//
// App.xaml.cpp
// Implementation of the App class.
//

#include "pch.h"
#include "DirectXPage.xaml.h"

using namespace KinectVision;

using namespace Platform;
using namespace Windows::ApplicationModel;
using namespace Windows::ApplicationModel::Activation;
using namespace Windows::Foundation;
using namespace Windows::Foundation::Collections;
using namespace Windows::Storage;
using namespace Windows::UI::Xaml;
using namespace Windows::UI::Xaml::Controls;
using namespace Windows::UI::Xaml::Controls::Primitives;
using namespace Windows::UI::Xaml::Data;
using namespace Windows::UI::Xaml::Input;
using namespace Windows::UI::Xaml::Interop;
using namespace Windows::UI::Xaml::Media;
using namespace Windows::UI::Xaml::Navigation;
/// <summary>
/// Initializes the singleton application object.  This is the first line of authored code
/// executed, and as such is the logical equivalent of main() or WinMain().
/// </summary>
App::App()
{
    InitializeComponent();
    Suspending += ref new SuspendingEventHandler(this, &App::OnSuspending);
    Resuming += ref new EventHandler<Object^>(this, &App::OnResuming);
}

/// <summary>
/// Invoked when the application is launched normally by the end user.  Other entry points
/// will be used when the application is launched to open a specific file, to display
/// search results, and so forth.
/// </summary>
/// <param name="e">Details about the launch request and process.</param>
void App::OnLaunched(Windows::ApplicationModel::Activation::LaunchActivatedEventArgs^ e)
{
#if _DEBUG
    if (IsDebuggerPresent())
    {
        DebugSettings->EnableFrameRateCounter = true;
    }
#endif

    if (m_directXPage == nullptr)
    {
        m_directXPage = ref new DirectXPage();
    }

    if (e->PreviousExecutionState == ApplicationExecutionState::Terminated)
    {
        m_directXPage->LoadInternalState(ApplicationData::Current->LocalSettings->Values);
    }

    // Place the page in the current window and ensure that it is active.
    Window::Current->Content = m_directXPage;
    Window::Current->Activate();
}

/// <summary>
/// Invoked when application execution is being suspended.  Application state is saved
/// without knowing whether the application will be terminated or resumed with the contents
/// of memory still intact.
/// </summary>
/// <param name="sender">The source of the suspend request.</param>
/// <param name="e">Details about the suspend request.</param>
void App::OnSuspending(Object^ sender, SuspendingEventArgs^ e)
{
    (void) sender;    // Unused parameter
    (void) e;    // Unused parameter

    m_directXPage->SaveInternalState(ApplicationData::Current->LocalSettings->Values);
}

/// <summary>
/// Invoked when application execution is being resumed.
/// </summary>
/// <param name="sender">The source of the resume request.</param>
/// <param name="args">Details about the resume request.</param>
void App::OnResuming(Object ^sender, Object ^args)
{
    (void) sender; // Unused parameter
    (void) args; // Unused parameter

    m_directXPage->LoadInternalState(ApplicationData::Current->LocalSettings->Values);
}
