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focusobserver.js 5.8 KB

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  1. /**
  2. * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md.
  4. */
  5. /* globals document */
  6. import FocusObserver from '../../../src/view/observer/focusobserver';
  7. import ViewDocument from '../../../src/view/document';
  8. import ViewRange from '../../../src/view/range';
  9. import createViewRoot from '../_utils/createroot';
  10. import { setData } from '../../../src/dev-utils/view';
  11. describe( 'FocusObserver', () => {
  12. let viewDocument, observer;
  13. beforeEach( () => {
  14. viewDocument = new ViewDocument();
  15. observer = viewDocument.getObserver( FocusObserver );
  16. } );
  17. afterEach( () => {
  18. viewDocument.destroy();
  19. } );
  20. it( 'should define domEventType', () => {
  21. expect( observer.domEventType ).to.deep.equal( [ 'focus', 'blur' ] );
  22. } );
  23. it( 'should use capturing phase', () => {
  24. expect( observer.useCapture ).to.be.true;
  25. } );
  26. describe( 'onDomEvent', () => {
  27. it( 'should fire focus with the right event data', () => {
  28. const spy = sinon.spy();
  29. viewDocument.on( 'focus', spy );
  30. observer.onDomEvent( { type: 'focus', target: document.body } );
  31. expect( spy.calledOnce ).to.be.true;
  32. const data = spy.args[ 0 ][ 1 ];
  33. expect( data.domTarget ).to.equal( document.body );
  34. } );
  35. it( 'should fire blur with the right event data', () => {
  36. const spy = sinon.spy();
  37. viewDocument.on( 'blur', spy );
  38. observer.onDomEvent( { type: 'blur', target: document.body } );
  39. expect( spy.calledOnce ).to.be.true;
  40. const data = spy.args[ 0 ][ 1 ];
  41. expect( data.domTarget ).to.equal( document.body );
  42. } );
  43. it( 'should render document after blurring', () => {
  44. const renderSpy = sinon.spy( viewDocument, 'render' );
  45. observer.onDomEvent( { type: 'blur', target: document.body } );
  46. sinon.assert.calledOnce( renderSpy );
  47. } );
  48. } );
  49. describe( 'handle isFocused property of the document', () => {
  50. let domMain, domHeader, viewMain;
  51. beforeEach( () => {
  52. domMain = document.createElement( 'div' );
  53. domHeader = document.createElement( 'h1' );
  54. viewMain = createViewRoot( viewDocument );
  55. viewDocument.attachDomRoot( domMain );
  56. } );
  57. it( 'should set isFocused to true on focus', () => {
  58. observer.onDomEvent( { type: 'focus', target: domMain } );
  59. expect( viewDocument.isFocused ).to.equal( true );
  60. } );
  61. it( 'should set isFocused to false on blur', () => {
  62. observer.onDomEvent( { type: 'focus', target: domMain } );
  63. expect( viewDocument.isFocused ).to.equal( true );
  64. observer.onDomEvent( { type: 'blur', target: domMain } );
  65. expect( viewDocument.isFocused ).to.be.false;
  66. } );
  67. it( 'should set isFocused to false on blur when selection in same editable', () => {
  68. viewDocument.selection.addRange( ViewRange.createFromParentsAndOffsets( viewMain, 0, viewMain, 0 ) );
  69. observer.onDomEvent( { type: 'focus', target: domMain } );
  70. expect( viewDocument.isFocused ).to.equal( true );
  71. observer.onDomEvent( { type: 'blur', target: domMain } );
  72. expect( viewDocument.isFocused ).to.be.false;
  73. } );
  74. it( 'should not set isFocused to false on blur when it is fired on other editable', () => {
  75. viewDocument.selection.addRange( ViewRange.createFromParentsAndOffsets( viewMain, 0, viewMain, 0 ) );
  76. observer.onDomEvent( { type: 'focus', target: domMain } );
  77. expect( viewDocument.isFocused ).to.equal( true );
  78. observer.onDomEvent( { type: 'blur', target: domHeader } );
  79. expect( viewDocument.isFocused ).to.be.true;
  80. } );
  81. it( 'should delay rendering by 50ms', () => {
  82. const renderSpy = sinon.spy( viewDocument, 'render' );
  83. const clock = sinon.useFakeTimers();
  84. observer.onDomEvent( { type: 'focus', target: domMain } );
  85. sinon.assert.notCalled( renderSpy );
  86. clock.tick( 50 );
  87. sinon.assert.called( renderSpy );
  88. clock.restore();
  89. } );
  90. it( 'should not call render if destroyed', () => {
  91. const renderSpy = sinon.spy( viewDocument, 'render' );
  92. const clock = sinon.useFakeTimers();
  93. observer.onDomEvent( { type: 'focus', target: domMain } );
  94. sinon.assert.notCalled( renderSpy );
  95. observer.destroy();
  96. clock.tick( 50 );
  97. sinon.assert.notCalled( renderSpy );
  98. clock.restore();
  99. } );
  100. } );
  101. describe( 'integration test', () => {
  102. let viewDocument, domRoot, observer;
  103. beforeEach( () => {
  104. domRoot = document.createElement( 'div' );
  105. document.body.appendChild( domRoot );
  106. viewDocument = new ViewDocument();
  107. createViewRoot( viewDocument );
  108. viewDocument.attachDomRoot( domRoot );
  109. observer = viewDocument.getObserver( FocusObserver );
  110. } );
  111. it( 'should always render document after selectionChange event', done => {
  112. const selectionChangeSpy = sinon.spy();
  113. const renderSpy = sinon.spy();
  114. setData( viewDocument, '<div contenteditable="true">foo bar</div>' );
  115. viewDocument.render();
  116. viewDocument.on( 'selectionChange', selectionChangeSpy );
  117. viewDocument.on( 'render', renderSpy, { priority: 'low' } );
  118. viewDocument.on( 'render', () => {
  119. sinon.assert.callOrder( selectionChangeSpy, renderSpy );
  120. done();
  121. }, { priority: 'low' } );
  122. // Mock selectionchange event after focus event. Render called by focus observer should be fired after
  123. // async selection change.
  124. viewDocument.fire( 'focus' );
  125. viewDocument.fire( 'selectionChange' );
  126. } );
  127. it( 'should render without selectionChange event', done => {
  128. const selectionChangeSpy = sinon.spy();
  129. const renderSpy = sinon.spy();
  130. setData( viewDocument, '<div contenteditable="true">foo bar</div>' );
  131. viewDocument.render();
  132. const domEditable = domRoot.childNodes[ 0 ];
  133. viewDocument.on( 'selectionChange', selectionChangeSpy );
  134. viewDocument.on( 'render', renderSpy, { priority: 'low' } );
  135. viewDocument.on( 'render', () => {
  136. sinon.assert.notCalled( selectionChangeSpy );
  137. sinon.assert.called( renderSpy );
  138. done();
  139. }, { priority: 'low' } );
  140. observer.onDomEvent( { type: 'focus', target: domEditable } );
  141. } );
  142. } );
  143. } );