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- Switch from "Mozilla/4.0" to "Mozilla/5.0" to match other browsers.
- Remove references to KHTML and Gecko.
- Identify ourselves as "LibWeb+LibJS/1.0 Browser/1.0"
New UA: "Mozilla/5.0 (SerenityOS; x86_64) LibWeb+LibJS/1.0 Browser/1.0"
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Previously, we'd invoke the load/fail callbacks synchronously for
resources that were already loaded and cached.
This patch uses deferred_invoke() in the already-loaded case to ensure
that we always invoke these callbacks in a consistent manner.
This isn't to fix a specific issue, but rather because I kept seeing
these callbacks being invoked synchronously on top of an already-tall
call stack, and it was hard to reason about what was going on.
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https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#cother-other-default-operation-rules
"The compiler is more likely to get the default semantics right and
you cannot implement these functions better than the compiler."
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This fixes an issue on ACID3 where failing image loads with body content
would still get displayed.
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We now validate that the provided tag names are valid XML tag names,
and otherwise throw an "invalid character" DOM exception.
2% progression on ACID3. :^)
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This necessitated making HTMLParser ref-counted, and having it register
itself with Document when created. That makes it possible for scripts to
add new input at the current parser insertion point.
There is now a reference cycle between Document and HTMLParser. This
cycle is explicitly broken by calling Document::detach_parser() at the
end of HTMLParser::run().
This is a huge progression on ACID3, from 31% to 49%! :^)
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According to Fetch, we must send an Accept header with the value
"text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8"
for document, iframe and frame requests.
https://fetch.spec.whatwg.org/#concept-fetch
Required by uber.com.
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This basically copies some logic from FrameLoader to ImageLoader.
Ideally we'd share this code, but for now let's just get redirected
images to show up. :^)
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Since we were previously relying on Document::set_cookie in order to
set cookies received as a 'Set-Cookie' response header, we would ignore
any response header cookies in redirect (status code 3xx) responses.
While this behaviour is not strictly enforced in the specification,
most major browsers do set cookies in redirect responses, and some
sites (e.g. Cookie Clicker) rely on this behaviour.
Since cookies are stored per-site and not per-document, this behaviour
is achieved by simply decoupling the cookie set mechanism from it.
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As per RFC7231 the Location header field has different meanings for
different response status codes:
For 201 (Created) responses, the Location value refers to the primary
resource created by the request.
For 3xx (Redirection) responses, the Location value refers to the
preferred target resource for automatically redirecting the request.
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Red is a bit more suspicious than green, after all. :^)
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In order to avoid having multiple instances, we were keeping a pointer
to these singleton objects and only allocating them when it was null.
We have `__cxa_guard_{acquire,release}` in the userland, so there's no
need to do this dance, as the compiler will ensure that the constructors
are only called once.
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Apologies for the enormous commit, but I don't see a way to split this
up nicely. In the vast majority of cases it's a simple change. A few
extra places can use TRY instead of manual error checking though. :^)
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This change unfortunately cannot be atomically made without a single
commit changing everything.
Most of the important changes are in LibIPC/Connection.cpp,
LibIPC/ServerConnection.cpp and LibCore/LocalServer.cpp.
The notable changes are:
- IPCCompiler now generates the decode and decode_message functions such
that they take a Core::Stream::LocalSocket instead of the socket fd.
- IPC::Decoder now uses the receive_fd method of LocalSocket instead of
doing system calls directly on the fd.
- IPC::ConnectionBase and related classes now use the Stream API
functions.
- IPC::ServerConnection no longer constructs the socket itself; instead,
a convenience macro, IPC_CLIENT_CONNECTION, is used in place of
C_OBJECT and will generate a static try_create factory function for
the ServerConnection subclass. The subclass is now responsible for
passing the socket constructed in this function to its
ServerConnection base; the socket is passed as the first argument to
the constructor (as a NonnullOwnPtr<Core::Stream::LocalServer>) before
any other arguments.
- The functionality regarding taking over sockets from SystemServer has
been moved to LibIPC/SystemServerTakeover.cpp. The Core::LocalSocket
implementation of this functionality hasn't been deleted due to my
intention of removing this class in the near future and to reduce
noise on this (already quite noisy) PR.
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Add some missing icons to the brower.
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The "completely finish loading" algorithm (from the HTML spec) is
responsible for sending a "load" event to nested browsing context
containers (iframes).
This patch removes the old mechanism for sending "load" events, which we
had mistakenly kept around, causing two events to be sent instead of
one. :^)
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An image document is the synthetic DOM::Document we create to wrap an
image when you open the URL of an image directly in a web view.
The path that creates these documents will now also call out to the
separate ImageDecoder process for the actual decoding work.
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This will allow us to use it in more places around LibWeb.
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Browsing contexts are defined by the HTML specification, so let's move
them into the HTML directory. :^)
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All CSS loading is now done by the relevant classes:
- CSSImportRule, which loads its linked stylesheet
- HTMLStyleElement, which "loads" its contents
- HTMLLinkElement, which loads its linked stylesheet
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Now that `@import` rules load themselves, we don't want to also load
them here.
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This was used in a lot of places, so this patch makes liberal use of
ErrorOr<T>::release_value_but_fixme_should_propagate_errors().
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Previously: CSSImportRule::loaded_style_sheet() (and others) depend on
the definition of class CSSStyleSheet. Meanwhile,
CSSStyleSheet::template for_each_effective_style_rule (and others)
depend on the definition of class CSSImportRule.
This hasn't caused any problems so far because CSSStyleSheet.h happened
to be always included after CSSImportRule.h (in part due to alphabetical
ordering).
However, a compilation unit that (for example) only contains
#include <Userland/Libraries/LibWeb/CSSImportRule.h>
would fail to compile.
This patch resolves this issue by pushing the inline definition of
Web::CSS::CSSStyleSheet::for_each_effective_style_rule and
for_first_not_loaded_import_rule into a different file, and adding the
missing headers.
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This patch makes both of these classes inherit from RefCounted and
Bindings::Wrappable, plus some minimal rejigging to allow us to keep
using them internally while also exposing them to web content.
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In some cases these can be several KiB or more in size, making checking
very slow, and it doesn't make sense to filter them out anyway. This
change speeds up loading pages with large data: urls, which previously
took up to 1ms per byte to process.
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Some sites don't have favicon.ico, so we may get 404 response.
In such cases, ResourceLoader still calls success_callback.
For favicon loading, we are not checking response headers or payload
size.
This will ultimately fail in Gfx::ImageDecoder::try_create().
So avoid unnecessary work by returning early, if data is empty.
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The success callback may trigger JavaScript execution, causing resource
load times to appear much longer than they actually are. :^)
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Previously we were kinda sorta resolving the reference cycle, but let's
just keep the requests in a hashtable instead of relying on hard to
track refcount tricks.
Fixes #7314.
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Some pages use *really* large data URLs. :^)
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Our current way of signalling a missing port with m_port == 0 was
lacking, as 0 is a valid port number in URLs.
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This namespace will be used for all interfaces defined in the URL
specification, like URL and URLSearchParams.
This has the unfortunate side-effect of requiring us to use the fully
qualified AK::URL name whenever we want to refer to the AK class, so
this commit also fixes all such references.
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When debugging why your website isn't loading in LibWeb the
resource loader is a blind spot as we don't have much logging
except on certain error paths. This can lead to confusing situations
where the browser just appears to hang.
This changes attempts to fix that by adding common success and
failure logging handlers so all resource loading outcomes can
are logged.
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This better matches the spec nomenclature. Note that we don't yet
*retrieve* the active document according to spec.
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We already have a base class for frame elements that we call
BrowsingContextContainer. This patch makes BrowsingContext::container()
actually return one of those.
This makes us match the spec names, and also solves a FIXME about having
a shared base for <frame> and <iframe>. (We already had the shared base,
but the pointer we had there wasn't tightly typed enough.)
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This fixes a long-standing bug where the view wouldn't update when
navigating to a new page after looking at the ACID2 test. This happened
because ACID2 actually scrolls the viewport far down. We didn't reset
the scroll position upon navigation, and so the new page thought that
we were still scrolled very far down, and this broke the invalidation
rect calculations.
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