cc/layers/layer_client.h

   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
  13 namespace base {
  14 namespace trace_event {
  15 class ConvertableToTraceFormat;
  16 }
  17 }
  18
  19 namespace cc {
  20
  21 class CC_EXPORT LayerClient {
  22  public:
  23   // Returns a pointer to a debug info object, if one has been computed.
  24   // If not, returns nullptr.
  25   // If the returned pointer is non-nullptr, the caller takes
  26   // ownership of the pointer.
  27   virtual scoped_refptr<base::trace_event::ConvertableToTraceFormat>
  28       TakeDebugInfo() = 0;
  29
  30  protected:
  31   virtual ~LayerClient() {}
  32 };
  33
  34 }  // namespace cc
  35
  36 #endif  // CC_LAYERS_LAYER_CLIENT_H_