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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/signed_certificate_timestamps_views.h"
      6 
      7 #include "base/strings/string_number_conversions.h"
      8 #include "base/strings/stringprintf.h"
      9 #include "base/strings/utf_string_conversions.h"
     10 #include "chrome/browser/chrome_notification_types.h"
     11 #include "chrome/browser/ui/views/constrained_window_views.h"
     12 #include "chrome/browser/ui/views/signed_certificate_timestamp_info_view.h"
     13 #include "content/public/browser/notification_source.h"
     14 #include "content/public/browser/signed_certificate_timestamp_store.h"
     15 #include "content/public/common/signed_certificate_timestamp_id_and_status.h"
     16 #include "grit/generated_resources.h"
     17 #include "ui/base/l10n/l10n_util.h"
     18 #include "ui/base/models/combobox_model.h"
     19 #include "ui/views/controls/combobox/combobox.h"
     20 #include "ui/views/layout/grid_layout.h"
     21 #include "ui/views/layout/layout_constants.h"
     22 #include "ui/views/widget/widget.h"
     23 
     24 namespace {
     25 
     26 void SignedCertificateTimestampIDsToList(
     27     const content::SignedCertificateTimestampIDStatusList& sct_ids_list,
     28     net::SignedCertificateTimestampAndStatusList* sct_list) {
     29   for (content::SignedCertificateTimestampIDStatusList::const_iterator it =
     30            sct_ids_list.begin();
     31        it != sct_ids_list.end();
     32        ++it) {
     33     scoped_refptr<net::ct::SignedCertificateTimestamp> sct;
     34     content::SignedCertificateTimestampStore::GetInstance()->Retrieve(it->id,
     35                                                                       &sct);
     36     sct_list->push_back(
     37         net::SignedCertificateTimestampAndStatus(sct, it->status));
     38   }
     39 }
     40 
     41 }  // namespace
     42 
     43 namespace chrome {
     44 
     45 void ShowSignedCertificateTimestampsViewer(
     46     content::WebContents* web_contents,
     47     const content::SignedCertificateTimestampIDStatusList& sct_ids_list) {
     48   net::SignedCertificateTimestampAndStatusList sct_list;
     49   SignedCertificateTimestampIDsToList(sct_ids_list, &sct_list);
     50   new SignedCertificateTimestampsViews(web_contents, sct_list);
     51 }
     52 
     53 }  // namespace chrome
     54 
     55 class SCTListModel : public ui::ComboboxModel {
     56  public:
     57   explicit SCTListModel(
     58       const net::SignedCertificateTimestampAndStatusList& sct_list);
     59   virtual ~SCTListModel();
     60 
     61   // Overridden from ui::ComboboxModel:
     62   virtual int GetItemCount() const OVERRIDE;
     63   virtual base::string16 GetItemAt(int index) OVERRIDE;
     64 
     65  private:
     66   net::SignedCertificateTimestampAndStatusList sct_list_;
     67 
     68   DISALLOW_COPY_AND_ASSIGN(SCTListModel);
     69 };
     70 
     71 SCTListModel::SCTListModel(
     72     const net::SignedCertificateTimestampAndStatusList& sct_list)
     73     : sct_list_(sct_list) {}
     74 
     75 SCTListModel::~SCTListModel() {}
     76 
     77 int SCTListModel::GetItemCount() const { return sct_list_.size(); }
     78 
     79 base::string16 SCTListModel::GetItemAt(int index) {
     80   DCHECK_LT(static_cast<size_t>(index), sct_list_.size());
     81   std::string origin = l10n_util::GetStringUTF8(
     82       chrome::ct::SCTOriginToResourceID(*(sct_list_[index].sct)));
     83 
     84   std::string status = l10n_util::GetStringUTF8(
     85       chrome::ct::StatusToResourceID(sct_list_[index].status));
     86 
     87   // This formatting string may be internationalized for RTL, etc.
     88   return l10n_util::GetStringFUTF16(IDS_SCT_CHOOSER_FORMAT,
     89                                     base::IntToString16(index + 1),
     90                                     base::UTF8ToUTF16(origin),
     91                                     base::UTF8ToUTF16(status));
     92 }
     93 
     94 SignedCertificateTimestampsViews::SignedCertificateTimestampsViews(
     95     content::WebContents* web_contents,
     96     const net::SignedCertificateTimestampAndStatusList& sct_list)
     97     : sct_info_view_(NULL),
     98       sct_list_(sct_list) {
     99   ShowWebModalDialogViews(this, web_contents);
    100 }
    101 
    102 SignedCertificateTimestampsViews::~SignedCertificateTimestampsViews() {}
    103 
    104 base::string16 SignedCertificateTimestampsViews::GetWindowTitle() const {
    105   return l10n_util::GetStringUTF16(IDS_SCT_VIEWER_TITLE);
    106 }
    107 
    108 int SignedCertificateTimestampsViews::GetDialogButtons() const {
    109   return ui::DIALOG_BUTTON_CANCEL;
    110 }
    111 
    112 ui::ModalType SignedCertificateTimestampsViews::GetModalType() const {
    113   return ui::MODAL_TYPE_CHILD;
    114 }
    115 
    116 void SignedCertificateTimestampsViews::OnPerformAction(
    117     views::Combobox* combobox) {
    118   DCHECK_EQ(combobox, sct_selector_box_.get());
    119   DCHECK_LT(combobox->selected_index(), sct_list_model_->GetItemCount());
    120   ShowSCTInfo(combobox->selected_index());
    121 }
    122 
    123 void SignedCertificateTimestampsViews::ViewHierarchyChanged(
    124     const ViewHierarchyChangedDetails& details) {
    125   if (details.is_add && details.child == this)
    126     Init();
    127 }
    128 
    129 void SignedCertificateTimestampsViews::Init() {
    130   views::GridLayout* layout = views::GridLayout::CreatePanel(this);
    131   SetLayoutManager(layout);
    132 
    133   const int kSelectorBoxLayoutId = 0;
    134   views::ColumnSet* column_set = layout->AddColumnSet(kSelectorBoxLayoutId);
    135   column_set->AddColumn(views::GridLayout::FILL, views::GridLayout::FILL, 1,
    136                         views::GridLayout::USE_PREF, 0, 0);
    137 
    138   layout->StartRow(0, kSelectorBoxLayoutId);
    139   layout->AddPaddingRow(0, views::kRelatedControlVerticalSpacing);
    140 
    141   // Add SCT selector drop-down list.
    142   layout->StartRow(0, kSelectorBoxLayoutId);
    143   sct_list_model_.reset(new SCTListModel(sct_list_));
    144   sct_selector_box_.reset(new views::Combobox(sct_list_model_.get()));
    145   sct_selector_box_->set_listener(this);
    146   sct_selector_box_->set_owned_by_client();
    147   layout->AddView(sct_selector_box_.get());
    148   layout->AddPaddingRow(0, views::kRelatedControlVerticalSpacing);
    149 
    150   // Add the SCT info view, displaying information about a specific SCT.
    151   layout->StartRow(0, kSelectorBoxLayoutId);
    152   sct_info_view_ = new SignedCertificateTimestampInfoView();
    153   layout->AddView(sct_info_view_);
    154 
    155   sct_info_view_->SetSignedCertificateTimestamp(*(sct_list_[0].sct),
    156                                                 sct_list_[0].status);
    157 }
    158 
    159 void SignedCertificateTimestampsViews::ShowSCTInfo(int sct_index) {
    160   if ((sct_index < 0) || (static_cast<size_t>(sct_index) > sct_list_.size()))
    161     return;
    162 
    163   sct_info_view_->SetSignedCertificateTimestamp(*(sct_list_[sct_index].sct),
    164                                                 sct_list_[sct_index].status);
    165 }
    166 
    167 void SignedCertificateTimestampsViews::Observe(
    168     int type,
    169     const content::NotificationSource& source,
    170     const content::NotificationDetails& details) {
    171   GetWidget()->Close();
    172 }
    173