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Auto merge of #21931 - jdm:reload-images, r=emilio

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Make layout use available image data before querying the image cache.

These changes make layout more efficient for any page which contains images that have already loaded, since it does not require synchronously querying the image cache thread for each image present. It also makes reloading a page actually display the images that are already in the image cache.

---
- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes fix #21919
- [x] There are tests for these changes

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bors-servo 2018-10-13 07:56:11 -04:00 • committed by GitHub
commit e4657c1496
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8 changed files with 102 additions and 5 deletions
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25
tests/wpt/metadata/MANIFEST.json
View file

@ -188281,6 +188281,18 @@
{}
]
],
"html/semantics/embedded-content/the-img-element/available-images.html": [
[
"/html/semantics/embedded-content/the-img-element/available-images.html",
[
[
"/html/semantics/embedded-content/the-img-element/available-images-ref.html",
"=="
]
],
{}
]
],
"html/semantics/embedded-content/the-img-element/document-adopt-base-url.html": [
[
"/html/semantics/embedded-content/the-img-element/document-adopt-base-url.html",
@ -292044,6 +292056,11 @@
{}
]
],
"html/semantics/embedded-content/the-img-element/available-images-ref.html": [
[
{}
]
],
"html/semantics/embedded-content/the-img-element/brokenimg.jpg": [
[
{}
@ -614985,6 +615002,14 @@
"15e02bcf51535d45a702b0977f919eff8ce5ba9c",
"testharness"
],
"html/semantics/embedded-content/the-img-element/available-images-ref.html": [
"8061abae50899a2befe286723d8bd5c285b356ab",
"support"
],
"html/semantics/embedded-content/the-img-element/available-images.html": [
"779ff978689e4f5565b8d45d383efa75ac78b8b2",
"reftest"
],
"html/semantics/embedded-content/the-img-element/brokenimg.jpg": [
"ccff177ae9b5066a7085f7e967ab869e665975cc",
"support"

2
tests/wpt/web-platform-tests/html/semantics/embedded-content/the-img-element/available-images-ref.html Normal file
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@ -0,0 +1,2 @@
<!doctype html>
<img src="3.jpg">

17
tests/wpt/web-platform-tests/html/semantics/embedded-content/the-img-element/available-images.html Normal file
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@ -0,0 +1,17 @@
<!doctype html>
<html class="reftest-wait">
<title>Ensure images from available images list are rendered</title>
<meta charset="utf-8">
<link rel="match" href="available-images-ref.html">
<link rel="help" href="https://html.spec.whatwg.org/multipage/#the-img-element">
<div id="log"></div>
<script>
var i = new Image();
i.onload = function() {
var i2 = new Image();
i2.src = "3.jpg";
document.body.appendChild(i2);
document.documentElement.classList.remove("reftest-wait");
};
i.src = "3.jpg";
</script>