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// **********************************************************************
//
// Copyright (c) 2003-present ZeroC, Inc. All rights reserved.
//
// **********************************************************************
#include "pch.h"
#include "ControllerView.xaml.h"
#include <ppltasks.h>
using namespace Test;
using namespace Platform;
using namespace Windows::ApplicationModel;
using namespace Windows::ApplicationModel::Activation;
using namespace Windows::Foundation;
using namespace Windows::Foundation::Collections;
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;
using namespace Windows::ApplicationModel::ExtendedExecution::Foreground;
// The Blank Application template is documented at http://go.microsoft.com/fwlink/?LinkId=234227
/// <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);
}
/// <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="pArgs">Details about the launch request and process.</param>
void App::OnLaunched(Windows::ApplicationModel::Activation::LaunchActivatedEventArgs^ pArgs)
{
// Do not repeat app initialization when already running, just ensure that
// the window is active
if(pArgs->PreviousExecutionState == ApplicationExecutionState::Running)
{
Window::Current->Activate();
return;
}
if(pArgs->PreviousExecutionState == ApplicationExecutionState::Terminated)
{
//TODO: Load state from previously suspended application
}
// Create a Frame to act navigation context and navigate to the first page
auto rootFrame = ref new Frame();
if(!rootFrame->Navigate(TypeName(ControllerView::typeid)))
{
throw ref new FailureException("Failed to create initial page");
}
// Place the frame in the current Window and ensure that it is active
Window::Current->Content = rootFrame;
Window::Current->Activate();
if(!_session)
{
ExtendedExecutionForegroundSession^ session = ref new ExtendedExecutionForegroundSession();
session->Reason = ExtendedExecutionForegroundReason::Unconstrained;
session->Revoked += ref new TypedEventHandler<Object^, ExtendedExecutionForegroundRevokedEventArgs^>(this, &App::SessionRevoked);
concurrency::create_task(session->RequestExtensionAsync()).then([this, session](ExtendedExecutionForegroundResult result)
{
switch(result)
{
case ExtendedExecutionForegroundResult::Allowed:
_session = session;
break;
case ExtendedExecutionForegroundResult::Denied:
break;
}
});
}
}
void App::SessionRevoked(Object^ sender, ExtendedExecutionForegroundRevokedEventArgs^ args)
{
if(_session != nullptr)
{
_session = nullptr;
}
}
/// <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
//TODO: Save application state and stop any background activity
}
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