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-rw-r--r--chromium/ui/gfx/insets_base.h80
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diff --git a/chromium/ui/gfx/insets_base.h b/chromium/ui/gfx/insets_base.h
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--- a/chromium/ui/gfx/insets_base.h
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-// Copyright 2012 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 UI_GFX_INSETS_BASE_H_
-#define UI_GFX_INSETS_BASE_H_
-
-#include "ui/gfx/gfx_export.h"
-
-namespace gfx {
-
-// An insets represents the borders of a container (the space the container must
-// leave at each of its edges).
-template<typename Class, typename Type>
-class GFX_EXPORT InsetsBase {
- public:
- Type top() const { return top_; }
- Type left() const { return left_; }
- Type bottom() const { return bottom_; }
- Type right() const { return right_; }
-
- // Returns the total width taken up by the insets, which is the sum of the
- // left and right insets.
- Type width() const { return left_ + right_; }
-
- // Returns the total height taken up by the insets, which is the sum of the
- // top and bottom insets.
- Type height() const { return top_ + bottom_; }
-
- // Returns true if the insets are empty.
- bool empty() const { return width() == 0 && height() == 0; }
-
- void Set(Type top, Type left, Type bottom, Type right) {
- top_ = top;
- left_ = left;
- bottom_ = bottom;
- right_ = right;
- }
-
- bool operator==(const Class& insets) const {
- return top_ == insets.top_ && left_ == insets.left_ &&
- bottom_ == insets.bottom_ && right_ == insets.right_;
- }
-
- bool operator!=(const Class& insets) const {
- return !(*this == insets);
- }
-
- void operator+=(const Class& insets) {
- top_ += insets.top_;
- left_ += insets.left_;
- bottom_ += insets.bottom_;
- right_ += insets.right_;
- }
-
- Class operator-() const {
- return Class(-top_, -left_, -bottom_, -right_);
- }
-
- protected:
- InsetsBase(Type top, Type left, Type bottom, Type right)
- : top_(top),
- left_(left),
- bottom_(bottom),
- right_(right) {}
-
- // Destructor is intentionally made non virtual and protected.
- // Do not make this public.
- ~InsetsBase() {}
-
- private:
- Type top_;
- Type left_;
- Type bottom_;
- Type right_;
-};
-
-} // namespace gfx
-
-#endif // UI_GFX_INSETS_BASE_H_