1 files changed, 71 insertions, 0 deletions
diff --git a/java/com/android/dialer/shortcuts/RefreshShortcutsTask.java b/java/com/android/dialer/shortcuts/RefreshShortcutsTask.java
new file mode 100644
index 000000000..086d1dc7a
--- /dev/null
+++ b/java/com/android/dialer/shortcuts/RefreshShortcutsTask.java
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2016 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.shortcuts;
+
+import android.annotation.TargetApi;
+import android.app.job.JobParameters;
+import android.app.job.JobService;
+import android.os.AsyncTask;
+import android.os.Build.VERSION_CODES;
+import android.support.annotation.MainThread;
+import android.support.annotation.NonNull;
+import android.support.annotation.WorkerThread;
+import com.android.dialer.common.Assert;
+import com.android.dialer.common.LogUtil;
+
+/** {@link AsyncTask} used by the periodic job service to refresh dynamic and pinned shortcuts. */
+@TargetApi(VERSION_CODES.N_MR1) // Shortcuts introduced in N MR1
+final class RefreshShortcutsTask extends AsyncTask<JobParameters, Void, JobParameters> {
+
+  private final JobService jobService;
+
+  RefreshShortcutsTask(@NonNull JobService jobService) {
+    this.jobService = jobService;
+  }
+
+  /** @param params array with length 1, provided from PeriodicJobService */
+  @Override
+  @NonNull
+  @WorkerThread
+  protected JobParameters doInBackground(JobParameters... params) {
+    Assert.isWorkerThread();
+    LogUtil.enterBlock("RefreshShortcutsTask.doInBackground");
+
+    // Dynamic shortcuts are refreshed from the UI but icons can become stale, so update them
+    // periodically using the job service.
+    //
+    // The reason that icons can become is stale is that there is no last updated timestamp for
+    // pictures; there is only a last updated timestamp for the entire contact row, which changes
+    // frequently (for example, when they are called their "times_contacted" is incremented).
+    // Relying on such a spuriously updated timestamp would result in too frequent shortcut updates,
+    // so instead we just allow the icon to become stale in the case that the contact's photo is
+    // updated, and then rely on the job service to periodically force update it.
+    new DynamicShortcuts(jobService, new IconFactory(jobService)).updateIcons(); // Blocking
+    new PinnedShortcuts(jobService).refresh(); // Blocking
+
+    return params[0];
+  }
+
+  @Override
+  @MainThread
+  protected void onPostExecute(JobParameters params) {
+    Assert.isMainThread();
+    LogUtil.enterBlock("RefreshShortcutsTask.onPostExecute");
+
+    jobService.jobFinished(params, false /* needsReschedule */);
+  }
+}