WebEngineDownloadItem QML Type
Provides information about a download. 更多...
| Import Statement: | import QtWebEngine 1.5 |
| 开始支持版本: | QtWebEngine 1.1 |
属性
- id : int
- interruptReason : enumeration
- interruptReasonString : string
- mimeType : string
- path : string
- receivedBytes : int
- savePageFormat : enumeration
- state : enumeration
- totalBytes : int
- type : enumeration
方法
详细描述
Stores the state of a download to be used to manage requested downloads.
By default, the download is rejected unless the user explicitly accepts it with accept().
属性
Returns the reason why the download was interrupted:
| Constant | Description |
|---|---|
WebEngineDownloadItem.NoReason | Unknown reason or not interrupted. |
WebEngineDownloadItem.FileFailed | General file operation failure. |
WebEngineDownloadItem.FileAccessDenied | The file cannot be written locally, due to access restrictions. |
WebEngineDownloadItem.FileNoSpace | Insufficient space on the target drive. |
WebEngineDownloadItem.FileNameTooLong | The directory or file name is too long. |
WebEngineDownloadItem.FileTooLarge | The file size exceeds the file system limitation. |
WebEngineDownloadItem.FileVirusInfected | The file is infected with a virus. |
WebEngineDownloadItem.FileTransientError | Temporary problem (for example the file is in use, out of memory, or too many files are opened at once). |
WebEngineDownloadItem.FileBlocked | The file was blocked due to local policy. |
WebEngineDownloadItem.FileSecurityCheckFailed | An attempt to check the safety of the download failed due to unexpected reasons. |
WebEngineDownloadItem.FileTooShort | An attempt was made to seek past the end of a file when opening a file (as part of resuming a previously interrupted download). |
WebEngineDownloadItem.FileHashMismatch | The partial file did not match the expected hash. |
WebEngineDownloadItem.NetworkFailed | General network failure. |
WebEngineDownloadItem.NetworkTimeout | The network operation has timed out. |
WebEngineDownloadItem.NetworkDisconnected | The network connection has been terminated. |
WebEngineDownloadItem.NetworkServerDown | The server has gone down. |
WebEngineDownloadItem.NetworkInvalidRequest | The network request was invalid (for example, the original or redirected URL is invalid, has an unsupported scheme, or is disallowed by policy). |
WebEngineDownloadItem.ServerFailed | General server failure. |
WebEngineDownloadItem.ServerBadContent | The server does not have the requested data. |
WebEngineDownloadItem.ServerUnauthorized | The server did not authorize access to the resource. |
WebEngineDownloadItem.ServerCertProblem | A problem with the server certificate occurred. |
WebEngineDownloadItem.ServerForbidden | Access forbidden by the server. |
WebEngineDownloadItem.ServerUnreachable | Unexpected server response (might indicate that the responding server may not be the intended server). |
WebEngineDownloadItem.UserCanceled | The user canceled the download. |
This QML property was introduced in QtWebEngine 1.5.
Returns a human-readable description of the reason for interrupting the download.
This QML property was introduced in QtWebEngine 1.5.
参见 interruptReason.
Holds the MIME type of the download.
This QML property was introduced in QtWebEngine 1.2.
Holds the full target path where data is being downloaded to.
The path includes the file name. The default suggested path is the standard download location and file name is deduced not to overwrite already existing files.
The download path can only be set in the WebEngineProfile.onDownloadRequested handler before the download is accepted.
Describes the format that is used to save a web page.
| Constant | Description |
|---|---|
WebEngineDownloadItem.UnknownSaveFormat | This is not a request for downloading a complete web page. |
WebEngineDownloadItem.SingleHtmlSaveFormat | The page is saved as a single HTML page. Resources such as images are not saved. |
WebEngineDownloadItem.CompleteHtmlSaveFormat | The page is saved as a complete HTML page, for example a directory containing the single HTML page and the resources. |
WebEngineDownloadItem.MimeHtmlSaveFormat | The page is saved as a complete web page in the MIME HTML format. |
This QML property was introduced in QtWebEngine 1.3.
Describes the state of the download:
| Constant | Description |
|---|---|
WebEngineDownloadItem.DownloadRequested | Download has been requested, but it has not been accepted yet. |
WebEngineDownloadItem.DownloadInProgress | Download is in progress. |
WebEngineDownloadItem.DownloadCompleted | Download completed successfully. |
WebEngineDownloadItem.DownloadCancelled | Download was cancelled by the user. |
WebEngineDownloadItem.DownloadInterrupted | Download has been interrupted (by the server or because of lost connectivity). |
Holds the total amount of data to download in bytes.
-1 means the total size is unknown.
Describes the requested download's type.
| Constant | Description |
|---|---|
WebEngineDownloadItem.Attachment | The web server's response includes a Content-Disposition header with the attachment directive. If Content-Disposition is present in the reply, the web server is indicating that the client should prompt the user to save the content regardless of the content type. See RFC 2616 section 19.5.1 for details. |
WebEngineDownloadItem.DownloadAttribute | The user clicked a link with the download attribute. See HTML download attribute for details. |
WebEngineDownloadItem.UserRequested | The user initiated the download, for example by selecting a web action. |
WebEngineDownloadItem.SavePage | Saving of the current page was requested (for example by the WebEngineView.SavePage web action). |
This QML property was introduced in QtWebEngine 1.4.