servo/components/script/dom/validitystate.rs

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */

use crate::dom::bindings::codegen::Bindings::ValidityStateBinding;
use crate::dom::bindings::codegen::Bindings::ValidityStateBinding::ValidityStateMethods;
use crate::dom::bindings::reflector::{reflect_dom_object, Reflector};
use crate::dom::bindings::root::{Dom, DomRoot};
use crate::dom::element::Element;
use crate::dom::window::Window;
use dom_struct::dom_struct;

// https://html.spec.whatwg.org/multipage/#validity-states
#[derive(JSTraceable, MallocSizeOf)]
#[allow(dead_code)]
pub enum ValidityStatus {
    ValueMissing,
    TypeMismatch,
    PatternMismatch,
    TooLong,
    TooShort,
    RangeUnderflow,
    RangeOverflow,
    StepMismatch,
    BadInput,
    CustomError,
    Valid,
}

bitflags! {
    pub struct ValidationFlags: u32 {
        const VALUE_MISSING    = 0b0000000001;
        const TYPE_MISMATCH    = 0b0000000010;
        const PATTERN_MISMATCH = 0b0000000100;
        const TOO_LONG         = 0b0000001000;
        const TOO_SHORT        = 0b0000010000;
        const RANGE_UNDERFLOW  = 0b0000100000;
        const RANGE_OVERFLOW   = 0b0001000000;
        const STEP_MISMATCH    = 0b0010000000;
        const BAD_INPUT        = 0b0100000000;
        const CUSTOM_ERROR     = 0b1000000000;
    }
}

// https://html.spec.whatwg.org/multipage/#validitystate
#[dom_struct]
pub struct ValidityState {
    reflector_: Reflector,
    element: Dom<Element>,
    state: ValidityStatus,
}

impl ValidityState {
    fn new_inherited(element: &Element) -> ValidityState {
        ValidityState {
            reflector_: Reflector::new(),
            element: Dom::from_ref(element),
            state: ValidityStatus::Valid,
        }
    }

    pub fn new(window: &Window, element: &Element) -> DomRoot<ValidityState> {
        reflect_dom_object(
            Box::new(ValidityState::new_inherited(element)),
            window,
            ValidityStateBinding::Wrap,
        )
    }
}

impl ValidityStateMethods for ValidityState {
    // https://html.spec.whatwg.org/multipage/#dom-validitystate-valuemissing
    fn ValueMissing(&self) -> bool {
        false
    }

    // https://html.spec.whatwg.org/multipage/#dom-validitystate-typemismatch
    fn TypeMismatch(&self) -> bool {
        false
    }

    // https://html.spec.whatwg.org/multipage/#dom-validitystate-patternmismatch
    fn PatternMismatch(&self) -> bool {
        false
    }

    // https://html.spec.whatwg.org/multipage/#dom-validitystate-toolong
    fn TooLong(&self) -> bool {
        false
    }

    // https://html.spec.whatwg.org/multipage/#dom-validitystate-tooshort
    fn TooShort(&self) -> bool {
        false
    }

    // https://html.spec.whatwg.org/multipage/#dom-validitystate-rangeunderflow
    fn RangeUnderflow(&self) -> bool {
        false
    }

    // https://html.spec.whatwg.org/multipage/#dom-validitystate-rangeoverflow
    fn RangeOverflow(&self) -> bool {
        false
    }

    // https://html.spec.whatwg.org/multipage/#dom-validitystate-stepmismatch
    fn StepMismatch(&self) -> bool {
        false
    }

    // https://html.spec.whatwg.org/multipage/#dom-validitystate-badinput
    fn BadInput(&self) -> bool {
        false
    }

    // https://html.spec.whatwg.org/multipage/#dom-validitystate-customerror
    fn CustomError(&self) -> bool {
        false
    }

    // https://html.spec.whatwg.org/multipage/#dom-validitystate-valid
    fn Valid(&self) -> bool {
        false
    }
}