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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/chromeos/external_protocol_dialog.h"
      6 
      7 #include "base/metrics/histogram.h"
      8 #include "base/strings/string_util.h"
      9 #include "base/strings/utf_string_conversions.h"
     10 #include "chrome/browser/external_protocol/external_protocol_handler.h"
     11 #include "chrome/browser/tab_contents/tab_util.h"
     12 #include "content/public/browser/web_contents.h"
     13 #include "content/public/browser/web_contents_view.h"
     14 #include "grit/chromium_strings.h"
     15 #include "grit/generated_resources.h"
     16 #include "ui/base/l10n/l10n_util.h"
     17 #include "ui/gfx/text_elider.h"
     18 #include "ui/views/controls/message_box_view.h"
     19 #include "ui/views/widget/widget.h"
     20 #include "url/gurl.h"
     21 
     22 using content::WebContents;
     23 
     24 namespace {
     25 
     26 const int kMessageWidth = 400;
     27 
     28 }  // namespace
     29 
     30 ///////////////////////////////////////////////////////////////////////////////
     31 // ExternalProtocolHandler
     32 
     33 // static
     34 void ExternalProtocolHandler::RunExternalProtocolDialog(
     35     const GURL& url, int render_process_host_id, int routing_id) {
     36   WebContents* web_contents = tab_util::GetWebContentsByID(
     37       render_process_host_id, routing_id);
     38   DCHECK(web_contents);
     39   new ExternalProtocolDialog(web_contents, url);
     40 }
     41 
     42 ///////////////////////////////////////////////////////////////////////////////
     43 // ExternalProtocolDialog
     44 
     45 ExternalProtocolDialog::~ExternalProtocolDialog() {
     46 }
     47 
     48 //////////////////////////////////////////////////////////////////////////////
     49 // ExternalProtocolDialog, views::DialogDelegate implementation:
     50 
     51 int ExternalProtocolDialog::GetDialogButtons() const {
     52   return ui::DIALOG_BUTTON_OK;
     53 }
     54 
     55 base::string16 ExternalProtocolDialog::GetDialogButtonLabel(
     56     ui::DialogButton button) const {
     57   return l10n_util::GetStringUTF16(IDS_EXTERNAL_PROTOCOL_OK_BUTTON_TEXT);
     58 }
     59 
     60 base::string16 ExternalProtocolDialog::GetWindowTitle() const {
     61   return l10n_util::GetStringUTF16(IDS_EXTERNAL_PROTOCOL_TITLE);
     62 }
     63 
     64 void ExternalProtocolDialog::DeleteDelegate() {
     65   delete this;
     66 }
     67 
     68 bool ExternalProtocolDialog::Accept() {
     69   if (message_box_view_->IsCheckBoxSelected()) {
     70     ExternalProtocolHandler::SetBlockState(
     71         scheme_, ExternalProtocolHandler::DONT_BLOCK);
     72   }
     73   // Returning true closes the dialog.
     74   return true;
     75 }
     76 
     77 views::View* ExternalProtocolDialog::GetContentsView() {
     78   return message_box_view_;
     79 }
     80 
     81 const views::Widget* ExternalProtocolDialog::GetWidget() const {
     82   return message_box_view_->GetWidget();
     83 }
     84 
     85 views::Widget* ExternalProtocolDialog::GetWidget() {
     86   return message_box_view_->GetWidget();
     87 }
     88 
     89 ///////////////////////////////////////////////////////////////////////////////
     90 // ExternalProtocolDialog, private:
     91 
     92 ExternalProtocolDialog::ExternalProtocolDialog(WebContents* web_contents,
     93                                                const GURL& url)
     94     : creation_time_(base::TimeTicks::Now()),
     95       scheme_(url.scheme()) {
     96   const int kMaxUrlWithoutSchemeSize = 256;
     97   base::string16 elided_url_without_scheme;
     98   gfx::ElideString(ASCIIToUTF16(url.possibly_invalid_spec()),
     99       kMaxUrlWithoutSchemeSize, &elided_url_without_scheme);
    100 
    101   views::MessageBoxView::InitParams params(
    102       l10n_util::GetStringFUTF16(IDS_EXTERNAL_PROTOCOL_INFORMATION,
    103       ASCIIToUTF16(url.scheme() + ":"),
    104       elided_url_without_scheme) + ASCIIToUTF16("\n\n"));
    105   params.message_width = kMessageWidth;
    106   message_box_view_ = new views::MessageBoxView(params);
    107   message_box_view_->SetCheckBoxLabel(
    108       l10n_util::GetStringUTF16(IDS_EXTERNAL_PROTOCOL_CHECKBOX_TEXT));
    109 
    110   gfx::NativeWindow parent_window;
    111   if (web_contents) {
    112     parent_window = web_contents->GetView()->GetTopLevelNativeWindow();
    113   } else {
    114     // Dialog is top level if we don't have a web_contents associated with us.
    115     parent_window = NULL;
    116   }
    117   views::DialogDelegate::CreateDialogWidget(this, NULL, parent_window)->Show();
    118 }
    119