1 files changed, 57 insertions, 0 deletions
diff --git a/chromium/extensions/browser/app_window/size_constraints.h b/chromium/extensions/browser/app_window/size_constraints.h
new file mode 100644
index 00000000000..ecacf1e5eb1
--- /dev/null
+++ b/chromium/extensions/browser/app_window/size_constraints.h
@@ -0,0 +1,57 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef EXTENSIONS_BROWSER_APP_WINDOW_SIZE_CONSTRAINTS_H_
+#define EXTENSIONS_BROWSER_APP_WINDOW_SIZE_CONSTRAINTS_H_
+
+#include "ui/gfx/geometry/size.h"
+
+namespace gfx {
+class Insets;
+}
+
+namespace extensions {
+
+class SizeConstraints {
+ public:
+  // The value SizeConstraints uses to represent an unbounded width or height.
+  // This is an enum so that it can be declared inline here.
+  enum { kUnboundedSize = 0 };
+
+  SizeConstraints();
+  SizeConstraints(const gfx::Size& min_size, const gfx::Size& max_size);
+  ~SizeConstraints();
+
+  // Adds frame insets to a size constraint.
+  static gfx::Size AddFrameToConstraints(const gfx::Size& size_constraints,
+                                         const gfx::Insets& frame_insets);
+
+  // Returns the bounds with its size clamped to the min/max size.
+  gfx::Size ClampSize(gfx::Size size) const;
+
+  // When gfx::Size is used as a min/max size, a zero represents an unbounded
+  // component. This method checks whether either component is specified.
+  // Note we can't use gfx::Size::IsEmpty as it returns true if either width
+  // or height is zero.
+  bool HasMinimumSize() const;
+  bool HasMaximumSize() const;
+
+  // This returns true if all components are specified, and min and max are
+  // equal.
+  bool HasFixedSize() const;
+
+  gfx::Size GetMaximumSize() const;
+  gfx::Size GetMinimumSize() const;
+
+  void set_minimum_size(const gfx::Size& min_size);
+  void set_maximum_size(const gfx::Size& max_size);
+
+ private:
+  gfx::Size minimum_size_;
+  gfx::Size maximum_size_;
+};
+
+}  // namespace extensions
+
+#endif  // EXTENSIONS_BROWSER_APP_WINDOW_SIZE_CONSTRAINTS_H_