0430\u0442\u0438\u0432\u043d\u044b\u0445 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430\u0445, \u043f\u043b\u0430\u0442\u0430\u0445 \u0438 \u0430\u0432\u0442\u043e\u043c\u043e\u0431\u0438\u043b\u044c\u043d\u044b\u0445 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u043e\u043d\u043d\u043e-\u0440\u0430\u0437\u0432\u043b\u0435\u043a\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445. \u0412 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u044d\u0442\u0430\u043b\u043e\u043d\u043d\u043e\u0439 \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u044e\u0442\u0441\u044f \u043f\u043b\u0430\u0442\u044b Raspberry Pi 4. \u041f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0432 \u043f\u0443\u0431\u043b\u0438\u0447\u043d\u043e\u043c \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u0438 \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 Apache 2.0, \u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0443 \u043a\u0443\u0440\u0438\u0440\u0443\u0435\u0442 \u0441\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e, \u043f\u0440\u0438\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u044f\u0441\u044c \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u043d\u043e\u0439 \u043c\u043e\u0434\u0435\u043b\u0438 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439. \u041f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430 webOS \u0431\u044b\u043b\u0430 \u0438\u0437\u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u0430 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0435\u0439 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":103384,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-103383","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b webOS Open Source Edition 2.15, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0442\u044c\u0441\u044f \u043d\u0430 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 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