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using System;
using System.Windows;
using System.Windows.Navigation;
using Juick.Classes;
using Juick.ViewModels;
using Microsoft.Phone.Controls;
using Microsoft.Phone.Shell;
namespace Juick
{
public partial class App : Application
{
public void NavigateTo(Uri param, bool removeFromStack = false)
{
var page = (PhoneApplicationPage) RootFrame.Content;
var service = page.NavigationService;
service.Navigate(param);
if (removeFromStack)
{
page.Dispatcher.BeginInvoke(() => service.RemoveBackEntry());
}
}
private static AppViewModel _context = null;
public static AppViewModel AppContext
{
get
{
// Delay creation of the view model until necessary
if (_context == null) {
_context = new AppViewModel();
_context.Pages.Add(new PageViewModel(_context) { RestUri = "/home?1=1", Caption = "My feed"});
_context.Pages.Add(new PageViewModel(_context) { RestUri = "/messages?1=1", Caption = "Last"});
_context.Pages.Add(new PageViewModel(_context) { RestUri = "/messages?1=1&popular=1", Caption = "Top"});
_context.Pages.Add(new PageViewModel(_context) { RestUri = "/messages?1=1&media=all", Caption = "Images" });
};
return _context;
}
}
/// <summary>
/// Provides easy access to the root frame of the Phone Application.
/// </summary>
/// <returns>The root frame of the Phone Application.</returns>
public PhoneApplicationFrame RootFrame { get; private set; }
/// <summary>
/// Constructor for the Application object.
/// </summary>
public App()
{
// Global handler for uncaught exceptions.
UnhandledException += Application_UnhandledException;
// Standard Silverlight initialization
InitializeComponent();
// Phone-specific initialization
InitializePhoneApplication();
// Show graphics profiling information while debugging.
if (System.Diagnostics.Debugger.IsAttached)
{
// Display the current frame rate counters.
Current.Host.Settings.EnableFrameRateCounter = true;
// Show the areas of the app that are being redrawn in each frame.
//Application.Current.Host.Settings.EnableRedrawRegions = true;
// Enable non-production analysis visualization mode,
// which shows areas of a page that are handed off to GPU with a colored overlay.
//Application.Current.Host.Settings.EnableCacheVisualization = true;
// Disable the application idle detection by setting the UserIdleDetectionMode property of the
// application's PhoneApplicationService object to Disabled.
// Caution:- Use this under debug mode only. Application that disables user idle detection will continue to run
// and consume battery power when the user is not using the phone.
PhoneApplicationService.Current.UserIdleDetectionMode = IdleDetectionMode.Disabled;
}
}
// Code to execute when the application is launching (eg, from Start)
// This code will not execute when the application is reactivated
private void Application_Launching(object sender, LaunchingEventArgs e)
{
const string JuickCaption = "Juick";
TileHelper.UpdateFlipTile(
JuickCaption,
string.Empty,
JuickCaption,
JuickCaption,
null,
"/ApplicationSmallTile.png",
"/ApplicationTile.png",
null,
"/ApplicationWideTile.png",
null);
}
// Code to execute when the application is activated (brought to foreground)
// This code will not execute when the application is first launched
private void Application_Activated(object sender, ActivatedEventArgs e)
{
// Ensure that application state is restored appropriately
}
// Code to execute when the application is deactivated (sent to background)
// This code will not execute when the application is closing
private void Application_Deactivated(object sender, DeactivatedEventArgs e)
{
// Ensure that required application state is persisted here.
}
// Code to execute when the application is closing (eg, user hit Back)
// This code will not execute when the application is deactivated
private void Application_Closing(object sender, ClosingEventArgs e)
{
}
// Code to execute if a navigation fails
private void RootFrame_NavigationFailed(object sender, NavigationFailedEventArgs e)
{
if (System.Diagnostics.Debugger.IsAttached)
{
// A navigation has failed; break into the debugger
System.Diagnostics.Debugger.Break();
}
}
// Code to execute on Unhandled Exceptions
private void Application_UnhandledException(object sender, ApplicationUnhandledExceptionEventArgs e)
{
if (System.Diagnostics.Debugger.IsAttached)
{
// An unhandled exception has occurred; break into the debugger
System.Diagnostics.Debugger.Break();
}
}
#region Phone application initialization
// Avoid double-initialization
private bool phoneApplicationInitialized = false;
// Do not add any additional code to this method
private void InitializePhoneApplication()
{
if (phoneApplicationInitialized)
return;
// Create the frame but don't set it as RootVisual yet; this allows the splash
// screen to remain active until the application is ready to render.
RootFrame = new PhoneApplicationFrame();
RootFrame.Navigated += CompleteInitializePhoneApplication;
// Handle navigation failures
RootFrame.NavigationFailed += RootFrame_NavigationFailed;
// Ensure we don't initialize again
phoneApplicationInitialized = true;
}
// Do not add any additional code to this method
private void CompleteInitializePhoneApplication(object sender, NavigationEventArgs e)
{
// Set the root visual to allow the application to render
if (RootVisual != RootFrame)
RootVisual = RootFrame;
// Remove this handler since it is no longer needed
RootFrame.Navigated -= CompleteInitializePhoneApplication;
}
#endregion
}
}
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