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// Copyright 2009 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.positioning.ViewportClientPositionTest');
goog.setTestOnly('goog.positioning.ViewportClientPositionTest');
goog.require('goog.dom');
goog.require('goog.positioning.Corner');
goog.require('goog.positioning.Overflow');
goog.require('goog.positioning.ViewportClientPosition');
goog.require('goog.style');
goog.require('goog.testing.jsunit');
goog.require('goog.userAgent');
var viewportSize, anchor, popup, dom, frameRect;
var corner = goog.positioning.Corner;
// Allow positions to be off by one in gecko as it reports scrolling
// offsets in steps of 2.
var ALLOWED_OFFSET = goog.userAgent.GECKO ? 1 : 0;
function setUp() {
var frame = document.getElementById('frame1');
var doc = goog.dom.getFrameContentDocument(frame);
dom = goog.dom.getDomHelper(doc);
viewportSize = dom.getViewportSize();
anchor = dom.getElement('anchor');
popup = dom.getElement('popup');
popup.style.overflowY = 'visible';
goog.style.setSize(popup, 20, 20);
frameRect = goog.style.getVisibleRectForElement(doc.body);
}
function testPositionAtCoordinateTopLeft() {
var pos = new goog.positioning.ViewportClientPosition(100, 100);
pos.reposition(popup, corner.TOP_LEFT);
var offset = goog.style.getPageOffset(popup);
assertEquals(
'Left edge of popup should be at specified x coordinate.', 100, offset.x);
assertEquals(
'Top edge of popup should be at specified y coordinate.', 100, offset.y);
}
function testPositionAtCoordinateBottomRight() {
var pos = new goog.positioning.ViewportClientPosition(100, 100);
pos.reposition(popup, corner.BOTTOM_RIGHT);
var bounds = goog.style.getBounds(popup);
assertEquals(
'Right edge of popup should be at specified x coordinate.', 100,
bounds.left + bounds.width);
assertEquals(
'Bottom edge of popup should be at specified x coordinate.', 100,
bounds.top + bounds.height);
}
function testPositionAtCoordinateTopLeftWithScroll() {
dom.getDocument().body.style.paddingTop = '300px';
dom.getDocument().body.style.height = '3000px';
dom.getDocumentScrollElement().scrollTop = 50;
dom.getDocument().body.scrollTop = 50;
var pos = new goog.positioning.ViewportClientPosition(0, 0);
pos.reposition(popup, corner.TOP_LEFT);
var offset = goog.style.getPageOffset(popup);
assertEquals(
'Left edge of popup should be at specified x coordinate.', 0, offset.x);
assertTrue(
'Top edge of popup should be at specified y coordinate ' +
'adjusted for scroll.',
Math.abs(offset.y - 50) <= ALLOWED_OFFSET);
dom.getDocument().body.style.paddingLeft = '1000px';
dom.getDocumentScrollElement().scrollLeft = 500;
pos.reposition(popup, corner.TOP_LEFT);
offset = goog.style.getPageOffset(popup);
assertTrue(
'Left edge of popup should be at specified x coordinate ' +
'adjusted for scroll.',
Math.abs(offset.x - 500) <= ALLOWED_OFFSET);
dom.getDocumentScrollElement().scrollLeft = 0;
dom.getDocumentScrollElement().scrollTop = 0;
dom.getDocument().body.style.paddingLeft = '';
dom.getDocument().body.style.paddingTop = '';
pos.reposition(popup, corner.TOP_LEFT);
offset = goog.style.getPageOffset(popup);
assertEquals(
'Left edge of popup should be at specified x coordinate.', 0, offset.x);
assertEquals(
'Top edge of popup should be at specified y coordinate.', 0, offset.y);
}
function testOverflowRightFlipHor() {
var pos = new goog.positioning.ViewportClientPosition(frameRect.right, 100);
pos.reposition(popup, corner.TOP_LEFT);
var offset = goog.style.getPageOffset(popup);
assertEquals(
'Left edge of popup should have been adjusted so that it ' +
'fits inside the viewport.',
frameRect.right - popup.offsetWidth, offset.x);
assertEquals(
'Top edge of popup should be at specified y coordinate.', 100, offset.y);
}
function testOverflowTopFlipVer() {
var pos = new goog.positioning.ViewportClientPosition(100, 0);
pos.reposition(popup, corner.TOP_RIGHT);
var offset = goog.style.getPageOffset(popup);
assertEquals(
'Left edge of popup should be at specified x coordinate.', 80, offset.x);
assertEquals(
'Top edge of popup should have been adjusted so that it ' +
'fits inside the viewport.',
0, offset.y);
}
function testOverflowBottomRightFlipBoth() {
var pos = new goog.positioning.ViewportClientPosition(
frameRect.right, frameRect.bottom);
pos.reposition(popup, corner.TOP_LEFT);
var offset = goog.style.getPageOffset(popup);
assertEquals(
'Left edge of popup should have been adjusted so that it ' +
'fits inside the viewport.',
frameRect.right - popup.offsetWidth, offset.x);
assertEquals(
'Top edge of popup should have been adjusted so that it ' +
'fits inside the viewport.',
frameRect.bottom - popup.offsetHeight, offset.y);
}
function testLastRespotOverflow() {
var large = 2000;
goog.style.setSize(popup, 20, large);
popup.style.overflowY = 'auto';
var pos = new goog.positioning.ViewportClientPosition(0, 0);
pos.reposition(popup, corner.TOP_LEFT);
assertEquals(large, popup.offsetHeight);
pos.setLastResortOverflow(goog.positioning.Overflow.RESIZE_HEIGHT);
pos.reposition(popup, corner.TOP_LEFT);
assertNotEquals(large, popup.offsetHeight);
}
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