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 Debunne 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport org.xmlpull.v1.XmlPullParser; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport org.xmlpull.v1.XmlPullParserException; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Context; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Intent; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.AttributeSet; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The {@link PreferenceInflater} is used to inflate preference hierarchies from 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * XML files. 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Do not construct this directly, instead use 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link Context#getSystemService(String)} with 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link Context#PREFERENCE_INFLATER_SERVICE}. 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectclass PreferenceInflater extends GenericInflater<Preference, PreferenceGroup> { 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final String TAG = "PreferenceInflater"; 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final String INTENT_TAG_NAME = "intent"; 41def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn private static final String EXTRA_TAG_NAME = "extra"; 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PreferenceManager mPreferenceManager; 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public PreferenceInflater(Context context, PreferenceManager preferenceManager) { 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context); 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project init(preferenceManager); 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PreferenceInflater(GenericInflater<Preference, PreferenceGroup> original, PreferenceManager preferenceManager, Context newContext) { 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(original, newContext); 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project init(preferenceManager); 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public GenericInflater<Preference, PreferenceGroup> cloneInContext(Context newContext) { 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new PreferenceInflater(this, mPreferenceManager, newContext); 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void init(PreferenceManager preferenceManager) { 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreferenceManager = preferenceManager; 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setDefaultPackage("android.preference."); 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 6676f0ce1fe4b10a67fb4c037a89024cc134ccb1c1Gilles Debunne protected boolean onCreateCustomFromTag(XmlPullParser parser, Preference parentPreference, 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AttributeSet attrs) throws XmlPullParserException { 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final String tag = parser.getName(); 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (tag.equals(INTENT_TAG_NAME)) { 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Intent intent = null; 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project intent = Intent.parseIntent(getContext().getResources(), parser, attrs); 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (IOException e) { 76def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn XmlPullParserException ex = new XmlPullParserException( 77def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn "Error parsing preference"); 78def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn ex.initCause(e); 79def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn throw ex; 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (intent != null) { 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project parentPreference.setIntent(intent); 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 87def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn } else if (tag.equals(EXTRA_TAG_NAME)) { 88def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn getContext().getResources().parseBundleExtra(EXTRA_TAG_NAME, attrs, 89def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn parentPreference.getExtras()); 90def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn try { 91def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn XmlUtils.skipCurrentTag(parser); 92def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn } catch (IOException e) { 93def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn XmlPullParserException ex = new XmlPullParserException( 94def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn "Error parsing preference"); 95def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn ex.initCause(e); 96def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn throw ex; 97def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn } 98def1537e9e8d0dd190cde5310ddae8b921088c9bDianne Hackborn return true; 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected PreferenceGroup onMergeRoots(PreferenceGroup givenRoot, boolean attachToGivenRoot, 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PreferenceGroup xmlRoot) { 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we were given a Preferences, use it as the root (ignoring the root 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Preferences from the XML file). 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (givenRoot == null) { 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project xmlRoot.onAttachedToHierarchy(mPreferenceManager); 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return xmlRoot; 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return givenRoot; 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 118