| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>CSS Shadow Parts - Interaction with pseudo-elements</title> |
| <meta href="mailto:fergal@chromium.org" rel="author" title="Fergal Daly"> |
| <link href="http://www.google.com/" rel="author" title="Google"> |
| <link href="https://drafts.csswg.org/css-shadow-parts/" rel="help"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="support/shadow-helper.js"></script> |
| </head> |
| <body> |
| <style> |
| #c-e::part(before-p)::before { color: green; } |
| #c-e::part(after-p)::after { color: green; } |
| #c-e::part(placeholder-p)::placeholder { color: green; } |
| #c-e::part(selection-p)::selection { color: green; } |
| #c-e::part(first-line-p)::first-line { color: green; } |
| #c-e::part(first-letter-p)::first-letter { color: green; } |
| </style> |
| <script>installCustomElement("custom-element", "custom-element-template");</script> |
| <template id="custom-element-template"> |
| <style> |
| #before-i::before { content: "this text"; color: red; } |
| #after-i::after { content: "this text"; color: red; } |
| #placeholder-i::placeholder { color: red; } |
| #selection-i::selection { color: red; } |
| #first-line-i::first-line { color: red; } |
| #first-letter-i::first-letter { color: red; } |
| </style> |
| <div> |
| The following text should be green: |
| <span id="before-i" part="before-p"></span> |
| </div> |
| <div> |
| The following text should be green: |
| <span id="after-i" part="after-p"></span> |
| </div> |
| <div> |
| The following text should be green: |
| <input id="placeholder-i" part="placeholder-p" placeholder="this text"></input> |
| </div> |
| <div> |
| The selected text should be green: |
| <div id="selection-i" part="selection-p">select some text</div> |
| </div> |
| <div> |
| The following text should be green: |
| <div id="first-line-i" part="first-line-p">this text<br>Not this</div> |
| </div> |
| <div> |
| The first letter should be green: |
| <div id="first-letter-i" part="first-letter-p"><p>this text</p></div> |
| </div> |
| </template> |
| <custom-element id="c-e"></custom-element> |
| <script> |
| "use strict"; |
| const colorGreen = "rgb(0, 128, 0)"; |
| test(function() { |
| const el = getElementByShadowIds(document, ["c-e", "before-i"]); |
| assert_equals(window.getComputedStyle(el, '::before').color, colorGreen); |
| }, "::before in selected host is styled"); |
| test(function() { |
| const el = getElementByShadowIds(document, ["c-e", "after-i"]); |
| assert_equals(window.getComputedStyle(el, '::after').color, colorGreen); |
| }, "::after in selected host is styled"); |
| test(function() { |
| const el = getElementByShadowIds(document, ["c-e", "placeholder-i"]); |
| assert_equals(window.getComputedStyle(el, '::placeholder').color, colorGreen); |
| }, "::placeholder in selected host is styled"); |
| test(function() { |
| const el = getElementByShadowIds(document, ["c-e", "selection-i"]); |
| assert_equals(window.getComputedStyle(el, '::selection').color, colorGreen); |
| }, "::selection in selected host is styled"); |
| test(function() { |
| const el = getElementByShadowIds(document, ["c-e", "first-line-i"]); |
| assert_equals(window.getComputedStyle(el, '::first-line').color, colorGreen); |
| }, "::first-line in selected host is styled"); |
| test(function() { |
| const el = getElementByShadowIds(document, ["c-e", "first-letter-i"]); |
| assert_equals(window.getComputedStyle(el, '::first-letter').color, colorGreen); |
| }, "::first-letter in selected host is styled"); |
| </script> |
| </body> |
| </html> |
