diff options
author | Vitaly Takmazov | 2013-04-15 14:08:35 +0400 |
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committer | Vitaly Takmazov | 2013-04-15 14:08:35 +0400 |
commit | e3409abca917fbc5fd49d6366276fff0e0f60d3e (patch) | |
tree | 22cdf10c0aeb2a074f662475d98fd0b89f7f945e /Juick/ViewModels/AppViewModel.cs | |
parent | 0f5b520aa44faedbdbab4cdc1020384e9720fe8d (diff) |
Initial push notifications support
Diffstat (limited to 'Juick/ViewModels/AppViewModel.cs')
-rw-r--r-- | Juick/ViewModels/AppViewModel.cs | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/Juick/ViewModels/AppViewModel.cs b/Juick/ViewModels/AppViewModel.cs index 77970df..29e2a6b 100644 --- a/Juick/ViewModels/AppViewModel.cs +++ b/Juick/ViewModels/AppViewModel.cs @@ -5,11 +5,98 @@ using System.Linq; using Juick.Classes; using JuickApi; using RestSharp; +using Microsoft.Phone.Notification; +using System.Diagnostics; +using System.Text; namespace Juick.ViewModels { public class AppViewModel : ViewModelBase { + readonly HttpNotificationChannel pushChannel; + + // The name of our push channel. + string channelName = "JuickChannel"; + + public AppViewModel() + { + pushChannel = HttpNotificationChannel.Find(channelName); + + // If the channel was not found, then create a new connection to the push service. + if (pushChannel == null) + { + pushChannel = new HttpNotificationChannel(channelName); + + // Register for all the events before attempting to open the channel. + pushChannel.ChannelUriUpdated += (sender, e) => EnableNotifications(e.ChannelUri.ToString()); + pushChannel.ErrorOccurred += (sender, e) => DisableNotifications(); + + // Register for this notification only if you need to receive the notifications while your application is running. + // Register for this notification only if you need to receive the notifications while your application is running. + pushChannel.ShellToastNotificationReceived += (sender, e) => + { + StringBuilder message = new StringBuilder(); + string relativeUri = string.Empty; + + message.AppendFormat("Received Toast {0}:\n", DateTime.Now.ToShortTimeString()); + + // Parse out the information that was part of the message. + foreach (string key in e.Collection.Keys) + { + message.AppendFormat("{0}: {1}\n", key, e.Collection[key]); + + if (string.Compare( + key, + "wp:Param", + System.Globalization.CultureInfo.InvariantCulture, + System.Globalization.CompareOptions.IgnoreCase) == 0) + { + relativeUri = e.Collection[key]; + } + } + Debug.WriteLine("Received: " + message.ToString()); + }; + + pushChannel.Open(); + + // Bind this new channel for toast events. + pushChannel.BindToShellToast(); + + } + else + { + // The channel was already open, so just register for all the events. + pushChannel.ChannelUriUpdated += (sender, e) => EnableNotifications(e.ChannelUri.ToString()); + pushChannel.ErrorOccurred += (sender, e) => DisableNotifications(); + + // Register for this notification only if you need to receive the notifications while your application is running. + pushChannel.ShellToastNotificationReceived += (sender, e) => + { + StringBuilder message = new StringBuilder(); + string relativeUri = string.Empty; + + message.AppendFormat("Received Toast {0}:\n", DateTime.Now.ToShortTimeString()); + + // Parse out the information that was part of the message. + foreach (string key in e.Collection.Keys) + { + message.AppendFormat("{0}: {1}\n", key, e.Collection[key]); + + if (string.Compare( + key, + "wp:Param", + System.Globalization.CultureInfo.InvariantCulture, + System.Globalization.CompareOptions.IgnoreCase) == 0) + { + relativeUri = e.Collection[key]; + } + } + Debug.WriteLine("Received: " + message.ToString()); + }; + + EnableNotifications(pushChannel.ChannelUri.ToString()); + } + } private ObservableCollection<PageViewModel> _pages; public ObservableCollection<PageViewModel> Pages { @@ -51,5 +138,38 @@ namespace Juick.ViewModels }); } } + + public void EnableNotifications(string Url) + { + if (!Account.IsAuthenticated) return; + Client.Authenticator = new HttpBasicAuthenticator(Account.UserName, Account.Password); + Debug.WriteLine(Url.ToString()); + if (string.IsNullOrEmpty(Account.NotificationUri) || Account.NotificationUri != Url) + { + Account.NotificationUri = Url; + RegisterNotificationUrl(Url); + } + else + { + UnregisterNotificationUrl(Account.NotificationUri); + Account.NotificationUri = Url; + RegisterNotificationUrl(Url); + } + } + + public void DisableNotifications() + { + UnregisterNotificationUrl(Account.NotificationUri); + Account.NotificationUri = string.Empty; + } + + void RegisterNotificationUrl(string newUrl) + { + Client.ExecuteAsync(new RestRequest("/winphone/register?url=" + newUrl), response => Debug.WriteLine(response.StatusCode)); + } + void UnregisterNotificationUrl(string oldUrl) + { + Client.ExecuteAsync(new RestRequest("/winphone/unregister?url=" + oldUrl), response => Debug.WriteLine(response.StatusCode)); + } } } |