gistfile1.txt

- (NSURLRequest *)webView:(UIWebView *)sender resource:(id)identifier willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)redirectResponse fromDataSource:(id)dataSource
{
    MCOAbstractPart * part = NULL;
    
    if ([[[request URL] scheme] isEqualToString:@"x-mailcore-msgviewloaded"]) {
        [self _loadImages];
        return request;
    }
    
    if ([MCOCIDURLProtocol isCID:[request URL]]) {
        part = [self _partForCIDURL:[request URL]];
    }
  else if ([MCOCIDURLProtocol isXMailcoreImage:[ request URL]]) {
        NSString * specifier = [[request URL] resourceSpecifier];
        NSString * partUniqueID = specifier;
        part = [self _partForUniqueID:partUniqueID];
    }
    
    if (part != NULL) {
        if ([_message isKindOfClass:[MCOIMAPMessage class]]) {
            NSMutableURLRequest * mutableRequest = [request mutableCopy];
            NSString * partUniqueID = [part uniqueID];
            NSData * data = [[self delegate] MCOMessageView:self dataForPartWithUniqueID:partUniqueID];
            if (data == NULL) {
                [[self delegate] MCOMessageView:self fetchDataForPartWithUniqueID:partUniqueID downloadedFinished:^(NSError * error) {
                    NSData * downloadedData = [[self delegate] MCOMessageView:self dataForPartWithUniqueID:partUniqueID];
                    NSData * previewData = [[self delegate] MCOMessageView:self previewForData:downloadedData isHTMLInlineImage:[MCOCIDURLProtocol isCID:[request URL]]];
                    [MCOCIDURLProtocol partDownloadedMessage:_message partUniqueID:partUniqueID data:previewData];
                }];
            }
            [MCOCIDURLProtocol startLoadingWithMessage:_message
                                          partUniqueID:partUniqueID
                                                  data:data
                                               request:mutableRequest];
            
            return mutableRequest;
        }
        else if ([_message isKindOfClass:[MCOMessageParser class]]) {
            NSMutableURLRequest * mutableRequest = [request mutableCopy];
            NSString * partUniqueID = [part uniqueID];
            NSData * data = [(MCOAttachment *) part data];
            NSData * previewData = [[self delegate] MCOMessageView:self previewForData:data isHTMLInlineImage:[MCOCIDURLProtocol isCID:[request URL]]];
            [MCOCIDURLProtocol startLoadingWithMessage:_message
                                          partUniqueID:partUniqueID
                                                  data:previewData
                                               request:mutableRequest];
            
            return mutableRequest;
        }
        else {
            return request;
        }
    }
    else {
        return request;
    }
}


- (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType
{
    NSURLRequest *responseRequest = [self webView:webView resource:nil willSendRequest:request redirectResponse:nil fromDataSource:nil];
    
    //NSLog(@"responseRequest:%@", responseRequest);
    
    if(responseRequest == request) {
        return YES;
    } else {
        [webView loadRequest:responseRequest];
        return NO;
    }
    
}