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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef COMPONENTS_STORAGE_MONITOR_IMAGE_CAPTURE_DEVICE_MANAGER_H_
      6 #define COMPONENTS_STORAGE_MONITOR_IMAGE_CAPTURE_DEVICE_MANAGER_H_
      7 
      8 #import <Foundation/Foundation.h>
      9 #include <string>
     10 
     11 #include "base/mac/scoped_nsobject.h"
     12 #include "components/storage_monitor/storage_monitor.h"
     13 
     14 @protocol ICDeviceBrowserDelegate;
     15 @class ImageCaptureDevice;
     16 @class ImageCaptureDeviceManagerImpl;
     17 
     18 namespace storage_monitor {
     19 
     20 // Upon creation, begins monitoring for any attached devices using the
     21 // ImageCapture API. Notifies clients of the presence of such devices
     22 // (i.e. cameras,  USB cards) using the SystemMonitor and makes them
     23 // available using |deviceForUUID|.
     24 class ImageCaptureDeviceManager {
     25  public:
     26   ImageCaptureDeviceManager();
     27   ~ImageCaptureDeviceManager();
     28 
     29   // The UUIDs passed here are available in the device attach notifications
     30   // given through SystemMonitor. They're gotten by cracking the device ID
     31   // and taking the unique ID output.
     32   static ImageCaptureDevice* deviceForUUID(const std::string& uuid);
     33 
     34   // Returns a weak pointer to the internal ImageCapture interface protocol.
     35   id<ICDeviceBrowserDelegate> device_browser();
     36 
     37   // Sets the receiver for device attach/detach notifications.
     38   // TODO(gbillock): Move this to be a constructor argument.
     39   void SetNotifications(StorageMonitor::Receiver* notifications);
     40 
     41   // Eject the given device. The ID passed is not the device ID, but the
     42   // ImageCapture UUID.
     43   void EjectDevice(const std::string& uuid,
     44                    base::Callback<void(StorageMonitor::EjectStatus)> callback);
     45 
     46  private:
     47   base::scoped_nsobject<ImageCaptureDeviceManagerImpl> device_browser_;
     48 };
     49 
     50 }  // namespace storage_monitor
     51 
     52 #endif  // COMPONENTS_STORAGE_MONITOR_IMAGE_CAPTURE_DEVICE_MANAGER_H_
     53