First cut of Cloud Print Proxy implementation. The code is not enabled for no...

chrome/browser/printing/cloud_print/job_status_updater.h

+// 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_JOB_STATUS_UPDATER_H_
+#define CHROME_BROWSER_PRINTING_CLOUD_PRINT_JOB_STATUS_UPDATER_H_
+
+#include <string>
+
+#include "base/file_path.h"
+#include "base/ref_counted.h"
+#include "base/thread.h"
+#include "chrome/browser/printing/cloud_print/printer_info.h"
+#include "chrome/browser/net/url_fetcher.h"
+#include "net/url_request/url_request_status.h"
+
+// Periodically monitors the status of a local print job and updates the
+// cloud print server accordingly. When the job has been completed this
+// object releases the reference to itself which should cause it to
+// self-destruct.
+class JobStatusUpdater : public base::RefCountedThreadSafe<JobStatusUpdater>,
+                         public URLFetcher::Delegate {
+ public:
+  class Delegate {
+   public:
+    virtual bool OnJobCompleted(JobStatusUpdater* updater) = 0;
+  };
+
+  JobStatusUpdater(const std::string& printer_name,
+                   const std::string& job_id,
+                   cloud_print::PlatformJobId& local_job_id,
+                   const std::string& auth_token,
+                   Delegate* delegate);
+  // Checks the status of the local print job and sends an update.
+  void UpdateStatus();
+  void Stop();
+  // URLFetcher::Delegate implementation.
+  virtual void OnURLFetchComplete(const URLFetcher* source, const GURL& url,
+                                  const URLRequestStatus& status,
+                                  int response_code,
+                                  const ResponseCookies& cookies,
+                                  const std::string& data);
+ private:
+  std::string printer_name_;
+  std::string job_id_;
+  cloud_print::PlatformJobId local_job_id_;
+  cloud_print::PrintJobDetails last_job_details_;
+  scoped_ptr<URLFetcher> request_;
+  std::string auth_token_;
+  Delegate* delegate_;
+  // A flag that is set to true in Stop() and will ensure the next scheduled
+  // task will do nothing.
+  bool stopped_;
+  DISALLOW_COPY_AND_ASSIGN(JobStatusUpdater);
+};
+
+// This typedef is to workaround the issue with certain versions of
+// Visual Studio where it gets confused between multiple Delegate
+// classes and gives a C2500 error. (I saw this error on the try bots -
+// the workaround was not needed for my machine).
+typedef JobStatusUpdater::Delegate JobStatusUpdaterDelegate;
+
+#endif  // CHROME_BROWSER_PRINTING_CLOUD_PRINT_JOB_STATUS_UPDATER_H_
+