diff options
Diffstat (limited to 'java/com/android/dialer/about/LicenseLoader.java')
-rw-r--r-- | java/com/android/dialer/about/LicenseLoader.java | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/java/com/android/dialer/about/LicenseLoader.java b/java/com/android/dialer/about/LicenseLoader.java new file mode 100644 index 000000000..50d6834d9 --- /dev/null +++ b/java/com/android/dialer/about/LicenseLoader.java @@ -0,0 +1,57 @@ +/* + * 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.dialer.about; + +import android.content.Context; +import android.support.v4.content.AsyncTaskLoader; +import java.util.List; + +/** {@link AsyncTaskLoader} to load the list of licenses for the license menu activity. */ +final class LicenseLoader extends AsyncTaskLoader<List<License>> { + + private List<License> licenses; + + LicenseLoader(Context context) { + // This must only pass the application context to avoid leaking a pointer to the Activity. + super(context.getApplicationContext()); + } + + @Override + public List<License> loadInBackground() { + return Licenses.getLicenses(getContext()); + } + + @Override + public void deliverResult(List<License> licenses) { + this.licenses = licenses; + super.deliverResult(licenses); + } + + @Override + protected void onStartLoading() { + if (licenses != null) { + deliverResult(licenses); + } else { + forceLoad(); + } + } + + @Override + protected void onStopLoading() { + cancelLoad(); + } +} |