/**
* Get the complete backstack
*
* @return the complete backstack for every tab
*/
public ConcurrentHashMap<Integer, ArrayList<FragmentStateHolder>> getBackStack() {
ArrayList<FragmentStateHolder> fragmentsStack = mMapOfStacks.get(mCurrentlyShownStack);
FragmentStateHolder currentFragmentStateHolder = fragmentsStack.get(fragmentsStack.size() - 1);
Fragment currentFragment =
mFragmentManager.findFragmentByTag(currentFragmentStateHolder.fragmentTag);
if (currentFragment != null && currentFragment instanceof TomahawkFragment) {
currentFragmentStateHolder.listScrollPosition =
((TomahawkFragment) currentFragment).getListScrollPosition();
fragmentsStack.set(fragmentsStack.size() - 1, currentFragmentStateHolder);
}
return mMapOfStacks;
}
/**
* Get the complete backstack
*
* @return the complete backstack
*/
public ArrayList<FragmentStateHolder> getBackStack() {
FragmentStateHolder currentFragmentStateHolder = getCurrentFragmentStateHolder();
Fragment currentFragment = null;
if (mFragmentManager != null && mFragmentManager.getFragments() != null) {
currentFragment = mFragmentManager.getFragments().get(0);
}
if (currentFragment != null && currentFragment instanceof TomahawkFragment) {
currentFragmentStateHolder.listScrollPosition =
((TomahawkFragment) currentFragment).getListScrollPosition();
mBackstack.set(mBackstack.size() - 1, currentFragmentStateHolder);
}
return mBackstack;
}
/**
* Replaces the {@link Fragment} in the hub with the given hub id and adds it to the backstack, if
* isBackAction is false.
*
* @param fragmentStateHolder {@link FragmentStateHolder} contains all information of the to be
* replaced {@link Fragment}
* @param isBackAction whether or not the replacement is part of an action going back in the
* backstack
*/
public void replace(FragmentStateHolder fragmentStateHolder, boolean isBackAction) {
// Get fragmentsStack for the given (tabs)position
FragmentStateHolder currentFragmentStateHolder = getCurrentFragmentStateHolder();
// Replace the fragment using a transaction.
FragmentTransaction ft = mFragmentManager.beginTransaction();
if (isBackAction) {
mBackstack.remove(currentFragmentStateHolder);
ft.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_CLOSE);
} else {
Fragment currentFragment = null;
if (mFragmentManager != null && mFragmentManager.getFragments() != null) {
currentFragment = mFragmentManager.findFragmentByTag(FRAGMENT_TAG);
}
if (currentFragmentStateHolder != null
&& currentFragment != null
&& currentFragment instanceof TomahawkFragment) {
currentFragmentStateHolder.listScrollPosition =
((TomahawkFragment) currentFragment).getListScrollPosition();
}
mBackstack.add(fragmentStateHolder);
ft.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN);
}
Bundle bundle = new Bundle();
bundle.putString(
fragmentStateHolder.tomahawkListItemType, fragmentStateHolder.tomahawkListItemKey);
bundle.putBoolean(
TomahawkFragment.TOMAHAWK_LIST_ITEM_IS_LOCAL, fragmentStateHolder.tomahawkListItemIsLocal);
bundle.putInt(
TomahawkFragment.TOMAHAWK_LIST_SCROLL_POSITION, fragmentStateHolder.listScrollPosition);
bundle.putString(
SearchableFragment.SEARCHABLEFRAGMENT_QUERY_STRING, fragmentStateHolder.queryString);
ft.replace(
mContentFrameId,
Fragment.instantiate(mTomahawkMainActivity, fragmentStateHolder.clss.getName(), bundle),
FRAGMENT_TAG);
ft.commit();
mTomahawkMainActivity.updateViewVisibility();
}
/** Replaces the view pager fragment at specified position. */
public void replace(int stackId, FragmentStateHolder fragmentStateHolder, boolean isBackAction) {
// Get fragmentsStack for the given (tabs)position
ArrayList<FragmentStateHolder> fragmentStateHolders = mMapOfStacks.get(stackId);
FragmentStateHolder currentFragmentStateHolder =
fragmentStateHolders.get(fragmentStateHolders.size() - 1);
if (currentFragmentStateHolder != null) {
// Replace the fragment using a transaction.
FragmentTransaction ft = mFragmentManager.beginTransaction();
if (isBackAction) {
fragmentStateHolders.remove(currentFragmentStateHolder);
ft.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_CLOSE);
} else {
Fragment currentFragment =
mFragmentManager.findFragmentByTag(currentFragmentStateHolder.fragmentTag);
if (currentFragment != null && currentFragment instanceof TomahawkFragment) {
currentFragmentStateHolder.listScrollPosition =
((TomahawkFragment) currentFragment).getListScrollPosition();
}
fragmentStateHolders.add(fragmentStateHolder);
ft.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN);
}
Bundle bundle = new Bundle();
bundle.putLong(
fragmentStateHolder.tomahawkListItemType, fragmentStateHolder.tomahawkListItemId);
bundle.putInt(
TomahawkFragment.TOMAHAWK_LIST_SCROLL_POSITION, fragmentStateHolder.listScrollPosition);
bundle.putString(
SearchableFragment.SEARCHABLEFRAGMENT_QUERY_STRING, fragmentStateHolder.queryString);
ft.replace(
mContentFrameId,
Fragment.instantiate(mActivity, fragmentStateHolder.clss.getName(), bundle),
fragmentStateHolder.fragmentTag);
ft.commit();
}
mActivity.onBackStackChanged();
}
