feat(plugins): Add web search plugin

src/plugins/web/main.js

@@ -0,0 +1,143 @@
+#!/usr/bin/env gjs
+
+const { GLib, Gio } = imports.gi
+
+const STDIN = new Gio.DataInputStream({ base_stream: new Gio.UnixInputStream({ fd: 0 }) })
+const STDOUT = new Gio.DataOutputStream({ base_stream: new Gio.UnixOutputStream({ fd: 1 }) })
+
+class App {
+    constructor() {
+        this.last_query = ''
+        this.last_value = ''
+        this.query_base = ''
+        this.name_base = ''
+        this.app_info = Gio.AppInfo.get_default_for_uri_scheme('https')
+    }
+
+    complete() {
+        this.send({ event: "noop" })
+    }
+
+    build_query() {
+        return `${this.query_base}${encodeURIComponent(this.last_query)}`
+    }
+
+    query(input) {
+        const delim_position = input.indexOf(' ')
+        const key = input.substring(0, delim_position)
+        this.last_query = input.substr(delim_position + 1).trim()
+
+        switch (key) {
+            case 'wiki':
+                this.query_base = 'https://en.wikipedia.org/w/index.php?search='
+                this.name_base = 'Wikipedia'
+                break
+
+            case 'bing':
+                this.query_base = 'https://www.bing.com/search?q='
+                this.name_base = 'Bing'
+                break
+
+            case 'ddg':
+                this.query_base = 'https://www.duckduckgo.com/?q='
+                this.name_base = 'DuckDuckGo'
+                break
+
+            case 'google':
+                this.query_base = 'https://www.google.com/search?q='
+                this.name_base = 'Google'
+                break
+
+            case 'yt':
+                this.query_base = 'https://www.youtube.com/results?search_query='
+                this.name_base = 'YouTube'
+                break
+
+            case 'amazon':
+                this.query_base = 'https://smile.amazon.com/s?k='
+                this.name_base = 'Amazon'
+                break
+
+            default:
+                this.query_base = 'https://www.duckduckgo.com/?q='
+                this.name_base = 'DuckDuckGo'
+        }
+
+        const selections = [{
+            id: 0,
+            description: this.build_query(),
+            name: `${this.name_base}: ${this.last_query}`,
+            icon: this.app_info.get_icon().to_string(),
+        }]
+
+        this.send({ event: "queried", selections })
+    }
+
+    submit(_id) {
+        try {
+            GLib.spawn_command_line_async(`xdg-open ${this.build_query()}`)
+        } catch (e) {
+            log(`xdg-open failed: ${e} `)
+        }
+
+        this.send({ event: "close" })
+    }
+
+    send(object) {
+        STDOUT.write_bytes(new GLib.Bytes(JSON.stringify(object) + "\n"), null)
+    }
+}
+
+function main() {
+    /** @type {null | ByteArray} */
+    let input_array
+
+    /** @type {string} */
+    let input_str
+
+    /** @type {null | LauncherRequest} */
+    let event_
+
+    let app = new App()
+
+    mainloop:
+    while (true) {
+        try {
+            [input_array,] = STDIN.read_line(null)
+        } catch (e) {
+            break
+        }
+
+        input_str = imports.byteArray.toString(input_array)
+        if ((event_ = parse_event(input_str)) !== null) {
+            switch (event_.event) {
+                case "complete":
+                    app.complete()
+                    break
+                case "query":
+                    if (event_.value) app.query(event_.value)
+                    break
+                case "quit":
+                    break mainloop
+                case "submit":
+                    if (event_.id !== null) app.submit(event_.id)
+            }
+        }
+    }
+}
+
+/**
+ * Parses an IPC event received from STDIN
+ * @param {string} input
+ * @returns {null | LauncherRequest}
+ */
+function parse_event(input) {
+    try {
+        return JSON.parse(input)
+    } catch (e) {
+        log(`Input not valid JSON`)
+        return null
+    }
+}
+
+main()

src/plugins/web/meta.json

@@ -0,0 +1,7 @@
+{
+    "name": "Web Search",
+    "description": "Searches",
+    "pattern": "^(amazon|wiki|bing|ddg|google|yt)\\s.*",
+    "exec": "main.js",
+    "icon": "system-search"
+}