| /* |
| * Copyright (C) 2020 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.wm.shell.onehanded; |
| |
| import static com.android.wm.shell.onehanded.OneHandedSettingsUtil.ONE_HANDED_TIMEOUT_MEDIUM_IN_SECONDS; |
| |
| import androidx.annotation.NonNull; |
| import androidx.annotation.VisibleForTesting; |
| |
| import com.android.wm.shell.common.ShellExecutor; |
| |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.concurrent.TimeUnit; |
| |
| /** |
| * Timeout handler for stop one handed mode operations. |
| */ |
| public class OneHandedTimeoutHandler { |
| private static final String TAG = "OneHandedTimeoutHandler"; |
| |
| private final ShellExecutor mMainExecutor; |
| |
| // Default timeout is ONE_HANDED_TIMEOUT_MEDIUM |
| private @OneHandedSettingsUtil.OneHandedTimeout int mTimeout = |
| ONE_HANDED_TIMEOUT_MEDIUM_IN_SECONDS; |
| private long mTimeoutMs = TimeUnit.SECONDS.toMillis(mTimeout); |
| private final Runnable mTimeoutRunnable = this::onStop; |
| private List<TimeoutListener> mListeners = new ArrayList<>(); |
| |
| /** |
| * Get the current config of timeout |
| * |
| * @return timeout of current config |
| */ |
| public @OneHandedSettingsUtil.OneHandedTimeout int getTimeout() { |
| return mTimeout; |
| } |
| |
| /** |
| * Listens for notify timeout events |
| */ |
| public interface TimeoutListener { |
| /** |
| * Called whenever the config time out |
| * |
| * @param timeoutTime The time in seconds to trigger timeout |
| */ |
| void onTimeout(int timeoutTime); |
| } |
| |
| public OneHandedTimeoutHandler(ShellExecutor mainExecutor) { |
| mMainExecutor = mainExecutor; |
| } |
| |
| /** |
| * Set the specific timeout of {@link OneHandedSettingsUtil.OneHandedTimeout} |
| */ |
| public void setTimeout(@OneHandedSettingsUtil.OneHandedTimeout int timeout) { |
| mTimeout = timeout; |
| mTimeoutMs = TimeUnit.SECONDS.toMillis(mTimeout); |
| resetTimer(); |
| } |
| |
| /** |
| * Reset the timer when one handed trigger or user is operating in some conditions |
| */ |
| public void removeTimer() { |
| mMainExecutor.removeCallbacks(mTimeoutRunnable); |
| } |
| |
| /** |
| * Reset the timer when one handed trigger or user is operating in some conditions |
| */ |
| public void resetTimer() { |
| removeTimer(); |
| if (mTimeout == OneHandedSettingsUtil.ONE_HANDED_TIMEOUT_NEVER) { |
| return; |
| } |
| if (mTimeout != OneHandedSettingsUtil.ONE_HANDED_TIMEOUT_NEVER) { |
| mMainExecutor.executeDelayed(mTimeoutRunnable, mTimeoutMs); |
| } |
| } |
| |
| /** |
| * Register timeout listener to receive time out events |
| * |
| * @param listener the listener be sent events when times up |
| */ |
| public void registerTimeoutListener(TimeoutListener listener) { |
| mListeners.add(listener); |
| } |
| |
| @VisibleForTesting |
| boolean hasScheduledTimeout() { |
| return mMainExecutor.hasCallback(mTimeoutRunnable); |
| } |
| |
| private void onStop() { |
| for (int i = mListeners.size() - 1; i >= 0; i--) { |
| final TimeoutListener listener = mListeners.get(i); |
| listener.onTimeout(mTimeout); |
| } |
| } |
| |
| void dump(@NonNull PrintWriter pw) { |
| final String innerPrefix = " "; |
| pw.println(TAG); |
| pw.print(innerPrefix + "sTimeout="); |
| pw.println(mTimeout); |
| pw.print(innerPrefix + "sListeners="); |
| pw.println(mListeners); |
| } |
| |
| } |