Screensaver for etcher-pro

Change-type: patch

lib/gui/app/app.js

@@ -45,6 +45,7 @@ const driveScanner = require('./modules/drive-scanner')
 const osDialog = require('./os/dialog')
 const exceptionReporter = require('./modules/exception-reporter')
 const updateLock = require('./modules/update-lock')
+const screensaver = require('./modules/screensaver')
 
 /* eslint-disable lodash/prefer-lodash-method,lodash/prefer-get */
 
@@ -506,3 +507,5 @@ angular.element(document).ready(() => {
     angular.bootstrap(document, [ 'Etcher' ])
   }).catch(exceptionReporter.report)
 })
+
+screensaver.init()

lib/gui/app/modules/screensaver.ts

@@ -0,0 +1,63 @@
+/*
+ * Copyright 2019 resin.io
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { execFile } from 'child_process';
+import { promisify } from 'util';
+
+const execFileAsync = promisify(execFile);
+const EVENT_TYPES = [
+	'focus',
+	'keydown',
+	'keyup',
+	'pointerdown',
+	'pointermove',
+	'pointerup',
+] as const;
+const SCREENSAVER_DELAY = 30 * 1000; // TODO: make this configurable
+
+function exec(
+	command: string,
+	...args: string[]
+): Promise<{ stdout: string; stderr: string }> {
+	return execFileAsync(command, args);
+}
+
+async function screenOff(): Promise<void> {
+	await exec('xset', 'dpms', 'force', 'suspend');
+}
+
+async function ledsOn(): Promise<void> {
+	// TODO
+}
+
+async function ledsOff(): Promise<void> {
+	// TODO
+}
+
+async function off() {
+	await Promise.all([ledsOff(), screenOff()]);
+}
+
+export function init(): void {
+	let timeout = setTimeout(screenOff, SCREENSAVER_DELAY);
+	for (const eventType of EVENT_TYPES) {
+		addEventListener(eventType, async () => {
+			clearTimeout(timeout);
+			timeout = setTimeout(off, SCREENSAVER_DELAY);
+			await ledsOn();
+		});
+	}
+}

lib/gui/app/pages/settings/controllers/settings.js

@@ -120,4 +120,19 @@ module.exports = function (WarningModalService) {
   this.shouldShowUnsafeMode = () => {
     return !settings.get('disableUnsafeMode')
   }
+
+  /**
+   * @summary Show the enableScreensaver setting
+   * @function
+   * @public
+   *
+   * @returns {Boolean}
+   *
+   *
+   * @example
+   * SettingsController.shouldShowEnableScreensaver()
+   */
+  this.shouldShowEnableScreensaver = () => {
+    return settings.get('showEnableScreensaver')
+  }
 }

lib/gui/app/pages/settings/templates/settings.tpl.html

@@ -77,4 +77,14 @@
       <span>Unsafe mode <span class="label label-danger">Dangerous</span></span>
     </label>
   </div>
+
+  <div class="checkbox" ng-if="settings.shouldShowEnableScreensaver()">
+    <label>
+      <input type="checkbox"
+        tabindex="11"
+        ng-model="settings.currentData.enableScreensaver"
+        ng-change="settings.toggle('enableScreensaver')">
+      <span>Enable screensaver</span>
+    </label>
+  </div>
 </div>

npm-shrinkwrap.json

@@ -1054,9 +1054,9 @@
       "dev": true
     },
     "@types/node": {
-      "version": "6.14.3",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-6.14.3.tgz",
-      "integrity": "sha512-V2VrQBCKo4U0rni6tW4AASRDqIO5ZTLDN/Xzrm4mNBr9SGQYZ+7zZJn+hMs89Q8ZCIHzp4aWQPyCpK+rux1YGA=="
+      "version": "10.14.9",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-10.14.9.tgz",
+      "integrity": "sha512-NelG/dSahlXYtSoVPErrp06tYFrvzj8XLWmKA+X8x0W//4MqbUyZu++giUG/v0bjAT6/Qxa8IjodrfdACyb0Fg=="
     },
     "@types/optimist": {
       "version": "0.0.29",
@@ -5500,6 +5500,13 @@
         "unzip-stream": "^0.3.0",
         "xxhash": "github:balena-io-modules/node-xxhash#70ac31da1a41c6f8c53d931b5802c6c93f7b6b83",
         "yauzl": "^2.9.2"
+      },
+      "dependencies": {
+        "@types/node": {
+          "version": "6.14.6",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-6.14.6.tgz",
+          "integrity": "sha512-rFs9zCFtSHuseiNXxYxFlun8ibu+jtZPgRM+2ILCmeLiGeGLiIGxuOzD+cNyHegI1GD+da3R/cIbs9+xCLp13w=="
+        }
       }
     },
     "event-emitter": {
@@ -8670,6 +8677,13 @@
         "@types/usb": "^1.5.1",
         "debug": "^3.1.0",
         "usb": "github:resin-io/node-usb#1.3.6"
+      },
+      "dependencies": {
+        "@types/node": {
+          "version": "6.14.6",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-6.14.6.tgz",
+          "integrity": "sha512-rFs9zCFtSHuseiNXxYxFlun8ibu+jtZPgRM+2ILCmeLiGeGLiIGxuOzD+cNyHegI1GD+da3R/cIbs9+xCLp13w=="
+        }
       }
     },
     "node-releases": {

package.json

@@ -86,6 +86,7 @@
     "@babel/plugin-proposal-function-bind": "^7.2.0",
     "@babel/preset-env": "^7.2.0",
     "@babel/preset-react": "^7.0.0",
+    "@types/node": "^10.14.9",
     "@types/react-dom": "^16.8.4",
     "acorn": "^6.0.5",
     "angular-mocks": "1.7.6",
@@ -117,9 +118,9 @@
     "simple-progress-webpack-plugin": "^1.1.2",
     "spectron": "^5.0.0",
     "style-loader": "^0.23.1",
-    "webpack": "^4.31.0",
     "ts-loader": "^6.0.2",
     "typescript": "^3.5.1",
+    "webpack": "^4.31.0",
     "webpack-cli": "^3.1.2",
     "webpack-node-externals": "^1.7.2"
   }

tsconfig.json

@@ -11,6 +11,7 @@
   },
   "include": [
     "lib/**/*.ts",
+    "node_modules/electron/**/*.d.ts",
     "typings/**/*.d.ts"
   ]
 }