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Move unsafe code out of <LayoutDom<HTMLTextAreaElement>>::value_for_layout

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This commit is contained in:
Anthony Ramine 2020-04-01 00:02:37 +02:00
parent f8af8176de
commit 4636507fa1
1 changed files with 19 additions and 10 deletions
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29
components/script/dom/htmltextareaelement.rs
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@ -59,32 +59,41 @@ pub trait LayoutHTMLTextAreaElementHelpers {
fn value_for_layout(self) -> String;
#[allow(unsafe_code)]
unsafe fn selection_for_layout(self) -> Option<Range<usize>>;
#[allow(unsafe_code)]
fn get_cols(self) -> u32;
#[allow(unsafe_code)]
fn get_rows(self) -> u32;
}
impl LayoutHTMLTextAreaElementHelpers for LayoutDom<'_, HTMLTextAreaElement> {
#[allow(unsafe_code)]
fn value_for_layout(self) -> String {
let text = unsafe {
#[allow(unsafe_code)]
impl<'dom> LayoutDom<'dom, HTMLTextAreaElement> {
fn textinput_content(self) -> DOMString {
unsafe {
self.unsafe_get()
.textinput
.borrow_for_layout()
.get_content()
};
}
}
fn placeholder(self) -> &'dom str {
unsafe { self.unsafe_get().placeholder.borrow_for_layout() }
}
}
impl LayoutHTMLTextAreaElementHelpers for LayoutDom<'_, HTMLTextAreaElement> {
fn value_for_layout(self) -> String {
let text = self.textinput_content();
if text.is_empty() {
let placeholder = unsafe { self.unsafe_get().placeholder.borrow_for_layout() };
// FIXME(nox): Would be cool to not allocate a new string if the
// placeholder is single line, but that's an unimportant detail.
placeholder.replace("\r\n", "\n").replace("\r", "\n").into()
self.placeholder()
.replace("\r\n", "\n")
.replace("\r", "\n")
.into()
} else {
text.into()
}
}
#[allow(unrooted_must_root)]
#[allow(unsafe_code)]
unsafe fn selection_for_layout(self) -> Option<Range<usize>> {
if !(*self.unsafe_get()).upcast::<Element>().focus_state() {