gecko-dev/dom/webidl/Downloads.webidl
2014-02-25 15:38:56 -08:00

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/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/.
*/
// Represents the state of a download.
// "downloading": The resource is actively transfering.
// "stopped" : No network tranfer is happening.
// "succeeded" : The resource has been downloaded successfully.
// "finalized" : We won't try to download this resource, but the DOM
// object is still alive.
enum DownloadState {
"downloading",
"stopped",
"succeeded",
"finalized"
};
//
// XXXTODO: When we have a generic way to do feature detection in marketplace
// we will *STOP* using the pref and use the function like DOMDownload
// and DownloadEvent.
//
[NoInterfaceObject,
NavigatorProperty="mozDownloadManager",
JSImplementation="@mozilla.org/downloads/manager;1",
Pref="dom.mozDownloads.enabled"]
interface DOMDownloadManager : EventTarget {
// This promise returns an array of downloads with all the current
// download objects.
Promise getDownloads();
// Removes one download from the downloads set. Returns a promise resolved
// with the finalized download.
Promise remove(DOMDownload download);
// Removes all the completed downloads from the set.
Promise clearAllDone();
// Fires when a new download starts.
attribute EventHandler ondownloadstart;
};
[JSImplementation="@mozilla.org/downloads/download;1",
Func="Navigator::HasDownloadsSupport"]
interface DOMDownload : EventTarget {
// The full size of the resource.
readonly attribute long long totalBytes;
// The number of bytes that we have currently downloaded.
readonly attribute long long currentBytes;
// The url of the resource.
readonly attribute DOMString url;
// The path in local storage where the file will end up once the download
// is complete.
readonly attribute DOMString path;
// The state of the download.
readonly attribute DownloadState state;
// The mime type for this resource.
readonly attribute DOMString contentType;
// The timestamp this download started.
readonly attribute Date startTime;
// An opaque identifier for this download. All instances of the same
// download (eg. in different windows) will have the same id.
readonly attribute DOMString id;
// A DOM error object, that will be not null when a download is stopped
// because something failed.
readonly attribute DOMError? error;
// Pauses the download.
Promise pause();
// Resumes the download. This resolves only once the download has
// succeeded.
Promise resume();
// This event is triggered anytime a property of the object changes:
// - when the transfer progresses, updating currentBytes.
// - when the state and/or error attributes change.
attribute EventHandler onstatechange;
};