From 80ed062487356310efd5e4a76f1f8978dc836a4f Mon Sep 17 00:00:00 2001
From: Shin'ya UEOKA <ueokande@i-beam.org>
Date: Mon, 30 Sep 2019 06:15:46 +0000
Subject: Add :help command to open help

---
 src/background/controllers/CommandController.ts |  3 +++
 src/background/domains/CommandDocs.ts           |  1 +
 src/background/presenters/HelpPresenter.ts      | 10 ++++++++++
 src/background/usecases/CommandUseCase.ts       |  8 +++++++-
 4 files changed, 21 insertions(+), 1 deletion(-)
 create mode 100644 src/background/presenters/HelpPresenter.ts

diff --git a/src/background/controllers/CommandController.ts b/src/background/controllers/CommandController.ts
index 2ad1683..11fed01 100644
--- a/src/background/controllers/CommandController.ts
+++ b/src/background/controllers/CommandController.ts
@@ -96,6 +96,9 @@ export default class CommandController {
       return this.commandIndicator.quitAll();
     case 'set':
       return this.commandIndicator.set(keywords);
+    case 'h':
+    case 'help':
+      return this.commandIndicator.help();
     }
     throw new Error(words[0] + ' command is not defined');
   }
diff --git a/src/background/domains/CommandDocs.ts b/src/background/domains/CommandDocs.ts
index 25ea62a..e926851 100644
--- a/src/background/domains/CommandDocs.ts
+++ b/src/background/domains/CommandDocs.ts
@@ -8,4 +8,5 @@ export default {
   bdeletes: 'Close all tabs matched by keywords',
   quit: 'Close the current tab',
   quitall: 'Close all tabs',
+  help: 'Open Vim Vixen help in new tab',
 } as {[key: string]: string};
diff --git a/src/background/presenters/HelpPresenter.ts b/src/background/presenters/HelpPresenter.ts
new file mode 100644
index 0000000..f5c3a6b
--- /dev/null
+++ b/src/background/presenters/HelpPresenter.ts
@@ -0,0 +1,10 @@
+import { injectable } from 'tsyringe';
+
+const url = 'https://ueokande.github.io/vim-vixen/';
+
+@injectable()
+export default class HelpPresenter {
+  async open(): Promise<void> {
+    await browser.tabs.create({ url, active: true });
+  }
+}
diff --git a/src/background/usecases/CommandUseCase.ts b/src/background/usecases/CommandUseCase.ts
index a526cfc..d757215 100644
--- a/src/background/usecases/CommandUseCase.ts
+++ b/src/background/usecases/CommandUseCase.ts
@@ -4,6 +4,7 @@ import * as parsers from './parsers';
 import * as urls from '../../shared/urls';
 import TabPresenter from '../presenters/TabPresenter';
 import WindowPresenter from '../presenters/WindowPresenter';
+import HelpPresenter from '../presenters/HelpPresenter';
 import SettingRepository from '../repositories/SettingRepository';
 import BookmarkRepository from '../repositories/BookmarkRepository';
 import ConsoleClient from '../infrastructures/ConsoleClient';
@@ -15,6 +16,7 @@ export default class CommandIndicator {
   constructor(
     private tabPresenter: TabPresenter,
     private windowPresenter: WindowPresenter,
+    private helpPresenter: HelpPresenter,
     private settingRepository: SettingRepository,
     private bookmarkRepository: BookmarkRepository,
     private consoleClient: ConsoleClient,
@@ -136,7 +138,11 @@ export default class CommandIndicator {
     return this.contentMessageClient.broadcastSettingsChanged();
   }
 
-  async urlOrSearch(keywords: string): Promise<any> {
+  help(): Promise<void> {
+    return this.helpPresenter.open();
+  }
+
+  private async urlOrSearch(keywords: string): Promise<any> {
     let settings = await this.settingRepository.get();
     return urls.searchUrl(keywords, settings.search);
   }
-- 
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