content: /*
   * 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.server.wm;
  
  import static android.view.WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS;
  import static android.view.WindowManager.LayoutParams.MATCH_PARENT;
  
  import static com.android.server.wm.WindowManagerInternal.AppTransitionListener;
  
  import android.app.StatusBarManager;
  import android.os.IBinder;
  import android.view.View;
  
  import com.android.server.statusbar.StatusBarManagerInternal;
  
  /**
   * Implements status bar specific behavior.
   */
  public class StatusBarController extends BarController {
  
      private final AppTransitionListener mAppTransitionListener = new AppTransitionListener() {
  
          private Runnable mAppTransitionPending = () -> {
              StatusBarManagerInternal statusBar = getStatusBarInternal();
              if (statusBar != null) {
                  statusBar.appTransitionPending(mDisplayId);
              }
          };
  
          private Runnable mAppTransitionCancelled = () -> {
              StatusBarManagerInternal statusBar = getStatusBarInternal();
              if (statusBar != null) {
                  statusBar.appTransitionCancelled(mDisplayId);
              }
          };
  
          private Runnable mAppTransitionFinished = () -> {
              StatusBarManagerInternal statusBar = getStatusBarInternal();
              if (statusBar != null) {
                  statusBar.appTransitionFinished(mDisplayId);
              }
          };
  
          @Override
          public void onAppTransitionPendingLocked() {
              mHandler.post(mAppTransitionPending);
          }
  
          @Override
          public int onAppTransitionStartingLocked(int transit, long duration,
                  long statusBarAnimationStartTime, long statusBarAnimationDuration) {
              mHandler.post(() -> {
                  StatusBarManagerInternal statusBar = getStatusBarInternal();
                  if (statusBar != null) {
                      statusBar.appTransitionStarting(mDisplayId,
                              statusBarAnimationStartTime, statusBarAnimationDuration);
                  }
              });
              return 0;
          }
  
          @Override
          public void onAppTransitionCancelledLocked(int transit) {
              mHandler.post(mAppTransitionCancelled);
          }
  
          @Override
          public void onAppTransitionFinishedLocked(IBinder token) {
              mHandler.post(mAppTransitionFinished);
          }
      };
  
      StatusBarController(int displayId) {
          super("StatusBar",
                  displayId,
                  View.STATUS_BAR_TRANSIENT,
                  View.STATUS_BAR_UNHIDE,
                  View.STATUS_BAR_TRANSLUCENT,
                  StatusBarManager.WINDOW_STATUS_BAR,
                  FLAG_TRANSLUCENT_STATUS,
                  View.STATUS_BAR_TRANSPARENT);
      }
  
      void setTopAppHidesStatusBar(boolean hidesStatusBar) {
          StatusBarManagerInternal statusBar = getStatusBarInternal();
          if (statusBar != null) {
              statusBar.setTopAppHidesStatusBar(hidesStatusBar);
          }
      }
  
      @Override
      protected boolean skipAnimation() {
          return mWin.getAttrs().height == MATCH_PARENT;
      }
  
      AppTransitionListener getAppTransitionListener() {
          return mAppTransitionListener;
      }
  }
  