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LibWeb: Implement the dns-prefetch and preconnect link relationships

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This commit is contained in:
Ali Mohammad Pur 2021-09-28 00:08:29 +03:30 • committed by Andreas Kling
parent e9b9f89e70
commit f0e2c517fc
4 changed files with 26 additions and 3 deletions
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14
Userland/Libraries/LibWeb/HTML/HTMLLinkElement.cpp
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@ -42,6 +42,10 @@ void HTMLLinkElement::inserted()
LoadRequest request; LoadRequest request;
request.set_url(document().parse_url(attribute(HTML::AttributeNames::href))); request.set_url(document().parse_url(attribute(HTML::AttributeNames::href)));
m_preload_resource = ResourceLoader::the().load_resource(Resource::Type::Generic, request); m_preload_resource = ResourceLoader::the().load_resource(Resource::Type::Generic, request);
} else if (m_relationship & Relationship::DNSPrefetch) {
ResourceLoader::the().prefetch_dns(document().parse_url(attribute(HTML::AttributeNames::href)));
} else if (m_relationship & Relationship::Preconnect) {
ResourceLoader::the().preconnect(document().parse_url(attribute(HTML::AttributeNames::href)));
} }
} }
@ -51,12 +55,16 @@ void HTMLLinkElement::parse_attribute(const FlyString& name, const String& value
m_relationship = 0; m_relationship = 0;
auto parts = value.split_view(' '); auto parts = value.split_view(' ');
for (auto& part : parts) { for (auto& part : parts) {
if (part == "stylesheet") if (part == "stylesheet"sv)
m_relationship |= Relationship::Stylesheet; m_relationship |= Relationship::Stylesheet;
else if (part == "alternate") else if (part == "alternate"sv)
m_relationship |= Relationship::Alternate; m_relationship |= Relationship::Alternate;
else if (part == "preload") else if (part == "preload"sv)
m_relationship |= Relationship::Preload; m_relationship |= Relationship::Preload;
else if (part == "dns-prefetch"sv)
m_relationship |= Relationship::DNSPrefetch;
else if (part == "preconnect"sv)
m_relationship |= Relationship::Preconnect;
} }
} }
} }

2
Userland/Libraries/LibWeb/HTML/HTMLLinkElement.h
View file

@ -33,6 +33,8 @@ private:
Alternate = 1 << 0, Alternate = 1 << 0,
Stylesheet = 1 << 1, Stylesheet = 1 << 1,
Preload = 1 << 2, Preload = 1 << 2,
DNSPrefetch = 1 << 3,
Preconnect = 1 << 4,
}; };
}; };

10
Userland/Libraries/LibWeb/Loader/ResourceLoader.cpp
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@ -52,6 +52,16 @@ void ResourceLoader::load_sync(LoadRequest& request, Function<void(ReadonlyBytes
loop.exec(); loop.exec();
} }
void ResourceLoader::prefetch_dns(AK::URL const& url)
{
m_protocol_client->ensure_connection(url, RequestServer::CacheLevel::ResolveOnly);
}
void ResourceLoader::preconnect(AK::URL const& url)
{
m_protocol_client->ensure_connection(url, RequestServer::CacheLevel::CreateConnection);
}
static HashMap<LoadRequest, NonnullRefPtr<Resource>> s_resource_cache; static HashMap<LoadRequest, NonnullRefPtr<Resource>> s_resource_cache;
RefPtr<Resource> ResourceLoader::load_resource(Resource::Type type, LoadRequest& request) RefPtr<Resource> ResourceLoader::load_resource(Resource::Type type, LoadRequest& request)

3
Userland/Libraries/LibWeb/Loader/ResourceLoader.h
View file

@ -37,6 +37,9 @@ public:
void load(const AK::URL&, Function<void(ReadonlyBytes, const HashMap<String, String, CaseInsensitiveStringTraits>& response_headers, Optional<u32> status_code)> success_callback, Function<void(const String&, Optional<u32> status_code)> error_callback = nullptr); void load(const AK::URL&, Function<void(ReadonlyBytes, const HashMap<String, String, CaseInsensitiveStringTraits>& response_headers, Optional<u32> status_code)> success_callback, Function<void(const String&, Optional<u32> status_code)> error_callback = nullptr);
void load_sync(LoadRequest&, Function<void(ReadonlyBytes, const HashMap<String, String, CaseInsensitiveStringTraits>& response_headers, Optional<u32> status_code)> success_callback, Function<void(const String&, Optional<u32> status_code)> error_callback = nullptr); void load_sync(LoadRequest&, Function<void(ReadonlyBytes, const HashMap<String, String, CaseInsensitiveStringTraits>& response_headers, Optional<u32> status_code)> success_callback, Function<void(const String&, Optional<u32> status_code)> error_callback = nullptr);
void prefetch_dns(AK::URL const&);
void preconnect(AK::URL const&);
Function<void()> on_load_counter_change; Function<void()> on_load_counter_change;
int pending_loads() const { return m_pending_loads; } int pending_loads() const { return m_pending_loads; }