319 lines
14 KiB
Java
319 lines
14 KiB
Java
/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.inputmethod.latin.settings;
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import android.app.AlertDialog;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.content.SharedPreferences;
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import android.content.res.Resources;
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import android.os.Bundle;
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import android.preference.Preference;
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import android.preference.PreferenceFragment;
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import android.preference.PreferenceGroup;
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import androidx.core.view.ViewCompat;
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import android.text.TextUtils;
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import android.util.Log;
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import android.view.LayoutInflater;
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import android.view.Menu;
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import android.view.MenuInflater;
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import android.view.MenuItem;
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import android.view.View;
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import android.view.ViewGroup;
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import android.view.inputmethod.InputMethodSubtype;
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import android.widget.Toast;
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import com.android.inputmethod.latin.R;
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import com.android.inputmethod.latin.RichInputMethodManager;
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import com.android.inputmethod.latin.utils.AdditionalSubtypeUtils;
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import com.android.inputmethod.latin.utils.DialogUtils;
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import com.android.inputmethod.latin.utils.IntentUtils;
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import com.android.inputmethod.latin.utils.SubtypeLocaleUtils;
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import java.util.ArrayList;
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public final class CustomInputStyleSettingsFragment extends PreferenceFragment
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implements CustomInputStylePreference.Listener {
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private static final String TAG = CustomInputStyleSettingsFragment.class.getSimpleName();
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// Note: We would like to turn this debug flag true in order to see what input styles are
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// defined in a bug-report.
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private static final boolean DEBUG_CUSTOM_INPUT_STYLES = true;
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private RichInputMethodManager mRichImm;
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private SharedPreferences mPrefs;
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private CustomInputStylePreference.SubtypeLocaleAdapter mSubtypeLocaleAdapter;
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private CustomInputStylePreference.KeyboardLayoutSetAdapter mKeyboardLayoutSetAdapter;
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private boolean mIsAddingNewSubtype;
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private AlertDialog mSubtypeEnablerNotificationDialog;
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private String mSubtypePreferenceKeyForSubtypeEnabler;
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private static final String KEY_IS_ADDING_NEW_SUBTYPE = "is_adding_new_subtype";
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private static final String KEY_IS_SUBTYPE_ENABLER_NOTIFICATION_DIALOG_OPEN =
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"is_subtype_enabler_notification_dialog_open";
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private static final String KEY_SUBTYPE_FOR_SUBTYPE_ENABLER = "subtype_for_subtype_enabler";
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public CustomInputStyleSettingsFragment() {
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// Empty constructor for fragment generation.
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}
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static void updateCustomInputStylesSummary(final Preference pref) {
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// When we are called from the Settings application but we are not already running, some
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// singleton and utility classes may not have been initialized. We have to call
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// initialization method of these classes here. See {@link LatinIME#onCreate()}.
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SubtypeLocaleUtils.init(pref.getContext());
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final Resources res = pref.getContext().getResources();
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final SharedPreferences prefs = pref.getSharedPreferences();
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final String prefSubtype = Settings.readPrefAdditionalSubtypes(prefs, res);
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final InputMethodSubtype[] subtypes =
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AdditionalSubtypeUtils.createAdditionalSubtypesArray(prefSubtype);
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final ArrayList<String> subtypeNames = new ArrayList<>();
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for (final InputMethodSubtype subtype : subtypes) {
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subtypeNames.add(SubtypeLocaleUtils.getSubtypeDisplayNameInSystemLocale(subtype));
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}
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// TODO: A delimiter of custom input styles should be localized.
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pref.setSummary(TextUtils.join(", ", subtypeNames));
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}
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@Override
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public void onCreate(final Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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mPrefs = getPreferenceManager().getSharedPreferences();
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RichInputMethodManager.init(getActivity());
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mRichImm = RichInputMethodManager.getInstance();
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addPreferencesFromResource(R.xml.additional_subtype_settings);
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setHasOptionsMenu(true);
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}
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@Override
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public View onCreateView(final LayoutInflater inflater, final ViewGroup container,
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final Bundle savedInstanceState) {
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final View view = super.onCreateView(inflater, container, savedInstanceState);
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// For correct display in RTL locales, we need to set the layout direction of the
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// fragment's top view.
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ViewCompat.setLayoutDirection(view, ViewCompat.LAYOUT_DIRECTION_LOCALE);
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return view;
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}
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@Override
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public void onActivityCreated(final Bundle savedInstanceState) {
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final Context context = getActivity();
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mSubtypeLocaleAdapter = new CustomInputStylePreference.SubtypeLocaleAdapter(context);
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mKeyboardLayoutSetAdapter =
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new CustomInputStylePreference.KeyboardLayoutSetAdapter(context);
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final String prefSubtypes =
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Settings.readPrefAdditionalSubtypes(mPrefs, getResources());
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if (DEBUG_CUSTOM_INPUT_STYLES) {
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Log.i(TAG, "Load custom input styles: " + prefSubtypes);
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}
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setPrefSubtypes(prefSubtypes, context);
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mIsAddingNewSubtype = (savedInstanceState != null)
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&& savedInstanceState.containsKey(KEY_IS_ADDING_NEW_SUBTYPE);
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if (mIsAddingNewSubtype) {
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getPreferenceScreen().addPreference(
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CustomInputStylePreference.newIncompleteSubtypePreference(context, this));
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}
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super.onActivityCreated(savedInstanceState);
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if (savedInstanceState != null && savedInstanceState.containsKey(
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KEY_IS_SUBTYPE_ENABLER_NOTIFICATION_DIALOG_OPEN)) {
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mSubtypePreferenceKeyForSubtypeEnabler = savedInstanceState.getString(
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KEY_SUBTYPE_FOR_SUBTYPE_ENABLER);
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mSubtypeEnablerNotificationDialog = createDialog();
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mSubtypeEnablerNotificationDialog.show();
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}
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}
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@Override
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public void onSaveInstanceState(final Bundle outState) {
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super.onSaveInstanceState(outState);
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if (mIsAddingNewSubtype) {
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outState.putBoolean(KEY_IS_ADDING_NEW_SUBTYPE, true);
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}
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if (mSubtypeEnablerNotificationDialog != null
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&& mSubtypeEnablerNotificationDialog.isShowing()) {
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outState.putBoolean(KEY_IS_SUBTYPE_ENABLER_NOTIFICATION_DIALOG_OPEN, true);
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outState.putString(
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KEY_SUBTYPE_FOR_SUBTYPE_ENABLER, mSubtypePreferenceKeyForSubtypeEnabler);
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}
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}
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@Override
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public void onRemoveCustomInputStyle(final CustomInputStylePreference stylePref) {
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mIsAddingNewSubtype = false;
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final PreferenceGroup group = getPreferenceScreen();
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group.removePreference(stylePref);
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mRichImm.setAdditionalInputMethodSubtypes(getSubtypes());
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}
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@Override
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public void onSaveCustomInputStyle(final CustomInputStylePreference stylePref) {
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final InputMethodSubtype subtype = stylePref.getSubtype();
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if (!stylePref.hasBeenModified()) {
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return;
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}
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if (findDuplicatedSubtype(subtype) == null) {
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mRichImm.setAdditionalInputMethodSubtypes(getSubtypes());
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return;
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}
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// Saved subtype is duplicated.
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final PreferenceGroup group = getPreferenceScreen();
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group.removePreference(stylePref);
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stylePref.revert();
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group.addPreference(stylePref);
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showSubtypeAlreadyExistsToast(subtype);
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}
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@Override
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public void onAddCustomInputStyle(final CustomInputStylePreference stylePref) {
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mIsAddingNewSubtype = false;
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final InputMethodSubtype subtype = stylePref.getSubtype();
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if (findDuplicatedSubtype(subtype) == null) {
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mRichImm.setAdditionalInputMethodSubtypes(getSubtypes());
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mSubtypePreferenceKeyForSubtypeEnabler = stylePref.getKey();
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mSubtypeEnablerNotificationDialog = createDialog();
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mSubtypeEnablerNotificationDialog.show();
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return;
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}
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// Newly added subtype is duplicated.
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final PreferenceGroup group = getPreferenceScreen();
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group.removePreference(stylePref);
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showSubtypeAlreadyExistsToast(subtype);
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}
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@Override
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public CustomInputStylePreference.SubtypeLocaleAdapter getSubtypeLocaleAdapter() {
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return mSubtypeLocaleAdapter;
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}
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@Override
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public CustomInputStylePreference.KeyboardLayoutSetAdapter getKeyboardLayoutSetAdapter() {
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return mKeyboardLayoutSetAdapter;
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}
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private void showSubtypeAlreadyExistsToast(final InputMethodSubtype subtype) {
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final Context context = getActivity();
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final Resources res = context.getResources();
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final String message = res.getString(R.string.custom_input_style_already_exists,
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SubtypeLocaleUtils.getSubtypeDisplayNameInSystemLocale(subtype));
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Toast.makeText(context, message, Toast.LENGTH_SHORT).show();
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}
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private InputMethodSubtype findDuplicatedSubtype(final InputMethodSubtype subtype) {
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final String localeString = subtype.getLocale();
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final String keyboardLayoutSetName = SubtypeLocaleUtils.getKeyboardLayoutSetName(subtype);
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return mRichImm.findSubtypeByLocaleAndKeyboardLayoutSet(
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localeString, keyboardLayoutSetName);
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}
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private AlertDialog createDialog() {
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final String imeId = mRichImm.getInputMethodIdOfThisIme();
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final AlertDialog.Builder builder = new AlertDialog.Builder(
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DialogUtils.getPlatformDialogThemeContext(getActivity()));
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builder.setTitle(R.string.custom_input_styles_title)
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.setMessage(R.string.custom_input_style_note_message)
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.setNegativeButton(R.string.not_now, null)
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.setPositiveButton(R.string.enable, new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {
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final Intent intent = IntentUtils.getInputLanguageSelectionIntent(
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imeId,
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Intent.FLAG_ACTIVITY_NEW_TASK
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| Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED
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| Intent.FLAG_ACTIVITY_CLEAR_TOP);
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// TODO: Add newly adding subtype to extra value of the intent as a hint
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// for the input language selection activity.
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// intent.putExtra("newlyAddedSubtype", subtypePref.getSubtype());
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startActivity(intent);
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}
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});
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return builder.create();
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}
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private void setPrefSubtypes(final String prefSubtypes, final Context context) {
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final PreferenceGroup group = getPreferenceScreen();
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group.removeAll();
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final InputMethodSubtype[] subtypesArray =
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AdditionalSubtypeUtils.createAdditionalSubtypesArray(prefSubtypes);
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for (final InputMethodSubtype subtype : subtypesArray) {
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final CustomInputStylePreference pref =
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new CustomInputStylePreference(context, subtype, this);
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group.addPreference(pref);
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}
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}
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private InputMethodSubtype[] getSubtypes() {
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final PreferenceGroup group = getPreferenceScreen();
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final ArrayList<InputMethodSubtype> subtypes = new ArrayList<>();
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final int count = group.getPreferenceCount();
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for (int i = 0; i < count; i++) {
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final Preference pref = group.getPreference(i);
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if (pref instanceof CustomInputStylePreference) {
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final CustomInputStylePreference subtypePref = (CustomInputStylePreference)pref;
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// We should not save newly adding subtype to preference because it is incomplete.
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if (subtypePref.isIncomplete()) continue;
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subtypes.add(subtypePref.getSubtype());
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}
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}
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return subtypes.toArray(new InputMethodSubtype[subtypes.size()]);
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}
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@Override
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public void onPause() {
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super.onPause();
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final String oldSubtypes = Settings.readPrefAdditionalSubtypes(mPrefs, getResources());
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final InputMethodSubtype[] subtypes = getSubtypes();
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final String prefSubtypes = AdditionalSubtypeUtils.createPrefSubtypes(subtypes);
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if (DEBUG_CUSTOM_INPUT_STYLES) {
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Log.i(TAG, "Save custom input styles: " + prefSubtypes);
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}
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if (prefSubtypes.equals(oldSubtypes)) {
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return;
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}
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Settings.writePrefAdditionalSubtypes(mPrefs, prefSubtypes);
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mRichImm.setAdditionalInputMethodSubtypes(subtypes);
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}
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@Override
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public void onCreateOptionsMenu(final Menu menu, final MenuInflater inflater) {
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inflater.inflate(R.menu.add_style, menu);
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}
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@Override
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public boolean onOptionsItemSelected(final MenuItem item) {
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final int itemId = item.getItemId();
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if (itemId == R.id.action_add_style) {
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final CustomInputStylePreference newSubtype =
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CustomInputStylePreference.newIncompleteSubtypePreference(getActivity(), this);
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getPreferenceScreen().addPreference(newSubtype);
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newSubtype.show();
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mIsAddingNewSubtype = true;
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return true;
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}
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return super.onOptionsItemSelected(item);
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}
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}
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