Issue 8719: Add basic support for :active selector
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Added toggling of active state for element and parents on mousedown/mouseup. Active state is removed when mouseout. (hover)
- As with my other PR i'm struggling a bit with the automated testing. I've added a manual test case and found quirks-mode/active-and-hover-manual.html which - aside from also being a manual test, is functional in Firefox but does not render correctly in Servo.
- Not implemented: In Firefox, behaviour differs with a <!DOCTYPE HTML> and an anchor does not lose it's activation on mouseout; whereas a button does.
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Replace return_address usage for rooting with stack guards and convenience macros.
The existing `Rooted` and `RootedVec` users were migrated the the following two macros:
```rust
let x = Rooted::new(cx, value);
// Was changed to:
rooted!(in(cx) let x = value);
// Which expands to:
let mut __root = Rooted::new_unrooted(value);
let x = RootedGuard::new(cx, &mut __root);
```
```rust
let mut v = RootedVec::new();
v.extend(iterator);
// Was changed to:
rooted_vec!(let v <- iterator);
// Which expands to:
let mut __root = RootableVec::new();
let v = RootedVec::new(&mut __root, iterator);
```
The `rooted!` macro depends on servo/rust-mozjs#272.
These APIs based on two types, a container to be rooted and a rooting guard, allow implementing both `Rooted`-style rooting and `Traceable`-based rooting in stable Rust, without abusing `return_address`.
Such macros may have been tried before, but in 1.9 their hygiene is broken, they work only since 1.10.
Sadly, `Rooted` is a FFI type and completely exposed, so I cannot prevent anyone from creating their own, although all fields but the value get overwritten by `RootedGuard::new` anyway.
`RootableVec` OTOH is *guaranteed* to be empty when not rooted, which makes it harmless AFAICT.
By fixing rust-lang/rust#34227, this PR enables Servo to build with `-Zorbit`.
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- [x] These changes do not require tests because they are not functional changes
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Fixed issue #11651 (Do not fire a blur event when calling .focus() on…
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Added check in `HTMLElement.Focus` to avoid requesting focus when the element already has it.
Added check in `Document.commit_focus_transaction` to avoid sending `blur` and `focus` events when clicking on an already focused element.
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Mozbrowser top level browsing context
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Got `window.top` and `window.parent` to return the right result inside a `mozbrowser` iframe.
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Implement meta referrer policy delivery (3)
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Report blank lines that follow an open brace
This automates something that I find myself frequently commenting on in PRs.
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Report use statements that use {} with only one entry
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Remove Document.get_html_element() (fixes#8409)
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Replace uses by calling self.GetDocumentElement(), instead.
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We needed a separate thread in the chrome process because communication to the
compositor is done through a trait object, and cross-process virtual calls are
forbidden.
Also, the fact that these messages are ultimately handled by the compositor is
an implementation detail; conceptually, the relevant constellation is supposed
to handle these messages.
So instead, the script thread will now send the messages to the constellation,
which will ask the compositor to handle them.
Take ScriptThread::compositor out of its RefCell.
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There's no reason for it; IpcSender::send takes &self.
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Adding an animation frame list is now just pushing a new pair onto the vector,
while canceling one is setting its callback to None.
This means we can't send NoAnimationCallbacksPresent anymore to the constellation
when all entries were cancelled, but I'm not sure that's very important anyway.
The good downside of this change is that when running the callbacks, if no
new one was queued during their execution, we can just swap back the original Vec
into the Document in run_the_animation_frame_callbacks, thus reusing the
original allocation.
11158 - add event handlers
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Adding:
* global event handlers,
* window event handlers,
* document and element handlers,
* and support for BeforeUnloadEvent.
Signed-off-by: Piotr Stankiewicz <bionicrift@gmail.com>
Changes include:
- Introduce an IpcSend trait to abstract over a collection of IpcSenders
- Implement ResourceThreads collection to abstract the resource-related
sub threads across the component
- Rename original ResourceThread and ControlMsg into an unifed CoreResource__
to accommodate above changes and avoid confusions
It's a pointless abstraction that propagates the obsolete chan terminology,
swaps the order in which the sender and receiver are returned, and hides a
source of panics.
typical `requestAnimationFrame()` animations.
This skips useless message traffic when `requestAnimationFrame()` is
called during an animation frame callback. It reduces CPU usage of the
following snippet by 49%:
<script>
function foo() {
requestAnimationFrame(foo);
}
</script>
<button onclick="foo()">Start rAF</button>
Partially addresses #9844.