Relands: https://github.com/flutter/flutter/pull/131377
Reverted in: https://github.com/flutter/flutter/pull/133804

For https://github.com/flutter/flutter/issues/133922

…t trap the focus

fixes https://github.com/flutter/flutter/issues/112567

Several things I done:

1. add new enum `parentScope`
2. refactor _sortAllDescendants so that it doesn't recursively looking
into its descendant when it encounter a FocusScopeNode.
3. When the nextFocus try to focus into a FocusScopeNode, it will try to
find the first focusable FocusNode in traversal order and focus it
instead if it doesn't have a first focus.
4. Change the default in Navigator to always be `parentScope`
5. Only the root navigator will use `leaveFlutterView` if platform is
web.


Previously 2 and 3 are not needed because once a focusscope trapped the
focus, there isn't a chance where the parent focusscope have to deal
with next focus.

If we don't do 2 and 3 after the change, it will cause it to stuck in
the current scope again. Because once the focus leave the current scope,
it needs to also remove the first focus in that scope (so that it can
start fresh when focus traversal back to the scope in the future). At
this point the current scope will have the primary focus without the
first focus. The parent scope will then try to find the next focus, and
it will place the focus to the first traversal child in the current
scope again.

## Pre-launch Checklist

- [ ] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [ ] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [ ] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [ ] I signed the [CLA].
- [ ] I listed at least one issue that this PR fixes in the description
above.
- [ ] I updated/added relevant documentation (doc comments with `///`).
- [ ] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [ ] 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]:
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[Tree Hygiene]: https://github.com/flutter/flutter/wiki/Tree-hygiene
[test-exempt]:
https://github.com/flutter/flutter/wiki/Tree-hygiene#tests
[Flutter Style Guide]:
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[CLA]: https://cla.developers.google.com/
[flutter/tests]: https://github.com/flutter/tests
[breaking change policy]:
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[Discord]: https://github.com/flutter/flutter/wiki/Chat

Fixes https://github.com/flutter/flutter/issues/133330

The clipBehavior was not passed to the underlying Scrollable, which informs things like the clip on the StretchingOverscrollIndicator.

Add derived classes from the Darwin platform view base classes for
MacOS. Functionality is largely the same as the `UiKitView`, but the two
are decoupled and and can further diverge in the future as needed. Some
unit tests remain skipped for now as the gesture recognizers for MacOS
are not yet implemented.

https://github.com/flutter/flutter/issues/128519

## 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], including [Features
we expect every widget to implement].
- [ ] I signed the [CLA].
- [x] I listed at least one issue that this PR fixes in the description
above.
- [x] I updated/added relevant documentation (doc comments with `///`).
- [x] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [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]:
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[Tree Hygiene]: https://github.com/flutter/flutter/wiki/Tree-hygiene
[test-exempt]:
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[Flutter Style Guide]:
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[CLA]: https://cla.developers.google.com/
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[breaking change policy]:
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[Discord]: https://github.com/flutter/flutter/wiki/Chat

---------
Co-authored-by: Chris Bracken <chris@bracken.jp>

Reverts flutter/flutter#131377

reverting because of internal google testing failures b/298310760

fixes [`cursorColor` with an opacity  is not respected](https://github.com/flutter/flutter/issues/132886)

<details>
<summary>expand to view the code sample</summary> 

```dart
import "package:flutter/material.dart";
// import "package:flutter/scheduler.dart";

// final color = Colors.red;
const color = Color(0x55ff0000);

void main() {
  // timeDilation = 4;
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return const MaterialApp(
      debugShowCheckedModeBanner: false,
      home: Example(),
    );
  }
}

class Example extends StatefulWidget {
  const Example({super.key});

  @override
  State<Example> createState() => _ExampleState();
}

class _ExampleState extends State<Example> {
  late FocusNode _focusNode;
  late TextEditingController _controller;

  @override
  void initState() {
    super.initState();
    _focusNode = FocusNode();
    _controller = TextEditingController(text: 'Hello World');
  }

  @override
  void dispose() {
    _focusNode.dispose();
    _controller.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    const bool cursorOpacityAnimates = false;
    double cursorWidth = 6;

    return Scaffold(

      body: Center(
        child: Padding(
          padding: const EdgeInsets.symmetric(
            horizontal: 16,
          ),
          child: Column(
            children: <Widget>[
              const Spacer(),
              const Text('EditableText'),
              const SizedBox(height: 8),
              InputDecorator(
                decoration: InputDecoration(
                  border: OutlineInputBorder(
                    borderRadius: BorderRadius.circular(8),
                  ),
                ),
                child: EditableText(
                  cursorColor: color,
                  cursorWidth: cursorWidth,
                  cursorOpacityAnimates: cursorOpacityAnimates,
                  focusNode: _focusNode,
                  controller: _controller,
                  style: Theme.of(context).textTheme.bodyLarge!,
                  backgroundCursorColor: Colors.amber,
                  onSubmitted: (String value) {
                    // Add your code here.
                  },
                ),
              ),
              const Spacer(),
              const Text('TextField'),
              const SizedBox(height: 8),
              TextField(
                cursorColor: color,
                cursorWidth: cursorWidth,
                cursorOpacityAnimates: cursorOpacityAnimates,
                controller: _controller,
                focusNode: _focusNode,
                onSubmitted: (String value) {
                  // Add your code here.
                },
              ),
              const Spacer(),
            ],
          ),
        ),
      ),
    );
  }
}
```

</details>

### Before

![Screenshot 2023-08-29 at 14 57 57](https://github.com/flutter/flutter/assets/48603081/cd55bb74-23b8-4980-915d-f13dee22a50f)

### After
![Screenshot 2023-08-29 at 14 58 20](https://github.com/flutter/flutter/assets/48603081/c94af4e3-f24b-44e7-bbed-7c6c21e90f2a)

Rather than changing the size of the child elements (relaying out text
and potentially changing glyph shape and position due to pixel
snapping), apply the stretch effect as a compositing effect - render the
children to a texture and stretch the texture. If we end up using an
image shader to apply an custom shader we'll need to do this anyway.

Fixes https://github.com/flutter/flutter/issues/129528

### Before


https://github.com/flutter/flutter/assets/8975114/16e9eb57-f864-4093-b4a4-461082b89b43

### After


https://github.com/flutter/flutter/assets/8975114/14cf0167-8922-4876-a325-e3bc154b084f

## Description

This PR exposes `barrierDismissible` in `PageRoute`, `MaterialPageRoute` and `CupertinoPageRoute` constructors.
Setting this property to true will enable the escape key binding.

## Related Issue

Fixes https://github.com/flutter/flutter/issues/132138.

## Tests

Adds one test.

Reland "Remove ImageProvider.load, DecoderCallback and `PaintingBinding.instantiateImageCodec` (#132679) (reverted in #133482) (#133605)

Relanding the commit per
https://github.com/flutter/flutter/pull/133482#issuecomment-1698030976

## Pre-launch Checklist

- [ ] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [ ] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [ ] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [ ] I signed the [CLA].
- [ ] I listed at least one issue that this PR fixes in the description
above.
- [ ] I updated/added relevant documentation (doc comments with `///`).
- [ ] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [ ] 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
[test-exempt]:
https://github.com/flutter/flutter/wiki/Tree-hygiene#tests
[Flutter Style Guide]:
https://github.com/flutter/flutter/wiki/Style-guide-for-Flutter-repo
[Features we expect every widget to implement]:
https://github.com/flutter/flutter/wiki/Style-guide-for-Flutter-repo#features-we-expect-every-widget-to-implement
[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

## Description

This PR  fixes one selectable region test failure when switching to M3.
The failure is somewhat tricky because it is related to the M3 typography (line height set to 1.43).

## Related Issue

fixes https://github.com/flutter/flutter/issues/129626

## Tests

Updates 1 test.

…inding.instantiateImageCodec` (#132679)"

This reverts commit b4f4ece4.

Trial revert for https://github.com/flutter/flutter/issues/133398Co-authored-by: LongCatIsLooong <31859944+LongCatIsLooong@users.noreply.github.com>

Reverts flutter/flutter#133353

Tree is failing on Mac and Linux customer_testing on this PR.
https://ci.chromium.org/ui/p/flutter/builders/prod/Mac%20customer_testing/14646/overview
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20customer_testing/14974/overview

Reverts flutter/flutter#133352

Tree is failing on Mac and Linux customer_testing on this PR.
https://ci.chromium.org/ui/p/flutter/builders/prod/Mac%20customer_testing/14646/overview
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20customer_testing/14974/overview

Reverts flutter/flutter#133356

Tree is failing on customer_testing on this PR.
https://ci.chromium.org/ui/p/flutter/builders/prod/Mac%20customer_testing/14646/overview

Fix a Google test flakiness increase.

This PR adds onWillAcceptWithDetails callback to DragTarget to get information about offset.

Fixes: #131378 

This PR is subject to changes based on #131542

Remove `ImageProvider.load`, `DecoderCallback` and `PaintingBinding.instantiateImageCodec` (#132679)

~The failing plugin tests should pass once
https://github.com/flutter/packages/pull/4725 lands and rolls into
flutter/flutter~

google tests are migrated.

Part of https://github.com/flutter/flutter/issues/133171

## Pre-launch Checklist

- [ ] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [ ] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [ ] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [ ] I signed the [CLA].
- [ ] I listed at least one issue that this PR fixes in the description
above.
- [ ] I updated/added relevant documentation (doc comments with `///`).
- [ ] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [ ] 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
[test-exempt]:
https://github.com/flutter/flutter/wiki/Tree-hygiene#tests
[Flutter Style Guide]:
https://github.com/flutter/flutter/wiki/Style-guide-for-Flutter-repo
[Features we expect every widget to implement]:
https://github.com/flutter/flutter/wiki/Style-guide-for-Flutter-repo#features-we-expect-every-widget-to-implement
[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

Diposes some restorable variables that weren't disposed before.