Full Keyboard Access: Second Approach

ui/views/controls/tree/tree_view.cc

 // Copyright (c) 2012 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 "ui/views/controls/tree/tree_view.h"
 
 #include <algorithm>
 
 #include "base/i18n/rtl.h"
 #include "base/message_loop/message_loop.h"
 #include "ui/accessibility/ax_view_state.h"
 #include "ui/base/ime/input_method.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/events/event.h"
 #include "ui/events/keycodes/keyboard_codes.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/rect_conversions.h"
 #include "ui/gfx/image/image.h"
 #include "ui/gfx/skia_util.h"
 #include "ui/native_theme/native_theme.h"
 #include "ui/resources/grit/ui_resources.h"
 #include "ui/views/controls/prefix_selector.h"
 #include "ui/views/controls/scroll_view.h"
 #include "ui/views/controls/textfield/textfield.h"
 #include "ui/views/controls/tree/tree_view_controller.h"
 #include "ui/views/resources/grit/views_resources.h"
+#include "ui/views/style/platform_style.h"
 
 using ui::TreeModel;
 using ui::TreeModelNode;
 
 namespace views {
 
 // Insets around the view.
 static const int kHorizontalInset = 2;
 static const int kVerticalInset = 2;
 // Padding before/after the image.
@@ skipping 36 matching lines @@
     : model_(NULL),
       selected_node_(NULL),
       editing_(false),
       editor_(NULL),
       focus_manager_(NULL),
       auto_expand_children_(false),
       editable_(true),
       controller_(NULL),
       root_shown_(true),
       row_height_(font_list_.GetHeight() + kTextVerticalPadding * 2) {
-  SetFocusable(true);
+  PlatformStyle::ConfigureFocus(PlatformStyle::CONTROL::TREE_VIEW, this);
   closed_icon_ = *ui::ResourceBundle::GetSharedInstance().GetImageNamed(
       (base::i18n::IsRTL() ? IDR_FOLDER_CLOSED_RTL
                            : IDR_FOLDER_CLOSED)).ToImageSkia();
   open_icon_ = *ui::ResourceBundle::GetSharedInstance().GetImageNamed(
       (base::i18n::IsRTL() ? IDR_FOLDER_OPEN_RTL
                            : IDR_FOLDER_OPEN)).ToImageSkia();
   text_offset_ = closed_icon_.width() + kImagePadding + kImagePadding +
       kArrowRegionSize;
 }
 
@@ skipping 948 matching lines @@
   if (!is_expanded_)
     return max_width;
   for (int i = 0; i < child_count(); ++i) {
     max_width = std::max(max_width,
                          GetChild(i)->GetMaxWidth(indent, depth + 1));
   }
   return max_width;
 }
 
 }  // namespace views