chrome/browser/ui/views/location_bar/page_action_with_badge_view.cc

   1 // Copyright (c) 2012 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/location_bar/page_action_with_badge_view.h"
   6
   7 #include "chrome/browser/extensions/extension_action.h"
   8 #include "chrome/browser/ui/views/location_bar/page_action_image_view.h"
   9 #include "ui/accessibility/ax_view_state.h"
  10
  11 using content::WebContents;
  12
  13 PageActionWithBadgeView::PageActionWithBadgeView(
  14     PageActionImageView* image_view) {
  15   image_view_ = image_view;
  16   AddChildView(image_view_);
  17 }
  18
  19 void PageActionWithBadgeView::GetAccessibleState(
  20     ui::AXViewState* state) {
  21   state->role = ui::AX_ROLE_GROUP;
  22 }
  23
  24 gfx::Size PageActionWithBadgeView::GetPreferredSize() const {
  25   return gfx::Size(ExtensionAction::kPageActionIconMaxSize,
  26                    ExtensionAction::kPageActionIconMaxSize);
  27 }
  28
  29 void PageActionWithBadgeView::Layout() {
  30   // We have 25 pixels of vertical space in the Omnibox to play with, so even
  31   // sized icons (such as 16x16) have either a 5 or a 4 pixel whitespace
  32   // (padding) above and below. It looks better to have the extra pixel above
  33   // the icon than below it, so we add a pixel. http://crbug.com/25708.
  34   const gfx::ImageSkia& image = image_view()->GetImage();
  35   int y = (image.height() + 1) % 2;  // Even numbers: 1px padding. Odd: 0px.
  36   image_view_->SetBounds(0, y, width(), height());
  37 }
  38
  39 void PageActionWithBadgeView::UpdateVisibility(WebContents* contents,
  40                                                const GURL& url) {
  41   image_view_->UpdateVisibility(contents, url);
  42   SetVisible(image_view_->visible());
  43 }