private void searchEngineSelected(int position) {
// First clean up any automatically added permissions (if any) for the previously selected
// search engine.
SharedPreferences sharedPreferences = ContextUtils.getAppSharedPreferences();
if (sharedPreferences.getBoolean(PrefServiceBridge.LOCATION_AUTO_ALLOWED, false)) {
if (locationEnabled(mSelectedSearchEnginePosition, false)) {
String url =
TemplateUrlService.getInstance()
.getSearchEngineUrlFromTemplateUrl(toIndex(mSelectedSearchEnginePosition));
WebsitePreferenceBridge.nativeSetGeolocationSettingForOrigin(
url, url, ContentSetting.DEFAULT.toInt(), false);
}
sharedPreferences.edit().remove(PrefServiceBridge.LOCATION_AUTO_ALLOWED).apply();
}
// Record the change in search engine.
mSelectedSearchEnginePosition = position;
TemplateUrlService.getInstance().setSearchEngine(toIndex(mSelectedSearchEnginePosition));
// Report the change back.
TemplateUrl templateUrl = mSearchEngines.get(mSelectedSearchEnginePosition);
mCallback.currentSearchEngineDetermined(templateUrl.getShortName());
notifyDataSetChanged();
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View view = convertView;
if (convertView == null) {
view = mLayoutInflater.inflate(R.layout.search_engine, null);
}
view.setOnClickListener(this);
view.setTag(position);
// TODO(finnur): There's a tinting bug in the AppCompat lib (see http://crbug.com/474695),
// which causes the first radiobox to always appear selected, even if it is not. It is being
// addressed, but in the meantime we should use the native RadioButton instead.
RadioButton radioButton = (RadioButton) view.findViewById(R.id.radiobutton);
// On Lollipop this removes the redundant animation ring on selection but on older versions
// it would cause the radio button to disappear.
// TODO(finnur): Remove the encompassing if statement once we go back to using the AppCompat
// control.
final boolean selected = position == mSelectedSearchEnginePosition;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
radioButton.setBackgroundResource(0);
}
radioButton.setChecked(selected);
TextView description = (TextView) view.findViewById(R.id.description);
TemplateUrl templateUrl = mSearchEngines.get(position);
Resources resources = mContext.getResources();
description.setText(templateUrl.getShortName());
// To improve the explore-by-touch experience, the radio button is hidden from accessibility
// and instead, "checked" or "not checked" is read along with the search engine's name, e.g.
// "google.com checked" or "google.com not checked".
radioButton.setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_NO);
description.setAccessibilityDelegate(
new AccessibilityDelegate() {
@Override
public void onInitializeAccessibilityEvent(View host, AccessibilityEvent event) {
super.onInitializeAccessibilityEvent(host, event);
event.setChecked(selected);
}
@Override
public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfo info) {
super.onInitializeAccessibilityNodeInfo(host, info);
info.setCheckable(true);
info.setChecked(selected);
}
});
TextView link = (TextView) view.findViewById(R.id.link);
link.setVisibility(selected ? View.VISIBLE : View.GONE);
if (selected) {
ForegroundColorSpan linkSpan =
new ForegroundColorSpan(
ApiCompatibilityUtils.getColor(resources, R.color.pref_accent_color));
if (LocationSettings.getInstance().isSystemLocationSettingEnabled()) {
String message =
mContext.getString(
locationEnabled(position, true)
? R.string.search_engine_location_allowed
: R.string.search_engine_location_blocked);
SpannableString messageWithLink = new SpannableString(message);
messageWithLink.setSpan(linkSpan, 0, messageWithLink.length(), 0);
link.setText(messageWithLink);
} else {
link.setText(
SpanApplier.applySpans(
mContext.getString(R.string.android_location_off),
new SpanInfo("<link>", "</link>", linkSpan)));
}
link.setOnClickListener(this);
}
return view;
}
@Override
public Object getItem(int pos) {
TemplateUrl templateUrl = mSearchEngines.get(pos);
return templateUrl.getShortName();
}