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      1 // Copyright 2014 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_UTILS_H_
      6 #define CC_LAYERS_LAYER_UTILS_H_
      7 
      8 #include "cc/base/cc_export.h"
      9 
     10 namespace gfx {
     11   class BoxF;
     12 }  // namespace gfx
     13 
     14 namespace cc {
     15   class LayerImpl;
     16 
     17   class CC_EXPORT LayerUtils {
     18    public:
     19     // Computes a box in screen space that should entirely contain the layer's
     20     // bounds through the entirety of the layer's current animation. Returns
     21     // true and sets |out| to the inflation if there are animations that can
     22     // inflate bounds in the path to the root layer and that it was able to
     23     // inflate correctly. Returns false otherwise.
     24     static bool GetAnimationBounds(const LayerImpl& layer, gfx::BoxF* out);
     25   };
     26 
     27 }  // namespace cc
     28 
     29 #endif  // CC_LAYERS_LAYER_UTILS_H_
     30