tree 84c58fbc1bac4dc6ae345211282be0700bc6d7bc
parent a98f8c82a8ac80d3c3c84c8d0438b7395ee13780
author Chris Bracken <chris@bracken.jp> 1734028687 -0800
committer GitHub <noreply@github.com> 1734028687 +0000
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iOS: Reduce engine/view controller coupling (#57151)

Eliminates some cases where `FlutterViewController` was relying on `FlutterEngine` internals:
* `[FlutterEngine shell]`
* `[FlutterEngine platformView]`
* `[FlutterEngine iosPlatformView]`

Instead, `FlutterEngine` now exposes:
* `installFirstFrameCallback:`
* `enableSemantics:withFlags:`
* `notifyViewCreated`
* `notifyViewDestroyed`
* `waitForFirstFrameSync:callback:`

Also fixes a couple cases where we were relying on transitive header includes:
* `FlutterAppController` relied on `FlutterViewController_Internal.h` for `sendDeepLinkToFramework:completionHandler:`

This is a refactoring followup to https://github.com/flutter/engine/pull/57099 that introduces no semantic changes.

[C++, Objective-C, Java style guides]: https://github.com/flutter/engine/blob/main/CONTRIBUTING.md#style