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 com.android.internal.preference; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Context; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.res.TypedArray; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Parcel; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Parcelable; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.preference.DialogPreference; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.AttributeSet; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The {@link YesNoPreference} is a preference to show a dialog with Yes and No 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * buttons. 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This preference will store a boolean into the SharedPreferences. 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class YesNoPreference extends DialogPreference { 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mWasPositiveResult; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public YesNoPreference(Context context, AttributeSet attrs, int defStyle) { 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context, attrs, defStyle); 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public YesNoPreference(Context context, AttributeSet attrs) { 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this(context, attrs, com.android.internal.R.attr.yesNoPreferenceStyle); 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public YesNoPreference(Context context) { 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this(context, null); 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onDialogClosed(boolean positiveResult) { 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onDialogClosed(positiveResult); 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (callChangeListener(positiveResult)) { 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setValue(positiveResult); 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the value of this preference, and saves it to the persistent store 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if required. 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value The value of the preference. 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setValue(boolean value) { 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mWasPositiveResult = value; 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project persistBoolean(value); 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project notifyDependencyChange(!value); 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Gets the value of this preference. 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return The value of the preference. 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean getValue() { 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mWasPositiveResult; 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected Object onGetDefaultValue(TypedArray a, int index) { 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return a.getBoolean(index, false); 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onSetInitialValue(boolean restorePersistedValue, Object defaultValue) { 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setValue(restorePersistedValue ? getPersistedBoolean(mWasPositiveResult) : 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (Boolean) defaultValue); 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean shouldDisableDependents() { 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return !mWasPositiveResult || super.shouldDisableDependents(); 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected Parcelable onSaveInstanceState() { 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Parcelable superState = super.onSaveInstanceState(); 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isPersistent()) { 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // No need to save instance state since it's persistent 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return superState; 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final SavedState myState = new SavedState(superState); 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project myState.wasPositiveResult = getValue(); 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return myState; 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onRestoreInstanceState(Parcelable state) { 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!state.getClass().equals(SavedState.class)) { 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Didn't save state for us in onSaveInstanceState 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onRestoreInstanceState(state); 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SavedState myState = (SavedState) state; 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onRestoreInstanceState(myState.getSuperState()); 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setValue(myState.wasPositiveResult); 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static class SavedState extends BaseSavedState { 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean wasPositiveResult; 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SavedState(Parcel source) { 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(source); 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project wasPositiveResult = source.readInt() == 1; 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void writeToParcel(Parcel dest, int flags) { 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.writeToParcel(dest, flags); 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dest.writeInt(wasPositiveResult ? 1 : 0); 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SavedState(Parcelable superState) { 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(superState); 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final Parcelable.Creator<SavedState> CREATOR = 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new Parcelable.Creator<SavedState>() { 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SavedState createFromParcel(Parcel in) { 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new SavedState(in); 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SavedState[] newArray(int size) { 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new SavedState[size]; 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 152