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.camera.ui; 18 19 import android.content.Context; 20 import android.util.AttributeSet; 21 import android.view.accessibility.AccessibilityEvent; 22 import android.widget.CompoundButton; 23 import android.widget.CompoundButton.OnCheckedChangeListener; 24 import android.widget.Switch; 25 26 import com.android.camera.ListPreference; 27 import com.android.camera.R; 28 29 /* A switch setting control which turns on/off the setting. */ 30 public class InLineSettingSwitch extends InLineSettingItem { 31 private Switch mSwitch; 32 33 OnCheckedChangeListener mCheckedChangeListener = new OnCheckedChangeListener() { 34 @Override 35 public void onCheckedChanged(CompoundButton buttonView, boolean desiredState) { 36 changeIndex(desiredState ? 1 : 0); 37 } 38 }; 39 InLineSettingSwitch(Context context, AttributeSet attrs)40 public InLineSettingSwitch(Context context, AttributeSet attrs) { 41 super(context, attrs); 42 } 43 44 @Override onFinishInflate()45 protected void onFinishInflate() { 46 super.onFinishInflate(); 47 mSwitch = (Switch) findViewById(R.id.setting_switch); 48 mSwitch.setOnCheckedChangeListener(mCheckedChangeListener); 49 } 50 51 @Override initialize(ListPreference preference)52 public void initialize(ListPreference preference) { 53 super.initialize(preference); 54 // Add content descriptions for the increment and decrement buttons. 55 mSwitch.setContentDescription(getContext().getResources().getString( 56 R.string.accessibility_switch, mPreference.getTitle())); 57 } 58 59 @Override updateView()60 protected void updateView() { 61 mSwitch.setOnCheckedChangeListener(null); 62 if (mOverrideValue == null) { 63 mSwitch.setChecked(mIndex == 1); 64 } else { 65 int index = mPreference.findIndexOfValue(mOverrideValue); 66 mSwitch.setChecked(index == 1); 67 } 68 mSwitch.setOnCheckedChangeListener(mCheckedChangeListener); 69 } 70 71 @Override dispatchPopulateAccessibilityEvent(AccessibilityEvent event)72 public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) { 73 onPopulateAccessibilityEvent(event); 74 return true; 75 } 76 77 @Override onPopulateAccessibilityEvent(AccessibilityEvent event)78 public void onPopulateAccessibilityEvent(AccessibilityEvent event) { 79 super.onPopulateAccessibilityEvent(event); 80 event.getText().add(mPreference.getTitle()); 81 } 82 } 83