mirror of
https://github.com/nextcloud/desktop.git
synced 2024-10-28 16:13:53 +03:00
318 lines
9.2 KiB
Objective-C
318 lines
9.2 KiB
Objective-C
/**
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* Copyright (c) 2000-2012 Liferay, Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or modify it under
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* the terms of the GNU Lesser General Public License as published by the Free
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* Software Foundation; either version 2.1 of the License, or (at your option)
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* any later version.
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*
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* This library is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*/
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#import "ContentManager.h"
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#import "IconCache.h"
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#import "RequestManager.h"
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#define READ_TAG 2422
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static RequestManager* sharedInstance = nil;
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@implementation RequestManager
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- (id)init
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{
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if ((self = [super init]))
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{
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_socket = [[GCDAsyncSocket alloc] initWithDelegate:self delegateQueue:dispatch_get_main_queue()];
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_isConnected = NO;
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_registeredPathes = [[NSMutableDictionary alloc] init];
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_requestedPaths = [[NSMutableSet alloc] init];
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_shareMenuTitle = nil;
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[NSTimer scheduledTimerWithTimeInterval:5 target:self selector:@selector(start) userInfo:nil repeats:YES];
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}
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return self;
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}
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- (void)dealloc
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{
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[_socket setDelegate:nil delegateQueue:NULL];
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[_socket disconnect];
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[_socket release];
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sharedInstance = nil;
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[super dealloc];
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}
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+ (RequestManager*)sharedInstance
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{
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@synchronized(self)
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{
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if (sharedInstance == nil)
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{
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sharedInstance = [[self alloc] init];
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}
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}
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return sharedInstance;
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}
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- (void)askOnSocket:(NSString*)path query:(NSString*)verb
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{
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NSString *query = [NSString stringWithFormat:@"%@:%@\n", verb,path];
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// NSLog(@"Query: %@", query);
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NSData* data = [query dataUsingEncoding:NSUTF8StringEncoding];
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[_socket writeData:data withTimeout:5 tag:4711];
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NSData* stop = [@"\n" dataUsingEncoding:NSUTF8StringEncoding];
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[_socket readDataToData:stop withTimeout:-1 tag:READ_TAG];
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}
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- (BOOL)isRegisteredPath:(NSString*)path isDirectory:(BOOL)isDir
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{
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// check if the file in question is underneath a registered directory
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NSArray *regPathes = [_registeredPathes allKeys];
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BOOL registered = NO;
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NSString* checkPath = [NSString stringWithString:path];
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if (isDir && ![checkPath hasSuffix:@"/"]) {
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// append a slash
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checkPath = [path stringByAppendingString:@"/"];
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}
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for( NSString *regPath in regPathes ) {
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if( [checkPath hasPrefix:regPath]) {
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// the path was registered
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registered = YES;
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break;
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}
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}
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return registered;
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}
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- (void)askForIcon:(NSString*)path isDirectory:(BOOL)isDir
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{
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NSString *verb = @"RETRIEVE_FILE_STATUS";
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if( [self isRegisteredPath:path isDirectory:isDir] ) {
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[_requestedPaths addObject:path];
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if( _isConnected ) {
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if(isDir) {
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verb = @"RETRIEVE_FOLDER_STATUS";
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}
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[self askOnSocket:path query:verb];
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} else {
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[_requestQueue addObject:path];
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[self start]; // try again to connect
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}
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}
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}
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- (void)socket:(GCDAsyncSocket*)socket didReadData:(NSData*)data withTag:(long)tag
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{
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NSString *answer = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
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NSArray *chunks = nil;
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if (answer != nil && [answer length] > 0) {
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// cut a trailing newline
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answer = [answer substringToIndex:[answer length] - 1];
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chunks = [answer componentsSeparatedByString: @":"];
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}
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ContentManager *contentman = [ContentManager sharedInstance];
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if( chunks && [chunks count] > 0 && tag == READ_TAG ) {
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// NSLog(@"READ from socket (%ld): <%@>", tag, answer);
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if( [[chunks objectAtIndex:0] isEqualToString:@"STATUS"] ) {
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NSString *path = [chunks objectAtIndex:2];
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if( [chunks count] > 3 ) {
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for( int i = 2; i < [chunks count]-1; i++ ) {
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path = [NSString stringWithFormat:@"%@:%@",
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path, [chunks objectAtIndex:i+1] ];
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}
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}
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// The client will broadcast all changes, do not fill the cache for paths that Finder didn't ask for.
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if ([_requestedPaths containsObject:path]) {
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[contentman setResultForPath:path result:[chunks objectAtIndex:1]];
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}
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} else if( [[chunks objectAtIndex:0] isEqualToString:@"UPDATE_VIEW"] ) {
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NSString *path = [chunks objectAtIndex:1];
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[_requestedPaths removeAllObjects];
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[contentman reFetchFileNameCacheForPath:path];
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} else if( [[chunks objectAtIndex:0 ] isEqualToString:@"REGISTER_PATH"] ) {
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NSNumber *one = [NSNumber numberWithInt:1];
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NSString *path = [chunks objectAtIndex:1];
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// NSLog(@"Registering path: %@", path);
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[_registeredPathes setObject:one forKey:path];
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[contentman repaintAllWindows];
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} else if( [[chunks objectAtIndex:0 ] isEqualToString:@"UNREGISTER_PATH"] ) {
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NSString *path = [chunks objectAtIndex:1];
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[_registeredPathes removeObjectForKey:path];
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[contentman repaintAllWindows];
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} else if( [[chunks objectAtIndex:0 ] isEqualToString:@"ICON_PATH"] ) {
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NSString *path = [chunks objectAtIndex:1];
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[[ContentManager sharedInstance] loadIconResourcePath:path];
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} else if( [[chunks objectAtIndex:0 ] isEqualToString:@"SHARE_MENU_TITLE"] ) {
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_shareMenuTitle = [[chunks objectAtIndex:1] copy];
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// NSLog(@"Received shar menu title: %@", _shareMenuTitle);
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} else {
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NSLog(@"SyncState: Unknown command %@", [chunks objectAtIndex:0]);
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}
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} else if (tag != READ_TAG) {
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NSLog(@"SyncState: Received unknown tag %ld <%@>", tag, answer);
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}
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// Read on and on
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NSData* stop = [@"\n" dataUsingEncoding:NSUTF8StringEncoding];
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[_socket readDataToData:stop withTimeout:-1 tag:READ_TAG];
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}
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- (NSTimeInterval)socket:(GCDAsyncSocket*)socket shouldTimeoutReadWithTag:(long)tag elapsed:(NSTimeInterval)elapsed bytesDone:(NSUInteger)length
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{
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// Called if a read operation has reached its timeout without completing.
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return 0.0;
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}
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-(void)socket:(GCDAsyncSocket*)socket didConnectToUrl:(NSURL *)url {
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// NSLog( @"Connected to sync client successfully on %@", url);
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_isConnected = YES;
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[self askOnSocket:@"" query:@"SHARE_MENU_TITLE"];
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if( [_requestQueue count] > 0 ) {
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// NSLog( @"We have to empty the queue");
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for( NSString *path in _requestQueue ) {
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[self askOnSocket:path query:@"RETRIEVE_FILE_STATUS"];
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}
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[_requestQueue removeAllObjects];
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}
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ContentManager *contentman = [ContentManager sharedInstance];
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[contentman clearFileNameCache];
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[contentman repaintAllWindows];
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// Read for the UPDATE_VIEW requests
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NSData* stop = [@"\n" dataUsingEncoding:NSUTF8StringEncoding];
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[_socket readDataToData:stop withTimeout:-1 tag:READ_TAG];
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}
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- (void)socketDidDisconnect:(GCDAsyncSocket*)socket withError:(NSError*)err
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{
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// NSLog(@"Socket DISconnected! %@", [err localizedDescription]);
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_isConnected = NO;
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// clear the registered pathes.
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[_registeredPathes release];
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_registeredPathes = [[NSMutableDictionary alloc] init];
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[_requestedPaths removeAllObjects];
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// clear the caches in conent manager
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ContentManager *contentman = [ContentManager sharedInstance];
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[contentman clearFileNameCache];
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[contentman repaintAllWindows];
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}
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- (NSDate*)fileDate:(NSString*)fn
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{
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NSFileManager *fileManager = [NSFileManager defaultManager];
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NSError *error = 0;
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NSDictionary *oneAttributes = [fileManager attributesOfItemAtPath:fn error:&error];
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if (!error) {
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return [oneAttributes valueForKey:NSFileModificationDate];
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}
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return nil;
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}
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- (NSString*) getNewerFileOne:(NSString*)one two:(NSString*)two
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{
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if (!one) {
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return two;
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}
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NSDate *oneDate = [self fileDate:one];
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NSDate *twoDate = [self fileDate:two];
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if (oneDate && twoDate) {
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if ([oneDate compare:twoDate] == NSOrderedDescending) {
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return one;
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} else if ([oneDate compare:twoDate] == NSOrderedAscending) {
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return two;
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} else {
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return two;
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}
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}
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return one;
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}
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- (void)start
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{
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if (!_isConnected && ![_socket isConnected])
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{
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NSError *err = nil;
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NSURL *url = nil;
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NSArray *paths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);
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if ([paths count])
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{
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// e.g file:///Users/guruz/Library/Caches/SyncStateHelper/ownCloud.socket
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NSString *syncStateHelperDir = [[paths objectAtIndex:0] stringByAppendingPathComponent:@"SyncStateHelper"];
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NSError *pnsError = NULL;
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NSArray *paths = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:syncStateHelperDir error:&pnsError];
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if (!pnsError && paths && [paths count] > 0) {
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NSString *currentLatestPath = nil;
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if (paths.count > 1) {
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// NSLog(@"Possible paths: %@", paths);
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}
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for (int i = 0; i < paths.count; i++) {
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NSString *currentPath = [syncStateHelperDir stringByAppendingPathComponent:[paths objectAtIndex:i]];
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if (![currentPath hasSuffix:@".socket"]) {
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continue;
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}
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currentLatestPath = [self getNewerFileOne:currentLatestPath two:currentPath];
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}
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// FIXME Instead of connecting to the newest socket we could go multi-socket to support multiple instances
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if (currentLatestPath) {
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url = [NSURL fileURLWithPath:currentLatestPath];
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}
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}
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}
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if (url) {
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// NSLog(@"Connect Socket to %@", url);
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[_socket connectToUrl:url withTimeout:1 error:&err];
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}
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}
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}
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- (void)menuItemClicked:(NSDictionary*)actionDictionary
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{
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// NSLog(@"RequestManager menuItemClicked %@", actionDictionary);
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NSArray *filePaths = [actionDictionary valueForKey:@"files"];
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for (int i = 0; i < filePaths.count; i++) {
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[self askOnSocket:[filePaths objectAtIndex:i] query:@"SHARE"];
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}
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}
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- (NSString*) shareItemTitle
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{
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if (_socket && _socket.isConnected && _shareMenuTitle) {
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return _shareMenuTitle;
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}
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return nil;
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}
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@end
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