diff options
Diffstat (limited to 'Tizen.Content/Tizen.Content.MediaContent/Storage.cs')
| -rw-r--r-- | Tizen.Content/Tizen.Content.MediaContent/Storage.cs | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/Tizen.Content/Tizen.Content.MediaContent/Storage.cs b/Tizen.Content/Tizen.Content.MediaContent/Storage.cs new file mode 100644 index 0000000..b34e6a1 --- /dev/null +++ b/Tizen.Content/Tizen.Content.MediaContent/Storage.cs @@ -0,0 +1,163 @@ +/// Copyright 2016 by Samsung Electronics, Inc., +/// +/// This software is the confidential and proprietary information +/// of Samsung Electronics, Inc.("Confidential Information"). You +/// shall not disclose such Confidential Information and shall use +/// it only in accordance with the terms of the license agreement +/// you entered into with Samsung. + + +using System; +using System.Collections.Generic; +using System.Threading.Tasks; + +namespace Tizen.Content.MediaContent +{ + /// <summary> + /// A Storage allows you to manage external storage. + /// The system generates the storage id when the external storage is added.And the system manages the media information in each of the storage by using storage id. + /// So you can get the information from the storage that you want to view. + /// </summary> + internal class Storage : ContentCollection + { + private IntPtr _storageHandle; + internal IntPtr Handle
+ {
+ get
+ {
+ return _storageHandle;
+ }
+ } + /// <summary> + /// The storage id of the media storage + /// </summary> + public string Id + { + get + { + string id; + MediaContentError res = (MediaContentError)Interop.Storage.GetId(_storageHandle, out id); + if (res != MediaContentError.None) + { + Log.Warn(MediaContentErrorFactory.LogTag, "Failed to get Id for the Storage"); + } + return id; + } + } + + /// <summary> + /// The storage path of the media storage + /// </summary> + public string Path + { + get + { + string path; + MediaContentError res = (MediaContentError)Interop.Storage.GetPath(_storageHandle, out path); + if (res != MediaContentError.None) + { + Log.Warn(MediaContentErrorFactory.LogTag, "Failed to get Path for the Storage"); + } + return path; + } + } + + /// <summary> + /// The storage name of the media storage + /// </summary> + public string Name + { + get + { + string name; + MediaContentError res = (MediaContentError)Interop.Storage.GetName(_storageHandle, out name); + if (res != MediaContentError.None) + { + Log.Warn(MediaContentErrorFactory.LogTag, "Failed to get Name for the Storage"); + } + return name; + } + } + + /// <summary> + /// The storage type of the media storage + /// </summary> + public ContentStorageType StorageType + { + get + { + int storageType; + MediaContentError res = (MediaContentError)Interop.Storage.GetType(_storageHandle, out storageType); + if (res != MediaContentError.None) + { + Log.Warn(MediaContentErrorFactory.LogTag, "Failed to get type for the Storage"); + } + return (ContentStorageType)storageType; + } + } + + internal Storage(IntPtr _storageHandle) + { + this._storageHandle = _storageHandle; + } + + /// <summary> + /// Gets the count of media files for the passed filter in the given storage from the media database. + /// </summary> + /// <param name="filter">ContentFilter used to match media content from the media database.</param> + /// <returns>The number of media contents matching the filter passed</returns> + public override int GetMediaInformationCount(ContentFilter filter) + { + int mediaCount; + IntPtr handle = (filter != null) ? filter.Handle : IntPtr.Zero; + MediaContentError res = (MediaContentError)Interop.Storage.GetMediaCountFromDb(Id, handle, out mediaCount); + if (res != MediaContentError.None) + { + Log.Warn(MediaContentErrorFactory.LogTag, "Failed to get media count for the storage"); + } + return mediaCount; + } + + public override void Dispose() + { + MediaContentError res = (MediaContentError)Interop.Storage.Destroy(_storageHandle); + if (res != MediaContentError.None) + { + Log.Warn(MediaContentErrorFactory.LogTag, "Failed to dispose the storage"); + } + } + + /// <summary> + /// Iterates through the media files with an optional filter in the given storage from the media database. + /// This function gets all media files associated with the given storage and meeting desired filter option. + /// If NULL is passed to the filter, no filtering is applied. + /// </summary> + /// <param name="filter">ContentFilter used to match media content from the media database.</param> + /// <returns>List of content media items matching the passed filter</returns> + public override Task<IEnumerable<MediaInformation>> GetMediaInformationsAsync(ContentFilter filter) + { + var tcs = new TaskCompletionSource<IEnumerable<MediaInformation>>(); + List<MediaInformation> mediaContents = new List<MediaInformation>(); + MediaContentError res; + IntPtr handle = (filter != null) ? filter.Handle : IntPtr.Zero; + Interop.Storage.MediaInfoCallback callback = (Interop.MediaInformation.SafeMediaInformationHandle mediaHandle, IntPtr data) => + { + Interop.MediaInformation.SafeMediaInformationHandle newHandle; + res = (MediaContentError)Interop.MediaInformation.Clone(out newHandle, mediaHandle.DangerousGetHandle()); + if (res != MediaContentError.None) + { + throw MediaContentErrorFactory.CreateException(res, "Failed to clone media"); + } + MediaInformation info = new MediaInformation(newHandle); + mediaContents.Add(info); + }; + res = (MediaContentError)Interop.Storage.ForeachMediaFromDb(Id, handle, callback, IntPtr.Zero); + if (res != MediaContentError.None) + { + throw MediaContentErrorFactory.CreateException(res, "Failed to get media information for the storage"); + } + tcs.TrySetResult(mediaContents); + return tcs.Task; + } + } +} |