mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/MultimediaViewer
synced 2024-11-26 00:55:43 +00:00
412 lines
15 KiB
JavaScript
412 lines
15 KiB
JavaScript
( function ( mw, $ ) {
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var oldScrollTo;
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function stubScrollTo() {
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oldScrollTo = $.scrollTo;
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$.scrollTo = function () { return { scrollTop : $.noop, on : $.noop, off : $.noop }; };
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}
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function restoreScrollTo() {
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$.scrollTo = oldScrollTo;
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}
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QUnit.module( 'mmv.lightboxInterface', QUnit.newMwEnvironment() );
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QUnit.test( 'Sanity test, object creation and ui construction', 20, function ( assert ) {
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var lightbox = new mw.mmv.LightboxInterface();
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stubScrollTo();
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function checkIfUIAreasAttachedToDocument( inDocument ) {
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var msg = ( inDocument === 1 ? ' ' : ' not ' ) + 'attached.';
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assert.strictEqual( $( '.mw-mmv-wrapper' ).length, inDocument, 'Wrapper area' + msg );
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assert.strictEqual( $( '.mw-mmv-main' ).length, inDocument, 'Main area' + msg );
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assert.strictEqual( $( '.mw-mmv-title' ).length, inDocument, 'Title area' + msg );
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assert.strictEqual( $( '.mw-mmv-credit' ).length, inDocument, 'Author/source area' + msg );
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assert.strictEqual( $( '.mw-mmv-image-desc' ).length, inDocument, 'Description area' + msg );
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assert.strictEqual( $( '.mw-mmv-image-links' ).length, inDocument, 'Links area' + msg );
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}
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// UI areas not attached to the document yet.
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checkIfUIAreasAttachedToDocument(0);
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// Attach lightbox to testing fixture to avoid interference with other tests.
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lightbox.attach( '#qunit-fixture' );
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// UI areas should now be attached to the document.
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checkIfUIAreasAttachedToDocument(1);
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// Check that the close button on the lightbox still follow the spec (being visible right away)
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assert.strictEqual( $( '#qunit-fixture .mw-mmv-close' ).length, 1, 'There should be a close button' );
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assert.ok( $( '#qunit-fixture .mw-mmv-close' ).is(':visible'), 'The close button should be visible' );
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// Unattach lightbox from document
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lightbox.unattach();
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// UI areas not attached to the document anymore.
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checkIfUIAreasAttachedToDocument(0);
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restoreScrollTo();
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} );
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QUnit.test( 'Handler registration and clearance work OK', 2, function ( assert ) {
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var lightbox = new mw.mmv.LightboxInterface(),
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handlerCalls = 0;
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function handleEvent() {
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handlerCalls++;
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}
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lightbox.handleEvent( 'test', handleEvent );
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$( document ).trigger( 'test' );
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assert.strictEqual( handlerCalls, 1, 'The handler was called when we triggered the event.' );
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lightbox.clearEvents();
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$( document ).trigger( 'test' );
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assert.strictEqual( handlerCalls, 1, 'The handler was not called after calling lightbox.clearEvents().' );
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} );
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QUnit.test( 'Fullscreen mode', 8, function ( assert ) {
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var lightbox = new mw.mmv.LightboxInterface(),
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oldFnEnterFullscreen = $.fn.enterFullscreen,
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oldFnExitFullscreen = $.fn.exitFullscreen,
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oldSupportFullscreen = $.support.fullscreen;
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// Since we don't want these tests to really open fullscreen
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// which is subject to user security confirmation,
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// we use a mock that pretends regular jquery.fullscreen behavior happened
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$.fn.enterFullscreen = mw.mmv.testHelpers.enterFullscreenMock;
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$.fn.exitFullscreen = mw.mmv.testHelpers.exitFullscreenMock;
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stubScrollTo();
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lightbox.buttons.fadeOut = $.noop;
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// Attach lightbox to testing fixture to avoid interference with other tests.
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lightbox.attach( '#qunit-fixture' );
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$.support.fullscreen = false;
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lightbox.setupCanvasButtons();
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assert.strictEqual( lightbox.$fullscreenButton.css( 'display' ), 'none',
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'Fullscreen button is hidden when fullscreen mode is unavailable' );
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$.support.fullscreen = true;
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lightbox.setupCanvasButtons();
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assert.strictEqual( lightbox.$fullscreenButton.css( 'display' ), 'block',
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'Fullscreen button is visible when fullscreen mode is available' );
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// Entering fullscreen
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lightbox.$fullscreenButton.click();
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assert.strictEqual( lightbox.$main.hasClass( 'jq-fullscreened' ) , true,
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'Fullscreened area has the fullscreen class');
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assert.strictEqual( lightbox.isFullscreen , true, 'Lightbox knows it\'s in fullscreen mode');
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// Exiting fullscreen
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lightbox.$fullscreenButton.click();
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assert.strictEqual( lightbox.$main.hasClass( 'jq-fullscreened' ) , false,
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'Fullscreened area doesn\'t have the fullscreen class anymore');
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assert.strictEqual( lightbox.isFullscreen , false, 'Lightbox knows it\'s not in fullscreen mode');
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// Entering fullscreen
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lightbox.$fullscreenButton.click();
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// Hard-exiting fullscreen
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lightbox.$closeButton.click();
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// Re-attach after hard-exit
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lightbox.attach( '#qunit-fixture' );
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assert.strictEqual( lightbox.$main.hasClass( 'jq-fullscreened' ) , false,
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'Fullscreened area doesn\'t have the fullscreen class anymore');
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assert.strictEqual( lightbox.isFullscreen , false, 'Lightbox knows it\'s not in fullscreen mode');
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// Unattach lightbox from document
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lightbox.unattach();
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$.fn.enterFullscreen = oldFnEnterFullscreen;
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$.fn.exitFullscreen = oldFnExitFullscreen;
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$.support.fullscreen = oldSupportFullscreen;
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restoreScrollTo();
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} );
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QUnit.test( 'Fullscreen mode', 8, function ( assert ) {
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var lightbox = new mw.mmv.LightboxInterface(),
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viewer = new mw.mmv.MultimediaViewer(),
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oldFnEnterFullscreen = $.fn.enterFullscreen,
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oldFnExitFullscreen = $.fn.exitFullscreen,
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oldRevealButtonsAndFadeIfNeeded,
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buttonOffset;
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stubScrollTo();
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// ugly hack to avoid preloading which would require lightbox list being set up
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viewer.preloadDistance = -1;
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// Since we don't want these tests to really open fullscreen
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// which is subject to user security confirmation,
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// we use a mock that pretends regular jquery.fullscreen behavior happened
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$.fn.enterFullscreen = mw.mmv.testHelpers.enterFullscreenMock;
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$.fn.exitFullscreen = mw.mmv.testHelpers.exitFullscreenMock;
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// Attach lightbox to testing fixture to avoid interference with other tests.
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lightbox.attach( '#qunit-fixture' );
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viewer.ui = lightbox;
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viewer.ui = lightbox;
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assert.ok( !lightbox.isFullscreen, 'Lightbox knows that it\'s not in fullscreen mode' );
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assert.ok( lightbox.panel.$imageMetadata.is( ':visible' ), 'Image metadata is visible' );
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lightbox.buttons.fadeOut = function() {
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assert.ok( true, 'Opening fullscreen triggers a fadeout' );
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};
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// Pretend that the mouse cursor is on top of the button
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buttonOffset = lightbox.buttons.$fullscreen.offset();
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lightbox.mousePosition = { x: buttonOffset.left, y: buttonOffset.top };
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// Enter fullscreen
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lightbox.buttons.$fullscreen.click();
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lightbox.buttons.fadeOut = $.noop;
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assert.ok( lightbox.isFullscreen, 'Lightbox knows that it\'s in fullscreen mode' );
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oldRevealButtonsAndFadeIfNeeded = lightbox.buttons.revealAndFade;
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lightbox.buttons.revealAndFade = function( position ) {
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assert.ok( true, 'Moving the cursor triggers a reveal + fade' );
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oldRevealButtonsAndFadeIfNeeded.call( this, position );
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};
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// Pretend that the mouse cursor moved to the top-left corner
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lightbox.mousemove( { pageX: 0, pageY: 0 } );
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lightbox.buttons.revealAndFadeIfNeeded = $.noop;
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assert.ok( !lightbox.panel.$imageMetadata.is( ':visible' ), 'Image metadata is hidden' );
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// Exiting fullscreen
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lightbox.buttons.$fullscreen.click();
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assert.ok( lightbox.panel.$imageMetadata.is( ':visible' ), 'Image metadata is visible' );
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assert.ok( !lightbox.isFullscreen, 'Lightbox knows that it\'s not in fullscreen mode' );
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// Unattach lightbox from document
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lightbox.unattach();
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$.fn.enterFullscreen = oldFnEnterFullscreen;
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$.fn.exitFullscreen = oldFnExitFullscreen;
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restoreScrollTo();
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} );
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QUnit.test( 'isAnyActiveButtonHovered', 20, function ( assert ) {
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var lightbox = new mw.mmv.LightboxInterface();
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stubScrollTo();
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// Attach lightbox to testing fixture to avoid interference with other tests.
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lightbox.attach( '#qunit-fixture' );
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$.each ( lightbox.buttons.$buttons, function ( idx, e ) {
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var $e = $( e ),
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offset = $e.show().offset(),
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width = $e.width(),
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height = $e.height(),
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disabled = $e.hasClass( 'disabled' );
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assert.strictEqual( lightbox.buttons.isAnyActiveButtonHovered( offset.left, offset.top ),
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!disabled,
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'Hover detection works for top-left corner of element' );
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assert.strictEqual( lightbox.buttons.isAnyActiveButtonHovered( offset.left + width, offset.top ),
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!disabled,
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'Hover detection works for top-right corner of element' );
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assert.strictEqual( lightbox.buttons.isAnyActiveButtonHovered( offset.left, offset.top + height ),
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!disabled,
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'Hover detection works for bottom-left corner of element' );
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assert.strictEqual( lightbox.buttons.isAnyActiveButtonHovered( offset.left + width, offset.top + height ),
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!disabled,
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'Hover detection works for bottom-right corner of element' );
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assert.strictEqual( lightbox.buttons.isAnyActiveButtonHovered(
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offset.left + ( width / 2 ), offset.top + ( height / 2 ) ),
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!disabled,
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'Hover detection works for center of element' );
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} );
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// Unattach lightbox from document
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lightbox.unattach();
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restoreScrollTo();
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} );
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QUnit.test( 'Metadata scrolling', 15, function ( assert ) {
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var ui = new mw.mmv.LightboxInterface(),
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keydown = $.Event( 'keydown' ),
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$document = $( document ),
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scrollTopBeforeOpeningLightbox,
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originalJQueryScrollTop = $.fn.scrollTop,
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memorizedScrollToScroll = 0,
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originalJQueryScrollTo = $.scrollTo;
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// We need to set up a proxy on the jQuery scrollTop function
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// that will let us pretend that the document really scrolled
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// and that will return values as if the scroll happened
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$.fn.scrollTop = function ( scrollTop ) {
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// On some browsers $.scrollTo() != $document
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if ( $.scrollTo().is( this ) ) {
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if ( scrollTop !== undefined ) {
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memorizedScrollToScroll = scrollTop;
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return this;
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} else {
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return memorizedScrollToScroll;
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}
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}
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return originalJQueryScrollTop.call( this, scrollTop );
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};
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// Same idea as above, for the scrollTo plugin
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$.scrollTo = function ( scrollTo ) {
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var $element;
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if ( scrollTo !== undefined ) {
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memorizedScrollToScroll = scrollTo;
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}
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$element = originalJQueryScrollTo.call( this, scrollTo, 0 );
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if ( scrollTo !== undefined ) {
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// Trigger event manually
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ui.panel.scroll();
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}
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return $element;
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};
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// First phase of the test: up and down arrows
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ui.panel.hasAnimatedMetadata = false;
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localStorage.removeItem( 'mmv.hasOpenedMetadata' );
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// Attach lightbox to testing fixture to avoid interference with other tests.
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ui.attach( '#qunit-fixture' );
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assert.strictEqual( $.scrollTo().scrollTop(), 0, 'scrollTo scrollTop should be set to 0' );
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assert.ok( !ui.panel.$dragIcon.hasClass( 'pointing-down' ),
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'Chevron pointing up' );
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assert.ok( !localStorage.getItem( 'mmv.hasOpenedMetadata' ),
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'The metadata hasn\'t been open yet, no entry in localStorage' );
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keydown.which = 38; // Up arrow
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$document.trigger( keydown );
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assert.strictEqual( Math.round( $.scrollTo().scrollTop() ),
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ui.panel.$imageMetadata.outerHeight(),
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'scrollTo scrollTop should be set to the metadata height after pressing up arrow' );
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assert.ok( ui.panel.$dragIcon.hasClass( 'pointing-down' ),
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'Chevron pointing down after pressing up arrow' );
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assert.ok( localStorage.getItem( 'mmv.hasOpenedMetadata' ),
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'localStorage knows that the metadata has been open' );
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keydown.which = 40; // Down arrow
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$document.trigger( keydown );
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assert.strictEqual( $.scrollTo().scrollTop(), 0,
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'scrollTo scrollTop should be set to 0 after pressing down arrow' );
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assert.ok( !ui.panel.$dragIcon.hasClass( 'pointing-down' ),
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'Chevron pointing up after pressing down arrow' );
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ui.panel.$dragIcon.click();
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assert.strictEqual( Math.round( $.scrollTo().scrollTop() ),
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ui.panel.$imageMetadata.outerHeight(),
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'scrollTo scrollTop should be set to the metadata height after clicking the chevron once' );
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assert.ok( ui.panel.$dragIcon.hasClass( 'pointing-down' ),
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'Chevron pointing down after clicking the chevron once' );
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ui.panel.$dragIcon.click();
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assert.strictEqual( $.scrollTo().scrollTop(), 0,
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'scrollTo scrollTop should be set to 0 after clicking the chevron twice' );
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assert.ok( !ui.panel.$dragIcon.hasClass( 'pointing-down' ),
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'Chevron pointing up after clicking the chevron twice' );
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// Unattach lightbox from document
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ui.unattach();
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// Second phase of the test: scroll memory
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// Scroll down a little bit to check that the scroll memory works
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$.scrollTo( 10, 0 );
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scrollTopBeforeOpeningLightbox = $.scrollTo().scrollTop();
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// Attach lightbox to testing fixture to avoid interference with other tests.
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ui.attach( '#qunit-fixture' );
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// To make sure that the details are out of view, the lightbox is supposed to scroll to the top when open
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assert.strictEqual( $.scrollTo().scrollTop(), 0, 'Page scrollTop should be set to 0' );
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// Scroll down to check that the scrollTop memory doesn't affect prev/next (bug 59861)
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$.scrollTo( 20, 0 );
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// This extra attach() call simulates the effect of prev/next seen in bug 59861
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ui.attach( '#qunit-fixture' );
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// The lightbox was already open at this point, the scrollTop should be left untouched
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assert.strictEqual( $.scrollTo().scrollTop(), 20, 'Page scrollTop should be set to 20' );
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// Unattach lightbox from document
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ui.unattach();
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// Lightbox is supposed to restore the document scrollTop value that was set prior to opening it
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assert.strictEqual( $.scrollTo().scrollTop(), scrollTopBeforeOpeningLightbox, 'document scrollTop value has been restored correctly' );
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// Let's restore all originals, to make sure this test is free of side-effect
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$.fn.scrollTop = originalJQueryScrollTop;
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$.scrollTo = originalJQueryScrollTo;
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} );
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QUnit.test( 'Keyboard prev/next', 2, function ( assert ) {
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var viewer = new mw.mmv.MultimediaViewer(),
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lightbox = new mw.mmv.LightboxInterface();
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viewer.setupEventHandlers();
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// Since we define both, the test works regardless of RTL settings
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viewer.nextImage = function () {
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assert.ok( true, 'Next image was open' );
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};
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viewer.prevImage = function () {
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assert.ok( true, 'Prev image was open' );
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};
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// 37 is left arrow, 39 is right arrow
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lightbox.keydown( $.Event( 'keydown', { which : 37 } ) );
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lightbox.keydown( $.Event( 'keydown', { which : 39 } ) );
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viewer.nextImage = function () {
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assert.ok( false, 'Next image should not have been open' );
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};
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viewer.prevImage = function () {
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assert.ok( false, 'Prev image should not have been open' );
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};
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lightbox.keydown( $.Event( 'keydown', { which : 37, altKey : true } ) );
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lightbox.keydown( $.Event( 'keydown', { which : 39, altKey : true } ) );
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lightbox.keydown( $.Event( 'keydown', { which : 37, ctrlKey : true } ) );
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lightbox.keydown( $.Event( 'keydown', { which : 39, ctrlKey : true } ) );
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lightbox.keydown( $.Event( 'keydown', { which : 37, shiftKey : true } ) );
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lightbox.keydown( $.Event( 'keydown', { which : 39, shiftKey : true } ) );
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lightbox.keydown( $.Event( 'keydown', { which : 37, metaKey : true } ) );
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lightbox.keydown( $.Event( 'keydown', { which : 39, metaKey : true } ) );
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viewer.cleanupEventHandlers();
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} );
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}( mediaWiki, jQuery ) );
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