From 3b20684dc791d1c8c6034e95a0e4b65d722bcfc0 Mon Sep 17 00:00:00 2001
From: Jocelyn Turcotte <jturcotte@woboq.com>
Date: Tue, 4 Jul 2017 13:26:57 -0400
Subject: shell/macos: Remove legacy (< 10.10) overlay icons

Having to update the plugins to add a submenu in the context menu,
it's more cost-effective to remove support for legacy macOS versions
than implementing and testing this setup.
---
 .../FinderSyncExt/SyncClientProxy.m                | 149 +++++++++++++++++++++
 1 file changed, 149 insertions(+)
 create mode 100644 shell_integration/MacOSX/OwnCloudFinderSync/FinderSyncExt/SyncClientProxy.m

(limited to 'shell_integration/MacOSX/OwnCloudFinderSync/FinderSyncExt/SyncClientProxy.m')

diff --git a/shell_integration/MacOSX/OwnCloudFinderSync/FinderSyncExt/SyncClientProxy.m b/shell_integration/MacOSX/OwnCloudFinderSync/FinderSyncExt/SyncClientProxy.m
new file mode 100644
index 000000000..b7b64571f
--- /dev/null
+++ b/shell_integration/MacOSX/OwnCloudFinderSync/FinderSyncExt/SyncClientProxy.m
@@ -0,0 +1,149 @@
+/*
+ * Copyright (C) by Jocelyn Turcotte <jturcotte@woboq.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+#import "SyncClientProxy.h"
+
+@protocol ServerProtocol <NSObject>
+- (void)registerClient:(id)client;
+@end
+
+@interface SyncClientProxy ()
+- (void)registerTransmitter:(id)tx;
+@end
+
+@implementation SyncClientProxy
+
+- (instancetype)initWithDelegate:(id)arg1 serverName:(NSString*)serverName
+{
+	self = [super init];
+
+	self.delegate = arg1;
+	_serverName = serverName;
+	_remoteEnd = nil;
+
+	return self;
+}
+
+#pragma mark - Connection setup
+
+- (void)start
+{
+	if (_remoteEnd)
+		return;
+	
+	// Lookup the server connection
+	NSConnection *conn = [NSConnection connectionWithRegisteredName:_serverName host:nil];
+	
+	if (!conn) {
+		// Could not connect to the sync client
+		[self scheduleRetry];
+		return;
+	}
+	
+	[[NSNotificationCenter defaultCenter] addObserver:self
+		selector:@selector(connectionDidDie:)
+		name:NSConnectionDidDieNotification
+		object:conn];
+	
+	NSDistantObject <ServerProtocol> *server = (NSDistantObject <ServerProtocol> *)[conn rootProxy];
+	assert(server);
+	
+	// This saves a few Mach messages, enable "Distributed Objects" in the scheme's Run diagnostics to watch
+	[server setProtocolForProxy:@protocol(ServerProtocol)];
+	
+	// Send an object to the server to act as the channel rx, we'll receive the tx through registerTransmitter
+	[server registerClient:self];
+}
+
+- (void)registerTransmitter:(id)tx;
+{
+	// The server replied with the distant object that we will use for tx
+	_remoteEnd = (NSDistantObject <ChannelProtocol> *)tx;
+	[_remoteEnd setProtocolForProxy:@protocol(ChannelProtocol)];
+
+	// Everything is set up, start querying
+	[self askOnSocket:@"" query:@"GET_STRINGS"];
+}
+
+- (void)scheduleRetry
+{
+	[NSTimer scheduledTimerWithTimeInterval:5 target:self selector:@selector(start) userInfo:nil repeats:NO];
+}
+
+- (void)connectionDidDie:(NSNotification*)notification
+{
+#pragma unused(notification)
+	_remoteEnd = nil;
+	[_delegate connectionDidDie];
+	
+	[self scheduleRetry];
+}
+
+#pragma mark - Communication logic
+
+- (void)sendMessage:(NSData*)msg
+{
+	NSString *answer = [[NSString alloc] initWithData:msg encoding:NSUTF8StringEncoding];
+
+	// Cut the trailing newline
+	answer = [answer substringToIndex:[answer length] - 1];
+	NSArray *chunks = [answer componentsSeparatedByString: @":"];
+
+	if( [[chunks objectAtIndex:0] isEqualToString:@"STATUS"] ) {
+		NSString *result = [chunks objectAtIndex:1];
+		NSString *path = [chunks objectAtIndex:2];
+		if( [chunks count] > 3 ) {
+			for( int i = 2; i < [chunks count]-1; i++ ) {
+				path = [NSString stringWithFormat:@"%@:%@",
+						path, [chunks objectAtIndex:i+1] ];
+			}
+		}
+		[_delegate setResultForPath:path result:result];
+	} else if( [[chunks objectAtIndex:0] isEqualToString:@"UPDATE_VIEW"] ) {
+		NSString *path = [chunks objectAtIndex:1];
+		[_delegate reFetchFileNameCacheForPath:path];
+	} else if( [[chunks objectAtIndex:0 ] isEqualToString:@"REGISTER_PATH"] ) {
+		NSString *path = [chunks objectAtIndex:1];
+		[_delegate registerPath:path];
+	} else if( [[chunks objectAtIndex:0 ] isEqualToString:@"UNREGISTER_PATH"] ) {
+		NSString *path = [chunks objectAtIndex:1];
+		[_delegate unregisterPath:path];
+	} else if( [[chunks objectAtIndex:0 ] isEqualToString:@"GET_STRINGS"] ) {
+		// BEGIN and END messages, do nothing.
+	} else if( [[chunks objectAtIndex:0 ] isEqualToString:@"STRING"] ) {
+		[_delegate setString:[chunks objectAtIndex:1] value:[chunks objectAtIndex:2]];
+	} else {
+		NSLog(@"SyncState: Unknown command %@", [chunks objectAtIndex:0]);
+	}
+}
+
+- (void)askOnSocket:(NSString*)path query:(NSString*)verb
+{
+	NSString *query = [NSString stringWithFormat:@"%@:%@\n", verb,path];
+
+	@try {
+		[_remoteEnd sendMessage:[query dataUsingEncoding:NSUTF8StringEncoding]];
+	} @catch(NSException* e) {
+		// Do nothing and wait for connectionDidDie
+	}
+}
+
+- (void)askForIcon:(NSString*)path isDirectory:(BOOL)isDir
+{
+	NSString *verb = isDir ? @"RETRIEVE_FOLDER_STATUS" : @"RETRIEVE_FILE_STATUS";
+	[self askOnSocket:path query:verb];
+}
+
+@end
+
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