1 files changed, 137 insertions, 0 deletions
diff --git a/devtools/client/webconsole/browser-console.js b/devtools/client/webconsole/browser-console.js
new file mode 100644
index 0000000000..5d10b19c21
--- /dev/null
+++ b/devtools/client/webconsole/browser-console.js
@@ -0,0 +1,137 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+const WebConsole = require("resource://devtools/client/webconsole/webconsole.js");
+const { Utils } = require("resource://devtools/client/webconsole/utils.js");
+
+loader.lazyRequireGetter(
+  this,
+  "Telemetry",
+  "resource://devtools/client/shared/telemetry.js"
+);
+loader.lazyRequireGetter(
+  this,
+  "BrowserConsoleManager",
+  "resource://devtools/client/webconsole/browser-console-manager.js",
+  true
+);
+
+/**
+ * A BrowserConsole instance is an interactive console initialized *per commands*
+ * that displays console log data as well as provides an interactive terminal to
+ * manipulate all browser debuggable context and targeted by default at the current
+ * top-level window's document.
+ *
+ * This object only wraps the iframe that holds the Browser Console UI. This is
+ * meant to be an integration point between the Firefox UI and the Browser Console
+ * UI and features.
+ *
+ * This object extends the WebConsole object located in webconsole.js
+ */
+class BrowserConsole extends WebConsole {
+  #bcInitializer = null;
+  #bcDestroyer = null;
+  #telemetry;
+  /*
+   * @constructor
+   * @param object commands
+   *        The commands object with all interfaces defined from devtools/shared/commands/
+   * @param nsIDOMWindow iframeWindow
+   *        The window where the browser console UI is already loaded.
+   * @param nsIDOMWindow chromeWindow
+   *        The window of the browser console owner.
+   */
+  constructor(commands, iframeWindow, chromeWindow) {
+    super(null, commands, iframeWindow, chromeWindow, true);
+
+    this.#telemetry = new Telemetry();
+  }
+
+  /**
+   * Initialize the Browser Console instance.
+   *
+   * @return object
+   *         A promise for the initialization.
+   */
+  init() {
+    if (this.#bcInitializer) {
+      return this.#bcInitializer;
+    }
+
+    this.#bcInitializer = (async () => {
+      // Only add the shutdown observer if we've opened a Browser Console window.
+      ShutdownObserver.init();
+
+      this.#telemetry.toolOpened("browserconsole", this);
+
+      await super.init(false);
+
+      // Reports the console as created only after everything is done,
+      // including TargetCommand.startListening.
+      const id = Utils.supportsString(this.hudId);
+      Services.obs.notifyObservers(id, "web-console-created");
+    })();
+    return this.#bcInitializer;
+  }
+
+  /**
+   * Destroy the object.
+   *
+   * @return object
+   *         A promise object that is resolved once the Browser Console is closed.
+   */
+  destroy() {
+    if (this.#bcDestroyer) {
+      return this.#bcDestroyer;
+    }
+
+    this.#bcDestroyer = (async () => {
+      this.#telemetry.toolClosed("browserconsole", this);
+
+      this.commands.targetCommand.destroy();
+      await super.destroy();
+      await this.currentTarget.destroy();
+      this.chromeWindow.close();
+    })();
+
+    return this.#bcDestroyer;
+  }
+
+  updateWindowTitle() {
+    BrowserConsoleManager.updateWindowTitle(this.chromeWindow);
+  }
+}
+
+/**
+ * The ShutdownObserver listens for app shutdown and saves the current state
+ * of the Browser Console for session restore.
+ */
+var ShutdownObserver = {
+  _initialized: false,
+
+  init() {
+    if (this._initialized) {
+      return;
+    }
+
+    Services.obs.addObserver(this, "quit-application-granted");
+
+    this._initialized = true;
+  },
+
+  observe(message, topic) {
+    if (topic == "quit-application-granted") {
+      BrowserConsoleManager.storeBrowserConsoleSessionState();
+      this.uninit();
+    }
+  },
+
+  uninit() {
+    Services.obs.removeObserver(this, "quit-application-granted");
+  },
+};
+
+module.exports = BrowserConsole;