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'unavailable' : runSyncAsUser('./screen.sh', ['state']);\n\nlet currentScreenState: ScreenStateType = getScreenState();\n\n// CONFIG\nlet disableTouchscreenIfHDMIConnected;\nlet reverseTouchscreen;\n\nlogger.info('init', { currentScreens, currentScreenState });\n\nconst isTouchscreen = screen => screen.startsWith('DSI');\nconst isHDMIScreen = screen => screen.startsWith('HDMI');\n\nconst updateCurrentScreenState = (newState: ScreenStateType = getScreenState()) => {\n currentScreens = getScreens();\n\n if (currentScreenState !== newState) {\n currentScreenState = newState;\n sendUpdate({\n screenState: currentScreenState,\n screen: { state: currentScreenState, screens: currentScreens },\n });\n }\n};\n\nconst reverseScreen = (screen: string) =>\n runSyncAsUser('./screen.sh', ['reverse-screen', screen, device.touchscreen]);\n\nconst turnScreen = (state: 'on' | 'off'): void => {\n runSyncAsUser('./screen.sh', [state]);\n updateCurrentScreenState(state);\n};\n\nexport const getCurrentScreenState = (): ScreenStateType => currentScreenState;\nexport const getCurrentScreens = (): Array<string> => currentScreens;\n\nexport const on = (autoStartDisplay = true): void => {\n logger.info('turning screen on');\n\n // start display before turning on to avoid blank screen\n if (autoStartDisplay) display.start();\n\n runSync('./screen.sh', ['root-on']);\n turnScreen('on');\n screensaver.set();\n\n if (disableTouchscreenIfHDMIConnected || reverseTouchscreen) {\n const touchscreens = currentScreens.filter(isTouchscreen);\n\n if (\n disableTouchscreenIfHDMIConnected &&\n touchscreens.length &&\n currentScreens.length > 1 &&\n currentScreens.some(isHDMIScreen)\n ) {\n runSyncAsUser('./screen.sh', ['screens-off', ...touchscreens]);\n } else if (reverseTouchscreen) {\n touchscreens.forEach(reverseScreen);\n } else {\n runSyncAsUser('./screen.sh', ['screens-on', ...touchscreens]);\n }\n }\n};\n\nexport const off = (): void => {\n logger.info('turning screen off');\n display.stop();\n turnScreen('off');\n};\n\nexport const update = (config: Object, firstTime: ?boolean = false) => {\n if (!display.supports(config.display)) {\n logger.warn('display not supported', { display: config.display });\n if (config.display !== 'none') off(); // only off if display is not \"disabled\"\n return;\n }\n\n if (firstTime) {\n runSyncAsUser('./screen.sh', ['waitForX']);\n }\n\n updateCurrentScreenState();\n\n if (currentScreenState === 'on') {\n display.update(config, true);\n if (firstTime) {\n // eslint-disable-next-line prefer-destructuring\n disableTouchscreenIfHDMIConnected = config.disableTouchscreenIfHDMIConnected;\n // eslint-disable-next-line prefer-destructuring\n reverseTouchscreen = config.reverseTouchscreen;\n on(false);\n } else if (\n disableTouchscreenIfHDMIConnected !== config.disableTouchscreenIfHDMIConnected ||\n reverseTouchscreen !== config.reverseTouchscreen\n ) {\n // eslint-disable-next-line prefer-destructuring\n disableTouchscreenIfHDMIConnected = config.disableTouchscreenIfHDMIConnected;\n // eslint-disable-next-line prefer-destructuring\n reverseTouchscreen = config.reverseTouchscreen;\n on(false);\n }\n screensaver.update(config);\n } else {\n display.update(config, false);\n screensaver.update(config, false);\n }\n};\n\nexport const screenshot = () => {\n if (currentScreenState !== 'on') {\n logger.debug('screenshot: screen is not on');\n return;\n }\n\n logger.info('getting screenshot');\n return runPipeAsUser('./screen.sh', ['screenshot', device.id]);\n};\n"]} |