Revert 195845 "With this CL we can catch OnResume, OnPause, OnDe..."

trunk/src/net/android/simple_cache_activity_status_notifier.h

-// Copyright (c) 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef NET_ANDROID_SIMPLE_CACHE_ACTIVITY_STATUS_NOTIFIER_H_
-#define NET_ANDROID_SIMPLE_CACHE_ACTIVITY_STATUS_NOTIFIER_H_
-
-#include <jni.h>
-
-#include "base/android/jni_android.h"
-#include "base/basictypes.h"
-#include "base/callback.h"
-#include "base/memory/ref_counted.h"
-#include "base/threading/thread_checker.h"
-
-namespace base {
-class SingleThreadTaskRunner;
-}
-
-namespace net {
-
-// This class is the native twin of the class with same name in
-// SimpleCacheActivityStatusNotifier.java
-// This is used by the SimpleIndex in net/disk_cache/simple/ to listens to
-// changes in the android app state such as the app going to the background or
-// foreground.
-class SimpleCacheActivityStatusNotifier {
-public:
-  // This enum must match the constants defined in
-  // ./base/android/java/src/org/chromium/base/ActivityStatus.java
-  enum ActivityStatus {
-    CREATED = 1,
-    STARTED = 2,
-    RESUMED = 3,
-    PAUSED = 4,
-    STOPPED = 5,
-    DESTROYED = 6
-  };
-
-  typedef base::Callback<void(ActivityStatus activity_status)>
-      ActivityStatusChangedCallback;
-
-  SimpleCacheActivityStatusNotifier(
-      const ActivityStatusChangedCallback& notify_callback);
-
-  ~SimpleCacheActivityStatusNotifier();
-
-  void NotifyActivityStatusChanged(JNIEnv* env,
-                                   jobject obj,
-                                   jint new_activity_status);
-
-  static bool Register(JNIEnv* env);
-
-private:
-  base::android::ScopedJavaGlobalRef<jobject> java_obj_;
-  const ActivityStatusChangedCallback notify_callback_;
-  base::ThreadChecker thread_checker_;
-};
-
-}  // namespace net
-
-#endif  // NET_ANDROID_SIMPLE_CACHE_ACTIVITY_STATUS_NOTIFIER_H_