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