page_action_with_badge_view.cc revision cedac228d2dd51db4b79ea1e72c7f249408ee061 
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
11using content::WebContents;
12
13PageActionWithBadgeView::PageActionWithBadgeView(
14    PageActionImageView* image_view) {
15  image_view_ = image_view;
16  AddChildView(image_view_);
17}
18
19void PageActionWithBadgeView::GetAccessibleState(
20    ui::AXViewState* state) {
21  state->role = ui::AX_ROLE_GROUP;
22}
23
24gfx::Size PageActionWithBadgeView::GetPreferredSize() const {
25  return gfx::Size(ExtensionAction::kPageActionIconMaxSize,
26                   ExtensionAction::kPageActionIconMaxSize);
27}
28
29void 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
39void PageActionWithBadgeView::UpdateVisibility(WebContents* contents,
40                                               const GURL& url) {
41  image_view_->UpdateVisibility(contents, url);
42  SetVisible(image_view_->visible());
43}
44