macOS: Use local socket to communicate with finder extension

#6343

Author: erikjv

shell_integration/MacOSX/OwnCloud.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?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>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

shell_integration/MacOSX/OwnCloudFinderSync/FinderSyncExt/FinderSync.h

@@ -15,15 +15,19 @@
 
 #import <Cocoa/Cocoa.h>
 #import <FinderSync/FinderSync.h>
-#import "SyncClientProxy.h"
 
-@interface FinderSync : FIFinderSync <SyncClientProxyDelegate>
-{
-	SyncClientProxy *_syncClientProxy;
-	NSMutableSet *_registeredDirectories;
-	NSString *_shareMenuTitle;
-	NSMutableDictionary *_strings;
-	NSMutableArray *_menuItems;
+#import "FinderSyncExt-Swift.h"
+#import "SyncClient.h"
+
+@interface FinderSync : FIFinderSync <SyncClientDelegate> {
+    NSMutableSet *_registeredDirectories;
+    NSString *_shareMenuTitle;
+    NSMutableDictionary *_strings;
+    NSMutableArray *_menuItems;
+    NSCondition *_menuIsComplete;
 }
 
+@property LineProcessorV1 *v1LineProcessor;
+@property LocalSocketClient *localSocketClient;
+
 @end

shell_integration/MacOSX/OwnCloudFinderSync/FinderSyncExt/FinderSync.m

@@ -0,0 +1,5 @@
+//
+//  Use this file to import your target's public headers that you would like to expose to Swift.
+//
+
+#import "SyncClient.h"

shell_integration/MacOSX/OwnCloudFinderSync/FinderSyncExt/FinderSyncExt-Bridging-Header.h

@@ -0,0 +1,67 @@
+//
+//  LineProcessorV1.swift
+//  FinderSyncExt
+//
+//  Created by Erik Verbruggen <[email protected]> on 06-11-21.
+//
+
+import Foundation
+import OSLog
+
+class LineProcessorV1: NSObject, LineProcessor {
+    let delegate: SyncClientDelegate
+
+    @objc init(withDelegate delegate: SyncClientDelegate) {
+        self.delegate = delegate
+    }
+
+    private func log(_ str: String, type logType: OSLogType) {
+        // We cannot use OSLog's Logger class, because a lot of methods are only available in macOS 11.0 or higher.
+        os_log("%@", type: logType, str)
+    }
+
+    /// Processes a line, where the trailing \n has already been stripped
+    func process(line: String) {
+
+        self.log("Processing line '\(line)'", type: .debug)
+        let chunks = line.components(separatedBy: ":")
+        let command = chunks[0]
+
+        switch command {
+        case "STATUS":
+            let result = chunks[1]
+            let path = chunks.suffix(from: 2).joined(separator: ":")
+            DispatchQueue.main.async { self.delegate.setResultForPath(path, result: result) }
+        case "UPDATE_VIEW":
+            let path = chunks[1]
+            DispatchQueue.main.async { self.delegate.reFetchFileNameCache(forPath: path) }
+        case "REGISTER_PATH":
+            let path = chunks[1]
+            DispatchQueue.main.async { self.delegate.registerPath(path) }
+        case "UNREGISTER_PATH":
+            let path = chunks[1]
+            DispatchQueue.main.async { self.delegate.unregisterPath(path) }
+        case "GET_STRINGS":
+            // BEGIN and END messages, do nothing.
+            break
+        case "STRING":
+            DispatchQueue.main.async { self.delegate.setString(chunks[1], value: chunks[2]) }
+        case "GET_MENU_ITEMS":
+            if chunks[1] == "BEGIN" {
+                DispatchQueue.main.async { self.delegate.resetMenuItems() }
+            } else {
+                // Do NOT run this on the main queue! It might be blocked waiting for the menu to be completed.
+                delegate.menuHasCompleted()
+            }
+        case "MENU_ITEM":
+            let item = [
+                "command" : chunks[1],
+                "flags"   : chunks[2],
+                "text"    : chunks[3]
+            ]
+            DispatchQueue.main.async { self.delegate.addMenuItem(item) }
+        default:
+            self.log("Unknown command '\(command)'", type: .error)
+        }
+    }
+}