/// <summary>
/// Fired when we should load the content.
/// </summary>
/// <param name="source"></param>
public void OnPrepareContent()
{
// Run our work on a background thread.
Task.Run(() =>
{
// Get the image Url
string imageUrl = ImageManager.GetImageUrl(m_base.Source.Url);
// Make sure we got it.
if (String.IsNullOrWhiteSpace(imageUrl))
{
// This is bad, we should be able to get the url.
App.BaconMan.TelemetryMan.ReportUnExpectedEvent(this, "BasicImageControlNoImageUrl");
// Jump back to the UI thread
m_base.FireOnFallbackToBrowser();
return;
}
// Make sure we aren't destroyed.
if (m_base.IsDestoryed)
{
return;
}
// Fire off a request for the image.
ImageManager.ImageManagerRequest request = new ImageManager.ImageManagerRequest()
{
ImageId = m_base.Source.Id,
Url = imageUrl
};
request.OnRequestComplete += OnRequestComplete;
App.BaconMan.ImageMan.QueueImageRequest(request);
});
}
/// <summary>
/// Sets the posts to the UI.
/// </summary>
/// <param name="startingPos"></param>
/// <param name="newPosts"></param>
private async void SetPosts(int startingPos, List<Post> newPosts, bool isFreshUpdate)
{
// Dispatch to the UI thread
await Windows.ApplicationModel.Core.CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
// Setup the insert
int insertIndex = startingPos;
// Lock the list
lock(m_postsLists)
{
// Set up the objects for the UI
foreach (Post post in newPosts)
{
// Check if we are adding or inserting.
bool isReplace = insertIndex < m_postsLists.Count;
// If this is a replace and the urls are the same just set the image
if (isReplace && post.Url == m_postsLists[insertIndex].Url)
{
post.Image = m_postsLists[insertIndex].Image;
post.ImageVisibility = m_postsLists[insertIndex].ImageVisibility;
}
else
{
// Request the image if there is one
if (ImageManager.IsThumbnailImage(post.Thumbnail))
{
ImageManager.ImageManagerRequest request = new ImageManager.ImageManagerRequest()
{
Url = post.Thumbnail,
ImageId = post.Id
};
request.OnRequestComplete += OnRequestComplete;
App.BaconMan.ImageMan.QueueImageRequest(request);
}
}
if (isReplace)
{
if(m_postsLists[insertIndex].Id.Equals(post.Id))
{
// If the post is the same, just update the UI vars.
// If we replace the entire post the UI freaks out.
m_postsLists[insertIndex].Score = post.Score;
m_postsLists[insertIndex].TitleTextColor = post.TitleTextColor;
m_postsLists[insertIndex].Title = post.Title;
m_postsLists[insertIndex].Likes = post.Likes;
m_postsLists[insertIndex].SubTextLine1 = post.SubTextLine1;
m_postsLists[insertIndex].NewCommentText = post.NewCommentText;
m_postsLists[insertIndex].SubTextLine2PartOne = post.SubTextLine2PartOne;
m_postsLists[insertIndex].SubTextLine2PartTwo = post.SubTextLine2PartTwo;
}
else
{
// Replace the current item
m_postsLists[insertIndex] = post;
}
}
else
{
// Add it to the end
m_postsLists.Add(post);
}
insertIndex++;
}
// If it was a fresh update, remove anything past the last story sent.
while(isFreshUpdate && m_postsLists.Count > newPosts.Count)
{
m_postsLists.RemoveAt(m_postsLists.Count - 1);
}
}
});
}
/// <summary>
/// Called when we should show content
/// </summary>
/// <param name="post"></param>
public void OnPrepareContent(Post post)
{
// Set our flag
m_isDestoryed = false;
// First show loading
m_host.ShowLoading();
// Hide the content root
ui_contentRoot.Opacity = 0;
// Do the rest of the work on a background thread.
Task.Run(async () =>
{
// Get the image Url
string imageUrl = ImageManager.GetImageUrl(post.Url);
if (String.IsNullOrWhiteSpace(imageUrl))
{
// This is bad, we should be able to get the url.
App.BaconMan.TelemetryMan.ReportUnExpectedEvent(this, "BasicImageControlNoImageUrl");
// Jump back to the UI thread
await Windows.ApplicationModel.Core.CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
m_host.ShowError();
});
return;
}
// Fire off a request for the image.
ImageManager.ImageManagerRequest request = new ImageManager.ImageManagerRequest()
{
Callback = this,
ImageId = post.Id,
Url = imageUrl
};
App.BaconMan.ImageMan.QueueImageRequest(request);
});
}
