chrome/browser/ui/views/location_bar/open_pdf_in_reader_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/open_pdf_in_reader_view.h"
   6
   7 #include "chrome/browser/ui/views/open_pdf_in_reader_bubble_view.h"
   8 #include "chrome/grit/generated_resources.h"
   9 #include "components/pdf/browser/open_pdf_in_reader_prompt_client.h"
  10 #include "components/pdf/browser/pdf_web_contents_helper.h"
  11 #include "grit/theme_resources.h"
  12 #include "ui/accessibility/ax_view_state.h"
  13 #include "ui/base/l10n/l10n_util.h"
  14 #include "ui/base/resource/resource_bundle.h"
  15 #include "ui/views/widget/widget.h"
  16
  17 OpenPDFInReaderView::OpenPDFInReaderView() : bubble_(NULL), model_(NULL) {
  18   SetAccessibilityFocusable(true);
  19   SetImage(ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
  20       IDR_OMNIBOX_PDF_ICON));
  21   SetTooltipText(l10n_util::GetStringUTF16(IDS_PDF_BUBBLE_OPEN_IN_READER_LINK));
  22 }
  23
  24 OpenPDFInReaderView::~OpenPDFInReaderView() {
  25   if (bubble_)
  26     bubble_->GetWidget()->RemoveObserver(this);
  27 }
  28
  29 void OpenPDFInReaderView::Update(content::WebContents* web_contents) {
  30   model_ = NULL;
  31   if (web_contents) {
  32     pdf::PDFWebContentsHelper* pdf_tab_helper =
  33         pdf::PDFWebContentsHelper::FromWebContents(web_contents);
  34     model_ = pdf_tab_helper->open_in_reader_prompt();
  35   }
  36
  37   SetVisible(!!model_);
  38
  39   // Hide the bubble if it is currently shown and the icon is hidden.
  40   if (!model_ && bubble_)
  41     bubble_->GetWidget()->Hide();
  42 }
  43
  44 void OpenPDFInReaderView::ShowBubble() {
  45   if (bubble_)
  46     return;
  47
  48   DCHECK(model_);
  49   bubble_ = new OpenPDFInReaderBubbleView(this, model_);
  50   views::BubbleDelegateView::CreateBubble(bubble_);
  51   bubble_->GetWidget()->AddObserver(this);
  52   bubble_->GetWidget()->Show();
  53 }
  54
  55 void OpenPDFInReaderView::GetAccessibleState(ui::AXViewState* state) {
  56   state->name = l10n_util::GetStringUTF16(IDS_ACCNAME_OPEN_PDF_IN_READER);
  57   state->role = ui::AX_ROLE_BUTTON;
  58 }
  59
  60 bool OpenPDFInReaderView::OnMousePressed(const ui::MouseEvent& event) {
  61   // Show the bubble on mouse release; that is standard button behavior.
  62   return true;
  63 }
  64
  65 void OpenPDFInReaderView::OnMouseReleased(const ui::MouseEvent& event) {
  66   if (event.IsOnlyLeftMouseButton() && HitTestPoint(event.location()))
  67     ShowBubble();
  68 }
  69
  70 bool OpenPDFInReaderView::OnKeyPressed(const ui::KeyEvent& event) {
  71   if (event.key_code() != ui::VKEY_SPACE &&
  72       event.key_code() != ui::VKEY_RETURN) {
  73     return false;
  74   }
  75
  76   ShowBubble();
  77   return true;
  78 }
  79
  80 void OpenPDFInReaderView::OnWidgetDestroying(views::Widget* widget) {
  81   if (!bubble_)
  82     return;
  83
  84   bubble_->GetWidget()->RemoveObserver(this);
  85   bubble_ = NULL;
  86 }