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This is a follow up to #2936 / d3e3b4ae56aa79d9bde12ca1f143dcf116f89a4c.
Affected programs:
- Applications: Browser (Download, View source, Inspect DOM tree, JS
console), Terminal (Settings)
- Demos: Cube, Eyes, Fire, HelloWorld, LibGfxDemo, WebView,
WidgetGallery
- DevTools: HackStudio, Inspector, Profiler
- Games: 2048, Minesweeper, Snake, Solitaire
- Userland: test-web
A few have been left out where manual positioning is done on purpose,
e.g. ClipboardManager (to be close to the menu bar) or VisualBuilder (to
preserve alignment of the multiple application windows).
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You can now react to links being clicked via the on_link_click hook.
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Also add a little GUI::StatusBar to the demo app so we can see the
hovered link URL's live. :^)
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This removes the remaining flicker in the WebContentView widget and
makes it feel pretty good to use it. :^)
The increase in memory use is something we'll have to address in the
future with more sophisticated solutions like tiling, etc.
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The WebContentView widget will now be able to react to scroll-into-view
requests from the WebContent process.
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After adding the scrolling feature, content available space reduced and
thus the bitmap size was always larger, than the inner size.
This lead to the horizontal scrollbar always beeing engaged.
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WebContentView now fires its on_title_change hook, like Web::PageView.
We use this in the WebView test app to update the window title. :^)
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The WebContentView widget now passes content space coordinates along
with the various mouse events. :^)
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The WebContentView widget now inherits from GUI::ScrollableWidget and
will pass its scroll offset over to the WebContent process as it's
changing. This is not super efficient and can get a bit laggy, but it
will do fine as an initial scrolling implementation.
Just like the single-process Web::PageView widget, WebContentView also
paints scrolled content by translating the Gfx::Painter.
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The WebContentView widgets reacts to this by requesting a repaint.
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Having this on the stack makes whole-program teardown iffy. Turning it
into a Core::Object allows anyone who needs it to extends its lifetime.
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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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Just send the incoming mouse events across to the other side and let
LibWeb deal with them. :^)
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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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