public async void GetMegaContacts()
{
// User must be online to perform this operation
if (!await IsUserOnlineAsync())
{
return;
}
// First cancel any other loading task that is busy
CancelLoad();
// Create the option to cancel
CreateLoadCancelOption();
await OnUiThreadAsync(() => this.ItemCollection.Clear());
MUserList contactsList = this.MegaSdk.getContacts();
await Task.Factory.StartNew(() =>
{
try
{
for (int i = 0; i < contactsList.size(); i++)
{
// If the task has been cancelled, stop processing
if (LoadingCancelToken.IsCancellationRequested)
{
LoadingCancelToken.ThrowIfCancellationRequested();
}
// To avoid null values
if (contactsList.get(i) == null)
{
continue;
}
if (contactsList.get(i).getVisibility() != MUserVisibility.VISIBILITY_VISIBLE)
{
continue;
}
var megaContact = new ContactViewModel(contactsList.get(i), this);
OnUiThread(() => this.ItemCollection.Items.Add(megaContact));
megaContact.GetContactFirstname();
megaContact.GetContactLastname();
megaContact.GetContactAvatarColor();
megaContact.GetContactAvatar();
}
}
catch (OperationCanceledException)
{
// Do nothing. Just exit this background process because a cancellation exception has been thrown
}
}, LoadingCancelToken, TaskCreationOptions.PreferFairness, TaskScheduler.Current);
this.SortBy(this.CurrentOrder, this.ItemCollection.CurrentOrderDirection);
}
public async void onUsersUpdate(MegaSDK api, MUserList users)
{
// Exit methods when users list is incorrect
if (users == null || users.size() < 1)
{
return;
}
// Retrieve the listsize for performance reasons and store local
int listSize = users.size();
for (int i = 0; i < listSize; i++)
{
MUser user = users.get(i);
if (user == null)
{
continue;
}
// If the change is on the current user
if (user.getHandle().Equals(api.getMyUser().getHandle()) && !Convert.ToBoolean(user.isOwnChange()))
{
if (user.hasChanged((int)MUserChangeType.CHANGE_TYPE_AVATAR) &&
!string.IsNullOrWhiteSpace(AccountService.UserData.AvatarPath))
{
AccountService.GetUserAvatar();
}
if (user.hasChanged((int)MUserChangeType.CHANGE_TYPE_EMAIL))
{
await AccountService.GetUserEmail();
}
if (user.hasChanged((int)MUserChangeType.CHANGE_TYPE_FIRSTNAME))
{
AccountService.GetUserFirstname();
}
if (user.hasChanged((int)MUserChangeType.CHANGE_TYPE_LASTNAME))
{
AccountService.GetUserLastname();
}
}
else // If the change is on a contact
{
OnContactUpdated(user);
}
}
}
public void onUsersUpdate(MegaSDK api, MUserList users)
{
if (users == null || users.size() < 1)
{
return;
}
for (int i = 0; i < users.size(); i++)
{
MUser user = users.get(i);
if (user == null)
{
continue;
}
// If the change is on the current user
if (user.getHandle().Equals(api.getMyUser().getHandle()) && !Convert.ToBoolean(user.isOwnChange()))
{
if (user.hasChanged((int)MUserChangeType.CHANGE_TYPE_AVATAR) &&
!String.IsNullOrWhiteSpace(AccountService.AccountDetails.AvatarPath))
{
api.getUserAvatar(user, AccountService.AccountDetails.AvatarPath,
new GetUserAvatarRequestListener());
}
if (user.hasChanged((int)MUserChangeType.CHANGE_TYPE_EMAIL))
{
Deployment.Current.Dispatcher.BeginInvoke(() =>
AccountService.AccountDetails.UserEmail = user.getEmail());
}
if (user.hasChanged((int)MUserChangeType.CHANGE_TYPE_FIRSTNAME))
{
api.getUserAttribute(user, (int)MUserAttrType.USER_ATTR_FIRSTNAME,
new GetUserDataRequestListener());
}
if (user.hasChanged((int)MUserChangeType.CHANGE_TYPE_LASTNAME))
{
api.getUserAttribute(user, (int)MUserAttrType.USER_ATTR_LASTNAME,
new GetUserDataRequestListener());
}
}
else // If the change is on a contact
{
// If there are any ContactsViewModel active
foreach (var contactViewModel in Contacts)
{
Contact existingContact = contactViewModel.MegaContactsList.FirstOrDefault(
contact => contact.Handle.Equals(user.getHandle()));
// If the contact exists in the contact list
if (existingContact != null)
{
// If the contact is no longer a contact (REMOVE CONTACT SCENARIO)
if (!existingContact.Visibility.Equals(user.getVisibility()) &&
!(user.getVisibility().Equals(MUserVisibility.VISIBILITY_VISIBLE)))
{
Deployment.Current.Dispatcher.BeginInvoke(() =>
contactViewModel.MegaContactsList.Remove(existingContact));
}
// If the contact has been changed (UPDATE CONTACT SCENARIO) and is not an own change
else if (!Convert.ToBoolean(user.isOwnChange()))
{
if (user.hasChanged((int)MUserChangeType.CHANGE_TYPE_AVATAR) &&
!String.IsNullOrWhiteSpace(existingContact.AvatarPath))
{
api.getUserAvatar(user, existingContact.AvatarPath,
new GetContactAvatarRequestListener(existingContact));
}
if (user.hasChanged((int)MUserChangeType.CHANGE_TYPE_EMAIL))
{
Deployment.Current.Dispatcher.BeginInvoke(() =>
existingContact.Email = user.getEmail());
}
if (user.hasChanged((int)MUserChangeType.CHANGE_TYPE_FIRSTNAME))
{
api.getUserAttribute(user, (int)MUserAttrType.USER_ATTR_FIRSTNAME,
new GetContactDataRequestListener(existingContact));
}
if (user.hasChanged((int)MUserChangeType.CHANGE_TYPE_LASTNAME))
{
api.getUserAttribute(user, (int)MUserAttrType.USER_ATTR_LASTNAME,
new GetContactDataRequestListener(existingContact));
}
}
}
// If is a new contact (ADD CONTACT SCENARIO - REQUEST ACCEPTED)
else if (user.getVisibility().Equals(MUserVisibility.VISIBILITY_VISIBLE))
{
var _megaContact = new Contact()
{
Handle = user.getHandle(),
Email = user.getEmail(),
Timestamp = user.getTimestamp(),
Visibility = user.getVisibility(),
AvatarColor = UiService.GetColorFromHex(SdkService.MegaSdk.getUserAvatarColor(user))
};
Deployment.Current.Dispatcher.BeginInvoke(() =>
contactViewModel.MegaContactsList.Add(_megaContact));
api.getUserAttribute(user, (int)MUserAttrType.USER_ATTR_FIRSTNAME,
new GetContactDataRequestListener(_megaContact));
api.getUserAttribute(user, (int)MUserAttrType.USER_ATTR_LASTNAME,
new GetContactDataRequestListener(_megaContact));
api.getUserAvatar(user, _megaContact.AvatarPath,
new GetContactAvatarRequestListener(_megaContact));
}
}
// If there are any ContactDetailsViewModel active
foreach (var contactDetailsViewModel in ContactsDetails)
{
// If the selected contact has been changed (UPDATE CONTACT SCENARIO)
if (contactDetailsViewModel.SelectedContact.Handle.Equals(user.getHandle()))
{
if (user.hasChanged((int)MUserChangeType.CHANGE_TYPE_AVATAR) &&
!String.IsNullOrWhiteSpace(contactDetailsViewModel.SelectedContact.AvatarPath))
{
api.getUserAvatar(user, contactDetailsViewModel.SelectedContact.AvatarPath,
new GetContactAvatarRequestListener(contactDetailsViewModel.SelectedContact));
}
if (user.hasChanged((int)MUserChangeType.CHANGE_TYPE_EMAIL))
{
Deployment.Current.Dispatcher.BeginInvoke(() =>
contactDetailsViewModel.SelectedContact.Email = user.getEmail());
}
if (user.hasChanged((int)MUserChangeType.CHANGE_TYPE_FIRSTNAME))
{
api.getUserAttribute(user, (int)MUserAttrType.USER_ATTR_FIRSTNAME,
new GetContactDataRequestListener(contactDetailsViewModel.SelectedContact));
}
if (user.hasChanged((int)MUserChangeType.CHANGE_TYPE_LASTNAME))
{
api.getUserAttribute(user, (int)MUserAttrType.USER_ATTR_LASTNAME,
new GetContactDataRequestListener(contactDetailsViewModel.SelectedContact));
}
}
}
}
}
}
public void onUsersUpdate(MegaSDK api, MUserList users)
{
// Users update
}
public void GetMegaContacts()
{
// User must be online to perform this operation
if (!IsUserOnline())
{
return;
}
// First cancel any other loading task that is busy
CancelLoad();
// Create the option to cancel
CreateLoadCancelOption();
SetEmptyContentTemplate(true);
OnUiThread(() => MegaContactsList.Clear());
MUserList contactsList = this.MegaSdk.getContacts();
Task.Factory.StartNew(() =>
{
try
{
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
for (int i = 0; i < contactsList.size(); i++)
{
// If the task has been cancelled, stop processing
if (LoadingCancelToken.IsCancellationRequested)
{
LoadingCancelToken.ThrowIfCancellationRequested();
}
// To avoid null values
if (contactsList.get(i) == null)
{
continue;
}
if ((contactsList.get(i).getVisibility() == MUserVisibility.VISIBILITY_VISIBLE))
{
var _megaContact = new Contact()
{
Handle = contactsList.get(i).getHandle(),
Email = contactsList.get(i).getEmail(),
Timestamp = contactsList.get(i).getTimestamp(),
Visibility = contactsList.get(i).getVisibility(),
AvatarColor = UiService.GetColorFromHex(SdkService.MegaSdk.getUserAvatarColor(contactsList.get(i)))
};
MegaContactsList.Add(_megaContact);
MegaSdk.getUserAttribute(contactsList.get(i), (int)MUserAttrType.USER_ATTR_FIRSTNAME,
new GetContactDataRequestListener(_megaContact));
MegaSdk.getUserAttribute(contactsList.get(i), (int)MUserAttrType.USER_ATTR_LASTNAME,
new GetContactDataRequestListener(_megaContact));
MegaSdk.getUserAvatar(contactsList.get(i), _megaContact.AvatarPath,
new GetContactAvatarRequestListener(_megaContact));
}
}
SetEmptyContentTemplate(false);
});
}
catch (OperationCanceledException)
{
// Do nothing. Just exit this background process because a cancellation exception has been thrown
}
}, LoadingCancelToken, TaskCreationOptions.PreferFairness, TaskScheduler.Current);
}
public void onUsersUpdate(MegaSDK api, MUserList users)
{
// Do nothing
}