content: /*
   * Copyright (C) 2017 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.dragndrop;
  
  import android.annotation.TargetApi;
  import android.appwidget.AppWidgetManager;
  import android.content.pm.LauncherApps.PinItemRequest;
  import android.graphics.Rect;
  import android.os.Build;
  import android.os.Bundle;
  import android.os.CancellationSignal;
  import android.view.DragEvent;
  import android.view.View;
  import android.widget.RemoteViews;
  
  import com.android.launcher3.DragSource;
  import com.android.launcher3.ItemInfo;
  import com.android.launcher3.Launcher;
  import com.android.launcher3.LauncherAppWidgetProviderInfo;
  import com.android.launcher3.PendingAddItemInfo;
  import com.android.launcher3.uioverrides.UiFactory;
  import com.android.launcher3.userevent.nano.LauncherLogProto;
  import com.android.launcher3.widget.PendingAddShortcutInfo;
  import com.android.launcher3.widget.PendingAddWidgetInfo;
  import com.android.launcher3.widget.PendingItemDragHelper;
  import com.android.launcher3.widget.WidgetAddFlowHandler;
  
  /**
   * {@link DragSource} for handling drop from a different window. This object is initialized
   * in the source window and is passed on to the Launcher activity as an Intent extra.
   */
  @TargetApi(Build.VERSION_CODES.O)
  public class PinItemDragListener extends BaseItemDragListener {
  
      private final PinItemRequest mRequest;
      private final CancellationSignal mCancelSignal;
  
      public PinItemDragListener(PinItemRequest request, Rect previewRect,
              int previewBitmapWidth, int previewViewWidth) {
          super(previewRect, previewBitmapWidth, previewViewWidth);
          mRequest = request;
          mCancelSignal = new CancellationSignal();
      }
  
      @Override
      protected boolean onDragStart(DragEvent event) {
          if (!mRequest.isValid()) {
              return false;
          }
          return super.onDragStart(event);
      }
  
      @Override
      public boolean init(Launcher launcher, boolean alreadyOnHome) {
          super.init(launcher, alreadyOnHome);
          if (!alreadyOnHome) {
              UiFactory.useFadeOutAnimationForLauncherStart(launcher, mCancelSignal);
          }
          return false;
      }
  
      @Override
      protected PendingItemDragHelper createDragHelper() {
          final PendingAddItemInfo item;
          if (mRequest.getRequestType() == PinItemRequest.REQUEST_TYPE_SHORTCUT) {
              item = new PendingAddShortcutInfo(
                      new PinShortcutRequestActivityInfo(mRequest, mLauncher));
          } else {
              // mRequest.getRequestType() == PinItemRequestCompat.REQUEST_TYPE_APPWIDGET
              LauncherAppWidgetProviderInfo providerInfo =
                      LauncherAppWidgetProviderInfo.fromProviderInfo(
                              mLauncher, mRequest.getAppWidgetProviderInfo(mLauncher));
              final PinWidgetFlowHandler flowHandler =
                      new PinWidgetFlowHandler(providerInfo, mRequest);
              item = new PendingAddWidgetInfo(providerInfo) {
                  @Override
                  public WidgetAddFlowHandler getHandler() {
                      return flowHandler;
                  }
              };
          }
          View view = new View(mLauncher);
          view.setTag(item);
  
          PendingItemDragHelper dragHelper = new PendingItemDragHelper(view);
          if (mRequest.getRequestType() == PinItemRequest.REQUEST_TYPE_APPWIDGET) {
              dragHelper.setPreview(getPreview(mRequest));
          }
          return dragHelper;
      }
  
      @Override
      public void fillInLogContainerData(View v, ItemInfo info, LauncherLogProto.Target target,
              LauncherLogProto.Target targetParent) {
          targetParent.containerType = LauncherLogProto.ContainerType.PINITEM;
      }
  
      @Override
      protected void postCleanup() {
          super.postCleanup();
          mCancelSignal.cancel();
      }
  
      public static RemoteViews getPreview(PinItemRequest request) {
          Bundle extras = request.getExtras();
          if (extras != null &&
                  extras.get(AppWidgetManager.EXTRA_APPWIDGET_PREVIEW) instanceof RemoteViews) {
              return (RemoteViews) extras.get(AppWidgetManager.EXTRA_APPWIDGET_PREVIEW);
          }
          return null;
      }
  }
  