/* 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 http://mozilla.org/MPL/2.0/. */

//! States elements can be in.

bitflags! {
    /// Event-based element states.
    ///
    /// NB: Is important for this to remain in sync with Gecko's
    /// dom/events/EventStates.h.
    ///
    /// Please keep in that order in order for this to be easily auditable.
    ///
    /// TODO(emilio): We really really want to use the NS_EVENT_STATE bindings
    /// for this.
    #[cfg_attr(feature = "servo", derive(HeapSizeOf))]
    pub flags ElementState: u64 {
        /// The mouse is down on this element.
        /// https://html.spec.whatwg.org/multipage/#selector-active
        /// FIXME(#7333): set/unset this when appropriate
        const IN_ACTIVE_STATE = 1 << 0,
        /// This element has focus.
        /// https://html.spec.whatwg.org/multipage/#selector-focus
        const IN_FOCUS_STATE = 1 << 1,
        /// The mouse is hovering over this element.
        /// https://html.spec.whatwg.org/multipage/#selector-hover
        const IN_HOVER_STATE = 1 << 2,
        /// Content is enabled (and can be disabled).
        /// http://www.whatwg.org/html/#selector-enabled
        const IN_ENABLED_STATE = 1 << 3,
        /// Content is disabled.
        /// http://www.whatwg.org/html/#selector-disabled
        const IN_DISABLED_STATE = 1 << 4,
        /// Content is checked.
        /// https://html.spec.whatwg.org/multipage/#selector-checked
        const IN_CHECKED_STATE = 1 << 5,
        /// https://html.spec.whatwg.org/multipage/#selector-indeterminate
        const IN_INDETERMINATE_STATE = 1 << 6,
        /// https://html.spec.whatwg.org/multipage/#selector-placeholder-shown
        const IN_PLACEHOLDER_SHOWN_STATE = 1 << 7,
        /// https://html.spec.whatwg.org/multipage/#selector-target
        const IN_TARGET_STATE = 1 << 8,
        /// https://fullscreen.spec.whatwg.org/#%3Afullscreen-pseudo-class
        const IN_FULLSCREEN_STATE = 1 << 9,
        /// https://html.spec.whatwg.org/multipage/#selector-valid
        const IN_VALID_STATE = 1 << 10,
        /// https://html.spec.whatwg.org/multipage/#selector-invalid
        const IN_INVALID_STATE = 1 << 11,
        /// Non-standard: https://developer.mozilla.org/en-US/docs/Web/CSS/:-moz-ui-valid
        const IN_MOZ_UI_VALID_STATE = 1 << 12,
        /// Non-standard: https://developer.mozilla.org/en-US/docs/Web/CSS/:-moz-ui-invalid
        const IN_MOZ_UI_INVALID_STATE = 1 << 13,
        /// Non-standard: https://developer.mozilla.org/en-US/docs/Web/CSS/:-moz-broken
        const IN_BROKEN_STATE = 1 << 14,
        /// Non-standard: https://developer.mozilla.org/en-US/docs/Web/CSS/:-moz-user-disabled
        const IN_USER_DISABLED_STATE = 1 << 15,
        /// Non-standard: https://developer.mozilla.org/en-US/docs/Web/CSS/:-moz-suppressed
        const IN_SUPPRESSED_STATE = 1 << 16,
        /// Non-standard: https://developer.mozilla.org/en-US/docs/Web/CSS/:-moz-loading
        const IN_LOADING_STATE = 1 << 17,
        /// Non-standard: https://developer.mozilla.org/en-US/docs/Web/CSS/:-moz-handler-blocked
        const IN_HANDLER_BLOCKED_STATE = 1 << 18,
        /// Non-standard: https://developer.mozilla.org/en-US/docs/Web/CSS/:-moz-handler-disabled
        const IN_HANDLER_DISABLED_STATE = 1 << 19,
        /// Non-standard: https://developer.mozilla.org/en-US/docs/Web/CSS/:-moz-handler-crashed
        const IN_HANDLER_CRASHED_STATE = 1 << 20,
        /// https://html.spec.whatwg.org/multipage/#selector-required
        const IN_REQUIRED_STATE = 1 << 21,
        /// https://html.spec.whatwg.org/multipage/#selector-optional
        const IN_OPTIONAL_STATE = 1 << 22,
        /// https://html.spec.whatwg.org/multipage/#selector-read-write
        const IN_READ_WRITE_STATE = 1 << 22,
        /// Non-standard: Older custom-elements spec.
        const IN_UNRESOLVED_STATE = 1 << 23,
        /// https://html.spec.whatwg.org/multipage/#selector-visited
        const IN_VISITED_STATE = 1 << 24,
        /// https://html.spec.whatwg.org/multipage/#selector-link
        const IN_UNVISITED_STATE = 1 << 25,
        /// https://drafts.csswg.org/selectors-4/#the-any-link-pseudo
        const IN_VISITED_OR_UNVISITED_STATE = IN_VISITED_STATE.bits | IN_UNVISITED_STATE.bits,
        /// Non-standard: https://developer.mozilla.org/en-US/docs/Web/CSS/:-moz-drag-over
        const IN_DRAGOVER_STATE = 1 << 26,
        /// https://html.spec.whatwg.org/multipage/#selector-in-range
        const IN_INRANGE_STATE = 1 << 27,
        /// https://html.spec.whatwg.org/multipage/#selector-out-of-range
        const IN_OUTOFRANGE_STATE = 1 << 28,
        /// https://html.spec.whatwg.org/multipage/#selector-read-only
        const IN_MOZ_READONLY_STATE = 1 << 29,
        /// https://html.spec.whatwg.org/multipage/#selector-read-write
        const IN_MOZ_READWRITE_STATE = 1 << 30,
        /// https://html.spec.whatwg.org/multipage/#selector-default
        const IN_DEFAULT_STATE = 1 << 31,
        /// Non-standard: https://developer.mozilla.org/en-US/docs/Web/CSS/:-moz-submit-invalid
        const IN_MOZ_SUBMITINVALID_STATE = 1 << 32,
        /// Non-standard & undocumented.
        const IN_OPTIMUM_STATE = 1 << 33,
        /// Non-standard & undocumented.
        const IN_SUB_OPTIMUM_STATE = 1 << 34,
        /// Non-standard & undocumented.
        const IN_SUB_SUB_OPTIMUM_STATE = 1 << 35,
        /// Non-standard & undocumented.
        const IN_DEVTOOLS_HIGHLIGHTED_STATE = 1 << 36,
        /// Non-standard & undocumented.
        const IN_STYLEEDITOR_TRANSITIONING_STATE = 1 << 37,
        /// Non-standard & undocumented.
        const IN_INCREMENT_SCRIPT_LEVEL_STATE = 1 << 38,
        /// Non-standard: https://developer.mozilla.org/en-US/docs/Web/CSS/:-moz-focusring
        const IN_FOCUSRING_STATE = 1 << 39,
        /// Non-standard & undocumented.
        const IN_HANDLER_CLICK_TO_PLAY_STATE = 1 << 40,
        /// Non-standard & undocumented.
        const IN_HANDLER_VULNERABLE_UPDATABLE_STATE = 1 << 41,
        /// Non-standard & undocumented.
        const IN_HANDLER_VULNERABLE_NO_UPDATE_STATE = 1 << 42,
        /// https://drafts.csswg.org/selectors-4/#the-focus-within-pseudo
        const IN_FOCUS_WITHIN_STATE = 1 << 43,
        /// :dir matching; the states are used for dynamic change detection.
        /// State that elements that match :dir(ltr) are in.
        const IN_LTR_STATE = 1 << 44,
        /// State that elements that match :dir(rtl) are in.
        const IN_RTL_STATE = 1 << 45,
        /// State that HTML elements that have a "dir" attr are in.
        const IN_HAS_DIR_ATTR_STATE = 1 << 46,
        /// State that HTML elements with dir="ltr" (or something
        /// case-insensitively equal to "ltr") are in.
        const IN_HAS_DIR_ATTR_LTR_STATE = 1 << 47,
        /// State that HTML elements with dir="rtl" (or something
        /// case-insensitively equal to "rtl") are in.
        const IN_HAS_DIR_ATTR_RTL_STATE = 1 << 48,
        /// State that HTML <bdi> elements without a valid-valued "dir" attr or
        /// any HTML elements (including <bdi>) with dir="auto" (or something
        /// case-insensitively equal to "auto") are in.
        const IN_HAS_DIR_ATTR_LIKE_AUTO_STATE = 1 << 49,
        /// Non-standard & undocumented.
        const IN_AUTOFILL_STATE = 1 << 50,
        /// Non-standard & undocumented.
        const IN_AUTOFILL_PREVIEW_STATE = 1 << 51,
    }
}

bitflags! {
    /// Event-based document states.
    ///
    /// NB: Is important for this to remain in sync with Gecko's
    /// dom/base/nsIDocument.h.
    pub flags DocumentState: u64 {
        /// RTL locale: specific to the XUL localedir attribute
        const NS_DOCUMENT_STATE_RTL_LOCALE = 1 << 0,
        /// Window activation status
        const NS_DOCUMENT_STATE_WINDOW_INACTIVE = 1 << 1,
    }
}
