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/* 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";
/* global addEventListener, addMessageListener, removeMessageListener, sendAsyncMessage */
try {
var chromeGlobal = this;
// Encapsulate in its own scope to allows loading this frame script more than once.
(function () {
const Cu = Components.utils;
const { require } = Cu.import("resource://devtools/shared/Loader.jsm", {});
const DevToolsUtils = require("devtools/shared/DevToolsUtils");
const { dumpn } = DevToolsUtils;
const { DebuggerServer, ActorPool } = require("devtools/server/main");
if (!DebuggerServer.initialized) {
DebuggerServer.init();
// For non-e10s mode, there is only one server instance, so be sure the browser
// actors get loaded.
DebuggerServer.addBrowserActors();
}
// In case of apps being loaded in parent process, DebuggerServer is already
// initialized, but child specific actors are not registered. Otherwise, for apps in
// child process, we need to load actors the first time we load child.js.
DebuggerServer.addChildActors();
let connections = new Map();
let onConnect = DevToolsUtils.makeInfallible(function (msg) {
removeMessageListener("debug:connect", onConnect);
let mm = msg.target;
let prefix = msg.data.prefix;
let conn = DebuggerServer.connectToParent(prefix, mm);
conn.parentMessageManager = mm;
connections.set(prefix, conn);
let actor = new DebuggerServer.ContentActor(conn, chromeGlobal, prefix);
let actorPool = new ActorPool(conn);
actorPool.addActor(actor);
conn.addActorPool(actorPool);
sendAsyncMessage("debug:actor", {actor: actor.form(), prefix: prefix});
});
addMessageListener("debug:connect", onConnect);
// Allows executing module setup helper from the parent process.
// See also: DebuggerServer.setupInChild()
let onSetupInChild = DevToolsUtils.makeInfallible(msg => {
let { module, setupChild, args } = msg.data;
let m;
try {
m = require(module);
if (!setupChild in m) {
dumpn(`ERROR: module '${module}' does not export '${setupChild}'`);
return false;
}
m[setupChild].apply(m, args);
} catch (e) {
let errorMessage =
"Exception during actor module setup running in the child process: ";
DevToolsUtils.reportException(errorMessage + e);
dumpn(`ERROR: ${errorMessage}\n\t module: '${module}'\n\t ` +
`setupChild: '${setupChild}'\n${DevToolsUtils.safeErrorString(e)}`);
return false;
}
if (msg.data.id) {
// Send a message back to know when it is processed
sendAsyncMessage("debug:setup-in-child-response", {id: msg.data.id});
}
return true;
});
addMessageListener("debug:setup-in-child", onSetupInChild);
let onDisconnect = DevToolsUtils.makeInfallible(function (msg) {
let prefix = msg.data.prefix;
let conn = connections.get(prefix);
if (!conn) {
// Several copies of this frame script can be running for a single frame since it
// is loaded once for each DevTools connection to the frame. If this disconnect
// request doesn't match a connection known here, ignore it.
return;
}
removeMessageListener("debug:disconnect", onDisconnect);
// Call DebuggerServerConnection.close to destroy all child actors. It should end up
// calling DebuggerServerConnection.onClosed that would actually cleanup all actor
// pools.
conn.close();
connections.delete(prefix);
});
addMessageListener("debug:disconnect", onDisconnect);
// In non-e10s mode, the "debug:disconnect" message isn't always received before the
// messageManager connection goes away. Watching for "unload" here ensures we close
// any connections when the frame is unloaded.
addEventListener("unload", () => {
for (let conn of connections.values()) {
conn.close();
}
connections.clear();
});
let onInspect = DevToolsUtils.makeInfallible(function (msg) {
// Store the node to be inspected in a global variable (gInspectingNode). Later
// we'll fetch this variable again using the findInspectingNode request over the
// remote debugging protocol.
let inspector = require("devtools/server/actors/inspector");
inspector.setInspectingNode(msg.objects.node);
});
addMessageListener("debug:inspect", onInspect);
})();
} catch (e) {
dump(`Exception in app child process: ${e}\n`);
}
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