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HTMLTextArea: Implements a dirty value flag
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commit
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1 changed files with 24 additions and 10 deletions
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@ -27,10 +27,15 @@ use dom::virtualmethods::VirtualMethods;
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use servo_util::str::DOMString;
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use string_cache::Atom;
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use std::cell::Cell;
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#[dom_struct]
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pub struct HTMLTextAreaElement {
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htmlelement: HTMLElement,
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textinput: DOMRefCell<TextInput>,
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// https://html.spec.whatwg.org/multipage/forms.html#concept-textarea-dirty
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value_changed: Cell<bool>,
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}
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impl HTMLTextAreaElementDerived for EventTarget {
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@ -55,6 +60,7 @@ impl HTMLTextAreaElement {
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HTMLTextAreaElement {
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htmlelement: HTMLElement::new_inherited(HTMLTextAreaElementTypeId, localName, prefix, document),
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textinput: DOMRefCell::new(TextInput::new(Multiple, "".to_string())),
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value_changed: Cell::new(false),
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}
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}
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@ -125,7 +131,13 @@ impl<'a> HTMLTextAreaElementMethods for JSRef<'a, HTMLTextAreaElement> {
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// https://html.spec.whatwg.org/multipage/forms.html#dom-textarea-defaultvalue
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fn SetDefaultValue(self, value: DOMString) {
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let node: JSRef<Node> = NodeCast::from_ref(self);
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node.SetTextContent(Some(value))
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node.SetTextContent(Some(value));
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// if the element's dirty value flag is false, then the element's
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// raw value must be set to the value of the element's textContent IDL attribute
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if !self.value_changed.get() {
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self.SetValue(node.GetTextContent().unwrap());
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}
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}
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// https://html.spec.whatwg.org/multipage/forms.html#dom-textarea-value
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@ -136,6 +148,7 @@ impl<'a> HTMLTextAreaElementMethods for JSRef<'a, HTMLTextAreaElement> {
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// https://html.spec.whatwg.org/multipage/forms.html#dom-textarea-value
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fn SetValue(self, value: DOMString) {
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self.textinput.borrow_mut().set_content(value);
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self.force_relayout();
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}
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}
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@ -242,16 +255,17 @@ impl<'a> VirtualMethods for JSRef<'a, HTMLTextAreaElement> {
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let doc = document_from_node(*self).root();
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doc.request_focus(ElementCast::from_ref(*self));
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} else if "keydown" == event.Type().as_slice() && !event.DefaultPrevented() {
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let keyevent: Option<JSRef<KeyboardEvent>> = KeyboardEventCast::to_ref(event);
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keyevent.map(|event| {
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match self.textinput.borrow_mut().handle_keydown(event) {
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TriggerDefaultAction => (),
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DispatchInput => {
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self.force_relayout();
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}
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Nothing => (),
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let keyevent: Option<JSRef<KeyboardEvent>> = KeyboardEventCast::to_ref(event);
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keyevent.map(|event| {
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match self.textinput.borrow_mut().handle_keydown(event) {
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TriggerDefaultAction => (),
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DispatchInput => {
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self.force_relayout();
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self.value_changed.set(true);
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}
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});
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Nothing => (),
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}
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});
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}
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}
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}
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