/** * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license */ /* globals document */ import FocusObserver from '../../../src/view/observer/focusobserver'; import View from '../../../src/view/view'; import createViewRoot from '../_utils/createroot'; import { setData } from '../../../src/dev-utils/view'; import { StylesProcessor } from '../../../src/view/stylesmap'; describe( 'FocusObserver', () => { let view, viewDocument, observer; beforeEach( () => { view = new View( new StylesProcessor() ); viewDocument = view.document; observer = view.getObserver( FocusObserver ); } ); afterEach( () => { view.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(); view.on( 'render', renderSpy ); observer.onDomEvent( { type: 'blur', target: document.body } ); sinon.assert.calledOnce( renderSpy ); } ); } ); describe( 'handle isFocused property of the document', () => { let domMain, domHeader, viewMain; beforeEach( () => { domMain = document.createElement( 'div' ); domHeader = document.createElement( 'h1' ); viewMain = createViewRoot( viewDocument ); view.attachDomRoot( domMain ); } ); 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', () => { view.change( writer => { writer.setSelection( 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', () => { view.change( writer => { writer.setSelection( 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 by 50ms', () => { const renderSpy = sinon.spy(); view.on( 'render', renderSpy ); const clock = sinon.useFakeTimers(); observer.onDomEvent( { type: 'focus', target: domMain } ); sinon.assert.notCalled( renderSpy ); clock.tick( 50 ); sinon.assert.called( renderSpy ); clock.restore(); } ); it( 'should not call render if destroyed', () => { const renderSpy = sinon.spy(); view.on( 'render', renderSpy ); const clock = sinon.useFakeTimers(); observer.onDomEvent( { type: 'focus', target: domMain } ); sinon.assert.notCalled( renderSpy ); observer.destroy(); clock.tick( 50 ); sinon.assert.notCalled( renderSpy ); clock.restore(); } ); } ); describe( 'integration test', () => { let viewDocument, domRoot, observer; beforeEach( () => { domRoot = document.createElement( 'div' ); document.body.appendChild( domRoot ); view = new View( new StylesProcessor() ); viewDocument = view.document; createViewRoot( viewDocument ); view.attachDomRoot( domRoot ); observer = view.getObserver( FocusObserver ); } ); afterEach( () => { view.destroy(); domRoot.remove(); } ); it( 'should always render document after selectionChange event', done => { const selectionChangeSpy = sinon.spy(); const renderSpy = sinon.spy(); setData( view, '