{"id":103480,"date":"2022-03-06T09:36:39","date_gmt":"2022-03-06T07:36:40","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dostupen-chromium-dlya-os-fuchsia"},"modified":"2022-03-06T09:36:39","modified_gmt":"2022-03-06T07:36:40","slug":"dostupen-chromium-dlya-os-fuchsia","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/dostupen-chromium-dlya-os-fuchsia","title":{"rendered":"Chromium je k dispozici pro opera\u010dn\u00ed syst\u00e9m Fuchsia","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Spole\u010dnost Google zve\u0159ejnila plnohodnotnou verzi webov\u00e9ho prohl\u00ed\u017ee\u010de Chromium pro opera\u010dn\u00ed syst\u00e9m Fuchsia, kter\u00e1 nahradila v seznamu aplikac\u00ed d\u0159\u00edve nab\u00edzen\u00fd zjednodu\u0161en\u00fd prohl\u00ed\u017ee\u010d Simple Browser, ur\u010den\u00fd pro izolovan\u00e9 webov\u00e9 aplikace, nikoli pro pr\u00e1ci se str\u00e1nkami. Nep\u0159\u00edmo poskytov\u00e1n\u00ed podpory b\u011b\u017en\u00e9ho webov\u00e9ho prohl\u00ed\u017ee\u010de potvrzuje z\u00e1m\u011br spole\u010dnosti Google rozv\u00edjet Fuchsia nejen pro IoT a spot\u0159ebitelsk\u00e1 za\u0159\u00edzen\u00ed, jako je Nest Hub, ale tak\u00e9 pro desktopov\u00e9 platformy. Pro sezn\u00e1men\u00ed se s aktu\u00e1ln\u00edm stavem v\u00fdvoje Fuchsia lze vyu\u017e\u00edt emul\u00e1tor a tak\u00e9 testovac\u00ed sestaven\u00ed projektu dahliaOS. <\/p>\n

U\u017eivatelsk\u00e9 rozhran\u00ed sestaven\u00ed Chromium pro Fuchsia je celkov\u011b podobn\u00e9 sestaven\u00edm pro ostatn\u00ed desktopov\u00e9 syst\u00e9my, s v\u00fdjimkou n\u011bkter\u00fdch nedostatk\u016f a chyb, jako jsou probl\u00e9my s zobrazen\u00edm kontextov\u00fdch nab\u00eddek a otev\u00edr\u00e1n\u00edm n\u011bkolika oken. V posledn\u00ed dob\u011b se aktivn\u011b pracuje na odstran\u011bn\u00ed t\u011bchto probl\u00e9m\u016f, nap\u0159\u00edklad p\u0159ed n\u011bkolika dny byla zaji\u0161t\u011bna podpora integrovan\u00e9ho PDF prohl\u00ed\u017ee\u010de a mo\u017enost tisku.

\"Chromium<\/center> <\/p>\n

P\u0159ipome\u0148me, \u017ee opera\u010dn\u00ed syst\u00e9m Fuchsia se vyv\u00edj\u00ed spole\u010dnost\u00ed Google od roku 2016 s ohledem na nedostatky v oblasti \u0161k\u00e1lovatelnosti a zabezpe\u010den\u00ed, kter\u00e9 se vyskytuj\u00ed na platform\u011b Android. Syst\u00e9m je zalo\u017een na mikroj\u00e1de\u0159e Zircon, kter\u00e9 vych\u00e1z\u00ed z v\u00fdvoje projektu LK, roz\u0161\u00ed\u0159en\u00e9ho pro pou\u017eit\u00ed na r\u016fzn\u00fdch typech za\u0159\u00edzen\u00ed, v\u010detn\u011b chytr\u00fdch telefon\u016f a osobn\u00edch po\u010d\u00edta\u010d\u016f. Zircon roz\u0161i\u0159uje LK podporou proces\u016f a sd\u00edlen\u00fdch knihoven, u\u017eivatelskou \u00farovn\u00ed, syst\u00e9mem zpracov\u00e1n\u00ed objekt\u016f a modelem zabezpe\u010den\u00ed zalo\u017een\u00fdm na capability. Ovlada\u010de jsou implementov\u00e1ny jako dynamick\u00e9 knihovny b\u011b\u017e\u00edc\u00ed v u\u017eivatelsk\u00e9m prostoru, kter\u00e9 jsou na\u010d\u00edt\u00e1ny procesem devhost a spravov\u00e1ny spr\u00e1vcem za\u0159\u00edzen\u00ed (devmg, Device Manager). <\/p>\n

Pro Fuchsia byl p\u0159ipraven vlastn\u00ed grafick\u00fd u\u017eivatelsk\u00fd rozhran\u00ed napsan\u00e9 jazykem Dart s vyu\u017eit\u00edm frameworku Flutter. Projekt tak\u00e9 vyv\u00edj\u00ed framework pro vytv\u00e1\u0159en\u00ed u\u017eivatelsk\u00fdch rozhran\u00ed Peridot, spr\u00e1vce bal\u00ed\u010dk\u016f Fargo, standardn\u00ed knihovnu libc, rendering syst\u00e9m Escher, Vulkan ovlada\u010d Magma, kompozitn\u00ed mana\u017eer Scenic, souborov\u00e9 syst\u00e9my MinFS, MemFS, ThinFS (FAT napsan\u00e9 v Go) a Blobfs, stejn\u011b jako spr\u00e1vce odd\u00edl\u016f FVM. Pro v\u00fdvoj aplikac\u00ed je zaji\u0161t\u011bna podpora jazyk\u016f C\/C++, Dart, v syst\u00e9mov\u00fdch komponent\u00e1ch je tak\u00e9 povoleno pou\u017eit\u00ed Rust, v s\u00ed\u0165ov\u00e9m stacku Go, a v syst\u00e9mu pro sestaven\u00ed jazyk Python. <\/p>\n

\"Chromium<\/center> <\/p>\n

B\u011bhem zav\u00e1d\u011bn\u00ed se pou\u017e\u00edv\u00e1 syst\u00e9mov\u00fd spr\u00e1vce, kter\u00fd zahrnuje appmgr pro vytvo\u0159en\u00ed po\u010d\u00e1te\u010dn\u00edho programov\u00e9ho prost\u0159ed\u00ed, sysmgr pro formov\u00e1n\u00ed zav\u00e1d\u011bc\u00edho prost\u0159ed\u00ed a basemgr pro nastaven\u00ed u\u017eivatelsk\u00e9ho prost\u0159ed\u00ed a organizaci p\u0159ihl\u00e1\u0161en\u00ed do syst\u00e9mu. Pro zabezpe\u010den\u00ed je nab\u00edzena pokro\u010dil\u00e1 syst\u00e9mov\u00e1 sandboxov\u00e1 izolace, ve kter\u00e9 nov\u00e9 procesy nemaj\u00ed p\u0159\u00edstup k objekt\u016fm j\u00e1dra, nemohou alokovat pam\u011b\u0165 a nemohou spou\u0161t\u011bt k\u00f3d, a pro p\u0159\u00edstup k zdroj\u016fm se pou\u017e\u00edv\u00e1 syst\u00e9m prostor\u016f n\u00e1zv\u016f, kter\u00fd ur\u010duje dostupn\u00e9 pravomoci. Platforma poskytuje framework pro vytv\u00e1\u0159en\u00ed komponent\u016f, kter\u00e9 jsou programy b\u011b\u017e\u00edc\u00edmi ve sv\u00e9m sandboxu a kter\u00e9 mohou interagovat s jin\u00fdmi komponenty prost\u0159ednictv\u00edm IPC.
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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