content/public/browser/trace_uploader.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_PUBLIC_BROWSER_TRACE_UPLOADER_H_
   6 #define CONTENT_PUBLIC_BROWSER_TRACE_UPLOADER_H_
   7
   8 #include "base/callback.h"
   9
  10 namespace content {
  11
  12 // Used to implement a trace upload service for use in about://tracing,
  13 // which gets requested through the TracingDelegate.
  14 class TraceUploader {
  15  public:
  16   // This should be called when the tracing is complete.
  17   // The bool denotes success or failure, the string is feedback
  18   // to show in the Tracing UI.
  19   typedef base::Callback<void(bool, const std::string&)> UploadDoneCallback;
  20   // Call this to update the progress UI with the current bytes uploaded,
  21   // as well as the total.
  22   typedef base::Callback<void(int64, int64)> UploadProgressCallback;
  23
  24   virtual ~TraceUploader() {}
  25
  26   // Compresses and uploads the given file contents.
  27   virtual void DoUpload(const std::string& file_contents,
  28                         const UploadProgressCallback& progress_callback,
  29                         const UploadDoneCallback& done_callback) = 0;
  30 };
  31
  32 }  // namespace content
  33
  34 #endif  // CONTENT_PUBLIC_BROWSER_TRACE_UPLOADER_H_