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50 lines
1.5 KiB
Plaintext
50 lines
1.5 KiB
Plaintext
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsISupports.idl"
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interface nsIArray;
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interface nsIPresentationDeviceProvider;
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%{C++
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#define PRESENTATION_DEVICE_MANAGER_CONTRACTID "@mozilla.org/presentation-device/manager;1"
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#define PRESENTATION_DEVICE_CHANGE_TOPIC "presentation-device-change"
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%}
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/*
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* Manager for the device availability. User can observe "presentation-device-change"
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* for any update of the available devices.
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*/
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[scriptable, uuid(beb61db5-3d5f-454f-a15a-dbfa0337c569)]
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interface nsIPresentationDeviceManager : nsISupports
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{
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// true if there is any device available.
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readonly attribute boolean deviceAvailable;
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/*
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* Register a device provider manually.
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* @param provider The device provider to add.
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*/
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void addDeviceProvider(in nsIPresentationDeviceProvider provider);
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/*
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* Unregister a device provider manually.
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* @param provider The device provider to remove.
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*/
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void removeDeviceProvider(in nsIPresentationDeviceProvider provider);
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/*
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* Force all registered device providers to update device information.
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*/
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void forceDiscovery();
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/*
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* Retrieve all available devices, return a list of nsIPresentationDevice.
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* The returned list is a cached device list and could be out-of-date.
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* Observe device change events to get following updates.
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*/
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nsIArray getAvailableDevices();
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};
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