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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.settings.inputmethod;
import com.android.settings.R;
import com.android.settings.Utils;
import android.app.AlertDialog;
import android.content.ActivityNotFoundException;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.res.Resources;
import android.preference.Preference;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.textservice.SpellCheckerInfo;
import android.view.textservice.SpellCheckerSubtype;
import android.view.textservice.TextServicesManager;
import android.widget.ImageView;
import android.widget.RadioButton;
import android.widget.Toast;
// TODO: Make this non-persistent.
class SingleSpellCheckerPreference extends Preference {
private static final String TAG = SingleSpellCheckerPreference.class.getSimpleName();
private static final boolean DBG = false;
private final SpellCheckerInfo mSpellCheckerInfo;
private final SpellCheckersSettings mFragment;
private final Resources mRes;
private final TextServicesManager mTsm;
private AlertDialog mDialog = null;
private View mPrefAll;
private RadioButton mRadioButton;
private View mPrefLeftButton;
private View mSettingsButton;
private ImageView mSubtypeButton;
private Intent mSettingsIntent;
private boolean mSelected;
public SingleSpellCheckerPreference(SpellCheckersSettings fragment, SpellCheckerInfo sci,
TextServicesManager tsm) {
super(fragment.getActivity(), null, 0);
mFragment = fragment;
mRes = fragment.getActivity().getResources();
mTsm = tsm;
setLayoutResource(R.layout.preference_spellchecker);
mSpellCheckerInfo = sci;
mSelected = false;
final String settingsActivity = mSpellCheckerInfo.getSettingsActivity();
if (!TextUtils.isEmpty(settingsActivity)) {
mSettingsIntent = new Intent(Intent.ACTION_MAIN);
mSettingsIntent.setClassName(mSpellCheckerInfo.getPackageName(), settingsActivity);
} else {
mSettingsIntent = null;
}
}
@Override
protected void onBindView(View view) {
super.onBindView(view);
mPrefAll = view.findViewById(R.id.pref_all);
mRadioButton = (RadioButton)view.findViewById(R.id.pref_radio);
mPrefLeftButton = view.findViewById(R.id.pref_left_button);
mPrefLeftButton.setOnClickListener(
new OnClickListener() {
@Override
public void onClick(View arg0) {
onLeftButtonClicked(arg0);
}
});
mSubtypeButton = (ImageView)view.findViewById(R.id.pref_right_button2);
mSubtypeButton.setOnClickListener(
new OnClickListener() {
@Override
public void onClick(View arg0) {
onSubtypeButtonClicked(arg0);
}
});
mSettingsButton = view.findViewById(R.id.pref_right_button1);
mSettingsButton.setOnClickListener(
new OnClickListener() {
@Override
public void onClick(View arg0) {
onSettingsButtonClicked(arg0);
}
});
updateSelectedState(mSelected);
}
private void onLeftButtonClicked(View arg0) {
mFragment.onPreferenceClick(this);
}
public SpellCheckerInfo getSpellCheckerInfo() {
return mSpellCheckerInfo;
}
private void updateSelectedState(boolean selected) {
if (mPrefAll != null) {
mRadioButton.setChecked(selected);
enableButtons(selected);
}
}
public void setSelected(boolean selected) {
mSelected = selected;
updateSelectedState(selected);
}
private void onSubtypeButtonClicked(View arg0) {
if (mDialog != null && mDialog.isShowing()) {
mDialog.dismiss();
}
final AlertDialog.Builder builder = new AlertDialog.Builder(mFragment.getActivity());
builder.setTitle(R.string.phone_language);
final int size = mSpellCheckerInfo.getSubtypeCount();
final CharSequence[] items = new CharSequence[size + 1];
items[0] = mRes.getString(R.string.use_system_language_to_select_input_method_subtypes);
for (int i = 0; i < size; ++i) {
final SpellCheckerSubtype subtype = mSpellCheckerInfo.getSubtypeAt(i);
final CharSequence label = subtype.getDisplayName(
mFragment.getActivity(), mSpellCheckerInfo.getPackageName(),
mSpellCheckerInfo.getServiceInfo().applicationInfo);
items[i + 1] = label;
}
// default: "Use system language"
int checkedItem = 0;
// Allow no implicitly selected subtypes
final SpellCheckerSubtype currentScs = mTsm.getCurrentSpellCheckerSubtype(false);
if (currentScs != null) {
for (int i = 0; i < size; ++i) {
if (mSpellCheckerInfo.getSubtypeAt(i).equals(currentScs)) {
checkedItem = i + 1;
break;
}
}
}
builder.setSingleChoiceItems(items, checkedItem, new AlertDialog.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
if (which == 0) {
mTsm.setSpellCheckerSubtype(null);
} else {
mTsm.setSpellCheckerSubtype(mSpellCheckerInfo.getSubtypeAt(which - 1));
}
if (DBG) {
final SpellCheckerSubtype subtype = mTsm.getCurrentSpellCheckerSubtype(true);
Log.d(TAG, "Current spell check locale is "
+ subtype == null ? "null" : subtype.getLocale());
}
dialog.dismiss();
}
});
mDialog = builder.create();
mDialog.show();
}
private void onSettingsButtonClicked(View arg0) {
if (mFragment != null && mSettingsIntent != null) {
try {
mFragment.startActivity(mSettingsIntent);
} catch (ActivityNotFoundException e) {
final String msg = mFragment.getString(R.string.failed_to_open_app_settings_toast,
mSpellCheckerInfo.loadLabel(mFragment.getActivity().getPackageManager()));
Toast.makeText(mFragment.getActivity(), msg, Toast.LENGTH_LONG).show();
}
}
}
private void enableButtons(boolean enabled) {
if (mSettingsButton != null) {
if (mSettingsIntent == null) {
mSettingsButton.setVisibility(View.GONE);
} else {
mSettingsButton.setEnabled(enabled);
mSettingsButton.setClickable(enabled);
mSettingsButton.setFocusable(enabled);
if (!enabled) {
mSettingsButton.setAlpha(Utils.DISABLED_ALPHA);
}
}
}
if (mSubtypeButton != null) {
if (mSpellCheckerInfo.getSubtypeCount() <= 0) {
mSubtypeButton.setVisibility(View.GONE);
} else {
mSubtypeButton.setEnabled(enabled);
mSubtypeButton.setClickable(enabled);
mSubtypeButton.setFocusable(enabled);
if (!enabled) {
mSubtypeButton.setAlpha(Utils.DISABLED_ALPHA);
}
}
}
}
}
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