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 #include "base/memory/scoped_ptr.h"
  10 #include "base/values.h"
  11
  12 namespace content {
  13
  14 // Used to implement a trace upload service for use in about://tracing,
  15 // which gets requested through the TracingDelegate.
  16 class TraceUploader {
  17  public:
  18   // This should be called when the tracing is complete.
  19   // The bool denotes success or failure, the string is feedback
  20   // to show in the Tracing UI.
  21   typedef base::Callback<void(bool, const std::string&)> UploadDoneCallback;
  22   // Call this to update the progress UI with the current bytes uploaded,
  23   // as well as the total.
  24   typedef base::Callback<void(int64, int64)> UploadProgressCallback;
  25
  26   virtual ~TraceUploader() {}
  27
  28   enum UploadMode { COMPRESSED_UPLOAD, UNCOMPRESSED_UPLOAD };
  29
  30   // Compresses and uploads the given file contents.
  31   virtual void DoUpload(const std::string& file_contents,
  32                         UploadMode upload_mode,
  33                         scoped_ptr<base::DictionaryValue> metadata,
  34                         const UploadProgressCallback& progress_callback,
  35                         const UploadDoneCallback& done_callback) = 0;
  36 };
  37
  38 }  // namespace content
  39
  40 #endif  // CONTENT_PUBLIC_BROWSER_TRACE_UPLOADER_H_