mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-25 11:15:34 +00:00
039a070103
Differential Revision: https://phabricator.services.mozilla.com/D45566 --HG-- extra : moz-landing-system : lando
679 lines
21 KiB
JavaScript
679 lines
21 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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const { Ci } = require("chrome");
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const Services = require("Services");
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const EventEmitter = require("devtools/shared/event-emitter");
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const { getOrientation } = require("./utils/orientation");
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loader.lazyRequireGetter(
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this,
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"DebuggerClient",
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"devtools/shared/client/debugger-client",
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true
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);
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loader.lazyRequireGetter(
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this,
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"DebuggerServer",
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"devtools/server/debugger-server",
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true
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);
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loader.lazyRequireGetter(
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this,
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"throttlingProfiles",
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"devtools/client/shared/components/throttling/profiles"
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);
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loader.lazyRequireGetter(
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this,
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"swapToInnerBrowser",
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"devtools/client/responsive/browser/swap",
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true
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);
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loader.lazyRequireGetter(
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this,
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"message",
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"devtools/client/responsive/utils/message"
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);
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loader.lazyRequireGetter(
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this,
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"showNotification",
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"devtools/client/responsive/utils/notification",
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true
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);
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loader.lazyRequireGetter(this, "l10n", "devtools/client/responsive/utils/l10n");
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loader.lazyRequireGetter(this, "asyncStorage", "devtools/shared/async-storage");
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const TOOL_URL = "chrome://devtools/content/responsive/index.xhtml";
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const RELOAD_CONDITION_PREF_PREFIX = "devtools.responsive.reloadConditions.";
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const RELOAD_NOTIFICATION_PREF =
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"devtools.responsive.reloadNotification.enabled";
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function debug(msg) {
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// console.log(`RDM manager: ${msg}`);
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}
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/**
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* ResponsiveUI manages the responsive design tool for a specific tab. The
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* actual tool itself lives in a separate chrome:// document that is loaded into
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* the tab upon opening responsive design. This object acts a helper to
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* integrate the tool into the surrounding browser UI as needed.
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*/
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class ResponsiveUI {
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/**
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* @param {ResponsiveUIManager} manager
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* The ResponsiveUIManager instance.
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* @param {ChromeWindow} window
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* The main browser chrome window (that holds many tabs).
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* @param {Tab} tab
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* The specific browser <tab> element this responsive instance is for.
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*/
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constructor(manager, window, tab) {
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this.manager = manager;
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// The main browser chrome window (that holds many tabs).
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this.browserWindow = window;
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// The specific browser tab this responsive instance is for.
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this.tab = tab;
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// Flag set when destruction has begun.
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this.destroying = false;
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// Flag set when destruction has ended.
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this.destroyed = false;
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/**
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* A window reference for the chrome:// document that displays the responsive
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* design tool. It is safe to reference this window directly even with e10s,
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* as the tool UI is always loaded in the parent process. The web content
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* contained *within* the tool UI on the other hand is loaded in the child
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* process.
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*/
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this.toolWindow = null;
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// Promise resovled when the UI init has completed.
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this.inited = this.init();
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EventEmitter.decorate(this);
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}
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/**
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* Open RDM while preserving the state of the page. We use `swapFrameLoaders`
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* to ensure all in-page state is preserved, just like when you move a tab to
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* a new window.
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*
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* For more details, see /devtools/docs/responsive-design-mode.md.
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*/
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async init() {
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debug("Init start");
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const ui = this;
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// Watch for tab close and window close so we can clean up RDM synchronously
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this.tab.addEventListener("TabClose", this);
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this.browserWindow.addEventListener("unload", this);
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// Swap page content from the current tab into a viewport within RDM
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debug("Create browser swapper");
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this.swap = swapToInnerBrowser({
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tab: this.tab,
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containerURL: TOOL_URL,
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async getInnerBrowser(containerBrowser) {
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const toolWindow = (ui.toolWindow = containerBrowser.contentWindow);
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toolWindow.addEventListener("message", ui);
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debug("Wait until init from inner");
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await message.request(toolWindow, "init");
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toolWindow.addInitialViewport({
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uri: "about:blank",
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userContextId: ui.tab.userContextId,
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});
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debug("Wait until browser mounted");
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await message.wait(toolWindow, "browser-mounted");
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return ui.getViewportBrowser();
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},
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});
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debug("Wait until swap start");
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await this.swap.start();
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// Set the ui toolWindow to fullZoom and textZoom of 100%. Directly change
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// the zoom levels of the toolwindow docshell. That doesn't affect the zoom
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// of the RDM content, but it does send events that confuse the Zoom UI.
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// So before we adjust the zoom levels of the toolWindow, we first cache
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// the reported zoom levels of the RDM content, because we'll have to
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// re-apply them to re-sync the Zoom UI.
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// Cache the values now and we'll re-apply them near the end of this function.
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// This is important since other steps here can also cause the Zoom UI update
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// event to be sent for other browsers, and this means that the changes from
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// our Zoom UI update event would be overwritten. After this function, future
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// changes to zoom levels will send Zoom UI update events in an order that
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// keeps the Zoom UI synchronized with the RDM content zoom levels.
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const rdmContent = this.tab.linkedBrowser;
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const rdmViewport = ui.toolWindow;
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const fullZoom = rdmContent.fullZoom;
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const textZoom = rdmContent.textZoom;
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rdmViewport.docShell.contentViewer.fullZoom = 1;
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rdmViewport.docShell.contentViewer.textZoom = 1;
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// Listen to FullZoomChange events coming from the linkedBrowser,
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// so that we can zoom the size of the viewport by the same amount.
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rdmContent.addEventListener("FullZoomChange", this);
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this.tab.addEventListener("BeforeTabRemotenessChange", this);
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// Notify the inner browser to start the frame script
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debug("Wait until start frame script");
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await message.request(this.toolWindow, "start-frame-script");
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// Get the protocol ready to speak with emulation actor
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debug("Wait until RDP server connect");
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await this.connectToServer();
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// Restore the previous state of RDM.
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await this.restoreState();
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// Re-apply our cached zoom levels. Other Zoom UI update events have finished
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// by now.
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rdmContent.fullZoom = fullZoom;
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rdmContent.textZoom = textZoom;
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// Non-blocking message to tool UI to start any delayed init activities
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message.post(this.toolWindow, "post-init");
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debug("Init done");
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}
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/**
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* Close RDM and restore page content back into a regular tab.
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*
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* @param object
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* Destroy options, which currently includes a `reason` string.
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* @return boolean
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* Whether this call is actually destroying. False means destruction
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* was already in progress.
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*/
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async destroy(options) {
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if (this.destroying) {
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return false;
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}
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this.destroying = true;
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// If our tab is about to be closed, there's not enough time to exit
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// gracefully, but that shouldn't be a problem since the tab will go away.
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// So, skip any waiting when we're about to close the tab.
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const isTabDestroyed = !this.tab.linkedBrowser;
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const isWindowClosing =
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(options && options.reason === "unload") || isTabDestroyed;
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const isTabContentDestroying =
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isWindowClosing ||
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(options &&
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(options.reason === "TabClose" ||
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options.reason === "BeforeTabRemotenessChange"));
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// Ensure init has finished before starting destroy
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if (!isTabContentDestroying) {
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await this.inited;
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}
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this.tab.linkedBrowser.removeEventListener("FullZoomChange", this);
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this.tab.removeEventListener("TabClose", this);
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this.tab.removeEventListener("BeforeTabRemotenessChange", this);
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this.browserWindow.removeEventListener("unload", this);
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this.toolWindow.removeEventListener("message", this);
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if (!isTabContentDestroying) {
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// Notify the inner browser to stop the frame script
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await message.request(this.toolWindow, "stop-frame-script");
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}
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// Ensure the tab is reloaded if required when exiting RDM so that no emulated
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// settings are left in a customized state.
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if (!isTabContentDestroying) {
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let reloadNeeded = false;
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await this.updateDPPX();
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await this.updateNetworkThrottling();
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reloadNeeded |=
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(await this.updateUserAgent()) && this.reloadOnChange("userAgent");
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reloadNeeded |=
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(await this.updateTouchSimulation()) &&
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this.reloadOnChange("touchSimulation");
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if (reloadNeeded) {
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this.getViewportBrowser().reload();
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}
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}
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// Destroy local state
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const swap = this.swap;
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this.browserWindow = null;
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this.tab = null;
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this.inited = null;
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this.toolWindow = null;
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this.swap = null;
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// Close the debugger client used to speak with emulation actor.
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// The actor handles clearing any overrides itself, so it's not necessary to clear
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// anything on shutdown client side.
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const clientClosed = this.client.close();
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if (!isTabContentDestroying) {
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await clientClosed;
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}
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this.client = this.emulationFront = null;
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if (!isWindowClosing) {
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// Undo the swap and return the content back to a normal tab
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swap.stop();
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}
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this.destroyed = true;
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return true;
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}
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async connectToServer() {
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// The client being instantiated here is separate from the toolbox. It is being used
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// separately and has a life cycle that doesn't correspond to the toolbox.
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DebuggerServer.init();
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DebuggerServer.registerAllActors();
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this.client = new DebuggerClient(DebuggerServer.connectPipe());
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await this.client.connect();
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const targetFront = await this.client.mainRoot.getTab();
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this.emulationFront = await targetFront.getFront("emulation");
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}
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/**
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* Show one-time notification about reloads for emulation.
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*/
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showReloadNotification() {
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if (Services.prefs.getBoolPref(RELOAD_NOTIFICATION_PREF, false)) {
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showNotification(this.browserWindow, this.tab, {
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msg: l10n.getFormatStr("responsive.reloadNotification.description2"),
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});
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Services.prefs.setBoolPref(RELOAD_NOTIFICATION_PREF, false);
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}
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}
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reloadOnChange(id) {
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this.showReloadNotification();
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const pref = RELOAD_CONDITION_PREF_PREFIX + id;
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return Services.prefs.getBoolPref(pref, false);
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}
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handleEvent(event) {
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const { browserWindow, tab, toolWindow } = this;
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switch (event.type) {
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case "message":
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this.handleMessage(event);
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break;
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case "FullZoomChange":
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const zoom = tab.linkedBrowser.fullZoom;
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toolWindow.setViewportZoom(zoom);
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break;
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case "BeforeTabRemotenessChange":
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case "TabClose":
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case "unload":
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this.manager.closeIfNeeded(browserWindow, tab, {
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reason: event.type,
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});
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break;
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}
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}
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handleMessage(event) {
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if (event.origin !== "chrome://devtools") {
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return;
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}
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switch (event.data.type) {
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case "change-device":
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this.onChangeDevice(event);
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break;
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case "change-network-throttling":
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this.onChangeNetworkThrottling(event);
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break;
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case "change-pixel-ratio":
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this.onChangePixelRatio(event);
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break;
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case "change-touch-simulation":
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this.onChangeTouchSimulation(event);
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break;
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case "change-user-agent":
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this.onChangeUserAgent(event);
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break;
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case "content-resize":
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this.onContentResize(event);
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break;
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case "exit":
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this.onExit();
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break;
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case "remove-device-association":
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this.onRemoveDeviceAssociation();
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break;
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case "viewport-orientation-change":
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this.onRotateViewport(event);
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break;
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case "viewport-resize":
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this.onResizeViewport(event);
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break;
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}
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}
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async onChangeDevice(event) {
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const { pixelRatio, touch, userAgent } = event.data.device;
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let reloadNeeded = false;
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await this.updateDPPX(pixelRatio);
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// Get the orientation values of the device we are changing to and update.
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const { device, viewport } = event.data;
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const { type, angle } = getOrientation(device, viewport);
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await this.updateScreenOrientation(type, angle);
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reloadNeeded |=
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(await this.updateUserAgent(userAgent)) &&
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this.reloadOnChange("userAgent");
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reloadNeeded |=
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(await this.updateTouchSimulation(touch)) &&
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this.reloadOnChange("touchSimulation");
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if (reloadNeeded) {
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this.getViewportBrowser().reload();
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}
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// Used by tests
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this.emit("device-changed");
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}
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async onChangeNetworkThrottling(event) {
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const { enabled, profile } = event.data;
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await this.updateNetworkThrottling(enabled, profile);
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// Used by tests
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this.emit("network-throttling-changed");
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}
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onChangePixelRatio(event) {
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const { pixelRatio } = event.data;
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this.updateDPPX(pixelRatio);
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}
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async onChangeTouchSimulation(event) {
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const { enabled } = event.data;
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const reloadNeeded =
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(await this.updateTouchSimulation(enabled)) &&
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this.reloadOnChange("touchSimulation");
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if (reloadNeeded) {
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this.getViewportBrowser().reload();
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}
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// Used by tests
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this.emit("touch-simulation-changed");
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}
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async onChangeUserAgent(event) {
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const { userAgent } = event.data;
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const reloadNeeded =
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(await this.updateUserAgent(userAgent)) &&
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this.reloadOnChange("userAgent");
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if (reloadNeeded) {
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this.getViewportBrowser().reload();
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}
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this.emit("user-agent-changed");
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}
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onContentResize(event) {
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const { width, height } = event.data;
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this.emit("content-resize", {
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width,
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height,
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});
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}
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onExit() {
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const { browserWindow, tab } = this;
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this.manager.closeIfNeeded(browserWindow, tab);
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}
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async onRemoveDeviceAssociation() {
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let reloadNeeded = false;
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await this.updateDPPX();
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reloadNeeded |=
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(await this.updateUserAgent()) && this.reloadOnChange("userAgent");
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reloadNeeded |=
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(await this.updateTouchSimulation()) &&
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this.reloadOnChange("touchSimulation");
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if (reloadNeeded) {
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this.getViewportBrowser().reload();
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}
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// Used by tests
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this.emit("device-association-removed");
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}
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onResizeViewport(event) {
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const { width, height } = event.data;
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this.emit("viewport-resize", {
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width,
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height,
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});
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}
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async onRotateViewport(event) {
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const { orientationType: type, angle, isViewportRotated } = event.data;
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await this.updateScreenOrientation(type, angle, isViewportRotated);
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}
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/**
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* Restores the previous state of RDM.
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*/
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async restoreState() {
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const deviceState = await asyncStorage.getItem(
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"devtools.responsive.deviceState"
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);
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if (deviceState) {
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// Return if there is a device state to restore, this will be done when the
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// device list is loaded after the post-init.
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return;
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}
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const height = Services.prefs.getIntPref(
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"devtools.responsive.viewport.height",
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0
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);
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const pixelRatio = Services.prefs.getIntPref(
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"devtools.responsive.viewport.pixelRatio",
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0
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);
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const touchSimulationEnabled = Services.prefs.getBoolPref(
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"devtools.responsive.touchSimulation.enabled",
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false
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);
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const userAgent = Services.prefs.getCharPref(
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"devtools.responsive.userAgent",
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""
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);
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const width = Services.prefs.getIntPref(
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"devtools.responsive.viewport.width",
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0
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);
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let reloadNeeded = false;
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const { type, angle } = this.getInitialViewportOrientation({
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width,
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height,
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});
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await this.updateDPPX(pixelRatio);
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await this.updateScreenOrientation(type, angle);
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if (touchSimulationEnabled) {
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reloadNeeded |=
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(await this.updateTouchSimulation(touchSimulationEnabled)) &&
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this.reloadOnChange("touchSimulation");
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}
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if (userAgent) {
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reloadNeeded |=
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(await this.updateUserAgent(userAgent)) &&
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this.reloadOnChange("userAgent");
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}
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if (reloadNeeded) {
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this.getViewportBrowser().reload();
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}
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}
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/**
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* Set or clear the emulated device pixel ratio.
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*
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* @return boolean
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* Whether a reload is needed to apply the change.
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* (This is always immediate, so it's always false.)
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*/
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async updateDPPX(dppx) {
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if (!dppx) {
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await this.emulationFront.clearDPPXOverride();
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return false;
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}
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await this.emulationFront.setDPPXOverride(dppx);
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return false;
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}
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/**
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* Set or clear network throttling.
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*
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* @return boolean
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* Whether a reload is needed to apply the change.
|
|
* (This is always immediate, so it's always false.)
|
|
*/
|
|
async updateNetworkThrottling(enabled, profile) {
|
|
if (!enabled) {
|
|
await this.emulationFront.clearNetworkThrottling();
|
|
return false;
|
|
}
|
|
const data = throttlingProfiles.find(({ id }) => id == profile);
|
|
const { download, upload, latency } = data;
|
|
await this.emulationFront.setNetworkThrottling({
|
|
downloadThroughput: download,
|
|
uploadThroughput: upload,
|
|
latency,
|
|
});
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Set or clear the emulated user agent.
|
|
*
|
|
* @return boolean
|
|
* Whether a reload is needed to apply the change.
|
|
*/
|
|
updateUserAgent(userAgent) {
|
|
if (!userAgent) {
|
|
return this.emulationFront.clearUserAgentOverride();
|
|
}
|
|
return this.emulationFront.setUserAgentOverride(userAgent);
|
|
}
|
|
|
|
/**
|
|
* Set or clear touch simulation. When setting to true, this method will
|
|
* additionally set meta viewport override if the pref
|
|
* "devtools.responsive.metaViewport.enabled" is true. When setting to
|
|
* false, this method will clear all touch simulation and meta viewport
|
|
* overrides, returning to default behavior for both settings.
|
|
*
|
|
* @return boolean
|
|
* Whether a reload is needed to apply the override change(s).
|
|
*/
|
|
async updateTouchSimulation(enabled) {
|
|
let reloadNeeded;
|
|
if (enabled) {
|
|
const metaViewportEnabled = Services.prefs.getBoolPref(
|
|
"devtools.responsive.metaViewport.enabled",
|
|
false
|
|
);
|
|
|
|
reloadNeeded = await this.emulationFront.setTouchEventsOverride(
|
|
Ci.nsIDocShell.TOUCHEVENTS_OVERRIDE_ENABLED
|
|
);
|
|
|
|
if (metaViewportEnabled) {
|
|
reloadNeeded |= await this.emulationFront.setMetaViewportOverride(
|
|
Ci.nsIDocShell.META_VIEWPORT_OVERRIDE_ENABLED
|
|
);
|
|
}
|
|
} else {
|
|
reloadNeeded = await this.emulationFront.clearTouchEventsOverride();
|
|
reloadNeeded |= await this.emulationFront.clearMetaViewportOverride();
|
|
}
|
|
return reloadNeeded;
|
|
}
|
|
|
|
/**
|
|
* Sets the screen orientation values of the simulated device.
|
|
*
|
|
* @param {String} type
|
|
* The orientation type to update the current device screen to.
|
|
* @param {Number} angle
|
|
* The rotation angle to update the current device screen to.
|
|
* @param {Boolean} isViewportRotated
|
|
* Whether or not the reason for updating the screen orientation is a result
|
|
* of actually rotating the device via the RDM toolbar. If true, then an
|
|
* "orientationchange" event is simulated. Otherwise, the screen orientation is
|
|
* updated because of changing devices, opening RDM, or the page has been
|
|
* reloaded/navigated to, so we should not be simulating "orientationchange".
|
|
*/
|
|
async updateScreenOrientation(type, angle, isViewportRotated = false) {
|
|
const targetFront = await this.client.mainRoot.getTab();
|
|
const simulateOrientationChangeSupported = await targetFront.actorHasMethod(
|
|
"emulation",
|
|
"simulateScreenOrientationChange"
|
|
);
|
|
|
|
// Ensure that simulateScreenOrientationChange is supported.
|
|
if (simulateOrientationChangeSupported) {
|
|
await this.emulationFront.simulateScreenOrientationChange(
|
|
type,
|
|
angle,
|
|
isViewportRotated
|
|
);
|
|
}
|
|
|
|
// Used by tests.
|
|
if (!isViewportRotated) {
|
|
this.emit("only-viewport-orientation-changed");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Helper for tests. Assumes a single viewport for now.
|
|
*/
|
|
getViewportSize() {
|
|
return this.toolWindow.getViewportSize();
|
|
}
|
|
|
|
/**
|
|
* Helper for tests, etc. Assumes a single viewport for now.
|
|
*/
|
|
async setViewportSize(size) {
|
|
await this.inited;
|
|
this.toolWindow.setViewportSize(size);
|
|
}
|
|
|
|
/**
|
|
* Helper for tests/reloading the viewport. Assumes a single viewport for now.
|
|
*/
|
|
getViewportBrowser() {
|
|
return this.toolWindow.getViewportBrowser();
|
|
}
|
|
|
|
/**
|
|
* Helper for contacting the viewport content. Assumes a single viewport for now.
|
|
*/
|
|
getViewportMessageManager() {
|
|
return this.getViewportBrowser().messageManager;
|
|
}
|
|
|
|
/**
|
|
* Helper for getting the initial viewport orientation.
|
|
*/
|
|
getInitialViewportOrientation(viewport) {
|
|
return getOrientation(viewport, viewport);
|
|
}
|
|
}
|
|
|
|
module.exports = ResponsiveUI;
|