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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 /** | |
| 5 * @unrestricted | |
| 6 */ | |
| 7 UI.SwatchPopoverHelper = class extends Common.Object { | |
| 8 constructor() { | |
| 9 super(); | |
| 10 this._popover = new UI.Popover(); | |
| 11 this._popover.setCanShrink(false); | |
| 12 this._popover.setNoPadding(true); | |
| 13 this._popover.element.addEventListener('mousedown', (e) => e.consume(), fals
e); | |
| 14 | |
| 15 this._hideProxy = this.hide.bind(this, true); | |
| 16 this._boundOnKeyDown = this._onKeyDown.bind(this); | |
| 17 this._boundFocusOut = this._onFocusOut.bind(this); | |
| 18 this._isHidden = true; | |
| 19 } | |
| 20 | |
| 21 /** | |
| 22 * @param {!Event} event | |
| 23 */ | |
| 24 _onFocusOut(event) { | |
| 25 if (!event.relatedTarget || event.relatedTarget.isSelfOrDescendant(this._vie
w.contentElement)) | |
| 26 return; | |
| 27 this._hideProxy(); | |
| 28 } | |
| 29 | |
| 30 /** | |
| 31 * @return {boolean} | |
| 32 */ | |
| 33 isShowing() { | |
| 34 return this._popover.isShowing(); | |
| 35 } | |
| 36 | |
| 37 /** | |
| 38 * @param {!UI.Widget} view | |
| 39 * @param {!Element} anchorElement | |
| 40 * @param {function(boolean)=} hiddenCallback | |
| 41 */ | |
| 42 show(view, anchorElement, hiddenCallback) { | |
| 43 if (this._popover.isShowing()) { | |
| 44 if (this._anchorElement === anchorElement) | |
| 45 return; | |
| 46 | |
| 47 // Reopen the picker for another anchor element. | |
| 48 this.hide(true); | |
| 49 } | |
| 50 | |
| 51 delete this._isHidden; | |
| 52 this._anchorElement = anchorElement; | |
| 53 this._view = view; | |
| 54 this._hiddenCallback = hiddenCallback; | |
| 55 this.reposition(); | |
| 56 view.focus(); | |
| 57 | |
| 58 var document = this._popover.element.ownerDocument; | |
| 59 document.addEventListener('mousedown', this._hideProxy, false); | |
| 60 document.defaultView.addEventListener('resize', this._hideProxy, false); | |
| 61 this._view.contentElement.addEventListener('keydown', this._boundOnKeyDown,
false); | |
| 62 } | |
| 63 | |
| 64 reposition() { | |
| 65 // Unbind "blur" listener to avoid reenterability: |popover.showView| will h
ide the popover and trigger it synchronously. | |
| 66 this._view.contentElement.removeEventListener('focusout', this._boundFocusOu
t, false); | |
| 67 this._popover.showView(this._view, this._anchorElement); | |
| 68 this._view.contentElement.addEventListener('focusout', this._boundFocusOut,
false); | |
| 69 if (!this._focusRestorer) | |
| 70 this._focusRestorer = new UI.WidgetFocusRestorer(this._view); | |
| 71 } | |
| 72 | |
| 73 /** | |
| 74 * @param {boolean=} commitEdit | |
| 75 */ | |
| 76 hide(commitEdit) { | |
| 77 if (this._isHidden) | |
| 78 return; | |
| 79 var document = this._popover.element.ownerDocument; | |
| 80 this._isHidden = true; | |
| 81 this._popover.hide(); | |
| 82 | |
| 83 document.removeEventListener('mousedown', this._hideProxy, false); | |
| 84 document.defaultView.removeEventListener('resize', this._hideProxy, false); | |
| 85 | |
| 86 if (this._hiddenCallback) | |
| 87 this._hiddenCallback.call(null, !!commitEdit); | |
| 88 | |
| 89 this._focusRestorer.restore(); | |
| 90 delete this._anchorElement; | |
| 91 if (this._view) { | |
| 92 this._view.detach(); | |
| 93 this._view.contentElement.removeEventListener('keydown', this._boundOnKeyD
own, false); | |
| 94 this._view.contentElement.removeEventListener('focusout', this._boundFocus
Out, false); | |
| 95 delete this._view; | |
| 96 } | |
| 97 } | |
| 98 | |
| 99 /** | |
| 100 * @param {!Event} event | |
| 101 */ | |
| 102 _onKeyDown(event) { | |
| 103 if (event.key === 'Enter') { | |
| 104 this.hide(true); | |
| 105 event.consume(true); | |
| 106 return; | |
| 107 } | |
| 108 if (event.key === 'Escape') { | |
| 109 this.hide(false); | |
| 110 event.consume(true); | |
| 111 } | |
| 112 } | |
| 113 }; | |
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