/packages/SystemUI/src/com/android/systemui/statusbar/policy/RotationLockController.java
https://github.com/aizuzi/platform_frameworks_base · Java · 89 lines · 60 code · 14 blank · 15 comment · 6 complexity · ab602aabff16610a1d204e9288c7fabc MD5 · raw file
- /*
- * Copyright (C) 2010 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- package com.android.systemui.statusbar.policy;
- import android.content.Context;
- import android.os.UserHandle;
- import com.android.internal.view.RotationPolicy;
- import java.util.concurrent.CopyOnWriteArrayList;
- public final class RotationLockController {
- private final Context mContext;
- private final CopyOnWriteArrayList<RotationLockControllerCallback> mCallbacks =
- new CopyOnWriteArrayList<RotationLockControllerCallback>();
- private final RotationPolicy.RotationPolicyListener mRotationPolicyListener =
- new RotationPolicy.RotationPolicyListener() {
- @Override
- public void onChange() {
- notifyChanged();
- }
- };
- public interface RotationLockControllerCallback {
- public void onRotationLockStateChanged(boolean rotationLocked, boolean affordanceVisible);
- }
- public RotationLockController(Context context) {
- mContext = context;
- notifyChanged();
- if (RotationPolicy.isRotationLockToggleSupported(mContext)) {
- RotationPolicy.registerRotationPolicyListener(mContext,
- mRotationPolicyListener, UserHandle.USER_ALL);
- }
- }
- public void addRotationLockControllerCallback(RotationLockControllerCallback callback) {
- mCallbacks.add(callback);
- }
- public boolean isRotationLocked() {
- if (RotationPolicy.isRotationLockToggleSupported(mContext)) {
- return RotationPolicy.isRotationLocked(mContext);
- }
- return false;
- }
- public void setRotationLocked(boolean locked) {
- if (RotationPolicy.isRotationLockToggleSupported(mContext)) {
- RotationPolicy.setRotationLock(mContext, locked);
- }
- }
- public boolean isRotationLockAffordanceVisible() {
- if (RotationPolicy.isRotationLockToggleSupported(mContext)) {
- return RotationPolicy.isRotationLockToggleVisible(mContext);
- }
- return false;
- }
- public void release() {
- if (RotationPolicy.isRotationLockToggleSupported(mContext)) {
- RotationPolicy.unregisterRotationPolicyListener(mContext,
- mRotationPolicyListener);
- }
- }
- private void notifyChanged() {
- for (RotationLockControllerCallback callback : mCallbacks) {
- callback.onRotationLockStateChanged(RotationPolicy.isRotationLocked(mContext),
- RotationPolicy.isRotationLockToggleVisible(mContext));
- }
- }
- }