19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2007 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.preference; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackbornimport com.android.internal.util.XmlUtils; 20def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn 2176f0ce1fe4b10a67fb4c037a89024cc134ccb1c1Gilles Debunneimport java.io.IOException; 2276f0ce1fe4b10a67fb4c037a89024cc134ccb1c1Gilles Debunneimport java.util.Map; 2376f0ce1fe4b10a67fb4c037a89024cc134ccb1c1Gilles Debunne 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport org.xmlpull.v1.XmlPullParser; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport org.xmlpull.v1.XmlPullParserException; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2776f0ce1fe4b10a67fb4c037a89024cc134ccb1c1Gilles Debunneimport android.app.AliasActivity; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Context; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Intent; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.AttributeSet; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.Log; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The {@link PreferenceInflater} is used to inflate preference hierarchies from 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * XML files. 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Do not construct this directly, instead use 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link Context#getSystemService(String)} with 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link Context#PREFERENCE_INFLATER_SERVICE}. 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectclass PreferenceInflater extends GenericInflater<Preference, PreferenceGroup> { 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final String TAG = "PreferenceInflater"; 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final String INTENT_TAG_NAME = "intent"; 44def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn private static final String EXTRA_TAG_NAME = "extra"; 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PreferenceManager mPreferenceManager; 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public PreferenceInflater(Context context, PreferenceManager preferenceManager) { 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context); 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project init(preferenceManager); 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PreferenceInflater(GenericInflater<Preference, PreferenceGroup> original, PreferenceManager preferenceManager, Context newContext) { 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(original, newContext); 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project init(preferenceManager); 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public GenericInflater<Preference, PreferenceGroup> cloneInContext(Context newContext) { 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new PreferenceInflater(this, mPreferenceManager, newContext); 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void init(PreferenceManager preferenceManager) { 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreferenceManager = preferenceManager; 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setDefaultPackage("android.preference."); 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 6976f0ce1fe4b10a67fb4c037a89024cc134ccb1c1Gilles Debunne protected boolean onCreateCustomFromTag(XmlPullParser parser, Preference parentPreference, 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AttributeSet attrs) throws XmlPullParserException { 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final String tag = parser.getName(); 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (tag.equals(INTENT_TAG_NAME)) { 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Intent intent = null; 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project intent = Intent.parseIntent(getContext().getResources(), parser, attrs); 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (IOException e) { 79def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn XmlPullParserException ex = new XmlPullParserException( 80def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn "Error parsing preference"); 81def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn ex.initCause(e); 82def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn throw ex; 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (intent != null) { 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project parentPreference.setIntent(intent); 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 90def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn } else if (tag.equals(EXTRA_TAG_NAME)) { 91def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn getContext().getResources().parseBundleExtra(EXTRA_TAG_NAME, attrs, 92def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn parentPreference.getExtras()); 93def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn try { 94def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn XmlUtils.skipCurrentTag(parser); 95def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn } catch (IOException e) { 96def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn XmlPullParserException ex = new XmlPullParserException( 97def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn "Error parsing preference"); 98def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn ex.initCause(e); 99def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn throw ex; 100def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn } 101def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn return true; 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected PreferenceGroup onMergeRoots(PreferenceGroup givenRoot, boolean attachToGivenRoot, 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PreferenceGroup xmlRoot) { 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we were given a Preferences, use it as the root (ignoring the root 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Preferences from the XML file). 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (givenRoot == null) { 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project xmlRoot.onAttachedToHierarchy(mPreferenceManager); 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return xmlRoot; 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return givenRoot; 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 121