gecko/browser/base/content/test/browser_gestureSupport.js

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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Firefox Gesture Support Test Code
*
* The Initial Developer of the Original Code is
* Thomas K. Dyas <tdyas@zecador.org>
* Portions created by the Initial Developer are Copyright (C) 2008
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Edward Lee <edward.lee@engineering.uiuc.edu>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
// Simple gestures tests
//
// These tests require the ability to disable the fact that the
// Firefox chrome intentionally prevents "simple gesture" events from
// reaching web content.
let test_utils;
let test_commandset;
let test_prefBranch = "browser.gesture.";
function test()
{
// Disable the default gestures support during the test
gGestureSupport.init(false);
// Enable privileges so we can use nsIDOMWindowUtils interface
netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
test_utils = window.QueryInterface(Components.interfaces.nsIInterfaceRequestor).
getInterface(Components.interfaces.nsIDOMWindowUtils);
// Run the tests of "simple gesture" events generally
test_EnsureConstantsAreDisjoint();
test_TestEventListeners();
test_TestEventCreation();
// Reenable the default gestures support. The remaining tests target
// the Firefox gesture functionality.
gGestureSupport.init(true);
// Test Firefox's gestures support.
test_commandset = document.getElementById("mainCommandSet");
test_swipeGestures();
test_latchedGesture("pinch", "out", "in", "MozMagnifyGesture");
test_latchedGesture("twist", "right", "left", "MozRotateGesture");
test_thresholdGesture("pinch", "out", "in", "MozMagnifyGesture");
test_thresholdGesture("twist", "right", "left", "MozRotateGesture");
}
let test_eventCount = 0;
let test_expectedType;
let test_expectedDirection;
let test_expectedDelta;
let test_expectedModifiers;
function test_gestureListener(evt)
{
is(evt.type, test_expectedType,
"evt.type (" + evt.type + ") does not match expected value");
is(evt.target, test_utils.elementFromPoint(20, 20, false, false),
"evt.target (" + evt.target + ") does not match expected value");
is(evt.clientX, 20,
"evt.clientX (" + evt.clientX + ") does not match expected value");
is(evt.clientY, 20,
"evt.clientY (" + evt.clientY + ") does not match expected value");
isnot(evt.screenX, 0,
"evt.screenX (" + evt.screenX + ") does not match expected value");
isnot(evt.screenY, 0,
"evt.screenY (" + evt.screenY + ") does not match expected value");
is(evt.direction, test_expectedDirection,
"evt.direction (" + evt.direction + ") does not match expected value");
is(evt.delta, test_expectedDelta,
"evt.delta (" + evt.delta + ") does not match expected value");
is(evt.shiftKey, (test_expectedModifiers & Components.interfaces.nsIDOMNSEvent.SHIFT_MASK) != 0,
"evt.shiftKey did not match expected value");
is(evt.ctrlKey, (test_expectedModifiers & Components.interfaces.nsIDOMNSEvent.CONTROL_MASK) != 0,
"evt.ctrlKey did not match expected value");
is(evt.altKey, (test_expectedModifiers & Components.interfaces.nsIDOMNSEvent.ALT_MASK) != 0,
"evt.altKey did not match expected value");
is(evt.metaKey, (test_expectedModifiers & Components.interfaces.nsIDOMNSEvent.META_MASK) != 0,
"evt.metaKey did not match expected value");
test_eventCount++;
}
function test_helper1(type, direction, delta, modifiers)
{
// Setup the expected values
test_expectedType = type;
test_expectedDirection = direction;
test_expectedDelta = delta;
test_expectedModifiers = modifiers;
let expectedEventCount = test_eventCount + 1;
document.addEventListener(type, test_gestureListener, true);
test_utils.sendSimpleGestureEvent(type, 20, 20, direction, delta, modifiers);
document.removeEventListener(type, test_gestureListener, true);
is(expectedEventCount, test_eventCount, "Event (" + type + ") was never received by event listener");
}
function test_TestEventListeners()
{
let e = test_helper1; // easier to type this name
// Swipe gesture event
e("MozSwipeGesture", SimpleGestureEvent.DIRECTION_LEFT, 0.0, 0);
e("MozSwipeGesture", SimpleGestureEvent.DIRECTION_RIGHT, 0.0, 0);
e("MozSwipeGesture", SimpleGestureEvent.DIRECTION_UP, 0.0, 0);
e("MozSwipeGesture", SimpleGestureEvent.DIRECTION_DOWN, 0.0, 0);
e("MozSwipeGesture",
SimpleGestureEvent.DIRECTION_UP | SimpleGestureEvent.DIRECTION_LEFT, 0.0, 0);
e("MozSwipeGesture",
SimpleGestureEvent.DIRECTION_DOWN | SimpleGestureEvent.DIRECTION_RIGHT, 0.0, 0);
e("MozSwipeGesture",
SimpleGestureEvent.DIRECTION_UP | SimpleGestureEvent.DIRECTION_RIGHT, 0.0, 0);
e("MozSwipeGesture",
SimpleGestureEvent.DIRECTION_DOWN | SimpleGestureEvent.DIRECTION_LEFT, 0.0, 0);
// magnify gesture events
e("MozMagnifyGestureStart", 0, 50.0, 0);
e("MozMagnifyGestureUpdate", 0, -25.0, 0);
e("MozMagnifyGestureUpdate", 0, 5.0, 0);
e("MozMagnifyGesture", 0, 30.0, 0);
// rotate gesture events
e("MozRotateGestureStart", SimpleGestureEvent.ROTATION_CLOCKWISE, 33.0, 0);
e("MozRotateGestureUpdate", SimpleGestureEvent.ROTATION_COUNTERCLOCKWISE, -13.0, 0);
e("MozRotateGestureUpdate", SimpleGestureEvent.ROTATION_CLOCKWISE, 13.0, 0);
e("MozRotateGesture", SimpleGestureEvent.ROTATION_CLOCKWISE, 33.0, 0);
// Tap and presstap gesture events
e("MozTapGesture", 0, 0.0, 0);
e("MozPressTapGesture", 0, 0.0, 0);
// event.shiftKey
let modifier = Components.interfaces.nsIDOMNSEvent.SHIFT_MASK;
e("MozSwipeGesture", SimpleGestureEvent.DIRECTION_RIGHT, 0, modifier);
// event.metaKey
modifier = Components.interfaces.nsIDOMNSEvent.META_MASK;
e("MozSwipeGesture", SimpleGestureEvent.DIRECTION_RIGHT, 0, modifier);
// event.altKey
modifier = Components.interfaces.nsIDOMNSEvent.ALT_MASK;
e("MozSwipeGesture", SimpleGestureEvent.DIRECTION_RIGHT, 0, modifier);
// event.ctrlKey
modifier = Components.interfaces.nsIDOMNSEvent.CONTROL_MASK;
e("MozSwipeGesture", SimpleGestureEvent.DIRECTION_RIGHT, 0, modifier);
}
function test_eventDispatchListener(evt)
{
test_eventCount++;
evt.stopPropagation();
}
function test_helper2(type, direction, delta, altKey, ctrlKey, shiftKey, metaKey)
{
let event = null;
let successful;
try {
event = document.createEvent("SimpleGestureEvent");
successful = true;
}
catch (ex) {
successful = false;
}
ok(successful, "Unable to create SimpleGestureEvent");
try {
event.initSimpleGestureEvent(type, true, true, window, 1,
10, 10, 10, 10,
ctrlKey, altKey, shiftKey, metaKey,
1, window,
direction, delta);
successful = true;
}
catch (ex) {
successful = false;
}
ok(successful, "event.initSimpleGestureEvent should not fail");
// Make sure the event fields match the expected values
is(event.type, type, "Mismatch on evt.type");
is(event.direction, direction, "Mismatch on evt.direction");
is(event.delta, delta, "Mismatch on evt.delta");
is(event.altKey, altKey, "Mismatch on evt.altKey");
is(event.ctrlKey, ctrlKey, "Mismatch on evt.ctrlKey");
is(event.shiftKey, shiftKey, "Mismatch on evt.shiftKey");
is(event.metaKey, metaKey, "Mismatch on evt.metaKey");
is(event.view, window, "Mismatch on evt.view");
is(event.detail, 1, "Mismatch on evt.detail");
is(event.clientX, 10, "Mismatch on evt.clientX");
is(event.clientY, 10, "Mismatch on evt.clientY");
is(event.screenX, 10, "Mismatch on evt.screenX");
is(event.screenY, 10, "Mismatch on evt.screenY");
is(event.button, 1, "Mismatch on evt.button");
is(event.relatedTarget, window, "Mismatch on evt.relatedTarget");
// Test event dispatch
let expectedEventCount = test_eventCount + 1;
document.addEventListener(type, test_eventDispatchListener, true);
document.dispatchEvent(event);
document.removeEventListener(type, test_eventDispatchListener, true);
is(expectedEventCount, test_eventCount, "Dispatched event was never received by listener");
}
function test_TestEventCreation()
{
// Event creation
test_helper2("MozMagnifyGesture", SimpleGestureEvent.DIRECTION_RIGHT, 20.0,
true, false, true, false);
test_helper2("MozMagnifyGesture", SimpleGestureEvent.DIRECTION_LEFT, -20.0,
false, true, false, true);
}
function test_EnsureConstantsAreDisjoint()
{
let up = SimpleGestureEvent.DIRECTION_UP;
let down = SimpleGestureEvent.DIRECTION_DOWN;
let left = SimpleGestureEvent.DIRECTION_LEFT;
let right = SimpleGestureEvent.DIRECTION_RIGHT;
let clockwise = SimpleGestureEvent.ROTATION_CLOCKWISE;
let cclockwise = SimpleGestureEvent.ROTATION_COUNTERCLOCKWISE;
ok(up ^ down, "DIRECTION_UP and DIRECTION_DOWN are not bitwise disjoint");
ok(up ^ left, "DIRECTION_UP and DIRECTION_LEFT are not bitwise disjoint");
ok(up ^ right, "DIRECTION_UP and DIRECTION_RIGHT are not bitwise disjoint");
ok(down ^ left, "DIRECTION_DOWN and DIRECTION_LEFT are not bitwise disjoint");
ok(down ^ right, "DIRECTION_DOWN and DIRECTION_RIGHT are not bitwise disjoint");
ok(left ^ right, "DIRECTION_LEFT and DIRECTION_RIGHT are not bitwise disjoint");
ok(clockwise ^ cclockwise, "ROTATION_CLOCKWISE and ROTATION_COUNTERCLOCKWISE are not bitwise disjoint");
}
// Helper for test of latched event processing. Emits the actual
// gesture events to test whether the commands associated with the
// gesture will only trigger once for each direction of movement.
function test_emitLatchedEvents(eventPrefix, initialDelta, cmd)
{
let cumulativeDelta = 0;
let isIncreasing = initialDelta > 0;
let expect = {};
// Reset the call counters and initialize expected values
for (let dir in cmd)
cmd[dir].callCount = expect[dir] = 0;
let check = function(aDir, aMsg) ok(cmd[aDir].callCount == expect[aDir], aMsg);
let checkBoth = function(aNum, aInc, aDec) {
let prefix = "Step " + aNum + ": ";
check("inc", prefix + aInc);
check("dec", prefix + aDec);
};
// Send the "Start" event.
test_utils.sendSimpleGestureEvent(eventPrefix + "Start", 0, 0, 0, initialDelta, 0);
cumulativeDelta += initialDelta;
if (isIncreasing) {
expect.inc++;
checkBoth(1, "Increasing command was not triggered", "Decreasing command was triggered");
} else {
expect.dec++;
checkBoth(1, "Increasing command was triggered", "Decreasing command was not triggered");
}
// Send random values in the same direction and ensure neither
// command triggers.
for (let i = 0; i < 5; i++) {
let delta = Math.random() * (isIncreasing ? 100 : -100);
test_utils.sendSimpleGestureEvent(eventPrefix + "Update", 0, 0, 0, delta, 0);
cumulativeDelta += delta;
checkBoth(2, "Increasing command was triggered", "Decreasing command was triggered");
}
// Now go back in the opposite direction.
test_utils.sendSimpleGestureEvent(eventPrefix + "Update", 0, 0, 0,
- initialDelta, 0);
cumulativeDelta += - initialDelta;
if (isIncreasing) {
expect.dec++;
checkBoth(3, "Increasing command was triggered", "Decreasing command was not triggered");
} else {
expect.inc++;
checkBoth(3, "Increasing command was not triggered", "Decreasing command was triggered");
}
// Send random values in the opposite direction and ensure neither
// command triggers.
for (let i = 0; i < 5; i++) {
let delta = Math.random() * (isIncreasing ? -100 : 100);
test_utils.sendSimpleGestureEvent(eventPrefix + "Update", 0, 0, 0, delta, 0);
cumulativeDelta += delta;
checkBoth(4, "Increasing command was triggered", "Decreasing command was triggered");
}
// Go back to the original direction. The original command should trigger.
test_utils.sendSimpleGestureEvent(eventPrefix + "Update", 0, 0, 0,
initialDelta, 0);
cumulativeDelta += initialDelta;
if (isIncreasing) {
expect.inc++;
checkBoth(5, "Increasing command was not triggered", "Decreasing command was triggered");
} else {
expect.dec++;
checkBoth(5, "Increasing command was triggered", "Decreasing command was not triggered");
}
// Send the wrap-up event. No commands should be triggered.
test_utils.sendSimpleGestureEvent(eventPrefix, 0, 0, 0, cumulativeDelta, 0);
checkBoth(6, "Increasing command was triggered", "Decreasing command was triggered");
}
function test_addCommand(prefName, id)
{
let cmd = test_commandset.appendChild(document.createElement("command"));
cmd.setAttribute("id", id);
cmd.setAttribute("oncommand", "this.callCount++;");
cmd.origPrefName = prefName;
cmd.origPrefValue = gPrefService.getCharPref(prefName);
gPrefService.setCharPref(prefName, id);
return cmd;
}
function test_removeCommand(cmd)
{
gPrefService.setCharPref(cmd.origPrefName, cmd.origPrefValue);
test_commandset.removeChild(cmd);
}
// Test whether latched events are only called once per direction of motion.
function test_latchedGesture(gesture, inc, dec, eventPrefix)
{
let branch = test_prefBranch + gesture + ".";
// Put the gesture into latched mode.
let oldLatchedValue = gPrefService.getBoolPref(branch + "latched");
gPrefService.setBoolPref(branch + "latched", true);
// Install the test commands for increasing and decreasing motion.
let cmd = {
inc: test_addCommand(branch + inc, "test:incMotion"),
dec: test_addCommand(branch + dec, "test:decMotion"),
};
// Test the gestures in each direction.
test_emitLatchedEvents(eventPrefix, 500, cmd);
test_emitLatchedEvents(eventPrefix, -500, cmd);
// Restore the gesture to its original configuration.
gPrefService.setBoolPref(branch + "latched", oldLatchedValue);
for (let dir in cmd)
test_removeCommand(cmd[dir]);
}
// Test whether non-latched events are triggered upon sufficient motion.
function test_thresholdGesture(gesture, inc, dec, eventPrefix)
{
let branch = test_prefBranch + gesture + ".";
// Disable latched mode for this gesture.
let oldLatchedValue = gPrefService.getBoolPref(branch + "latched");
gPrefService.setBoolPref(branch + "latched", false);
// Set the triggering threshold value to 50.
let oldThresholdValue = gPrefService.getIntPref(branch + "threshold");
gPrefService.setIntPref(branch + "threshold", 50);
// Install the test commands for increasing and decreasing motion.
let cmdInc = test_addCommand(branch + inc, "test:incMotion");
let cmdDec = test_addCommand(branch + dec, "test:decMotion");
// Send the start event but stop short of triggering threshold.
cmdInc.callCount = cmdDec.callCount = 0;
test_utils.sendSimpleGestureEvent(eventPrefix + "Start", 0, 0, 0, 49.5, 0);
ok(cmdInc.callCount == 0, "Increasing command was triggered");
ok(cmdDec.callCount == 0, "Decreasing command was triggered");
// Now trigger the threshold.
cmdInc.callCount = cmdDec.callCount = 0;
test_utils.sendSimpleGestureEvent(eventPrefix + "Update", 0, 0, 0, 1, 0);
ok(cmdInc.callCount == 1, "Increasing command was not triggered");
ok(cmdDec.callCount == 0, "Decreasing command was triggered");
// The tracking counter should go to zero. Go back the other way and
// stop short of triggering the threshold.
cmdInc.callCount = cmdDec.callCount = 0;
test_utils.sendSimpleGestureEvent(eventPrefix + "Update", 0, 0, 0, -49.5, 0);
ok(cmdInc.callCount == 0, "Increasing command was triggered");
ok(cmdDec.callCount == 0, "Decreasing command was triggered");
// Now cross the threshold and trigger the decreasing command.
cmdInc.callCount = cmdDec.callCount = 0;
test_utils.sendSimpleGestureEvent(eventPrefix + "Update", 0, 0, 0, -1.5, 0);
ok(cmdInc.callCount == 0, "Increasing command was triggered");
ok(cmdDec.callCount == 1, "Decreasing command was not triggered");
// Send the wrap-up event. No commands should trigger.
cmdInc.callCount = cmdDec.callCount = 0;
test_utils.sendSimpleGestureEvent(eventPrefix, 0, 0, 0, -0.5, 0);
ok(cmdInc.callCount == 0, "Increasing command was triggered");
ok(cmdDec.callCount == 0, "Decreasing command was triggered");
// Restore the gesture to its original configuration.
gPrefService.setBoolPref(branch + "latched", oldLatchedValue);
gPrefService.setIntPref(branch + "threshold", oldThresholdValue);
test_removeCommand(cmdInc);
test_removeCommand(cmdDec);
}
function test_swipeGestures()
{
// easier to type names for the direction constants
let up = SimpleGestureEvent.DIRECTION_UP;
let down = SimpleGestureEvent.DIRECTION_DOWN;
let left = SimpleGestureEvent.DIRECTION_LEFT;
let right = SimpleGestureEvent.DIRECTION_RIGHT;
let branch = test_prefBranch + "swipe.";
// Install the test commands for the swipe gestures.
let cmdUp = test_addCommand(branch + "up", "test:swipeUp");
let cmdDown = test_addCommand(branch + "down", "test:swipeDown");
let cmdLeft = test_addCommand(branch + "left", "test:swipeLeft");
let cmdRight = test_addCommand(branch + "right", "test:swipeRight");
function resetCounts() {
cmdUp.callCount = 0;
cmdDown.callCount = 0;
cmdLeft.callCount = 0;
cmdRight.callCount = 0;
}
// UP
resetCounts();
test_utils.sendSimpleGestureEvent("MozSwipeGesture", 0, 0, up, 0, 0);
ok(cmdUp.callCount == 1, "Step 1: Up command was not triggered");
ok(cmdDown.callCount == 0, "Step 1: Down command was triggered");
ok(cmdLeft.callCount == 0, "Step 1: Left command was triggered");
ok(cmdRight.callCount == 0, "Step 1: Right command was triggered");
// DOWN
resetCounts();
test_utils.sendSimpleGestureEvent("MozSwipeGesture", 0, 0, down, 0, 0);
ok(cmdUp.callCount == 0, "Step 2: Up command was triggered");
ok(cmdDown.callCount == 1, "Step 2: Down command was not triggered");
ok(cmdLeft.callCount == 0, "Step 2: Left command was triggered");
ok(cmdRight.callCount == 0, "Step 2: Right command was triggered");
// LEFT
resetCounts();
test_utils.sendSimpleGestureEvent("MozSwipeGesture", 0, 0, left, 0, 0);
ok(cmdUp.callCount == 0, "Step 3: Up command was triggered");
ok(cmdDown.callCount == 0, "Step 3: Down command was triggered");
ok(cmdLeft.callCount == 1, "Step 3: Left command was not triggered");
ok(cmdRight.callCount == 0, "Step 3: Right command was triggered");
// RIGHT
resetCounts();
test_utils.sendSimpleGestureEvent("MozSwipeGesture", 0, 0, right, 0, 0);
ok(cmdUp.callCount == 0, "Step 4: Up command was triggered");
ok(cmdDown.callCount == 0, "Step 4: Down command was triggered");
ok(cmdLeft.callCount == 0, "Step 4: Left command was triggered");
ok(cmdRight.callCount == 1, "Step 4: Right command was not triggered");
// Make sure combinations do not trigger events.
let combos = [ up | left, up | right, down | left, down | right];
for (let i = 0; i < combos.length; i++) {
resetCounts();
test_utils.sendSimpleGestureEvent("MozSwipeGesture", 0, 0, combos[i], 0, 0);
ok(cmdUp.callCount == 0, "Step 5-"+i+": Up command was triggered");
ok(cmdDown.callCount == 0, "Step 5-"+i+": Down command was triggered");
ok(cmdLeft.callCount == 0, "Step 5-"+i+": Left command was triggered");
ok(cmdRight.callCount == 0, "Step 5-"+i+": Right command was triggered");
}
// Remove the test commands.
test_removeCommand(cmdUp);
test_removeCommand(cmdDown);
test_removeCommand(cmdLeft);
test_removeCommand(cmdRight);
}