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 EXTENSIONS_BROWSER_APP_WINDOW_SIZE_CONSTRAINTS_H_ 6 #define EXTENSIONS_BROWSER_APP_WINDOW_SIZE_CONSTRAINTS_H_ 7 8 #include "ui/gfx/geometry/size.h" 9 10 namespace gfx { 11 class Insets; 12 } 13 14 namespace extensions { 15 16 class SizeConstraints { 17 public: 18 // The value SizeConstraints uses to represent an unbounded width or height. 19 // This is an enum so that it can be declared inline here. 20 enum { kUnboundedSize = 0 }; 21 22 SizeConstraints(); 23 SizeConstraints(const gfx::Size& min_size, const gfx::Size& max_size); 24 ~SizeConstraints(); 25 26 // Adds frame insets to a size constraint. 27 static gfx::Size AddFrameToConstraints(const gfx::Size& size_constraints, 28 const gfx::Insets& frame_insets); 29 30 // Returns the bounds with its size clamped to the min/max size. 31 gfx::Size ClampSize(gfx::Size size) const; 32 33 // When gfx::Size is used as a min/max size, a zero represents an unbounded 34 // component. This method checks whether either component is specified. 35 // Note we can't use gfx::Size::IsEmpty as it returns true if either width 36 // or height is zero. 37 bool HasMinimumSize() const; 38 bool HasMaximumSize() const; 39 40 // This returns true if all components are specified, and min and max are 41 // equal. 42 bool HasFixedSize() const; 43 44 gfx::Size GetMaximumSize() const; 45 gfx::Size GetMinimumSize() const; 46 47 void set_minimum_size(const gfx::Size& min_size); 48 void set_maximum_size(const gfx::Size& max_size); 49 50 private: 51 gfx::Size minimum_size_; 52 gfx::Size maximum_size_; 53 }; 54 55 } // namespace extensions 56 57 #endif // EXTENSIONS_BROWSER_APP_WINDOW_SIZE_CONSTRAINTS_H_ 58
