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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/. */
// @ts-check
/**
* @typedef {import("../@types/perf").RecordingSettings} RecordingSettings
* @typedef {import("../@types/perf").PerfFront} PerfFront
* @typedef {import("../@types/perf").PageContext} PageContext
*/
"use strict";
/**
* This file initializes the about:profiling page, which can be used to tweak the
* profiler's settings.
*/
{
// Create the browser loader, but take care not to conflict with
// TypeScript. See devtools/client/performance-new/typescript.md and
// the section on "Do not overload require" for more information.
const { BrowserLoader } = ChromeUtils.import(
"resource://devtools/shared/loader/browser-loader.js"
);
const browserLoader = BrowserLoader({
baseURI: "resource://devtools/client/performance-new/aboutprofiling",
window,
});
/**
* @type {any} - Coerce the current scope into an `any`, and assign the
* loaders to the scope. They can then be used freely below.
*/
const scope = this;
scope.require = browserLoader.require;
scope.loader = browserLoader.loader;
}
/**
* The background.jsm.js manages the profiler state, and can be loaded multiple time
* for various components. This page needs a copy, and it is also used by the
* profiler shortcuts. In order to do this, the background code needs to live in a
* JSM module, that can be shared with the DevTools keyboard shortcut manager.
*/
const { presets } = ChromeUtils.import(
"resource://devtools/client/performance-new/shared/background.jsm.js"
);
const ReactDOM = require("resource://devtools/client/shared/vendor/react-dom.js");
const React = require("resource://devtools/client/shared/vendor/react.js");
const FluentReact = require("resource://devtools/client/shared/vendor/fluent-react.js");
const {
FluentL10n,
} = require("resource://devtools/client/shared/fluent-l10n/fluent-l10n.js");
const Provider = React.createFactory(
require("resource://devtools/client/shared/vendor/react-redux.js").Provider
);
const ProfilerPreferenceObserver = React.createFactory(
require("resource://devtools/client/performance-new/components/shared/ProfilerPreferenceObserver.js")
);
const LocalizationProvider = React.createFactory(
FluentReact.LocalizationProvider
);
const AboutProfiling = React.createFactory(
require("resource://devtools/client/performance-new/components/aboutprofiling/AboutProfiling.js")
);
const createStore = require("resource://devtools/client/shared/redux/create-store.js");
const reducers = require("resource://devtools/client/performance-new/store/reducers.js");
const actions = require("resource://devtools/client/performance-new/store/actions.js");
/**
* Initialize the panel by creating a redux store, and render the root component.
*
* @param {PageContext} pageContext - The context that the UI is being loaded in under.
* @param {boolean} isSupportedPlatform
* @param {string[]} supportedFeatures
* @param {(() => void)} [openRemoteDevTools] Optionally provide a way to go back to
* the remote devtools page.
*/
async function gInit(
pageContext,
isSupportedPlatform,
supportedFeatures,
openRemoteDevTools
) {
const store = createStore(reducers);
const l10n = new FluentL10n();
await l10n.init(
[
"devtools/client/perftools.ftl",
// For -brand-shorter-name used in some profiler preset descriptions.
"branding/brand.ftl",
// Needed for the onboarding UI
"toolkit/branding/brandings.ftl",
],
{
setAttributesOnDocument: true,
}
);
// Do some initialization, especially with privileged things that are part of the
// the browser.
store.dispatch(
actions.initializeStore({
isSupportedPlatform,
supportedFeatures,
presets,
pageContext,
openRemoteDevTools,
})
);
ReactDOM.render(
Provider(
{ store },
LocalizationProvider(
{ bundles: l10n.getBundles() },
React.createElement(
React.Fragment,
null,
ProfilerPreferenceObserver(),
AboutProfiling()
)
)
),
document.querySelector("#root")
);
window.addEventListener("unload", () => gDestroy(), { once: true });
}
async function gDestroy() {
// This allows all unregister commands to run.
ReactDOM.unmountComponentAtNode(document.querySelector("#root"));
}
// Automatically initialize the page if it's not a remote connection, otherwise
// the page will be initialized by about:debugging.
if (window.location.hash !== "#remote") {
document.addEventListener(
"DOMContentLoaded",
() => {
const isSupportedPlatform = "nsIProfiler" in Ci;
const supportedFeatures = isSupportedPlatform
? Services.profiler.GetFeatures()
: [];
gInit("aboutprofiling", isSupportedPlatform, supportedFeatures);
},
{ once: true }
);
}
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