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
17package com.android.camera.ui;
18
19import android.content.Context;
20import android.util.AttributeSet;
21import android.view.accessibility.AccessibilityEvent;
22import android.widget.CheckBox;
23import android.widget.CompoundButton;
24import android.widget.CompoundButton.OnCheckedChangeListener;
25
26import com.android.camera.ListPreference;
27import com.android.camera2.R;
28
29/* A check box setting control which turns on/off the setting. */
30public class InLineSettingCheckBox extends InLineSettingItem {
31    private CheckBox mCheckBox;
32
33    OnCheckedChangeListener mCheckedChangeListener = new OnCheckedChangeListener() {
34        @Override
35        public void onCheckedChanged(CompoundButton buttonView, boolean desiredState) {
36            changeIndex(desiredState ? 1 : 0);
37        }
38    };
39
40    public InLineSettingCheckBox(Context context, AttributeSet attrs) {
41        super(context, attrs);
42    }
43
44    @Override
45    protected void onFinishInflate() {
46        super.onFinishInflate();
47        mCheckBox = (CheckBox) findViewById(R.id.setting_check_box);
48        mCheckBox.setOnCheckedChangeListener(mCheckedChangeListener);
49    }
50
51    @Override
52    public void initialize(ListPreference preference) {
53        super.initialize(preference);
54        // Add content descriptions for the increment and decrement buttons.
55        mCheckBox.setContentDescription(getContext().getResources().getString(
56                R.string.accessibility_check_box, mPreference.getTitle()));
57    }
58
59    @Override
60    protected void updateView() {
61        mCheckBox.setOnCheckedChangeListener(null);
62        if (mOverrideValue == null) {
63            mCheckBox.setChecked(mIndex == 1);
64        } else {
65            int index = mPreference.findIndexOfValue(mOverrideValue);
66            mCheckBox.setChecked(index == 1);
67        }
68        mCheckBox.setOnCheckedChangeListener(mCheckedChangeListener);
69    }
70
71    @Override
72    public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) {
73        event.getText().add(mPreference.getTitle());
74        return true;
75    }
76
77    @Override
78    public void setEnabled(boolean enable) {
79        if (mTitle != null) mTitle.setEnabled(enable);
80        if (mCheckBox != null) mCheckBox.setEnabled(enable);
81    }
82}
83