From 6cc55e4c5ce994be284fc4337eed21844c0eef24 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Mon, 30 Dec 2019 20:16:07 +0100
Subject: status is not a command

---
 editors/code/src/status_display.ts | 105 +++++++++++++++++++++++++++++++++++++
 1 file changed, 105 insertions(+)
 create mode 100644 editors/code/src/status_display.ts

(limited to 'editors/code/src/status_display.ts')

diff --git a/editors/code/src/status_display.ts b/editors/code/src/status_display.ts
new file mode 100644
index 000000000..48cf0655b
--- /dev/null
+++ b/editors/code/src/status_display.ts
@@ -0,0 +1,105 @@
+import * as vscode from 'vscode';
+
+const spinnerFrames = ['⠋', '⠙', '⠹', '⠸', '⠼', '⠴', '⠦', '⠧', '⠇', '⠏'];
+
+export class StatusDisplay implements vscode.Disposable {
+    packageName?: string;
+
+    private i = 0;
+    private statusBarItem: vscode.StatusBarItem;
+    private command: string;
+    private timer?: NodeJS.Timeout;
+
+    constructor(command: string) {
+        this.statusBarItem = vscode.window.createStatusBarItem(
+            vscode.StatusBarAlignment.Left,
+            10,
+        );
+        this.command = command;
+        this.statusBarItem.hide();
+    }
+
+    show() {
+        this.packageName = undefined;
+
+        this.timer =
+            this.timer ||
+            setInterval(() => {
+                if (this.packageName) {
+                    this.statusBarItem!.text = `cargo ${this.command} [${
+                        this.packageName
+                        }] ${this.frame()}`;
+                } else {
+                    this.statusBarItem!.text = `cargo ${
+                        this.command
+                        } ${this.frame()}`;
+                }
+            }, 300);
+
+        this.statusBarItem.show();
+    }
+
+    hide() {
+        if (this.timer) {
+            clearInterval(this.timer);
+            this.timer = undefined;
+        }
+
+        this.statusBarItem.hide();
+    }
+
+    dispose() {
+        if (this.timer) {
+            clearInterval(this.timer);
+            this.timer = undefined;
+        }
+
+        this.statusBarItem.dispose();
+    }
+
+    handleProgressNotification(params: ProgressParams) {
+        const { token, value } = params;
+        if (token !== 'rustAnalyzer/cargoWatcher') {
+            return;
+        }
+
+        switch (value.kind) {
+            case 'begin':
+                this.show();
+                break;
+
+            case 'report':
+                if (value.message) {
+                    this.packageName = value.message;
+                }
+                break;
+
+            case 'end':
+                this.hide();
+                break;
+        }
+    }
+
+    private frame() {
+        return spinnerFrames[(this.i = ++this.i % spinnerFrames.length)];
+    }
+}
+
+// FIXME: Replace this once vscode-languageclient is updated to LSP 3.15
+interface ProgressParams {
+    token: string;
+    value: WorkDoneProgress;
+}
+
+enum WorkDoneProgressKind {
+    Begin = 'begin',
+    Report = 'report',
+    End = 'end',
+}
+
+interface WorkDoneProgress {
+    kind: WorkDoneProgressKind;
+    message?: string;
+    cancelable?: boolean;
+    percentage?: string;
+}
-- 
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