1/*
2 * Copyright (C) 2010 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.systemui.statusbar.policy;
18
19import com.android.internal.view.RotationPolicy;
20
21import android.content.Context;
22import android.os.UserHandle;
23import android.widget.CompoundButton;
24
25public final class AutoRotateController implements CompoundButton.OnCheckedChangeListener {
26    private final Context mContext;
27    private final CompoundButton mCheckbox;
28    private final RotationLockCallbacks mCallbacks;
29
30    private boolean mAutoRotation;
31
32    private final RotationPolicy.RotationPolicyListener mRotationPolicyListener =
33            new RotationPolicy.RotationPolicyListener() {
34        @Override
35        public void onChange() {
36            updateState();
37        }
38    };
39
40    public AutoRotateController(Context context, CompoundButton checkbox,
41            RotationLockCallbacks callbacks) {
42        mContext = context;
43        mCheckbox = checkbox;
44        mCallbacks = callbacks;
45
46        mCheckbox.setOnCheckedChangeListener(this);
47
48        RotationPolicy.registerRotationPolicyListener(context, mRotationPolicyListener,
49                UserHandle.USER_ALL);
50        updateState();
51    }
52
53    public void onCheckedChanged(CompoundButton view, boolean checked) {
54        if (checked != mAutoRotation) {
55            mAutoRotation = checked;
56            RotationPolicy.setRotationLock(mContext, !checked);
57        }
58    }
59
60    public void release() {
61        RotationPolicy.unregisterRotationPolicyListener(mContext,
62                mRotationPolicyListener);
63    }
64
65    private void updateState() {
66        mAutoRotation = !RotationPolicy.isRotationLocked(mContext);
67        mCheckbox.setChecked(mAutoRotation);
68
69        boolean visible = RotationPolicy.isRotationLockToggleVisible(mContext);
70        mCallbacks.setRotationLockControlVisibility(visible);
71        mCheckbox.setEnabled(visible);
72    }
73
74    public interface RotationLockCallbacks {
75        void setRotationLockControlVisibility(boolean show);
76    }
77}
78