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// Copyright (c) 2006-2008 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 VIEWS_BORDER_H_
#define VIEWS_BORDER_H_
#include "app/gfx/insets.h"
#include "third_party/skia/include/core/SkColor.h"
#include "views/view.h"
namespace gfx{
class Canvas;
}
namespace views {
class View;
////////////////////////////////////////////////////////////////////////////////
//
// Border class.
//
// The border class is used to display a border around a view.
// To set a border on a view, just call SetBorder on the view, for example:
// view->SetBorder(Border::CreateSolidBorder(1, SkColorSetRGB(25, 25, 112));
// Once set on a view, the border is owned by the view.
//
// IMPORTANT NOTE: not all views support borders at this point. In order to
// support the border, views should make sure to use bounds excluding the
// border (by calling View::GetLocalBoundsExcludingBorder) when doing layout and
// painting.
//
////////////////////////////////////////////////////////////////////////////////
class Border {
public:
Border();
virtual ~Border();
// Creates a border that is a simple line of the specified thickness and
// color.
static Border* CreateSolidBorder(int thickness, SkColor color);
// Creates a border for reserving space. The returned border does not
// paint anything.
static Border* CreateEmptyBorder(int top, int left, int bottom, int right);
// Renders the border for the specified view.
virtual void Paint(const View& view, gfx::Canvas* canvas) const = 0;
// Sets the specified insets to the the border insets.
virtual void GetInsets(gfx::Insets* insets) const = 0;
private:
DISALLOW_COPY_AND_ASSIGN(Border);
};
} // namespace views
#endif // VIEWS_BORDER_H_
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