Add ability to restart running task

Fixes #5330

- adds a new command and menu item to `restart running task`.
- updates the task-service methods `restartTask` and `terminateTask` to make them public so
others may call them.

Signed-off-by: vince-fugnitto <vincent.fugnitto@ericsson.com>

packages/task/src/browser/quick-open-task.ts

@@ -19,7 +19,7 @@ import { TaskService } from './task-service';
 import { TaskInfo, TaskConfiguration, TaskCustomization } from '../common/task-protocol';
 import { TaskDefinitionRegistry } from './task-definition-registry';
 import URI from '@theia/core/lib/common/uri';
-import { QuickOpenHandler, QuickOpenService, QuickOpenOptions, QuickOpenBaseAction } from '@theia/core/lib/browser';
+import { QuickOpenHandler, QuickOpenService, QuickOpenOptions, QuickOpenBaseAction, LabelProvider } from '@theia/core/lib/browser';
 import { WorkspaceService } from '@theia/workspace/lib/browser';
 import { TerminalService } from '@theia/terminal/lib/browser/base/terminal-service';
 import { FileSystem } from '@theia/filesystem/lib/common';
@@ -721,3 +721,96 @@ export class TaskRunningQuickOpen implements QuickOpenModel {
         });
     }
 }
+
+export class TaskRestartRunningQuickOpenItem extends QuickOpenItem {
+
+    constructor(
+        protected readonly task: TaskConfiguration,
+        protected readonly taskInfo: TaskInfo,
+        protected readonly taskService: TaskService,
+        protected readonly taskDefinitionRegistry: TaskDefinitionRegistry,
+        protected readonly labelProvider: LabelProvider,
+        protected readonly isMulti: boolean,
+        public readonly options: QuickOpenGroupItemOptions,
+    ) {
+        super(options);
+    }
+
+    getLabel(): string {
+        return this.taskInfo.config.label;
+    }
+
+    getDescription(): string {
+        if (!this.isMulti) {
+            return '';
+        }
+        if (this.taskDefinitionRegistry && !!this.taskDefinitionRegistry.getDefinition(this.task)) {
+            if (this.task._scope) {
+                return this.labelProvider.getName(new URI(this.task._scope));
+            }
+            return this.task._source;
+        } else {
+            return this.labelProvider.getName(new URI(this.task._source));
+        }
+    }
+
+    run(mode: QuickOpenMode): boolean {
+        if (mode !== QuickOpenMode.OPEN) {
+            return false;
+        }
+        this.taskService.restartTask(this.taskInfo);
+        return true;
+    }
+}
+
+@injectable()
+export class TaskRestartRunningQuickOpen implements QuickOpenModel {
+
+    @inject(LabelProvider)
+    protected readonly labelProvider: LabelProvider;
+
+    @inject(QuickOpenService)
+    protected readonly quickOpenService: QuickOpenService;
+
+    @inject(TaskDefinitionRegistry)
+    protected readonly taskDefinitionRegistry: TaskDefinitionRegistry;
+
+    @inject(TaskService)
+    protected readonly taskService: TaskService;
+
+    @inject(WorkspaceService)
+    protected readonly workspaceService: WorkspaceService;
+
+    async onType(_lookFor: string, acceptor: (items: QuickOpenItem[]) => void): Promise<void> {
+        const items = [];
+        const runningTasks: TaskInfo[] = await this.taskService.getRunningTasks();
+        const isMulti: boolean = this.workspaceService.isMultiRootWorkspaceOpened;
+        if (runningTasks.length <= 0) {
+            items.push(new QuickOpenItem({
+                label: 'No task to restart',
+                run: (): boolean => false,
+            }));
+        } else {
+            runningTasks.forEach((task: TaskInfo) => {
+                items.push(new TaskRestartRunningQuickOpenItem(
+                    task.config,
+                    task,
+                    this.taskService,
+                    this.taskDefinitionRegistry,
+                    this.labelProvider,
+                    isMulti,
+                    {},
+                ));
+            });
+        }
+        acceptor(items);
+    }
+
+    async open(): Promise<void> {
+        this.quickOpenService.open(this, {
+            placeholder: 'Select task to restart',
+            fuzzyMatchLabel: true,
+            fuzzyMatchDescription: true,
+        });
+    }
+}

packages/task/src/browser/task-frontend-contribution.ts

@@ -16,7 +16,7 @@
 
 import { inject, injectable, named, postConstruct } from 'inversify';
 import { ILogger, ContributionProvider } from '@theia/core/lib/common';
-import { QuickOpenTask, TaskTerminateQuickOpen, TaskRunningQuickOpen } from './quick-open-task';
+import { QuickOpenTask, TaskTerminateQuickOpen, TaskRunningQuickOpen, TaskRestartRunningQuickOpen } from './quick-open-task';
 import { CommandContribution, Command, CommandRegistry, MenuContribution, MenuModelRegistry } from '@theia/core/lib/common';
 import {
     FrontendApplication, FrontendApplicationContribution, QuickOpenContribution,
@@ -97,6 +97,12 @@ export namespace TaskCommands {
         category: TASK_CATEGORY,
         label: 'Terminate Task'
     };
+
+    export const TASK_RESTART_RUNNING: Command = {
+        id: 'task:restart-running',
+        category: TASK_CATEGORY,
+        label: 'Restart Running Task...'
+    };
 }
 
 const TASKS_STORAGE_KEY = 'tasks';
@@ -142,6 +148,9 @@ export class TaskFrontendContribution implements CommandContribution, MenuContri
     @inject(TaskTerminateQuickOpen)
     protected readonly taskTerminateQuickOpen: TaskTerminateQuickOpen;
 
+    @inject(TaskRestartRunningQuickOpen)
+    protected readonly taskRestartRunningQuickOpen: TaskRestartRunningQuickOpen;
+
     @inject(TaskWatcher)
     protected readonly taskWatcher: TaskWatcher;
 
@@ -293,6 +302,13 @@ export class TaskFrontendContribution implements CommandContribution, MenuContri
                 execute: () => this.taskTerminateQuickOpen.open()
             }
         );
+
+        registry.registerCommand(
+            TaskCommands.TASK_RESTART_RUNNING,
+            {
+                execute: () => this.taskRestartRunningQuickOpen.open()
+            }
+        );
     }
 
     registerMenus(menus: MenuModelRegistry): void {
@@ -332,10 +348,16 @@ export class TaskFrontendContribution implements CommandContribution, MenuContri
             order: '0'
         });
 
+        menus.registerMenuAction(TerminalMenus.TERMINAL_TASKS_INFO, {
+            commandId: TaskCommands.TASK_RESTART_RUNNING.id,
+            label: TaskCommands.TASK_RESTART_RUNNING.label,
+            order: '1'
+        });
+
         menus.registerMenuAction(TerminalMenus.TERMINAL_TASKS_INFO, {
             commandId: TaskCommands.TASK_TERMINATE.id,
             label: 'Terminate Task...',
-            order: '1'
+            order: '2'
         });
 
         menus.registerMenuAction(TerminalMenus.TERMINAL_TASKS_CONFIG, {

packages/task/src/browser/task-frontend-module.ts

@@ -18,7 +18,7 @@ import { ContainerModule } from 'inversify';
 import { FrontendApplicationContribution, QuickOpenContribution, KeybindingContribution } from '@theia/core/lib/browser';
 import { CommandContribution, MenuContribution, bindContributionProvider } from '@theia/core/lib/common';
 import { WebSocketConnectionProvider } from '@theia/core/lib/browser/messaging';
-import { QuickOpenTask, TaskTerminateQuickOpen, TaskRunningQuickOpen, TaskActionProvider, ConfigureTaskAction } from './quick-open-task';
+import { QuickOpenTask, TaskTerminateQuickOpen, TaskRestartRunningQuickOpen, TaskRunningQuickOpen, TaskActionProvider, ConfigureTaskAction } from './quick-open-task';
 import { TaskContribution, TaskProviderRegistry, TaskResolverRegistry } from './task-contribution';
 import { TaskService } from './task-service';
 import { TaskConfigurations } from './task-configurations';
@@ -53,6 +53,7 @@ export default new ContainerModule(bind => {
     bind(QuickOpenTask).toSelf().inSingletonScope();
     bind(TaskRunningQuickOpen).toSelf().inSingletonScope();
     bind(TaskTerminateQuickOpen).toSelf().inSingletonScope();
+    bind(TaskRestartRunningQuickOpen).toSelf().inSingletonScope();
     bind(TaskConfigurations).toSelf().inSingletonScope();
     bind(ProvidedTaskConfigurations).toSelf().inSingletonScope();
     bind(TaskConfigurationManager).toSelf().inSingletonScope();

packages/task/src/browser/task-service.ts

@@ -674,7 +674,7 @@ export class TaskService implements TaskConfigurationClient {
      * Terminates a task that is actively running.
      * @param activeTaskInfo the TaskInfo of the task that is actively running
      */
-    protected async terminateTask(activeTaskInfo: TaskInfo): Promise<void> {
+    async terminateTask(activeTaskInfo: TaskInfo): Promise<void> {
         const taskId = activeTaskInfo.taskId;
         return this.kill(taskId);
     }
@@ -683,7 +683,7 @@ export class TaskService implements TaskConfigurationClient {
      * Terminates a task that is actively running, and restarts it.
      * @param activeTaskInfo the TaskInfo of the task that is actively running
      */
-    protected async restartTask(activeTaskInfo: TaskInfo, option?: RunTaskOption): Promise<TaskInfo | undefined> {
+    async restartTask(activeTaskInfo: TaskInfo, option?: RunTaskOption): Promise<TaskInfo | undefined> {
         await this.terminateTask(activeTaskInfo);
         return this.doRunTask(activeTaskInfo.config, option);
     }