videocall: transition to videopage during a call

- transtions to the videopage during a call
- displays the called peer's name at the top of the page
- allows the user to end the call with the hangup button
- allows the user to exit and re-enter the call by selecting
  different SmartListItems

Change-Id: I48e120e9ea9bcb2498ef7a45c706e7267fd77708

CallsViewModel.cpp

-/***************************************************************************
+/**************************************************************************
 * Copyright (C) 2016 by Savoir-faire Linux                                *
 * Author: Jger 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    *
@@ -44,10 +45,14 @@ CallsViewModel::CallsViewModel()
                 if (state == "OVER") {
                     delete call;
                     call->stateChange("", code);
+                    callEnded();
                     callStatusUpdated(call); // used ?
                     RingD::instance->hangUpCall(call);
                     return;
                 }
+                else if (state == "CURRENT") {
+                    callStarted();
+                }
                 call->stateChange(state, code);
                 callStatusUpdated(call); // same...
                 return;

CallsViewModel.h

@@ -2,6 +2,7 @@
 /**************************************************************************
 * Copyright (C) 2016 by Savoir-faire Linux                                *
 * Author: Jger 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    *
@@ -23,6 +24,8 @@ namespace RingClientUWP
 /* delegate */
 delegate void CallRecieved(Call^ call);
 delegate void CallStatusUpdated(Call^ call);
+delegate void CallStarted();
+delegate void CallEnded();
 
 namespace ViewModel {
 public ref class CallsViewModel sealed
@@ -56,6 +59,8 @@ internal:
     /* events */
     event CallRecieved^ callRecieved;
     event CallStatusUpdated^ callStatusUpdated;
+    event CallStarted^ callStarted;
+    event CallEnded^ callEnded;
 
 private:
     CallsViewModel(); // singleton

MainPage.xaml.cpp

@@ -61,10 +61,28 @@ MainPage::MainPage()
 
     /* connect to delegates */
     ContactsViewModel::instance->newContactSelected += ref new NewContactSelected([&]() {
-        showFrame(_messageTextFrame_);
+        Contact^ selectedContact = ContactsViewModel::instance->selectedContact;
+        auto call = selectedContact?
+            SmartPanelItemsViewModel::instance->findItem(selectedContact)->_call:
+            nullptr;
+        if (call != nullptr) {
+            if (call->state == "CURRENT")
+                showFrame(_videoFrame_);
+            else
+                showFrame(_messageTextFrame_);
+        }
+        else {
+            showFrame(_messageTextFrame_);
+        }
     });
     ContactsViewModel::instance->noContactSelected += ref new NoContactSelected([&]() {
         showFrame(_welcomeFrame_);
+        });
+    CallsViewModel::instance->callStarted += ref new CallStarted([&]() {
+        showFrame(_videoFrame_);
+    });
+    CallsViewModel::instance->callEnded += ref new CallEnded([&]() {
+        showFrame(_messageTextFrame_);
     });
 
     DisplayInformation^ displayInformation = DisplayInformation::GetForCurrentView();
@@ -105,6 +123,7 @@ RingClientUWP::MainPage::showFrame(Windows::UI::Xaml::Controls::Frame^ frame)
         _navGrid_->SetRow(_welcomeFrame_, 1);
     } else if (frame == _videoFrame_) {
         _navGrid_->SetRow(_videoFrame_, 1);
+        dynamic_cast<VideoPage^>(_videoFrame_->Content)->updatePageContent();
     } else if (frame == _messageTextFrame_) {
         _navGrid_->SetRow(_messageTextFrame_, 1);
         dynamic_cast<MessageTextPage^>(_messageTextFrame_->Content)->updatePageContent();

VideoPage.xaml.cpp

+/**************************************************************************
+* Copyright (C) 2016 by Savoir-faire Linux                                *
+* Author: Jger 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 "VideoPage.xaml.h"
@@ -17,13 +35,31 @@ using namespace Windows::UI::Xaml::Input;
 using namespace Windows::UI::Xaml::Media;
 using namespace Windows::UI::Xaml::Navigation;
 using namespace Windows::Media::Capture;
+using namespace Windows::ApplicationModel::Core;
+using namespace Windows::UI::Core;
 
 VideoPage::VideoPage()
 {
     InitializeComponent();
 }
 
+void
+RingClientUWP::Views::VideoPage::OnNavigatedTo(Windows::UI::Xaml::Navigation::NavigationEventArgs^ e)
+{
+    updatePageContent();
+}
 
+void RingClientUWP::Views::VideoPage::updatePageContent()
+{
+    auto selectedContact = ViewModel::ContactsViewModel::instance->selectedContact;
+    Contact^ contact = selectedContact?
+        ViewModel::SmartPanelItemsViewModel::instance->findItem(selectedContact)->_contact:
+        nullptr;
+    if (!contact)
+        return;
+
+    _callee_->Text = contact->name_;
+}
 
 void RingClientUWP::Views::VideoPage::Button_Click(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e)
 {
@@ -37,6 +73,12 @@ void RingClientUWP::Views::VideoPage::_btnCancel__Click(Platform::Object^ sender
 
 void RingClientUWP::Views::VideoPage::_btnHangUp__Tapped(Platform::Object^ sender, Windows::UI::Xaml::Input::TappedRoutedEventArgs^ e)
 {
+    Contact^ selectedContact = ViewModel::ContactsViewModel::instance->selectedContact;
+    Call^ call = selectedContact?
+        ViewModel::SmartPanelItemsViewModel::instance->findItem(selectedContact)->_call:
+        nullptr;
+    if (call)
+        RingD::instance->hangUpCall(call);
     pressHangUpCall();
 }
 
@@ -107,14 +149,4 @@ void RingClientUWP::Views::VideoPage::btnAny_entered(Platform::Object^ sender, W
 void RingClientUWP::Views::VideoPage::btnAny_exited(Platform::Object^ sender, Windows::UI::Xaml::Input::PointerRoutedEventArgs^ e)
 {
     barFading_ = true;
-}
-
-void
-RingClientUWP::Views::VideoPage::OnNavigatedTo(Windows::UI::Xaml::Navigation::NavigationEventArgs^ e)
-{
-    updatePageContent();
-}
-
-void RingClientUWP::Views::VideoPage::updatePageContent()
-{
 }
\ No newline at end of file

VideoPage.xaml.h

 #pragma once
-
+/**************************************************************************
+* Copyright (C) 2016 by Savoir-faire Linux                                *
+* Author: Jger 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 "VideoPage.g.h"
 
 using namespace Windows::Media::Capture;
@@ -25,6 +42,8 @@ public ref class VideoPage sealed
 {
 public:
     VideoPage();
+    void updatePageContent();
+
     property bool barFading
     {
         bool get()
@@ -38,10 +57,7 @@ public:
     }
 
 protected:
-    // Template Support
     virtual void OnNavigatedTo(Windows::UI::Xaml::Navigation::NavigationEventArgs^ e) override;
-    /*virtual void OnNavigatedFrom(Windows::UI::Xaml::Navigation::NavigationEventArgs^ e) override;*/
-
 
 internal:
     /* events */
@@ -58,10 +74,6 @@ internal:
 private:
     bool barFading_;
 
-    void updatePageContent();
-
-    //void OnNavigatedToPage(Object^ sender, NavigationEventArgs^ e);
-
     void Button_Click(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e);
     void _btnCancel__Click(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e);
     void _btnHangUp__Tapped(Platform::Object^ sender, Windows::UI::Xaml::Input::TappedRoutedEventArgs^ e);

WelcomePage.xaml.h

@@ -2,6 +2,7 @@
 /**************************************************************************
 * Copyright (C) 2016 by Savoir-faire Linux                                *
 * Author: Jger 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    *