/**
* Adds the existing unread states for the specified tab and list of workspaces
* to the specified array list.
*/
private void FillStatesForTab(IList states, IResourceList workspaces, string tab)
{
if (tab == _tabProvider.GetDefaultTab())
{
states.Add(_defaultUnreadState);
}
IntHashTable tabHash = (IntHashTable)_unreadStateTabMap [tab];
if (tabHash != null)
{
if (tab != _tabProvider.GetDefaultTab())
{
UnreadState state = (UnreadState)tabHash [0];
if (state != null)
{
states.Add(state);
}
}
foreach (IResource ws in workspaces)
{
UnreadState state = (UnreadState)tabHash [ws.Id];
if (state != null)
{
states.Add(state);
}
}
}
}
/// <summary>
/// Adjusts the unread count for the specified resource stored in the specified
/// count map by the specified delta value.
/// </summary>
private void AdjustUnreadCount(IResource res, int delta, UnreadState state)
{
if (!state.IsPersistent && !state.IsCounterValid(res))
{
return;
}
int count;
if (state.IsCounterValid(res) || (state.IsPersistent && !_unreadCountProviders.Contains(res.Type)))
{
count = state.GetUnreadCount(res) + delta;
}
else
{
// this will initiate a new count calculation which will already take into account
// the new unread state of the resource
count = state.GetUnreadCount(res);
}
if (count >= 0)
{
state.UpdateUnreadCounter(res, count);
if (state.IsPersistent && !_unreadCountProviders.Contains(res.Type))
{
MarkUnreadCounterChanged(res);
}
}
}
private int GetUnreadCountFromLinks(IResource res, UnreadState state)
{
int count;
int persistentCount = GetPersistentUnreadCount(res);
if (persistentCount == 0)
{
count = 0;
}
else
{
int unfilteredCount;
IResourceList links = GetUnreadCountedLinks(res, out unfilteredCount);
if (links == null)
{
count = 0;
}
else
{
links = links.Intersect(_tabProvider.GetTabFilterList(state.Tab), true);
count = CountUnreadResources(links);
// HACK: Cleanup for out-of-sync UnreadCount values
if (links.Count == unfilteredCount && count != persistentCount)
{
SetPersistentUnreadCount(res, count);
MarkUnreadCounterChanged(res);
}
}
}
return(count);
}
/**
* Switches the state of unread counters to the state associated with the
* specified key and filter list, and creates a new state if necessary.
*/
public UnreadState SetUnreadState(string activeTab, IResource activeWorkspace)
{
if (activeTab == _tabProvider.GetDefaultTab() && activeWorkspace == null)
{
_curUnreadState = _defaultUnreadState;
}
else
{
IntHashTable tabHash = (IntHashTable)_unreadStateTabMap [activeTab];
if (tabHash == null)
{
tabHash = new IntHashTable();
_unreadStateTabMap [activeTab] = tabHash;
}
int wsId = (activeWorkspace == null) ? 0 : activeWorkspace.Id;
UnreadState state = (UnreadState)tabHash [wsId];
if (state == null)
{
state = new UnreadState(this, activeTab, activeWorkspace);
tabHash [wsId] = state;
}
_curUnreadState = state;
}
return(_curUnreadState);
}
private void AdjustCounterInState(IntHashTable tabMap, int workspaceId, IResource resource, int delta)
{
if (tabMap != null)
{
UnreadState tabState = (UnreadState)tabMap [workspaceId];
if (tabState != null)
{
AdjustUnreadCount(resource, delta, tabState);
}
}
}
public void InvalidateUnreadCounter(IResource res)
{
_defaultUnreadState.InvalidateCounter(res);
foreach (DictionaryEntry de in _unreadStateTabMap)
{
IntHashTable ht = (IntHashTable)de.Value;
foreach (IntHashTable.Entry entry in ht)
{
UnreadState state = (UnreadState)entry.Value;
state.InvalidateCounter(res);
}
}
_curUnreadState.OnUnreadCountChanged(res);
}
public UnreadManager(WorkspaceManager workspaceManager, IResourceTabProvider tabProvider,
ISettingStore settingStore, ICoreProps coreProps)
{
_tabProvider = tabProvider;
_workspaceManager = workspaceManager;
_coreProps = coreProps;
_defaultUnreadState = new UnreadState(this, null, null);
_curUnreadState = _defaultUnreadState;
_store = Core.ResourceStore;
_propUnreadCount = _store.PropTypes.Register("UnreadCount", PropDataType.Int, PropTypeFlags.Internal);
_traceUnreadCounters = settingStore.ReadBool("UnreadCounters", "TraceUnreadCounters", false);
Core.ResourceAP.JobFinished += environment_ResourceOperationFinished;
Enabled = true;
}
/**
* Returns the count of unread resources returned by the specified provider and
* filtered by the workspace.
*/
private int GetProviderUnreadCount(IResource res, UnreadState state, IUnreadCountProvider provider)
{
IResourceList unreadList = provider.GetResourcesForView(res);
if (unreadList == Core.ResourceStore.EmptyResourceList)
{
return(0);
}
if (state != _defaultUnreadState)
{
unreadList = unreadList.Intersect(_tabProvider.GetTabFilterList(state.Tab));
if (state.Workspace != null)
{
unreadList = unreadList.Intersect(_workspaceManager.GetFilterList(state.Workspace));
}
}
return(unreadList.Count);
}
/**
* Refreshes the unread counters on all resources. Assumes to be invoked from the
* resource thread.
*/
public void RefreshUnreadCounters()
{
IResourceList unreadCountedResources = _store.FindResourcesWithProp(null, _propUnreadCount);
foreach (IResource unreadCountedRes in unreadCountedResources)
{
int linkCount;
IResourceList unreadCountedLinks = GetUnreadCountedLinks(unreadCountedRes, out linkCount);
unreadCountedRes.SetProp(_propUnreadCount, CountUnreadResources(unreadCountedLinks));
}
_defaultUnreadState.ResetCounters();
foreach (DictionaryEntry de in _unreadStateTabMap)
{
IntHashTable tabHash = (IntHashTable)de.Value;
foreach (IntHashTable.Entry ie in tabHash)
{
UnreadState state = (UnreadState)ie.Value;
state.ResetCounters();
}
}
}
/**
* Returns the unread count for the specified state.
*/
internal int GetCountForState(UnreadState state, IResource res)
{
if (state.IsCounterValid(res) || (state != _curUnreadState && !state.IsPersistent))
{
return(state.GetCountFromBuffer(res));
}
int count;
IUnreadCountProvider provider = (IUnreadCountProvider)_unreadCountProviders [res.Type];
if (provider == null)
{
count = state.IsPersistent ? res.GetIntProp(_propUnreadCount) :
GetUnreadCountFromLinks(res, state);
}
else
{
count = GetProviderUnreadCount(res, state, provider);
}
state.UpdateUnreadCounter(res, count);
return(count);
}
