Specifically:
* This patch uses a flag added in a prior patch to let us use the author's
chosen prefix (-webkit or -moz) when serializing. (We treat the -moz version
as a special case, because that makes it more straightforward to unsupport
-moz if/when we can.)
* This patch makes us share the linear-gradient() side-or-corner serialization
codepath when serializing points for -webkit-linear-gradient. (The
alternative is the -moz-linear-gradient codepath, which defaults to
serializing with percent values 0%/100% for sides & corners -- and raw
percentages are invalid in -webkit-linear-gradient(), so we can't share that
codepath.) Notably, we have to skip the "to " token that the
linear-gradient() codepath would normally print out -- that was a late
addition to the spec and so it only exists in the unprefixed modern syntax.
(Instead, -webkit-linear-gradient syntax is implicitly "from" the given
point).
MozReview-Commit-ID: 9Oqo8nG1XDU
This patch doesn't change our behavior -- we'll still produce the same serialization that we would've before.
MOTIVATION: A later patch will make us share this codepath to serialize into
-webkit-linear-gradient() syntax. That syntax uses the same representation for
points as unprefixed modern linear-gradient() (with box-side-or-corner keywords
"top", "right", etc.), but it does *not* use the word "to". So we'd like to
allow "to"-and-its-subsequent-space-character to be optional. Hence, this patch
groups the space together with "to", rather than as a prefix on the next token,
so that we can skip right to printing the point (without a leading space)
when we add support for -webkit-linear-gradient() serialization.
MozReview-Commit-ID: 5fCzx4NmpcC
In this patch, we implement nsIDOMWindowUtils::GetUnanimatedComputedStyle
which returns computed value of given CSS property without animation rule. This
method is used from the DevTools animation inspector to fill in keyframe values
when the property value is null (indicating that the underlying/base value is
being used).
In order to implement this, we extend nsComputedDOMStyle constructor to fetch
the computed style minus animation style (i.e. the base style). This is somewhat
complicated by the fact that for discrete animation.
StyleAnimationValue::ExtractComputedValue may return ‘unset’, ‘initial’ or
‘inherit’. For example, if the author uses the 'unset' 'initial' or 'inherit'
keyword for a discrete property (e.g. 'align-content’), ExtractComputedValue
returns the keywords as-is. Furthermore, if the user does not set any specific
keyword, ExtractComputedValue returns ‘unset’. We use this new
nsComputedDOMStyle mechanism to resolve these keywords into a valid keyword for
computed style in the same way as other properties (e.g. ‘opacity’).
MozReview-Commit-ID: HffJ9SCDf2k
Also this patch add nsIAtom as an argument to ResolveTransientStyle() to call
the new function ResolveServoTransientStyle easier. The only call site of the
ResolveTransientStyle() has already nsIAtom* there.
MozReview-Commit-ID: IwxqZbaCSpB
Now, remove Layer::mSourceURI, there are several benefit of doing this:
1. Reduce the size of nsStyleImage::Layer.
2. By storing style image and url information in nsStyleImage, we can remove
many verbose comments. That is becasue there is no need to explain why we use
mSourceURI here, or why we use nsStyleImage there anymore.
3. Since all inforamtion is stored in on place, nsStyleImage, we can setup image
request or URLs by one single Gecko_SetUrlImageValue call.
MozReview-Commit-ID: 7aTQobddTB1
In ensuring that this method does *not* re-use the existing style context if
aStyleType != eAll, I found it easy to miss this check in the multi-condition if
statement due to the way some, but not all, of the conditions are on one line.
I think this would be a little easier to read if this multi-line condition used
one line per condition.
MozReview-Commit-ID: 4UOAGhAndIV
There are currently no call sites of GetStyleContextWithoutAnimation
but there are a couple of places (including this patch series) where we would
like to use such a method, but without the flushing behavior.
This patch drops the flushing from GetStyleContextWithoutAnimation and
renames it to GetUnanimatedStyleContextNoFlush. It also makes a few other minor
tweaks:
* Adds the aStyleType parameter for consistency with GetStyleContextNoFlush and
GetStyleContext
* Moves the implementation of this method and GetStyleContextNoFlush to the
header file since they simply wrap DoGetStyleContextNoFlush.
* Changes the order of these declarations so that the more specialized method
comes later.
* Drops the comment describing the method since both the method name and the
inline definition should now make it obvious what it is doing.
(Actually making this method not return animation styles when it re-uses an
existing style context will happen in the next patch.)
MozReview-Commit-ID: JYeim4A9Imr
In the next patch we want to add a method called
GetUnanimatedStyleContextForElementNoFlush but that's much too long. Instead it
seems better to just drop 'ForElement' from all these methods since it should be
fairly obvious we are getting the style context for an element given that the
first argument is an element.
MozReview-Commit-ID: JQKaEuCKV2F
We want to use a similar model as Chrome on Android does for scaling our display of web content, that is use font inflation for desktop pages and plain text zooming for everything else.
Since we don't want to simply clobber any text zoom that might have been set by the user/front-end code, we allow setting and storing the system font scale separately on the PresContext. We then calculate the effective text zoom value as the product of the system font scale and the current text zoom value.
Any function that is using the PresContext's TextZoom value for layouting/rendering is switched over to this new EffectiveTextZoom value, whereas functions that are interested in the text zoom as actually set by the user/front-end (e.g. the nsDocumentViewer, or the code responsible for copying text and full zoom settings into the new PresContext on page navigation) continue using the plain TextZoom value.
As long as font inflation is enabled in principle (e.g. font.size.inflation.minTwips != 0), every page starts out as eligible for font inflation until the relevant meta viewport tags marking the page as "mobile friendly" have been detected. Since the PresShell caches the font inflation state and only recalculates it when necessary, we make use of that and set the PresContext's system font scale as necessary whenever the font inflation state has been refreshed.
MozReview-Commit-ID: 2InyE04wKAW
Per bug 1322570 comment 46, it's not easy to replace ComputedJustifyItems()
and UsedJustifySelf()'s internal nsStyleContext::GetParent() without
correctness penalty, so we use GetParentAllowServo() for now.
Also, fix the reftest.list added in bug 1334403 which incorrectly wrote test
page as reference page.
MozReview-Commit-ID: 6kAAWSFojd5
Since font-language-override can only have a single three-letter tag, and it is
eventually converted to uint32_t while creating gfxFontStyle, we should be able
to move the conversion ahead, to an earlier stage.
In this patch, we move the ParseFontLanguageOverride to nsRuleNode, so we could
do the nsString-to-uint32_t conversion during computing time.
MozReview-Commit-ID: LA4Bv3wV7K
This change is to use gecko_enum_prefix in helpers.mako.rs, so that we do not
need to manually write code for nsStyleDisplay::mTransformBox.
MozReview-Commit-ID: 7UAL0iUcSIO
Use eCSSUnit_Function to store the frames timing function. Also, add one more
css keyword: frames.
The following changes are included in this:
1. Parser changes.
2. Serialization.
3. Computation in nsRuleNode.
4. Invalid and other values in property_database.js
MozReview-Commit-ID: 887QcXHQ2pU
Now we skip nsAnimationManager::UpdateAnimations() and
EffectCompositor::UpdateEffectProperties() in case of
GetStyleContextForElementWithoutAnimation().
MozReview-Commit-ID: 4rF6n3XtMQq
We need another variant of GetStyleContextForElement() that does not consider
animation rules at all to get the base styles of the target element (i.e.
styles without animations).
In subsequent patches we also skip nsAnimationManager::UpdateAnimations() and
EffectCompositor::UpdateEffectProperties() to avoid (indirect) recursive calls
for resolving style of the same element.
MozReview-Commit-ID: G5olgXIMtvY
