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52 lines
2.2 KiB
Plaintext
52 lines
2.2 KiB
Plaintext
// Copyright 2017 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Next MinVersion: 3
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module arc.mojom;
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// re-use device.mojom.UsbDeviceInfo
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import "device/usb/public/mojom/device.mojom";
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// Next method ID: 3
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interface UsbHostHost {
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// Tries to open the USB device node for the device named 'guid' for caller
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// 'pkg_name' and returns an open file descriptor to this node. 'pkg_name'
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// needs to have previously called RequestPermission for this 'guid' else this
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// call will fail. Note the 'pkg_name' is informational purposes only, there
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// is no effective way that host can restrict access to only a specific
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// package at the security boundary formed by this Mojo interface.
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OpenDevice@0(string guid,
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[MinVersion=1] string? pkg_name) => (handle usb_fd);
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// Returns the USB device descriptors for the device named 'guid'.
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GetDeviceInfo@1(string guid) => (string device_name,
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device.mojom.UsbDeviceInfo info);
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// Asks for the permission to access the USB device called 'guid',
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// if 'guid' is an empty string, requests the permission to list USB devices
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// instead.
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// if the permission hasn't successfully obtained in the past, this will
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// trigger a UI pop-up requesting the user authorization on the behalf of
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// the package 'pkg_name' if 'interactive' is set to true, or fail
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// immediately.
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RequestPermission@2(string guid, string pkg_name, bool interactive)
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=> (bool authorized);
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};
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// Next method ID: 3
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interface UsbHostInstance {
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// Establishes full-duplex communication with the host.
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Init@0(UsbHostHost host_ptr) => ();
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// Notifies the instance of a new USB device.
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// Only packages in |event_receiver_packages| will receive broadcast.
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OnDeviceAdded@1(string guid,
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[MinVersion=2] array<string>? event_receiver_packages);
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// Notifies the instance of the removal of a USB device.
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// Only packages in |event_receiver_packages| will receive broadcast.
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OnDeviceRemoved@2(string guid,
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[MinVersion=2] array<string>? event_receiver_packages);
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};
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