DevTools: DevToolsAndroidBridge polling loops

chrome/browser/devtools/device/devtools_android_bridge.h

 // Copyright 2014 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_DEVTOOLS_DEVICE_DEVTOOLS_ANDROID_BRIDGE_H_
 #define CHROME_BROWSER_DEVTOOLS_DEVICE_DEVTOOLS_ANDROID_BRIDGE_H_
 
 #include <string>
 #include <vector>
 
 #include "base/callback.h"
+#include "base/cancelable_callback.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/prefs/pref_change_registrar.h"
 #include "chrome/browser/devtools/device/android_device_manager.h"
 #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
 #include "components/keyed_service/core/keyed_service.h"
 #include "content/public/browser/devtools_agent_host.h"
 #include "ui/gfx/size.h"
 
 template<typename T> struct DefaultSingletonTraits;
@@ skipping 183 matching lines @@
   };
 
   void AddDeviceCountListener(DeviceCountListener* listener);
   void RemoveDeviceCountListener(DeviceCountListener* listener);
 
   void set_device_providers_for_test(
       const AndroidDeviceManager::DeviceProviders& device_providers) {
     device_manager_->SetDeviceProviders(device_providers);
   }
 
+  void set_device_count_scheduler_for_test(
+      base::Callback<void(base::Closure)> scheduler) {
+    device_count_scheduler_for_test_ = scheduler;
+  }
+
   static bool HasDevToolsWindow(const std::string& agent_id);
 
  private:
   friend struct content::BrowserThread::DeleteOnThread<
       content::BrowserThread::UI>;
   friend class base::DeleteHelper<DevToolsAndroidBridge>;
 
   virtual ~DevToolsAndroidBridge();
 
-  void RequestDeviceList();
-  void ReceivedDeviceList(scoped_ptr<RemoteDevices> devices);
-  void RequestDeviceCount();
+  void StartDeviceListPolling();
+  void StopDeviceListPolling();
+  void RequestDeviceList(
+      const base::Callback<void(const RemoteDevices&)>& callback);
+  void ReceivedDeviceList(const RemoteDevices& devices);
+  void RequestDeviceCount(const base::Callback<void(int)>& callback);
   void ReceivedDeviceCount(int count);
+  void ScheduleDeviceCountRequest(const base::Closure& callback);
 
   void CreateDeviceProviders();
 
   Profile* profile_;
   scoped_refptr<AndroidDeviceManager> device_manager_;
   RemoteDevices devices_;
 
   typedef std::vector<DeviceListListener*> DeviceListListeners;
   DeviceListListeners device_list_listeners_;
+  base::CancelableCallback<void(const RemoteDevices&)> device_list_callback_;
 
   typedef std::vector<DeviceCountListener*> DeviceCountListeners;
   DeviceCountListeners device_count_listeners_;
+  base::CancelableCallback<void(int)> device_count_callback_;
+  base::Callback<void(base::Closure)> device_count_scheduler_for_test_;
 
   PrefChangeRegistrar pref_change_registrar_;
   DISALLOW_COPY_AND_ASSIGN(DevToolsAndroidBridge);
 };
 
 #endif  // CHROME_BROWSER_DEVTOOLS_DEVICE_DEVTOOLS_ANDROID_BRIDGE_H_