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Stream improvements

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This commit is contained in:
Ali
2022-02-26 02:22:10 +04:00
parent 6fb5008c0f
commit 089642a0bb
35 changed files with 1227 additions and 309 deletions
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29
submodules/ComponentFlow/Source/Host/ComponentHostView.swift
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@@ -17,7 +17,7 @@ private func findTaggedViewImpl(view: UIView, tag: Any) -> UIView? {
return nil
}
public final class ComponentHostView<EnvironmentType>: UIView {
public final class ComponentHostView<EnvironmentType: Equatable>: UIView {
private var currentComponent: AnyComponent<EnvironmentType>?
private var currentContainerSize: CGSize?
private var currentSize: CGSize?
@@ -33,19 +33,12 @@ public final class ComponentHostView<EnvironmentType>: UIView {
}
public func update(transition: Transition, component: AnyComponent<EnvironmentType>, @EnvironmentBuilder environment: () -> Environment<EnvironmentType>, containerSize: CGSize) -> CGSize {
if let currentComponent = self.currentComponent, let currentContainerSize = self.currentContainerSize, let currentSize = self.currentSize {
if currentContainerSize == containerSize && currentComponent == component {
return currentSize
}
}
self.currentComponent = component
self.currentContainerSize = containerSize
let size = self._update(transition: transition, component: component, maybeEnvironment: environment, updateEnvironment: true, containerSize: containerSize)
let size = self._update(transition: transition, component: component, maybeEnvironment: environment, updateEnvironment: true, forceUpdate: false, containerSize: containerSize)
self.currentSize = size
return size
}
private func _update(transition: Transition, component: AnyComponent<EnvironmentType>, maybeEnvironment: () -> Environment<EnvironmentType>, updateEnvironment: Bool, containerSize: CGSize) -> CGSize {
private func _update(transition: Transition, component: AnyComponent<EnvironmentType>, maybeEnvironment: () -> Environment<EnvironmentType>, updateEnvironment: Bool, forceUpdate: Bool, containerSize: CGSize) -> CGSize {
precondition(!self.isUpdating)
self.isUpdating = true
@@ -72,6 +65,20 @@ public final class ComponentHostView<EnvironmentType>: UIView {
let _ = maybeEnvironment()
EnvironmentBuilder._environment = nil
}
let isEnvironmentUpdated = context.erasedEnvironment.calculateIsUpdated()
if isEnvironmentUpdated {
context.erasedEnvironment._isUpdated = false
}
if !forceUpdate, !isEnvironmentUpdated, let currentComponent = self.currentComponent, let currentContainerSize = self.currentContainerSize, let currentSize = self.currentSize {
if currentContainerSize == containerSize && currentComponent == component {
self.isUpdating = false
return currentSize
}
}
self.currentComponent = component
self.currentContainerSize = containerSize
componentState._updated = { [weak self] transition in
guard let strongSelf = self else {
@@ -79,7 +86,7 @@ public final class ComponentHostView<EnvironmentType>: UIView {
}
let _ = strongSelf._update(transition: transition, component: component, maybeEnvironment: {
preconditionFailure()
} as () -> Environment<EnvironmentType>, updateEnvironment: false, containerSize: containerSize)
} as () -> Environment<EnvironmentType>, updateEnvironment: false, forceUpdate: true, containerSize: containerSize)
}
let updatedSize = component._update(view: componentView, availableSize: containerSize, environment: context.erasedEnvironment, transition: transition)