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      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_POSITION_CONSTRAINT_H_
      6 #define CC_LAYERS_LAYER_POSITION_CONSTRAINT_H_
      7 
      8 #include "cc/base/cc_export.h"
      9 
     10 namespace cc {
     11 
     12 class CC_EXPORT LayerPositionConstraint {
     13  public:
     14   LayerPositionConstraint();
     15 
     16   void set_is_fixed_position(bool fixed) { is_fixed_position_ = fixed; }
     17   bool is_fixed_position() const { return is_fixed_position_; }
     18   void set_is_fixed_to_right_edge(bool fixed) {
     19     is_fixed_to_right_edge_ = fixed;
     20   }
     21   bool is_fixed_to_right_edge() const { return is_fixed_to_right_edge_; }
     22   void set_is_fixed_to_bottom_edge(bool fixed) {
     23     is_fixed_to_bottom_edge_ = fixed;
     24   }
     25   bool is_fixed_to_bottom_edge() const { return is_fixed_to_bottom_edge_; }
     26 
     27   bool operator==(const LayerPositionConstraint&) const;
     28   bool operator!=(const LayerPositionConstraint&) const;
     29 
     30  private:
     31   bool is_fixed_position_       : 1;
     32   bool is_fixed_to_right_edge_  : 1;
     33   bool is_fixed_to_bottom_edge_ : 1;
     34 };
     35 
     36 }  // namespace cc
     37 
     38 #endif  // CC_LAYERS_LAYER_POSITION_CONSTRAINT_H_
     39