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/ui/views/location_bar/location_bar_view.h"
   8 #include "chrome/browser/ui/views/location_bar/page_action_image_view.h"
   9 #include "chrome/common/extensions/manifest_handlers/icons_handler.h"
  10 #include "ui/base/accessibility/accessible_view_state.h"
  11
  12 using content::WebContents;
  13
  14 PageActionWithBadgeView::PageActionWithBadgeView(
  15     PageActionImageView* image_view) {
  16   image_view_ = image_view;
  17   AddChildView(image_view_);
  18   LocationBarView::InitTouchableLocationBarChildView(this);
  19 }
  20
  21 void PageActionWithBadgeView::GetAccessibleState(
  22     ui::AccessibleViewState* state) {
  23   state->role = ui::AccessibilityTypes::ROLE_GROUPING;
  24 }
  25
  26 gfx::Size PageActionWithBadgeView::GetPreferredSize() {
  27   return gfx::Size(extensions::IconsInfo::kPageActionIconMaxSize,
  28                    extensions::IconsInfo::kPageActionIconMaxSize);
  29 }
  30
  31 void PageActionWithBadgeView::Layout() {
  32   // We have 25 pixels of vertical space in the Omnibox to play with, so even
  33   // sized icons (such as 16x16) have either a 5 or a 4 pixel whitespace
  34   // (padding) above and below. It looks better to have the extra pixel above
  35   // the icon than below it, so we add a pixel. http://crbug.com/25708.
  36   const gfx::ImageSkia& image = image_view()->GetImage();
  37   int y = (image.height() + 1) % 2;  // Even numbers: 1px padding. Odd: 0px.
  38   image_view_->SetBounds(0, y, width(), height());
  39 }
  40
  41 void PageActionWithBadgeView::UpdateVisibility(WebContents* contents,
  42                                                const GURL& url) {
  43   image_view_->UpdateVisibility(contents, url);
  44   SetVisible(image_view_->visible());
  45 }