From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 devtools/client/framework/target-from-url.js | 120 +++++++++++++++++++++++++++
 1 file changed, 120 insertions(+)
 create mode 100644 devtools/client/framework/target-from-url.js

(limited to 'devtools/client/framework/target-from-url.js')

diff --git a/devtools/client/framework/target-from-url.js b/devtools/client/framework/target-from-url.js
new file mode 100644
index 0000000000..4e2c303771
--- /dev/null
+++ b/devtools/client/framework/target-from-url.js
@@ -0,0 +1,120 @@
+/* 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 { Cu, Ci } = require("chrome");
+
+const { TargetFactory } = require("devtools/client/framework/target");
+const { DebuggerServer } = require("devtools/server/main");
+const { DebuggerClient } = require("devtools/shared/client/main");
+const { Task } = require("devtools/shared/task");
+
+/**
+ * Construct a Target for a given URL object having various query parameters:
+ *
+ * host:
+ *    {String} The hostname or IP address to connect to.
+ * port:
+ *    {Number} The TCP port to connect to, to use with `host` argument.
+ * ws:
+ *    {Boolean} If true, connect via websocket instread of regular TCP connection.
+ *
+ * type: tab, process
+ *    {String} The type of target to connect to.  Currently tabs and processes are supported types.
+ *
+ * If type="tab":
+ * id:
+ *    {Number} the tab outerWindowID
+ * chrome: Optional
+ *    {Boolean} Force the creation of a chrome target. Gives more privileges to the tab
+ *    actor. Allows chrome execution in the webconsole and see chrome files in
+ *    the debugger. (handy when contributing to firefox)
+ *
+ * If type="process":
+ * id:
+ *    {Number} the process id to debug. Default to 0, which is the parent process.
+ *
+ * @param {URL} url
+ *        The url to fetch query params from.
+ *
+ * @return A target object
+ */
+exports.targetFromURL = Task.async(function* (url) {
+  let params = url.searchParams;
+  let type = params.get("type");
+  if (!type) {
+    throw new Error("targetFromURL, missing type parameter");
+  }
+  let id = params.get("id");
+  // Allows to spawn a chrome enabled target for any context
+  // (handy to debug chrome stuff in a child process)
+  let chrome = params.has("chrome");
+
+  let client = yield createClient(params);
+
+  yield client.connect();
+
+  let form, isTabActor;
+  if (type === "tab") {
+    // Fetch target for a remote tab
+    id = parseInt(id);
+    if (isNaN(id)) {
+      throw new Error("targetFromURL, wrong tab id:'" + id + "', should be a number");
+    }
+    try {
+      let response = yield client.getTab({ outerWindowID: id });
+      form = response.tab;
+    } catch (ex) {
+      if (ex.error == "noTab") {
+        throw new Error("targetFromURL, tab with outerWindowID:'" + id + "' doesn't exist");
+      }
+      throw ex;
+    }
+  } else if (type == "process") {
+    // Fetch target for a remote chrome actor
+    DebuggerServer.allowChromeProcess = true;
+    try {
+      id = parseInt(id);
+      if (isNaN(id)) {
+        id = 0;
+      }
+      let response = yield client.getProcess(id);
+      form = response.form;
+      chrome = true;
+      if (id != 0) {
+        // Child process are not exposing tab actors and only support debugger+console
+        isTabActor = false;
+      }
+    } catch (ex) {
+      if (ex.error == "noProcess") {
+        throw new Error("targetFromURL, process with id:'" + id + "' doesn't exist");
+      }
+      throw ex;
+    }
+  } else {
+    throw new Error("targetFromURL, unsupported type='" + type + "' parameter");
+  }
+
+  return TargetFactory.forRemoteTab({ client, form, chrome, isTabActor });
+});
+
+function* createClient(params) {
+  let host = params.get("host");
+  let port = params.get("port");
+  let webSocket = !!params.get("ws");
+
+  let transport;
+  if (port) {
+    transport = yield DebuggerClient.socketConnect({ host, port, webSocket });
+  } else {
+    // Setup a server if we don't have one already running
+    if (!DebuggerServer.initialized) {
+      DebuggerServer.init();
+      DebuggerServer.addBrowserActors();
+    }
+    transport = DebuggerServer.connectPipe()
+  }
+  return new DebuggerClient(transport);
+}
-- 
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