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55 lines
1.5 KiB
Swift
55 lines
1.5 KiB
Swift
#if os(iOS)
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@_spi(Internal) import DivKit
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import LayoutKit
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import Serialization
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import VGSL
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/// Use `div-base.layout_provider`.
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@_spi(Legacy)
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public final class SizeProviderExtensionHandler: DivExtensionHandler {
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public let id = "size_provider"
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private let handler: DivLayoutProviderHandler
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public init(variablesStorage: DivVariablesStorage) {
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handler = DivLayoutProviderHandler(variablesStorage: variablesStorage)
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}
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public func applyAfterBaseProperties(
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to block: Block,
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div: DivBase,
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context: DivBlockModelingContext
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) -> Block {
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let extensionParams = getExtensionParams(div)
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let widthVariableName: DivVariableName? = try? extensionParams
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.getOptionalField("width_variable_name")
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let heightVariableName: DivVariableName? = try? extensionParams
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.getOptionalField("height_variable_name")
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if widthVariableName == nil, heightVariableName == nil {
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DivKitLogger.error("No valid params for SizeProviderExtensionHandler")
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return block
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}
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return handler.apply(
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block: block,
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path: context.path,
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widthVariableName: widthVariableName,
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heightVariableName: heightVariableName
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)
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}
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public func onCardUpdated(reasons: [DivCardUpdateReason]) {
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let hasNotVariableReason = reasons.isEmpty || reasons.contains {
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switch $0 {
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case .variable:
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false
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default:
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true
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}
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}
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if hasNotVariableReason {
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handler.resetUpdatedVariables()
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}
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}
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}
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#endif
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