| <!-- |
| This is a light weighted demo page used to verify SoftMicPlatformService. |
| Start a http server by running this python3 command in the directory |
| cobalt/demos/content/soft-mic-platform-service/: |
| python3 -m http.server 8000 |
| Then run in Cobalt using this command: |
| out/linux-x64x11_debug/cobalt --url=http://localhost:8000/soft_mic_platform_service_demo.html |
| --> |
| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <body> |
| <script> |
| 'use strict'; |
| |
| /** |
| * @param {ArrayBuffer} data to be converted to a String. |
| */ |
| function ab2str(data) { |
| try { |
| var string_data = new TextDecoder("utf-8").decode(data); |
| return string_data; |
| } catch(error) { |
| console.error(`ab2str() error: ${error}, decoding data: ${data}`); |
| } |
| } |
| |
| /** |
| * @param {String} data to be converted to an ArrayBuffer. |
| */ |
| function str2ab(data) { |
| try { |
| var array_buffer_data = new TextEncoder().encode(data).buffer; |
| return array_buffer_data; |
| } catch(error) { |
| console.error(`str2ab() error: ${error}, decoding data: ${data}`); |
| } |
| } |
| |
| async function testSoftMicPlatformService() { |
| // These default boolean values represent the default assumption for |
| // platforms that do not implement the extension. |
| var has_soft_mic = true; |
| var has_hard_mic = false; |
| |
| if (!H5vccPlatformService) { |
| // H5vccPlatformService is not implemented. Fallback to current Soft Mic |
| // implementation. |
| console.error("H5vccPlatformService is not implemented"); |
| return; |
| } |
| |
| var SOFT_MIC_SERVICE_NAME = "com.google.youtube.tv.SoftMic"; |
| |
| if (!H5vccPlatformService.has(SOFT_MIC_SERVICE_NAME)) { |
| // SOFT_MIC_SERVICE_NAME is not implemented. Fallback to current |
| // Soft Mic implementation. |
| console.error(`H5vccPlatformService.Has(${SOFT_MIC_SERVICE_NAME}) returned false.`); |
| return; |
| } |
| |
| /** |
| * @param {ArrayBuffer} data |
| */ |
| function receiveCallback(service, data) { |
| var str_response = ab2str(data); |
| |
| try { |
| var response = JSON.parse(str_response); |
| has_hard_mic = response["hasHardMicSupport"]; |
| has_soft_mic = response["hasSoftMicSupport"]; |
| console.log(`receiveCallback, has_hard_mic: ${has_hard_mic}, has_soft_mic: ${has_soft_mic}`); |
| } catch (error) { |
| console.error(`receiveCallback() error: ${error}, str_response: ${str_response}`); |
| } |
| } |
| |
| // Open the service and pass the receive_callback. |
| var soft_mic_service = H5vccPlatformService.open(SOFT_MIC_SERVICE_NAME, |
| receiveCallback); |
| |
| // Async web app message for "getMicSupport". |
| soft_mic_service.send(str2ab(JSON.stringify("getMicSupport"))); |
| |
| // Test notifySearchActive and notifySearchInactive web app messages to the platform. |
| soft_mic_service.send(str2ab(JSON.stringify("notifySearchActive"))); |
| soft_mic_service.send(str2ab(JSON.stringify("notifySearchInactive"))); |
| |
| // Close the service when we are done. |
| var TIME_BEFORE_CLOSE = 10000; |
| await new Promise(r => setTimeout(r, TIME_BEFORE_CLOSE)); |
| soft_mic_service.close(); |
| } |
| |
| testSoftMicPlatformService(); |
| |
| </script> |
| </body> |
