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Initial window sizes are mandatory.

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This commit is contained in:
Josh Matthews 2018-12-09 14:16:14 -05:00
parent 34e77f62af
commit 231a37be24
12 changed files with 101 additions and 130 deletions
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23
components/script/dom/htmlimageelement.rs
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@ -634,21 +634,14 @@ impl HTMLImageElement {
) -> Au {
let document = document_from_node(self);
let device = document.device();
if !device.is_some() {
return Au(1);
}
let quirks_mode = document.quirks_mode();
//FIXME https://github.com/whatwg/html/issues/3832
source_size_list.evaluate(&device.unwrap(), quirks_mode)
source_size_list.evaluate(&device, quirks_mode)
}
/// https://html.spec.whatwg.org/multipage/#matches-the-environment
fn matches_environment(&self, media_query: String) -> bool {
let document = document_from_node(self);
let device = match document.device() {
Some(device) => device,
None => return false,
};
let quirks_mode = document.quirks_mode();
let document_url = &document.url();
// FIXME(emilio): This should do the same that we do for other media
@ -668,7 +661,7 @@ impl HTMLImageElement {
let mut parserInput = ParserInput::new(&media_query);
let mut parser = Parser::new(&mut parserInput);
let media_list = MediaList::parse(&context, &mut parser);
media_list.evaluate(&device, quirks_mode)
media_list.evaluate(&document.device(), quirks_mode)
}
/// <https://html.spec.whatwg.org/multipage/#normalise-the-source-densities>
@ -740,13 +733,11 @@ impl HTMLImageElement {
// Step 5
let mut best_candidate = max;
let device = document_from_node(self).device();
if let Some(device) = device {
let device_den = device.device_pixel_ratio().get() as f64;
for (index, image_source) in img_sources.iter().enumerate() {
let current_den = image_source.descriptor.den.unwrap();
if current_den < best_candidate.0 && current_den >= device_den {
best_candidate = (current_den, index);
}
let device_den = device.device_pixel_ratio().get() as f64;
for (index, image_source) in img_sources.iter().enumerate() {
let current_den = image_source.descriptor.den.unwrap();
if current_den < best_candidate.0 && current_den >= device_den {
best_candidate = (current_den, index);
}
}
let selected_source = img_sources.remove(best_candidate.1).clone();