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- // 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_IMAGE_CAPTURE_DEVICE_H_
- #define COMPONENTS_STORAGE_MONITOR_IMAGE_CAPTURE_DEVICE_H_
- #import <Foundation/Foundation.h>
- #import <ImageCaptureCore/ImageCaptureCore.h>
- #include "base/files/file.h"
- #include "base/files/file_path.h"
- #include "base/mac/foundation_util.h"
- #include "base/mac/scoped_nsobject.h"
- #include "base/memory/ref_counted.h"
- #include "base/memory/weak_ptr.h"
- #include "base/strings/string_util.h"
- #include "base/strings/sys_string_conversions.h"
- #include "base/synchronization/lock.h"
- namespace storage_monitor {
- // Clients use this listener interface to get notifications about
- // events happening as a particular ImageCapture device is interacted with.
- // Clients drive the interaction through the ImageCaptureDeviceManager
- // and the ImageCaptureDevice classes, and get notifications of
- // events through this interface.
- class ImageCaptureDeviceListener {
- public:
- virtual ~ImageCaptureDeviceListener() {}
- // Get a notification that a particular item has been found on the device.
- // These calls will come automatically after a new device is initialized.
- // Names are in relative path form, so subdirectories and files in them will
- // be passed as "dir/subdir/filename". These same relative filenames should
- // be used as keys to download files.
- virtual void ItemAdded(const std::string& name,
- const base::File::Info& info) = 0;
- // Called when there are no more items to retrieve.
- virtual void NoMoreItems() = 0;
- // Called upon completion of a file download request.
- // Note: in NOT_FOUND error case, may be called inline with the download
- // request.
- virtual void DownloadedFile(const std::string& name,
- base::File::Error error) = 0;
- // Called to let the client know the device is removed. The client should
- // set the ImageCaptureDevice listener to null upon receiving this call.
- virtual void DeviceRemoved() = 0;
- };
- } // namespace storage_monitor
- // Interface to a camera device found by ImageCaptureCore. This class manages a
- // session to the camera and provides the backing interactions to present the
- // media files on it to the filesystem delegate. FilePaths will be artificial,
- // like "/$device_id/" + name.
- // Note that all interactions with this class must happen on the UI thread.
- @interface ImageCaptureDevice
- : NSObject<ICCameraDeviceDelegate, ICCameraDeviceDownloadDelegate> {
- @private
- base::scoped_nsobject<ICCameraDevice> _camera;
- base::WeakPtr<storage_monitor::ImageCaptureDeviceListener> _listener;
- bool _closing;
- }
- - (instancetype)initWithCameraDevice:(ICCameraDevice*)cameraDevice;
- - (void)setListener:
- (base::WeakPtr<storage_monitor::ImageCaptureDeviceListener>)listener;
- - (void)open;
- - (void)close;
- - (void)eject;
- // Download the given file |name| to the provided |local_path|. Completion
- // notice will be sent to the listener's DownloadedFile method. The name
- // should be of the same form as those sent to the listener's ItemAdded method.
- - (void)downloadFile:(const std::string&)name
- localPath:(const base::FilePath&)localPath;
- @end
- #endif // COMPONENTS_STORAGE_MONITOR_IMAGE_CAPTURE_DEVICE_H_
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