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Bug 1074180 - Convert touch simulator to frame script for e10s. r=ochameau

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--HG--
rename : toolkit/devtools/touch-events.js => toolkit/devtools/touch/simulator-content.js
extra : commitid : FXROVMfi1NS
This commit is contained in:
J. Ryan Stinnett 2015-07-16 01:12:50 -05:00
parent 834ce811ca
commit c39e19e968
12 changed files with 470 additions and 401 deletions
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10
b2g/chrome/content/desktop.js
View File

@ -10,13 +10,9 @@ let isMulet = "ResponsiveUI" in browserWindow;
function enableTouch() {
let require = Cu.import('resource://gre/modules/devtools/Loader.jsm', {})
.devtools.require;
let { TouchEventHandler } = require('devtools/touch-events');
let chromeEventHandler = window.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIWebNavigation)
.QueryInterface(Ci.nsIDocShell)
.chromeEventHandler || window;
let touchEventHandler = new TouchEventHandler(chromeEventHandler);
touchEventHandler.start();
let { TouchEventSimulator } = require('devtools/toolkit/touch/simulator');
let touchEventSimulator = new TouchEventSimulator(shell.contentBrowser);
touchEventSimulator.start();
}
function setupButtons() {

34
browser/devtools/responsivedesign/responsivedesign.jsm
View File

@ -19,7 +19,8 @@ XPCOMUtils.defineLazyModuleGetter(this, "SystemAppProxy",
var require = Cu.import("resource://gre/modules/devtools/Loader.jsm", {}).devtools.require;
let Telemetry = require("devtools/shared/telemetry");
let { showDoorhanger } = require("devtools/shared/doorhanger");
let {TouchEventHandler} = require("devtools/touch-events");
let { TouchEventSimulator } = require("devtools/toolkit/touch/simulator");
let { Task } = require("resource://gre/modules/Task.jsm");
this.EXPORTED_SYMBOLS = ["ResponsiveUIManager"];
@ -134,7 +135,6 @@ function ResponsiveUI(aWindow, aTab)
this.container = aWindow.gBrowser.getBrowserContainer(this.browser);
this.stack = this.container.querySelector(".browserStack");
this._telemetry = new Telemetry();
this.e10s = !this.browser.contentWindow;
let childOn = () => {
this.mm.removeMessageListener("ResponsiveMode:Start:Done", childOn);
@ -219,11 +219,9 @@ function ResponsiveUI(aWindow, aTab)
this._telemetry.toolOpened("responsive");
if (!this.e10s) {
// Touch events support
this.touchEnableBefore = false;
this.touchEventHandler = new TouchEventHandler(this.browser);
}
this.touchEventSimulator = new TouchEventSimulator(this.browser);
// Hook to display promotional Developer Edition doorhanger. Only displayed once.
showDoorhanger({
@ -274,9 +272,7 @@ ResponsiveUI.prototype = {
this.closebutton.removeEventListener("command", this.bound_close, true);
this.addbutton.removeEventListener("command", this.bound_addPreset, true);
this.removebutton.removeEventListener("command", this.bound_removePreset, true);
if (!this.e10s) {
this.touchbutton.removeEventListener("command", this.bound_touch, true);
}
// Removed elements.
this.container.removeChild(this.toolbar);
@ -295,8 +291,8 @@ ResponsiveUI.prototype = {
this.stack.removeAttribute("responsivemode");
ActiveTabs.delete(this.tab);
if (!this.e10s && this.touchEventHandler) {
this.touchEventHandler.stop();
if (this.touchEventSimulator) {
this.touchEventSimulator.stop();
}
this._telemetry.toolClosed("responsive");
let childOff = () => {
@ -441,14 +437,12 @@ ResponsiveUI.prototype = {
this.toolbar.appendChild(this.menulist);
this.toolbar.appendChild(this.rotatebutton);
if (!this.e10s) {
this.touchbutton = this.chromeDoc.createElement("toolbarbutton");
this.touchbutton.setAttribute("tabindex", "0");
this.touchbutton.setAttribute("tooltiptext", this.strings.GetStringFromName("responsiveUI.touch"));
this.touchbutton.className = "devtools-responsiveui-toolbarbutton devtools-responsiveui-touch";
this.touchbutton.addEventListener("command", this.bound_touch, true);
this.toolbar.appendChild(this.touchbutton);
}
this.toolbar.appendChild(this.screenshotbutton);
@ -793,19 +787,13 @@ ResponsiveUI.prototype = {
* Enable/Disable mouse -> touch events translation.
*/
enableTouch: function RUI_enableTouch() {
if (!this.touchEventHandler.enabled) {
let isReloadNeeded = this.touchEventHandler.start();
this.touchbutton.setAttribute("checked", "true");
return isReloadNeeded;
}
return false;
return this.touchEventSimulator.start();
},
disableTouch: function RUI_disableTouch() {
if (this.touchEventHandler.enabled) {
this.touchEventHandler.stop();
this.touchbutton.removeAttribute("checked");
}
return this.touchEventSimulator.stop();
},
hideTouchNotification: function RUI_hideTouchNotification() {
@ -816,12 +804,12 @@ ResponsiveUI.prototype = {
}
},
toggleTouch: function RUI_toggleTouch() {
toggleTouch: Task.async(function*() {
this.hideTouchNotification();
if (this.touchEventHandler.enabled) {
if (this.touchEventSimulator.enabled) {
this.disableTouch();
} else {
let isReloadNeeded = this.enableTouch();
let isReloadNeeded = yield this.enableTouch();
if (isReloadNeeded) {
if (Services.prefs.getBoolPref("devtools.responsiveUI.no-reload-notification")) {
return;
@ -851,7 +839,7 @@ ResponsiveUI.prototype = {
buttons);
}
}
},
}),
/**
* Change the size of the browser.

1
browser/devtools/responsivedesign/test/browser.ini
View File

@ -12,6 +12,5 @@ skip-if = e10s # Bug ??????
skip-if = e10s # Bug ??????
[browser_responsiveui.js]
[browser_responsiveui_touch.js]
skip-if = e10s # Bug ?????? - [e10s] re-introduce touch feature in responsive mode
[browser_responsiveuiaddcustompreset.js]
[browser_responsive_devicewidth.js]

80
browser/devtools/responsivedesign/test/browser_responsiveui_touch.js
View File

@ -1,66 +1,50 @@
/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
function test() {
let url = "http://mochi.test:8888/browser/browser/devtools/responsivedesign/test/touch.html";
"use strict";
const TEST_URI = "http://mochi.test:8888/browser/browser/devtools/" +
"responsivedesign/test/touch.html";
add_task(function*() {
yield addTab(TEST_URI);
let mgr = ResponsiveUI.ResponsiveUIManager;
waitForExplicitFinish();
gBrowser.selectedTab = gBrowser.addTab();
gBrowser.selectedBrowser.addEventListener("load", function onload() {
gBrowser.selectedBrowser.removeEventListener("load", onload, true);
waitForFocus(startTest, content);
}, true);
content.location = url;
function startTest() {
mgr.once("on", function() {executeSoon(testWithNoTouch)});
mgr.once("off", function() {executeSoon(finishUp)});
let mgrOn = once(mgr, "on");
mgr.toggle(window, gBrowser.selectedTab);
}
yield mgrOn;
yield testWithNoTouch();
yield mgr.getResponsiveUIForTab(gBrowser.selectedTab).enableTouch();
yield testWithTouch();
yield mgr.getResponsiveUIForTab(gBrowser.selectedTab).disableTouch();
yield testWithNoTouch();
let mgrOff = once(mgr, "off");
mgr.toggle(window, gBrowser.selectedTab);
yield mgrOff;
});
function testWithNoTouch() {
function* testWithNoTouch() {
let div = content.document.querySelector("div");
let x = 2, y = 2;
EventUtils.synthesizeMouse(div, x, y, {type: "mousedown", isSynthesized: false}, content);
yield BrowserTestUtils.synthesizeMouse("div", x, y,
{ type: "mousedown", isSynthesized: false }, gBrowser.selectedBrowser);
x += 20; y += 10;
EventUtils.synthesizeMouse(div, x, y, {type: "mousemove", isSynthesized: false}, content);
is(div.style.transform, "", "touch didn't work");
EventUtils.synthesizeMouse(div, x, y, {type: "mouseup", isSynthesized: false}, content);
testWithTouch();
yield BrowserTestUtils.synthesizeMouse("div", x, y,
{ type: "mousemove", isSynthesized: false }, gBrowser.selectedBrowser);
is(div.style.transform, "none", "touch didn't work");
yield BrowserTestUtils.synthesizeMouse("div", x, y,
{ type: "mouseup", isSynthesized: false }, gBrowser.selectedBrowser);
}
function testWithTouch() {
mgr.getResponsiveUIForTab(gBrowser.selectedTab).enableTouch();
function* testWithTouch() {
let div = content.document.querySelector("div");
let x = 2, y = 2;
EventUtils.synthesizeMouse(div, x, y, {type: "mousedown", isSynthesized: false}, content);
yield BrowserTestUtils.synthesizeMouse("div", x, y,
{ type: "mousedown", isSynthesized: false }, gBrowser.selectedBrowser);
x += 20; y += 10;
EventUtils.synthesizeMouse(div, x, y, {type: "mousemove", isSynthesized: false}, content);
yield BrowserTestUtils.synthesizeMouse("div", x, y,
{ type: "mousemove", isSynthesized: false }, gBrowser.selectedBrowser);
is(div.style.transform, "translate(20px, 10px)", "touch worked");
EventUtils.synthesizeMouse(div, x, y, {type: "mouseup", isSynthesized: false}, content);
yield BrowserTestUtils.synthesizeMouse("div", x, y,
{ type: "mouseup", isSynthesized: false }, gBrowser.selectedBrowser);
is(div.style.transform, "none", "end event worked");
mgr.toggle(window, gBrowser.selectedTab);
}
function testWithTouchAgain() {
mgr.getResponsiveUIForTab(gBrowser.selectedTab).disableTouch();
let div = content.document.querySelector("div");
let x = 2, y = 2;
EventUtils.synthesizeMouse(div, x, y, {type: "mousedown", isSynthesized: false}, content);
x += 20; y += 10;
EventUtils.synthesizeMouse(div, x, y, {type: "mousemove", isSynthesized: false}, content);
is(div.style.transform, "", "touch didn't work");
EventUtils.synthesizeMouse(div, x, y, {type: "mouseup", isSynthesized: false}, content);
finishUp();
}
function finishUp() {
gBrowser.removeCurrentTab();
finish();
}
}

5
browser/devtools/responsivedesign/test/head.js
View File

@ -14,8 +14,11 @@ let testDir = gTestPath.substr(0, gTestPath.lastIndexOf("/"));
Services.scriptloader.loadSubScript(testDir + "../../../commandline/test/helpers.js", this);
DevToolsUtils.testing = true;
SimpleTest.registerCleanupFunction(() => {
registerCleanupFunction(() => {
DevToolsUtils.testing = false;
while (gBrowser.tabs.length > 1) {
gBrowser.removeCurrentTab();
}
});
/**

1
browser/devtools/responsivedesign/test/touch.html
View File

@ -17,6 +17,7 @@
var div = document.querySelector("div");
var initX, initY;
div.style.transform = "none";
div.addEventListener("touchstart", function(evt) {
var touch = evt.changedTouches[0];

3
toolkit/devtools/Loader.jsm
View File

@ -87,7 +87,6 @@ BuiltinProvider.prototype = {
"devtools/styleinspector/css-logic": "resource://gre/modules/devtools/styleinspector/css-logic",
"devtools/css-color": "resource://gre/modules/devtools/css-color",
"devtools/output-parser": "resource://gre/modules/devtools/output-parser",
"devtools/touch-events": "resource://gre/modules/devtools/touch-events",
"devtools/client": "resource://gre/modules/devtools/client",
"devtools/pretty-fast": "resource://gre/modules/devtools/pretty-fast.js",
"devtools/jsbeautify": "resource://gre/modules/devtools/jsbeautify/beautify.js",
@ -146,7 +145,6 @@ SrcdirProvider.prototype = {
let cssLogicURI = this.fileURI(OS.Path.join(toolkitDir, "styleinspector", "css-logic"));
let cssColorURI = this.fileURI(OS.Path.join(toolkitDir, "css-color"));
let outputParserURI = this.fileURI(OS.Path.join(toolkitDir, "output-parser"));
let touchEventsURI = this.fileURI(OS.Path.join(toolkitDir, "touch-events"));
let clientURI = this.fileURI(OS.Path.join(toolkitDir, "client"));
let prettyFastURI = this.fileURI(OS.Path.join(toolkitDir), "pretty-fast.js");
let jsBeautifyURI = this.fileURI(OS.Path.join(toolkitDir, "jsbeautify", "beautify.js"));
@ -174,7 +172,6 @@ SrcdirProvider.prototype = {
"devtools/styleinspector/css-logic": cssLogicURI,
"devtools/css-color": cssColorURI,
"devtools/output-parser": outputParserURI,
"devtools/touch-events": touchEventsURI,
"devtools/client": clientURI,
"devtools/pretty-fast": prettyFastURI,
"devtools/jsbeautify": jsBeautifyURI,

2
toolkit/devtools/moz.build
View File

@ -19,6 +19,7 @@ DIRS += [
'shared',
'styleinspector',
'tern',
'touch',
'transport',
'webconsole'
]
@ -36,7 +37,6 @@ EXTRA_JS_MODULES.devtools += [
'event-parsers.js',
'output-parser.js',
'path.js',
'touch-events.js',
'worker-loader.js',
]

294
toolkit/devtools/touch-events.js
View File

@ -1,294 +0,0 @@
/* 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/. */
"use strict";
let {Ci, Cu} = require("chrome");
Cu.import("resource://gre/modules/Services.jsm");
let savedTouchEventsEnabled =
Services.prefs.getIntPref("dom.w3c_touch_events.enabled");
let systemAppOrigin = (function() {
let systemOrigin = "_";
try {
systemOrigin = Services.io.newURI(
Services.prefs.getCharPref("b2g.system_manifest_url"), null, null)
.prePath;
} catch(e) {
// Fall back to default value
}
return systemOrigin;
})();
let trackedWindows = new WeakMap();
// =================== Touch ====================
// Simulate touch events on desktop
function TouchEventHandler(window) {
// Returns an already instanciated handler for this window
let cached = trackedWindows.get(window);
if (cached) {
return cached;
}
let contextMenuTimeout = 0;
let threshold = 25;
try {
threshold = Services.prefs.getIntPref("ui.dragThresholdX");
} catch(e) {
// Fall back to default value
}
let delay = 500;
try {
delay = Services.prefs.getIntPref("ui.click_hold_context_menus.delay");
} catch(e) {
// Fall back to default value
}
let handler = {
enabled: false,
events: ["mousedown", "mousemove", "mouseup", "touchstart", "touchend"],
start() {
if (this.enabled) {
return false;
}
this.enabled = true;
let isReloadNeeded =
Services.prefs.getIntPref("dom.w3c_touch_events.enabled") != 1;
Services.prefs.setIntPref("dom.w3c_touch_events.enabled", 1);
this.events.forEach((function(evt) {
// Only listen trusted events to prevent messing with
// event dispatched manually within content documents
window.addEventListener(evt, this, true, false);
}).bind(this));
return isReloadNeeded;
},
stop() {
if (!this.enabled) {
return;
}
this.enabled = false;
Services.prefs.setIntPref("dom.w3c_touch_events.enabled",
savedTouchEventsEnabled);
this.events.forEach((function(evt) {
window.removeEventListener(evt, this, true);
}).bind(this));
},
handleEvent(evt) {
// The gaia system window use an hybrid system even on the device which is
// a mix of mouse/touch events. So let's not cancel *all* mouse events
// if it is the current target.
let content = this.getContent(evt.target);
if (!content) {
return;
}
let isSystemWindow = content.location.toString()
.startsWith(systemAppOrigin);
// App touchstart & touchend should also be dispatched on the system app
// to match on-device behavior.
if (evt.type.startsWith("touch") && !isSystemWindow) {
let sysFrame = content.realFrameElement;
if (!sysFrame) {
return;
}
let sysDocument = sysFrame.ownerDocument;
let sysWindow = sysDocument.defaultView;
let touchEvent = sysDocument.createEvent("touchevent");
let touch = evt.touches[0] || evt.changedTouches[0];
let point = sysDocument.createTouch(sysWindow, sysFrame, 0,
touch.pageX, touch.pageY,
touch.screenX, touch.screenY,
touch.clientX, touch.clientY,
1, 1, 0, 0);
let touches = sysDocument.createTouchList(point);
let targetTouches = touches;
let changedTouches = touches;
touchEvent.initTouchEvent(evt.type, true, true, sysWindow, 0,
false, false, false, false,
touches, targetTouches, changedTouches);
sysFrame.dispatchEvent(touchEvent);
return;
}
// Ignore all but real mouse event coming from physical mouse
// (especially ignore mouse event being dispatched from a touch event)
if (evt.button ||
evt.mozInputSource != Ci.nsIDOMMouseEvent.MOZ_SOURCE_MOUSE ||
evt.isSynthesized) {
return;
}
let eventTarget = this.target;
let type = "";
switch (evt.type) {
case "mousedown":
this.target = evt.target;
contextMenuTimeout =
this.sendContextMenu(evt.target, evt.pageX, evt.pageY);
this.cancelClick = false;
this.startX = evt.pageX;
this.startY = evt.pageY;
// Capture events so if a different window show up the events
// won't be dispatched to something else.
evt.target.setCapture(false);
type = "touchstart";
break;
case "mousemove":
if (!eventTarget) {
return;
}
if (!this.cancelClick) {
if (Math.abs(this.startX - evt.pageX) > threshold ||
Math.abs(this.startY - evt.pageY) > threshold) {
this.cancelClick = true;
content.clearTimeout(contextMenuTimeout);
}
}
type = "touchmove";
break;
case "mouseup":
if (!eventTarget) {
return;
}
this.target = null;
content.clearTimeout(contextMenuTimeout);
type = "touchend";
// Only register click listener after mouseup to ensure
// catching only real user click. (Especially ignore click
// being dispatched on form submit)
if (evt.detail == 1) {
window.addEventListener("click", this, true, false);
}
break;
case "click":
// Mouse events has been cancelled so dispatch a sequence
// of events to where touchend has been fired
evt.preventDefault();
evt.stopImmediatePropagation();
window.removeEventListener("click", this, true, false);
if (this.cancelClick) {
return;
}
content.setTimeout(function dispatchMouseEvents(self) {
try {
self.fireMouseEvent("mousedown", evt);
self.fireMouseEvent("mousemove", evt);
self.fireMouseEvent("mouseup", evt);
} catch(e) {
Cu.reportError("Exception in touch event helper: " + e);
}
}, 0, this);
return;
}
let target = eventTarget || this.target;
if (target && type) {
this.sendTouchEvent(evt, target, type);
}
if (!isSystemWindow) {
evt.preventDefault();
evt.stopImmediatePropagation();
}
},
fireMouseEvent(type, evt) {
let content = this.getContent(evt.target);
let utils = content.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIDOMWindowUtils);
utils.sendMouseEvent(type, evt.clientX, evt.clientY, 0, 1, 0, true, 0,
Ci.nsIDOMMouseEvent.MOZ_SOURCE_TOUCH);
},
sendContextMenu(target, x, y) {
let doc = target.ownerDocument;
let evt = doc.createEvent("MouseEvent");
evt.initMouseEvent("contextmenu", true, true, doc.defaultView,
0, x, y, x, y, false, false, false, false,
0, null);
let content = this.getContent(target);
let timeout = content.setTimeout((function contextMenu() {
target.dispatchEvent(evt);
this.cancelClick = true;
}).bind(this), delay);
return timeout;
},
sendTouchEvent(evt, target, name) {
function clone(obj) {
return Cu.cloneInto(obj, target);
}
// When running OOP b2g desktop, we need to send the touch events
// using the mozbrowser api on the unwrapped frame.
if (target.localName == "iframe" && target.mozbrowser === true) {
if (name == "touchstart") {
this.touchstartTime = Date.now();
} else if (name == "touchend") {
// If we have a "fast" tap, don't send a click as both will be turned
// into a click and that breaks eg. checkboxes.
if (Date.now() - this.touchstartTime < delay) {
this.cancelClick = true;
}
}
let unwrapped = XPCNativeWrapper.unwrap(target);
unwrapped.sendTouchEvent(name, clone([0]), // event type, id
clone([evt.clientX]), // x
clone([evt.clientY]), // y
clone([1]), clone([1]), // rx, ry
clone([0]), clone([0]), // rotation, force
1); // count
return;
}
let document = target.ownerDocument;
let content = this.getContent(target);
if (!content) {
return;
}
let touchEvent = document.createEvent("touchevent");
let point = document.createTouch(content, target, 0,
evt.pageX, evt.pageY,
evt.screenX, evt.screenY,
evt.clientX, evt.clientY,
1, 1, 0, 0);
let touches = document.createTouchList(point);
let targetTouches = touches;
let changedTouches = touches;
touchEvent.initTouchEvent(name, true, true, content, 0,
false, false, false, false,
touches, targetTouches, changedTouches);
target.dispatchEvent(touchEvent);
},
getContent(target) {
let win = (target && target.ownerDocument)
? target.ownerDocument.defaultView
: null;
return win;
}
};
trackedWindows.set(window, handler);
return handler;
}
exports.TouchEventHandler = TouchEventHandler;

10
toolkit/devtools/touch/moz.build Normal file
View File

@ -0,0 +1,10 @@
# -*- Mode: python; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40 -*-
# vim: set filetype=python:
# 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/.
EXTRA_JS_MODULES.devtools.touch += [
'simulator-content.js',
'simulator.js',
]

304
toolkit/devtools/touch/simulator-content.js Normal file
View File

@ -0,0 +1,304 @@
/* 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/. */
/* globals addMessageListener, sendAsyncMessage, addEventListener,
removeEventListener */
"use strict";
let { interfaces: Ci, utils: Cu } = Components;
Cu.import("resource://gre/modules/Services.jsm");
let systemAppOrigin = (function() {
let systemOrigin = "_";
try {
systemOrigin = Services.io.newURI(
Services.prefs.getCharPref("b2g.system_manifest_url"), null, null)
.prePath;
} catch(e) {
// Fall back to default value
}
return systemOrigin;
})();
let threshold = 25;
try {
threshold = Services.prefs.getIntPref("ui.dragThresholdX");
} catch(e) {
// Fall back to default value
}
let delay = 500;
try {
delay = Services.prefs.getIntPref("ui.click_hold_context_menus.delay");
} catch(e) {
// Fall back to default value
}
/**
* Simulate touch events for platforms where they aren't generally available.
* This frame script is managed by `simulator.js`.
*/
let simulator = {
events: [
"mousedown",
"mousemove",
"mouseup",
"touchstart",
"touchend",
],
messages: [
"TouchEventSimulator:Start",
"TouchEventSimulator:Stop",
],
contextMenuTimeout: null,
init() {
this.messages.forEach(msgName => {
addMessageListener(msgName, this);
});
},
receiveMessage(msg) {
switch (msg.name) {
case "TouchEventSimulator:Start":
this.start();
break;
case "TouchEventSimulator:Stop":
this.stop();
break;
}
},
start() {
this.events.forEach(evt => {
// Only listen trusted events to prevent messing with
// event dispatched manually within content documents
addEventListener(evt, this, true, false);
});
sendAsyncMessage("TouchEventSimulator:Started");
},
stop() {
this.events.forEach(evt => {
removeEventListener(evt, this, true);
});
sendAsyncMessage("TouchEventSimulator:Stopped");
},
handleEvent(evt) {
// The gaia system window use an hybrid system even on the device which is
// a mix of mouse/touch events. So let's not cancel *all* mouse events
// if it is the current target.
let content = this.getContent(evt.target);
if (!content) {
return;
}
let isSystemWindow = content.location.toString()
.startsWith(systemAppOrigin);
// App touchstart & touchend should also be dispatched on the system app
// to match on-device behavior.
if (evt.type.startsWith("touch") && !isSystemWindow) {
let sysFrame = content.realFrameElement;
if (!sysFrame) {
return;
}
let sysDocument = sysFrame.ownerDocument;
let sysWindow = sysDocument.defaultView;
let touchEvent = sysDocument.createEvent("touchevent");
let touch = evt.touches[0] || evt.changedTouches[0];
let point = sysDocument.createTouch(sysWindow, sysFrame, 0,
touch.pageX, touch.pageY,
touch.screenX, touch.screenY,
touch.clientX, touch.clientY,
1, 1, 0, 0);
let touches = sysDocument.createTouchList(point);
let targetTouches = touches;
let changedTouches = touches;
touchEvent.initTouchEvent(evt.type, true, true, sysWindow, 0,
false, false, false, false,
touches, targetTouches, changedTouches);
sysFrame.dispatchEvent(touchEvent);
return;
}
// Ignore all but real mouse event coming from physical mouse
// (especially ignore mouse event being dispatched from a touch event)
if (evt.button ||
evt.mozInputSource != Ci.nsIDOMMouseEvent.MOZ_SOURCE_MOUSE ||
evt.isSynthesized) {
return;
}
let eventTarget = this.target;
let type = "";
switch (evt.type) {
case "mousedown":
this.target = evt.target;
this.contextMenuTimeout =
this.sendContextMenu(evt.target, evt.pageX, evt.pageY);
this.cancelClick = false;
this.startX = evt.pageX;
this.startY = evt.pageY;
// Capture events so if a different window show up the events
// won't be dispatched to something else.
evt.target.setCapture(false);
type = "touchstart";
break;
case "mousemove":
if (!eventTarget) {
return;
}
if (!this.cancelClick) {
if (Math.abs(this.startX - evt.pageX) > threshold ||
Math.abs(this.startY - evt.pageY) > threshold) {
this.cancelClick = true;
content.clearTimeout(this.contextMenuTimeout);
}
}
type = "touchmove";
break;
case "mouseup":
if (!eventTarget) {
return;
}
this.target = null;
content.clearTimeout(this.contextMenuTimeout);
type = "touchend";
// Only register click listener after mouseup to ensure
// catching only real user click. (Especially ignore click
// being dispatched on form submit)
if (evt.detail == 1) {
addEventListener("click", this, true, false);
}
break;
case "click":
// Mouse events has been cancelled so dispatch a sequence
// of events to where touchend has been fired
evt.preventDefault();
evt.stopImmediatePropagation();
removeEventListener("click", this, true, false);
if (this.cancelClick) {
return;
}
content.setTimeout(function dispatchMouseEvents(self) {
try {
self.fireMouseEvent("mousedown", evt);
self.fireMouseEvent("mousemove", evt);
self.fireMouseEvent("mouseup", evt);
} catch(e) {
Cu.reportError("Exception in touch event helper: " + e);
}
}, 0, this);
return;
}
let target = eventTarget || this.target;
if (target && type) {
this.sendTouchEvent(evt, target, type);
}
if (!isSystemWindow) {
evt.preventDefault();
evt.stopImmediatePropagation();
}
},
fireMouseEvent(type, evt) {
let content = this.getContent(evt.target);
let utils = content.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIDOMWindowUtils);
utils.sendMouseEvent(type, evt.clientX, evt.clientY, 0, 1, 0, true, 0,
Ci.nsIDOMMouseEvent.MOZ_SOURCE_TOUCH);
},
sendContextMenu(target, x, y) {
let doc = target.ownerDocument;
let evt = doc.createEvent("MouseEvent");
evt.initMouseEvent("contextmenu", true, true, doc.defaultView,
0, x, y, x, y, false, false, false, false,
0, null);
let content = this.getContent(target);
let timeout = content.setTimeout((function contextMenu() {
target.dispatchEvent(evt);
this.cancelClick = true;
}).bind(this), delay);
return timeout;
},
sendTouchEvent(evt, target, name) {
function clone(obj) {
return Cu.cloneInto(obj, target);
}
// When running OOP b2g desktop, we need to send the touch events
// using the mozbrowser api on the unwrapped frame.
if (target.localName == "iframe" && target.mozbrowser === true) {
if (name == "touchstart") {
this.touchstartTime = Date.now();
} else if (name == "touchend") {
// If we have a "fast" tap, don't send a click as both will be turned
// into a click and that breaks eg. checkboxes.
if (Date.now() - this.touchstartTime < delay) {
this.cancelClick = true;
}
}
let unwrapped = XPCNativeWrapper.unwrap(target);
unwrapped.sendTouchEvent(name, clone([0]), // event type, id
clone([evt.clientX]), // x
clone([evt.clientY]), // y
clone([1]), clone([1]), // rx, ry
clone([0]), clone([0]), // rotation, force
1); // count
return;
}
let document = target.ownerDocument;
let content = this.getContent(target);
if (!content) {
return;
}
let touchEvent = document.createEvent("touchevent");
let point = document.createTouch(content, target, 0,
evt.pageX, evt.pageY,
evt.screenX, evt.screenY,
evt.clientX, evt.clientY,
1, 1, 0, 0);
let touches = document.createTouchList(point);
let targetTouches = touches;
let changedTouches = touches;
touchEvent.initTouchEvent(name, true, true, content, 0,
false, false, false, false,
touches, targetTouches, changedTouches);
target.dispatchEvent(touchEvent);
},
getContent(target) {
let win = (target && target.ownerDocument)
? target.ownerDocument.defaultView
: null;
return win;
}
};
simulator.init();

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toolkit/devtools/touch/simulator.js Normal file
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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";
let { Ci } = require("chrome");
let promise = require("promise");
const FRAME_SCRIPT =
"resource://gre/modules/devtools/touch/simulator-content.js";
let trackedBrowsers = new WeakMap();
let savedTouchEventsEnabled =
Services.prefs.getIntPref("dom.w3c_touch_events.enabled");
/**
* Simulate touch events for platforms where they aren't generally available.
* Defers to the `simulator-content.js` frame script to perform the real work.
*/
function TouchEventSimulator(browser) {
// Returns an already instantiated simulator for this browser
let simulator = trackedBrowsers.get(browser);
if (simulator) {
return simulator;
}
let mm = browser.messageManager;
if (!mm) {
// Maybe browser is an iframe
mm = browser.QueryInterface(Ci.nsIFrameLoaderOwner)
.frameLoader.messageManager;
}
mm.loadFrameScript(FRAME_SCRIPT, true);
simulator = {
enabled: false,
start() {
if (this.enabled) {
return promise.resolve({ isReloadNeeded: false });
}
this.enabled = true;
let deferred = promise.defer();
let isReloadNeeded =
Services.prefs.getIntPref("dom.w3c_touch_events.enabled") != 1;
Services.prefs.setIntPref("dom.w3c_touch_events.enabled", 1);
let onStarted = () => {
mm.removeMessageListener("TouchEventSimulator:Started", onStarted);
deferred.resolve({ isReloadNeeded });
};
mm.addMessageListener("TouchEventSimulator:Started", onStarted);
mm.sendAsyncMessage("TouchEventSimulator:Start");
return deferred.promise;
},
stop() {
if (!this.enabled) {
return promise.resolve();
}
this.enabled = false;
let deferred = promise.defer();
Services.prefs.setIntPref("dom.w3c_touch_events.enabled",
savedTouchEventsEnabled);
let onStopped = () => {
mm.removeMessageListener("TouchEventSimulator:Stopped", onStopped);
deferred.resolve();
};
mm.addMessageListener("TouchEventSimulator:Stopped", onStopped);
mm.sendAsyncMessage("TouchEventSimulator:Stop");
return deferred.promise;
}
};
trackedBrowsers.set(browser, simulator);
return simulator;
}
exports.TouchEventSimulator = TouchEventSimulator;