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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
'use strict';
base.require('base.utils');
base.require('ui.animation_controller');
base.unittest.testSuite('ui.animation_controller', function() {
function SimpleAnimation(options) {
this.stopTime = options.stopTime;
this.startCalled = false;
this.didStopEarlyCalled = false;
this.wasTakenOver = false;
this.tickCount = 0;
}
SimpleAnimation.prototype = {
__proto__: ui.Animation.prototype,
canTakeOverFor: function(existingAnimation) {
return false;
},
takeOverFor: function(existingAnimation, newStartTimestamp, target) {
throw new Error('Not implemented');
},
start: function(timestamp, target) {
this.startCalled = true;
},
didStopEarly: function(timestamp, target, willBeTakenOver) {
this.didStopEarlyCalled = true;
this.wasTakenOver = willBeTakenOver;
},
/**
* @return {boolean} true if the animation is finished.
*/
tick: function(timestamp, target) {
this.tickCount++;
return timestamp >= this.stopTime;
}
};
test('cancel', function() {
var target = {
x: 0,
cloneAnimationState: function() { return {x: this.x}; }
};
var controller = new ui.AnimationController();
controller.target = target;
var animation = new SimpleAnimation({stopTime: 100});
controller.queueAnimation(animation);
base.forcePendingRAFTasksToRun(0);
assertEquals(1, animation.tickCount);
controller.cancelActiveAnimation();
assertFalse(controller.hasActiveAnimation);
assertTrue(animation.didStopEarlyCalled);
});
test('simple', function() {
var target = {
x: 0,
cloneAnimationState: function() { return {x: this.x}; }
};
var controller = new ui.AnimationController();
controller.target = target;
var animation = new SimpleAnimation({stopTime: 100});
controller.queueAnimation(animation);
base.forcePendingRAFTasksToRun(0);
assertEquals(1, animation.tickCount);
assertTrue(controller.hasActiveAnimation);
base.forcePendingRAFTasksToRun(100);
assertEquals(2, animation.tickCount);
assertFalse(controller.hasActiveAnimation);
});
test('queueTwo', function() {
// Clear all pending rafs so if something is lingering it will blow up here.
base.forcePendingRAFTasksToRun(0);
var target = {
x: 0,
cloneAnimationState: function() { return {x: this.x}; }
};
var controller = new ui.AnimationController();
controller.target = target;
var a1 = new SimpleAnimation({stopTime: 100});
var a2 = new SimpleAnimation({stopTime: 100});
controller.queueAnimation(a1, 0);
assertTrue(a1.startCalled);
controller.queueAnimation(a2, 50);
assertTrue(a1.didStopEarlyCalled);
assertTrue(a2.startCalled);
base.forcePendingRAFTasksToRun(150);
assertFalse(controller.hasActiveAnimation);
assertTrue(a2.tickCount > 0);
});
/**
* @constructor
*/
function AnimationThatCanTakeOverForSimpleAnimation() {
this.takeOverForAnimation = undefined;
}
AnimationThatCanTakeOverForSimpleAnimation.prototype = {
__proto__: ui.Animation.prototype,
canTakeOverFor: function(existingAnimation) {
return existingAnimation instanceof SimpleAnimation;
},
takeOverFor: function(existingAnimation, newStartTimestamp, target) {
this.takeOverForAnimation = existingAnimation;
},
start: function(timestamp, target) {
this.startCalled = true;
}
};
test('takeOver', function() {
var target = {
x: 0,
cloneAnimationState: function() { return {x: this.x}; }
};
var controller = new ui.AnimationController();
controller.target = target;
var a1 = new SimpleAnimation({stopTime: 100});
var a2 = new AnimationThatCanTakeOverForSimpleAnimation();
controller.queueAnimation(a1, 0);
assertTrue(a1.startCalled);
assertEquals(0, a1.tickCount);
controller.queueAnimation(a2, 10);
assertTrue(a1.didStopEarlyCalled);
assertTrue(a1.wasTakenOver);
assertEquals(1, a1.tickCount);
assertEquals(a2.takeOverForAnimation, a1);
assertTrue(a2.startCalled);
controller.cancelActiveAnimation();
assertFalse(controller.hasActiveAnimation);
});
});
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