private async void SetTimeOffsets(ITimeOffsets value) // todo: consider converting setter to a public function
{
var oldOffsets = provider.TimeOffsets;
if (oldOffsets.Equals(value))
{
return;
}
var savedBookmarks = bookmarks.Items
.Where(b => b.GetLogSource() == this)
.Select(b => new { bmk = b, threadId = b.Thread.ID })
.ToArray();
await provider.SetTimeOffsets(value, CancellationToken.None);
var invserseOld = oldOffsets.Inverse();
bookmarks.PurgeBookmarksForDisposedThreads();
foreach (var b in savedBookmarks)
{
var newBmkTime = b.bmk.Time.Adjust(invserseOld).Adjust(value);
bookmarks.ToggleBookmark(new Bookmark(
newBmkTime,
logSourceThreads.GetThread(new StringSlice(b.threadId)),
b.bmk.DisplayName,
b.bmk.Position,
b.bmk.LineIndex));
}
owner.OnTimeOffsetChanged(this);
using (var s = OpenSettings(false))
{
s.Data.Root.SetAttributeValue("timeOffset", value.ToString());
}
}
public BookmarkController(
IBookmarks bookmarks,
IModelThreads threads,
IHeartBeatTimer heartbeat
)
{
tracer = LJTraceSource.EmptyTracer;
threads.OnThreadListChanged += (s, e) =>
{
bookmarksNeedPurgeFlag.Invalidate();
};
heartbeat.OnTimer += (sender, args) =>
{
if (args.IsNormalUpdate && bookmarksNeedPurgeFlag.Validate())
{
bookmarks.PurgeBookmarksForDisposedThreads();
}
};
bookmarks.OnBookmarksChanged += (sender, e) =>
{
if (e.Type == BookmarksChangedEventArgs.ChangeType.Added || e.Type == BookmarksChangedEventArgs.ChangeType.Removed ||
e.Type == BookmarksChangedEventArgs.ChangeType.RemovedAll || e.Type == BookmarksChangedEventArgs.ChangeType.Purged)
{
foreach (var affectedSource in
e.AffectedBookmarks
.Select(b => b.GetLogSource())
.Where(s => s.LogSourceStateIsOkToChangePersistentState())
.Distinct())
{
try
{
affectedSource.StoreBookmarks();
}
catch (Persistence.StorageException storageException)
{
tracer.Error(storageException, "Failed to store bookmarks for log {0}",
affectedSource.GetSafeConnectionId());
}
}
}
};
}