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c7ccd24b1c
The plan is to apply this internal pseudo-selector during construction of print selection subtree - Currently, every node outside of the selection is deleted, but elements outside of the selection would have this pseudo-selector applied instead. In the UA stylesheet, we ensure that elements matching this pseudo-class have `display: none` applied. This change would make print selection behave more consistently by preserving matching for tree-structural pseudo-classes; however, the main reason for this change is to allow the copied document for print selection can preserve the relation between every `<style>` node and `Stylesheet`, which is required for `@scope` with implicit scope to behave properly (As the implicit scope root is defined as the parent of the style node). Without this change, attempting to preserve relations between `<style>` and `Stylesheet` would result in having all stylesheets deleted because `<style>` nodes are never selected, and thus deleted, then causing the deletion of the stylesheet. Differential Revision: https://phabricator.services.mozilla.com/D255164
182 lines
8.7 KiB
Rust
182 lines
8.7 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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//! DOM types to be shared between Rust and C++.
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use bitflags::bitflags;
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use malloc_size_of::malloc_size_of_is_0;
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pub const HEADING_LEVEL_OFFSET: usize = 52;
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bitflags! {
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/// Event-based element states.
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#[repr(C)]
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#[derive(Clone, Copy, Debug, Eq, PartialEq)]
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pub struct ElementState: u64 {
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/// The mouse is down on this element.
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/// <https://html.spec.whatwg.org/multipage/#selector-active>
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/// FIXME(#7333): set/unset this when appropriate
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const ACTIVE = 1 << 0;
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/// This element has focus.
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/// <https://html.spec.whatwg.org/multipage/#selector-focus>
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const FOCUS = 1 << 1;
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/// The mouse is hovering over this element.
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/// <https://html.spec.whatwg.org/multipage/#selector-hover>
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const HOVER = 1 << 2;
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/// Content is enabled (and can be disabled).
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/// <http://www.whatwg.org/html/#selector-enabled>
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const ENABLED = 1 << 3;
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/// Content is disabled.
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/// <http://www.whatwg.org/html/#selector-disabled>
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const DISABLED = 1 << 4;
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/// Content is checked.
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/// <https://html.spec.whatwg.org/multipage/#selector-checked>
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const CHECKED = 1 << 5;
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/// <https://html.spec.whatwg.org/multipage/#selector-indeterminate>
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const INDETERMINATE = 1 << 6;
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/// <https://html.spec.whatwg.org/multipage/#selector-placeholder-shown>
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const PLACEHOLDER_SHOWN = 1 << 7;
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/// <https://html.spec.whatwg.org/multipage/#selector-target>
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const URLTARGET = 1 << 8;
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/// <https://fullscreen.spec.whatwg.org/#%3Afullscreen-pseudo-class>
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const FULLSCREEN = 1 << 9;
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/// <https://html.spec.whatwg.org/multipage/#selector-valid>
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const VALID = 1 << 10;
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/// <https://html.spec.whatwg.org/multipage/#selector-invalid>
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const INVALID = 1 << 11;
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/// <https://drafts.csswg.org/selectors-4/#user-valid-pseudo>
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const USER_VALID = 1 << 12;
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/// <https://drafts.csswg.org/selectors-4/#user-invalid-pseudo>
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const USER_INVALID = 1 << 13;
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/// All the validity bits at once.
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const VALIDITY_STATES = Self::VALID.bits() | Self::INVALID.bits() | Self::USER_VALID.bits() | Self::USER_INVALID.bits();
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/// Non-standard: https://developer.mozilla.org/en-US/docs/Web/CSS/:-moz-broken
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const BROKEN = 1 << 14;
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/// <https://html.spec.whatwg.org/multipage/#selector-required>
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const REQUIRED = 1 << 15;
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/// <https://html.spec.whatwg.org/multipage/#selector-optional>
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/// We use an underscore to workaround a silly windows.h define.
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const OPTIONAL_ = 1 << 16;
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/// <https://html.spec.whatwg.org/multipage/#selector-defined>
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const DEFINED = 1 << 17;
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/// <https://html.spec.whatwg.org/multipage/#selector-visited>
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const VISITED = 1 << 18;
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/// <https://html.spec.whatwg.org/multipage/#selector-link>
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const UNVISITED = 1 << 19;
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/// <https://drafts.csswg.org/selectors-4/#the-any-link-pseudo>
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const VISITED_OR_UNVISITED = Self::VISITED.bits() | Self::UNVISITED.bits();
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/// Non-standard: https://developer.mozilla.org/en-US/docs/Web/CSS/:-moz-drag-over
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const DRAGOVER = 1 << 20;
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/// <https://html.spec.whatwg.org/multipage/#selector-in-range>
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const INRANGE = 1 << 21;
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/// <https://html.spec.whatwg.org/multipage/#selector-out-of-range>
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const OUTOFRANGE = 1 << 22;
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/// <https://html.spec.whatwg.org/multipage/#selector-read-only>
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const READONLY = 1 << 23;
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/// <https://html.spec.whatwg.org/multipage/#selector-read-write>
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const READWRITE = 1 << 24;
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/// <https://html.spec.whatwg.org/multipage/#selector-default>
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const DEFAULT = 1 << 25;
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/// Non-standard & undocumented.
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const OPTIMUM = 1 << 26;
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/// Non-standard & undocumented.
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const SUB_OPTIMUM = 1 << 27;
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/// Non-standard & undocumented.
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const SUB_SUB_OPTIMUM = 1 << 28;
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/// All the above <meter> bits in one place.
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const METER_OPTIMUM_STATES = Self::OPTIMUM.bits() | Self::SUB_OPTIMUM.bits() | Self::SUB_SUB_OPTIMUM.bits();
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/// Non-standard & undocumented.
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const INCREMENT_SCRIPT_LEVEL = 1 << 29;
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/// <https://drafts.csswg.org/selectors-4/#the-focus-visible-pseudo>
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const FOCUSRING = 1 << 30;
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/// <https://drafts.csswg.org/selectors-4/#the-focus-within-pseudo>
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const FOCUS_WITHIN = 1u64 << 31;
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/// :dir matching; the states are used for dynamic change detection.
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/// State that elements that match :dir(ltr) are in.
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const LTR = 1u64 << 32;
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/// State that elements that match :dir(rtl) are in.
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const RTL = 1u64 << 33;
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/// State that HTML elements that have a "dir" attr are in.
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const HAS_DIR_ATTR = 1u64 << 34;
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/// State that HTML elements with dir="ltr" (or something
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/// case-insensitively equal to "ltr") are in.
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const HAS_DIR_ATTR_LTR = 1u64 << 35;
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/// State that HTML elements with dir="rtl" (or something
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/// case-insensitively equal to "rtl") are in.
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const HAS_DIR_ATTR_RTL = 1u64 << 36;
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/// State that HTML <bdi> elements without a valid-valued "dir" attr or
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/// any HTML elements (including <bdi>) with dir="auto" (or something
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/// case-insensitively equal to "auto") are in.
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const HAS_DIR_ATTR_LIKE_AUTO = 1u64 << 37;
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/// Non-standard & undocumented.
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const AUTOFILL = 1u64 << 38;
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/// Non-standard & undocumented.
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const AUTOFILL_PREVIEW = 1u64 << 39;
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/// State for modal elements:
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/// <https://drafts.csswg.org/selectors-4/#modal-state>
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const MODAL = 1u64 << 40;
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/// <https://html.spec.whatwg.org/multipage/#inert-subtrees>
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const INERT = 1u64 << 41;
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/// State for the topmost modal element in top layer
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const TOPMOST_MODAL = 1u64 << 42;
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/// Initially used for the devtools highlighter, but now somehow only
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/// used for the devtools accessibility inspector.
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const DEVTOOLS_HIGHLIGHTED = 1u64 << 43;
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/// Used for the devtools style editor. Probably should go away.
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const STYLEEDITOR_TRANSITIONING = 1u64 << 44;
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/// For :-moz-value-empty (to show widgets like the reveal password
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/// button or the clear button).
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const VALUE_EMPTY = 1u64 << 45;
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/// For :-moz-revealed.
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const REVEALED = 1u64 << 46;
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/// https://html.spec.whatwg.org/#selector-popover-open
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/// Match element's popover visibility state of showing
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const POPOVER_OPEN = 1u64 << 47;
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/// https://drafts.csswg.org/css-scoping-1/#the-has-slotted-pseudo
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/// Match whether a slot element has assigned nodes
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const HAS_SLOTTED = 1u64 << 48;
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/// https://drafts.csswg.org/selectors-4/#open-state
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/// Match whether an openable element is currently open
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const OPEN = 1u64 << 49;
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/// For :active-view-transition.
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/// <https://www.w3.org/TR/css-view-transitions-2/#the-active-view-transition-pseudo>
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const ACTIVE_VIEW_TRANSITION = 1u64 << 50;
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/// For :-moz-suppress-for-print-selection.
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const SUPPRESS_FOR_PRINT_SELECTION = 1u64 << 51;
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/// https://drafts.csswg.org/selectors-5/#headings
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/// These 4 bits are used to pack the elements heading level into the element state
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/// Heading levels can be from 1-9 so 4 bits allows us to express the full range.
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const HEADING_LEVEL_BITS = 0b1111u64 << HEADING_LEVEL_OFFSET;
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/// Some convenience unions.
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const DIR_STATES = Self::LTR.bits() | Self::RTL.bits();
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const DIR_ATTR_STATES = Self::HAS_DIR_ATTR.bits() |
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Self::HAS_DIR_ATTR_LTR.bits() |
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Self::HAS_DIR_ATTR_RTL.bits() |
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Self::HAS_DIR_ATTR_LIKE_AUTO.bits();
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const DISABLED_STATES = Self::DISABLED.bits() | Self::ENABLED.bits();
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const REQUIRED_STATES = Self::REQUIRED.bits() | Self::OPTIONAL_.bits();
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}
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}
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bitflags! {
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/// Event-based document states.
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#[repr(C)]
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#[derive(Clone, Copy, Debug, Eq, PartialEq)]
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pub struct DocumentState: u64 {
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/// Window activation status
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const WINDOW_INACTIVE = 1 << 0;
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/// RTL locale: specific to the XUL localedir attribute
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const RTL_LOCALE = 1 << 1;
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/// LTR locale: specific to the XUL localedir attribute
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const LTR_LOCALE = 1 << 2;
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const ALL_LOCALEDIR_BITS = Self::LTR_LOCALE.bits() | Self::RTL_LOCALE.bits();
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}
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}
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malloc_size_of_is_0!(ElementState, DocumentState);
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