Remove old Chromoting iOS client

remoting/ios/host_refresh.mm

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#if !defined(__has_feature) || !__has_feature(objc_arc)
-#error "This file requires ARC support."
-#endif
-
-#import "remoting/ios/host_refresh.h"
-
-#import "remoting/ios/authorize.h"
-#import "remoting/ios/host.h"
-#import "remoting/ios/utility.h"
-
-namespace {
-NSString* kDefaultErrorMessage = @"The Host list refresh is not available at "
-    @"this time.  Please try again later.";
-}  // namespace
-
-@interface HostRefresh (Private)
-- (void)authentication:(GTMOAuth2Authentication*)auth
-               request:(NSMutableURLRequest*)request
-                 error:(NSError*)error;
-- (void)formatErrorMessage:(NSString*)error;
-- (void)notifyDelegate;
-@end
-
-// Logic flow begins with refreshHostList, and continues until an error occurs,
-// or the host list is returned to the delegate
-@implementation HostRefresh
-
-@synthesize jsonData = _jsonData;
-@synthesize errorMessage = _errorMessage;
-@synthesize delegate = _delegate;
-
-// Override default constructor and initialize internals
-- (id)init {
-  self = [super init];
-  if (self) {
-    _jsonData = [[NSMutableData alloc] init];
-  }
-  return self;
-}
-
-// Begin the authentication and authorization process.  Begin the process by
-// creating an oAuth2 request to google api's including the needed scopes to
-// fetch the users host list.
-- (void)refreshHostList:(GTMOAuth2Authentication*)authReq
-               delegate:(id<HostRefreshDelegate>)delegate {
-
-  CHECK(_delegate == nil);  // Do not reuse an instance of this class
-
-  _delegate = delegate;
-
-  [Authorize beginRequest:authReq
-                 delegate:self
-        didFinishSelector:@selector(authentication:request:error:)];
-}
-
-// Handle completion of the authorization process. Append service credentials
-// for jabber.  If an error occurred, notify user.
-- (void)authentication:(NSObject*)auth
-               request:(NSMutableURLRequest*)request
-                 error:(NSError*)error {
-  if (error != nil) {
-    [self formatErrorMessage:error.localizedDescription];
-  } else {
-    // Add credentials for service
-    [Authorize appendCredentials:request];
-
-    // Begin connection, the returned reference is not useful right now and
-    // marked as __unused
-    __unused NSURLConnection* connection =
-        [[NSURLConnection alloc] initWithRequest:request delegate:self];
-  }
-}
-
-// @protocol NSURLConnectionDelegate, handle any error during connection
-- (void)connection:(NSURLConnection*)connection
-    didFailWithError:(NSError*)error {
-  [self formatErrorMessage:[error localizedDescription]];
-
-  [self notifyDelegate];
-}
-
-// @protocol NSURLConnectionDataDelegate, may be called async multiple times.
-// Each call appends the new data to the known data until completed.
-- (void)connection:(NSURLConnection*)connection didReceiveData:(NSData*)data {
-  [_jsonData appendData:data];
-}
-
-// @protocol NSURLConnectionDataDelegate
-// Ensure connection succeeded: HTTP 200 OK
-- (void)connection:(NSURLConnection*)connection
-    didReceiveResponse:(NSURLResponse*)response {
-  NSHTTPURLResponse* httpResponse = (NSHTTPURLResponse*)response;
-  if ([response respondsToSelector:@selector(allHeaderFields)]) {
-    NSNumber* responseCode =
-        [[NSNumber alloc] initWithInteger:[httpResponse statusCode]];
-    if (responseCode.intValue != 200) {
-      [self formatErrorMessage:[NSString
-                                   stringWithFormat:@"HTTP STATUS CODE: %d",
-                                                    [httpResponse statusCode]]];
-    }
-  }
-}
-
-// @protocol NSURLConnectionDataDelegate handle a completed connection, parse
-// received data, and return host list to delegate
-- (void)connectionDidFinishLoading:(NSURLConnection*)connection {
-  [self notifyDelegate];
-}
-
-// Store a formatted error message to return later
-- (void)formatErrorMessage:(NSString*)error {
-  _errorMessage = kDefaultErrorMessage;
-  if (error != nil && error.length > 0) {
-    _errorMessage = [_errorMessage
-        stringByAppendingString:[@" " stringByAppendingString:error]];
-  }
-}
-
-// The connection has finished, call to delegate
-- (void)notifyDelegate {
-  if (_jsonData.length == 0 && _errorMessage == nil) {
-    [self formatErrorMessage:nil];
-  }
-
-  [_delegate hostListRefresh:[Host parseListFromJSON:_jsonData]
-                errorMessage:_errorMessage];
-}
-@end