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// Copyright 2013 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.
#include "chrome/browser/ui/views/toolbar/back_button.h"
#include "ui/gfx/geometry/insets.h"
#include "ui/views/controls/button/label_button_border.h"
#include "ui/views/painter.h"
BackButton::BackButton(views::ButtonListener* listener,
ui::MenuModel* model)
: ToolbarButton(listener, model),
margin_leading_(0) {}
BackButton::~BackButton() {}
gfx::Rect BackButton::GetThemePaintRect() const {
gfx::Rect rect(LabelButton::GetThemePaintRect());
rect.Inset(margin_leading_, 0, 0, 0);
return rect;
}
void BackButton::SetLeadingMargin(int margin) {
margin_leading_ = margin;
UpdateThemedBorder();
// Similarly fiddle the focus border. Value consistent with LabelButton.
// TODO(gbillock): Refactor this magic number somewhere global to views,
// probably a FocusBorder constant.
const int kFocusRectInset = 3;
SetFocusPainter(views::Painter::CreateDashedFocusPainterWithInsets(
gfx::Insets(kFocusRectInset, kFocusRectInset + margin,
kFocusRectInset, kFocusRectInset)));
InvalidateLayout();
}
scoped_ptr<views::LabelButtonBorder> BackButton::CreateDefaultBorder() const {
scoped_ptr<views::LabelButtonBorder> border =
ToolbarButton::CreateDefaultBorder();
// Adjust border insets to follow the margin change,
// which will be reflected in where the border is painted
// through |GetThemePaintRect|.
const gfx::Insets insets(border->GetInsets());
border->set_insets(gfx::Insets(insets.top(), insets.left() + margin_leading_,
insets.bottom(), insets.right()));
return border.Pass();
}
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