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style: Add some spec links to media queries.

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Differential Revision: https://phabricator.services.mozilla.com/D3489
This commit is contained in:
Emilio Cobos Álvarez 2018-08-16 10:05:52 +00:00
parent f1fe15981a
commit fe05c8ecad
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1 changed files with 23 additions and 2 deletions
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25
components/style/gecko/media_features.rs
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@ -51,6 +51,7 @@ fn device_size(device: &Device) -> Size2D<Au> {
Size2D::new(Au(width), Au(height))
}
/// https://drafts.csswg.org/mediaqueries-4/#width
fn eval_width(
device: &Device,
value: Option<CSSPixelLength>,
@ -63,6 +64,7 @@ fn eval_width(
)
}
/// https://drafts.csswg.org/mediaqueries-4/#device-width
fn eval_device_width(
device: &Device,
value: Option<CSSPixelLength>,
@ -75,6 +77,7 @@ fn eval_device_width(
)
}
/// https://drafts.csswg.org/mediaqueries-4/#height
fn eval_height(
device: &Device,
value: Option<CSSPixelLength>,
@ -87,6 +90,7 @@ fn eval_height(
)
}
/// https://drafts.csswg.org/mediaqueries-4/#device-height
fn eval_device_height(
device: &Device,
value: Option<CSSPixelLength>,
@ -121,6 +125,7 @@ where
)
}
/// https://drafts.csswg.org/mediaqueries-4/#aspect-ratio
fn eval_aspect_ratio(
device: &Device,
query_value: Option<AspectRatio>,
@ -129,6 +134,7 @@ fn eval_aspect_ratio(
eval_aspect_ratio_for(device, query_value, range_or_operator, viewport_size)
}
/// https://drafts.csswg.org/mediaqueries-4/#device-aspect-ratio
fn eval_device_aspect_ratio(
device: &Device,
query_value: Option<AspectRatio>,
@ -137,6 +143,11 @@ fn eval_device_aspect_ratio(
eval_aspect_ratio_for(device, query_value, range_or_operator, device_size)
}
/// https://compat.spec.whatwg.org/#css-media-queries-webkit-device-pixel-ratio
///
/// FIXME(emilio): This should be an alias of `resolution`, according to the
/// spec, and also according to the code in Chromium. Unify with
/// `eval_resolution`.
fn eval_device_pixel_ratio(
device: &Device,
query_value: Option<f32>,
@ -183,6 +194,7 @@ where
}
}
/// https://drafts.csswg.org/mediaqueries-4/#orientation
fn eval_orientation(
device: &Device,
value: Option<Orientation>,
@ -190,6 +202,7 @@ fn eval_orientation(
eval_orientation_for(device, value, viewport_size)
}
/// FIXME: There's no spec for `-moz-device-orientation`.
fn eval_device_orientation(
device: &Device,
value: Option<Orientation>,
@ -208,6 +221,7 @@ pub enum DisplayMode {
Fullscreen,
}
/// https://w3c.github.io/manifest/#the-display-mode-media-feature
fn eval_display_mode(
device: &Device,
query_value: Option<DisplayMode>,
@ -225,6 +239,7 @@ fn eval_display_mode(
gecko_display_mode as u8 == query_value as u8
}
/// https://drafts.csswg.org/mediaqueries-4/#grid
fn eval_grid(_: &Device, query_value: Option<bool>, _: Option<RangeOrOperator>) -> bool {
// Gecko doesn't support grid devices (e.g., ttys), so the 'grid' feature
// is always 0.
@ -232,6 +247,7 @@ fn eval_grid(_: &Device, query_value: Option<bool>, _: Option<RangeOrOperator>)
query_value.map_or(supports_grid, |v| v == supports_grid)
}
/// https://compat.spec.whatwg.org/#css-media-queries-webkit-transform-3d
fn eval_transform_3d(
_: &Device,
query_value: Option<bool>,
@ -248,12 +264,14 @@ enum Scan {
Interlace,
}
/// https://drafts.csswg.org/mediaqueries-4/#scan
fn eval_scan(_: &Device, _: Option<Scan>) -> bool {
// Since Gecko doesn't support the 'tv' media type, the 'scan' feature never
// matches.
false
}
/// https://drafts.csswg.org/mediaqueries-4/#color
fn eval_color(
device: &Device,
query_value: Option<u32>,
@ -268,13 +286,13 @@ fn eval_color(
)
}
/// https://drafts.csswg.org/mediaqueries-4/#color-index
fn eval_color_index(
_: &Device,
query_value: Option<u32>,
range_or_operator: Option<RangeOrOperator>,
) -> bool {
// We should return zero if the device does not use a color lookup
// table.
// We should return zero if the device does not use a color lookup table.
let index = 0;
RangeOrOperator::evaluate(
range_or_operator,
@ -283,6 +301,7 @@ fn eval_color_index(
)
}
/// https://drafts.csswg.org/mediaqueries-4/#monochrome
fn eval_monochrome(
_: &Device,
query_value: Option<u32>,
@ -298,6 +317,7 @@ fn eval_monochrome(
)
}
/// https://drafts.csswg.org/mediaqueries-4/#resolution
fn eval_resolution(
device: &Device,
query_value: Option<Resolution>,
@ -319,6 +339,7 @@ enum PrefersReducedMotion {
Reduce,
}
/// https://drafts.csswg.org/mediaqueries-5/#prefers-reduced-motion
fn eval_prefers_reduced_motion(
device: &Device,
query_value: Option<PrefersReducedMotion>,