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