#2228093: Modernize theme initialization originally intended to eliminate the magic overloading of theme info properties on Extension objects, but did not.

The magically overloaded theme extension properties are still used:

Undefined property: Drupal\Core\Extension\Extension::$info

Drupal\Core\Extension\ThemeHandler->addTheme(Object)
Drupal\Core\Extension\ThemeHandler->listInfo()
list_themes()
_drupal_maintenance_theme()
drupal_maintenance_theme()
drupal_flush_all_caches()

The reason is:

#2228093: Modernize theme initialization only cleaned up theme initialization.

However, ThemeHandler::rebuildThemeData() is unrelated to initialization and still operates on Extension objects only.

Given that there is a use-case for instantiating a Theme domain object (including base themes) within that process, we should probably rename the ActiveTheme class into just Theme. — No change in behavior. It only doesn't have to be the currently active theme, you can instantiate it for any theme.

CommentFileSizeAuthor
#5 theme_extension-2326407-5.patch32.4 KBdawehner
#3 theme_extension-2326407-3.patch20.25 KBdawehner
#2 ext.overload.2.do-not-test.patch1.24 KBsun

Comments

sun’s picture

sun
Primary language German
Location Karlsruhe
commented
Issue tags: +API clean-up
sun’s picture

sun
Primary language German
Location Karlsruhe
commented
StatusFileSize
new ext.overload.2.do-not-test.patch1.24 KB

Attached patch clarifies the challenge to resolve for this issue.

dawehner’s picture

dawehner
Primary language German
commented
Status: Active » Needs review
StatusFileSize
new theme_extension-2326407-3.patch20.25 KB

Worked a bit on that, let's see how much fails.
I am not convinced that we can actually drop the getBaseThemes method though I have the feeling that this logic should be actually moved into the theme active factory.

Status: Needs review » Needs work

The last submitted patch, 3: theme_extension-2326407-3.patch, failed testing.

dawehner’s picture

dawehner
Primary language German
commented
Status: Needs work » Needs review
StatusFileSize
new theme_extension-2326407-5.patch32.4 KB

Some work.

Status: Needs review » Needs work

The last submitted patch, 5: theme_extension-2326407-5.patch, failed testing.

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larowlan’s picture

larowlan
Location 🇦🇺🏝.au GMT+10
commented

Seems we also do this with modules (requires, info, required_by, requires, sort) - see \Drupal\Core\Extension\ModuleHandler::buildModuleDependencies

larowlan’s picture

larowlan
Location 🇦🇺🏝.au GMT+10
commented

Looking at the OP is this still relevant for themes, that code in Extension is gone.

We have something similarly ugly in modules - should we include that in scope here or should I open a new issue?

larowlan’s picture

larowlan
Location 🇦🇺🏝.au GMT+10
commented

Ah #2024043: Add Module, Theme, Profile, and Extension value objects is what I'm chasing

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fgm’s picture

fgm
Primary language French
Location Paris, France
commented
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Too late for 8.x.

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andypost’s picture

andypost
he/him
Primary language Russian
commented
Related issues: +#3292759: Create getters and setters for dynamic Extension properties, +#2024043: Add Module, Theme, Profile, and Extension value objects

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nicxvan’s picture

nicxvan commented 
ThemeHandler::rebuildThemeData()

is deprecated, can we close this?

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