1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "chrome/browser/ui/views/toolbar/back_button.h"
6
7 #include "ui/gfx/insets.h"
8 #include "ui/views/controls/button/label_button_border.h"
9 #include "ui/views/painter.h"
10
BackButton(views::ButtonListener * listener,ui::MenuModel * model)11 BackButton::BackButton(views::ButtonListener* listener,
12 ui::MenuModel* model)
13 : ToolbarButton(listener, model),
14 margin_leading_(0) {}
15
~BackButton()16 BackButton::~BackButton() {}
17
GetThemePaintRect() const18 gfx::Rect BackButton::GetThemePaintRect() const {
19 gfx::Rect rect(LabelButton::GetThemePaintRect());
20 rect.Inset(margin_leading_, 0, 0, 0);
21 return rect;
22 }
23
SetLeadingMargin(int margin)24 void BackButton::SetLeadingMargin(int margin) {
25 margin_leading_ = margin;
26
27 UpdateThemedBorder();
28
29 // Similarly fiddle the focus border. Value consistent with LabelButton
30 // and TextButton.
31 // TODO(gbillock): Refactor this magic number somewhere global to views,
32 // probably a FocusBorder constant.
33 const int kFocusRectInset = 3;
34 SetFocusPainter(views::Painter::CreateDashedFocusPainterWithInsets(
35 gfx::Insets(kFocusRectInset, kFocusRectInset + margin,
36 kFocusRectInset, kFocusRectInset)));
37
38 InvalidateLayout();
39 }
40
CreateDefaultBorder() const41 scoped_ptr<views::LabelButtonBorder> BackButton::CreateDefaultBorder() const {
42 scoped_ptr<views::LabelButtonBorder> border =
43 ToolbarButton::CreateDefaultBorder();
44
45 // Adjust border insets to follow the margin change,
46 // which will be reflected in where the border is painted
47 // through |GetThemePaintRect|.
48 const gfx::Insets insets(border->GetInsets());
49 border->set_insets(gfx::Insets(insets.top(), insets.left() + margin_leading_,
50 insets.bottom(), insets.right()));
51
52 return border.Pass();
53 }
54