[wip] implement command usecases

src/background/presenters/console.js

@@ -0,0 +1,16 @@
+import messages from '../../shared/messages';
+
+export default class ConsolePresenter {
+  showInfo(tabId, message) {
+    return browser.tabs.sendMessage(tabId, {
+      type: messages.CONSOLE_SHOW_INFO,
+      text: message,
+    });
+  }
+  showError(tabId, message) {
+    return browser.tabs.sendMessage(tabId, {
+      type: messages.CONSOLE_SHOW_ERROR,
+      text: message,
+    });
+  }
+}

src/background/presenters/tab.js

@@ -3,8 +3,49 @@ export default class TabPresenter {
     return browser.tabs.update(tabId, { url });
   }
 
-  create(url, { openerTabId, active }) {
-    return browser.tabs.create({ url, openerTabId, active });
+  create(url, opts) {
+    return browser.tabs.create({ url, ...opts });
+  }
+
+  async getCurrent() {
+    let tabs = await browser.tabs.query({
+      active: true, currentWindow: true
+    });
+    return tabs[0];
+  }
+
+  getAll() {
+    return browser.tabs.query({ currentWindow: true });
+  }
+
+  async getByKeyword(keyword, excludePinned = false) {
+    let tabs = await browser.tabs.query({ currentWindow: true });
+    return tabs.filter((t) => {
+      return t.url.toLowerCase().includes(keyword.toLowerCase()) ||
+        t.title && t.title.toLowerCase().includes(keyword.toLowerCase());
+    }).filter((t) => {
+      return !(excludePinned && t.pinned);
+    });
+  }
+
+  select(tabId) {
+    return browser.tabs.update(tabId, { active: true });
+  }
+
+  async selectAt(index) {
+    let tabs = await browser.tabs.query({ currentWindow: true });
+    if (tabs.length < 2) {
+      return;
+    }
+    if (index < 0 || tabs.length <= index) {
+      throw new RangeError(`tab ${index + 1} does not exist`);
+    }
+    let id = tabs[index].id;
+    return browser.tabs.update(id, { active: true });
+  }
+
+  remove(ids) {
+    return browser.tabs.remove(ids);
   }
 
   async createAdjacent(url, { openerTabId, active }) {

src/background/presenters/window.js

@@ -0,0 +1,5 @@
+export default class WindowPresenter {
+  create(url) {
+    return browser.windows.create({ url });
+  }
+}