Moved XMPP notifier library from chrome/browser/sync to chrome/common....

chrome/browser/sync/notifier/base/mac/network_status_detector_task_mac.h

Index: chrome/browser/sync/notifier/base/mac/network_status_detector_task_mac.h
===================================================================
--- chrome/browser/sync/notifier/base/mac/network_status_detector_task_mac.h	(revision 46353)
+++ chrome/browser/sync/notifier/base/mac/network_status_detector_task_mac.h	(working copy)
@@ -1,154 +0,0 @@
-// Copyright (c) 2009 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 CHROME_BROWSER_SYNC_NOTIFIER_BASE_MAC_NETWORK_STATUS_DETECTOR_TASK_MAC_H_
-#define CHROME_BROWSER_SYNC_NOTIFIER_BASE_MAC_NETWORK_STATUS_DETECTOR_TASK_MAC_H_
-
-#include <CoreFoundation/CoreFoundation.h>
-
-#include "base/basictypes.h"
-#include "base/condition_variable.h"
-#include "base/lock.h"
-#include "base/platform_thread.h"
-#include "chrome/browser/sync/notifier/base/network_status_detector_task.h"
-#include "talk/base/messagequeue.h"
-#include "testing/gtest/include/gtest/gtest_prod.h"
-
-namespace talk_base {
-class Message;
-class Task;
-class Thread;
-}  // namespace talk_base
-
-namespace notifier {
-
-// The Mac OS X network status detector works as follows: a worker
-// (Chrome platform) thread is spawned which simply sets up a Cocoa
-// run loop and attaches the network reachability monitor to it.
-// Whenever the network reachability changes, (e.g., changed wireless
-// networks, unplugged ethernet cable) a callback on the worker
-// thread is triggered which then tries to connect to a Google talk
-// host (if the network is indicated to be up) and sends a message
-// with the result to the parent thread.
-
-class NetworkStatusDetectorTaskMac : public NetworkStatusDetectorTask,
-                                     public PlatformThread::Delegate,
-                                     public talk_base::MessageHandler {
- public:
-  explicit NetworkStatusDetectorTaskMac(talk_base::Task* parent);
-
-  virtual ~NetworkStatusDetectorTaskMac();
-
-  // talk_base::Task functions (via NetworkStatusDetectorTask).
-  virtual int ProcessStart();
-  virtual void Stop();
-
-  // talk_base::MessageHandler functions.
-  // Currently OnMessage() simply calls SetNetworkAlive() with alive
-  // set to true iff message->message_id is non-zero.
-  virtual void OnMessage(talk_base::Message* message);
-
-  // Only the following public functions are called from the worker
-  // thread.
-
-  // PlatformThread::Delegate functions.
-  virtual void ThreadMain();
-
-  // Called when network reachability changes.  network_active should
-  // be set only when the network is currently active and connecting
-  // to a host won't require any user intervention or create a network
-  // connection (e.g., prompting for a password, causing a modem to
-  // dial).
-  void NetworkReachabilityChanged(bool network_active);
-
- private:
-  enum WorkerThreadState {
-    WORKER_THREAD_STOPPED = 1,
-    WORKER_THREAD_RUNNING,
-    WORKER_THREAD_ERROR,
-  };
-
-  // If thread_state => WORKER_THREAD_STOPPED:
-  //
-  //   thread_id => parent_thread_id_
-  //   thread_run_loop  => NULL
-  //   possible successor states =>
-  //    { WORKER_THREAD_RUNNING, WORKER_THREAD_ERROR }
-  //
-  // If thread_state => WORKER_THREAD_RUNNING, the worker thread is
-  // successfully running and will continue to run until Stop() is
-  // called.
-  //
-  //   thread_id => id of worker thread (!= parent_thread_id_)
-  //   thread_run_loop => reference to the worker thread's run loop
-  //   possible successor states => { WORKER_THREAD_STOPPED }
-  //
-  // If thread_state => WORKER_THREAD_ERROR, the worker thread has
-  // failed to start running and has stopped.  Join() must be still
-  // called on the worker thread.
-  //
-  //   thread_id => id of worker thread (!= parent_thread_id_)
-  //   thread_run_loop => NULL
-  //   possible successor states => { WORKER_THREAD_STOPPED }
-  //
-  // Only the worker thread can change the state from
-  // WORKER_THREAD_STOPPED to any other state and only the main thread
-  // can change the state to WORKER_THREAD_STOPPED.
-  struct WorkerInfo {
-    WorkerThreadState thread_state;
-    PlatformThreadId thread_id;
-    CFRunLoopRef thread_run_loop;
-
-    // This constructor sets thread_state to WORKER_THREAD_STOPPED
-    // and thread_run_loop to NULL.
-    explicit WorkerInfo(PlatformThreadId thread_id);
-
-    WorkerInfo(WorkerThreadState thread_state,
-               PlatformThreadId thread_id,
-               CFRunLoopRef thread_run_loop);
-  };
-
-  // After this function is called, worker_shared_info_.thread_state
-  // is guaranteed to be WORKER_THREAD_STOPPED and
-  // network_reachability_ is guaranteed to be NULL.  Must be called
-  // only from the parent thread without worker_lock_ being held.
-  void ClearWorker();
-
-  bool IsOnParentThread() const;
-  // Acquires and releases worker_lock_.
-  bool IsOnWorkerThread();
-
-  // The thread ID of the thread that constructed this object.
-  PlatformThreadId parent_thread_id_;
-  // The libjingle thread object of the thread that constructed this
-  // object.
-  talk_base::Thread* parent_thread_;
-
-  // The handle to the worker thread, or kNullThreadHandle if a worker
-  // thread doesn't exist.
-  PlatformThreadHandle worker_thread_;
-
-  // This lock protects worker_shared_info_ when the worker
-  // thread is running.
-  Lock worker_lock_;
-
-  // Signalled by the worker thread when
-  // worker_shared_info_.thread_state moves from WORKER_THREAD_STOPPED
-  // to another state.
-  ConditionVariable worker_thread_not_stopped_;
-
-  // Struct for everything that is shared between the parent and the
-  // worker thread.
-  WorkerInfo worker_shared_info_;
-
-  FRIEND_TEST(NetworkStatusDetectorTaskMacTest, StartNoStopTest);
-  FRIEND_TEST(NetworkStatusDetectorTaskMacTest, StartStopTest);
-
-  DISALLOW_COPY_AND_ASSIGN(NetworkStatusDetectorTaskMac);
-};
-
-}  // namespace notifier
-
-#endif  // CHROME_BROWSER_SYNC_NOTIFIER_BASE_MAC_NETWORK_STATUS_DETECTOR_TASK_MAC_H_
-