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script: When using WebRender, keep the DOM-side scroll positions for

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elements with `overflow: scroll` up to date, and take them into account
when doing hit testing.

Closes #11648.
This commit is contained in:
Patrick Walton 2016-06-08 18:46:02 -07:00
parent ce88b8ed30
commit 041cfe6d0a
14 changed files with 259 additions and 47 deletions
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14
components/script/lib.rs
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@ -112,8 +112,9 @@ mod unpremultiplytable;
mod webdriver_handlers;
use dom::bindings::codegen::RegisterBindings;
use js::jsapi::SetDOMProxyInformation;
use js::jsapi::{Handle, JSContext, JSObject, SetDOMProxyInformation};
use std::ptr;
use util::opts;
#[cfg(target_os = "linux")]
#[allow(unsafe_code)]
@ -168,3 +169,14 @@ pub fn init() {
perform_platform_specific_initialization();
}
/// FIXME(pcwalton): Currently WebRender cannot handle DOM-initiated scrolls. Remove this when it
/// can. See PR #11680 for details.
///
/// This function is only marked `unsafe` because the `[Func=foo]` WebIDL attribute requires it. It
/// shouldn't actually do anything unsafe.
#[allow(unsafe_code)]
pub unsafe fn script_can_initiate_scroll(_: *mut JSContext, _: Handle<*mut JSObject>) -> bool {
!opts::get().use_webrender
}