diff options
Diffstat (limited to 'quickstep/src/com/android/launcher3/uioverrides/DisplayRotationListener.java')
-rw-r--r-- | quickstep/src/com/android/launcher3/uioverrides/DisplayRotationListener.java | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/quickstep/src/com/android/launcher3/uioverrides/DisplayRotationListener.java b/quickstep/src/com/android/launcher3/uioverrides/DisplayRotationListener.java new file mode 100644 index 000000000..2d9a16147 --- /dev/null +++ b/quickstep/src/com/android/launcher3/uioverrides/DisplayRotationListener.java @@ -0,0 +1,48 @@ +/* + * Copyright (C) 2018 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.launcher3.uioverrides; + +import android.content.Context; +import android.os.Handler; + +import com.android.systemui.shared.system.RotationWatcher; + +/** + * Utility class for listening for rotation changes + */ +public class DisplayRotationListener extends RotationWatcher { + + private final Runnable mCallback; + private Handler mHandler; + + public DisplayRotationListener(Context context, Runnable callback) { + super(context); + mCallback = callback; + } + + @Override + public void enable() { + if (mHandler == null) { + mHandler = new Handler(); + } + super.enable(); + } + + @Override + protected void onRotationChanged(int i) { + mHandler.post(mCallback); + } +} |