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 PageActionWithBadgeView::PageActionWithBadgeView(
  12     PageActionImageView* image_view) : image_view_(image_view) {
  13   AddChildView(image_view_);
  14 }
  15
  16 void PageActionWithBadgeView::GetAccessibleState(
  17     ui::AXViewState* state) {
  18   state->role = ui::AX_ROLE_GROUP;
  19 }
  20
  21 gfx::Size PageActionWithBadgeView::GetPreferredSize() const {
  22   return gfx::Size(ExtensionAction::kPageActionIconMaxSize,
  23                    ExtensionAction::kPageActionIconMaxSize);
  24 }
  25
  26 void PageActionWithBadgeView::UpdateVisibility(content::WebContents* contents) {
  27   image_view_->UpdateVisibility(contents);
  28   SetVisible(image_view_->visible());
  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 const char* PageActionWithBadgeView::GetClassName() const {
  42   return "PageActionWithBadgeView";
  43 }