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