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Merge "Back region to lang selection: preserve search & position" into nyc-dev

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am: e47b0d4fc2

* commit 'e47b0d4fc215458c8795c1e014dee63e899a94c9':
  Back region to lang selection: preserve search & position
This commit is contained in:
Mihai Nita
2016-03-07 23:21:33 +00:00
committed by android-build-merger
parent bbe2f4aa7c e47b0d4fc2
commit efc4c3a90b
1 changed files with 46 additions and 5 deletions
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51
core/java/com/android/internal/app/LocalePickerWithRegion.java
View File

@@ -21,6 +21,7 @@ import android.app.FragmentTransaction;
import android.app.ListFragment;
import android.content.Context;
import android.os.Bundle;
import android.text.TextUtils;
import android.util.LocaleList;
import android.view.Menu;
import android.view.MenuInflater;
@@ -50,6 +51,11 @@ public class LocalePickerWithRegion extends ListFragment implements SearchView.O
private Set<LocaleStore.LocaleInfo> mLocaleList;
private LocaleStore.LocaleInfo mParentLocale;
private boolean mTranslatedOnly = false;
private SearchView mSearchView = null;
private CharSequence mPreviousSearch = null;
private boolean mPreviousSearchHadFocus = false;
private int mFirstVisiblePosition = 0;
private int mTopDistance = 0;
/**
* Other classes can register to be notified when a locale was selected.
@@ -154,14 +160,34 @@ public class LocalePickerWithRegion extends ListFragment implements SearchView.O
super.onResume();
if (mParentLocale != null) {
this.getActivity().setTitle(mParentLocale.getFullNameNative());
getActivity().setTitle(mParentLocale.getFullNameNative());
} else {
this.getActivity().setTitle(R.string.language_selection_title);
getActivity().setTitle(R.string.language_selection_title);
}
getListView().requestFocus();
}
@Override
public void onPause() {
super.onPause();
// Save search status
if (mSearchView != null) {
mPreviousSearchHadFocus = mSearchView.hasFocus();
mPreviousSearch = mSearchView.getQuery();
} else {
mPreviousSearchHadFocus = false;
mPreviousSearch = null;
}
// Save scroll position
final ListView list = getListView();
final View firstChild = list.getChildAt(0);
mFirstVisiblePosition = list.getFirstVisiblePosition();
mTopDistance = (firstChild == null) ? 0 : (firstChild.getTop() - list.getPaddingTop());
}
@Override
public void onListItemClick(ListView l, View v, int position, long id) {
final LocaleStore.LocaleInfo locale =
@@ -193,12 +219,27 @@ public class LocalePickerWithRegion extends ListFragment implements SearchView.O
if (mParentLocale == null) {
inflater.inflate(R.menu.language_selection_list, menu);
MenuItem mSearchMenuItem = menu.findItem(R.id.locale_search_menu);
SearchView mSearchView = (SearchView) mSearchMenuItem.getActionView();
final MenuItem searchMenuItem = menu.findItem(R.id.locale_search_menu);
mSearchView = (SearchView) searchMenuItem.getActionView();
mSearchView.setQueryHint(getText(R.string.search_language_hint));
mSearchView.setOnQueryTextListener(this);
mSearchView.setQuery("", false /* submit */);
// Restore previous search status
if (!TextUtils.isEmpty(mPreviousSearch)) {
searchMenuItem.expandActionView();
mSearchView.setIconified(false);
mSearchView.setActivated(true);
if (mPreviousSearchHadFocus) {
mSearchView.requestFocus();
}
mSearchView.setQuery(mPreviousSearch, true /* submit */);
} else {
mSearchView.setQuery(null, false /* submit */);
}
// Restore previous scroll position
getListView().setSelectionFromTop(mFirstVisiblePosition, mTopDistance);
}
}