Add extensions

Import LUT/Action.js

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+//
+//  Action.js
+//  Import LUT
+//
+//  Created by Muukii on 2021/04/06.
+//  Copyright © 2021 muukii. All rights reserved.
+//
+
+var Action = function() {};
+
+Action.prototype = {
+
+    run: function(arguments) {
+        // Here, you can run code that modifies the document and/or prepares
+        // things to pass to your action's native code.
+
+        // We will not modify anything, but will pass the body's background
+        // style to the native code.
+
+        arguments.completionFunction({ "currentBackgroundColor" : document.body.style.backgroundColor })
+    },
+
+    finalize: function(arguments) {
+        // This method is run after the native code completes.
+
+        // We'll see if the native code has passed us a new background style,
+        // and set it on the body.
+
+        var newBackgroundColor = arguments["newBackgroundColor"]
+        if (newBackgroundColor) {
+            // We'll set document.body.style.background, to override any
+            // existing background.
+            document.body.style.background = newBackgroundColor
+        } else {
+            // If nothing's been returned to us, we'll set the background to
+            // blue.
+            document.body.style.background= "blue"
+        }
+    }
+
+};
+
+var ExtensionPreprocessingJS = new Action

Import LUT/ActionRequestHandler.swift

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+//
+//  ActionRequestHandler.swift
+//  Import LUT
+//
+//  Created by Muukii on 2021/04/06.
+//  Copyright © 2021 muukii. All rights reserved.
+//
+
+import UIKit
+import MobileCoreServices
+
+class ActionRequestHandler: NSObject, NSExtensionRequestHandling {
+
+    var extensionContext: NSExtensionContext?
+
+    func beginRequest(with context: NSExtensionContext) {
+        // Do not call super in an Action extension with no user interface
+//        self.extensionContext = context
+
+        var found = false
+
+        // Find the item containing the results from the JavaScript preprocessing.
+        outer:
+            for item in context.inputItems as! [NSExtensionItem] {
+                if let attachments = item.attachments {
+                    for itemProvider in attachments {
+                        if itemProvider.hasItemConformingToTypeIdentifier(String(kUTTypePropertyList)) {
+                            itemProvider.loadItem(forTypeIdentifier: String(kUTTypePropertyList), options: nil, completionHandler: { (item, error) in
+                                let dictionary = item as! [String: Any]
+                                OperationQueue.main.addOperation {
+                                    self.itemLoadCompletedWithPreprocessingResults(dictionary[NSExtensionJavaScriptPreprocessingResultsKey] as! [String: Any]? ?? [:])
+                                }
+                            })
+                            found = true
+                            break outer
+                        }
+                    }
+                }
+        }
+
+        if !found {
+            self.doneWithResults(nil)
+        }
+    }
+
+    func itemLoadCompletedWithPreprocessingResults(_ javaScriptPreprocessingResults: [String: Any]) {
+        // Here, do something, potentially asynchronously, with the preprocessing
+        // results.
+
+        // In this very simple example, the JavaScript will have passed us the
+        // current background color style, if there is one. We will construct a
+        // dictionary to send back with a desired new background color style.
+        let bgColor: Any? = javaScriptPreprocessingResults["currentBackgroundColor"]
+        if bgColor == nil ||  bgColor! as! String == "" {
+            // No specific background color? Request setting the background to red.
+            self.doneWithResults(["newBackgroundColor": "red"])
+        } else {
+            // Specific background color is set? Request replacing it with green.
+            self.doneWithResults(["newBackgroundColor": "green"])
+        }
+    }
+
+    func doneWithResults(_ resultsForJavaScriptFinalizeArg: [String: Any]?) {
+        if let resultsForJavaScriptFinalize = resultsForJavaScriptFinalizeArg {
+            // Construct an NSExtensionItem of the appropriate type to return our
+            // results dictionary in.
+
+            // These will be used as the arguments to the JavaScript finalize()
+            // method.
+
+            let resultsDictionary = [NSExtensionJavaScriptFinalizeArgumentKey: resultsForJavaScriptFinalize]
+
+            let resultsProvider = NSItemProvider(item: resultsDictionary as NSDictionary, typeIdentifier: String(kUTTypePropertyList))
+
+            let resultsItem = NSExtensionItem()
+            resultsItem.attachments = [resultsProvider]
+
+            // Signal that we're complete, returning our results.
+            self.extensionContext!.completeRequest(returningItems: [resultsItem], completionHandler: nil)
+        } else {
+            // We still need to signal that we're done even if we have nothing to
+            // pass back.
+            self.extensionContext!.completeRequest(returningItems: [], completionHandler: nil)
+        }
+
+        // Don't hold on to this after we finished with it.
+        self.extensionContext = nil
+    }
+
+}

Import LUT/Info.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleDisplayName</key>
+	<string>Import LUT</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+	<key>NSExtension</key>
+	<dict>
+		<key>NSExtensionAttributes</key>
+		<dict>
+			<key>NSExtensionActivationRule</key>
+			<dict>
+				<key>NSExtensionActivationSupportsFileWithMaxCount</key>
+				<integer>0</integer>
+				<key>NSExtensionActivationSupportsImageWithMaxCount</key>
+				<integer>10</integer>
+				<key>NSExtensionActivationSupportsMovieWithMaxCount</key>
+				<integer>0</integer>
+				<key>NSExtensionActivationSupportsText</key>
+				<false/>
+				<key>NSExtensionActivationSupportsWebURLWithMaxCount</key>
+				<integer>1</integer>
+			</dict>
+			<key>NSExtensionJavaScriptPreprocessingFile</key>
+			<string>Action</string>
+			<key>NSExtensionServiceAllowsFinderPreviewItem</key>
+			<true/>
+			<key>NSExtensionServiceAllowsTouchBarItem</key>
+			<true/>
+			<key>NSExtensionServiceFinderPreviewIconName</key>
+			<string>NSActionTemplate</string>
+			<key>NSExtensionServiceTouchBarBezelColorName</key>
+			<string>TouchBarBezel</string>
+			<key>NSExtensionServiceTouchBarIconName</key>
+			<string>NSActionTemplate</string>
+		</dict>
+		<key>NSExtensionPointIdentifier</key>
+		<string>com.apple.services</string>
+		<key>NSExtensionPrincipalClass</key>
+		<string>$(PRODUCT_MODULE_NAME).ActionRequestHandler</string>
+	</dict>
+</dict>
+</plist>

Import LUT/Media.xcassets/Contents.json

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+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Import LUT/Media.xcassets/TouchBarBezel.colorset/Contents.json

@@ -0,0 +1,14 @@
+{
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  },
+  "colors" : [
+    {
+      "idiom" : "mac",
+      "color" : {
+        "reference" : "systemPurpleColor"
+      }
+    }
+  ]
+}

ShareLUT/Base.lproj/MainInterface.storyboard

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+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="13122.16" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="j1y-V4-xli">
+    <dependencies>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13104.12"/>
+        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <scenes>
+        <!--Share View Controller-->
+        <scene sceneID="ceB-am-kn3">
+            <objects>
+                <viewController id="j1y-V4-xli" customClass="ShareViewController" customModuleProvider="target" sceneMemberID="viewController">
+                    <view key="view" opaque="NO" contentMode="scaleToFill" id="wbc-yd-nQP">
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" red="0.0" green="0.0" blue="0.0" alpha="0.0" colorSpace="custom" customColorSpace="sRGB"/>
+                        <viewLayoutGuide key="safeArea" id="1Xd-am-t49"/>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="CEy-Cv-SGf" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+        </scene>
+    </scenes>
+</document>

ShareLUT/Info.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleDisplayName</key>
+	<string>ShareLUT</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+	<key>NSExtension</key>
+	<dict>
+		<key>NSExtensionAttributes</key>
+		<dict>
+			<key>NSExtensionActivationRule</key>
+			<string>TRUEPREDICATE</string>
+		</dict>
+		<key>NSExtensionMainStoryboard</key>
+		<string>MainInterface</string>
+		<key>NSExtensionPointIdentifier</key>
+		<string>com.apple.share-services</string>
+	</dict>
+</dict>
+</plist>

ShareLUT/ShareViewController.swift

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+//
+//  ShareViewController.swift
+//  ShareLUT
+//
+//  Created by Muukii on 2021/04/06.
+//  Copyright © 2021 muukii. All rights reserved.
+//
+
+import UIKit
+import Social
+
+class ShareViewController: SLComposeServiceViewController {
+
+    override func isContentValid() -> Bool {
+        // Do validation of contentText and/or NSExtensionContext attachments here
+        return true
+    }
+
+    override func didSelectPost() {
+        // This is called after the user selects Post. Do the upload of contentText and/or NSExtensionContext attachments.
+
+        // Inform the host that we're done, so it un-blocks its UI. Note: Alternatively you could call super's -didSelectPost, which will similarly complete the extension context.
+        self.extensionContext!.completeRequest(returningItems: [], completionHandler: nil)
+    }
+
+    override func configurationItems() -> [Any]! {
+        // To add configuration options via table cells at the bottom of the sheet, return an array of SLComposeSheetConfigurationItem here.
+        return []
+    }
+
+}