public override void Execute()
{
bool isBrowseMode;
string screenName;
Guid currentWorkflowState;
if (!GetRootState(out screenName, out isBrowseMode, out currentWorkflowState))
{
return;
}
string oldScreen = null;
if (isBrowseMode)
{
NavigationData.LoadScreenHierarchy(screenName + "_OLD", out oldScreen);
}
NavigationData.SaveScreenHierarchy(screenName,
isBrowseMode ? oldScreen : Consts.USE_BROWSE_MODE,
!isBrowseMode /* backup when switching to browse mode */);
IWorkflowManager workflowManager = ServiceRegistration.Get <IWorkflowManager>();
workflowManager.StartBatchUpdate();
workflowManager.NavigatePopToState(currentWorkflowState, true);
workflowManager.NavigatePush(currentWorkflowState);
workflowManager.EndBatchUpdate();
}
protected void LeaveMediaItemActionState()
{
IWorkflowManager workflowManager = ServiceRegistration.Get <IWorkflowManager>();
if (_deferredAction?.DoesChangeWorkflow ?? false)
{
workflowManager.StartBatchUpdate();
}
workflowManager.NavigatePop(1);
}
protected static void Navigate(Guid rootWorkflowState, ResourcePath path)
{
IWorkflowManager workflowManager = ServiceRegistration.Get <IWorkflowManager>();
workflowManager.StartBatchUpdate();
try
{
workflowManager.NavigatePopStates(new Guid[] { Consts.WF_STATE_ID_LOCAL_MEDIA_NAVIGATION_ROOT, Consts.WF_STATE_ID_BROWSE_MEDIA_NAVIGATION_ROOT });
workflowManager.NavigatePush(rootWorkflowState);
Share localShare = FindLocalShareContainingPath(path);
if (localShare == null)
{
ServiceRegistration.Get <ILogger>().Warn("AbstractBrowseMediaNavigationScreenData: Cannot navigate to local browse view - no local share countaining path '{0}' found", path);
return;
}
NavigationData nd = MediaNavigationModel.GetNavigationData(workflowManager.CurrentNavigationContext, false);
if (nd == null)
{
return;
}
AbstractMediaRootProxyViewSpecification rootVS = FindParentViewSpecification <AbstractMediaRootProxyViewSpecification>(nd);
if (rootVS == null)
{
return;
}
rootVS.Navigate(localShare, path, navigateVS =>
{
NavigationData currentNd = MediaNavigationModel.GetNavigationData(workflowManager.CurrentNavigationContext, false);
if (currentNd == null)
{
ServiceRegistration.Get <ILogger>().Warn("AbstractBrowseMediaNavigationScreenData: Cannot navigate to local browse view - no navigation data found");
return;
}
AbstractItemsScreenData sd = (AbstractItemsScreenData)currentNd.CurrentScreenData;
sd.NavigateToView(navigateVS);
});
}
finally
{
workflowManager.EndBatchUpdate();
}
}