src/chrome/browser/storage_monitor/image_capture_device_manager.h

   1 // Copyright (c) 2012 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 CHROME_BROWSER_STORAGE_MONITOR_IMAGE_CAPTURE_DEVICE_MANAGER_H_
   6 #define CHROME_BROWSER_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 "chrome/browser/storage_monitor/storage_monitor.h"
  13
  14 @protocol ICDeviceBrowserDelegate;
  15 @class ImageCaptureDevice;
  16 @class ImageCaptureDeviceManagerImpl;
  17
  18 // Upon creation, begins monitoring for any attached devices using the
  19 // ImageCapture API. Notifies clients of the presence of such devices
  20 // (i.e. cameras,  USB cards) using the SystemMonitor and makes them
  21 // available using |deviceForUUID|.
  22 class ImageCaptureDeviceManager {
  23  public:
  24   ImageCaptureDeviceManager();
  25   ~ImageCaptureDeviceManager();
  26
  27   // The UUIDs passed here are available in the device attach notifications
  28   // given through SystemMonitor. They're gotten by cracking the device ID
  29   // and taking the unique ID output.
  30   static ImageCaptureDevice* deviceForUUID(const std::string& uuid);
  31
  32   // Returns a weak pointer to the internal ImageCapture interface protocol.
  33   id<ICDeviceBrowserDelegate> device_browser();
  34
  35   // Sets the receiver for device attach/detach notifications.
  36   // TODO(gbillock): Move this to be a constructor argument.
  37   void SetNotifications(StorageMonitor::Receiver* notifications);
  38
  39   // Eject the given device. The ID passed is not the device ID, but the
  40   // ImageCapture UUID.
  41   void EjectDevice(const std::string& uuid,
  42                    base::Callback<void(StorageMonitor::EjectStatus)> callback);
  43
  44  private:
  45   base::scoped_nsobject<ImageCaptureDeviceManagerImpl> device_browser_;
  46 };
  47
  48 #endif  // CHROME_BROWSER_STORAGE_MONITOR_IMAGE_CAPTURE_DEVICE_MANAGER_H_