Add notification for media changed, and notify volume mount watcher when it occurs.

components/storage_monitor/storage_monitor_win.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 COMPONENTS_STORAGE_MONITOR_STORAGE_MONITOR_WIN_H_
 #define COMPONENTS_STORAGE_MONITOR_STORAGE_MONITOR_WIN_H_
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 13 matching lines @@
  public:
   // Should only be called by browser start up code.
   // Use StorageMonitor::GetInstance() instead.
   // To support unit tests, this constructor takes |volume_mount_watcher| and
   // |portable_device_watcher| objects. These params are either constructed in
   // unit tests or in StorageMonitorWin CreateInternal() function.
   StorageMonitorWin(VolumeMountWatcherWin* volume_mount_watcher,
                     PortableDeviceWatcherWin* portable_device_watcher);
   virtual ~StorageMonitorWin();
 
+  void ChangeNotifyRegister();

[vandebo (ex-Chrome), 2014/04/11 22:24:26]

Make private.

RegisterForDeviceChangeNotifications() ?

[Kevin Bailey, 2014/04/22 15:43:03]

Done, and proposed better name.

+
   // Must be called after the file thread is created.
   virtual void Init() OVERRIDE;
 
   // StorageMonitor:
   virtual bool GetStorageInfoForPath(const base::FilePath& path,
                                      StorageInfo* device_info) const OVERRIDE;
   virtual bool GetMTPStorageInfoFromDeviceId(
       const std::string& storage_device_id,
       base::string16* device_location,
       base::string16* storage_object_id) const OVERRIDE;
@@ skipping 10 matching lines @@
   // returns true and fills in |info|.
   bool GetDeviceInfo(const base::FilePath& device_path,
                      StorageInfo* info) const;
 
   static LRESULT CALLBACK WndProcThunk(HWND hwnd, UINT message, WPARAM wparam,
                                        LPARAM lparam);
 
   LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wparam,
                            LPARAM lparam);
 
+  void OnMediaChanged(WPARAM wparam, LPARAM lparam);
   void OnDeviceChange(UINT event_type, LPARAM data);
 
   // The window class of |window_|.
   ATOM window_class_;
 
   // The handle of the module that contains the window procedure of |window_|.
   HMODULE instance_;
   HWND window_;
 
   // The volume mount point watcher, used to manage the mounted devices.
   scoped_ptr<VolumeMountWatcherWin> volume_mount_watcher_;
 
   // The portable device watcher, used to manage media transfer protocol
   // devices.
   scoped_ptr<PortableDeviceWatcherWin> portable_device_watcher_;
 
   DISALLOW_COPY_AND_ASSIGN(StorageMonitorWin);
 };
 
 }  // namespace storage_monitor
 
 #endif  // COMPONENTS_STORAGE_MONITOR_STORAGE_MONITOR_WIN_H_