fune/mobile/android/components/geckoview/GeckoViewExternalAppService.js
2018-05-09 11:03:38 -05:00

59 lines
1.9 KiB
JavaScript

/* 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/. */
"use strict";
ChromeUtils.import("resource://gre/modules/XPCOMUtils.jsm");
ChromeUtils.import("resource://gre/modules/GeckoViewUtils.jsm");
/* global debug:false, warn:false */
GeckoViewUtils.initLogging("GeckoView.ExternalAppService", this);
ChromeUtils.defineModuleGetter(this, "EventDispatcher",
"resource://gre/modules/Messaging.jsm");
function ExternalAppService() {
this.wrappedJSObject = this;
}
ExternalAppService.prototype = {
classID: Components.ID("{a89eeec6-6608-42ee-a4f8-04d425992f45}"),
QueryInterface: ChromeUtils.generateQI([Ci.nsIExternalHelperAppService]),
doContent(mimeType, request, context, forceSave) {
const channel = request.QueryInterface(Ci.nsIChannel);
debug `doContent: uri=${channel.URI.displaySpec}
contentType=${channel.contentType}`;
let filename = null;
try {
filename = channel.contentDispositionFilename;
} catch (e) {
// This throws NS_ERROR_NOT_AVAILABLE if there is not
// Content-disposition header.
}
GeckoViewUtils.getDispatcherForWindow(context).sendRequest({
type: "GeckoView:ExternalResponse",
uri: channel.URI.displaySpec,
contentType: channel.contentType,
contentLength: channel.contentLength,
filename: filename
});
request.cancel(Cr.NS_ERROR_ABORT);
Components.returnCode = Cr.NS_ERROR_ABORT;
},
applyDecodingForExtension(ext, encoding) {
debug `applyDecodingForExtension: extension=${ext}
encoding=${encoding}`;
// This doesn't matter for us right now because
// we shouldn't end up reading the stream.
return true;
}
};
this.NSGetFactory = XPCOMUtils.generateNSGetFactory([ExternalAppService]);