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.systemui.plugins;
  
  import android.view.View;
  import android.view.ViewGroup;
  
  import com.android.systemui.plugins.annotations.ProvidesInterface;
  
  /**
   * Implement this plugin interface to add a row of views to the top of the all apps drawer.
   */
  @ProvidesInterface(action = AllAppsRow.ACTION, version = AllAppsRow.VERSION)
  public interface AllAppsRow extends Plugin {
      String ACTION = "com.android.systemui.action.PLUGIN_ALL_APPS_ACTIONS";
      int VERSION = 1;
  
      /**
       * Setup the row and return the parent view.
       * @param parent The ViewGroup to which launcher will add this row.
       */
      View setup(ViewGroup parent);
  
      /**
       * @return The height to reserve in all apps for your views.
       */
      int getExpectedHeight();
  
      /**
       * Update launcher whenever {@link #getExpectedHeight()} changes.
       */
      void setOnHeightUpdatedListener(OnHeightUpdatedListener onHeightUpdatedListener);
  
      interface OnHeightUpdatedListener {
          void onHeightUpdated();
      }
  }
  