1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40


content / browser / devtools / devtools_traceable_screenshot.h [blame]

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_TRACEABLE_SCREENSHOT_H_
#define CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_TRACEABLE_SCREENSHOT_H_

#include "base/atomicops.h"
#include "base/trace_event/trace_event_impl.h"
#include "third_party/skia/include/core/SkBitmap.h"

namespace content {

class DevToolsTraceableScreenshot
    : public base::trace_event::ConvertableToTraceFormat {
 public:
  static constexpr int kMaximumNumberOfScreenshots = 450;

  static base::subtle::Atomic32 GetNumberOfInstances();

  DevToolsTraceableScreenshot(const SkBitmap& bitmap);

  DevToolsTraceableScreenshot(const DevToolsTraceableScreenshot&) = delete;
  DevToolsTraceableScreenshot& operator=(const DevToolsTraceableScreenshot&) =
      delete;

  ~DevToolsTraceableScreenshot() override;

  // base::trace_event::ConvertableToTraceFormat implementation.
  void AppendAsTraceFormat(std::string* out) const override;

 private:
  static base::subtle::Atomic32 number_of_instances_;

  SkBitmap frame_;
};

}  // namespace content

#endif  // CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_TRACEABLE_SCREENSHOT_H_