/// <summary>
/// 创建视图模型项
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
private DeviceSyncItem CreateSyncItemViewModel(DeviceSyncItem item)
{
var viewItem = new DeviceSyncItem
{
NameView = item.NameView,
FolderView = item.FolderView,
SourceView = item.SourceView
};
if (null != item.ImgByte)
{
try
{
//有真实预览图则显示预览图
viewItem.BitImg = ImageUtil.GetBitmapImage(item.ImgByte);
item.ImgByte = null;
return(viewItem);
}
catch (Exception) { }
}
//没有预览图/获取失败则根据文件类型显示默认图标
switch (item.ContentType)
{
case SyncContentType.AUDIO: viewItem.BitImg = ApplicationConstant.GetDefaultAudioIcon(); break;
case SyncContentType.IMAGE: viewItem.BitImg = ApplicationConstant.GetDefaultImageIcon(); break;
case SyncContentType.VIDEO: viewItem.BitImg = ApplicationConstant.GetDefaultVideoIcon(); break;
case SyncContentType.OTHER: viewItem.BitImg = ApplicationConstant.GetDefaultFileIcon(); break;
}
return(viewItem);
}
/// <summary>
/// 创建同步项
/// </summary>
/// <param name="fileName">文件名称</param>
/// <param name="folderPath">文件路径</param>
/// <param name="source">源 1 PC, 2 移动设备</param>
/// <param name="device">设备</param>
/// <param name="driverName">设备驱动</param>
/// <returns></returns>
private DeviceSyncItem CreateSyncItem(string fileName, string folderPath, SyncDeviceType source, MediaDevice device, string driverName)
{
//判断文件是否存在于设备
var item = new DeviceSyncItem()
{
NameView = fileName,
SourceView = source,
FolderView = folderPath,
};
var mediaType = FileUtil.GetMediaTypeByName(fileName);
item.ContentType = mediaType;
if (mediaType == SyncContentType.IMAGE || mediaType == SyncContentType.VIDEO)
{
if (source == SyncDeviceType.PHONE)
{
var fileInfo = device.GetFileInfo(Path.Combine(driverName, folderPath, fileName));
var imgByte = GetMediaFileThumbnail(fileInfo);
if (null != imgByte)
{
item.ImgByte = imgByte;
}
}
else
{
var imgByte = ImageUtil.CreateThumbnail(Path.Combine(folderPath, fileName), 100, 100);
item.ImgByte = ImageUtil.ImageToByteArray(imgByte);
}
}
if (mediaType == SyncContentType.AUDIO)
{
//PC文件直接读取
if (source == SyncDeviceType.PC)
{
item.ImgByte = FileUtil.GetAudioFileAlbum(Path.Combine(folderPath, fileName));
}
else
{
//手机文件, 先复制到临时文件夹, 再读取
var winTempFolder = Path.GetTempPath();
if (!string.IsNullOrEmpty(winTempFolder))
{
var tempFullPath = Path.Combine(winTempFolder, fileName);
if (System.IO.File.Exists(tempFullPath))
{
//已存在则直接读取
item.ImgByte = FileUtil.GetAudioFileAlbum(tempFullPath);
}
else
{
//不存在则复制
var fileInfo = device.GetFileInfo(Path.Combine(driverName, folderPath, fileName));
fileInfo.CopyTo(tempFullPath);
item.ImgByte = FileUtil.GetAudioFileAlbum(tempFullPath);
}
}
}
}
return(item);
}
