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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// `file_handlers` manifest key defintion. File Handlers allow developers to
// let extensions interact with files on the operating system. This manifest key
// can be used by developers to register an extension to a given file type.
[generate_error_messages] namespace fileHandlers {
// Icon specification similar to an ImageResource.
dictionary Icon {
// TODO(crbug.com/40238266) Add `DOMString? label;` for accessibility.
// URL from which a user agent can fetch image data.
DOMString src;
// Multiple space-separated size values to also accommodate image formats
// that can act as containers for multiple images of varying dimensions:
// e.g. "16x16", "16x16 32x32".
DOMString? sizes;
// MIME type is purely advisory with no default value.
DOMString? type;
};
// A FileHandler registers the ability to read, stream, or edit files of given
// MIME types and/or file extensions.
dictionary FileHandler {
// A mapping of one or more MIME types to one or more file extensions.
// e.g. "accept": {"text/csv": ".csv"} or {"text/csv": [".csv", ".txt"]}.
object accept;
// Specifies the url after the origin that is the navigation destination for
// file handling launches.
DOMString action;
// Description of the file type.
DOMString name;
// Array of ImageResources. Only icons declared at the manifest level are
// currently supported. The icon for the extension will appear in the "Open"
// menu.
Icon[]? icons;
// Whether multiple files should be opened in a single client or multiple.
// Defaults to `single-client`, which makes all files available in only one
// tab. `multiple-client` opens a new tab for each file.
DOMString? launch_type;
};
dictionary ManifestKeys {
// File Handlers to register onto the target system.
FileHandler[] file_handlers;
};
};
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