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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
/* 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/. */
const {Cc, Ci, Cu} = require("chrome");
const Services = require("Services");
const defer = require("devtools/shared/defer");
const {LocalizationHelper} = require("devtools/shared/l10n");
const L10N = new LocalizationHelper("devtools/client/locales/toolbox.properties");
function handleThreadState(toolbox, event, packet) {
// Suppress interrupted events by default because the thread is
// paused/resumed a lot for various actions.
if (event !== "paused" || packet.why.type !== "interrupted") {
// TODO: Bug 1225492, we continue emitting events on the target
// like we used to, but we should emit these only on the
// threadClient now.
toolbox.target.emit("thread-" + event);
}
if (event === "paused") {
toolbox.highlightTool("jsdebugger");
if (packet.why.type === "debuggerStatement" ||
packet.why.type === "breakpoint" ||
packet.why.type === "exception") {
toolbox.raise();
toolbox.selectTool("jsdebugger");
}
} else if (event === "resumed") {
toolbox.unhighlightTool("jsdebugger");
}
}
function attachThread(toolbox) {
let deferred = defer();
let target = toolbox.target;
let { form: { chromeDebugger, actor } } = target;
// Sourcemaps are always turned off when using the new debugger
// frontend. This is because it does sourcemapping on the
// client-side, so the server should not do it. It also does not support
// blackboxing yet.
let useSourceMaps = false;
let autoBlackBox = false;
if(!Services.prefs.getBoolPref("devtools.debugger.new-debugger-frontend")) {
useSourceMaps = Services.prefs.getBoolPref("devtools.debugger.source-maps-enabled");
autoBlackBox = Services.prefs.getBoolPref("devtools.debugger.auto-black-box");
}
let threadOptions = { useSourceMaps, autoBlackBox };
let handleResponse = (res, threadClient) => {
if (res.error) {
deferred.reject(new Error("Couldn't attach to thread: " + res.error));
return;
}
threadClient.addListener("paused", handleThreadState.bind(null, toolbox));
threadClient.addListener("resumed", handleThreadState.bind(null, toolbox));
if (!threadClient.paused) {
deferred.reject(
new Error("Thread in wrong state when starting up, should be paused")
);
}
// These flags need to be set here because the client sends them
// with the `resume` request. We make sure to do this before
// resuming to avoid another interrupt. We can't pass it in with
// `threadOptions` because the resume request will override them.
threadClient.pauseOnExceptions(
Services.prefs.getBoolPref("devtools.debugger.pause-on-exceptions"),
Services.prefs.getBoolPref("devtools.debugger.ignore-caught-exceptions")
);
threadClient.resume(res => {
if (res.error === "wrongOrder") {
const box = toolbox.getNotificationBox();
box.appendNotification(
L10N.getStr("toolbox.resumeOrderWarning"),
"wrong-resume-order",
"",
box.PRIORITY_WARNING_HIGH
);
}
deferred.resolve(threadClient);
});
};
if (target.isTabActor) {
// Attaching a tab, a browser process, or a WebExtensions add-on.
target.activeTab.attachThread(threadOptions, handleResponse);
} else if (target.isAddon) {
// Attaching a legacy addon.
target.client.attachAddon(actor, res => {
target.client.attachThread(res.threadActor, handleResponse);
});
} else {
// Attaching an old browser debugger or a content process.
target.client.attachThread(chromeDebugger, handleResponse);
}
return deferred.promise;
}
function detachThread(threadClient) {
threadClient.removeListener("paused");
threadClient.removeListener("resumed");
}
module.exports = { attachThread, detachThread };
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