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chrome/common/cloud_print/cloud_print_helpers.h

+// Copyright (c) 2012 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.
+
+#ifndef CHROME_COMMON_CLOUD_PRINT_CLOUD_PRINT_HELPERS_H_
+#define CHROME_COMMON_CLOUD_PRINT_CLOUD_PRINT_HELPERS_H_
+
+#include <string>
+
+class GURL;
+
+namespace base {
+class DictionaryValue;
+}
+
+// Helper consts and methods for both cloud print and chrome browser.
+namespace cloud_print {
+
+// Values in the respone JSON from the cloud print server
+extern const char kPrinterListValue[];
+extern const char kSuccessValue[];
+
+extern const char kChromeCloudPrintProxyHeader[];
+
+extern const char kDefaultCloudPrintOAuthClientId[];
+
+// Appends a relative path to the url making sure to append a '/' if the
+// URL's path does not end with a slash. It is assumed that |path| does not
+// begin with a '/'.
+// NOTE: Since we ALWAYS want to append here, we simply append the path string
+// instead of calling url_utils::ResolveRelative. The input |url| may or may not
+// contain a '/' at the end.
+std::string AppendPathToUrl(const GURL& url, const std::string& path);
+
+GURL GetUrlForSearch(const GURL& cloud_print_server_url);
+GURL GetUrlForSubmit(const GURL& cloud_print_server_url);
+GURL GetUrlForGetAuthCode(const GURL& cloud_print_server_url,
+                          const std::string& oauth_client_id,
+                          const std::string& proxy_id);
+
+// Parses the response data for any cloud print server request. The method
+// returns false if there was an error in parsing the JSON. The succeeded
+// value returns the value of the "success" value in the response JSON.
+// Returns the response as a dictionary value.
+bool ParseResponseJSON(const std::string& response_data,
+                       bool* succeeded,
+                       base::DictionaryValue** response_dict);
+
+// Prepares one value as part of a multi-part upload request.
+void AddMultipartValueForUpload(const std::string& value_name,
+                                const std::string& value,
+                                const std::string& mime_boundary,
+                                const std::string& content_type,
+                                std::string* post_data);
+
+// Create a MIME boundary marker (27 '-' characters followed by 16 hex digits).
+void CreateMimeBoundaryForUpload(std::string *out);
+
+// Generate a unique cloud print proxy id.
+std::string GenerateProxyId();
+
+}  // namespace cloud_print
+
+#endif  // CHROME_COMMON_CLOUD_PRINT_CLOUD_PRINT_HELPERS_H_