This is the same behavior as RequestServer, with the added benefit that
we know how to gracefully reconnect ImageDecoder to all WebContent
processes on restart.
Using mmap-allocated memory for backing stores does not allow us to
benefit from using GPU-accelerated painting, because all the performance
increase we get is mostly negated by reading the GPU-allocated texture
back into RAM, so it can be shared with the browser process.
With IOSurface, we get a framebuffer that is both shareable between
processes and can be used as underlying memory for an OpenGL/Metal
texture.
This change does not yet benefit from using IOSurface and merely wraps
them into Gfx::Bitmap to be used by the CPU painter.
In the upcoming changes, we are going to switch macOS to using an
IOSurface for the backing store. This change will simplify the process
of sharing an IOSurface between processes because we already have the
MachPortServer running in the browser, and WebContent knows how to
locate the corresponding server.
This patch adds a simple in-memory HTTP cache to each WebContent
process.
It's currently off by default (turn it on with --enable-http-cache)
since the validation logic is lacking and incomplete.
If we get a suggestion from fontconfig, we try those fonts first, before
falling back on the hard coded list of known suitable fonts for each
generic family.
This adds a `--experimental-cpu-transforms` option to Ladybird and
WebContent (which defaults to false/off).
When enabled the AffineCommandExecutorCPU will be used to handle
painting transformed stacking contexts (i.e. stacking contexts where
the transform is something other than a simple translation). The regular
command executor will still handle the non-transformed cases.
This is hidden under a flag as the `AffineCommandExecutorCPU` is very
incomplete now. It missing support for clipping, text, and other basic
commands. Once most common commands have been implemented this flag
will be removed.
It previously resided in LibWebView to hide the details of launching a
singleton process. That functionality now lives in LibCore. By moving
this to Ladybird, we will be able to register the process with the task
manager.
This will be needed to collect statistics from processes that do not
have anything to do with LibWebView. The ProcessInfo structure must be
virtual to allow callers to add application-specific information.
Sometimes I like to play around with running Ladybird tests using full
blown Ladybird instead of just headless browser to interactively mess
around with the test page. One problem with this is that the internals
object is not exposed in this mode.
This commit supports this usecase by adding an option to specifically
expose the internals object without needing to run headless-browser
in test mode.
When launched with the new --enable-idl-tracing option, we now log
every call to web platform APIs declared via IDL, along with the
arguments passed.
This can be very helpful when trying to figure out what a site is
doing, especially if it's not doing what you'd expect.
When running with --log-all-js-exceptions, we will print the message
and backtrace for every single JS exception that is thrown, not just
the ones nobody caught.
This can sometimes be very helpful in debugging sites that swallow
important exceptions.
This URL library ends up being a relatively fundamental base library of
the system, as LibCore depends on LibURL.
This change has two main benefits:
* Moving AK back more towards being an agnostic library that can
be used between the kernel and userspace. URL has never really fit
that description - and is not used in the kernel.
* URL _should_ depend on LibUnicode, as it needs punnycode support.
However, it's not really possible to do this inside of AK as it can't
depend on any external library. This change brings us a little closer
to being able to do that, but unfortunately we aren't there quite
yet, as the code generators depend on LibCore.
After ea682207d0, we need Userland/
included directly in these application executables. This only impacts
the build with Ladybird/CMakeLists.txt as the top level CMakeLists, as
the Lagom/ directory includes Userland/ globally.
Now we will only load resources from $build/share/Lagom. On macOS, we
load from the bundle directory Contents/Resources instead. This
simplifies the commands and environment variables needed to execute
Ladybird from the build directory, and makes our install setup less
awkward for distributions and packagers.
This commit un-deprecates DeprecatedString, and repurposes it as a byte
string.
As the null state has already been removed, there are no other
particularly hairy blockers in repurposing this type as a byte string
(what it _really_ is).
This commit is auto-generated:
$ xs=$(ack -l \bDeprecatedString\b\|deprecated_string AK Userland \
Meta Ports Ladybird Tests Kernel)
$ perl -pie 's/\bDeprecatedString\b/ByteString/g;
s/deprecated_string/byte_string/g' $xs
$ clang-format --style=file -i \
$(git diff --name-only | grep \.cpp\|\.h)
$ gn format $(git ls-files '*.gn' '*.gni')
Pages like the new tab page, error page, etc. all belong solely to
Ladybird, but are scattered across a couple of subfolders in Base. This
moves them all to Base/res/ladybird.
In order for same-origin NavigableContainers (iframe, frame, embed, ...)
and window.open() WindowProxies to have the proper JS access to their
embedder/opener, we need to host multiple top level traversables in the
same WebContent process. As a first step, make WebContent::PageHost hold
a HashMap of PageClient objects, each holding their own Web::Page that
represents a TraversableNavigable's API surface with the UI process.
If PulseAudio is available, the Qt6 audio plugin will never be used. So
let's remove it from the build.
Note that on macOS, the Qt6 audio plugin will be used if the Qt chrome
is enabled. Otherwise, Audio Unit will be used for the AppKit chrome.
This follows the pattern for the other services spawned by WebContent.
The notable quirk about this service is that it's actually spawned by
the ImageCodecPlugin rather than in main.cpp in the non-Android port.
As a result we needed to do some ifdef surgery to get all the pieces
in place. But we can now load images in the Android port again :^).
Instead of relying on AK_OS_LINUX, actually use the more accurate
HAS_ACCELERATED_GRAPHICS define to figure out if we should try to use
the generic LibAccelGfx GPU painter.
This patch brings a service to handle image decompression. With it comes
security enhancement due to the process boundary. Indeed, consequences
of a potential attack is reduced as only the decoder will crash without
perturbing the WebContent process.
It also allows us to display pages containing images that we claim to
support but still make us crash, like for not-finished-yet decoders.
As an example, we can now load https://jpegxl.info/jxl-art.html without
crashing the WebContent process.
Add a RequestServerService class that uses the LadybirdServiceBase class
added previously. Bind to it from the WebContentService's service_main()
during startup.
Create LadybirdServiceBase to hold the standard "set resource dir" and
"init ipc sockets" service functionality that will be common between the
WebContent, RequestServer, and WebSocket services.
Refactor the handler class slightly to avoid the HandlerLeak lint by
making the class a static class inside the companion object and use a
WeakReference to the service instead of a strong one.
Timers run in their own thread, to take advantage of existing Java
Executor features. By hooking into ALooper, we can spin the main
Activity's UI thread event loop without causing a fuss, or spinning the
CPU by just polling our event loop constantly.
This will let us spawn a new process for an Android Service to handle
all our WebContent needs. The ServiceConnection is manged by each
WebView. The lifecycle of the Service is not quite clear yet, but each
bindService call will get a unique Messenger that can be used to
transfer the WebContent side of the LibIPC socketpair we use in other
ports.
