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Small typo that I noticed on the latest OS hacking video!
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The new ImageDecoder service (available for members of "image" via
/tmp/portal/image) allows you to decode images in a separate process.
This will allow programs to confidently load untrusted images, since
the bulk of the security concerns are sandboxed to a separate process.
The only API right now is a synchronous IPC DecodeImage() call that
takes a shbuf with encoded image data and returns a shared buffer and
metadata for the decoded image.
It also comes with a very simple library for interfacing with the
ImageDecoder service: LibImageDecoderClient. The name is a bit of a
mouthful but I guess we can rename it later if we think of something
nicer to call it.
There's obviously a bit of overhead to spawning a separate process
for every image decode, so this is mostly only appropriate for
untrusted images (e.g stuff downloaded from the web) and not necessary
for trusted local images (e.g stuff in /res)
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Port the WebContent service to the new MultiInstance mechanism that
Sergey added. This means that every new WebContentView gets its very
own segregated WebContent process.
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New message to query window maximized state.
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"Paint" matches what we call this in the rest of the system. Let's not
confuse things by mixing paint/render/draw all the time. I'm guilty of
this in more places..
Also rename RenderingContext => PaintContext.
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CSS defines a very specific paint order. This patch starts steering us
towards respecting that by introducing the PaintPhase enum with values:
- Background
- Border
- Foreground
- Overlay (internal overlays used by inspector)
Basically, to get the right visual result, we have to render the page
multiple times, going one phase at a time.
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After layout, we may want to repaint the page, so we now listen for the
PageClient::page_did_invalidate() notification and use it to drive a
client-side repaint.
Note that an invalidation request from LibWeb makes a full roundtrip
to the WebContent client and back since the client drives painting.
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The "WebContent" service provides a very restricted instance of LibWeb
running as an unprivileged user account. This will be used to implement
process separation in Browser, among other things.
This first cut of the service only spawns a single WebContent process
when someone connects to /tmp/portal/webcontent. We will soon switch
this over to spawning a new process for each connection.
Since this feature is very immature, we'll be bringing it up inside of
Demos/WebView as a separate demo program. Eventually this will become
a reusable widget that anyone can embed and easily get out-of-process
web content in their GUI.
This is pretty, pretty cool! :^)
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We were getting a little overly memey in some places, so let's scale
things back to business-casual.
Informal language is fine in comments, commits and debug logs,
but let's keep the runtime nice and presentable. :^)
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Replace u8 data type width u32. Remove character property from event and add code_point property for represent UTF-8 character.
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Clients now receive HTTP status codes like 200, 404, etc.
Note that a 404 with content is still considered a "successful"
download from ProtocolServer's perspective. It's up to the client
to interpret the status code.
I'm not sure if this is the best API, but it'll work for now.
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Instead of always running the responsiveness timer for IPC clients,
we now only start it after sending a message. This avoids waking up
otherwise idle clients to do ping/pong busywork.
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- Parsing invalid JSON no longer asserts
Instead of asserting when coming across malformed JSON,
JsonParser::parse now returns an Optional<JsonValue>.
- Disallow trailing commas in JSON objects and arrays
- No longer parse 'undefined', as that is a purely JS thing
- No longer allow non-whitespace after anything consumed by the initial
parse() call. Examples of things that were valid and no longer are:
- undefineddfz
- {"foo": 1}abcd
- [1,2,3]4
- JsonObject.for_each_member now iterates in original insertion order
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And moved everything to AudioServer namespace
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IPC::ClientConnection now tracks the time since the last time we got
a message from the client and calls a virtual function on itself after
3 seconds: may_have_become_unresponsive().
Subclasses of ClientConnection can then react to this if they like.
We use this mechanism in WindowServer to send out a friendly Ping
message to the client. If he doesn't Pong within 1 second, we mark
the client as "unresponsive" and recompose all of his windows with
a darkened appearance and amended title until he Pongs us.
This is a little on the aggressive side and we should figure out a way
to wake up less often. Perhaps this could only be done to windows the
user is currently interacting with, for example.
Anyways, this is pretty cool! :^)
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This fits nicer with FloatRect,FloatPoint,FloatSize and gives a much
better visual clue about what type of metric is being used.
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You can now ask SystemServer to not only listen for connections on the socket,
but to actually accept them, and to spawn an instance of the service for each
client connection. In this case, it's the accepted, not listening, socket that
the service processes will receive using socket takeover.
This mode obviously requires the service to be a multi-instance service.
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For this kind of services, there's no single PID of a running instance;
there may be multiple, or no instances of the service running at any time.
No keepalive functionality is available in this mode, since "alive" doesn't
make sense for multi-instance services.
At the moment, there's no way to actually create multiple instances of
a service; this is going to be added in the next commit.
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If one fails, it's now easier to see which one it is.
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100% of the time I activated this shortcut, I did not want to activate
this shortcut.
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If a window in the taskbar has progress, we'll now draw that progress
in the form of a progress bar behind the window title on the taskbar
button for the window.
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Each window now has an associated progress integer that can be updated
via the SetWindowProgress IPC call.
This can be used by clients to indicate the progress of ongoing tasks.
Any number in the range 0 through 100 indicate a progress percentage.
Any other number means "no progress"
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.. and make travis run it.
I renamed check-license-headers.sh to check-style.sh and expanded it so
that it now also checks for the presence of "#pragma once" in .h files.
It also checks the presence of a (single) blank line above and below the
"#pragma once" line.
I also added "#pragma once" to all the files that need it: even the ones
we are not check.
I also added/removed blank lines in order to make the script not fail.
I also ran clang-format on the files I modified.
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Stopping means the client no longer cares about the download, so we
should just forget about it in the server.
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Now that we have SystemServer that can (re)spawn the Shell, we don't need a
separate server just for that.
The two shells (on tty0 and tty1) are configured to only be started when booting
in text mode. This means you can now simply say boot_mode=text on the kernel
command line, and SystemServer will set up the system and spawn a comfy root
shell for you :^)
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SystemServer will now look at the boot mode, as specified on the kernel command
line, and only launch the services configured for that boot mode.
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And move canonicalized_path() to a static method on LexicalPath.
This is to make it clear that FileSystemPath/canonicalized_path() only
perform *lexical* canonicalization.
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* In some cases, we can first call sigaction()/signal(), then *not* pledge
sigaction.
* In other cases, we pledge sigaction at first, call sigaction()/signal()
second, then pledge again, this time without sigaction.
* In yet other cases, we keep the sigaction pledge. I suppose these could all be
migrated to drop it or not pledge it at all, if somebody is interested in
doing that.
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Or any other window that globally tracks the mouse cursor.
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You can now pass a dictionary of request headers when starting a new
download in ProtocolServer.
The HTTP and HTTPS protocol will include the headers in their requests.
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Instead, we now tell Windows to invalidate themselves. Window will then
pass on the requests to Compositor.
My basic idea here is that WindowManager should do window management,
dealing with incoming events, moving, resizing, etc. Compositor should
deal with painting the window stack in the right order with the least
amount of effort. :^)
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Full-screen mode is pleasantly exclusive, so we only need to send the
incoming mouse events to the active full-screen window.
This fixes an issue where clicking on the area normally covered by
the menubar while in full-screen mode would not send mouse events to
the full-screen window.
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Normally we walk the window stack to see if a given dirty rect is
covered by an opaque window. When the active window is full-screened,
we can skip this check and just unconditionally paint the window.
This fixes an issue where windows with higher inherent z-order (like
the taskbar and menu windows) would get cursor ghosting in them while
a normal window was full-screened.
Fixes #2289.
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Previously opening the shutdown dialog and cancelling out of it would
cause SystemMenu to exit due to the exit-when-there-are-no-more-windows
mechanism in GUI::Application. Fix this by opting out of it.
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It looked a little silly with all of the callers saying wm.wm
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It's a little sad having two diferent versions of this function, but I
don't know of any better way to do it. This also gets rid of some const
casts down the line.
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known handler
Adds metadata about apps for what file types and protocols they can
handle, then consumes that in the LaunchServer. The LaunchServer can
then use that to offer multiple options for what apps can open a given
URL. Callers can then pass back the handler name to the LaunchServer to
use an alternate app :)
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This also sets Content-Type to whatever 'meta' contains on success, to
allow the browser to pick up what the document contains.
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