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      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 
     40 void OpenPDFInReaderView::ShowBubble() {
     41   if (bubble_)
     42     return;
     43 
     44   DCHECK(model_);
     45   bubble_ = new OpenPDFInReaderBubbleView(this, model_);
     46   views::BubbleDelegateView::CreateBubble(bubble_);
     47   bubble_->GetWidget()->AddObserver(this);
     48   bubble_->GetWidget()->Show();
     49 }
     50 
     51 void OpenPDFInReaderView::GetAccessibleState(ui::AXViewState* state) {
     52   state->name = l10n_util::GetStringUTF16(IDS_ACCNAME_OPEN_PDF_IN_READER);
     53   state->role = ui::AX_ROLE_BUTTON;
     54 }
     55 
     56 bool OpenPDFInReaderView::OnMousePressed(const ui::MouseEvent& event) {
     57   // Show the bubble on mouse release; that is standard button behavior.
     58   return true;
     59 }
     60 
     61 void OpenPDFInReaderView::OnMouseReleased(const ui::MouseEvent& event) {
     62   if (event.IsOnlyLeftMouseButton() && HitTestPoint(event.location()))
     63     ShowBubble();
     64 }
     65 
     66 bool OpenPDFInReaderView::OnKeyPressed(const ui::KeyEvent& event) {
     67   if (event.key_code() != ui::VKEY_SPACE &&
     68       event.key_code() != ui::VKEY_RETURN) {
     69     return false;
     70   }
     71 
     72   ShowBubble();
     73   return true;
     74 }
     75 
     76 void OpenPDFInReaderView::OnWidgetDestroying(views::Widget* widget) {
     77   if (!bubble_)
     78     return;
     79 
     80   bubble_->GetWidget()->RemoveObserver(this);
     81   bubble_ = NULL;
     82 }
     83