layer_client.h revision a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7 
1// Copyright 2013 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 CC_LAYERS_LAYER_CLIENT_H_
6#define CC_LAYERS_LAYER_CLIENT_H_
7
8#include <string>
9
10#include "base/memory/ref_counted.h"
11#include "cc/base/cc_export.h"
12
13namespace base {
14namespace debug {
15class ConvertableToTraceFormat;
16}
17}
18
19namespace cc {
20
21class CC_EXPORT LayerClient {
22 public:
23  virtual std::string DebugName() = 0;
24
25  // Returns a pointer to a debug info object, if one has been computed.
26  // If not, returns NULL. If the returned pointer is non-NULL, the caller takes
27  // ownership of the pointer.
28  virtual scoped_refptr<base::debug::ConvertableToTraceFormat>
29      TakeDebugInfo() = 0;
30
31 protected:
32  virtual ~LayerClient() {}
33};
34
35}  // namespace cc
36
37#endif  // CC_LAYERS_LAYER_CLIENT_H_
38