зеркало из https://github.com/mozilla/gecko-dev.git
Bug 1818227 - Prevent drawing backplate when forced-color-adjust is none r=emilio
Prevents backplates from being drawn for any text that has forced-color-adjust: none set by checking the value of StyleText()->mForcedColorAdjust. Differential Revision: https://phabricator.services.mozilla.com/D173362
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@ -7171,8 +7171,10 @@ void nsBlockFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
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// hold:
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// (A) the backplate feature is preffed on
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// (B) we are not honoring the document colors
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// (C) the force color adjust property is set to auto
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if (StaticPrefs::browser_display_permit_backplate() &&
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PresContext()->ForcingColors() && !IsComboboxControlFrame()) {
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PresContext()->ForcingColors() && !IsComboboxControlFrame() &&
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StyleText()->mForcedColorAdjust != StyleForcedColorAdjust::None) {
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backplateColor.emplace(GetBackplateColor(this));
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}
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@ -0,0 +1,15 @@
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<!DOCTYPE html>
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<html>
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<head>
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<title>Reference: Text with forced-color-adjust set to none should not be backplated.</title>
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<style>
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div {
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background-image: url("blue.png");
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color: yellow;
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}
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</style>
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</head>
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<div>
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Yellow Text
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</div>
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</html>
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@ -0,0 +1,16 @@
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<!DOCTYPE html>
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<html>
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<head>
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<title>Text with forced-color-adjust set to none should not be backplated.</title>
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<style>
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div {
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forced-color-adjust: none;
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background-image: url("blue.png");
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color: yellow;
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}
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</style>
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</head>
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<div>
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Yellow Text
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</div>
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</html>
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@ -98,3 +98,6 @@ pref(browser.display.use_system_colors,true) pref(browser.display.document_color
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pref(layout.css.color-mix.enabled,true) != color-mix.html color-mix-notref.html
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test-pref(browser.display.background_color,"black") test-pref(browser.display.foreground_color,"white") test-pref(ui.-moz-fieldtext,"black") test-pref(ui.-moz-fieldtext.dark,"white") pref(ui.use_standins_for_native_colors,false) pref(browser.display.use_system_colors,false) == no-system-colors-color-scheme.html no-system-colors-color-scheme-ref.html
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# Forced color adjust
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pref(layout.css.forced-color-adjust.enabled,true) == backplate-force-color-adjust.html backplate-force-color-adjust-ref.html
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