Epub阅读器0.0.1

2026-05-21 19:40:51 +08:00
commit daa36d8fe7
559 changed files with 106266 additions and 0 deletions
@@ -0,0 +1,49 @@
+import Foundation
+
+enum RDEPUBFixedLayoutTemplate {
+    static func html(for request: RDEPUBFixedRenderRequest, publication: RDEPUBPublication) -> String {
+        let panes = request.spread.resources.enumerated().compactMap { index, resource -> String? in
+            guard let url = publication.resourceResolver.resourceURL(forRelativePath: resource.href)?.absoluteString else {
+                return nil
+            }
+
+            let pageType: String
+            if request.spread.resources.count == 1 {
+                pageType = "single"
+            } else if request.spread.resources.count == 2 {
+                pageType = index == 0 ? "left" : "right"
+            } else {
+                pageType = "center"
+            }
+
+            return """
+            <div class=\"ss-fixed-viewport\" data-page-type=\"\(pageType)\">
+              <iframe class=\"ss-fixed-page\" data-page-type=\"\(pageType)\" scrolling=\"no\" src=\"\(url)\"></iframe>
+            </div>
+            """
+        }.joined()
+
+        let background = request.backgroundColorCSS ?? "#FFFFFF"
+        let viewportWidth = max(1, Int((request.viewportSize.width - request.contentInset.left - request.contentInset.right).rounded(.down)))
+        let viewportHeight = max(1, Int((request.viewportSize.height - request.contentInset.top - request.contentInset.bottom).rounded(.down)))
+        let insetTop = Int(request.contentInset.top.rounded(.down))
+        let insetRight = Int(request.contentInset.right.rounded(.down))
+        let insetBottom = Int(request.contentInset.bottom.rounded(.down))
+        let insetLeft = Int(request.contentInset.left.rounded(.down))
+        return RDEPUBAssetRepository.string(
+            for: .fixedLayoutTemplate,
+            replacements: [
+                "BACKGROUND": background,
+                "INSET_TOP": String(insetTop),
+                "INSET_RIGHT": String(insetRight),
+                "INSET_BOTTOM": String(insetBottom),
+                "INSET_LEFT": String(insetLeft),
+                "VIEWPORT_WIDTH": String(viewportWidth),
+                "VIEWPORT_HEIGHT": String(viewportHeight),
+                "PANES": panes,
+                "FIT_MODE": request.fit.rawValue,
+                "FIXED_LAYOUT_READY_MESSAGE": RDEPUBJavaScriptBridgeMessage.fixedLayoutReady.rawValue
+            ]
+        )
+    }
+}