1 files changed, 108 insertions, 0 deletions
diff --git a/src/background/presenters/TabPresenter.ts b/src/background/presenters/TabPresenter.ts
new file mode 100644
index 0000000..33c6513
--- /dev/null
+++ b/src/background/presenters/TabPresenter.ts
@@ -0,0 +1,108 @@
+import MemoryStorage from '../infrastructures/MemoryStorage';
+
+const CURRENT_SELECTED_KEY = 'tabs.current.selected';
+const LAST_SELECTED_KEY = 'tabs.last.selected';
+
+type Tab = browser.tabs.Tab;
+
+export default class TabPresenter {
+  open(url: string, tabId?: number): Promise<Tab> {
+    return browser.tabs.update(tabId, { url });
+  }
+
+  create(url: string, opts?: object): Promise<Tab> {
+    return browser.tabs.create({ url, ...opts });
+  }
+
+  async getCurrent(): Promise<Tab> {
+    let tabs = await browser.tabs.query({
+      active: true, currentWindow: true
+    });
+    return tabs[0];
+  }
+
+  getAll(): Promise<Tab[]> {
+    return browser.tabs.query({ currentWindow: true });
+  }
+
+  async getLastSelectedId(): Promise<number | undefined> {
+    let cache = new MemoryStorage();
+    let tabId = await cache.get(LAST_SELECTED_KEY);
+    if (tabId === null || typeof tabId === 'undefined') {
+      return;
+    }
+    return tabId;
+  }
+
+  async getByKeyword(keyword: string, excludePinned = false): Promise<Tab[]> {
+    let tabs = await browser.tabs.query({ currentWindow: true });
+    return tabs.filter((t) => {
+      return t.url && t.url.toLowerCase().includes(keyword.toLowerCase()) ||
+        t.title && t.title.toLowerCase().includes(keyword.toLowerCase());
+    }).filter((t) => {
+      return !(excludePinned && t.pinned);
+    });
+  }
+
+  select(tabId: number): Promise<Tab> {
+    return browser.tabs.update(tabId, { active: true });
+  }
+
+  remove(ids: number[]): Promise<void> {
+    return browser.tabs.remove(ids);
+  }
+
+  async reopen(): Promise<any> {
+    let window = await browser.windows.getCurrent();
+    let sessions = await browser.sessions.getRecentlyClosed();
+    let session = sessions.find((s) => {
+      return s.tab && s.tab.windowId === window.id;
+    });
+    if (!session) {
+      return;
+    }
+    if (session.tab && session.tab.sessionId) {
+      return browser.sessions.restore(session.tab.sessionId);
+    }
+    if (session.window && session.window.sessionId) {
+      return browser.sessions.restore(session.window.sessionId);
+    }
+  }
+
+  reload(tabId: number, cache: boolean): Promise<void> {
+    return browser.tabs.reload(tabId, { bypassCache: cache });
+  }
+
+  setPinned(tabId: number, pinned: boolean): Promise<Tab> {
+    return browser.tabs.update(tabId, { pinned });
+  }
+
+  duplicate(id: number): Promise<Tab> {
+    return browser.tabs.duplicate(id);
+  }
+
+  getZoom(tabId: number): Promise<number> {
+    return browser.tabs.getZoom(tabId);
+  }
+
+  setZoom(tabId: number, factor: number): Promise<void> {
+    return browser.tabs.setZoom(tabId, factor);
+  }
+
+  onSelected(
+    listener: (arg: { tabId: number, windowId: number}) => void,
+  ): void {
+    browser.tabs.onActivated.addListener(listener);
+  }
+}
+
+let tabPresenter = new TabPresenter();
+tabPresenter.onSelected((tab: any) => {
+  let cache = new MemoryStorage();
+
+  let lastId = cache.get(CURRENT_SELECTED_KEY);
+  if (lastId) {
+    cache.set(LAST_SELECTED_KEY, lastId);
+  }
+  cache.set(CURRENT_SELECTED_KEY, tab.tabId);
+});