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iOS: Eliminate unnecessary bridged retain casts #56662

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Nov 17, 2024

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This replaces a few ARC bridged retain casts to regular bridge casts to CoreFoundation types, which are then CFRetained via sk_cfp::retain calls.

This eliminates the last remaining unnecessary __bridge_retained casts in the codebase. The remaining casts have been manually vetted and are reasonable.

Issue: flutter/flutter#155943

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  • I read and followed the Flutter Style Guide and the C++, Objective-C, Java style guides.
  • I listed at least one issue that this PR fixes in the description above.
  • I added new tests to check the change I am making or feature I am adding, or the PR is test-exempt. See testing the engine for instructions on writing and running engine tests.
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This replaces a few ARC bridged retain casts to regular bridge casts to
CoreFoundation types, which are then CFRetained via `sk_cfp::retain`
calls.

This eliminates the last remaining unnecessary __bridge_retained casts
in the codebase. The remaining casts have been manually vetted and are
reasonable.

Issue: flutter/flutter#155943
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It looks like this pull request may not have tests. Please make sure to add tests before merging. If you need an exemption, contact "@test-exemption-reviewer" in the #hackers channel in Discord (don't just cc them here, they won't see it!).

If you are not sure if you need tests, consider this rule of thumb: the purpose of a test is to make sure someone doesn't accidentally revert the fix. Ask yourself, is there anything in your PR that you feel it is important we not accidentally revert back to how it was before your fix?

Reviewers: Read the Tree Hygiene page and make sure this patch meets those guidelines before LGTMing. The test exemption team is a small volunteer group, so all reviewers should feel empowered to ask for tests, without delegating that responsibility entirely to the test exemption group.

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LGTM

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test-exempt: code refactor with no semantic change

@cbracken cbracken added the autosubmit Merge PR when tree becomes green via auto submit App label Nov 17, 2024
@auto-submit auto-submit bot merged commit 4ffb579 into flutter:main Nov 17, 2024
30 checks passed
@auto-submit auto-submit bot removed the autosubmit Merge PR when tree becomes green via auto submit App label Nov 17, 2024
@cbracken cbracken deleted the eliminate-bridged-retains branch November 17, 2024 22:56
engine-flutter-autoroll added a commit to engine-flutter-autoroll/flutter that referenced this pull request Nov 18, 2024
engine-flutter-autoroll added a commit to engine-flutter-autoroll/flutter that referenced this pull request Nov 18, 2024
github-merge-queue bot pushed a commit to flutter/flutter that referenced this pull request Nov 18, 2024
…159057)

flutter/engine@4878f1c...a63841d

2024-11-18 [email protected] iOS: Clean up @synthesize directives / ivars
(flutter/engine#56665)
2024-11-17 [email protected] Roll Skia from 4708534db2e7 to
452208ce96aa (1 revision) (flutter/engine#56664)
2024-11-17 [email protected] iOS: Extract constant for
CADisableMinimumFrameDurationOnPhone (flutter/engine#56659)
2024-11-17 [email protected] iOS: Eliminate unnecessary use of
NSClassFromString (flutter/engine#56660)
2024-11-17 [email protected] iOS: Eliminate unnecessary bridged retain
casts (flutter/engine#56662)
2024-11-17 [email protected] iOS,macOS: Fix string constant declarations
(flutter/engine#56661)
2024-11-17 [email protected] iOS: Make FlutterViewController.engine a
strong ref (flutter/engine#56663)
2024-11-17 [email protected] iOS: Clean up uses of string literal
constants (flutter/engine#56658)

If this roll has caused a breakage, revert this CL and stop the roller
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https://autoroll.skia.org/r/flutter-engine-flutter-autoroll
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is aware of the problem.

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nick9822 pushed a commit to nick9822/flutter that referenced this pull request Dec 18, 2024
This replaces a few ARC bridged retain casts to regular bridge casts to CoreFoundation types, which are then CFRetained via `sk_cfp::retain` calls.

This eliminates the last remaining unnecessary __bridge_retained casts in the codebase. The remaining casts have been manually vetted and are reasonable.

Issue: flutter#155943

[C++, Objective-C, Java style guides]: https://github.com/flutter/engine/blob/main/CONTRIBUTING.md#style
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