1 files changed, 81 insertions, 0 deletions
diff --git a/src/background/usecases/TabUseCase.ts b/src/background/usecases/TabUseCase.ts
new file mode 100644
index 0000000..1615333
--- /dev/null
+++ b/src/background/usecases/TabUseCase.ts
@@ -0,0 +1,81 @@
+import TabPresenter from '../presenters/TabPresenter';
+import BrowserSettingRepository from '../repositories/BrowserSettingRepository';
+
+export default class TabUseCase {
+  private tabPresenter: TabPresenter;
+
+  private browserSettingRepository: BrowserSettingRepository;
+
+  constructor() {
+    this.tabPresenter = new TabPresenter();
+    this.browserSettingRepository = new BrowserSettingRepository();
+  }
+
+  async close(force: boolean): Promise<any> {
+    let tab = await this.tabPresenter.getCurrent();
+    if (!force && tab.pinned) {
+      return Promise.resolve();
+    }
+    return this.tabPresenter.remove([tab.id as number]);
+  }
+
+  async closeRight(): Promise<any> {
+    let tabs = await this.tabPresenter.getAll();
+    tabs.sort((t1, t2) => t1.index - t2.index);
+    let index = tabs.findIndex(t => t.active);
+    if (index < 0) {
+      return;
+    }
+    for (let i = index + 1; i < tabs.length; ++i) {
+      let tab = tabs[i];
+      if (!tab.pinned) {
+        this.tabPresenter.remove([tab.id as number]);
+      }
+    }
+  }
+
+  reopen(): Promise<any> {
+    return this.tabPresenter.reopen();
+  }
+
+  async reload(cache: boolean): Promise<any> {
+    let tab = await this.tabPresenter.getCurrent();
+    return this.tabPresenter.reload(tab.id as number, cache);
+  }
+
+  async setPinned(pinned: boolean): Promise<any> {
+    let tab = await this.tabPresenter.getCurrent();
+    return this.tabPresenter.setPinned(tab.id as number, pinned);
+  }
+
+  async togglePinned(): Promise<any> {
+    let tab = await this.tabPresenter.getCurrent();
+    return this.tabPresenter.setPinned(tab.id as number, !tab.pinned);
+  }
+
+  async duplicate(): Promise<any> {
+    let tab = await this.tabPresenter.getCurrent();
+    return this.tabPresenter.duplicate(tab.id as number);
+  }
+
+  async openPageSource(): Promise<any> {
+    let tab = await this.tabPresenter.getCurrent();
+    let url = 'view-source:' + tab.url;
+    return this.tabPresenter.create(url);
+  }
+
+  async openHome(newTab: boolean): Promise<any> {
+    let tab = await this.tabPresenter.getCurrent();
+    let urls = await this.browserSettingRepository.getHomepageUrls();
+    if (urls.length === 1 && urls[0] === 'about:home') {
+      // eslint-disable-next-line max-len
+      throw new Error('Cannot open Firefox Home (about:home) by WebExtensions, set your custom URLs');
+    }
+    if (urls.length === 1 && !newTab) {
+      return this.tabPresenter.open(urls[0], tab.id);
+    }
+    for (let url of urls) {
+      this.tabPresenter.create(url);
+    }
+  }
+}