protected virtual void OnBeforeFragmentChanging(FragmentTransaction ft, Fragment fragment, MvxFragmentPresentationAttribute attribute)
{
if (attribute.SharedElements != null)
{
foreach (var item in attribute.SharedElements)
{
string name = item.Key;
if (string.IsNullOrEmpty(name))
{
name = ViewCompat.GetTransitionName(item.Value);
}
ft.AddSharedElement(item.Value, name);
}
}
if (!attribute.EnterAnimation.Equals(int.MinValue) && !attribute.ExitAnimation.Equals(int.MinValue))
{
if (!attribute.PopEnterAnimation.Equals(int.MinValue) && !attribute.PopExitAnimation.Equals(int.MinValue))
{
ft.SetCustomAnimations(attribute.EnterAnimation, attribute.ExitAnimation, attribute.PopEnterAnimation, attribute.PopExitAnimation);
}
else
{
ft.SetCustomAnimations(attribute.EnterAnimation, attribute.ExitAnimation);
}
}
if (attribute.TransitionStyle != int.MinValue)
{
ft.SetTransitionStyle(attribute.TransitionStyle);
}
}
protected virtual void OnBeforeFragmentChanging(FragmentTransaction ft, MvxFragmentPresentationAttribute attribute)
{
if (attribute.SharedElements != null)
{
foreach (var item in attribute.SharedElements)
{
ft.AddSharedElement(item.Value, item.Key);
}
}
if (!attribute.EnterAnimation.Equals(int.MinValue) && !attribute.ExitAnimation.Equals(int.MinValue))
{
if (!attribute.PopEnterAnimation.Equals(int.MinValue) && !attribute.PopExitAnimation.Equals(int.MinValue))
{
ft.SetCustomAnimations(attribute.EnterAnimation, attribute.ExitAnimation, attribute.PopEnterAnimation, attribute.PopExitAnimation);
}
else
{
ft.SetCustomAnimations(attribute.EnterAnimation, attribute.ExitAnimation);
}
}
if (attribute.TransitionStyle != int.MinValue)
{
ft.SetTransitionStyle(attribute.TransitionStyle);
}
}
protected virtual void OnBeforeFragmentChanging(FragmentTransaction ft, Fragment fragment, MvxFragmentPresentationAttribute attribute, MvxViewModelRequest request)
{
if (CurrentActivity is IMvxAndroidSharedElements sharedElementsActivity)
{
var elements = new List <string>();
foreach (KeyValuePair <string, View> item in sharedElementsActivity.FetchSharedElementsToAnimate(attribute, request))
{
var transitionName = item.Value.GetTransitionNameSupport();
if (!string.IsNullOrEmpty(transitionName))
{
ft.AddSharedElement(item.Value, transitionName);
elements.Add($"{item.Key}:{transitionName}");
}
else
{
MvxLog.Instance.Warn("A XML transitionName is required in order to transition a control when navigating.");
}
}
if (elements.Count > 0)
{
fragment.Arguments.PutString(SharedElementsBundleKey, string.Join("|", elements));
}
}
if (!attribute.EnterAnimation.Equals(int.MinValue) && !attribute.ExitAnimation.Equals(int.MinValue))
{
if (!attribute.PopEnterAnimation.Equals(int.MinValue) && !attribute.PopExitAnimation.Equals(int.MinValue))
{
ft.SetCustomAnimations(attribute.EnterAnimation, attribute.ExitAnimation, attribute.PopEnterAnimation, attribute.PopExitAnimation);
}
else
{
ft.SetCustomAnimations(attribute.EnterAnimation, attribute.ExitAnimation);
}
}
if (attribute.TransitionStyle != int.MinValue)
{
ft.SetTransitionStyle(attribute.TransitionStyle);
}
}
protected virtual void SetAnimationsOnTransaction(FragmentTransaction fragmentTransaction,
MvxFragmentPresentationAttribute attribute)
{
if (fragmentTransaction == null)
{
return;
}
if (attribute == null)
{
return;
}
if (attribute.EnterAnimation != int.MinValue &&
attribute.ExitAnimation != int.MinValue)
{
if (attribute.PopEnterAnimation != int.MinValue &&
attribute.PopExitAnimation != int.MinValue)
{
fragmentTransaction.SetCustomAnimations(
attribute.EnterAnimation,
attribute.ExitAnimation,
attribute.PopEnterAnimation,
attribute.PopExitAnimation);
}
else
{
fragmentTransaction.SetCustomAnimations(
attribute.EnterAnimation,
attribute.ExitAnimation);
}
}
if (attribute.TransitionStyle != int.MinValue)
{
fragmentTransaction.SetTransitionStyle(attribute.TransitionStyle);
}
}
protected virtual void PopFragment(FragmentManager fragmentManager, FragmentTransaction fragmentTransaction, MvxFragmentPresentationAttribute fragmentAttribute, string fragmentName, bool removeIsNeeded = false, bool forward = false)
{
fragmentAttribute = fragmentAttribute ?? DeqeueFragmentAttributeIfExist(fragmentName);
if (fragmentAttribute != null)
{
if (!fragmentAttribute.EnterAnimation.Equals(int.MinValue) && !fragmentAttribute.ExitAnimation.Equals(int.MinValue))
{
if (!fragmentAttribute.PopEnterAnimation.Equals(int.MinValue) && !fragmentAttribute.PopExitAnimation.Equals(int.MinValue))
{
fragmentTransaction.SetCustomAnimations(fragmentAttribute.EnterAnimation, fragmentAttribute.ExitAnimation, fragmentAttribute.PopEnterAnimation, fragmentAttribute.PopExitAnimation);
}
else
{
fragmentTransaction.SetCustomAnimations(fragmentAttribute.EnterAnimation, fragmentAttribute.ExitAnimation);
}
}
if (fragmentAttribute.TransitionStyle != int.MinValue)
{
fragmentTransaction.SetTransitionStyle(fragmentAttribute.TransitionStyle);
}
}
if ((FragmentsBackStack.LastOrDefault(x => x.Key == fragmentName)?.ViewModel as IBaseViewModel)?.VmNavigationType == NavigationType.PresentModal)
{
lock (this)
{
_presentedModalFragments--;
}
}
var oldFragment = fragmentManager.FindFragmentByTag(fragmentName);
if (oldFragment != null)
{
if (!oldFragment.IsDetached)
{
if (removeIsNeeded)
{
RemoveFragmentFromBackStack(fragmentName);
fragmentTransaction.Remove(oldFragment);
}
else
{
fragmentTransaction.Detach(oldFragment);
}
}
else if (removeIsNeeded)
{
RemoveFragmentFromBackStack(fragmentName);
fragmentTransaction.Remove(oldFragment);
}
if (!forward)
{
OnFragmentPopped(fragmentTransaction, oldFragment, null);
}
}
}
