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comparison: dom/fmradio/ipc/PFMRadio.ipdl
dom/fmradio/ipc/PFMRadio.ipdl
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| -1:000000000000 | 0:1743f9c18a2e |
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| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this file, | |
| 3 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 | |
| 6 include protocol PContent; | |
| 7 include protocol PFMRadioRequest; | |
| 8 | |
| 9 using mozilla::hal::FMRadioSeekDirection from "mozilla/HalTypes.h"; | |
| 10 | |
| 11 namespace mozilla { | |
| 12 namespace dom { | |
| 13 | |
| 14 struct EnableRequestArgs | |
| 15 { | |
| 16 double frequency; | |
| 17 }; | |
| 18 | |
| 19 struct DisableRequestArgs | |
| 20 { | |
| 21 }; | |
| 22 | |
| 23 struct SetFrequencyRequestArgs | |
| 24 { | |
| 25 double frequency; | |
| 26 }; | |
| 27 | |
| 28 struct SeekRequestArgs | |
| 29 { | |
| 30 FMRadioSeekDirection direction; | |
| 31 }; | |
| 32 | |
| 33 struct CancelSeekRequestArgs | |
| 34 { | |
| 35 }; | |
| 36 | |
| 37 union FMRadioRequestArgs | |
| 38 { | |
| 39 EnableRequestArgs; | |
| 40 DisableRequestArgs; | |
| 41 SetFrequencyRequestArgs; | |
| 42 SeekRequestArgs; | |
| 43 CancelSeekRequestArgs; | |
| 44 }; | |
| 45 | |
| 46 struct StatusInfo | |
| 47 { | |
| 48 bool enabled; | |
| 49 double frequency; | |
| 50 double upperBound; | |
| 51 double lowerBound; | |
| 52 double channelWidth; | |
| 53 }; | |
| 54 | |
| 55 sync protocol PFMRadio | |
| 56 { | |
| 57 manager PContent; | |
| 58 manages PFMRadioRequest; | |
| 59 | |
| 60 child: | |
| 61 /** | |
| 62 * Sent when the frequency is changed. | |
| 63 */ | |
| 64 NotifyFrequencyChanged(double frequency); | |
| 65 /** | |
| 66 * Sent when the power state of FM radio HW is changed. | |
| 67 */ | |
| 68 NotifyEnabledChanged(bool enabled, double frequency); | |
| 69 | |
| 70 __delete__(); | |
| 71 | |
| 72 parent: | |
| 73 /** | |
| 74 * Get the current status infomation of FM radio HW synchronously. | |
| 75 * Sent when the singleton object of FMRadioChild is initialized. | |
| 76 */ | |
| 77 sync GetStatusInfo() returns (StatusInfo info); | |
| 78 | |
| 79 /** | |
| 80 * Send request to parent process to operate the FM radio HW. | |
| 81 * | |
| 82 * We don't have separate Enable/SetFrequency/etc. methods instead here, | |
| 83 * because we can leverage the IPC messaging mechanism to manage the mapping | |
| 84 * of the asynchronous request and the DOMRequest we returned to the caller | |
| 85 * on web content, otherwise, we have to do the mapping stuff manually which | |
| 86 * is more error prone. | |
| 87 */ | |
| 88 PFMRadioRequest(FMRadioRequestArgs requestType); | |
| 89 | |
| 90 /** | |
| 91 * Enable/Disable audio | |
| 92 */ | |
| 93 EnableAudio(bool audioEnabled); | |
| 94 }; | |
| 95 | |
| 96 } // namespace dom | |
| 97 } // namespace mozilla | |
| 98 |
