content/browser/trace_subscriber_stdio.h

   1 // Copyright (c) 2012 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_BROWSER_TRACE_SUBSCRIBER_STDIO_H_
   6 #define CONTENT_BROWSER_TRACE_SUBSCRIBER_STDIO_H_
   7
   8 #include <string>
   9
  10 #include "base/compiler_specific.h"
  11 #include "base/file_util.h"
  12 #include "content/public/browser/trace_subscriber.h"
  13 #include "content/common/content_export.h"
  14
  15 namespace content {
  16
  17 class TraceSubscriberStdioImpl;
  18
  19 // Stdio implementation of TraceSubscriber. Use this to write traces to a file.
  20 class CONTENT_EXPORT TraceSubscriberStdio
  21     : NON_EXPORTED_BASE(public TraceSubscriber) {
  22  public:
  23   // Creates or overwrites the specified file. Check IsValid() for success.
  24   explicit TraceSubscriberStdio(const FilePath& path);
  25   virtual ~TraceSubscriberStdio();
  26
  27   // Implementation of TraceSubscriber
  28   virtual void OnEndTracingComplete() OVERRIDE;
  29   virtual void OnTraceDataCollected(
  30       const scoped_refptr<base::RefCountedString>& data_ptr) OVERRIDE;
  31
  32  private:
  33   scoped_refptr<TraceSubscriberStdioImpl> impl_;
  34   DISALLOW_COPY_AND_ASSIGN(TraceSubscriberStdio);
  35 };
  36
  37 }  // namespace content
  38
  39 #endif  // CONTENT_BROWSER_TRACE_SUBSCRIBER_STDIO_H_