Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/35315
These headers are needed on react-native-macOS, but not explicitly imported all the time.
It seems that some UIKit header will implicitly import them.
We have other use case in react-native(-iOS) in which we also explicitly importing them - https://github.com/facebook/react-native/search?q=QuartzCore- , hence use following 'that' practice 'here'.
Changelog: [Internal]
Reviewed By: javache
Differential Revision: D41229835
fbshipit-source-id: b0182bf4f7905e8e157b341eb62cadec6ba354ca
Summary:
c974cbff04 changed the border colors to be of UIColor instead of CGColor. This allowed working with dark mode to switch the border colors automatically. However, in certain situation the system can't resolve the current trait collection (see https://stackoverflow.com/a/57177411/2525941). This commit resolves the colors with the current trait collection to ensure the right colors are selected. This matches with the behavior of how the background color is resolved (also in displayLayer:).
## Changelog
[iOS] [Fixed] - Resolve border platform color based on current trait collection
Pull Request resolved: https://github.com/facebook/react-native/pull/32492
Test Plan: Same test plan as https://github.com/facebook/react-native/pull/29728
Reviewed By: sammy-SC
Differential Revision: D33819225
Pulled By: cortinico
fbshipit-source-id: 2f8024be7ee7b32d1852373b47fa1437cc569391
Summary:
i saw this a lot in the codebase, it's not optimal bc we're using two selectors when we only need one.
fastmod --extensions m,mm '\[\[(.*) alloc] init]' '[${1} new]' --dir xplat/js/react-native-github/*
i manually updated the callsites that this codemod couldn't handle (e.g., where there were more than one of these instances in a single line)
Changelog: [Internal]
Reviewed By: RSNara
Differential Revision: D31776561
fbshipit-source-id: 1b16da240e8a79b54da67383d548921b82b05a9f
Summary:
This pull request aims to remove iOS 11 version check which is no longer needed.
The minimum iOS deployment target for React Native is `iOS 11` but we still have iOS 11 version check like below.
```
#if __IPHONE_OS_VERSION_MAX_ALLOWED >= 110000 /* __IPHONE_11_0 */
if (available(iOS 11.0, *)) {
```
> React Native apps may target iOS 11.0 and Android 5.0 (API 21) or newer.
ref: https://github.com/facebook/react-native#-requirements
------
If there is a team motivation to remove the deprecated methods and classes before iOS 10, I can continue the work in this pull request or in the continuing pull requests.
We have deprecated warnings for these in the project.
- `UIUserNotificationSettings`
- `UILocalNotification`
- `topLayoutGuide` and `bottomLayoutGuide`
- `automaticallyAdjustsScrollViewInsets`
## Changelog
[iOS] [Changed] - Remove iOS 11 version check
Pull Request resolved: https://github.com/facebook/react-native/pull/32151
Reviewed By: sammy-SC
Differential Revision: D30877917
Pulled By: yungsters
fbshipit-source-id: d903ea5d557beeb65ef87bfce572e4db3532b3c5
Summary:
# See PR
https://github.com/facebook/react-native/pull/29728
# From PR Author
Using `PlatformColor` with border colors doesn't work currently when switching dark mode as the information is lost when converting to `CGColor`. This change keeps the border colors around as `UIColor` so switching to dark mode works.
```ts
<View
style={{
borderColor: DynamicColorIOS({ dark: "yellow", light: "red" }),
borderWidth: 1,
}}
>
...
</View>
```
This view will start with a red border (assuming light mode when started), but will not change to a yellow border when switching to dark mode. With this PR, the border color will be correctly set to yellow.
## Changelog
[iOS] [Fixed] - Allow PlatformColor to work with border colors
Pull Request resolved: https://github.com/facebook/react-native/pull/29728
Test Plan:
1. Assign a `PlatformColor` or `DynamicColorIOS` to a view border color.
2. Toggle between dark / light mode. See the colors change.
Reviewed By: lunaleaps
Differential Revision: D29268376
Pulled By: p-sun
fbshipit-source-id: 586545b05be0beb0e6e5ace6e3f74b304620ad94
Summary:
Fixes some comment typos, moves hit testing and accessibility code so it's beside each other.
No functionality changes.
Changelog:[Internal]
Reviewed By: RSNara
Differential Revision: D22003047
fbshipit-source-id: 0e785364d7e1a080034d24c9676a56acb45686bb
Summary:
This Pull Request implements the PlatformColor proposal discussed at https://github.com/react-native-community/discussions-and-proposals/issues/126. The changes include implementations for iOS and Android as well as a PlatformColorExample page in RNTester.
Every native platform has the concept of system defined colors. Instead of specifying a concrete color value the app developer can choose a system color that varies in appearance depending on a system theme settings such Light or Dark mode, accessibility settings such as a High Contrast mode, and even its context within the app such as the traits of a containing view or window.
The proposal is to add true platform color support to react-native by extending the Flow type `ColorValue` with platform specific color type information for each platform and to provide a convenience function, `PlatformColor()`, for instantiating platform specific ColorValue objects.
`PlatformColor(name [, name ...])` where `name` is a system color name on a given platform. If `name` does not resolve to a color for any reason, the next `name` in the argument list will be resolved and so on. If none of the names resolve, a RedBox error occurs. This allows a latest platform color to be used, but if running on an older platform it will fallback to a previous version.
The function returns a `ColorValue`.
On iOS the values of `name` is one of the iOS [UI Element](https://developer.apple.com/documentation/uikit/uicolor/ui_element_colors) or [Standard Color](https://developer.apple.com/documentation/uikit/uicolor/standard_colors) names such as `labelColor` or `systemFillColor`.
On Android the `name` values are the same [app resource](https://developer.android.com/guide/topics/resources/providing-resources) path strings that can be expressed in XML:
XML Resource:
`@ [<package_name>:]<resource_type>/<resource_name>`
Style reference from current theme:
`?[<package_name>:][<resource_type>/]<resource_name>`
For example:
- `?android:colorError`
- `?android:attr/colorError`
- `?attr/colorPrimary`
- `?colorPrimaryDark`
- `android:color/holo_purple`
- `color/catalyst_redbox_background`
On iOS another type of system dynamic color can be created using the `IOSDynamicColor({dark: <color>, light:<color>})` method. The arguments are a tuple containing custom colors for light and dark themes. Such dynamic colors are useful for branding colors or other app specific colors that still respond automatically to system setting changes.
Example: `<View style={{ backgroundColor: IOSDynamicColor({light: 'black', dark: 'white'}) }}/>`
Other platforms could create platform specific functions similar to `IOSDynamicColor` per the needs of those platforms. For example, macOS has a similar dynamic color type that could be implemented via a `MacDynamicColor`. On Windows custom brushes that tint or otherwise modify a system brush could be created using a platform specific method.
## Changelog
[General] [Added] - Added PlatformColor implementations for iOS and Android
Pull Request resolved: https://github.com/facebook/react-native/pull/27908
Test Plan:
The changes have been tested using the RNTester test app for iOS and Android. On iOS a set of XCTestCase's were added to the Unit Tests.
<img width="924" alt="PlatformColor-ios-android" src="https://user-images.githubusercontent.com/30053638/73472497-ff183a80-433f-11ea-90d8-2b04338bbe79.png">
In addition `PlatformColor` support has been added to other out-of-tree platforms such as macOS and Windows has been implemented using these changes:
react-native for macOS branch: https://github.com/microsoft/react-native/compare/master...tom-un:tomun/platformcolors
react-native for Windows branch: https://github.com/microsoft/react-native-windows/compare/master...tom-un:tomun/platformcolors
iOS
|Light|Dark|
|{F229354502}|{F229354515}|
Android
|Light|Dark|
|{F230114392}|{F230114490}|
{F230122700}
Reviewed By: hramos
Differential Revision: D19837753
Pulled By: TheSavior
fbshipit-source-id: 82ca70d40802f3b24591bfd4b94b61f3c38ba829
Summary:
The accessibility roles and states description strings are not able to be localized on iOS platform. Those strings are exposed to the end users so it should be localized. This PR is to add localized strings as a resource bundle to the React Core Pod so that any React Native app integrating the React Native dependencies using CocoaPods can get the localized accessibility roles and states description.
## Changelog
[iOS] [Added] - Add localized accessibility strings to React Core pod
Pull Request resolved: https://github.com/facebook/react-native/pull/27995
Test Plan: Verified with RNTester app.
Differential Revision: D19975587
Pulled By: PeteTheHeat
fbshipit-source-id: f8eb4e25194f0cd603c98a6221ec87503a2826ed
Summary:
Changelog: [Internal]
In paper implementation:
`accessibilityActivate` returns NO in case `onAccessibilityTap` is nil.
In Fabric we have no option to detect whether `onAccessibilityTap` is nil or isn't but we don't want to prevent VoiceOver from tapping an element. This could potentially trigger action associated with element twice.
Let's say you have `onPress` and `onAccessibilityTap`, it will trigger both if you trigger action through VoiceOver.
Reviewed By: shergin
Differential Revision: D18572432
fbshipit-source-id: c5ac002317c798a10045b6f05738299d0ae27456
Summary:
React Native components need a mechanism to specify their value to assistive technologies. This PR adds the notion of accessibilityValueDescription-- a property which either contains a textual description of a component's value, or for range-based components, such as sliders and progress bars, it contains range information (minimum, current, and maximum).
On iOS, the range-based info if present is converted into a percentage and added to the accessibilityValue property of the UIView. If text is present as part of the accessibilityValueDescription, it is used instead of the range-based information.
On Android, any range-based information in accessibilityValueDescription is exposed in the AccessibilityNodeInfo's RangeInfo. Text which is part of accessibilityValueDescription is appended to the content description.
## Changelog
[GENERAL] [Change] - add accessibilityValuedescription property.
Pull Request resolved: https://github.com/facebook/react-native/pull/26169
Test Plan: Added two new accessibility examples to RNTester, one which uses text and another which uses range-based info in accessibilityValueDescription. Verified that they both behave correctly on both Android and iOS.
Differential Revision: D17444730
Pulled By: cpojer
fbshipit-source-id: 1fb3252a90f88f7cafe1cbf7db08c03f14cc2321
Summary:
We added the accessibilityState property as a more semantically rich way for components to describe information about their state to accessibility services. This PR removes the old accessibilityStates property.
<!-- Explain the **motivation** for making this change. What existing problem does the pull request solve? -->
## Changelog
[General] [Change] - Remove accessibilityStates property.
Pull Request resolved: https://github.com/facebook/react-native/pull/26168
Test Plan: Ensure that RNTester accessibility examples function properly on both iOS and Android.
Differential Revision: D17152891
Pulled By: cpojer
fbshipit-source-id: d71d3cf0f2e0846979d2ba104b6c69e4e5725252
Summary:
As PR [#24743](https://github.com/facebook/react-native/pull/24743) suggested, accessibility properties are better to set on UIView+React instead of RCTView so they can be used safely on any UIView.
## Changelog
[General] [Fixed] - Move accessibilityActions props to UIView+React
Pull Request resolved: https://github.com/facebook/react-native/pull/25015
Differential Revision: D15503131
Pulled By: cpojer
fbshipit-source-id: dedf9afbd0a1d35a5abbd13ace95ee620f718f39
Summary:
As currently defined, accessibilityStates is an array of strings, which represents the state of an object. The array of strings notion doesn't well encapsulate how various states are related, nor enforce any level of correctness.
This PR converts accessibilityStates to an object with a specific definition. So, rather than:
<View
...
accessibilityStates={['unchecked']}>
We have:
<View
accessibilityStates={{'checked': false}}>
And specifically define the checked state to either take a boolean or the "mixed" string (to represent mixed checkboxes).
We feel this API is easier to understand an implement, and provides better semantic definition of the states themselves, and how states are related to one another.
## Changelog
[general] [change] - Convert accessibilityStates to an object instead of an array of strings.
Pull Request resolved: https://github.com/facebook/react-native/pull/24608
Differential Revision: D15467980
Pulled By: cpojer
fbshipit-source-id: f0414c0ef6add3f10f7f551d323d82d978754278
Summary:
In case `RCTView` had no subviews, `RCTRecursiveAccessibilityLabel` was returning an empty string rather than nil.
I've noticed that https://fburl.com/i95iynxi returns empty string as well. Shall we change it there as well?
Reviewed By: shergin
Differential Revision: D15337865
fbshipit-source-id: 8e38a88321f3dcfdf35a38d43fdbe4f5118796f1
Summary:
This is a reconstitution of #24190. It extends accessibility actions to include both a name and user facing label. These extensions support both standard and custom actions.
We've also added actions support on Android, and added examples to RNTester showing how both standard and custom accessibility actions are used.
## Changelog
[general] [changed] - Enhanced accessibility actions support
Pull Request resolved: https://github.com/facebook/react-native/pull/24695
Differential Revision: D15391408
Pulled By: cpojer
fbshipit-source-id: 5ed48004d46d9887da53baea7fdcd0e7e15c5739
Summary:
React Native Gesture Handler uses a `RCTViewManager` subclass to manage `UIControl` so the cast to set accessibility props is not safe. This moves the accessibility props we set to `UIView+React` so they can be used safely on any `UIView`.
[General] [Fixed] - Move accessibility props to UIView+React
Pull Request resolved: https://github.com/facebook/react-native/pull/24743
Differential Revision: D15258062
Pulled By: cpojer
fbshipit-source-id: 4a25b79407e5cb7b3b368c7506161e989794bb26
Summary:
Assistive technologies use the accessibility role of a component to tell the disabled user what the component is, and provide hints about how to use it. Many important roles do not have analog AccessibilityTraits on iOS. This PR adds many critical roles, such as editabletext, checkbox, menu, and switch to name a few.
Accessibility states are used to convey the current state of a component. This PR adds several critical states such as checked, unchecked, on and off.
[general] [change] - Adds critical accessibility roles and states.
Pull Request resolved: https://github.com/facebook/react-native/pull/24095
Differential Revision: D15079245
Pulled By: cpojer
fbshipit-source-id: 941b30eb8f5d565597e5ea3a04687d9809cbe372
Summary:
Context: https://fb.workplace.com/groups/735885229793428/permalink/2329819300400005/
A large number of RN SSTs (https://fburl.com/screenshot_tests/itlks3mn) stopped working last week. Turns out I silently broke them with D13981728.
The issue is that SSTs were being run with `RCTRunningInTestEnvironment == false`. When D13981728 changed that, borders began drawing from a different code path (this diff). Somehow, using the graphics context to draw borders breaks https://fburl.com/pcce4y0h in SSTs.
Going forward, it doesn't make any sense to me why borders should be drawn any differently when testing.
Reviewed By: sahrens
Differential Revision: D14109654
fbshipit-source-id: b8a5c01b923c93c32a8fa8954a850070f55764bc
Summary: This change drops the year from the copyright headers and the LICENSE file.
Reviewed By: yungsters
Differential Revision: D9727774
fbshipit-source-id: df4fc1e4390733fe774b1a160dd41b4a3d83302a
Summary:
@public
Now all configurations or border styles are supported by RCTViewComponentView (and all subclasses).
Reviewed By: sahrens
Differential Revision: D9631868
fbshipit-source-id: 3a5b141ac5ffa9c28f4ebb0718f2fc935b8f1a75
Summary:
Includes React Native and its dependencies Fresco, Metro, and Yoga. Excludes samples/examples/docs.
find: ^(?:( *)|( *(?:[\*~#]|::))( )? *)?Copyright (?:\(c\) )?(\d{4})\b.+Facebook[\s\S]+?BSD[\s\S]+?(?:this source tree|the same directory)\.$
replace: $1$2$3Copyright (c) $4-present, Facebook, Inc.\n$2\n$1$2$3This source code is licensed under the MIT license found in the\n$1$2$3LICENSE file in the root directory of this source tree.
Reviewed By: TheSavior, yungsters
Differential Revision: D7007050
fbshipit-source-id: 37dd6bf0ffec0923bfc99c260bb330683f35553e
Summary:
Now setting explicit backgroundColor style is required for Views with background shadow,
otherwise the shadow will be generated based on content of the view (which is expected behaviour).
Reviewed By: mmmulani
Differential Revision: D6582587
fbshipit-source-id: 0514cb3c57bad17d2af40810b0e0f7ddc96a2c31
Summary:
This feature has been requested by customers. Our previous (pre-react) application had support for custom accessibility actions.
This feature allows UI elements to provide a list of custom actions that can be read when VoiceOver is enabled. UI elements expose one accessibility action by default. Some UI elements may support multiple actions though other mechanisms like tap and hold. To expose these actions in an accessible way iOS provides custom accessibility actions.
Feature was tested in the iOS simulator using the Accessibility Inspector. Custom actions were added to a button and observed in the tool. Custom actions were also invoked using the tool and then stepped through in the debugger.
The feature was also tested on an iPhone. VoiceOver was enabled on the device and custom actions were observed for controls that exposed them.
We have been using this feature in our app for some time as well.
[IOS] [ENHANCEMENT] [Accessibility] - Added support for custom accessibility actions
Eric Davison
Microsoft Corp.
Closes https://github.com/facebook/react-native/pull/17020
Differential Revision: D6472283
Pulled By: shergin
fbshipit-source-id: 4ac4697dca07028e87ffe71b70c00280e7f2043c
Summary:
Integration testing with Appium on iOS is slow. Profiling with Instruments.app points to `RCTView`'s `accessibilityLabel` method being a hot point in React Native, due to the `RCTRecursiveAccessibilityLabel` function.
I did a baseline benchmark by using Appium's `find_element(accessibility_id: <label>)` call on our application 10 times and got a baseline result of 0.6s for one of our primary screens.
After implementing the change and performing the same call 10 times, I got 0.48s for the same call, for a 20% performance increase in `find_element`.
[iOS] [View] - Improve performance of `RCTView` `accessibilityLabel`
<!--
Help reviewers and the release process by writing your own release notes
**INTERNAL and MINOR tagged notes will not be included in the next version's final release notes.**
CATEGORY
[----------] TYPE
[ CLI ] [-------------] LOCATION
[ DOCS ] [ BREAKING ] [-------------]
[ GENERAL ] [ BUGFIX ] [-{Component}-]
[ INTERNAL ] [ ENHANCEMENT ] [ {File} ]
[ IOS ] [ FEATURE ] [ {Directory} ] |-----------|
[ ANDROID ] [ MINOR ] [ {Framework} ] - | {Message} |
[----------] [-------------] [-------------] |-----------|
[CATEGORY] [TYPE] [LOCATION] - MESSAGE
EXAMPLES:
[IOS] [BREAKING] [FlatList] - Change a thing that breaks other things
[ANDROID] [BUGFIX] [TextInput] - Did a thing to TextInput
[CLI] [FEATURE] [local-cli/info/info.js] - CLI easier to do things with
[DOCS] [BUGFIX] [GettingStarted.md] - Accidentally a thing/word
[GENERAL] [ENHANCEMENT] [Yoga] - Added new yoga thing/position
[INTERNAL] [FEATURE] [./scripts] - Added thing to script that nobody will see
-->
Closes https://github.com/facebook/react-native/pull/17022
Differential Revision: D6459462
Pulled By: shergin
fbshipit-source-id: 3de7e5dc075281e35e62b4d4234d3f7fac5aae23
Summary:
This issue has been open for a really long time, but I'm pretty sure this is the line that needed to change:
https://github.com/facebook/react-native/issues/1831
What was happening here is that `CGRectIsEmpty` returns true when either height or width is zero. With the current logic, one of those would always be zero when the parent was rendered off screen. This ensures that there the intersection be of CGSizeZero for the view to actually be clipped.
That being said, there seems to be something more complex going on here that I'm not understanding? I would think that you'd simply want to check if the child view's frame is within the bounds of the parent at all. If it was, then don't clip it. If I'm in the wrong, could someone explain this a bit more? If so, I'll fix this issue.
Using this [repository](https://github.com/jcharlet/react_native_listview_bug), this one line change fixes the issue and still clips cells as they are scrolled off screen.
Closes https://github.com/facebook/react-native/pull/15669
Differential Revision: D5815056
Pulled By: shergin
fbshipit-source-id: 32382e4954139e4d5af67d786422fd87173b1a1a
Summary:
Sometimes, when we implement some custom RN view, we have to proxy all accessible atributes directly to some subview which actually has accesible content. So, in other words, this allows bypass some axillary views in terms of accessibility.
Concreate example which this approach supposed to fix:
https://github.com/facebook/react-native/pull/14200/files#diff-e5f6b1386b7ba07fd887bca11ec828a4R208
Reviewed By: mmmulani
Differential Revision: D5143860
fbshipit-source-id: 6d7ce747f28e5a31d32c925b8ad8fd4b98ce1de1
Summary:
This avoids reordering views because it created some bugs when the native hierarchy is different from the shadow views. This leverages `layer.zPosition` and takes z-index in consideration when we check what view should be the target of a touch.
**Test plan**
Tested that this fixes some layout issues that occurred when using sticky headers in the Expo home screen.
Closes https://github.com/facebook/react-native/pull/14011
Differential Revision: D5108437
Pulled By: shergin
fbshipit-source-id: 0abfe85666e9d236a190e6f54cdd5453cacfbcac
Summary:
In some cases, `RCTRecursiveAccessibilityLabel` could return an accessibility label that had leading space, trailing space, or multiple spaces between words. This is because it always added a space before adding a label even if the label turned out to be empty.
This is fixed by being stricter about adding spaces.
Found test cases that used to introduce leading space, trailing space, or multiple spaces between words and verified that there aren't any extra spaces after the fix.
```
{/* Used to have leading space */}
<View accessible={true}>
<View />
<View accessibilityLabel='Two' />
<View accessibilityLabel='Three' />
</View>
{/* Used to have 2 spaces between "One" and "Three" */}
<View accessible={true}>
<View accessibilityLabel='One' />
<View />
<View accessibilityLabel='Three' />
</View>
{/* Used to have trailing space */}
<View accessible={true}>
<View accessibilityLabel='One' />
<View accessibilityLabel='Two' />
<View />
</View>
```
Additionally, my team is using this fix in our app.
Adam Comella
Microsoft Corp.
Closes https://github.com/facebook/react-native/pull/14177
Differential Revision: D5127891
Pulled By: shergin
fbshipit-source-id: 42c3022895d844959e0037eaf381b326af3cd6d1
Summary:
In some cases, the accessibilityLabel contains a leading space. This is because `RCTRecursiveAccessibilityLabel` adds a space before every iteration of the loop including the first.
After this change, the contract is that:
- `RCTRecursiveAccessibilityLabel` always returns a string with a leading space.
- `accessibilityLabel` never returns a string with a leading space.
**Test plan**
I created a test app with the following code:
```
<View style={{height: 100, width: 100, backgroundColor: 'steelblue'}} accessible={true}>
<View style={{height: 20, width: 20, backgroundColor: 'red'}} accessibilityLabel='One' />
<View style={{height: 20, width: 20, backgroundColor: 'yellow'}} accessibilityLabel='Two' />
<View style={{height: 20, width: 20, backgroundColor: 'green'}} accessibilityLabel='Three' />
</View>
```
Before this change, the accessibilityLabel of the outermost View was " One Two Three" (notice the leading space).
After this change, it is "One Two Three" as desired.
Adam
Closes https://github.com/facebook/react-native/pull/12269
Reviewed By: javache
Differential Revision: D4596761
Pulled By: shergin
fbshipit-source-id: 7d5ff704e858d9f277d1547339a2831ffa90f592
Summary: Reveting the recent view clipping changes, since it doesn't work well with modals and the fix is not super simple.
Reviewed By: mmmulani
Differential Revision: D4204490
fbshipit-source-id: 510f2b04c604b3f3a223dc4accb424b030876fbe
Summary:
iOS and css have a different way to draw borders. Decision which rendering to use considers alpha value of given color as well.
If alpha=0 -> border is invisible -> we use ios render.
That doesn't work as expected in a case where only `borderWidth` property is set.
A default black color is used when no `borderColor` is set, but alpha checking logic will test `null`. Which resolves as alpha=0.
Reviewed By: javache
Differential Revision: D3750523
fbshipit-source-id: 453d52a16287c6286e8887a9ab3795d3ded1dec6
Summary:
This diff implement the CSS z-index for React Native iOS views. We've had numerous pull request for this feature, but they've all attempted to use the `layer.zPosition` property, which is problematic for two reasons:
1. zPosition only affects rendering order, not event processing order. Views with a higher zPosition will appear in front of others in the hierarchy, but won't be the first to receive touch events, and may be blocked by views that are visually behind them.
2. when using a perspective transform matrix, views with a nonzero zPosition will be rendered in a different position due to parallax, which probably isn't desirable.
See https://github.com/facebook/react-native/pull/7825 for further discussion of this problem.
So instead of using `layer.zPosition`, I've implemented this by actually adjusting the order of the subviews within their parent based on the zIndex. This can't be done on the JS side because it would affect layout, which is order-dependent, so I'm doing it inside the view itself.
It works as follows:
1. The `reactSubviews` array is set, whose order matches the order of the JS components and shadowView components, as specified by the UIManager.
2. `didUpdateReactSubviews` is called, which in turn calls `sortedSubviews` (which lazily generates a sorted array of `reactSubviews` by zIndex) and inserts the result into the view.
3. If a subview is added or removed, or the zIndex of any subview is changed, the previous `sortedSubviews` array is cleared and `didUpdateReactSubviews` is called again.
To demonstrate it working, I've modified the UIExplorer example from https://github.com/facebook/react-native/pull/7825
Reviewed By: javache
Differential Revision: D3365717
fbshipit-source-id: b34aa8bfad577bce023f8af5414f9b974aafd8aa
Summary:
This diff refactors the view update process into two stages:
1. The `reactSubviews` array is set, whose order matches the order of the JS components and shadowView components, as specified by the UIManager.
2. The `didUpdateReactSubviews` method is called, which actually inserts the reactSubviews into the view hierarchy.
This simplifies a lot of the hacks we had for special-case treatment of subviews: In many cases we don't want to actually insert `reactSubviews` into the parentView, and we had a bunch of component-specific solutions for that (typically overriding all of the reactSubviews methods to store views in an array). Now, we can simply override the `didUpdateReactSubviews` method for those views to do nothing, or do something different.
Reviewed By: wwjholmes
Differential Revision: D3396594
fbshipit-source-id: 92fc56fd31db0cfc66aac3d1634a4d4ae3903085
Christoph Purrer
Eric Edouard
Phillip Pan
Danilo Bürger
Andres Suarez
Ken Tominaga
Jason Safaiyeh
Peter Argany
Valentin Shergin
Tom Underhill
Sharon Gong
Samuel Susla
Marc Mulcahy
Janic Duplessis
Doug Russell
Héctor Ramos
Sophie Alpert
Eric Davison
chendo
Ramanpreet Nara
tfallon@mail.depaul.edu
Jakub Grzmiel
Adam Comella
Martin Kralik
Nick Lockwood
