public void restoreFromStateWrapper(SavedStateWrapper mSavedState, Activity context) {
if (mSavedState != null) {
mActive = mSavedState.mActive;
for (Crumb c : mSavedState.mCrumbs) {
if (c.getFile().isDocumentTreeFile())
((DocumentFileWrapper) c.getFile()).restoreWrapped(context);
addCrumb(c, false);
}
requestLayout();
setVisibility(mSavedState.mVisibility);
}
}
public void setActiveOrAdd(@NonNull Crumb crumb, boolean forceRecreate) {
if (forceRecreate || !setActive(crumb)) {
clearCrumbs();
final List<File> newPathSet = new ArrayList<>();
newPathSet.add(0, crumb.getFile());
File p = crumb.getFile();
if (!isStorageOrSd(p)) {
while ((p = p.getParent()) != null) {
newPathSet.add(0, p);
if (isStorageOrSd(p)) break;
}
}
for (int index = 0; index < newPathSet.size(); index++) {
final File fi = newPathSet.get(index);
crumb = new Crumb(fi);
// Restore scroll positions saved before clearing
if (mOldCrumbs != null) {
for (Iterator<Crumb> iterator = mOldCrumbs.iterator(); iterator.hasNext(); ) {
Crumb old = iterator.next();
if (old.equals(crumb)) {
crumb.setScrollPosition(old.getScrollPosition());
crumb.setScrollOffset(old.getScrollOffset());
crumb.setQuery(old.getQuery());
iterator.remove(); // minimize number of linear passes by removing un-used crumbs from
// history
break;
}
}
}
addCrumb(crumb, true);
}
// History no longer needed
mOldCrumbs = null;
} else {
if (isStorageOrSd(crumb.getFile())) {
Crumb c = mCrumbs.get(0);
while (c != null && !isStorageOrSd(c.getFile())) {
removeCrumbAt(0);
if (mCrumbs.size() > 0) c = mCrumbs.get(0);
}
updateIndices();
requestLayout();
}
}
}