Index: chrome/browser/printing/cloud_print/cloud_print_helpers.h |
=================================================================== |
--- chrome/browser/printing/cloud_print/cloud_print_helpers.h (revision 0) |
+++ chrome/browser/printing/cloud_print/cloud_print_helpers.h (revision 0) |
@@ -0,0 +1,71 @@ |
+// Copyright (c) 2010 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_BROWSER_PRINTING_CLOUD_PRINT_CLOUD_PRINT_HELPERS_H_ |
+#define CHROME_BROWSER_PRINTING_CLOUD_PRINT_CLOUD_PRINT_HELPERS_H_ |
+ |
+#include <string> |
+ |
+#include "chrome/browser/printing/cloud_print/printer_info.h" |
+#include "googleurl/src/gurl.h" |
+ |
+class DictionaryValue; |
+class Task; |
+class URLFetcher; |
+ |
+// Helper methods for the cloud print proxy code. |
+class CloudPrintHelpers { |
+ public: |
+ static GURL GetUrlForPrinterRegistration(); |
+ static GURL GetUrlForPrinterUpdate(const std::string& printer_id); |
+ static GURL GetUrlForPrinterDelete(const std::string& printer_id); |
+ static GURL GetUrlForPrinterList(const std::string& proxy_id); |
+ static GURL GetUrlForJobFetch(const std::string& printer_id); |
+ static GURL GetUrlForJobStatusUpdate(const std::string& job_id, |
+ cloud_print::PrintJobStatus status); |
+ static GURL GetUrlForJobStatusUpdate( |
+ const std::string& job_id, const cloud_print::PrintJobDetails& details); |
+ // 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. |
+ static bool ParseResponseJSON(const std::string& response_data, |
+ bool* succeeded, DictionaryValue** response_dict); |
+ // Sets up common parameters for a cloud print request |
+ // (such as the GAIA auth token in the request headers, the request context |
+ // etc). |
+ static void PrepCloudPrintRequest(URLFetcher* request, |
+ const std::string& auth_token); |
+ // Strictly speaking, this helper method is not specific to cloud printing. |
+ // It handles the logic to retry tasks when the server returns an error. |
+ // The parameters are as below: |
+ // |error_count| Contains the current number of consecutive failed attempts. |
+ // This method increments it (in/out) |
+ // |max_retry_count| Number of retries before giving up. -1 implies no limit. |
+ // |max_retry_interval| Maximum amount of time (in ms) we are willing to |
+ // wait between retries. -1 implies no limit. |
+ // |base_retry_interval| Starting value of the retry interval. This |
+ // method progressively increases the interval on each retry. |
+ // |task_to_retry| The task to be retried. |
+ // |task_on_give_up| Task to be performed when we give up. This is only |
+ // valid when max_retry_count is not -1. It can be NULL. |
+ static void HandleServerError(int* error_count, int max_retry_count, |
+ int64 max_retry_interval, |
+ int64 base_retry_interval, |
+ Task* task_to_retry, Task* task_on_give_up); |
+ // Prepares one value as part of a multi-part upload request. |
+ static 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). |
+ static void CreateMimeBoundaryForUpload(std::string *out); |
+ |
+ private: |
+ CloudPrintHelpers() { |
+ } |
+}; |
+ |
+#endif // CHROME_BROWSER_PRINTING_CLOUD_PRINT_CLOUD_PRINT_HELPERS_H_ |
+ |
Property changes on: chrome\browser\printing\cloud_print\cloud_print_helpers.h |
___________________________________________________________________ |
Added: svn:eol-style |
+ LF |