SmartPanel.xaml.cpp

/***************************************************************************
 * Copyright (C) 2016 by Savoir-faire Linux                                *
 * Author: Jäger Nicolas <nicolas.jager@savoirfairelinux.com>              *
 * Author: Traczyk Andreas <andreas.traczyk@savoirfairelinux.com>          *
 *                                                                         *
 * This program is free software; you can redistribute it and/or modify    *
 * it under the terms of the GNU General Public License as published by    *
 * the Free Software Foundation; either version 3 of the License, or       *
 * (at your option) any later version.                                     *
 *                                                                         *
 * This program is distributed in the hope that it will be useful,         *
 * but WITHOUT ANY WARRANTY; without even the implied warranty of          *
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           *
 * GNU General Public License for more details.                            *
 *                                                                         *
 * You should have received a copy of the GNU General Public License       *
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.   *
 **************************************************************************/

#include "pch.h"
#include "SmartPanel.xaml.h"
#include "ResourceManager.h"
#include "Wizard.xaml.h"
#include "WelcomePage.xaml.h"

#include <MemoryBuffer.h>   // IMemoryBufferByteAccess
#include "callmanager_interface.h"
#include "configurationmanager_interface.h"
#include "presencemanager_interface.h"

#include <string>
#include <direct.h>
#include <regex>

#include "lodepng.h"

using namespace Platform;

using namespace RingClientUWP;
using namespace RingClientUWP::Controls;
using namespace RingClientUWP::Views;
using namespace RingClientUWP::ViewModel;
using namespace Windows::Media::Capture;
using namespace Windows::Media::MediaProperties;
using namespace Windows::UI::Xaml;
using namespace Windows::Storage;
using namespace Windows::UI::Xaml::Media::Imaging;
using namespace Windows::UI::Xaml::Media::Animation;
using namespace Windows::UI::Xaml::Shapes;
using namespace Windows::UI::Xaml::Media;
using namespace Concurrency;
using namespace Windows::Foundation;
using namespace Windows::Graphics::Imaging;
using namespace Windows::Foundation;
using namespace Concurrency;
using namespace Platform::Collections;
using namespace Windows::UI::Popups;
using namespace Windows::ApplicationModel::Core;
using namespace Windows::ApplicationModel::DataTransfer;
using namespace Windows::Storage;
using namespace Windows::UI::Core;
using namespace Windows::System::Threading;

using namespace Windows::UI::Xaml::Interop;

SmartPanel::SmartPanel()
{
    InitializeComponent();

    /* populate account list */
    _accountsList_->ItemsSource = AccountListItemsViewModel::instance->itemsList;

    /* populate account's device list */
    // As the user must have the account in question selected before interacting with
    // it's device list, no filtered list is required.
    _devicesIdList_->ItemsSource = RingDeviceItemsViewModel::instance->itemsList;

    /* populate the contact list */
    _smartList_->ItemsSource = SmartPanelItemsViewModel::instance->itemsListFiltered;

    /* populate banned contact list */
    _bannedContactList_->ItemsSource = SmartPanelItemsViewModel::instance->itemsListBannedFiltered;

    /* populate contact request list */
    _incomingContactRequestList_->ItemsSource = ContactRequestItemsViewModel::instance->itemsListFiltered;

    /* connect delegates */
    Configuration::UserPreferences::instance->selectIndex += ref new SelectIndex([&](int index) {
        if (_accountsList_) {
            auto accountsListSize = dynamic_cast<Vector<AccountListItem^>^>(_accountsList_->ItemsSource)->Size;
            if (accountsListSize > index) {
                _accountsList_->SelectedIndex = index;
            }
            else if (accountsListSize) {
                _accountsList_->SelectedIndex = 0;
            }
            updateNotificationsState();
        }
    });

    Configuration::UserPreferences::instance->loadProfileImage += ref new LoadProfileImage([this]() {
        MSG_("LOADING PROFILE IMAGE");
        StorageFolder^ localfolder = ApplicationData::Current->LocalFolder;
        String^ image_path = localfolder->Path + "\\.profile\\profile_image.png";
        auto uri = ref new Windows::Foundation::Uri(image_path);
        _selectedAccountAvatar_->ImageSource = ref new BitmapImage(uri);
        Configuration::UserPreferences::instance->profileImageLoaded = true;
    });
    AccountsViewModel::instance->updateScrollView += ref new UpdateScrollView([this]() {
        _accountsListScrollView_->UpdateLayout();
        _accountsListScrollView_->ScrollToVerticalOffset(_accountsListScrollView_->ScrollableHeight);
    });

    RingD::instance->networkChanged += ref new NetworkChanged([&]() {
        CoreApplication::MainView->CoreWindow->Dispatcher->RunAsync(
            CoreDispatcherPriority::High, ref new DispatchedHandler([=]()
        {
            _networkConnectivityNotificationRow_->Height = RingD::instance->_hasInternet ? GridLength(0.) : GridLength(32.);
        }));
    });

    RingD::instance->incomingCall += ref new RingClientUWP::IncomingCall([&](
        String^ accountId, String^ callId, String^ from)
    {
        auto contactListModel = AccountsViewModel::instance->getContactListModel(Utils::toString(accountId));
        auto contact = contactListModel->findContactByRingId(from);

        if (contact == nullptr) {
            contact = contactListModel->addNewContact(from, from, TrustStatus::UNKNOWN, true);
        }

        if (contact == nullptr) {
            return;
        }

        contact->_isIncognitoContact = true;

        RingD::instance->lookUpAddress(Utils::toString(accountId), from);

        // buffer a toast
        RingD::instance->unpoppedToasts.insert(std::make_pair(contact->ringID_,
            [callId](String^ username) {
            RingD::instance->ShowCallToast(RingD::instance->isInBackground, callId, username);
        }));

        if (auto item = SmartPanelItemsViewModel::instance->findItem(contact)) {
            item->_callId = callId;
            SmartPanelItemsViewModel::instance->moveItemToTheTop(item);
            _smartList_->UpdateLayout();
            _smartList_->ScrollIntoView(item);
        }
    });
    AccountsViewModel::instance->newUnreadMessage += ref new NewUnreadMessage(this, &SmartPanel::updateContactNotificationsState);
    AccountsViewModel::instance->contactDataModified += ref new ContactDataModified(this, &SmartPanel::OncontactDataModified);
    AccountsViewModel::instance->newUnreadContactRequest += ref new NewUnreadContactRequest(this, &SmartPanel::updateNotificationsState);
    RingD::instance->stateChange += ref new StateChange(this, &SmartPanel::OnstateChange);
    RingD::instance->devicesListRefreshed += ref new RingClientUWP::DevicesListRefreshed(this, &RingClientUWP::Views::SmartPanel::OndevicesListRefreshed);
    AccountsViewModel::instance->contactAdded += ref new ContactAdded([&](String^ accountId, Contact^ contact) {
        auto smartPanelItem = ref new SmartPanelItem();
        smartPanelItem->_contact = contact;
        SmartPanelItemsViewModel::instance->itemsList->InsertAt(0, smartPanelItem);
        if (contact->_accountIdAssociated == AccountListItemsViewModel::instance->getSelectedAccountId()) {
            SmartPanelItemsViewModel::instance->itemsListFiltered->InsertAt(0, smartPanelItem);
        }
    });

    RingD::instance->vCardUpdated += ref new VCardUpdated([&](Contact^ contact)
    {
        Utils::runOnUIThread([this, contact]() {
            SmartPanelItemsViewModel::instance->update({ "_bestName2", "_avatarImage", "_contact" });
        });
    });

    RingD::instance->registrationStateRegistered += ref new RingClientUWP::RegistrationStateRegistered(this, &SmartPanel::OnregistrationStateChanged);
    RingD::instance->registrationStateUnregistered += ref new RingClientUWP::RegistrationStateUnregistered(this, &SmartPanel::OnregistrationStateChanged);
    RingD::instance->registrationStateTrying += ref new RingClientUWP::RegistrationStateTrying(this, &SmartPanel::OnregistrationStateChanged);

    RingD::instance->exportOnRingEnded += ref new RingClientUWP::ExportOnRingEnded(this, &RingClientUWP::Views::SmartPanel::OnexportOnRingEnded);
    RingD::instance->accountUpdated += ref new RingClientUWP::AccountUpdated(this, &RingClientUWP::Views::SmartPanel::OnaccountUpdated);
    RingD::instance->registeredNameFound += ref new RingClientUWP::RegisteredNameFound(this, &RingClientUWP::Views::SmartPanel::OnregisteredNameFound);

    RingD::instance->finishCaptureDeviceEnumeration += ref new RingClientUWP::FinishCaptureDeviceEnumeration([this]() {
        populateVideoDeviceSettingsComboBox();
    });
    RingD::instance->registrationStateErrorGeneric += ref new RingClientUWP::RegistrationStateErrorGeneric(this, &RingClientUWP::Views::SmartPanel::OnregistrationStateErrorGeneric);
    RingD::instance->registrationStateRegistered += ref new RingClientUWP::RegistrationStateRegistered(this, &RingClientUWP::Views::SmartPanel::OnregistrationStateRegistered);
    RingD::instance->callPlaced += ref new RingClientUWP::CallPlaced(this, &RingClientUWP::Views::SmartPanel::OncallPlaced);
    RingD::instance->incomingAccountMessage += ref new RingClientUWP::IncomingAccountMessage(this, &RingClientUWP::Views::SmartPanel::OnincomingAccountMessage);

    RingD::instance->newBuddyNotification += ref new RingClientUWP::NewBuddyNotification(this, &RingClientUWP::Views::SmartPanel::OnnewBuddyNotification);

    RingD::instance->nameRegistered += ref new RingClientUWP::NameRegistered(this, &SmartPanel::OnnameRegistred);

    _networkConnectivityNotificationRow_->Height = Utils::hasInternet() ? 0 : 32;

    selectMenu(MenuOpen::CONTACTS_LIST);
}

void
SmartPanel::OnnameRegistred(bool status, String ^accountId)
{
    updatePageContent();
}

void
SmartPanel::OnregistrationStateChanged(const std::string& accountId)
{
    AccountListItemsViewModel::instance->update(ViewModel::NotifyStrings::notifyAccountItem);
}

void
SmartPanel::OnstateChange(Platform::String ^callId, RingClientUWP::CallStatus state, int code)
{
    auto item = SmartPanelItemsViewModel::instance->findItem(callId);

    if (!item) {
        WNG_("item not found");
        return;
    }

    switch (state) {
    case CallStatus::INCOMING_RINGING:
    {
        updateCallAnimationState(item, true);
        break;
    }
    case CallStatus::NONE:
    case CallStatus::ENDED:
    {
        updateCallAnimationState(item, false);
        auto callsList = DRing::getCallList();
        if (callsList.empty())
            _settingsMenuButton_->Visibility = VIS::Visible;

        break;
    }
    case CallStatus::IN_PROGRESS:
    {
        updateCallAnimationState(item, false);
        SmartPanelItemsViewModel::instance->_selectedItem = item;
        _smartList_->SelectedIndex = SmartPanelItemsViewModel::instance->getFilteredIndex(item->_contact);
        _settingsMenuButton_->Visibility = VIS::Collapsed;
        summonVideoPage();
        break;
    }
    case CallStatus::PEER_PAUSED:
    case CallStatus::PAUSED:
    {
        SmartPanelItemsViewModel::instance->_selectedItem = item;
        summonVideoPage();
        break;
    }
    default:
        break;
    }
}

void
SmartPanel::updateCallAnimationState(SmartPanelItem^ item, bool state)
{
    auto items = _smartList_->Items;
    for (int i = 0; i < items->Size; ++i) {
        if (auto message = dynamic_cast<SmartPanelItem^>(items->GetAt(i))) {
            if (message == item) {
                auto depObj = _smartList_->ItemContainerGenerator->ContainerFromItem(items->GetAt(i));
                auto gridElement = Utils::xaml::FindVisualChildByName(depObj, "_contactAvatarGrid_");
                auto grid = dynamic_cast<Grid^>(gridElement);
                auto ellipse = dynamic_cast<Ellipse^>(grid->Children->GetAt(1));
                auto eventTrigger = dynamic_cast<EventTrigger^>(ellipse->Triggers->GetAt(0));
                auto beginStoryboard = dynamic_cast<BeginStoryboard^>(eventTrigger->Actions->GetAt(0));
                if (beginStoryboard) {
                    if (state)
                        beginStoryboard->Storyboard->Begin();
                    else
                        beginStoryboard->Storyboard->Stop();
                }
            }
        }
    }
}

void
RingClientUWP::Views::SmartPanel::updatePageContent()
{
    auto accountListItem = AccountListItemsViewModel::instance->_selectedItem;
    if (!accountListItem)
        return;

    _selectedAccountName_->Text = accountListItem->_account->_bestName;
    _selectedAccountUsername_->Text = accountListItem->_account->_bestName2;
    _deviceId_->Text = accountListItem->_account->_deviceId;
    _deviceName_->Text = accountListItem->_account->_deviceName;

    _devicesMenuButton_->Visibility = (accountListItem->_account->accountType_ == "RING")
                                      ? Windows::UI::Xaml::Visibility::Visible
                                      : Windows::UI::Xaml::Visibility::Collapsed;

    _enabledState_->IsOn = accountListItem->_account->_active;
    _upnpState_->IsOn = accountListItem->_account->_upnpState;
    _autoAnswerToggle_->IsOn = accountListItem->_account->_autoAnswer;
    _dhtPublicInCallsToggle_->IsOn = accountListItem->_account->_dhtPublicInCalls;
    _turnEnabledToggle_->IsOn = accountListItem->_account->_turnEnabled;
    _turnEditionTextBox_->Text = accountListItem->_account->_turnAddress;

    if (_RegisterStateEdition_->IsOn) {
        _usernameTextBoxEdition_->IsEnabled = true;
        _usernameInvalidEdition_->Visibility = Windows::UI::Xaml::Visibility::Visible;

    } else {
        _usernameTextBoxEdition_->IsEnabled = false;
        _usernameInvalidEdition_->Visibility = Windows::UI::Xaml::Visibility::Collapsed;
    }

    ContactRequestItemsViewModel::instance->refreshFilteredItemsList();
    ContactRequestItemsViewModel::instance->update(ViewModel::NotifyStrings::notifyContactRequestItem);

    SmartPanelItemsViewModel::instance->refreshFilteredItemsList();
    SmartPanelItemsViewModel::instance->update(ViewModel::NotifyStrings::notifySmartPanelItem);
}

void RingClientUWP::Views::SmartPanel::setMode(RingClientUWP::Views::SmartPanel::Mode mode)
{
    _contactsTitleRow_->Height = (mode == RingClientUWP::Views::SmartPanel::Mode::Normal) ? 54 : 0;
    _rowRingTxtBx_->Height = (mode == RingClientUWP::Views::SmartPanel::Mode::Normal)? 48 : 0;
    selectMenu(MenuOpen::CONTACTS_LIST);
}

void RingClientUWP::Views::SmartPanel::_addAccountBtn__Click(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e)
{
    _accountsMenuGrid_->Visibility = Windows::UI::Xaml::Visibility::Collapsed;
    _accountCreationMenuGrid_->Visibility = Windows::UI::Xaml::Visibility::Visible;

    _accountCreationMenuGrid_->UpdateLayout();
    _accountCreationMenuScrollViewer_->ScrollToVerticalOffset(0);

    _createAccountYes_->IsEnabled = false;

    _accountTypeComboBox_->SelectedIndex = 0;
    _RegisterStateEdition_->IsOn = true;
    _accountAliasTextBox_->Text = "";
    _usernameTextBox_->Text = "";

    checkStateAddAccountMenu();
}

void RingClientUWP::Views::SmartPanel::_createAccountYes__Click(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e)
{
    switch (_accountTypeComboBox_->SelectedIndex) {
    case 0: /* RING account */
    {
        RingD::instance->createRINGAccount(_accountAliasTextBox_->Text
                                           , _ringPasswordBoxAccountCreation_->Password
                                           , true
                                           , (_RegisterState_->IsOn) ? _usernameTextBox_->Text : "");

        _ringPasswordBoxAccountCreation_->Password = "";
        _ringPasswordBoxAccountCreationCheck_->Password = "";
        _usernameTextBox_->Text = "";
        break;
    }
    break;
    case 1: /* SIP account */
    {
        RingD::instance->createSIPAccount(_accountAliasTextBox_->Text, _sipPasswordBoxAccountCreation_->Password, _sipHostnameTextBox_->Text, _sipUsernameTextBox_->Text);
        _sipPasswordBoxAccountCreation_->Password = "";
        _sipUsernameTextBox_->Text = "";
        _sipHostnameTextBox_->Text = "";
        break;
    }
    default:
        break;
    }

    _accountCreationMenuGrid_->Visibility = Windows::UI::Xaml::Visibility::Collapsed;
    _accountsMenuGrid_->Visibility = Windows::UI::Xaml::Visibility::Collapsed;

    selectMenu(MenuOpen::ACCOUNTS_LIST);
}

void RingClientUWP::Views::SmartPanel::_createAccountNo__Click(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e)
{
    selectMenu(MenuOpen::ACCOUNTS_LIST);
}

void
SmartPanel::_smartList__SelectionChanged(Platform::Object^ sender, Windows::UI::Xaml::Controls::SelectionChangedEventArgs^ e)
{
    auto listbox = safe_cast<ListBox^>(sender);
    auto item = safe_cast<SmartPanelItem^>(listbox->SelectedItem);

    if (!item)
        return;

    auto contact = item->_contact;

    if (contact == nullptr)
    {
        ERR_("SmartPanelItem without contact");
        return;
    }

    if (contact->_contactStatus == ContactStatus::WAITING_FOR_ACTIVATION) {
        return;
    }

    /* we set the current selected item */
    if (SmartPanelItemsViewModel::instance->_selectedItem != item) {
        SmartPanelItemsViewModel::instance->_selectedItem = item;

        /* at this point we check if a call is in progress with the current selected contact*/
        auto selectedAccountId = AccountListItemsViewModel::instance->getSelectedAccountId();
        auto contactListModel = AccountsViewModel::instance->getContactListModel(Utils::toString(selectedAccountId));
        // TODO: don't clear messages if the user does not see the message panel from the VideoPage
        if (contact) {
            contact->_unreadMessages = 0;
            updateNotificationsState();
            contactListModel->saveContactsToFile();
        }

        /* summon the video when in a call */
        if (item->_callStatus == CallStatus::IN_PROGRESS
            || item->_callStatus == CallStatus::PAUSED
            || item->_callStatus == CallStatus::PEER_PAUSED) {
            summonVideoPage();
            return;
        }

        /* else, summon the message text page*/
        summonMessageTextPage();
    }
}

void
SmartPanel::_accountList__SelectionChanged(Platform::Object^ sender, Windows::UI::Xaml::Controls::SelectionChangedEventArgs^ e)
{
    auto listbox = safe_cast<ListBox^>(sender);
    // disable deselection from listbox
    undoListBoxDeselection(listbox, e);
    auto accountListItem = safe_cast<AccountListItem^>(listbox->SelectedItem);
    if (accountListItem == nullptr) {
        listbox->SelectedIndex = 0;
        accountListItem = safe_cast<AccountListItem^>(listbox->SelectedItem);
    }
    _selectedAccountName_->Text = accountListItem->_account->_bestName;
    _selectedAccountUsername_->Text = accountListItem->_account->_bestName2;
    AccountListItemsViewModel::instance->_selectedItem = accountListItem;
    accountListItem->_isSelected = true;

    SmartPanelItemsViewModel::instance->update({ "_avatarImage" });
    ContactRequestItemsViewModel::instance->update({ "_avatarImage" });

    updatePageContent();
    updateNotificationsState();

    Configuration::UserPreferences::instance->PREF_ACCOUNT_INDEX = _accountsList_->SelectedIndex;
    Configuration::UserPreferences::instance->PREF_ACCOUNT_ID = accountListItem->_account->accountID_;
    Configuration::UserPreferences::instance->save();
}

void
SmartPanel::undoListBoxDeselection(ListBox^ listBox, Windows::UI::Xaml::Controls::SelectionChangedEventArgs^ e)
{
    // disable deselection from listbox
    if (listBox->SelectedItem == nullptr) {
        if (e->RemovedItems->Size > 0) {
            Object^ itemToReselect = e->RemovedItems->GetAt(0);
            for each (auto item in listBox->Items) {
                if (item == itemToReselect) {
                    listBox->SelectedItem = itemToReselect;
                    continue;
                }
            }
        }
    }
}

void
SmartPanel::_rejectIncomingCallBtn__Click(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e)
{
    auto button = dynamic_cast<Button^>(e->OriginalSource);
    if (button) {
        auto item = dynamic_cast<SmartPanelItem^>(button->DataContext);
        if (item) {
            auto callId = item->_callId;
            RingD::instance->refuseIncommingCall(callId);
        }
    }
}

void
SmartPanel::_acceptIncomingCallBtn__Click(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e)
{
    auto button = dynamic_cast<Button^>(e->OriginalSource);
    if (button) {
        auto item = dynamic_cast<SmartPanelItem^>(button->DataContext);
        if (item) {
            auto callId = item->_callId;

            for (auto it : SmartPanelItemsViewModel::instance->itemsList)
                if (it->_callStatus != CallStatus::IN_PROGRESS)
                    RingD::instance->pauseCall(Utils::toString(it->_callId));

            _settingsMenuButton_->Visibility = VIS::Collapsed;

            RingD::instance->acceptIncommingCall(callId);
        }
    }
}

void
SmartPanel::_callBtn__Click(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e)
{
    auto button = dynamic_cast<Button^>(e->OriginalSource);
    if (button) {
        /* force to hide the button, avoid attempting to call several times... */
        button->Visibility = Windows::UI::Xaml::Visibility::Collapsed;

        auto item = dynamic_cast<SmartPanelItem^>(button->DataContext);
        if (item)
            placeCall(item);
    }
}

void
SmartPanel::placeCall(SmartPanelItem^ item)
{
    auto contact = item->_contact;
    if (contact) {
        // select item
        //SmartPanelItemsViewModel::instance->_selectedItem = item;
        unsigned index = SmartPanelItemsViewModel::instance->getFilteredIndex(item->_contact);
        //_smartList_->SelectedIndex = index;

        for (auto it : SmartPanelItemsViewModel::instance->itemsList)
            if (it->_callStatus == CallStatus::IN_PROGRESS)
                RingD::instance->pauseCall(Utils::toString(it->_callId));

        if (item->_callStatus == CallStatus::ENDED || item->_callStatus == CallStatus::NONE) {
            _settingsMenuButton_->Visibility = VIS::Collapsed;
            item->_callStatus = CallStatus::OUTGOING_REQUESTED;
            RingD::instance->placeCall(contact);
            auto loader = ref new Windows::ApplicationModel::Resources::ResourceLoader();
            auto lookingForString = loader->GetString("_callsLookingFor_");
            item->_contact->_lastTime = lookingForString + item->_contact->_name + ".";
        }

        /* move the item of the top of the list */
        if (_smartList_->Items->IndexOf(item, &index)) {
            SmartPanelItemsViewModel::instance->moveItemToTheTop(item);
            _smartList_->UpdateLayout();
            _smartList_->ScrollIntoView(item);
        }
    }
}

void RingClientUWP::Views::SmartPanel::_cancelCallBtn__Click(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e)
{
    auto button = dynamic_cast<Button^>(e->OriginalSource);
    if (button) {
        auto item = dynamic_cast<SmartPanelItem^>(button->DataContext);
        if (item) {
            RingD::instance->cancelOutGoingCall2(item->_callId);
            item->_callStatus = CallStatus::TERMINATING;
            return;
        }
    }
}

void
SmartPanel::SmartPanelItem_Grid_PointerEntered(Platform::Object^ sender, Windows::UI::Xaml::Input::PointerRoutedEventArgs^ e)
{
    auto grid = dynamic_cast<Grid^>(sender);
    auto item = dynamic_cast<SmartPanelItem^>(grid->DataContext);

    for (auto it : SmartPanelItemsViewModel::instance->itemsList) {
        it->_isHovered = false;
    }

    item->_isHovered = true;
}

void
SmartPanel::SmartPanelItem_Grid_PointerExited(Platform::Object^ sender, Windows::UI::Xaml::Input::PointerRoutedEventArgs^ e)
{
    auto grid = dynamic_cast<Grid^>(sender);
    auto item = dynamic_cast<SmartPanelItem^>(grid->DataContext);

    // to avoid visual bug, do it on the whole list
    for each (auto it in SmartPanelItemsViewModel::instance->itemsList) {
        it->_isHovered = false;
    }
}

void
SmartPanel::SmartPanelItem_Grid_PointerMoved(Platform::Object^ sender, Windows::UI::Xaml::Input::PointerRoutedEventArgs^ e)
{
    auto grid = dynamic_cast<Grid^>(sender);
    auto item = dynamic_cast<SmartPanelItem^>(grid->DataContext);

    for (auto it : SmartPanelItemsViewModel::instance->itemsList)
        it->_isHovered = false;

    item->_isHovered = true;
}

void RingClientUWP::Views::SmartPanel::checkStateAddAccountMenu()
{
    bool isRingAccountType = (_accountTypeComboBox_->SelectedIndex == 0) ? true : false;

    bool isAccountAlias = (_accountAliasTextBox_->Text->IsEmpty()) ? false : true;

    if (isAccountAlias) {
        _accountAliasValid_->Visibility = Windows::UI::Xaml::Visibility::Visible;
        _accountAliasInvalid_->Visibility = Windows::UI::Xaml::Visibility::Collapsed;
    } else {
        _accountAliasValid_->Visibility = Windows::UI::Xaml::Visibility::Collapsed;
        _accountAliasInvalid_->Visibility = Windows::UI::Xaml::Visibility::Visible;
    }

    if (isRingAccountType) {
        bool isPublic = _RegisterState_->IsOn;

        bool isUsernameValid = (_usernameValid_->Visibility == Windows::UI::Xaml::Visibility::Visible
                                && !_usernameTextBox_->Text->IsEmpty()) ? true : false;

        bool isPasswordValid = (_ringPasswordBoxAccountCreation_->Password->IsEmpty()) ? false : true;

        bool isRingPasswordCheck = (_ringPasswordBoxAccountCreation_->Password
                                    == _ringPasswordBoxAccountCreationCheck_->Password
                                    && isPasswordValid)
                                   ? true : false;

        if (isPasswordValid) {
            _passwordValid_->Visibility = Windows::UI::Xaml::Visibility::Visible;
            _passwordInvalid_->Visibility = Windows::UI::Xaml::Visibility::Collapsed;
        }
        else {
            _passwordValid_->Visibility = Windows::UI::Xaml::Visibility::Collapsed;
            _passwordInvalid_->Visibility = Windows::UI::Xaml::Visibility::Visible;
        }

        if (isRingPasswordCheck) {
            _passwordCheckValid_->Visibility = Windows::UI::Xaml::Visibility::Visible;
            _passwordCheckInvalid_->Visibility = Windows::UI::Xaml::Visibility::Collapsed;
        }
        else {
            _passwordCheckValid_->Visibility = Windows::UI::Xaml::Visibility::Collapsed;
            _passwordCheckInvalid_->Visibility = Windows::UI::Xaml::Visibility::Visible;
        }

        if (isUsernameValid) {
            _usernameValid_->Visibility = Windows::UI::Xaml::Visibility::Visible;
            _usernameInvalid_->Visibility = Windows::UI::Xaml::Visibility::Collapsed;
        } else {
            _usernameValid_->Visibility = Windows::UI::Xaml::Visibility::Collapsed;
            _usernameInvalid_->Visibility = Windows::UI::Xaml::Visibility::Visible;
        }

        if (isPublic)
            if (isUsernameValid && isAccountAlias && isRingPasswordCheck && isPasswordValid)
                _createAccountYes_->IsEnabled = true;
            else
                _createAccountYes_->IsEnabled = false;
        else if (isAccountAlias && isRingPasswordCheck && isPasswordValid)
            _createAccountYes_->IsEnabled = true;
        else
            _createAccountYes_->IsEnabled = false;

    } else {
        if (isAccountAlias)
            _createAccountYes_->IsEnabled = true;
        else
            _createAccountYes_->IsEnabled = false;
    }

}

void RingClientUWP::Views::SmartPanel::checkStateEditionMenu()
{
    if (AccountListItemsViewModel::instance->_selectedItem == nullptr)
        return;
    bool isRingAccountType = (AccountListItemsViewModel::instance->_selectedItem->_account->accountType_ == "RING")
                             ? true : false;

    bool isAccountAlias = (_accountAliasTextBoxEdition_->Text->IsEmpty()) ? false : true;

    bool isAlreadyRegistered = (_RegisterStateEdition_->IsEnabled) ? false : true;

    if (isAccountAlias) {
        _accountAliasValidEdition_->Visibility = Windows::UI::Xaml::Visibility::Visible;
        _accountAliasInvalidEdition_->Visibility = Windows::UI::Xaml::Visibility::Collapsed;
    }
    else {
        _accountAliasValidEdition_->Visibility = Windows::UI::Xaml::Visibility::Collapsed;
        _accountAliasInvalidEdition_->Visibility = Windows::UI::Xaml::Visibility::Visible;
    }

    if (isRingAccountType) {
        bool isPublic = _RegisterStateEdition_->IsOn;

        bool isUsernameValid = (_usernameValidEdition_->Visibility == Windows::UI::Xaml::Visibility::Visible)
                               ? true : false;

        bool isPasswordValid = (_ringPasswordBoxAccountCreation_->Password->IsEmpty()) ? false : true;

        bool isRingPasswordCheck = (_ringPasswordBoxAccountCreation_->Password
                                    == _ringPasswordBoxAccountCreationCheck_->Password
                                    && isPasswordValid)
                                   ? true : false;
        if (isPublic)
            if (isUsernameValid && isAccountAlias || isAlreadyRegistered) {
                _acceptAccountModification_->IsEnabled = true;
            } else {
                _acceptAccountModification_->IsEnabled = false;
            }
        else if (isAccountAlias)
            _acceptAccountModification_->IsEnabled = true;
        else
            _acceptAccountModification_->IsEnabled = false;
    }
    else {
        if (isAccountAlias)
            _acceptAccountModification_->IsEnabled = true;
        else
            _acceptAccountModification_->IsEnabled = false;
    }
}

void RingClientUWP::Views::SmartPanel::ringTxtBxPlaceHolderDelay(String^ placeHolderText, int delayInMilliSeconds)
{
    _ringTxtBx_->PlaceholderText = placeHolderText;
    TimeSpan delay;
    delay.Duration = 10000 * delayInMilliSeconds;
    ThreadPoolTimer^ delayTimer = ThreadPoolTimer::CreateTimer(
                                      ref new TimerElapsedHandler([this](ThreadPoolTimer^ source)
    {
        Dispatcher->RunAsync(CoreDispatcherPriority::High,
                             ref new DispatchedHandler([this]()
        {
            auto placeHolderText = ResourceMananger::instance->getStringResource("_ringTxtBxPlaceholderText_");
            _ringTxtBx_->PlaceholderText = placeHolderText;
        }));
    }), delay);
}

void RingClientUWP::Views::SmartPanel::showLinkThisDeviceStep1()
{
    _step1Menu_->Visibility = Windows::UI::Xaml::Visibility::Visible;
    _step2Menu_->Visibility = Windows::UI::Xaml::Visibility::Collapsed;

    _nextstep_->Visibility = Windows::UI::Xaml::Visibility::Visible;
    _addAccountYes_->Visibility = Windows::UI::Xaml::Visibility::Collapsed;
    _addAccountNo_->Visibility = Windows::UI::Xaml::Visibility::Collapsed;
}



void RingClientUWP::Views::SmartPanel::_addDevice__Click(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e)
{
    _devicesMenuGrid_->Visibility = Windows::UI::Xaml::Visibility::Collapsed;
    _addingDeviceGrid_->Visibility = Windows::UI::Xaml::Visibility::Visible;
    _closePin_->Visibility = Windows::UI::Xaml::Visibility::Visible;
}


void RingClientUWP::Views::SmartPanel::OndevicesListRefreshed(Map<String^, String^>^ deviceMap)
{
    if (!AccountListItemsViewModel::instance->_selectedItem)
        return;

    _waitingDevicesList_->Visibility = Windows::UI::Xaml::Visibility::Collapsed;

    RingDeviceItemsViewModel::instance->itemsList->Clear();

    for each (auto device in deviceMap) {
        if (AccountListItemsViewModel::instance->_selectedItem->_account->_deviceId == device->Key) {
            AccountListItemsViewModel::instance->_selectedItem->_account->_deviceName == device->Value;
            _deviceName_->Text = device->Value;
        }
        else {
            RingDeviceItemsViewModel::instance->itemsList->Append(ref new RingDeviceItem(device->Key, device->Value));
        }
    }

    if (deviceMap->Size < 2) {
        _noDevicesList_->Visibility = VIS::Visible;
        _devicesIdList_->Visibility = VIS::Collapsed;
    }
    else {
        _noDevicesList_->Visibility = VIS::Collapsed;
        _devicesIdList_->Visibility = VIS::Visible;
    }
}


void RingClientUWP::Views::SmartPanel::_pinGeneratorYes__Click(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e)
{
    requestPin();
}


void RingClientUWP::Views::SmartPanel::_pinGeneratorNo__Click(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e)
{
    _addingDeviceGrid_->Visibility = Windows::UI::Xaml::Visibility::Collapsed;
    _devicesMenuButton_->IsChecked = false;
    _passwordForPinGenerator_->Password = "";

    selectMenu(MenuOpen::CONTACTS_LIST);
}


void RingClientUWP::Views::SmartPanel::OnexportOnRingEnded(Platform::String ^accountId, Platform::String ^pin)
{
    _waitingAndResult_->Text = pin;
    _closePin_->Visibility = Windows::UI::Xaml::Visibility::Visible;

    RingD::instance->hideLoadingOverlay("PIN generated", SuccessColor, 500);
}


void RingClientUWP::Views::SmartPanel::_closePin__Click(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e)
{
    selectMenu(MenuOpen::CONTACTS_LIST);

    // refacto : do something better...
    auto loader = ref new Windows::ApplicationModel::Resources::ResourceLoader();
    _waitingAndResult_->Text = loader->GetString("_accountsWaitingAndResult_.Text");
}

void RingClientUWP::Views::SmartPanel::_editAccountMenuButton__Click(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e)
{
    _scrollViewerEditionMenu_->UpdateLayout();
    _scrollViewerEditionMenu_->ScrollToVerticalOffset(0);

    auto account = AccountListItemsViewModel::instance->_selectedItem->_account;

    _accountAliasTextBoxEdition_->Text = account->name_;
    _accountEditionGrid_->Visibility = Windows::UI::Xaml::Visibility::Visible;
    _createAccountYes_->IsEnabled = false;

    _sipAccountStackEdition_->Visibility = (account->accountType_ == "SIP")
                                           ? Windows::UI::Xaml::Visibility::Visible
                                           :Windows::UI::Xaml::Visibility::Collapsed;
    _ringStackEdition_->Visibility = (account->accountType_ == "RING")
                                     ? Windows::UI::Xaml::Visibility::Visible
                                     : Windows::UI::Xaml::Visibility::Collapsed;

    _ringStackEdition2_->Visibility = (account->accountType_ == "RING")
        ? Windows::UI::Xaml::Visibility::Visible
        : Windows::UI::Xaml::Visibility::Collapsed;

    _sipHostnameEdition_->Text = account->_sipHostname;
    _sipUsernameEditionTextBox_->Text = account->_sipUsername;
    _sipPasswordEdition_->Password = account->_sipPassword;

    auto registeredName = Utils::toPlatformString(RingD::instance->registeredName(account));

    if (registeredName) {
        _RegisterStateEdition_->IsOn = true; // keep this before _usernameTextBoxEdition_

        _usernameTextBoxEdition_->IsEnabled = false;
        _usernameTextBoxEdition_->Text = registeredName;
        _RegisterStateEdition_->IsEnabled = false;

        auto loader = ref new Windows::ApplicationModel::Resources::ResourceLoader();
        _whatWillHappenEdition_->Text = loader->GetString("_whatWillHappen_0_");
        _usernameInvalidEdition_->Visibility = Windows::UI::Xaml::Visibility::Collapsed;
    } else {
        _RegisterStateEdition_->IsOn = false;

        _usernameTextBoxEdition_->IsEnabled = false;
        _usernameTextBoxEdition_->Text = "";
        _RegisterStateEdition_->IsEnabled = true;

        auto loader = ref new Windows::ApplicationModel::Resources::ResourceLoader();
        _whatWillHappenEdition_->Text = loader->GetString("_whatWillHappen_1_");
        _usernameInvalidEdition_->Visibility = Windows::UI::Xaml::Visibility::Collapsed;
    }

    auto nBannedContacts = AccountsViewModel::instance->bannedContacts(account->accountID_);
    if (nBannedContacts) {
        _accountsShowBannedList_->IsEnabled = true;
    }
    else {
        _accountsShowBannedList_->IsEnabled = false;
    }
    setBannedListState(false);

    checkStateEditionMenu();
}


void RingClientUWP::Views::SmartPanel::_acceptAccountModification__Click(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e)
{
    auto account = AccountListItemsViewModel::instance->_selectedItem->_account;
    auto accountId = account->accountID_;

    account->name_ = _accountAliasTextBoxEdition_->Text;

    if (account->accountType_ == "RING") {
        if (_RegisterStateEdition_->IsOn)
            account->_username = _usernameTextBoxEdition_->Text;
        account->_active = _enabledState_->IsOn;
        account->_upnpState = _upnpState_->IsOn;
        account->_autoAnswer = _autoAnswerToggle_->IsOn;
        account->_dhtPublicInCalls = _dhtPublicInCallsToggle_->IsOn;
        account->_turnEnabled = _turnEnabledToggle_->IsOn;
        if (_turnEditionTextBox_->Text != "")
            account->_turnAddress = _turnEditionTextBox_->Text;
    }
    else {
        account->_sipHostname = _sipHostnameEdition_->Text;
        account->_sipUsername = _sipUsernameEditionTextBox_->Text;
        account->_sipPassword = _sipPasswordEdition_->Password;
    }

    RingD::instance->updateAccount(accountId);

    selectMenu(MenuOpen::ACCOUNTS_LIST);

    updatePageContent();

    if (_usernameValidEdition_->Visibility == Windows::UI::Xaml::Visibility::Visible && _usernameTextBoxEdition_->Text->Length() > 2)
        RingD::instance->registerName(account->accountID_, "", _usernameTextBoxEdition_->Text);
}


void RingClientUWP::Views::SmartPanel::_cancelAccountModification__Click(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e)
{
    _accountEditionGrid_->Visibility = Windows::UI::Xaml::Visibility::Collapsed;
}


void RingClientUWP::Views::SmartPanel::OnaccountUpdated(RingClientUWP::Account ^account)
{
    updatePageContent();
    updateNotificationsState();
}

void RingClientUWP::Views::SmartPanel::_passwordBoxAccountCreationCheck__PasswordChanged(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e)
{
    checkStateAddAccountMenu();
}


void RingClientUWP::Views::SmartPanel::_accountTypeComboBox__SelectionChanged(Platform::Object^ sender, Windows::UI::Xaml::Controls::SelectionChangedEventArgs^ e)
{
    auto accountTypeComboBox = dynamic_cast<ComboBox^>(sender);

    /* avoid exception at start */
    if (_ringAccountCreationStack_ == nullptr && _sipAccountCreationStack_ == nullptr)
        return;

    /* empty everything, avoid to keep credentials in memory... */
    _ringPasswordBoxAccountCreation_->Password = "";
    _ringPasswordBoxAccountCreationCheck_->Password = "";
    _sipPasswordBoxAccountCreation_->Password = "";
    _sipUsernameTextBox_->Text = "";
    _sipHostnameTextBox_->Text = "";

    if (accountTypeComboBox->SelectedIndex == 0 /* RING type is selected */) {
        _ringAccountCreationStack_->Visibility = Windows::UI::Xaml::Visibility::Visible;
        _sipAccountCreationStack_->Visibility = Windows::UI::Xaml::Visibility::Collapsed;
        _createAccountYes_->IsEnabled = false;
    } else { /* SIP type is selected */
        _ringAccountCreationStack_->Visibility = Windows::UI::Xaml::Visibility::Collapsed;
        _sipAccountCreationStack_->Visibility = Windows::UI::Xaml::Visibility::Visible;
        _createAccountYes_->IsEnabled = (_accountAliasTextBox_->Text->IsEmpty()) ? false : true;
    }
}

void RingClientUWP::Views::SmartPanel::_accountAliasTextBox__TextChanged(Platform::Object^ sender, Windows::UI::Xaml::Controls::TextChangedEventArgs^ e)
{
    checkStateAddAccountMenu();
}

void RingClientUWP::Views::SmartPanel::_accountAliasTextBoxEdition__TextChanged(Platform::Object^ sender, Windows::UI::Xaml::Controls::TextChangedEventArgs^ e)
{
    checkStateEditionMenu();
}

void RingClientUWP::Views::SmartPanel::_selectedAccountAvatarContainer__PointerEntered(Platform::Object^ sender, Windows::UI::Xaml::Input::PointerRoutedEventArgs^ e)
{
    _photoboothIcon_->Visibility = Windows::UI::Xaml::Visibility::Visible;
    _shaderPhotoboothIcon_->Visibility = Windows::UI::Xaml::Visibility::Visible;
}


void
RingClientUWP::Views::SmartPanel::_selectedAccountAvatarContainer__PointerReleased(Platform::Object^ sender, Windows::UI::Xaml::Input::PointerRoutedEventArgs^ e)
{
    create_task(Configuration::getProfileImageAsync()).then([&](task<BitmapImage^> image){
        try {
            if (auto bitmapImage = image.get()) {
                _selectedAccountAvatar_->ImageSource = bitmapImage;
            }
        }
        catch (Platform::Exception^ e) {
            EXC_(e);
        }
    });
}

void RingClientUWP::Views::SmartPanel::_selectedAccountAvatarContainer__PointerExited(Platform::Object^ sender, Windows::UI::Xaml::Input::PointerRoutedEventArgs^ e)
{
    _photoboothIcon_->Visibility = Windows::UI::Xaml::Visibility::Collapsed;
    _shaderPhotoboothIcon_->Visibility = Windows::UI::Xaml::Visibility::Collapsed;
}

void RingClientUWP::Views::SmartPanel::_smartList__PointerExited(Platform::Object^ sender, Windows::UI::Xaml::Input::PointerRoutedEventArgs^ e)
{

}

// NAME SERVICE

void RingClientUWP::Views::SmartPanel::_registerOnBlockchainEdition__Click(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e)
{
    auto account = AccountListItemsViewModel::instance->_selectedItem->_account;
    RingD::instance->registerName(account->accountID_, "", _usernameTextBoxEdition_->Text);
}


void RingClientUWP::Views::SmartPanel::_usernameTextBoxEdition__KeyUp(Platform::Object^ sender, Windows::UI::Xaml::Input::KeyRoutedEventArgs^ e)
{
    auto accountId = AccountListItemsViewModel::instance->getSelectedAccountId();
    RingD::instance->lookUpName(Utils::toString(accountId), _usernameTextBoxEdition_->Text);

    _usernameValidEdition_->Visibility = Windows::UI::Xaml::Visibility::Collapsed;
    _usernameInvalidEdition_->Visibility = Windows::UI::Xaml::Visibility::Collapsed;

    checkStateEditionMenu();
}

void RingClientUWP::Views::SmartPanel::OnregisteredNameFound(RingClientUWP::LookupStatus status, const std::string& accountId, const std::string& address, const std::string& name)
{
    // In the case where the lookup was for a local account's username, we need just
    // update the account's username property and return.
    if (status == LookupStatus::SUCCESS) {
        if (Account^ account = AccountsViewModel::instance->findAccountByRingID(Utils::toPlatformString(address))) {
            MSG_("Account username lookup complete");
            account->_username = Utils::toPlatformString(name);
            // If the the account is currently selected, update the account best-name
            if (AccountListItemsViewModel::instance->_selectedItem->_account == account) {
                _selectedAccountName_->Text = account->_bestName;
               _selectedAccountUsername_->Text = account->_bestName2;
            }
            return;
        }
    }

    if (menuOpen == MenuOpen::ACCOUNTS_LIST) { // if true, we did the lookup for a new account
        /* note : this code do both check for edit and creation menu. It doesn't affect the use and it's easier to
           implement. */
        auto currentNameEdition = Utils::toString(_usernameTextBoxEdition_->Text);
        if (currentNameEdition == name) {
            switch (status)
            {
            case LookupStatus::SUCCESS:
            case LookupStatus::INVALID_NAME:
            case LookupStatus::ERRORR:
                _usernameValidEdition_->Visibility = Windows::UI::Xaml::Visibility::Collapsed;
                _usernameInvalidEdition_->Visibility = Windows::UI::Xaml::Visibility::Visible;
                break;
            case LookupStatus::NOT_FOUND:
                _usernameValidEdition_->Visibility = Windows::UI::Xaml::Visibility::Visible;
                _usernameInvalidEdition_->Visibility = Windows::UI::Xaml::Visibility::Collapsed;
                break;
            }
            checkStateEditionMenu();
            return;
        }

        auto currentNameCreation = Utils::toString(_usernameTextBox_->Text);
        if (currentNameCreation == name) {
            switch (status)
            {
            case LookupStatus::SUCCESS:
            case LookupStatus::INVALID_NAME:
            case LookupStatus::ERRORR:
                _usernameValid_->Visibility = Windows::UI::Xaml::Visibility::Collapsed;
                _usernameInvalid_->Visibility = Windows::UI::Xaml::Visibility::Visible;
                break;
            case LookupStatus::NOT_FOUND:
                _usernameValid_->Visibility = Windows::UI::Xaml::Visibility::Visible;
                _usernameInvalid_->Visibility = Windows::UI::Xaml::Visibility::Collapsed;
                break;
            }
            checkStateAddAccountMenu();
            return;
        }

    }
    else { // if false, we are looking for a registered user (contact)
        auto contactListModel = AccountsViewModel::instance->getContactListModel(std::string(accountId));
        auto contact = contactListModel->findContactByName(Utils::toPlatformString(name));

        // Try looking up a contact added by address
        if (contact == nullptr)
            contact = contactListModel->findContactByName(Utils::toPlatformString(address));

        if (contact == nullptr)
            return;

        switch (status) {
        case LookupStatus::SUCCESS:
        {
            if (contact->_contactStatus == ContactStatus::WAITING_FOR_ACTIVATION) {
                contact->_contactStatus = ContactStatus::READY;
                contact->ringID_ = Utils::toPlatformString(address);
                contact->_avatarColorString = Utils::getRandomColorStringFromString(contact->ringID_);
                auto loader = ref new Windows::ApplicationModel::Resources::ResourceLoader();
                ringTxtBxPlaceHolderDelay(loader->GetString("_contactsUserAdded_"), 5000);

                // send contact request
                if (contact->_trustStatus == TrustStatus::UNKNOWN) {
                    auto vcard = Configuration::UserPreferences::instance->getVCard();
                    RingD::instance->sendContactRequest(accountId, address, vcard->asString());
                    contact->_name = Utils::toPlatformString(name);
                    contact->_trustStatus = TrustStatus::CONTACT_REQUEST_SENT;
                    SmartPanelItemsViewModel::instance->refreshFilteredItemsList();
                    SmartPanelItemsViewModel::instance->update(ViewModel::NotifyStrings::notifySmartPanelItem);
                }
                else if (contact->_trustStatus == TrustStatus::INCOMING_CONTACT_REQUEST) {
                    contact->_name = Utils::toPlatformString(name);
                    ContactRequestItemsViewModel::instance->update(ViewModel::NotifyStrings::notifyContactRequestItem);
                }
                contactListModel->saveContactsToFile();
            }
            else {
                /* in that case we delete a possible temporary item */
                for each (Contact^ contact in contactListModel->_contactsList) {
                    if (contact->_contactStatus == ContactStatus::WAITING_FOR_ACTIVATION
                            && contact->_name == Utils::toPlatformString(name)) {
                        auto item = SmartPanelItemsViewModel::instance->findItem(contact);
                        contactListModel->deleteContact(contact);
                        SmartPanelItemsViewModel::instance->removeItem(item);
                    }
                }
            }
            if (!contact->subscribed_) {
                MSG_("account: " + accountId + " subscribing to buddy presence for ringID: " + Utils::toString(contact->ringID_));
                RingD::instance->subscribeBuddy(accountId, Utils::toString(contact->ringID_), true);
                contact->subscribed_ = true;
            }
        }
        break;
        case LookupStatus::INVALID_NAME:
        {
            MSG_("INVALID_NAME LOOKUP RESULT");
            std::regex sha1_regex("[0-9a-f]{40}");
            if (std::regex_match(name, sha1_regex)) {
                /* first we check if some contact is registred with this ring id */
                auto contactAlreadyRecorded = contactListModel->findContactByRingId(Utils::toPlatformString(name));
                if (contactAlreadyRecorded) {
                    /* delete the contact added recently */
                    auto item = SmartPanelItemsViewModel::instance->findItem(contact);
                    if (item->_contact->_trustStatus != TrustStatus::INCOMING_CONTACT_REQUEST &&
                        item->_contact->_trustStatus != TrustStatus::UNKNOWN &&
                        item->_contact->_contactStatus == ContactStatus::WAITING_FOR_ACTIVATION) {
                        contactListModel->deleteContact(contact);
                        SmartPanelItemsViewModel::instance->removeItem(item);
                        auto loader = ref new Windows::ApplicationModel::Resources::ResourceLoader();
                        ringTxtBxPlaceHolderDelay(loader->GetString("_contactsContactExists_"), 5000);
                    }
                    else if (item->_contact->_trustStatus == TrustStatus::UNKNOWN) {
                        SmartPanelItemsViewModel::instance->refreshFilteredItemsList();
                        SmartPanelItemsViewModel::instance->update(ViewModel::NotifyStrings::notifySmartPanelItem);
                    }
                }