/** * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.md. */ /* globals document, window */ import FocusObserver from '../../../src/view/observer/focusobserver'; import ViewDocument from '../../../src/view/document'; import ViewRange from '../../../src/view/range'; import { setData } from '../../../src/dev-utils/view'; describe( 'FocusObserver', () => { let viewDocument, observer; beforeEach( () => { viewDocument = new ViewDocument(); observer = viewDocument.getObserver( FocusObserver ); } ); afterEach( () => { viewDocument.destroy(); } ); it( 'should define domEventType', () => { expect( observer.domEventType ).to.deep.equal( [ 'focus', 'blur' ] ); } ); it( 'should use capturing phase', () => { expect( observer.useCapture ).to.be.true; } ); describe( 'onDomEvent', () => { it( 'should fire focus with the right event data', () => { const spy = sinon.spy(); viewDocument.on( 'focus', spy ); observer.onDomEvent( { type: 'focus', target: document.body } ); expect( spy.calledOnce ).to.be.true; const data = spy.args[ 0 ][ 1 ]; expect( data.domTarget ).to.equal( document.body ); } ); it( 'should fire blur with the right event data', () => { const spy = sinon.spy(); viewDocument.on( 'blur', spy ); observer.onDomEvent( { type: 'blur', target: document.body } ); expect( spy.calledOnce ).to.be.true; const data = spy.args[ 0 ][ 1 ]; expect( data.domTarget ).to.equal( document.body ); } ); it( 'should render document after blurring', () => { const renderSpy = sinon.spy( viewDocument, 'render' ); observer.onDomEvent( { type: 'blur', target: document.body } ); sinon.assert.calledOnce( renderSpy ); } ); } ); describe( 'handle isFocused property of the document', () => { let domMain, domHeader, viewMain, viewHeader; beforeEach( () => { domMain = document.createElement( 'div' ); domHeader = document.createElement( 'h1' ); viewMain = viewDocument.createRoot( domMain ); viewHeader = viewDocument.createRoot( domHeader, 'header' ); } ); it( 'should set isFocused to true on focus', () => { observer.onDomEvent( { type: 'focus', target: domMain } ); expect( viewDocument.isFocused ).to.equal( true ); } ); it( 'should set isFocused to false on blur', () => { observer.onDomEvent( { type: 'focus', target: domMain } ); expect( viewDocument.isFocused ).to.equal( true ); observer.onDomEvent( { type: 'blur', target: domMain } ); expect( viewDocument.isFocused ).to.be.false; } ); it( 'should set isFocused to false on blur when selection in same editable', () => { viewDocument.selection.addRange( ViewRange.createFromParentsAndOffsets( viewMain, 0, viewMain, 0 ) ); observer.onDomEvent( { type: 'focus', target: domMain } ); expect( viewDocument.isFocused ).to.equal( true ); observer.onDomEvent( { type: 'blur', target: domMain } ); expect( viewDocument.isFocused ).to.be.false; } ); it( 'should not set isFocused to false on blur when it is fired on other editable', () => { viewDocument.selection.addRange( ViewRange.createFromParentsAndOffsets( viewMain, 0, viewMain, 0 ) ); observer.onDomEvent( { type: 'focus', target: domMain } ); expect( viewDocument.isFocused ).to.equal( true ); observer.onDomEvent( { type: 'blur', target: domHeader } ); expect( viewDocument.isFocused ).to.be.true; } ); it( 'should delay rendering to the next iteration of event loop', () => { const renderSpy = sinon.spy( viewDocument, 'render' ); const clock = sinon.useFakeTimers(); observer.onDomEvent( { type: 'focus', target: domMain } ); sinon.assert.notCalled( renderSpy ); clock.tick( 0 ); sinon.assert.called( renderSpy ); clock.restore(); } ); it( 'should not call render if destroyed', () => { const renderSpy = sinon.spy( viewDocument, 'render' ); const clock = sinon.useFakeTimers(); observer.onDomEvent( { type: 'focus', target: domMain } ); sinon.assert.notCalled( renderSpy ); observer.destroy(); clock.tick( 0 ); sinon.assert.notCalled( renderSpy ); clock.restore(); } ); } ); describe( 'integration test', () => { let viewDocument, viewRoot, domRoot, observer, domSelection; beforeEach( () => { domRoot = document.createElement( 'div' ); document.body.appendChild( domRoot ); viewDocument = new ViewDocument(); viewRoot = viewDocument.createRoot( domRoot ); observer = viewDocument.getObserver( FocusObserver ); domSelection = window.getSelection(); } ); it( 'should render document after selectionChange event', ( done ) => { const selectionChangeSpy = sinon.spy(); const renderSpy = sinon.spy(); setData( viewDocument, '
foo bar
' ); viewDocument.render(); const domEditable = domRoot.childNodes[ 0 ]; viewDocument.on( 'selectionChange', selectionChangeSpy ); viewDocument.on( 'render', renderSpy, { priority: 'low' } ); viewDocument.on( 'render', () => { sinon.assert.callOrder( selectionChangeSpy, renderSpy ); done(); }, { priority: 'low' } ); observer.onDomEvent( { type: 'focus', target: domEditable } ); domSelection.collapse( domEditable, 0 ); } ); it( 'should render without selectionChange event', ( done ) => { const selectionChangeSpy = sinon.spy(); const renderSpy = sinon.spy(); setData( viewDocument, '
foo bar
' ); viewDocument.render(); const domEditable = domRoot.childNodes[ 0 ]; viewDocument.on( 'selectionChange', selectionChangeSpy ); viewDocument.on( 'render', renderSpy, { priority: 'low' } ); viewDocument.on( 'render', () => { sinon.assert.notCalled( selectionChangeSpy ); sinon.assert.called( renderSpy ); done(); }, { priority: 'low' } ); observer.onDomEvent( { type: 'focus', target: domEditable } ); } ); } ); } );