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预加载控制器补充页面视图缓存命中日志

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pageViewForDisplay / prime / takePreloadedView 三条取视图路径打印
HIT/MISS 及视图地址,invalidate 打印被清空的缓存页码,便于排查
翻页时页面视图是否命中缓存。

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
shenlei 2026-07-06 11:22:09 +09:00
parent 47fe2dc450
commit f796823db8
1 changed files with 28 additions and 0 deletions
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28
Sources/RDReaderView/ReaderView/Paging/RDReaderPreloadController.swift
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@ -66,6 +66,10 @@ final class RDReaderPreloadController {
}
func invalidate(environment: Environment) {
RDReaderTapDebug.log(
"PreloadController.invalidate",
"clearing pageCurlCached=\(pageCurlCachedViews.keys.sorted()) preloaded=\(preloadedPageViews.keys.sorted())"
)
pageCurlCachedViews.values.forEach { $0.removeFromSuperview() }
preloadedPageViews.values.forEach { $0.removeFromSuperview() }
pageCurlCachedViews.removeAll()
@ -81,8 +85,16 @@ final class RDReaderPreloadController {
let view: UIView
if let reusableView = detachedReusablePageView(for: pageNum) {
view = reusableView
RDReaderTapDebug.log(
"PreloadController.pageViewForDisplay",
"cache HIT page=\(pageNum) view=\(RDReaderTapDebug.describe(reusableView))"
)
} else {
view = contentViewProvider(pageNum, nil) ?? UIView()
RDReaderTapDebug.log(
"PreloadController.pageViewForDisplay",
"cache MISS page=\(pageNum) created=\(RDReaderTapDebug.describe(view))"
)
}
if shouldCache(view: view, for: pageNum, environment: environment) {
pageCurlCachedViews[pageNum] = view
@ -95,6 +107,10 @@ final class RDReaderPreloadController {
func takePreloadedView(for pageNum: Int) -> UIView? {
let preloaded = preloadedPageViews.removeValue(forKey: pageNum)
preloaded?.removeFromSuperview()
RDReaderTapDebug.log(
"PreloadController.takePreloadedView",
"cache \(preloaded == nil ? "MISS" : "HIT") page=\(pageNum) view=\(RDReaderTapDebug.describe(preloaded))"
)
return preloaded
}
@ -118,10 +134,22 @@ final class RDReaderPreloadController {
let contentView: UIView
if let existing = preloadedPageViews[targetPage], existing.superview === preloadHostView {
contentView = existing
RDReaderTapDebug.log(
"PreloadController.prime",
"cache HIT(preloaded) page=\(targetPage) view=\(RDReaderTapDebug.describe(existing))"
)
} else if let cached = pageCurlCachedViews.removeValue(forKey: targetPage), cached.superview == nil {
contentView = cached
RDReaderTapDebug.log(
"PreloadController.prime",
"cache HIT(pageCurl) page=\(targetPage) view=\(RDReaderTapDebug.describe(cached))"
)
} else {
contentView = contentViewProvider(targetPage, nil) ?? UIView()
RDReaderTapDebug.log(
"PreloadController.prime",
"cache MISS page=\(targetPage) created=\(RDReaderTapDebug.describe(contentView))"
)
}
let shouldCacheContentView = shouldCache(view: contentView, for: targetPage, environment: environment)
if shouldCacheContentView {