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openseadragon/test/modules/events.js

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/* global QUnit, $, TouchUtil, Util, testLog */
(function () {
var viewer;
QUnit.module( 'Events', {
beforeEach: function () {
$( '<div id="eventsexample"></div>' ).appendTo( "#qunit-fixture" );
testLog.reset();
// eslint-disable-next-line new-cap
viewer = OpenSeadragon( {
id: 'eventsexample',
prefixUrl: '/build/openseadragon/images/',
springStiffness: 100 // Faster animation = faster tests
} );
},
afterEach: function () {
if (viewer){
viewer.destroy();
}
viewer = null;
}
} );
// ----------
QUnit.test( 'MouseTracker: mouse gestures', function (assert) {
var done = assert.async();
var $canvas = $( viewer.element ).find( '.openseadragon-canvas' ).not( '.navigator .openseadragon-canvas' ),
simEvent = {},
offset = $canvas.offset(),
tracker = viewer.innerTracker,
origEnterHandler,
origLeaveHandler,
origPressHandler,
origReleaseHandler,
origNonPrimaryPressHandler,
origNonPrimaryReleaseHandler,
origMoveHandler,
origClickHandler,
origDblClickHandler,
origDragHandler,
origDragEndHandler,
enterCount,
leaveCount,
pressCount,
releaseCount,
rightPressCount,
rightReleaseCount,
middlePressCount,
middleReleaseCount,
moveCount,
clickCount,
dblClickCount,
dragCount,
dragEndCount,
insideElementPressed,
insideElementReleased,
quickClick,
speed,
direction;
var hookViewerHandlers = function () {
origEnterHandler = tracker.enterHandler;
tracker.enterHandler = function ( event ) {
enterCount++;
if (origEnterHandler) {
return origEnterHandler( event );
} else {
return true;
}
};
origLeaveHandler = tracker.leaveHandler;
tracker.leaveHandler = function ( event ) {
leaveCount++;
if (origLeaveHandler) {
return origLeaveHandler( event );
} else {
return true;
}
};
origPressHandler = tracker.pressHandler;
tracker.pressHandler = function ( event ) {
pressCount++;
if (origPressHandler) {
return origPressHandler( event );
} else {
return true;
}
};
origReleaseHandler = tracker.releaseHandler;
tracker.releaseHandler = function ( event ) {
releaseCount++;
insideElementPressed = event.insideElementPressed;
insideElementReleased = event.insideElementReleased;
if (origReleaseHandler) {
return origReleaseHandler( event );
} else {
return true;
}
};
origNonPrimaryPressHandler = tracker.nonPrimaryPressHandler;
tracker.nonPrimaryPressHandler = function ( event ) {
if (event.button === 0) {
pressCount++;
} else if (event.button === 1) {
middlePressCount++;
} else if (event.button === 2) {
rightPressCount++;
}
if (origNonPrimaryPressHandler) {
return origNonPrimaryPressHandler( event );
} else {
return true;
}
};
origNonPrimaryReleaseHandler = tracker.nonPrimaryReleaseHandler;
tracker.nonPrimaryReleaseHandler = function ( event ) {
if (event.button === 0) {
releaseCount++;
} else if (event.button === 1) {
middleReleaseCount++;
} else if (event.button === 2) {
rightReleaseCount++;
}
if (origNonPrimaryReleaseHandler) {
return origNonPrimaryReleaseHandler( event );
} else {
return true;
}
};
origMoveHandler = tracker.moveHandler;
tracker.moveHandler = function ( event ) {
moveCount++;
if (origMoveHandler) {
return origMoveHandler( event );
} else {
return true;
}
};
origClickHandler = tracker.clickHandler;
tracker.clickHandler = function ( event ) {
clickCount++;
quickClick = event.quick;
if (origClickHandler) {
return origClickHandler( event );
} else {
return true;
}
};
origDblClickHandler = tracker.dblClickHandler;
tracker.dblClickHandler = function ( event ) {
dblClickCount++;
if (origDblClickHandler) {
return origDblClickHandler( event );
} else {
return true;
}
};
origDragHandler = tracker.dragHandler;
tracker.dragHandler = function ( event ) {
dragCount++;
if (origDragHandler) {
return origDragHandler( event );
} else {
return true;
}
};
origDragEndHandler = tracker.dragEndHandler;
tracker.dragEndHandler = function ( event ) {
dragEndCount++;
speed = event.speed;
direction = event.direction;
if (origDragEndHandler) {
return origDragEndHandler( event );
} else {
return true;
}
};
};
var unhookViewerHandlers = function () {
tracker.enterHandler = origEnterHandler;
tracker.leaveHandler = origLeaveHandler;
tracker.pressHandler = origPressHandler;
tracker.releaseHandler = origReleaseHandler;
tracker.moveHandler = origMoveHandler;
tracker.clickHandler = origClickHandler;
tracker.dblClickHandler = origDblClickHandler;
tracker.dragHandler = origDragHandler;
tracker.dragEndHandler = origDragEndHandler;
};
var simulateEnter = function (x, y) {
simEvent.clientX = offset.left + x;
simEvent.clientY = offset.top + y;
$canvas.simulate( 'mouseenter', simEvent );
};
var simulateLeave = function (x, y) {
simEvent.clientX = offset.left + x;
simEvent.clientY = offset.top + y;
simEvent.relatedTarget = document.body;
$canvas.simulate( 'mouseleave', simEvent );
};
//var simulateLeaveFrame = function (x, y) {
// simEvent.clientX = offset.left + x;
// simEvent.clientY = offset.top + y;
// simEvent.relatedTarget = document.getElementsByTagName("html")[0];
// $canvas.simulate( 'mouseleave', simEvent );
//};
var simulateDown = function (x, y) {
simEvent.button = 0;
simEvent.clientX = offset.left + x;
simEvent.clientY = offset.top + y;
$canvas.simulate( 'mousedown', simEvent );
};
var simulateUp = function (x, y) {
simEvent.button = 0;
simEvent.clientX = offset.left + x;
simEvent.clientY = offset.top + y;
$canvas.simulate( 'mouseup', simEvent );
};
var simulateNonPrimaryDown = function (x, y, button) {
simEvent.button = button;
simEvent.clientX = offset.left + x;
simEvent.clientY = offset.top + y;
$canvas.simulate( 'mousedown', simEvent );
};
var simulateNonPrimaryUp = function (x, y, button) {
simEvent.button = button;
simEvent.clientX = offset.left + x;
simEvent.clientY = offset.top + y;
$canvas.simulate( 'mouseup', simEvent );
};
var simulateMove = function (dX, dY, count) {
var i;
for ( i = 0; i < count; i++ ) {
simEvent.clientX += dX;
simEvent.clientY += dY;
$canvas.simulate( 'mousemove', simEvent );
}
};
var resetForAssessment = function () {
simEvent = {
button: 0,
clientX: offset.left,
clientY: offset.top
};
enterCount = 0;
leaveCount = 0;
pressCount = 0;
releaseCount = 0;
rightPressCount = 0;
rightReleaseCount = 0;
middlePressCount = 0;
middleReleaseCount = 0;
moveCount = 0;
clickCount = 0;
dblClickCount = 0;
dragCount = 0;
dragEndCount = 0;
insideElementPressed = false;
insideElementReleased = false;
quickClick = false;
speed = 0;
direction = 2 * Math.PI;
};
var assessGestureExpectations = function (expected) {
var pointersList = tracker.getActivePointersListByType('mouse');
if ('enterCount' in expected) {
assert.equal( enterCount, expected.enterCount, expected.description + 'enterHandler event count matches expected (' + expected.enterCount + ')' );
}
if ('leaveCount' in expected) {
assert.equal( leaveCount, expected.leaveCount, expected.description + 'leaveHandler event count matches expected (' + expected.leaveCount + ')' );
}
if ('pressCount' in expected) {
assert.equal( pressCount, expected.pressCount, expected.description + 'pressHandler event count matches expected (' + expected.pressCount + ')' );
}
if ('releaseCount' in expected) {
assert.equal( releaseCount, expected.releaseCount, expected.description + 'releaseHandler event count matches expected (' + expected.releaseCount + ')' );
}
if ('rightPressCount' in expected) {
assert.equal( rightPressCount, expected.rightPressCount, expected.description + 'nonPrimaryPressHandler event count (secondary/right button) matches expected (' + expected.rightPressCount + ')' );
}
if ('rightReleaseCount' in expected) {
assert.equal( rightReleaseCount, expected.rightReleaseCount, expected.description + 'nonPrimaryReleaseHandler event count (secondary/right button) matches expected (' + expected.rightReleaseCount + ')' );
}
if ('middlePressCount' in expected) {
assert.equal( middlePressCount, expected.middlePressCount, expected.description + 'nonPrimaryPressHandler event count (aux/middle button) matches expected (' + expected.middlePressCount + ')' );
}
if ('middleReleaseCount' in expected) {
assert.equal( middleReleaseCount, expected.middleReleaseCount, expected.description + 'nonPrimaryReleaseHandler event count (aux/middle button) matches expected (' + expected.middleReleaseCount + ')' );
}
if ('moveCount' in expected) {
assert.equal( moveCount, expected.moveCount, expected.description + 'moveHandler event count matches expected (' + expected.moveCount + ')' );
}
if ('clickCount' in expected) {
assert.equal( clickCount, expected.clickCount, expected.description + 'clickHandler event count matches expected (' + expected.clickCount + ')' );
}
if ('dblClickCount' in expected) {
assert.equal( dblClickCount, expected.dblClickCount, expected.description + 'dblClickHandler event count matches expected (' + expected.dblClickCount + ')' );
}
if ('dragCount' in expected) {
assert.equal( dragCount, expected.dragCount, expected.description + 'dragHandler event count matches expected (' + expected.dragCount + ')' );
}
if ('dragEndCount' in expected) {
assert.equal( dragEndCount, expected.dragEndCount, expected.description + 'dragEndHandler event count matches expected (' + expected.dragEndCount + ')' );
}
if ('insideElementPressed' in expected) {
assert.equal( insideElementPressed, expected.insideElementPressed, expected.description + 'releaseHandler event.insideElementPressed matches expected (' + expected.insideElementPressed + ')' );
}
if ('insideElementReleased' in expected) {
assert.equal( insideElementReleased, expected.insideElementReleased, expected.description + 'releaseHandler event.insideElementReleased matches expected (' + expected.insideElementReleased + ')' );
}
if ('contacts' in expected) {
assert.equal( pointersList.contacts, expected.contacts, expected.description + 'Remaining pointer contact count matches expected (' + expected.contacts + ')' );
}
if ('trackedPointers' in expected) {
assert.equal( pointersList.getLength(), expected.trackedPointers, expected.description + 'Remaining tracked pointer count matches expected (' + expected.trackedPointers + ')' );
}
if ('quickClick' in expected) {
assert.equal( quickClick, expected.quickClick, expected.description + 'clickHandler event.quick matches expected (' + expected.quickClick + ')' );
}
if ('speed' in expected) {
Util.assessNumericValue(expected.speed, speed, 1.0, expected.description + 'Drag speed ');
}
if ('direction' in expected) {
Util.assessNumericValue(expected.direction, direction, 0.2, expected.description + 'Drag direction ');
}
};
var onOpen = function ( event ) {
viewer.removeHandler( 'open', onOpen );
hookViewerHandlers();
// enter-move-release (release in tracked element, press in unknown element)
// (Note we also test to see if the pointer is still being tracked by not simulating a leave event until after assessment)
resetForAssessment();
simulateEnter(0, 0);
simulateMove(1, 1, 10);
simulateMove(-1, -1, 10);
simulateUp(0, 0);
assessGestureExpectations({
description: 'enter-move-release (release in tracked element, press in unknown element): ',
enterCount: 1,
leaveCount: 0,
pressCount: 0,
releaseCount: 1,
rightPressCount: 0,
rightReleaseCount: 0,
middlePressCount: 0,
middleReleaseCount: 0,
moveCount: 20,
clickCount: 0,
dblClickCount: 0,
dragCount: 0,
dragEndCount: 0,
insideElementPressed: false,
insideElementReleased: true,
contacts: 0,
trackedPointers: 1
//quickClick: false
});
simulateLeave(-1, -1); // flush tracked pointer
// enter-move-leave (fly-over)
resetForAssessment();
simulateEnter(0, 0);
simulateMove(1, 1, 10);
simulateMove(-1, -1, 10);
simulateLeave(-1, -1);
assessGestureExpectations({
description: 'enter-move-leave (fly-over): ',
enterCount: 1,
leaveCount: 1,
pressCount: 0,
releaseCount: 0,
rightPressCount: 0,
rightReleaseCount: 0,
middlePressCount: 0,
middleReleaseCount: 0,
moveCount: 20,
clickCount: 0,
dblClickCount: 0,
dragCount: 0,
dragEndCount: 0,
//insideElementPressed: false,
//insideElementReleased: false,
contacts: 0,
trackedPointers: 0
//quickClick: false
});
// enter-press-release-press-release-leave (primary/left double click)
resetForAssessment();
simulateEnter(0, 0);
simulateDown(0, 0);
simulateUp(0, 0);
simulateDown(0, 0);
simulateUp(0, 0);
simulateLeave(-1, -1);
assessGestureExpectations({
description: 'enter-press-release-press-release-leave (primary/left double click): ',
enterCount: 1,
leaveCount: 1,
pressCount: 2,
releaseCount: 2,
rightPressCount: 0,
rightReleaseCount: 0,
middlePressCount: 0,
middleReleaseCount: 0,
moveCount: 0,
clickCount: 2,
dblClickCount: 1,
dragCount: 0,
dragEndCount: 0, // drag-end event no longer fired if pointer didn't move (#2064)
insideElementPressed: true,
insideElementReleased: true,
contacts: 0,
trackedPointers: 0
//quickClick: true
});
// enter-press-release-leave (primary/left click)
resetForAssessment();
simulateEnter(0, 0);
simulateDown(0, 0);
simulateUp(0, 0);
simulateLeave(-1, -1);
assessGestureExpectations({
description: 'enter-press-release-leave (primary/left click): ',
enterCount: 1,
leaveCount: 1,
pressCount: 1,
releaseCount: 1,
rightPressCount: 0,
rightReleaseCount: 0,
middlePressCount: 0,
middleReleaseCount: 0,
moveCount: 0,
clickCount: 1,
dblClickCount: 0,
dragCount: 0,
dragEndCount: 0, // drag-end event no longer fired if pointer didn't move (#2064)
insideElementPressed: true,
insideElementReleased: true,
contacts: 0,
trackedPointers: 0,
quickClick: true
});
// enter-nonprimarypress-nonprimaryrelease-leave (secondary/right click)
resetForAssessment();
simulateEnter(0, 0);
simulateNonPrimaryDown(0, 0, 2);
simulateNonPrimaryUp(0, 0, 2);
simulateLeave(-1, -1);
assessGestureExpectations({
description: 'enter-nonprimarypress-nonprimaryrelease-leave (secondary/right click): ',
enterCount: 1,
leaveCount: 1,
pressCount: 0,
releaseCount: 0,
rightPressCount: 1,
rightReleaseCount: 1,
middlePressCount: 0,
middleReleaseCount: 0,
moveCount: 0,
clickCount: 0,
dblClickCount: 0,
dragCount: 0,
dragEndCount: 0,
//insideElementPressed: true,
//insideElementReleased: true,
contacts: 0,
trackedPointers: 0,
//quickClick: true
});
// enter-nonprimarypress-nonprimaryrelease-leave (aux/middle click)
resetForAssessment();
simulateEnter(0, 0);
simulateNonPrimaryDown(0, 0, 1);
simulateNonPrimaryUp(0, 0, 1);
simulateLeave(-1, -1);
assessGestureExpectations({
description: 'enter-nonprimarypress-nonprimaryrelease-leave (aux/middle click): ',
enterCount: 1,
leaveCount: 1,
pressCount: 0,
releaseCount: 0,
rightPressCount: 0,
rightReleaseCount: 0,
middlePressCount: 1,
middleReleaseCount: 1,
moveCount: 0,
clickCount: 0,
dblClickCount: 0,
dragCount: 0,
dragEndCount: 0,
//insideElementPressed: true,
//insideElementReleased: true,
contacts: 0,
trackedPointers: 0,
//quickClick: true
});
// enter-nonprimarypress-move-nonprimaryrelease-move-leave (secondary/right button drag, release in tracked element)
resetForAssessment();
simulateEnter(0, 0);
simulateNonPrimaryDown(0, 0, 2);
simulateMove(1, 1, 100);
simulateNonPrimaryUp(10, 10, 2);
simulateMove(-1, -1, 100);
simulateLeave(-1, -1);
assessGestureExpectations({
description: 'enter-nonprimarypress-move-nonprimaryrelease-move-leave (secondary/right button drag, release in tracked element): ',
enterCount: 1,
leaveCount: 1,
pressCount: 0,
releaseCount: 0,
rightPressCount: 1,
rightReleaseCount: 1,
middlePressCount: 0,
middleReleaseCount: 0,
moveCount: 200,
clickCount: 0,
dblClickCount: 0,
dragCount: 0,
dragEndCount: 0,
//insideElementPressed: true,
//insideElementReleased: true,
contacts: 0,
trackedPointers: 0,
//quickClick: false
});
// enter-press-move-release-move-leave (drag, release in tracked element)
resetForAssessment();
simulateEnter(0, 0);
simulateDown(0, 0);
simulateMove(1, 1, 100);
simulateUp(10, 10);
simulateMove(-1, -1, 100);
simulateLeave(-1, -1);
assessGestureExpectations({
description: 'enter-press-move-release-move-leave (drag, release in tracked element): ',
enterCount: 1,
leaveCount: 1,
pressCount: 1,
releaseCount: 1,
rightPressCount: 0,
rightReleaseCount: 0,
middlePressCount: 0,
middleReleaseCount: 0,
moveCount: 200,
clickCount: 1,
dblClickCount: 0,
dragCount: 100,
dragEndCount: 1,
insideElementPressed: true,
insideElementReleased: true,
contacts: 0,
trackedPointers: 0,
quickClick: false
});
// enter-press-move-leave-move-release (drag, release outside tracked element)
resetForAssessment();
simulateEnter(0, 0);
simulateDown(0, 0);
simulateMove(1, 1, 5);
simulateMove(-1, -1, 5);
simulateLeave(-1, -1);
simulateMove(-1, -1, 5);
simulateUp(-5, -5);
assessGestureExpectations({
description: 'enter-press-move-leave-move-release (drag, release outside tracked element): ',
enterCount: 1,
leaveCount: 1,
pressCount: 1,
releaseCount: 1,
rightPressCount: 0,
rightReleaseCount: 0,
middlePressCount: 0,
middleReleaseCount: 0,
moveCount: 15,
clickCount: 0,
dblClickCount: 0,
dragCount: 15,
dragEndCount: 1,
insideElementPressed: true,
insideElementReleased: false,
contacts: 0,
trackedPointers: 0,
quickClick: false
});
//// enter-press-move-leave-move-release-outside (drag, release outside iframe)
//resetForAssessment();
//simulateEnter(0, 0);
//simulateDown(0, 0);
//simulateMove(1, 1, 5);
//simulateMove(-1, -1, 5);
//simulateLeaveFrame(-1, -1);
//// you don't actually receive the mouseup if you mouseup outside of the document
//assessGestureExpectations({
// description: 'enter-press-move-leave-move-release-outside (drag, release outside iframe): ',
// enterCount: 1,
// leaveCount: 1,
// pressCount: 1,
// releaseCount: 1,
// rightPressCount: 0,
// rightReleaseCount: 0,
// middlePressCount: 0,
// middleReleaseCount: 0,
// moveCount: 10,
// clickCount: 0,
// dblClickCount: 0,
// dragCount: 10,
// dragEndCount: 1,
// insideElementPressed: true,
// insideElementReleased: false,
// contacts: 0,
// trackedPointers: 0,
// quickClick: false
//});
unhookViewerHandlers();
viewer.close();
done();
};
viewer.addHandler( 'open', onOpen );
viewer.open( '/test/data/testpattern.dzi' );
} );
// ----------
if ('TouchEvent' in window) {
QUnit.test( 'MouseTracker: touch events', function (assert) {
var done = assert.async();
var tracker = viewer.innerTracker,
touches;
var reset = function () {
touches = [];
TouchUtil.reset();
};
var assessTouchExpectations = function ( expected ) {
var pointersList = tracker.getActivePointersListByType( 'touch' );
if ('captureCount' in expected) {
assert.equal( pointersList.captureCount, expected.captureCount, expected.description + 'Pointer capture count matches expected (' + expected.captureCount + ')' );
}
if ('contacts' in expected) {
assert.equal( pointersList.contacts, expected.contacts, expected.description + 'Pointer contact count matches expected (' + expected.contacts + ')' );
}
if ('trackedPointers' in expected) {
assert.equal( pointersList.getLength(), expected.trackedPointers, expected.description + 'Tracked pointer count matches expected (' + expected.trackedPointers + ')' );
}
};
var onOpen = function ( event ) {
viewer.removeHandler( 'open', onOpen );
TouchUtil.initTracker( tracker );
// start-end-end (multi-touch start event)
reset();
touches = TouchUtil.start( [0, 0], [20, 20] );
assessTouchExpectations({
description: 'start-end-end (multi-touch start event) [capture]: ',
captureCount: 2,
contacts: 2,
trackedPointers: 2
});
TouchUtil.end( touches[1] );
TouchUtil.end( touches[0] );
assessTouchExpectations({
description: 'start-end-end (multi-touch start event) [release]: ',
captureCount: 0,
contacts: 0,
trackedPointers: 0
});
// start-start-end (multi-touch end event)
reset();
touches.push( TouchUtil.start([0, 0]) );
touches.push( TouchUtil.start([20, 20]) );
assessTouchExpectations({
description: 'start-start-end (multi-touch end event) [capture]: ',
captureCount: 2,
contacts: 2,
trackedPointers: 2
});
TouchUtil.end( touches );
assessTouchExpectations({
description: 'start-start-end (multi-touch end event) [release]: ',
captureCount: 0,
contacts: 0,
trackedPointers: 0
});
TouchUtil.resetTracker( tracker );
viewer.close();
done();
};
viewer.addHandler( 'open', onOpen );
viewer.open( '/test/data/testpattern.dzi' );
} );
}
// ----------
QUnit.test('Viewer: preventDefaultAction', function(assert) {
var done = assert.async();
var $canvas = $(viewer.element).find('.openseadragon-canvas')
.not('.navigator .openseadragon-canvas');
var epsilon = 0.0000001;
function simulateClickAndDrag() {
$canvas.simulate('focus');
// Drag to pan
Util.simulateViewerClickWithDrag( {
viewer: viewer,
widthFactor: 0.25,
heightFactor: 0.25,
dragCount: 10,
dragDx: 1,
dragDy: 1
} );
// Click to zoom
Util.simulateViewerClickWithDrag( {
viewer: viewer,
widthFactor: 0.25,
heightFactor: 0.25,
dragCount: 0,
dragDx: 0,
dragDy: 0
} );
$canvas.simulate('blur');
}
var onOpen = function() {
viewer.removeHandler('open', onOpen);
// Hook viewer events to set preventDefaultAction
var onCanvasClick = function (event) {
event.preventDefaultAction = true;
};
var onCanvasDrag = function (event) {
event.preventDefaultAction = true;
};
viewer.addHandler("canvas-click", onCanvasClick);
viewer.addHandler("canvas-drag", onCanvasDrag);
var originalZoom = viewer.viewport.getZoom();
var originalBounds = viewer.viewport.getBounds();
simulateClickAndDrag();
var zoom = viewer.viewport.getZoom();
var bounds = viewer.viewport.getBounds();
Util.assessNumericValue(assert, zoom, originalZoom, epsilon,
"Zoom should be prevented");
Util.assertRectangleEquals(assert, bounds, originalBounds, epsilon,
'Pan should be prevented');
viewer.removeHandler("canvas-click", onCanvasClick);
viewer.removeHandler("canvas-drag", onCanvasDrag);
simulateClickAndDrag();
zoom = viewer.viewport.getZoom();
bounds = viewer.viewport.getBounds();
Util.assessNumericValue(assert, zoom, 0.002, epsilon,
"Zoom should not be prevented");
Util.assertRectangleEquals(
assert,
new OpenSeadragon.Rect(-384.5, -0.25, 500, 0.5),
bounds,
epsilon,
'Pan should not be prevented');
viewer.close();
done();
};
viewer.addHandler('open', onOpen);
viewer.open('/test/data/testpattern.dzi');
});
// ----------
QUnit.test('Viewer: preventDefaultAction in dblClickHandler', function(assert) {
var done = assert.async();
var epsilon = 0.0000001;
var $canvas = $( viewer.element ).find( '.openseadragon-canvas' ).not( '.navigator .openseadragon-canvas' ),
simEvent = {},
offset = $canvas.offset();
var simulateEnter = function (x, y) {
simEvent.clientX = offset.left + x;
simEvent.clientY = offset.top + y;
$canvas.simulate( 'mouseenter', simEvent );
};
var simulateLeave = function (x, y) {
simEvent.clientX = offset.left + x;
simEvent.clientY = offset.top + y;
simEvent.relatedTarget = document.body;
$canvas.simulate( 'mouseleave', simEvent );
};
var simulateDown = function (x, y) {
simEvent.button = 0;
simEvent.clientX = offset.left + x;
simEvent.clientY = offset.top + y;
$canvas.simulate( 'mousedown', simEvent );
};
var simulateUp = function (x, y) {
simEvent.button = 0;
simEvent.clientX = offset.left + x;
simEvent.clientY = offset.top + y;
$canvas.simulate( 'mouseup', simEvent );
};
function simulateDblTap() {
simulateEnter(2, 2);
simulateDown(2, 2);
simulateUp(2, 2);
simulateDown(2, 2);
simulateUp(2, 2);
simulateLeave(-1, -1);
}
var onOpen = function() {
viewer.removeHandler('open', onOpen);
var origClickSetting = viewer.gestureSettingsMouse.clickToZoom;
var origDblClickSetting = viewer.gestureSettingsMouse.dblClickToZoom;
viewer.gestureSettingsMouse.clickToZoom = false;
viewer.gestureSettingsMouse.dblClickToZoom = true;
var originalZoom = viewer.viewport.getZoom();
var onCanvasDblClick = function (event) {
event.preventDefaultAction = true;
};
viewer.addHandler('canvas-double-click', onCanvasDblClick);
simulateDblTap();
var zoom = viewer.viewport.getZoom();
Util.assessNumericValue(assert, originalZoom, zoom, epsilon,
"Zoom on double tap should be prevented");
// Reset event handler to original
viewer.removeHandler("canvas-double-click", onCanvasDblClick);
simulateDblTap();
originalZoom *= viewer.zoomPerClick;
zoom = viewer.viewport.getZoom();
Util.assessNumericValue(assert, originalZoom, zoom, epsilon,
"Zoom on double tap should not be prevented");
viewer.gestureSettingsMouse.clickToZoom = origClickSetting;
viewer.gestureSettingsMouse.dblClickToZoom = origDblClickSetting;
viewer.close();
done();
};
viewer.addHandler('open', onOpen);
viewer.open('/test/data/testpattern.dzi');
});
// ----------
QUnit.test( 'EventSource/MouseTracker/Viewer: event.originalEvent event.userData canvas-drag canvas-drag-end canvas-release canvas-click', function (assert) {
var done = assert.async();
var $canvas = $( viewer.element ).find( '.openseadragon-canvas' ).not( '.navigator .openseadragon-canvas' ),
mouseTracker = null,
userData = { item1: 'Test user data', item2: Math.random() },
originalUserData = { item1: userData.item1, item2: userData.item2 },
dragCount = 10,
dragsHandledEventSource = 0,
dragEndsHandledEventSource = 0,
releasesHandledEventSource = 0,
clicksHandledEventSource = 0,
eventsHandledMouseTracker = 0,
eventSourcePassedMouseTracker = 0,
originalEventsPassedMouseTracker = 0,
eventsHandledViewer = 0,
originalEventsPassedViewer = 0,
dragEndsExpected = 1,
releasesExpected = 1;
var checkOriginalEventReceivedViewer = function ( event ) {
eventsHandledViewer++;
//TODO Provide a better check for the original event...simulate doesn't currently extend the object
// with arbitrary user data.
if ( event && event.originalEvent ) {
originalEventsPassedViewer++;
}
};
var onEventSourceDrag = function ( event ) {
checkOriginalEventReceivedViewer( event );
dragsHandledEventSource++;
};
var onEventSourceDragEnd = function ( event ) {
checkOriginalEventReceivedViewer( event );
dragEndsHandledEventSource++;
};
var onEventSourceRelease = function ( event ) {
checkOriginalEventReceivedViewer( event );
releasesHandledEventSource++;
};
var onEventSourceClick = function ( event ) {
checkOriginalEventReceivedViewer( event );
clicksHandledEventSource++;
};
var checkOriginalEventReceived = function ( event ) {
eventsHandledMouseTracker++;
if ( event && event.eventSource === mouseTracker ) {
eventSourcePassedMouseTracker++;
}
//TODO Provide a better check for the original event...simulate doesn't currently extend the object
// with arbitrary user data.
if ( event && event.originalEvent ) {
originalEventsPassedMouseTracker++;
}
};
var onMouseTrackerFocus = function ( event ) {
checkOriginalEventReceived( event );
};
var onMouseTrackerBlur = function ( event ) {
checkOriginalEventReceived( event );
};
var onMouseTrackerEnter = function ( event ) {
checkOriginalEventReceived( event );
};
var onMouseTrackerPress = function ( event ) {
checkOriginalEventReceived( event );
};
var onMouseTrackerMove = function ( event ) {
checkOriginalEventReceived( event );
};
var onMouseTrackerDrag = function ( event ) {
checkOriginalEventReceived( event );
};
var onMouseTrackerDragEnd = function ( event ) {
checkOriginalEventReceived( event );
};
var onMouseTrackerRelease = function ( event ) {
checkOriginalEventReceived( event );
};
var onMouseTrackerClick = function ( event ) {
checkOriginalEventReceived( event );
};
var onMouseTrackerLeave = function ( event ) {
checkOriginalEventReceived( event );
mouseTracker.destroy();
viewer.removeHandler( 'canvas-drag', onEventSourceDrag );
viewer.removeHandler( 'canvas-release', onEventSourceRelease );
viewer.removeHandler( 'canvas-click', onEventSourceClick );
assert.equal( dragsHandledEventSource, dragCount, "'canvas-drag' event count matches 'mousemove' event count (" + dragCount + ")" );
assert.equal( dragEndsHandledEventSource, dragEndsExpected, "'canvas-drag-end' event count matches expected (" + dragEndsExpected + ")" );
assert.equal( releasesHandledEventSource, releasesExpected, "'canvas-release' event count matches expected (" + releasesExpected + ")" );
assert.equal( clicksHandledEventSource, releasesExpected, "'canvas-click' event count matches expected (" + releasesExpected + ")" );
assert.equal( originalEventsPassedViewer, eventsHandledViewer, "Original event received count matches expected (" + eventsHandledViewer + ")" );
assert.equal( eventSourcePassedMouseTracker, eventsHandledMouseTracker, "Event source received count matches expected (" + eventsHandledMouseTracker + ")" );
assert.equal( originalEventsPassedMouseTracker, eventsHandledMouseTracker, "Original event received count matches expected (" + eventsHandledMouseTracker + ")" );
assert.deepEqual( event.userData, originalUserData, 'MouseTracker userData was untouched' );
viewer.close();
done();
};
var onOpen = function ( ) {
viewer.removeHandler( 'open', onOpen );
viewer.addHandler( 'canvas-drag', onEventSourceDrag );
viewer.addHandler( 'canvas-drag-end', onEventSourceDragEnd );
viewer.addHandler( 'canvas-release', onEventSourceRelease );
viewer.addHandler( 'canvas-click', onEventSourceClick );
mouseTracker = new OpenSeadragon.MouseTracker( {
element: $canvas[0],
userData: userData,
clickTimeThreshold: OpenSeadragon.DEFAULT_SETTINGS.clickTimeThreshold,
clickDistThreshold: OpenSeadragon.DEFAULT_SETTINGS.clickDistThreshold,
dblClickTimeThreshold: OpenSeadragon.DEFAULT_SETTINGS.dblClickTimeThreshold,
dblClickDistThreshold: OpenSeadragon.DEFAULT_SETTINGS.dblClickDistThreshold,
focusHandler: onMouseTrackerFocus,
blurHandler: onMouseTrackerBlur,
enterHandler: onMouseTrackerEnter,
pressHandler: onMouseTrackerPress,
moveHandler: onMouseTrackerMove,
dragHandler: onMouseTrackerDrag,
dragEndHandler: onMouseTrackerDragEnd,
releaseHandler: onMouseTrackerRelease,
clickHandler: onMouseTrackerClick,
leaveHandler: onMouseTrackerLeave
} );
var event = {
clientX: 1,
clientY: 1
};
$canvas.simulate( 'focus', event );
Util.simulateViewerClickWithDrag( {
viewer: viewer,
widthFactor: 0.25,
heightFactor: 0.25,
dragCount: dragCount,
dragDx: 1,
dragDy: 1
} );
$canvas.simulate( 'blur', event );
};
viewer.addHandler( 'open', onOpen );
viewer.open( '/test/data/testpattern.dzi' );
} );
// ----------
QUnit.test( 'EventSource: addHandler without userData', function (assert) {
var done = assert.async();
var openHandler = function ( event ) {
viewer.removeHandler( 'open', openHandler );
assert.ok( event, 'Event handler received event data' );
if ( event ) {
assert.strictEqual( event.eventSource, viewer, 'eventSource sent, eventSource is viewer' );
assert.strictEqual( event.userData, null, 'User data defaulted to null' );
}
viewer.close();
done();
};
viewer.addHandler( 'open', openHandler );
viewer.open( '/test/data/testpattern.dzi' );
} );
// ----------
QUnit.test( 'EventSource: addHandler with userData', function (assert) {
var done = assert.async();
var userData = { item1: 'Test user data', item2: Math.random() },
originalUserData = { item1: userData.item1, item2: userData.item2 };
var openHandler = function ( event ) {
viewer.removeHandler( 'open', openHandler );
assert.ok( event, 'Event handler received event data' );
assert.ok( event && event.userData, 'Event handler received user data' );
if ( event && event.userData ) {
assert.deepEqual( event.userData, originalUserData, 'User data was untouched' );
}
viewer.close();
done();
};
viewer.addHandler( 'open', openHandler, userData );
viewer.open( '/test/data/testpattern.dzi' );
} );
// ----------
QUnit.test('EventSource: addOnceHandler', function(assert) {
var eventSource = new OpenSeadragon.EventSource();
var userData = 'data';
var eventData = {
foo: 1
};
var handlerCalledCount = 0;
eventSource.addOnceHandler('test-event', function(event) {
handlerCalledCount++;
assert.strictEqual(event.foo, eventData.foo,
'Event data should be transmitted to the event.');
assert.strictEqual(event.userData, userData,
'User data should be transmitted to the event.');
}, userData);
assert.strictEqual(0, handlerCalledCount,
'Handler should not have been called yet.');
eventSource.raiseEvent('test-event', eventData);
assert.strictEqual(1, handlerCalledCount,
'Handler should have been called once.');
eventSource.raiseEvent('test-event', eventData);
assert.strictEqual(1, handlerCalledCount,
'Handler should still have been called once.');
});
// ----------
QUnit.test('EventSource: addOnceHandler 2 times', function(assert) {
var eventSource = new OpenSeadragon.EventSource();
var userData = 'data';
var eventData = {
foo: 1
};
var handlerCalledCount = 0;
eventSource.addOnceHandler('test-event', function(event) {
handlerCalledCount++;
assert.strictEqual(event.foo, eventData.foo,
'Event data should be transmitted to the event.');
assert.strictEqual(event.userData, userData,
'User data should be transmitted to the event.');
}, userData, 2);
assert.strictEqual(0, handlerCalledCount,
'Handler should not have been called yet.');
eventSource.raiseEvent('test-event', eventData);
assert.strictEqual(1, handlerCalledCount,
'Handler should have been called once.');
eventSource.raiseEvent('test-event', eventData);
assert.strictEqual(2, handlerCalledCount,
'Handler should have been called twice.');
eventSource.raiseEvent('test-event', eventData);
assert.strictEqual(2, handlerCalledCount,
'Handler should still have been called twice.');
});
// ----------
QUnit.test( 'Viewer: event count test with \'tile-drawing\'', function (assert) {
var done = assert.async();
if(viewer.drawer.getType() !== 'canvas'){
assert.expect(0);
done();
return;
}
assert.ok(viewer.numberOfHandlers('tile-drawing') === 0,
"'tile-drawing' event is empty by default.");
var tileDrawing = function ( event ) {
viewer.removeHandler( 'tile-drawing', tileDrawing );
assert.ok(viewer.numberOfHandlers('tile-drawing') === 0,
"'tile-drawing' deleted: count is 0.");
viewer.close();
done();
};
var tileDrawingDummy = function ( event ) {};
viewer.addHandler( 'tile-drawing', tileDrawing );
assert.ok(viewer.numberOfHandlers('tile-drawing') === 1,
"'tile-drawing' event set to 1.");
viewer.addHandler( 'tile-drawing', tileDrawingDummy );
assert.ok(viewer.numberOfHandlers('tile-drawing') === 2,
"'tile-drawing' event set to 2.");
viewer.removeHandler( 'tile-drawing', tileDrawingDummy );
assert.ok(viewer.numberOfHandlers('tile-drawing') === 1,
"'tile-drawing' deleted once: count is 1.");
viewer.open( '/test/data/testpattern.dzi' );
} );
QUnit.test( 'Viewer: tile-drawing event', function (assert) {
var done = assert.async();
if(viewer.drawer.getType() !== 'canvas'){
assert.expect(0);
done();
return;
}
var tileDrawing = function ( event ) {
viewer.removeHandler( 'tile-drawing', tileDrawing );
assert.ok( event, 'Event handler should be invoked' );
if ( event ) {
// Make sure we have the expected elements set
assert.ok(event.context, "Context should be set");
assert.ok(event.tile, "Tile should be set");
assert.ok(event.rendered, "Rendered should be set");
}
viewer.close();
done();
};
viewer.addHandler( 'tile-drawing', tileDrawing );
viewer.open( '/test/data/testpattern.dzi' );
} );
// tile-loaded event tests
QUnit.test( 'Viewer: tile-loaded event without callback.', function (assert) {
var done = assert.async();
function tileLoaded ( event ) {
viewer.removeHandler( 'tile-loaded', tileLoaded);
var tile = event.tile;
assert.ok( tile.loading, "The tile should be marked as loading.");
assert.notOk( tile.loaded, "The tile should not be marked as loaded.");
setTimeout(function() {
assert.notOk( tile.loading, "The tile should not be marked as loading.");
assert.ok( tile.loaded, "The tile should be marked as loaded.");
done();
}, 0);
}
viewer.addHandler( 'tile-loaded', tileLoaded);
viewer.open( '/test/data/testpattern.dzi' );
} );
QUnit.test( 'Viewer: tile-loaded event with 1 callback.', function (assert) {
var done = assert.async();
function tileLoaded ( event ) {
viewer.removeHandler( 'tile-loaded', tileLoaded);
var tile = event.tile;
var callback = event.getCompletionCallback();
assert.ok( tile.loading, "The tile should be marked as loading.");
assert.notOk( tile.loaded, "The tile should not be marked as loaded.");
assert.ok( callback, "The event should have a callback.");
setTimeout(function() {
assert.ok( tile.loading, "The tile should be marked as loading.");
assert.notOk( tile.loaded, "The tile should not be marked as loaded.");
callback();
assert.notOk( tile.loading, "The tile should not be marked as loading.");
assert.ok( tile.loaded, "The tile should be marked as loaded.");
done();
}, 0);
}
viewer.addHandler( 'tile-loaded', tileLoaded);
viewer.open( '/test/data/testpattern.dzi' );
} );
QUnit.test( 'Viewer: tile-loaded event with 2 callbacks.', function (assert) {
var done = assert.async();
function tileLoaded ( event ) {
viewer.removeHandler( 'tile-loaded', tileLoaded);
var tile = event.tile;
var callback1 = event.getCompletionCallback();
var callback2 = event.getCompletionCallback();
assert.ok( tile.loading, "The tile should be marked as loading.");
assert.notOk( tile.loaded, "The tile should not be marked as loaded.");
setTimeout(function() {
assert.ok( tile.loading, "The tile should be marked as loading.");
assert.notOk( tile.loaded, "The tile should not be marked as loaded.");
callback1();
assert.ok( tile.loading, "The tile should be marked as loading.");
assert.notOk( tile.loaded, "The tile should not be marked as loaded.");
setTimeout(function() {
assert.ok( tile.loading, "The tile should be marked as loading.");
assert.notOk( tile.loaded, "The tile should not be marked as loaded.");
callback2();
assert.notOk( tile.loading, "The tile should not be marked as loading.");
assert.ok( tile.loaded, "The tile should be marked as loaded.");
done();
}, 0);
}, 0);
}
viewer.addHandler( 'tile-loaded', tileLoaded);
viewer.open( '/test/data/testpattern.dzi' );
} );
QUnit.test( 'Viewer: tile-unloaded event.', function(assert) {
var tiledImage;
var tile;
var done = assert.async();
function tileLoaded( event ) {
viewer.removeHandler( 'tile-loaded', tileLoaded);
tiledImage = event.tiledImage;
tile = event.tile;
setTimeout(function() {
tiledImage.reset();
}, 0);
}
function tileUnloaded( event ) {
viewer.removeHandler( 'tile-unloaded', tileUnloaded );
assert.equal( tile, event.tile,
"The unloaded tile should be the same than the loaded one." );
assert.equal( tiledImage, event.tiledImage,
"The tiledImage of the unloaded tile should be the same than the one of the loaded one." );
done();
}
viewer.addHandler( 'tile-loaded', tileLoaded );
viewer.addHandler( 'tile-unloaded', tileUnloaded );
viewer.open( '/test/data/testpattern.dzi' );
} );
} )();
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