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      1 // Copyright 2014 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/download/download_feedback_dialog_view.h"
      6 
      7 #include "base/metrics/histogram.h"
      8 #include "base/prefs/pref_service.h"
      9 #include "base/supports_user_data.h"
     10 #include "chrome/browser/platform_util.h"
     11 #include "chrome/browser/profiles/profile.h"
     12 #include "chrome/browser/ui/views/constrained_window_views.h"
     13 #include "chrome/grit/chromium_strings.h"
     14 #include "chrome/grit/generated_resources.h"
     15 #include "content/public/browser/page_navigator.h"
     16 #include "ui/base/l10n/l10n_util.h"
     17 #include "ui/views/controls/link.h"
     18 #include "ui/views/controls/message_box_view.h"
     19 #include "ui/views/widget/widget.h"
     20 
     21 using content::OpenURLParams;
     22 
     23 namespace {
     24 
     25 const void* kDialogStatusKey = &kDialogStatusKey;
     26 
     27 class DialogStatusData : public base::SupportsUserData::Data {
     28  public:
     29   DialogStatusData() : currently_shown_(false) {}
     30   virtual ~DialogStatusData() {}
     31   bool currently_shown() const { return currently_shown_; }
     32   void set_currently_shown(bool shown) { currently_shown_ = shown; }
     33  private:
     34   bool currently_shown_;
     35 };
     36 
     37 }  // namespace
     38 
     39 // static
     40 void DownloadFeedbackDialogView::Show(
     41     gfx::NativeWindow parent_window,
     42     Profile* profile,
     43     content::PageNavigator* navigator,
     44     const UserDecisionCallback& callback) {
     45   // This dialog should only be shown if it hasn't been shown before.
     46   DCHECK(!profile->GetPrefs()->HasPrefPath(
     47       prefs::kSafeBrowsingExtendedReportingEnabled));
     48 
     49   // Only one dialog should be shown at a time, so check to see if another one
     50   // is open. If another one is open, treat this parallel call as if reporting
     51   // is disabled (to be conservative).
     52   DialogStatusData* data =
     53       static_cast<DialogStatusData*>(profile->GetUserData(kDialogStatusKey));
     54   if (data == NULL) {
     55     data = new DialogStatusData();
     56     profile->SetUserData(kDialogStatusKey, data);
     57   }
     58   if (data->currently_shown() == false) {
     59     data->set_currently_shown(true);
     60     DownloadFeedbackDialogView* window =
     61         new DownloadFeedbackDialogView(profile, navigator, callback);
     62     CreateBrowserModalDialogViews(window, parent_window)->Show();
     63   } else {
     64     callback.Run(false);
     65   }
     66 }
     67 
     68 DownloadFeedbackDialogView::DownloadFeedbackDialogView(
     69     Profile* profile,
     70     content::PageNavigator* navigator,
     71     const UserDecisionCallback& callback)
     72     : profile_(profile),
     73       navigator_(navigator),
     74       callback_(callback),
     75       explanation_box_view_(new views::MessageBoxView(
     76           views::MessageBoxView::InitParams(l10n_util::GetStringUTF16(
     77               IDS_FEEDBACK_SERVICE_DIALOG_EXPLANATION)))),
     78       link_view_(new views::Link(l10n_util::GetStringUTF16(
     79           IDS_SAFE_BROWSING_PRIVACY_POLICY_PAGE))),
     80       title_text_(l10n_util::GetStringUTF16(IDS_FEEDBACK_SERVICE_DIALOG_TITLE)),
     81       ok_button_text_(l10n_util::GetStringUTF16(
     82           IDS_FEEDBACK_SERVICE_DIALOG_OK_BUTTON_LABEL)),
     83       cancel_button_text_(l10n_util::GetStringUTF16(
     84           IDS_FEEDBACK_SERVICE_DIALOG_CANCEL_BUTTON_LABEL)) {
     85   link_view_->set_listener(this);
     86 }
     87 
     88 DownloadFeedbackDialogView::~DownloadFeedbackDialogView() {}
     89 
     90 int DownloadFeedbackDialogView::GetDefaultDialogButton() const {
     91   return ui::DIALOG_BUTTON_CANCEL;
     92 }
     93 
     94 base::string16 DownloadFeedbackDialogView::GetDialogButtonLabel(
     95     ui::DialogButton button) const {
     96   return (button == ui::DIALOG_BUTTON_OK) ?
     97       ok_button_text_ : cancel_button_text_;
     98 }
     99 
    100 bool DownloadFeedbackDialogView::OnButtonClicked(bool accepted) {
    101   profile_->GetPrefs()->SetBoolean(prefs::kSafeBrowsingExtendedReportingEnabled,
    102                                    accepted);
    103   DialogStatusData* data =
    104      static_cast<DialogStatusData*>(profile_->GetUserData(kDialogStatusKey));
    105   DCHECK(data);
    106   data->set_currently_shown(false);
    107 
    108   UMA_HISTOGRAM_BOOLEAN("Download.FeedbackDialogEnabled", accepted);
    109 
    110   callback_.Run(accepted);
    111   return true;
    112 }
    113 
    114 bool DownloadFeedbackDialogView::Cancel() {
    115   return OnButtonClicked(false);
    116 }
    117 
    118 bool DownloadFeedbackDialogView::Accept() {
    119   return OnButtonClicked(true);
    120 }
    121 
    122 ui::ModalType DownloadFeedbackDialogView::GetModalType() const {
    123   return ui::MODAL_TYPE_WINDOW;
    124 }
    125 
    126 base::string16 DownloadFeedbackDialogView::GetWindowTitle() const {
    127   return title_text_;
    128 }
    129 
    130 void DownloadFeedbackDialogView::DeleteDelegate() {
    131   delete this;
    132 }
    133 
    134 views::Widget* DownloadFeedbackDialogView::GetWidget() {
    135   return explanation_box_view_->GetWidget();
    136 }
    137 
    138 const views::Widget* DownloadFeedbackDialogView::GetWidget() const {
    139   return explanation_box_view_->GetWidget();
    140 }
    141 
    142 views::View* DownloadFeedbackDialogView::GetContentsView() {
    143   return explanation_box_view_;
    144 }
    145 
    146 views::View* DownloadFeedbackDialogView::CreateExtraView() {
    147   return link_view_;
    148 }
    149 
    150 void DownloadFeedbackDialogView::LinkClicked(
    151     views::Link* source, int event_flags) {
    152   WindowOpenDisposition disposition =
    153       ui::DispositionFromEventFlags(event_flags);
    154   content::OpenURLParams params(
    155       GURL(l10n_util::GetStringUTF8(IDS_SAFE_BROWSING_PRIVACY_POLICY_URL)),
    156       content::Referrer(),
    157       disposition == CURRENT_TAB ? NEW_FOREGROUND_TAB : disposition,
    158       ui::PAGE_TRANSITION_LINK, false);
    159   navigator_->OpenURL(params);
    160 }
    161