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focusobserver.js 5.7 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, window */
  6. import FocusObserver from '../../../src/view/observer/focusobserver';
  7. import ViewDocument from '../../../src/view/document';
  8. import ViewRange from '../../../src/view/range';
  9. import { setData } from '../../../src/dev-utils/view';
  10. describe( 'FocusObserver', () => {
  11. let viewDocument, observer;
  12. beforeEach( () => {
  13. viewDocument = new ViewDocument();
  14. observer = viewDocument.getObserver( FocusObserver );
  15. } );
  16. afterEach( () => {
  17. viewDocument.destroy();
  18. } );
  19. it( 'should define domEventType', () => {
  20. expect( observer.domEventType ).to.deep.equal( [ 'focus', 'blur' ] );
  21. } );
  22. it( 'should use capturing phase', () => {
  23. expect( observer.useCapture ).to.be.true;
  24. } );
  25. describe( 'onDomEvent', () => {
  26. it( 'should fire focus with the right event data', () => {
  27. const spy = sinon.spy();
  28. viewDocument.on( 'focus', spy );
  29. observer.onDomEvent( { type: 'focus', target: document.body } );
  30. expect( spy.calledOnce ).to.be.true;
  31. const data = spy.args[ 0 ][ 1 ];
  32. expect( data.domTarget ).to.equal( document.body );
  33. } );
  34. it( 'should fire blur with the right event data', () => {
  35. const spy = sinon.spy();
  36. viewDocument.on( 'blur', spy );
  37. observer.onDomEvent( { type: 'blur', target: document.body } );
  38. expect( spy.calledOnce ).to.be.true;
  39. const data = spy.args[ 0 ][ 1 ];
  40. expect( data.domTarget ).to.equal( document.body );
  41. } );
  42. it( 'should render document after blurring', () => {
  43. const renderSpy = sinon.spy( viewDocument, 'render' );
  44. observer.onDomEvent( { type: 'blur', target: document.body } );
  45. sinon.assert.calledOnce( renderSpy );
  46. } );
  47. } );
  48. describe( 'handle isFocused property of the document', () => {
  49. let domMain, domHeader, viewMain;
  50. beforeEach( () => {
  51. domMain = document.createElement( 'div' );
  52. domHeader = document.createElement( 'h1' );
  53. viewMain = viewDocument.createRoot( domMain );
  54. } );
  55. it( 'should set isFocused to true on focus', () => {
  56. observer.onDomEvent( { type: 'focus', target: domMain } );
  57. expect( viewDocument.isFocused ).to.equal( true );
  58. } );
  59. it( 'should set isFocused to false on blur', () => {
  60. observer.onDomEvent( { type: 'focus', target: domMain } );
  61. expect( viewDocument.isFocused ).to.equal( true );
  62. observer.onDomEvent( { type: 'blur', target: domMain } );
  63. expect( viewDocument.isFocused ).to.be.false;
  64. } );
  65. it( 'should set isFocused to false on blur when selection in same editable', () => {
  66. viewDocument.selection.addRange( ViewRange.createFromParentsAndOffsets( viewMain, 0, viewMain, 0 ) );
  67. observer.onDomEvent( { type: 'focus', target: domMain } );
  68. expect( viewDocument.isFocused ).to.equal( true );
  69. observer.onDomEvent( { type: 'blur', target: domMain } );
  70. expect( viewDocument.isFocused ).to.be.false;
  71. } );
  72. it( 'should not set isFocused to false on blur when it is fired on other editable', () => {
  73. viewDocument.selection.addRange( ViewRange.createFromParentsAndOffsets( viewMain, 0, viewMain, 0 ) );
  74. observer.onDomEvent( { type: 'focus', target: domMain } );
  75. expect( viewDocument.isFocused ).to.equal( true );
  76. observer.onDomEvent( { type: 'blur', target: domHeader } );
  77. expect( viewDocument.isFocused ).to.be.true;
  78. } );
  79. it( 'should delay rendering to the next iteration of event loop', () => {
  80. const renderSpy = sinon.spy( viewDocument, 'render' );
  81. const clock = sinon.useFakeTimers();
  82. observer.onDomEvent( { type: 'focus', target: domMain } );
  83. sinon.assert.notCalled( renderSpy );
  84. clock.tick( 0 );
  85. sinon.assert.called( renderSpy );
  86. clock.restore();
  87. } );
  88. it( 'should not call render if destroyed', () => {
  89. const renderSpy = sinon.spy( viewDocument, 'render' );
  90. const clock = sinon.useFakeTimers();
  91. observer.onDomEvent( { type: 'focus', target: domMain } );
  92. sinon.assert.notCalled( renderSpy );
  93. observer.destroy();
  94. clock.tick( 0 );
  95. sinon.assert.notCalled( renderSpy );
  96. clock.restore();
  97. } );
  98. } );
  99. describe( 'integration test', () => {
  100. let viewDocument, domRoot, observer, domSelection;
  101. beforeEach( () => {
  102. domRoot = document.createElement( 'div' );
  103. document.body.appendChild( domRoot );
  104. viewDocument = new ViewDocument();
  105. viewDocument.createRoot( domRoot );
  106. observer = viewDocument.getObserver( FocusObserver );
  107. domSelection = window.getSelection();
  108. } );
  109. it( 'should render document after selectionChange event', done => {
  110. const selectionChangeSpy = sinon.spy();
  111. const renderSpy = sinon.spy();
  112. setData( viewDocument, '<div contenteditable="true">foo bar</div>' );
  113. viewDocument.render();
  114. const domEditable = domRoot.childNodes[ 0 ];
  115. viewDocument.on( 'selectionChange', selectionChangeSpy );
  116. viewDocument.on( 'render', renderSpy, { priority: 'low' } );
  117. viewDocument.on( 'render', () => {
  118. sinon.assert.callOrder( selectionChangeSpy, renderSpy );
  119. done();
  120. }, { priority: 'low' } );
  121. observer.onDomEvent( { type: 'focus', target: domEditable } );
  122. domSelection.collapse( domEditable, 0 );
  123. } );
  124. it( 'should render without selectionChange event', done => {
  125. const selectionChangeSpy = sinon.spy();
  126. const renderSpy = sinon.spy();
  127. setData( viewDocument, '<div contenteditable="true">foo bar</div>' );
  128. viewDocument.render();
  129. const domEditable = domRoot.childNodes[ 0 ];
  130. viewDocument.on( 'selectionChange', selectionChangeSpy );
  131. viewDocument.on( 'render', renderSpy, { priority: 'low' } );
  132. viewDocument.on( 'render', () => {
  133. sinon.assert.notCalled( selectionChangeSpy );
  134. sinon.assert.called( renderSpy );
  135. done();
  136. }, { priority: 'low' } );
  137. observer.onDomEvent( { type: 'focus', target: domEditable } );
  138. } );
  139. } );
  140. } );