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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
module extensions.mime_handler;
// Information about a stream.
struct StreamInfo {
// The MIME type of the intercepted URL request.
string mime_type;
// The original URL that was intercepted.
string original_url;
// The URL that the stream can be read from.
string stream_url;
// The ID of the tab that opened the stream. If the stream is not opened in a
// tab, it will be -1.
int32 tab_id;
// The HTTP response headers of the intercepted request stored as a dictionary
// mapping header name to header value. If a header name appears multiple
// times, the header values are merged in the dictionary and separated by a
// ",". Non-ASCII headers are dropped.
map<string, string> response_headers;
// Whether the stream is embedded within another document.
bool embedded;
interface MimeHandlerService {
// Returns information about the stream associated with this service instance.
// If the stream has been aborted, |stream_info| will be null.
GetStreamInfo() => (StreamInfo? stream_info);
// Aborts the stream associated with this service instance. This is an
// idempotent operation.
AbortStream() => ();
// Provides a mime handler guest with control over beforeunload event handling
// when running in a PluginDocument.
// For full-frame mime handler guests, an instance of this interface is passed
// from the embedding renderer to the browser when creating the mime handler
// guest. If the frame hosting the guest requests this interface from the
// browser, that instance is provided to the guest.
interface BeforeUnloadControl {
// Instructs the containing PluginDocument whether to show a beforeunload
// dialog.
SetShowBeforeUnloadDialog(bool show_dialog) => ();