The display list item for a line of text has a single color assigned for
it, so text fragments with different colors cannot be merged.
There is no issue number for this, as far as I know. I found this while
trying an internal program that uses red asterisks for required text
fields.
URI to URL
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Obtain backtraces automatically from segfaults
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This enables more meaningful output from observing hard crashes outside of GDB through the judicious use of a SIGSEGV signal handler.
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Implement non-visible pipeline and iframe visibility methods
This addresses #9566 and a good part of #9751, specifically:
* Pipeline has a notion of visibility
* IFrame setVisible/getVisible interface with IFrame's pipeline visibility
* IFrame mozbrowservisibilitychange responds to changes in visibility
* Pipeline visibility is used to limit animations (requestAnimationFrame does not tick animations when hidden) and to increase timer intervals (currently set to a minimum of 1 second while hidden)
Absent for now are any changes to the Document API and general implementation of the Page Visibility API, since the more interesting parts require knowledge of whether the user agent is minimized, OS screen locked, etc.
cc @paulrouget @jdm
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Avoid deadlock when closing a pipeline.
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At the moment, the constellation blocks on a pipeline during closure. This PR makes pipeline closure asynchronous.
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Implement meta referrer policy delivery (3)
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Added wpt tests for same-origin iframe parentage.
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Added some wpt tests to make sure same-origin iframes have the right parentage.
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Fire a mozbrowseropenwindow event when an html anchor has a non-self target
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When an html anchor has a non-self target, fire a `mozbrowseropenwindow` event.
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Added mozbrowser test that location setting from script works.
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Add a mozbrowser test for setting the URL from script
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As written it failed in all browsers, including Servo with these
changes. The test is simply intended to test that fixed position
elements are correctly rendered out of flow. It is simplified to test
this.
WebRender.
This happens asynchronously, just as it does in non-WebRender mode.
This functionality is a prerequisite for doing proper display-list-based
hit testing in WebRender, since it moves the scroll offsets into Servo
(and, specifically, into the script thread, enabling iframe event
forwarding) instead of keeping them private to WebRender.
Requires servo/webrender_traits#55 and servo/webrender#277.
Partially addresses #11108.
Use floats to represent intended fixed position
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The previous code assumed that the diagonals of the elements were
perpendicular, which only happens with squares.
tests: layout: Test linear gradient corners
Partially enable referrer-policy tests with some modifications
This is a part of @rebstar6's work on #11422, with only her test fixes and the enabling of them, to ease review on the actual implementation.
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Always include the last-resort font
This is used as a fallback for any characters that don't have glyphs in the specified font. Without this, per-glyph font fallback doesn't work because the FontGroup always contains only one font. Fixes missing glyphs on many pages on my Linux box.
As a follow-up, we should probably have a smarter strategy for finding fallback fonts, possibly varying by script. (Currently we just have a few hard-coded family names.)
r? @glennw
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