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/*
* This file is part of the MediaWiki extension MediaViewer.
*
* MediaViewer is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* MediaViewer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with MediaViewer. If not, see <http://www.gnu.org/licenses/>.
*/
( function ( mw, $ ) {
QUnit.module( 'mmv.ui.Canvas', QUnit.newMwEnvironment() );
QUnit.test( 'Constructor sanity check', function ( assert ) {
var $qf = $( '#qunit-fixture' ),
canvas = new mw.mmv.ui.Canvas( $qf, $qf, $qf );
assert.ok( canvas.$imageDiv, 'Image container is created.' );
assert.strictEqual( canvas.$imageWrapper, $qf, '$imageWrapper is set correctly.' );
assert.strictEqual( canvas.$mainWrapper, $qf, '$mainWrapper is set correctly.' );
} );
QUnit.test( 'empty() and set()', function ( assert ) {
var $qf = $( '#qunit-fixture' ),
canvas = new mw.mmv.ui.Canvas( $qf ),
image = new Image(),
$imageElem = $( image ),
imageRawMetadata = new mw.mmv.LightboxImage( 'foo.png' );
canvas.empty();
assert.strictEqual( canvas.$imageDiv.html(), '', 'Canvas is empty.' );
assert.ok( canvas.$imageDiv.hasClass( 'empty' ), 'Canvas is not visible.' );
canvas.set( imageRawMetadata, $imageElem );
assert.strictEqual( canvas.$image, $imageElem, 'Image element set correctly.' );
assert.strictEqual( canvas.imageRawMetadata, imageRawMetadata, 'Raw metadata set correctly.' );
assert.strictEqual( canvas.$imageDiv.html(), '<img>', 'Image added to container.' );
assert.ok( !canvas.$imageDiv.hasClass( 'empty' ), 'Canvas is visible.' );
canvas.empty();
assert.strictEqual( canvas.$imageDiv.html(), '', 'Canvas is empty.' );
assert.ok( canvas.$imageDiv.hasClass( 'empty' ), 'Canvas is not visible.' );
} );
QUnit.test( 'setImageAndMaxDimensions()', function ( assert ) {
var $qf = $( '#qunit-fixture' ),
$mainWrapper = $( '<div>' ).appendTo( $qf ),
$innerWrapper = $( '<div>' ).appendTo( $mainWrapper ),
$imageWrapper = $( '<div>' ).appendTo( $innerWrapper ),
canvas = new mw.mmv.ui.Canvas( $innerWrapper, $imageWrapper, $mainWrapper ),
imageRawMetadata = new mw.mmv.LightboxImage( 'foo.png' ),
image = new Image(),
$imageElem = $( image ),
image2 = new Image(),
thumbnailWidth = 10,
screenWidth = 100,
$currentImage,
originalWidth;
// Need to call set() before using setImageAndMaxDimensions()
canvas.set( imageRawMetadata, $imageElem );
originalWidth = image.width;
// Call with the same image
canvas.setImageAndMaxDimensions(
{ width: thumbnailWidth },
image,
{ cssWidth: screenWidth }
);
assert.strictEqual( image.width, originalWidth, 'Image width was not modified.' );
assert.strictEqual( canvas.$image, $imageElem, 'Image element still set correctly.' );
$currentImage = canvas.$image;
// Call with a new image bigger than screen size
thumbnailWidth = 150;
canvas.setImageAndMaxDimensions(
{ width: thumbnailWidth },
image2,
{ cssWidth: screenWidth }
);
assert.strictEqual( image2.width, screenWidth, 'Image width was trimmed correctly.' );
assert.notStrictEqual( canvas.$image, $currentImage, 'Image element switched correctly.' );
} );
QUnit.test( 'maybeDisplayPlaceholder: Constrained area for SVG files', function ( assert ) {
var $image,
blurredThumbnailShown,
$qf = $( '#qunit-fixture' ),
imageRawMetadata = new mw.mmv.LightboxImage( 'foo.svg' ),
canvas = new mw.mmv.ui.Canvas( $qf );
imageRawMetadata.filePageTitle = {
getExtension: function () { return 'svg'; }
};
canvas.imageRawMetadata = imageRawMetadata;
canvas.set = function () {
assert.ok( false, 'Placeholder is not shown' );
};
$image = $( '<img>' ).width( 10 ).height( 5 );
blurredThumbnailShown = canvas.maybeDisplayPlaceholder(
{ width: 200, height: 100 },
$image,
{ cssWidth: 300, cssHeight: 150 }
);
assert.strictEqual( $image.width(), 10, 'Placeholder width was not set to max' );
assert.strictEqual( $image.height(), 5, 'Placeholder height was not set to max' );
assert.ok( !$image.hasClass( 'blurred' ), 'Placeholder is not blurred' );
assert.ok( !blurredThumbnailShown, 'Placeholder state is correct' );
} );
QUnit.test( 'maybeDisplayPlaceholder: placeholder big enough that it doesn\'t need blurring, actual image bigger than the lightbox', function ( assert ) {
var $image,
blurredThumbnailShown,
$qf = $( '#qunit-fixture' ),
imageRawMetadata = new mw.mmv.LightboxImage( 'foo.png' ),
canvas = new mw.mmv.ui.Canvas( $qf );
imageRawMetadata.filePageTitle = {
getExtension: function () { return 'png'; }
};
canvas.imageRawMetadata = imageRawMetadata;
canvas.set = function () {
assert.ok( true, 'Placeholder shown' );
};
$image = $( '<img>' ).width( 200 ).height( 100 );
blurredThumbnailShown = canvas.maybeDisplayPlaceholder(
{ width: 1000, height: 500 },
$image,
{ cssWidth: 300, cssHeight: 150 }
);
assert.strictEqual( $image.width(), 300, 'Placeholder has the right width' );
assert.strictEqual( $image.height(), 150, 'Placeholder has the right height' );
assert.ok( !$image.hasClass( 'blurred' ), 'Placeholder is not blurred' );
assert.ok( !blurredThumbnailShown, 'Placeholder state is correct' );
} );
QUnit.test( 'maybeDisplayPlaceholder: big-enough placeholder that needs blurring, actual image bigger than the lightbox', function ( assert ) {
var $image,
blurredThumbnailShown,
$qf = $( '#qunit-fixture' ),
imageRawMetadata = new mw.mmv.LightboxImage( 'foo.png' ),
canvas = new mw.mmv.ui.Canvas( $qf );
imageRawMetadata.filePageTitle = {
getExtension: function () { return 'png'; }
};
canvas.imageRawMetadata = imageRawMetadata;
canvas.set = function () {
assert.ok( true, 'Placeholder shown' );
};
$image = $( '<img>' ).width( 100 ).height( 50 );
blurredThumbnailShown = canvas.maybeDisplayPlaceholder(
{ width: 1000, height: 500 },
$image,
{ cssWidth: 300, cssHeight: 150 }
);
assert.strictEqual( $image.width(), 300, 'Placeholder has the right width' );
assert.strictEqual( $image.height(), 150, 'Placeholder has the right height' );
assert.ok( $image.hasClass( 'blurred' ), 'Placeholder is blurred' );
assert.ok( blurredThumbnailShown, 'Placeholder state is correct' );
} );
QUnit.test( 'maybeDisplayPlaceholder: big-enough placeholder that needs blurring, actual image smaller than the lightbox', function ( assert ) {
var $image,
blurredThumbnailShown,
$qf = $( '#qunit-fixture' ),
imageRawMetadata = new mw.mmv.LightboxImage( 'foo.png' ),
canvas = new mw.mmv.ui.Canvas( $qf );
imageRawMetadata.filePageTitle = {
getExtension: function () { return 'png'; }
};
canvas.imageRawMetadata = imageRawMetadata;
canvas.set = function () {
assert.ok( true, 'Placeholder shown' );
};
$image = $( '<img>' ).width( 100 ).height( 50 );
blurredThumbnailShown = canvas.maybeDisplayPlaceholder(
{ width: 1000, height: 500 },
$image,
{ cssWidth: 1200, cssHeight: 600 }
);
assert.strictEqual( $image.width(), 1000, 'Placeholder has the right width' );
assert.strictEqual( $image.height(), 500, 'Placeholder has the right height' );
assert.ok( $image.hasClass( 'blurred' ), 'Placeholder is blurred' );
assert.ok( blurredThumbnailShown, 'Placeholder state is correct' );
} );
QUnit.test( 'maybeDisplayPlaceholder: placeholder too small to be displayed, actual image bigger than the lightbox', function ( assert ) {
var $image,
blurredThumbnailShown,
$qf = $( '#qunit-fixture' ),
imageRawMetadata = new mw.mmv.LightboxImage( 'foo.png' ),
canvas = new mw.mmv.ui.Canvas( $qf );
imageRawMetadata.filePageTitle = {
getExtension: function () { return 'png'; }
};
canvas.imageRawMetadata = imageRawMetadata;
canvas.set = function () {
assert.ok( false, 'Placeholder shown when it should not' );
};
$image = $( '<img>' ).width( 10 ).height( 5 );
blurredThumbnailShown = canvas.maybeDisplayPlaceholder(
{ width: 1000, height: 500 },
$image,
{ cssWidth: 300, cssHeight: 150 }
);
assert.strictEqual( $image.width(), 10, 'Placeholder has the right width' );
assert.strictEqual( $image.height(), 5, 'Placeholder has the right height' );
assert.ok( !$image.hasClass( 'blurred' ), 'Placeholder is not blurred' );
assert.ok( !blurredThumbnailShown, 'Placeholder state is correct' );
} );
QUnit.test( 'Unblur', function ( assert ) {
var $qf = $( '#qunit-fixture' ),
canvas = new mw.mmv.ui.Canvas( $qf ),
oldAnimate = $.fn.animate;
$.fn.animate = function ( target, options ) {
var self = this,
lastValue;
$.each( target, function ( key, value ) {
lastValue = self.key = value;
} );
if ( options ) {
if ( options.step ) {
options.step.call( this, lastValue );
}
if ( options.complete ) {
options.complete.call( this );
}
}
};
canvas.$image = $( '<img>' );
canvas.unblurWithAnimation();
assert.ok( !canvas.$image.css( '-webkit-filter' ) || !canvas.$image.css( '-webkit-filter' ).length,
'Image has no -webkit-filter left' );
assert.ok( !canvas.$image.css( 'filter' ) || !canvas.$image.css( 'filter' ).length || canvas.$image.css( 'filter' ) === 'none',
'Image has no filter left' );
assert.strictEqual( parseInt( canvas.$image.css( 'opacity' ), 10 ), 1,
'Image is fully opaque' );
assert.ok( !canvas.$image.hasClass( 'blurred' ), 'Image has no "blurred" class' );
$.fn.animate = oldAnimate;
} );
}( mediaWiki, jQuery ) );
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