page_action_with_badge_view.cc revision 72a454cd3513ac24fbdd0e0cb9ad70b86a99b801 
1// Copyright (c) 2011 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/ui/views/location_bar/page_action_image_view.h"
8#include "chrome/common/extensions/extension.h"
9
10PageActionWithBadgeView::PageActionWithBadgeView(
11    PageActionImageView* image_view) {
12  image_view_ = image_view;
13  AddChildView(image_view_);
14}
15
16AccessibilityTypes::Role PageActionWithBadgeView::GetAccessibleRole() {
17  return AccessibilityTypes::ROLE_GROUPING;
18}
19
20gfx::Size PageActionWithBadgeView::GetPreferredSize() {
21  return gfx::Size(Extension::kPageActionIconMaxSize,
22                   Extension::kPageActionIconMaxSize);
23}
24
25void PageActionWithBadgeView::Layout() {
26  // We have 25 pixels of vertical space in the Omnibox to play with, so even
27  // sized icons (such as 16x16) have either a 5 or a 4 pixel whitespace
28  // (padding) above and below. It looks better to have the extra pixel above
29  // the icon than below it, so we add a pixel. http://crbug.com/25708.
30  const SkBitmap& image = image_view()->GetImage();
31  int y = (image.height() + 1) % 2;  // Even numbers: 1px padding. Odd: 0px.
32  image_view_->SetBounds(0, y, width(), height());
33}
34
35void PageActionWithBadgeView::UpdateVisibility(TabContents* contents,
36                                               const GURL& url) {
37  image_view_->UpdateVisibility(contents, url);
38  SetVisible(image_view_->IsVisible());
39}
40