1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.settings.inputmethod; 18 19 import com.android.settings.R; 20 21 import android.app.AlertDialog; 22 import android.content.ActivityNotFoundException; 23 import android.content.DialogInterface; 24 import android.content.Intent; 25 import android.content.res.Resources; 26 import android.preference.Preference; 27 import android.text.TextUtils; 28 import android.util.Log; 29 import android.view.View; 30 import android.view.View.OnClickListener; 31 import android.view.textservice.SpellCheckerInfo; 32 import android.view.textservice.SpellCheckerSubtype; 33 import android.view.textservice.TextServicesManager; 34 import android.widget.ImageView; 35 import android.widget.RadioButton; 36 import android.widget.TextView; 37 import android.widget.Toast; 38 39 public class SingleSpellCheckerPreference extends Preference { 40 private static final float DISABLED_ALPHA = 0.4f; 41 private static final String TAG = SingleSpellCheckerPreference.class.getSimpleName(); 42 private static final boolean DBG = false; 43 44 private final SpellCheckerInfo mSpellCheckerInfo; 45 46 private final SpellCheckersSettings mFragment; 47 private final Resources mRes; 48 private final TextServicesManager mTsm; 49 private AlertDialog mDialog = null; 50 private TextView mTitleText; 51 private TextView mSummaryText; 52 private View mPrefAll; 53 private RadioButton mRadioButton; 54 private View mPrefLeftButton; 55 private View mSettingsButton; 56 private ImageView mSubtypeButton; 57 private Intent mSettingsIntent; 58 private boolean mSelected; 59 60 public SingleSpellCheckerPreference(SpellCheckersSettings fragment, Intent settingsIntent, 61 SpellCheckerInfo sci, TextServicesManager tsm) { 62 super(fragment.getActivity(), null, 0); 63 mFragment = fragment; 64 mRes = fragment.getActivity().getResources(); 65 mTsm = tsm; 66 setLayoutResource(R.layout.preference_spellchecker); 67 mSpellCheckerInfo = sci; 68 mSelected = false; 69 final String settingsActivity = mSpellCheckerInfo.getSettingsActivity(); 70 if (!TextUtils.isEmpty(settingsActivity)) { 71 mSettingsIntent = new Intent(Intent.ACTION_MAIN); 72 mSettingsIntent.setClassName(mSpellCheckerInfo.getPackageName(), settingsActivity); 73 } else { 74 mSettingsIntent = null; 75 } 76 } 77 78 @Override 79 protected void onBindView(View view) { 80 super.onBindView(view); 81 mPrefAll = view.findViewById(R.id.pref_all); 82 mRadioButton = (RadioButton)view.findViewById(R.id.pref_radio); 83 mPrefLeftButton = view.findViewById(R.id.pref_left_button); 84 mPrefLeftButton.setOnClickListener( 85 new OnClickListener() { 86 @Override 87 public void onClick(View arg0) { 88 onLeftButtonClicked(arg0); 89 } 90 }); 91 mTitleText = (TextView)view.findViewById(android.R.id.title); 92 mSummaryText = (TextView)view.findViewById(android.R.id.summary); 93 mSubtypeButton = (ImageView)view.findViewById(R.id.pref_right_button2); 94 mSubtypeButton.setOnClickListener( 95 new OnClickListener() { 96 @Override 97 public void onClick(View arg0) { 98 onSubtypeButtonClicked(arg0); 99 } 100 }); 101 mSettingsButton = view.findViewById(R.id.pref_right_button1); 102 mSettingsButton.setOnClickListener( 103 new OnClickListener() { 104 @Override 105 public void onClick(View arg0) { 106 onSettingsButtonClicked(arg0); 107 } 108 }); 109 updateSelectedState(mSelected); 110 } 111 112 private void onLeftButtonClicked(View arg0) { 113 mFragment.onPreferenceClick(this); 114 } 115 116 public SpellCheckerInfo getSpellCheckerInfo() { 117 return mSpellCheckerInfo; 118 } 119 120 private void updateSelectedState(boolean selected) { 121 if (mPrefAll != null) { 122 mRadioButton.setChecked(selected); 123 enableButtons(selected); 124 } 125 } 126 127 public void setSelected(boolean selected) { 128 mSelected = selected; 129 updateSelectedState(selected); 130 } 131 132 private void onSubtypeButtonClicked(View arg0) { 133 if (mDialog != null && mDialog.isShowing()) { 134 mDialog.dismiss(); 135 } 136 final AlertDialog.Builder builder = new AlertDialog.Builder(mFragment.getActivity()); 137 builder.setTitle(R.string.phone_language); 138 final int size = mSpellCheckerInfo.getSubtypeCount(); 139 final CharSequence[] items = new CharSequence[size + 1]; 140 items[0] = mRes.getString(R.string.use_system_language_to_select_input_method_subtypes); 141 for (int i = 0; i < size; ++i) { 142 final SpellCheckerSubtype subtype = mSpellCheckerInfo.getSubtypeAt(i); 143 final CharSequence label = subtype.getDisplayName( 144 mFragment.getActivity(), mSpellCheckerInfo.getPackageName(), 145 mSpellCheckerInfo.getServiceInfo().applicationInfo); 146 items[i + 1] = label; 147 } 148 // default: "Use system language" 149 int checkedItem = 0; 150 // Allow no implicitly selected subtypes 151 final SpellCheckerSubtype currentScs = mTsm.getCurrentSpellCheckerSubtype(false); 152 if (currentScs != null) { 153 for (int i = 0; i < size; ++i) { 154 if (mSpellCheckerInfo.getSubtypeAt(i).equals(currentScs)) { 155 checkedItem = i + 1; 156 break; 157 } 158 } 159 } 160 builder.setSingleChoiceItems(items, checkedItem, new AlertDialog.OnClickListener() { 161 @Override 162 public void onClick(DialogInterface dialog, int which) { 163 if (which == 0) { 164 mTsm.setSpellCheckerSubtype(null); 165 } else { 166 mTsm.setSpellCheckerSubtype(mSpellCheckerInfo.getSubtypeAt(which - 1)); 167 } 168 if (DBG) { 169 final SpellCheckerSubtype subtype = mTsm.getCurrentSpellCheckerSubtype(true); 170 Log.d(TAG, "Current spell check locale is " 171 + subtype == null ? "null" : subtype.getLocale()); 172 } 173 dialog.dismiss(); 174 } 175 }); 176 mDialog = builder.create(); 177 mDialog.show(); 178 } 179 180 private void onSettingsButtonClicked(View arg0) { 181 if (mFragment != null && mSettingsIntent != null) { 182 try { 183 mFragment.startActivity(mSettingsIntent); 184 } catch (ActivityNotFoundException e) { 185 final String msg = mFragment.getString(R.string.failed_to_open_app_settings_toast, 186 mSpellCheckerInfo.loadLabel(mFragment.getActivity().getPackageManager())); 187 Toast.makeText(mFragment.getActivity(), msg, Toast.LENGTH_LONG).show(); 188 } 189 } 190 } 191 192 private void enableButtons(boolean enabled) { 193 if (mSettingsButton != null) { 194 if (mSettingsIntent == null) { 195 mSettingsButton.setVisibility(View.GONE); 196 } else { 197 mSettingsButton.setEnabled(enabled); 198 mSettingsButton.setClickable(enabled); 199 mSettingsButton.setFocusable(enabled); 200 if (!enabled) { 201 mSettingsButton.setAlpha(DISABLED_ALPHA); 202 } 203 } 204 } 205 if (mSubtypeButton != null) { 206 if (mSpellCheckerInfo.getSubtypeCount() <= 0) { 207 mSubtypeButton.setVisibility(View.GONE); 208 } else { 209 mSubtypeButton.setEnabled(enabled); 210 mSubtypeButton.setClickable(enabled); 211 mSubtypeButton.setFocusable(enabled); 212 if (!enabled) { 213 mSubtypeButton.setAlpha(DISABLED_ALPHA); 214 } 215 } 216 } 217 } 218 } 219
