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Makes layout respect <textarea> cols attribute

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This commit is contained in:
Matthew Rasmus 2014-12-12 11:56:54 -08:00
parent 905c30d697
commit 2c7f6076d1
4 changed files with 52 additions and 4 deletions
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24
components/script/dom/htmltextareaelement.rs
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@ -2,7 +2,7 @@
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use dom::attr::{Attr, AttrValue};
use dom::attr::{Attr, AttrValue, UIntAttrValue};
use dom::attr::AttrHelpers;
use dom::bindings::cell::DOMRefCell;
use dom::bindings::codegen::Bindings::EventBinding::EventMethods;
@ -34,6 +34,7 @@ use std::cell::Cell;
pub struct HTMLTextAreaElement {
htmlelement: HTMLElement,
textinput: DOMRefCell<TextInput>,
cols: Cell<u32>,
// https://html.spec.whatwg.org/multipage/forms.html#concept-textarea-dirty
value_changed: Cell<bool>,
@ -49,6 +50,10 @@ pub trait LayoutHTMLTextAreaElementHelpers {
unsafe fn get_value_for_layout(self) -> String;
}
pub trait RawLayoutHTMLTextAreaElementHelpers {
unsafe fn get_cols_for_layout(&self) -> u32;
}
impl LayoutHTMLTextAreaElementHelpers for JS<HTMLTextAreaElement> {
#[allow(unrooted_must_root)]
unsafe fn get_value_for_layout(self) -> String {
@ -56,6 +61,13 @@ impl LayoutHTMLTextAreaElementHelpers for JS<HTMLTextAreaElement> {
}
}
impl RawLayoutHTMLTextAreaElementHelpers for HTMLTextAreaElement {
#[allow(unrooted_must_root)]
unsafe fn get_cols_for_layout(&self) -> u32 {
self.cols.get()
}
}
static DEFAULT_COLS: u32 = 20;
static DEFAULT_ROWS: u32 = 2;
@ -64,6 +76,7 @@ impl HTMLTextAreaElement {
HTMLTextAreaElement {
htmlelement: HTMLElement::new_inherited(HTMLTextAreaElementTypeId, localName, prefix, document),
textinput: DOMRefCell::new(TextInput::new(Multiple, "".to_string())),
cols: Cell::new(DEFAULT_COLS),
value_changed: Cell::new(false),
}
}
@ -186,6 +199,12 @@ impl<'a> VirtualMethods for JSRef<'a, HTMLTextAreaElement> {
node.set_disabled_state(true);
node.set_enabled_state(false);
},
&atom!("cols") => {
match *attr.value() {
UIntAttrValue(_, value) => self.cols.set(value),
_ => panic!("Expected a UIntAttrValue"),
}
},
_ => ()
}
}
@ -203,6 +222,9 @@ impl<'a> VirtualMethods for JSRef<'a, HTMLTextAreaElement> {
node.set_enabled_state(true);
node.check_ancestors_disabled_state_for_form_control();
},
&atom!("cols") => {
self.cols.set(DEFAULT_COLS);
},
_ => ()
}
}