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// Copyright 2008 The Closure Library Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
goog.provide('goog.ui.ScrollFloaterTest');
goog.setTestOnly('goog.ui.ScrollFloaterTest');
goog.require('goog.dom');
goog.require('goog.events');
goog.require('goog.style');
goog.require('goog.testing.PropertyReplacer');
goog.require('goog.testing.jsunit');
goog.require('goog.ui.ScrollFloater');
function testScrollFloater() {
var scrollFloater = new goog.ui.ScrollFloater();
var floater = goog.dom.getElement('floater');
scrollFloater.decorate(floater);
assertTrue('Default state is enabled', scrollFloater.isScrollingEnabled());
assertFalse(
'On unscrolled page should not be floating', scrollFloater.isFloating());
scrollFloater.setScrollingEnabled(false);
assertFalse('We can disable the floater', scrollFloater.isScrollingEnabled());
scrollFloater.dispose();
}
function testScrollFloaterEvents() {
var scrollFloater = new goog.ui.ScrollFloater();
var floater = goog.dom.getElement('floater');
scrollFloater.setContainerElement(goog.dom.getElement('container'));
scrollFloater.decorate(floater);
var floatWasCalled = false;
var callRecorder = function() { floatWasCalled = true; };
goog.events.listen(
scrollFloater, goog.ui.ScrollFloater.EventType.FLOAT, callRecorder);
scrollFloater.float_(goog.ui.ScrollFloater.FloatMode_.TOP);
assertTrue('FLOAT event was called', floatWasCalled);
assertTrue('Should be floating', scrollFloater.isFloating());
assertFalse('Should not be pinned', scrollFloater.isPinned());
var dockWasCalled = false;
callRecorder = function() { dockWasCalled = true; };
goog.events.listen(
scrollFloater, goog.ui.ScrollFloater.EventType.DOCK, callRecorder);
scrollFloater.dock_();
assertTrue('DOCK event was called', dockWasCalled);
assertFalse('Should not be floating', scrollFloater.isFloating());
assertFalse('Should not be pinned', scrollFloater.isPinned());
var pinWasCalled = false;
callRecorder = function() { pinWasCalled = true; };
goog.events.listen(
scrollFloater, goog.ui.ScrollFloater.EventType.PIN, callRecorder);
scrollFloater.pin_();
assertTrue('PIN event was called', pinWasCalled);
assertFalse('Should not be floating', scrollFloater.isFloating());
assertTrue('Should be pinned', scrollFloater.isPinned());
scrollFloater.dispose();
}
function testScrollFloaterEventCancellation() {
var scrollFloater = new goog.ui.ScrollFloater();
var floater = goog.dom.getElement('floater');
scrollFloater.decorate(floater);
// Event handler that returns false to cancel the event.
var eventCanceller = function() { return false; };
// Have eventCanceller handle the FLOAT event and verify cancellation.
goog.events.listen(
scrollFloater, goog.ui.ScrollFloater.EventType.FLOAT, eventCanceller);
scrollFloater.float_(goog.ui.ScrollFloater.FloatMode_.TOP);
assertFalse('Should not be floating', scrollFloater.isFloating());
// Have eventCanceller handle the PIN event and verify cancellation.
goog.events.listen(
scrollFloater, goog.ui.ScrollFloater.EventType.PIN, eventCanceller);
scrollFloater.dock_();
assertFalse('Should not be pinned', scrollFloater.isPinned());
// Detach eventCanceller and enable floating.
goog.events.unlisten(
scrollFloater, goog.ui.ScrollFloater.EventType.FLOAT, eventCanceller);
scrollFloater.float_(goog.ui.ScrollFloater.FloatMode_.TOP);
// Have eventCanceller handle the DOCK event and verify cancellation.
goog.events.listen(
scrollFloater, goog.ui.ScrollFloater.EventType.DOCK, eventCanceller);
scrollFloater.dock_();
assertTrue('Should still be floating', scrollFloater.isFloating());
scrollFloater.dispose();
}
function testScrollFloaterUpdateStyleOnFloatEvent() {
var scrollFloater = new goog.ui.ScrollFloater();
var floater = goog.dom.getElement('floater');
scrollFloater.decorate(floater);
// Event handler that sets the font size of the scrollfloater to 20px.
var updateStyle = function(e) {
goog.style.setStyle(e.target.getElement(), 'font-size', '20px');
};
// Set the current font size to 10px.
goog.style.setStyle(scrollFloater.getElement(), 'font-size', '10px');
goog.events.listen(
scrollFloater, goog.ui.ScrollFloater.EventType.FLOAT, updateStyle);
scrollFloater.float_(goog.ui.ScrollFloater.FloatMode_.BOTTOM);
// Ensure event handler got called and updated the font size.
assertEquals(
'Font size should be 20px', '20px',
goog.style.getStyle(scrollFloater.getElement(), 'font-size'));
assertEquals(
'Top should be auto', 'auto',
goog.style.getStyle(scrollFloater.getElement(), 'top'));
assertEquals(
'Bottom should be 0px', 0,
parseInt(goog.style.getStyle(scrollFloater.getElement(), 'bottom')));
scrollFloater.dispose();
}
function testScrollFloaterHandlesHorizontalScrolling() {
var scrollFloater = new goog.ui.ScrollFloater();
var floater = goog.dom.getElement('floater');
scrollFloater.decorate(floater);
scrollFloater.float_(goog.ui.ScrollFloater.FloatMode_.TOP);
// For some reason the default position of the tested SF is 16px left.
assertEquals(
'Element should be left aligned', '16px',
goog.style.getStyle(scrollFloater.getElement(), 'left'));
var propReplacer = new goog.testing.PropertyReplacer();
propReplacer.set(
goog.dom, 'getDocumentScroll', function() { return {'x': 20}; });
scrollFloater.float_(goog.ui.ScrollFloater.FloatMode_.TOP);
assertEquals(
'Element should be scrolled to the left', '-4px',
goog.style.getStyle(scrollFloater.getElement(), 'left'));
propReplacer.reset();
scrollFloater.dispose();
}
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