зеркало из https://github.com/mozilla/gecko-dev.git
99 строки
2.0 KiB
Plaintext
99 строки
2.0 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 protocol PContent;
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include protocol PFMRadioRequest;
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using mozilla::hal::FMRadioSeekDirection from "mozilla/HalTypes.h";
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namespace mozilla {
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namespace dom {
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struct EnableRequestArgs
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{
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double frequency;
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};
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struct DisableRequestArgs
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{
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};
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struct SetFrequencyRequestArgs
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{
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double frequency;
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};
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struct SeekRequestArgs
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{
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FMRadioSeekDirection direction;
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};
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struct CancelSeekRequestArgs
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{
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};
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union FMRadioRequestArgs
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{
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EnableRequestArgs;
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DisableRequestArgs;
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SetFrequencyRequestArgs;
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SeekRequestArgs;
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CancelSeekRequestArgs;
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};
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struct StatusInfo
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{
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bool enabled;
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double frequency;
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double upperBound;
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double lowerBound;
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double channelWidth;
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};
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sync protocol PFMRadio
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{
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manager PContent;
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manages PFMRadioRequest;
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child:
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/**
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* Sent when the frequency is changed.
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*/
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NotifyFrequencyChanged(double frequency);
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/**
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* Sent when the power state of FM radio HW is changed.
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*/
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NotifyEnabledChanged(bool enabled, double frequency);
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__delete__();
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parent:
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/**
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* Get the current status infomation of FM radio HW synchronously.
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* Sent when the singleton object of FMRadioChild is initialized.
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*/
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sync GetStatusInfo() returns (StatusInfo info);
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/**
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* Send request to parent process to operate the FM radio HW.
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*
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* We don't have separate Enable/SetFrequency/etc. methods instead here,
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* because we can leverage the IPC messaging mechanism to manage the mapping
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* of the asynchronous request and the DOMRequest we returned to the caller
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* on web content, otherwise, we have to do the mapping stuff manually which
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* is more error prone.
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*/
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PFMRadioRequest(FMRadioRequestArgs requestType);
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/**
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* Enable/Disable audio
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*/
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EnableAudio(bool audioEnabled);
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};
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} // namespace dom
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} // namespace mozilla
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