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[Darwin] Move FlutterBinaryMessengerRelay to common#44395
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cbracken merged 1 commit intoAug 4, 2023
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That patch is landed and this is now rebased to tip of tree. |
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auto label is removed for flutter/engine/44395, due to - The status or check suite Linux mac_unopt has failed. Please fix the issues identified (or deflake) before re-applying this label. |
Migrates FlutterBinaryMessengerRelay to //flutter/shell/platform/darwin/common so that it can be used in a followup patch on macOS, to fix a memory leak due to a retain cycle. Migrates the unit tests to be compatible with gtest, which is used by the darwin/common unit tests. Issue: flutter/flutter#116445
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flutter-team-archive/engine@a0d650e...138a1ea 2023-08-04 skia-flutter-autoroll@skia.org Roll Skia from 7cf7e2da3557 to b2a0382bb587 (1 revision) (flutter-team-archive/engine#44407) 2023-08-04 chris@bracken.jp [Darwin] Move FlutterBinaryMessengerRelay to common (flutter-team-archive/engine#44395) If this roll has caused a breakage, revert this CL and stop the roller using the controls here: https://autoroll.skia.org/r/flutter-engine-flutter-autoroll Please CC jacksongardner@google.com,rmistry@google.com,zra@google.com on the revert to ensure that a human is aware of the problem. To file a bug in Flutter: https://github.com/flutter/flutter/issues/new/choose To report a problem with the AutoRoller itself, please file a bug: https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug Documentation for the AutoRoller is here: https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md
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Previously, FlutterEngine.binaryMessenger returned the FlutterEngine instance itself, which meant that channels/plugins could hold a strong reference to the engine and thus cause a retain cycle, preventing the engine from being deallocated. We introduce FlutterBinaryMessengerRelay, which implements the FlutterBinaryMessenger protocol, by delegating back to the engine, to which it holds a weak reference, thus avoiding the retain cycle. This also changes the FlutterBinaryMessengerRelay.parent property from an assign property to a weak property since that code is compiled with ARC enabled as of #44395. This patch also rearranges the headers to comply with our style guide: related headers for this file, C headers, C++ headers, other Flutter headers, in that order. Fixes: flutter/flutter#116445
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…hive#44395) Migrates FlutterBinaryMessengerRelay to //flutter/shell/platform/darwin/common so that it can be used in a followup patch on macOS, to fix a memory leak due to a retain cycle. Migrates the unit tests to be compatible with gtest, which is used by the darwin/common unit tests. Issue: flutter/flutter#116445 ## Pre-launch Checklist - [X] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [X] I read the [Tree Hygiene] wiki page, which explains my responsibilities. - [X] I read and followed the [Flutter Style Guide] and the [C++, Objective-C, Java style guides]. - [X] I listed at least one issue that this PR fixes in the description above. - [X] I added new tests to check the change I am making or feature I am adding, or Hixie said the PR is test-exempt. See [testing the engine] for instructions on writing and running engine tests. - [X] I updated/added relevant documentation (doc comments with `///`). - [X] I signed the [CLA]. - [X] All existing and new tests are passing. If you need help, consider asking for advice on the #hackers-new channel on [Discord]. <!-- Links --> [Contributor Guide]: https://github.com/flutter/flutter/wiki/Tree-hygiene#overview [Tree Hygiene]: https://github.com/flutter/flutter/wiki/Tree-hygiene [Flutter Style Guide]: https://github.com/flutter/flutter/wiki/Style-guide-for-Flutter-repo [C++, Objective-C, Java style guides]: https://github.com/flutter/engine/blob/main/CONTRIBUTING.md#style [testing the engine]: https://github.com/flutter/flutter/wiki/Testing-the-engine [CLA]: https://cla.developers.google.com/ [flutter/tests]: https://github.com/flutter/tests [breaking change policy]: https://github.com/flutter/flutter/wiki/Tree-hygiene#handling-breaking-changes [Discord]: https://github.com/flutter/flutter/wiki/Chat
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…#44471) Previously, FlutterEngine.binaryMessenger returned the FlutterEngine instance itself, which meant that channels/plugins could hold a strong reference to the engine and thus cause a retain cycle, preventing the engine from being deallocated. We introduce FlutterBinaryMessengerRelay, which implements the FlutterBinaryMessenger protocol, by delegating back to the engine, to which it holds a weak reference, thus avoiding the retain cycle. This also changes the FlutterBinaryMessengerRelay.parent property from an assign property to a weak property since that code is compiled with ARC enabled as of flutter-team-archive#44395. This patch also rearranges the headers to comply with our style guide: related headers for this file, C headers, C++ headers, other Flutter headers, in that order. Fixes: flutter/flutter#116445
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Migrates FlutterBinaryMessengerRelay to
//flutter/shell/platform/darwin/common so that it can be used in a followup patch on macOS, to fix a memory leak due to a retain cycle.
Migrates the unit tests to be compatible with gtest, which is used by the darwin/common unit tests.
Issue: flutter/flutter#116445
Pre-launch Checklist
///).If you need help, consider asking for advice on the #hackers-new channel on Discord.