summaryrefslogtreecommitdiffstats
path: root/cc/playback/display_item.h
blob: 3f61adb3a95ff9c945567f459ff680df8c2bdc2f (plain)
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
41
42
43
44
45
46
// Copyright 2014 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 CC_PLAYBACK_DISPLAY_ITEM_H_
#define CC_PLAYBACK_DISPLAY_ITEM_H_

#include <stddef.h>

#include "base/memory/scoped_ptr.h"
#include "cc/base/cc_export.h"
#include "cc/debug/traced_value.h"
#include "third_party/skia/include/core/SkPicture.h"
#include "ui/gfx/geometry/rect.h"

class SkCanvas;

namespace cc {
class ImageSerializationProcessor;

namespace proto {
class DisplayItem;
}  // namespace proto

class CC_EXPORT DisplayItem {
 public:
  virtual ~DisplayItem() {}

  virtual void ToProtobuf(
      proto::DisplayItem* proto,
      ImageSerializationProcessor* image_serialization_processor) const = 0;
  virtual void Raster(SkCanvas* canvas,
                      const gfx::Rect& canvas_target_playback_rect,
                      SkPicture::AbortCallback* callback) const = 0;
  virtual void AsValueInto(const gfx::Rect& visual_rect,
                           base::trace_event::TracedValue* array) const = 0;
  // For tracing.
  virtual size_t ExternalMemoryUsage() const = 0;

 protected:
  DisplayItem();
};

}  // namespace cc

#endif  // CC_PLAYBACK_DISPLAY_ITEM_H_