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RUM-3531 WebView slot cache #1760

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merged 3 commits into from
Apr 12, 2024
Merged

RUM-3531 WebView slot cache #1760

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d524f2b
RUM-3531 WebView slot cache
maxep Mar 21, 2024
6eff630
RUM-3135 Build hidden webview wireframes
maxep Apr 5, 2024
62185d6
RUM-3531 Use NSHashTable as webview cache
maxep Apr 12, 2024
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24 changes: 14 additions & 10 deletions Datadog/Datadog.xcodeproj/project.pbxproj
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Original file line number Diff line number Diff line change
Expand Up @@ -481,8 +481,6 @@
61F2728B25C9561A00D54BF8 /* PLCrashReporterIntegration.swift in Sources */ = {isa = PBXBuildFile; fileRef = 61F2728A25C9561A00D54BF8 /* PLCrashReporterIntegration.swift */; };
61F272B125C95ED800D54BF8 /* Mocks.swift in Sources */ = {isa = PBXBuildFile; fileRef = 61F2729A25C95EB200D54BF8 /* Mocks.swift */; };
61F74AF426F20E4600E5F5ED /* DebugCrashReportingWithRUMViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 61F74AF326F20E4600E5F5ED /* DebugCrashReportingWithRUMViewController.swift */; };
61F930CB2BA213AC005F0EE2 /* AppHang.swift in Sources */ = {isa = PBXBuildFile; fileRef = 61F930CA2BA213AC005F0EE2 /* AppHang.swift */; };
61F930CC2BA213AC005F0EE2 /* AppHang.swift in Sources */ = {isa = PBXBuildFile; fileRef = 61F930CA2BA213AC005F0EE2 /* AppHang.swift */; };
61F930BE2BA1ACAC005F0EE2 /* Storage+TLV.swift in Sources */ = {isa = PBXBuildFile; fileRef = 61F930BD2BA1ACAC005F0EE2 /* Storage+TLV.swift */; };
61F930BF2BA1ACAC005F0EE2 /* Storage+TLV.swift in Sources */ = {isa = PBXBuildFile; fileRef = 61F930BD2BA1ACAC005F0EE2 /* Storage+TLV.swift */; };
61F930C22BA1C41A005F0EE2 /* TLVBlockReader.swift in Sources */ = {isa = PBXBuildFile; fileRef = 61F930C12BA1C41A005F0EE2 /* TLVBlockReader.swift */; };
Expand All @@ -491,6 +489,8 @@
61F930C62BA1C4EB005F0EE2 /* TLVBlockReaderTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 61F930C42BA1C4EB005F0EE2 /* TLVBlockReaderTests.swift */; };
61F930C82BA1C51C005F0EE2 /* Storage+TLVTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 61F930C72BA1C51C005F0EE2 /* Storage+TLVTests.swift */; };
61F930C92BA1C51C005F0EE2 /* Storage+TLVTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 61F930C72BA1C51C005F0EE2 /* Storage+TLVTests.swift */; };
61F930CB2BA213AC005F0EE2 /* AppHang.swift in Sources */ = {isa = PBXBuildFile; fileRef = 61F930CA2BA213AC005F0EE2 /* AppHang.swift */; };
61F930CC2BA213AC005F0EE2 /* AppHang.swift in Sources */ = {isa = PBXBuildFile; fileRef = 61F930CA2BA213AC005F0EE2 /* AppHang.swift */; };
61F9CABA2513A7F5000A5E61 /* RUMSessionMatcher.swift in Sources */ = {isa = PBXBuildFile; fileRef = 61F9CA982513977A000A5E61 /* RUMSessionMatcher.swift */; };
61FC5F3525CC1898006BB4DE /* CrashContextProviderTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 61FC5F3425CC1898006BB4DE /* CrashContextProviderTests.swift */; };
61FDBA1326971953001D9D43 /* CrashReportMinifier.swift in Sources */ = {isa = PBXBuildFile; fileRef = 61FDBA1226971953001D9D43 /* CrashReportMinifier.swift */; };
Expand Down Expand Up @@ -541,6 +541,7 @@
A7EA11622AB0CE6C00C73970 /* DDUIKitRUMActionsPredicateTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = A7DA18062AB0CA4700F76337 /* DDUIKitRUMActionsPredicateTests.swift */; };
A7EA88562B17639A00FE2580 /* ResourcesWriter.swift in Sources */ = {isa = PBXBuildFile; fileRef = A7EA88552B17639A00FE2580 /* ResourcesWriter.swift */; };
A7F651302B7655DE004B0EDB /* UIImageResourceTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = A7F6512F2B7655DE004B0EDB /* UIImageResourceTests.swift */; };
D2056C212BBFE05A0085BC76 /* WireframesBuilderTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = D2056C202BBFE05A0085BC76 /* WireframesBuilderTests.swift */; };
D20605A3287464F40047275C /* ContextValuePublisher.swift in Sources */ = {isa = PBXBuildFile; fileRef = D20605A2287464F40047275C /* ContextValuePublisher.swift */; };
D20605A4287464F40047275C /* ContextValuePublisher.swift in Sources */ = {isa = PBXBuildFile; fileRef = D20605A2287464F40047275C /* ContextValuePublisher.swift */; };
D20605A6287476230047275C /* ServerOffsetPublisher.swift in Sources */ = {isa = PBXBuildFile; fileRef = D20605A5287476230047275C /* ServerOffsetPublisher.swift */; };
Expand Down Expand Up @@ -2410,11 +2411,11 @@
61F3CDA62512144600C816E5 /* UIKitRUMViewsPredicate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UIKitRUMViewsPredicate.swift; sourceTree = "<group>"; };
61F3CDAA25121FB500C816E5 /* UIViewControllerSwizzlerTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UIViewControllerSwizzlerTests.swift; sourceTree = "<group>"; };
61F74AF326F20E4600E5F5ED /* DebugCrashReportingWithRUMViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DebugCrashReportingWithRUMViewController.swift; sourceTree = "<group>"; };
61F930CA2BA213AC005F0EE2 /* AppHang.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppHang.swift; sourceTree = "<group>"; };
61F930BD2BA1ACAC005F0EE2 /* Storage+TLV.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Storage+TLV.swift"; sourceTree = "<group>"; };
61F930C12BA1C41A005F0EE2 /* TLVBlockReader.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TLVBlockReader.swift; sourceTree = "<group>"; };
61F930C42BA1C4EB005F0EE2 /* TLVBlockReaderTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TLVBlockReaderTests.swift; sourceTree = "<group>"; };
61F930C72BA1C51C005F0EE2 /* Storage+TLVTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Storage+TLVTests.swift"; sourceTree = "<group>"; };
61F930CA2BA213AC005F0EE2 /* AppHang.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppHang.swift; sourceTree = "<group>"; };
61F9CA982513977A000A5E61 /* RUMSessionMatcher.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RUMSessionMatcher.swift; sourceTree = "<group>"; };
61FB222C244A21ED00902D19 /* LoggingFeatureMocks.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LoggingFeatureMocks.swift; sourceTree = "<group>"; };
61FB222F244E1BE900902D19 /* DatadogLogsFeatureTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DatadogLogsFeatureTests.swift; sourceTree = "<group>"; };
Expand Down Expand Up @@ -2491,6 +2492,7 @@
B3BBBCBB265E71D100943419 /* VitalMemoryReaderTests.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = VitalMemoryReaderTests.swift; sourceTree = "<group>"; };
B3FC3C0626526EFF00DEED9E /* VitalInfo.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = VitalInfo.swift; sourceTree = "<group>"; };
B3FC3C3B2653A97700DEED9E /* VitalInfoTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = VitalInfoTests.swift; sourceTree = "<group>"; };
D2056C202BBFE05A0085BC76 /* WireframesBuilderTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = WireframesBuilderTests.swift; sourceTree = "<group>"; };
D20605A2287464F40047275C /* ContextValuePublisher.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ContextValuePublisher.swift; sourceTree = "<group>"; };
D20605A5287476230047275C /* ServerOffsetPublisher.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ServerOffsetPublisher.swift; sourceTree = "<group>"; };
D20605A82874C1CD0047275C /* NetworkConnectionInfoPublisher.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NetworkConnectionInfoPublisher.swift; sourceTree = "<group>"; };
Expand Down Expand Up @@ -3272,10 +3274,10 @@
61054E242A6EE10A00AAA894 /* ViewTreeSnapshot.swift */,
61054E252A6EE10A00AAA894 /* ViewTreeSnapshotBuilder.swift */,
61054E262A6EE10A00AAA894 /* ViewTreeRecorder.swift */,
61054E272A6EE10A00AAA894 /* NodeRecorders */,
61054E372A6EE10A00AAA894 /* ViewAttributes+Copy.swift */,
61054E382A6EE10A00AAA894 /* ViewTreeRecordingContext.swift */,
61054E392A6EE10A00AAA894 /* NodeIDGenerator.swift */,
61054E272A6EE10A00AAA894 /* NodeRecorders */,
);
path = ViewTreeSnapshot;
sourceTree = "<group>";
Expand Down Expand Up @@ -3352,7 +3354,7 @@
A7B932F42B1F694000AE6477 /* ResourcesProcessor.swift */,
61054E492A6EE10A00AAA894 /* Privacy */,
61054E4C2A6EE10A00AAA894 /* Diffing */,
61054E4F2A6EE10A00AAA894 /* SRDataModelsBuilder */,
61054E4F2A6EE10A00AAA894 /* Builders */,
61054E522A6EE10A00AAA894 /* Flattening */,
);
path = Processor;
Expand All @@ -3375,13 +3377,13 @@
path = Diffing;
sourceTree = "<group>";
};
61054E4F2A6EE10A00AAA894 /* SRDataModelsBuilder */ = {
61054E4F2A6EE10A00AAA894 /* Builders */ = {
isa = PBXGroup;
children = (
61054E502A6EE10A00AAA894 /* RecordsBuilder.swift */,
61054E512A6EE10A00AAA894 /* WireframesBuilder.swift */,
);
path = SRDataModelsBuilder;
path = Builders;
sourceTree = "<group>";
};
61054E522A6EE10A00AAA894 /* Flattening */ = {
Expand Down Expand Up @@ -3452,7 +3454,7 @@
children = (
61054F4F2A6EE1BA00AAA894 /* Privacy */,
61054F512A6EE1BA00AAA894 /* Diffing */,
61054F542A6EE1BA00AAA894 /* SRDataModelsBuilder */,
61054F542A6EE1BA00AAA894 /* Builders */,
61054F562A6EE1BA00AAA894 /* SnapshotProcessorTests.swift */,
A7D9528B2B28C18D004C79B1 /* ResourceProcessorTests.swift */,
61054F572A6EE1BA00AAA894 /* Flattening */,
Expand All @@ -3477,12 +3479,13 @@
path = Diffing;
sourceTree = "<group>";
};
61054F542A6EE1BA00AAA894 /* SRDataModelsBuilder */ = {
61054F542A6EE1BA00AAA894 /* Builders */ = {
isa = PBXGroup;
children = (
61054F552A6EE1BA00AAA894 /* RecordsBuilderTests.swift */,
D2056C202BBFE05A0085BC76 /* WireframesBuilderTests.swift */,
);
path = SRDataModelsBuilder;
path = Builders;
sourceTree = "<group>";
};
61054F572A6EE1BA00AAA894 /* Flattening */ = {
Expand Down Expand Up @@ -7880,6 +7883,7 @@
61054FA52A6EE1BA00AAA894 /* RecordsBuilderTests.swift in Sources */,
61054FD02A6EE1BA00AAA894 /* SRContextPublisherTests.swift in Sources */,
61054F9B2A6EE1BA00AAA894 /* QueueTests.swift in Sources */,
D2056C212BBFE05A0085BC76 /* WireframesBuilderTests.swift in Sources */,
61054F992A6EE1BA00AAA894 /* ColorsTests.swift in Sources */,
61054FBF2A6EE1BA00AAA894 /* UIPickerViewRecorderTests.swift in Sources */,
61054FAE2A6EE1BA00AAA894 /* TouchIdentifierGeneratorTests.swift in Sources */,
Expand Down
5 changes: 3 additions & 2 deletions Datadog/IntegrationUnitTests/SessionReplay/WebRecordIntegrationTests.swift
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Expand Up @@ -43,6 +43,7 @@ class WebRecordIntegrationTests: XCTestCase {

func testWebRecordIntegration() throws {
// Given
let webView = WKWebView()
let randomApplicationID: String = .mockRandom()
let randomUUID: UUID = .mockRandom()
let randomBrowserViewID: UUID = .mockRandom()
Expand All @@ -65,7 +66,7 @@ class WebRecordIntegrationTests: XCTestCase {

// When
RUMMonitor.shared(in: core).startView(key: "web-view")
controller.send(body: body)
controller.send(body: body, from: webView)
controller.flush()

// Then
Expand All @@ -74,7 +75,7 @@ class WebRecordIntegrationTests: XCTestCase {
let segment = try XCTUnwrap(segments.first)

let expectedUUID = randomUUID.uuidString.lowercased()
let expectedSlotID = "\(controller.hash as Int)" // explicitly get the NSObject.hash
let expectedSlotID = String(webView.hash)

XCTAssertEqual(segment.applicationID, randomApplicationID)
XCTAssertEqual(segment.sessionID, expectedUUID)
Expand Down
9 changes: 6 additions & 3 deletions DatadogCore/Tests/Datadog/Mocks/SystemFrameworks/WebKitMocks.swift
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Expand Up @@ -22,9 +22,9 @@ final class WKUserContentControllerMock: WKUserContentController {
handlers[name] = nil
}

func send(body: Any) {
func send(body: Any, from webView: WKWebView? = nil) {
let handler = handlers[DDScriptMessageHandler.name]
let message = WKScriptMessageMock(body: body, name: DDScriptMessageHandler.name)
let message = WKScriptMessageMock(body: body, name: DDScriptMessageHandler.name, webView: webView)
handler?.userContentController(self, didReceive: message)
}

Expand All @@ -41,14 +41,17 @@ final class WKUserContentControllerMock: WKUserContentController {
private final class WKScriptMessageMock: WKScriptMessage {
private let _body: Any
private let _name: String
private weak var _webView: WKWebView?

init(body: Any, name: String) {
init(body: Any, name: String, webView: WKWebView? = nil) {
_body = body
_name = name
_webView = webView
}

override var body: Any { _body }
override var name: String { _name }
override weak var webView: WKWebView? { _webView }
}

#endif
5 changes: 1 addition & 4 deletions DatadogRUM/Tests/Integrations/WebViewEventReceiverTests.swift
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Expand Up @@ -165,10 +165,7 @@ class WebViewEventReceiverTests: XCTestCase {

func testGivenRUMContextAvailable_whenReceivingWebEvent_itGetsEnrichedWithOtherMobileContextAndWritten() throws {
let core = PassthroughCoreMock(
context: .mockWith(
source: "react-native",
serverTimeOffset: .mockRandom(min: -10, max: 10).rounded()
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any reason for dropping the fuzzy offset?

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I have noticed it to be flaky..

)
context: .mockWith(source: "react-native")
)

// Given
Expand Down
10 changes: 9 additions & 1 deletion DatadogSessionReplay/Sources/Models/SRDataModels.swift
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Expand Up @@ -452,6 +452,9 @@ public struct SRWebviewWireframe: Codable, Hashable {
/// Defines the unique ID of the wireframe. This is persistent throughout the view lifetime.
public let id: Int64

/// Whether this web-view is visible or not.
public let isVisible: Bool?

/// The style of this wireframe.
public let shapeStyle: SRShapeStyle?

Expand All @@ -475,6 +478,7 @@ public struct SRWebviewWireframe: Codable, Hashable {
case clip = "clip"
case height = "height"
case id = "id"
case isVisible = "isVisible"
case shapeStyle = "shapeStyle"
case slotId = "slotId"
case type = "type"
Expand Down Expand Up @@ -970,6 +974,9 @@ public struct SRIncrementalSnapshotRecord: Codable {
/// Defines the unique ID of the wireframe. This is persistent throughout the view lifetime.
public let id: Int64

/// Whether this web-view is visible or not.
public let isVisible: Bool?

/// The style of this wireframe.
public let shapeStyle: SRShapeStyle?

Expand All @@ -993,6 +1000,7 @@ public struct SRIncrementalSnapshotRecord: Codable {
case clip = "clip"
case height = "height"
case id = "id"
case isVisible = "isVisible"
case shapeStyle = "shapeStyle"
case slotId = "slotId"
case type = "type"
Expand Down Expand Up @@ -1322,4 +1330,4 @@ public enum SRRecord: Codable {
}
}
#endif
// Generated from https://github.com/DataDog/rum-events-format/tree/c3747b3facf75e51cbad4c32f77ec3894f5a7249
// Generated from https://github.com/DataDog/rum-events-format/tree/be033e3251da4a20891a774f9843c489a693c80d
0 .../SRDataModelsBuilder/RecordsBuilder.swift → ...s/Processor/Builders/RecordsBuilder.swift
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50 changes: 45 additions & 5 deletions ...DataModelsBuilder/WireframesBuilder.swift → ...rocessor/Builders/WireframesBuilder.swift
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Expand Up @@ -20,6 +20,23 @@ public typealias WireframeID = NodeID
/// Note: `WireframesBuilder` is used by `Processor` on a single background thread.
@_spi(Internal)
public class SessionReplayWireframesBuilder {
/// The cache of webview slot IDs in memory during snapshot.
private var webViewSlotIDs: Set<Int>

/// Creates a builder for builder wireframes in snapshot processing.
///
/// The builder takes optional webview slot IDs in cache that can be updated
/// while traversing the node. The cache will be used to create wireframes
/// that are not visible be still need to be kept by the player.
///
/// - Parameter webviewSlotIDs: The webview slot IDs in memory during snapshot.
init(webViewSlotIDs: Set<Int> = []) {
self.webViewSlotIDs = webViewSlotIDs
}
}

@_spi(Internal)
extension SessionReplayWireframesBuilder {
/// A set of fallback values to use if the actual value cannot be read or converted.
///
/// The idea is to always provide value, which would make certain element visible in the player.
Expand Down Expand Up @@ -177,10 +194,9 @@ public class SessionReplayWireframesBuilder {
return .placeholderWireframe(value: wireframe)
}

public func createWebViewWireframe(
id: Int64,
public func visibleWebViewWireframe(
id: Int,
frame: CGRect,
slotId: String,
clip: SRContentClip? = nil,
borderColor: CGColor? = nil,
borderWidth: CGFloat? = nil,
Expand All @@ -192,17 +208,41 @@ public class SessionReplayWireframesBuilder {
border: createShapeBorder(borderColor: borderColor, borderWidth: borderWidth),
clip: clip,
height: Int64(withNoOverflow: frame.height),
id: id,
id: Int64(id),
isVisible: true,
shapeStyle: createShapeStyle(backgroundColor: backgroundColor, cornerRadius: cornerRadius, opacity: opacity),
slotId: slotId,
slotId: String(id),
width: Int64(withNoOverflow: frame.size.width),
x: Int64(withNoOverflow: frame.minX),
y: Int64(withNoOverflow: frame.minY)
)

/// Remove the slot from the builder because a wireframe
/// has been created.
webViewSlotIDs.remove(id)
return .webviewWireframe(value: wireframe)
}

internal func hiddenWebViewWireframes() -> [SRWireframe] {
defer { webViewSlotIDs.removeAll() }
return webViewSlotIDs.map { id in
let wireframe = SRWebviewWireframe(
border: nil,
clip: nil,
height: 0,
id: Int64(id),
isVisible: false,
shapeStyle: nil,
slotId: String(id),
width: 0,
x: 0,
y: 0
)

return .webviewWireframe(value: wireframe)
}
}

// MARK: - Private

private func createShapeBorder(borderColor: CGColor?, borderWidth: CGFloat?) -> SRShapeBorder? {
Expand Down
1 change: 1 addition & 0 deletions DatadogSessionReplay/Sources/Processor/Diffing/Diff+SRWireframes.swift
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Expand Up @@ -196,6 +196,7 @@ extension SRWebviewWireframe: MutableWireframe {
clip: use(clip, ifDifferentThan: other.clip),
height: use(height, ifDifferentThan: other.height),
id: id,
isVisible: use(isVisible, ifDifferentThan: other.isVisible),
shapeStyle: use(shapeStyle, ifDifferentThan: other.shapeStyle),
slotId: slotId,
width: use(width, ifDifferentThan: other.width),
Expand Down
16 changes: 10 additions & 6 deletions DatadogSessionReplay/Sources/Processor/SnapshotProcessor.swift
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Expand Up @@ -33,8 +33,6 @@ internal protocol SnapshotProcessing {
internal class SnapshotProcessor: SnapshotProcessing {
/// Flattens VTS received from `Recorder` by removing invisible nodes.
private let nodesFlattener = NodesFlattener()
/// Builds SR wireframes to describe UI elements.
private let wireframesBuilder = WireframesBuilder()
/// Builds SR records to transport SR wireframes.
private let recordsBuilder: RecordsBuilder

Expand Down Expand Up @@ -78,10 +76,16 @@ internal class SnapshotProcessor: SnapshotProcessing {
}

private func processSync(viewTreeSnapshot: ViewTreeSnapshot, touchSnapshot: TouchSnapshot?) {
let flattenedNodes = nodesFlattener.flattenNodes(in: viewTreeSnapshot)
let wireframes: [SRWireframe] = flattenedNodes
.map { node in node.wireframesBuilder }
.flatMap { nodeBuilder in nodeBuilder.buildWireframes(with: wireframesBuilder) }
let builder = WireframesBuilder(webViewSlotIDs: viewTreeSnapshot.webViewSlotIDs)
let nodes = nodesFlattener.flattenNodes(in: viewTreeSnapshot)

// build wireframe from nodes
var wireframes: [SRWireframe] = nodes.flatMap { node in
node.wireframesBuilder.buildWireframes(with: builder)
}

// build hidden webview wireframes and place them at the beginning
wireframes = builder.hiddenWebViewWireframes() + wireframes

interceptWireframes?(wireframes)

Expand Down
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