From d5e47f6da5b08b13ecdfa7f1edc7e12aeb83fab9 Mon Sep 17 00:00:00 2001
From: Eric Erfanian <erfanian@google.com>
Date: Wed, 15 Mar 2017 14:41:07 -0700
Subject: Update Dialer source from latest green build.

* Refactor voicemail component
* Add new enriched calling components

Test: treehugger, manual aosp testing

Change-Id: I521a0f86327d4b42e14d93927c7d613044ed5942
---
 .../android/voicemail/impl/scheduling/Task.java    | 128 +++++++++++++++++++++
 1 file changed, 128 insertions(+)
 create mode 100644 java/com/android/voicemail/impl/scheduling/Task.java

(limited to 'java/com/android/voicemail/impl/scheduling/Task.java')

diff --git a/java/com/android/voicemail/impl/scheduling/Task.java b/java/com/android/voicemail/impl/scheduling/Task.java
new file mode 100644
index 000000000..2d08f5b03
--- /dev/null
+++ b/java/com/android/voicemail/impl/scheduling/Task.java
@@ -0,0 +1,128 @@
+/*
+ * 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.voicemail.impl.scheduling;
+
+import android.content.Context;
+import android.content.Intent;
+import android.support.annotation.MainThread;
+import android.support.annotation.WorkerThread;
+import android.telecom.PhoneAccountHandle;
+import java.util.Objects;
+
+/**
+ * A task for {@link TaskSchedulerService} to execute. Since the task is sent through a intent to
+ * the scheduler, The task must be constructable with the intent. Specifically, It must have a
+ * constructor with zero arguments, and have all relevant data packed inside the intent. Use {@link
+ * TaskSchedulerService#createIntent(Context, Class)} to create a intent that will construct the
+ * Task.
+ *
+ * <p>Only {@link #onExecuteInBackgroundThread()} is run on the worker thread.
+ */
+public interface Task {
+
+  /**
+   * TaskId to indicate it has not be set. If a task does not provide a default TaskId it should be
+   * set before {@link Task#onCreate(Context, Intent, int, int) returns}
+   */
+  int TASK_INVALID = -1;
+
+  /**
+   * TaskId to indicate it should always be queued regardless of duplicates. {@link
+   * Task#onDuplicatedTaskAdded(Task)} will never be called on tasks with this TaskId.
+   */
+  int TASK_ALLOW_DUPLICATES = -2;
+
+  int TASK_UPLOAD = 1;
+  int TASK_SYNC = 2;
+  int TASK_ACTIVATION = 3;
+
+  /**
+   * Used to differentiate between types of tasks. If a task with the same TaskId is already in the
+   * queue the new task will be rejected.
+   */
+  class TaskId {
+
+    /** Indicates the operation type of the task. */
+    public final int id;
+    /**
+     * Same operation for a different phoneAccountHandle is allowed. phoneAccountHandle is used to
+     * differentiate phone accounts in multi-SIM scenario. For example, each SIM can queue a sync
+     * task for their own.
+     */
+    public final PhoneAccountHandle phoneAccountHandle;
+
+    public TaskId(int id, PhoneAccountHandle phoneAccountHandle) {
+      this.id = id;
+      this.phoneAccountHandle = phoneAccountHandle;
+    }
+
+    @Override
+    public boolean equals(Object object) {
+      if (!(object instanceof TaskId)) {
+        return false;
+      }
+      TaskId other = (TaskId) object;
+      return id == other.id && phoneAccountHandle.equals(other.phoneAccountHandle);
+    }
+
+    @Override
+    public int hashCode() {
+      return Objects.hash(id, phoneAccountHandle);
+    }
+  }
+
+  TaskId getId();
+
+  @MainThread
+  void onCreate(Context context, Intent intent, int flags, int startId);
+
+  /**
+   * @return number of milliSeconds the scheduler should wait before running this task. A value less
+   *     than {@link TaskSchedulerService#READY_TOLERANCE_MILLISECONDS} will be considered ready. If
+   *     no tasks are ready, the scheduler will sleep for this amount of time before doing another
+   *     check (it will still wake if a new task is added). The first task in the queue that is
+   *     ready will be executed.
+   */
+  @MainThread
+  long getReadyInMilliSeconds();
+
+  /**
+   * Called on the main thread when the scheduler is about to send the task into the worker thread,
+   * calling {@link #onExecuteInBackgroundThread()}
+   */
+  @MainThread
+  void onBeforeExecute();
+
+  /** The actual payload of the task, executed on the worker thread. */
+  @WorkerThread
+  void onExecuteInBackgroundThread();
+
+  /**
+   * Called on the main thread when {@link #onExecuteInBackgroundThread()} has finished or thrown an
+   * uncaught exception. The task is already removed from the queue at this point, and a same task
+   * can be queued again.
+   */
+  @MainThread
+  void onCompleted();
+
+  /**
+   * Another task with the same TaskId has been added. Necessary data can be retrieved from the
+   * other task, and after this returns the task will be discarded.
+   */
+  @MainThread
+  void onDuplicatedTaskAdded(Task task);
+}
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