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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "border.h"
namespace ChromeViews {
namespace {
// A simple border with a fixed thickness and single color.
class SolidBorder : public Border {
public:
SolidBorder(int thickness, SkColor color);
virtual void Paint(const View& view, ChromeCanvas* canvas) const;
virtual void GetInsets(gfx::Insets* insets) const;
private:
int thickness_;
SkColor color_;
gfx::Insets insets_;
DISALLOW_EVIL_CONSTRUCTORS(SolidBorder);
};
SolidBorder::SolidBorder(int thickness, SkColor color)
: thickness_(thickness),
color_(color),
insets_(thickness, thickness, thickness, thickness) {
}
void SolidBorder::Paint(const View& view, ChromeCanvas* canvas) const {
gfx::Rect clip_rect;
if (!canvas->GetClipRect(&clip_rect))
return; // Empty clip rectangle, nothing to paint.
// Top border.
gfx::Rect border_bounds(0, 0, view.GetWidth(), insets_.top());
if (clip_rect.Intersects(border_bounds))
canvas->FillRectInt(color_, 0, 0, view.GetWidth(), insets_.top());
// Left border.
border_bounds.SetRect(0, 0, insets_.left(), view.GetHeight());
if (clip_rect.Intersects(border_bounds))
canvas->FillRectInt(color_, 0, 0, insets_.left(), view.GetHeight());
// Bottom border.
border_bounds.SetRect(0, view.GetHeight() - insets_.bottom(),
view.GetWidth(), insets_.bottom());
if (clip_rect.Intersects(border_bounds))
canvas->FillRectInt(color_, 0, view.GetHeight() - insets_.bottom(),
view.GetWidth(), insets_.bottom());
// Right border.
border_bounds.SetRect(view.GetWidth() - insets_.right(), 0,
insets_.right(), view.GetHeight());
if (clip_rect.Intersects(border_bounds))
canvas->FillRectInt(color_, view.GetWidth() - insets_.right(), 0,
insets_.right(), view.GetHeight());
}
void SolidBorder::GetInsets(gfx::Insets* insets) const {
DCHECK(insets);
insets->Set(insets_.top(), insets_.left(), insets_.bottom(), insets_.right());
}
class EmptyBorder : public Border {
public:
EmptyBorder(int top, int left, int bottom, int right)
: top_(top), left_(left), bottom_(bottom), right_(right) {}
virtual void Paint(const View& view, ChromeCanvas* canvas) const {}
virtual void GetInsets(gfx::Insets* insets) const {
DCHECK(insets);
insets->Set(top_, left_, bottom_, right_);
}
private:
int top_;
int left_;
int bottom_;
int right_;
DISALLOW_EVIL_CONSTRUCTORS(EmptyBorder);
};
}
Border::Border() {
}
Border::~Border() {
}
// static
Border* Border::CreateSolidBorder(int thickness, SkColor color) {
return new SolidBorder(thickness, color);
}
// static
Border* Border::CreateEmptyBorder(int top, int left, int bottom, int right) {
return new EmptyBorder(top, left, bottom, right);
}
} // namespace
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