void UpdateViewWithMessage(YamsterMessage message)
{
bool shouldBeInView = false;
if (CompiledFunc != null)
{
var executionContext = new YqlExecutionContext(this.appContext);
executionContext.Message = message;
shouldBeInView = CompiledFunc(executionContext);
}
ViewedMessage viewedMessage = null;
bool isInView = viewedMessagesById.TryGetValue(message.MessageId, out viewedMessage);
bool statisticsChanged = false;
if (isInView)
{
if (!shouldBeInView)
{
this.RemoveViewedMessage(viewedMessage);
NotifyViewChanged(YamsterViewChangeType.ModelLeaveView, message);
// TotalItemCount changed
statisticsChanged = true;
}
else
{
if (message.Read != viewedMessage.Read)
{
this.readMessageCount += message.Read ? +1 : -1;
viewedMessage.Read = message.Read;
statisticsChanged = true;
}
}
}
else
{
if (shouldBeInView)
{
AddViewedMessage(new ViewedMessage(message));
NotifyViewChanged(YamsterViewChangeType.ModelEnterView, message);
// TotalItemCount changed
statisticsChanged = true;
}
}
if (statisticsChanged)
{
NotifyViewChanged(YamsterViewChangeType.StatisticsChanged, null);
}
}
void UpdateViewWithThread(YamsterThread thread)
{
bool shouldBeInView = false;
if (CompiledFunc != null)
{
var executionContext = new YqlExecutionContext(this.appContext);
executionContext.Thread = thread;
shouldBeInView = CompiledFunc(executionContext);
}
ViewedThread viewedThread = null;
bool isInView = viewedThreadsById.TryGetValue(thread.ThreadId, out viewedThread);
bool statisticsChanged = false;
if (isInView)
{
if (!shouldBeInView)
{
this.RemoveViewedThread(viewedThread);
NotifyViewChanged(YamsterViewChangeType.ModelLeaveView, thread);
// TotalItemCount changed
statisticsChanged = true;
}
else
{
if (thread.Read != viewedThread.Read)
{
this.readThreadCount += thread.Read ? +1 : -1;
viewedThread.Read = thread.Read;
statisticsChanged = true;
}
}
}
else
{
if (shouldBeInView)
{
AddViewedThread(new ViewedThread(thread));
NotifyViewChanged(YamsterViewChangeType.ModelEnterView, thread);
// TotalItemCount changed
statisticsChanged = true;
}
}
if (statisticsChanged)
{
NotifyViewChanged(YamsterViewChangeType.StatisticsChanged, null);
}
}
protected override void OnValidate() // abstract
{
var executionContext = new YqlExecutionContext(appContext);
Debug.Assert(viewedMessagesById.Count == 0);
foreach (var message in appContext.YamsterCache.GetAllMessages())
{
executionContext.Message = message;
if (CompiledFunc(executionContext))
{
this.AddViewedMessage(new ViewedMessage(message));
}
}
}
protected override void OnValidate() // abstract
{
var executionContext = new YqlExecutionContext(appContext);
Debug.Assert(viewedThreadsById.Count == 0);
foreach (var thread in appContext.YamsterCache.GetAllThreads())
{
executionContext.Thread = thread;
if (CompiledFunc(executionContext))
{
this.AddViewedThread(new ViewedThread(thread));
}
}
}