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 11 BackButton::BackButton(views::ButtonListener* listener, 12 ui::MenuModel* model) 13 : ToolbarButton(listener, model), 14 margin_leading_(0) {} 15 16 BackButton::~BackButton() {} 17 18 gfx::Rect BackButton::GetThemePaintRect() const { 19 gfx::Rect rect(LabelButton::GetThemePaintRect()); 20 rect.Inset(margin_leading_, 0, 0, 0); 21 return rect; 22 } 23 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 41 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
