content: /*
   * Copyright (C) 2019 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 android.view.textclassifier.intent;
  
  import android.annotation.NonNull;
  import android.annotation.Nullable;
  import android.content.Intent;
  import android.net.Uri;
  import android.os.Bundle;
  import android.text.TextUtils;
  import android.view.textclassifier.Log;
  import android.view.textclassifier.TextClassifier;
  
  import com.android.internal.annotations.VisibleForTesting;
  
  import com.google.android.textclassifier.NamedVariant;
  import com.google.android.textclassifier.RemoteActionTemplate;
  
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * Creates intents based on {@link RemoteActionTemplate} objects.
   *
   * @hide
   */
  @VisibleForTesting(visibility = VisibleForTesting.Visibility.PACKAGE)
  public final class TemplateIntentFactory {
      private static final String TAG = TextClassifier.DEFAULT_LOG_TAG;
  
      /**
       * Constructs and returns a list of {@link LabeledIntent} based on the given templates.
       */
      @Nullable
      public List<LabeledIntent> create(
              @NonNull RemoteActionTemplate[] remoteActionTemplates) {
          if (remoteActionTemplates.length == 0) {
              return new ArrayList<>();
          }
          final List<LabeledIntent> labeledIntents = new ArrayList<>();
          for (RemoteActionTemplate remoteActionTemplate : remoteActionTemplates) {
              if (!isValidTemplate(remoteActionTemplate)) {
                  Log.w(TAG, "Invalid RemoteActionTemplate skipped.");
                  continue;
              }
              labeledIntents.add(
                      new LabeledIntent(
                              remoteActionTemplate.titleWithoutEntity,
                              remoteActionTemplate.titleWithEntity,
                              remoteActionTemplate.description,
                              remoteActionTemplate.descriptionWithAppName,
                              createIntent(remoteActionTemplate),
                              remoteActionTemplate.requestCode == null
                                      ? LabeledIntent.DEFAULT_REQUEST_CODE
                                      : remoteActionTemplate.requestCode));
          }
          return labeledIntents;
      }
  
      private static boolean isValidTemplate(@Nullable RemoteActionTemplate remoteActionTemplate) {
          if (remoteActionTemplate == null) {
              Log.w(TAG, "Invalid RemoteActionTemplate: is null");
              return false;
          }
          if (TextUtils.isEmpty(remoteActionTemplate.titleWithEntity)
                  && TextUtils.isEmpty(remoteActionTemplate.titleWithoutEntity)) {
              Log.w(TAG, "Invalid RemoteActionTemplate: title is null");
              return false;
          }
          if (TextUtils.isEmpty(remoteActionTemplate.description)) {
              Log.w(TAG, "Invalid RemoteActionTemplate: description is null");
              return false;
          }
          if (!TextUtils.isEmpty(remoteActionTemplate.packageName)) {
              Log.w(TAG, "Invalid RemoteActionTemplate: package name is set");
              return false;
          }
          if (TextUtils.isEmpty(remoteActionTemplate.action)) {
              Log.w(TAG, "Invalid RemoteActionTemplate: intent action not set");
              return false;
          }
          return true;
      }
  
      private static Intent createIntent(RemoteActionTemplate remoteActionTemplate) {
          final Intent intent = new Intent(remoteActionTemplate.action);
          final Uri uri = TextUtils.isEmpty(remoteActionTemplate.data)
                  ? null : Uri.parse(remoteActionTemplate.data).normalizeScheme();
          final String type = TextUtils.isEmpty(remoteActionTemplate.type)
                  ? null : Intent.normalizeMimeType(remoteActionTemplate.type);
          intent.setDataAndType(uri, type);
          intent.setFlags(remoteActionTemplate.flags == null ? 0 : remoteActionTemplate.flags);
          if (remoteActionTemplate.category != null) {
              for (String category : remoteActionTemplate.category) {
                  if (category != null) {
                      intent.addCategory(category);
                  }
              }
          }
          intent.putExtras(nameVariantsToBundle(remoteActionTemplate.extras));
          return intent;
      }
  
      /**
       * Converts an array of {@link NamedVariant} to a Bundle and returns it.
       */
      public static Bundle nameVariantsToBundle(@Nullable NamedVariant[] namedVariants) {
          if (namedVariants == null) {
              return Bundle.EMPTY;
          }
          Bundle bundle = new Bundle();
          for (NamedVariant namedVariant : namedVariants) {
              if (namedVariant == null) {
                  continue;
              }
              switch (namedVariant.getType()) {
                  case NamedVariant.TYPE_INT:
                      bundle.putInt(namedVariant.getName(), namedVariant.getInt());
                      break;
                  case NamedVariant.TYPE_LONG:
                      bundle.putLong(namedVariant.getName(), namedVariant.getLong());
                      break;
                  case NamedVariant.TYPE_FLOAT:
                      bundle.putFloat(namedVariant.getName(), namedVariant.getFloat());
                      break;
                  case NamedVariant.TYPE_DOUBLE:
                      bundle.putDouble(namedVariant.getName(), namedVariant.getDouble());
                      break;
                  case NamedVariant.TYPE_BOOL:
                      bundle.putBoolean(namedVariant.getName(), namedVariant.getBool());
                      break;
                  case NamedVariant.TYPE_STRING:
                      bundle.putString(namedVariant.getName(), namedVariant.getString());
                      break;
                  default:
                      Log.w(TAG,
                              "Unsupported type found in nameVariantsToBundle : "
                                      + namedVariant.getType());
              }
          }
          return bundle;
      }
  }
  