Implement new UI for IME settings
Bug: 4645160 Change-Id: If9046e7e96732f6ee4c0594cc66622b6462bdec9
This commit is contained in:
satok
254
src/com/android/settings/inputmethod/InputMethodPreference.java
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254
src/com/android/settings/inputmethod/InputMethodPreference.java
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/*
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* Copyright (C) 2011 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.settings.inputmethod;
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import com.android.settings.R;
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import com.android.settings.SettingsPreferenceFragment;
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import android.app.AlertDialog;
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import android.app.Fragment;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.content.res.Configuration;
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import android.os.Bundle;
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import android.preference.CheckBoxPreference;
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import android.preference.PreferenceActivity;
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import android.provider.Settings;
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import android.text.TextUtils;
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import android.util.Log;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.view.View.OnLongClickListener;
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import android.view.inputmethod.InputMethodInfo;
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import android.view.inputmethod.InputMethodManager;
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import android.view.inputmethod.InputMethodSubtype;
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import android.widget.ImageView;
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import android.widget.TextView;
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import java.util.Comparator;
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import java.util.List;
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public class InputMethodPreference extends CheckBoxPreference
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implements Comparator<InputMethodPreference> {
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private static final String TAG = InputMethodPreference.class.getSimpleName();
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private static final float DISABLED_ALPHA = 0.4f;
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private final SettingsPreferenceFragment mFragment;
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private final InputMethodInfo mImi;
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private final InputMethodManager mImm;
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private final Intent mSettingsIntent;
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private final boolean mIsSystemIme;
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private AlertDialog mDialog = null;
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private ImageView mInputMethodSettingsButton;
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private TextView mTitleText;
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private TextView mSummaryText;
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private View mInputMethodPref;
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public InputMethodPreference(SettingsPreferenceFragment fragment, Intent settingsIntent,
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InputMethodManager imm, InputMethodInfo imi, int imiCount) {
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super(fragment.getActivity(), null, R.style.InputMethodPreferenceStyle);
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setLayoutResource(R.layout.preference_inputmethod);
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setWidgetLayoutResource(R.layout.preference_inputmethod_widget);
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mFragment = fragment;
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mSettingsIntent = settingsIntent;
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mImm = imm;
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mImi = imi;
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updateSummary();
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mIsSystemIme = InputMethodAndSubtypeUtil.isSystemIme(imi);
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final int subtypeCount = imi.getSubtypeCount();
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boolean onlyAux = true;
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if (subtypeCount == 0) {
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onlyAux = false;
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} else {
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for (int i = 0; i < subtypeCount; ++i) {
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final InputMethodSubtype subtype = imi.getSubtypeAt(i);
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if (!subtype.isAuxiliary()) {
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onlyAux = false;
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break;
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}
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}
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}
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if (imiCount <= 1 || (mIsSystemIme && !onlyAux)) {
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setEnabled(false);
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}
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}
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@Override
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protected void onBindView(View view) {
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super.onBindView(view);
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mInputMethodPref = view.findViewById(R.id.inputmethod_pref);
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mInputMethodPref.setOnClickListener(
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new OnClickListener() {
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@Override
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public void onClick(View arg0) {
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if (isChecked()) {
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setChecked(false);
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} else {
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if (mIsSystemIme) {
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setChecked(true);
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} else {
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showSecurityWarnDialog(mImi, InputMethodPreference.this);
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}
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}
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}
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});
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mInputMethodSettingsButton = (ImageView)view.findViewById(R.id.inputmethod_settings);
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mTitleText = (TextView)view.findViewById(android.R.id.title);
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mSummaryText = (TextView)view.findViewById(android.R.id.summary);
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if (mSettingsIntent != null) {
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mInputMethodSettingsButton.setOnClickListener(
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new OnClickListener() {
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@Override
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public void onClick(View arg0) {
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mFragment.startActivity(mSettingsIntent);
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}
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});
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}
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final boolean hasSubtypes = mImi.getSubtypeCount() > 1;
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final String imiId = mImi.getId();
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if (hasSubtypes) {
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final OnLongClickListener listener = new OnLongClickListener() {
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@Override
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public boolean onLongClick(View arg0) {
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final Bundle bundle = new Bundle();
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bundle.putString(Settings.EXTRA_INPUT_METHOD_ID, imiId);
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startFragment(mFragment, InputMethodAndSubtypeEnabler.class.getName(),
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0, bundle);
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return true;
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}
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};
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mInputMethodSettingsButton.setOnLongClickListener(listener);
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}
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if (mSettingsIntent == null) {
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mInputMethodSettingsButton.setVisibility(View.GONE);
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} else {
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enableSettingsButton();
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}
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}
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@Override
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public void setEnabled(boolean enabled) {
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super.setEnabled(enabled);
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enableSettingsButton();
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}
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private void enableSettingsButton() {
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if (mInputMethodSettingsButton != null) {
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final boolean checked = isChecked();
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mInputMethodSettingsButton.setEnabled(checked);
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mInputMethodSettingsButton.setClickable(checked);
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mInputMethodSettingsButton.setFocusable(checked);
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if (!checked) {
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mInputMethodSettingsButton.setAlpha(DISABLED_ALPHA);
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}
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}
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if (mTitleText != null) {
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mTitleText.setEnabled(true);
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}
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if (mSummaryText != null) {
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mSummaryText.setEnabled(true);
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}
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}
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public static boolean startFragment(
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Fragment fragment, String fragmentClass, int requestCode, Bundle extras) {
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if (fragment.getActivity() instanceof PreferenceActivity) {
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PreferenceActivity preferenceActivity = (PreferenceActivity)fragment.getActivity();
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preferenceActivity.startPreferencePanel(fragmentClass, extras, 0, null, fragment,
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requestCode);
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return true;
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} else {
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Log.w(TAG, "Parent isn't PreferenceActivity, thus there's no way to launch the "
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+ "given Fragment (name: " + fragmentClass + ", requestCode: " + requestCode
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+ ")");
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return false;
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}
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}
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public String getSummaryString() {
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final StringBuilder builder = new StringBuilder();
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final List<InputMethodSubtype> subtypes = mImm.getEnabledInputMethodSubtypeList(mImi, true);
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for (InputMethodSubtype subtype : subtypes) {
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if (builder.length() > 0) {
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builder.append(", ");
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}
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final CharSequence subtypeLabel = subtype.getDisplayName(mFragment.getActivity(),
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mImi.getPackageName(), mImi.getServiceInfo().applicationInfo);
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builder.append(subtypeLabel);
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}
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return builder.toString();
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}
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public void updateSummary() {
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final String summary = getSummaryString();
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if (TextUtils.isEmpty(summary)) {
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return;
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}
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setSummary(summary);
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}
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@Override
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public void setChecked(boolean checked) {
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super.setChecked(checked);
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saveImeSettings();
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}
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private void showSecurityWarnDialog(InputMethodInfo imi, final CheckBoxPreference chkPref) {
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if (mDialog != null && mDialog.isShowing()) {
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mDialog.dismiss();
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}
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mDialog = (new AlertDialog.Builder(mFragment.getActivity()))
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.setTitle(android.R.string.dialog_alert_title)
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.setIcon(android.R.drawable.ic_dialog_alert)
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.setCancelable(true)
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.setPositiveButton(android.R.string.ok,
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new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {
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chkPref.setChecked(true);
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}
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})
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.setNegativeButton(android.R.string.cancel,
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new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {
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}
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})
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.create();
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mDialog.setMessage(mFragment.getResources().getString(R.string.ime_security_warning,
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imi.getServiceInfo().applicationInfo.loadLabel(
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mFragment.getActivity().getPackageManager())));
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mDialog.show();
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}
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@Override
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public int compare(InputMethodPreference arg0, InputMethodPreference arg1) {
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if (arg0.isEnabled() == arg0.isEnabled()) {
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return arg0.mImi.getId().compareTo(arg1.mImi.getId());
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} else {
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// Prefer system IMEs
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return arg0.isEnabled() ? 1 : -1;
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}
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}
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private void saveImeSettings() {
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InputMethodAndSubtypeUtil.saveInputMethodSubtypeList(
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mFragment, mFragment.getActivity().getContentResolver(), mImm.getInputMethodList(),
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mFragment.getResources().getConfiguration().keyboard
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== Configuration.KEYBOARD_QWERTY);
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}
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}
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