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Blink Reformat
4c46d0969f
Move and rename files. NOAUTOREVERT=true NOPRESUBMIT=true NOTREECHECKS=true Bug: 768828 TBR=darin@chromium.org NOTRY=true Change-Id: I66d3b155808bc5bdbf237b80208e1e552bcf7f28 Reviewed-on: https://chromium-review.googlesource.com/1001153 Reviewed-by: Blink Reformat <blink-reformat@chromium.org> Commit-Queue: Blink Reformat <blink-reformat@chromium.org> Cr-Original-Commit-Position: refs/heads/master@{#549061} Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src Cr-Mirrored-Commit: 0aee4434a4dba42a42abaea9bfbc0cd196a63bc1
63 lines
2.0 KiB
JavaScript
63 lines
2.0 KiB
JavaScript
// Copyright (c) 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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/**
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* @unrestricted
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*/
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UI.HistoryInput = class extends HTMLInputElement {
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/**
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* @return {!UI.HistoryInput}
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*/
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static create() {
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if (!UI.HistoryInput._constructor)
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UI.HistoryInput._constructor = UI.registerCustomElement('input', 'history-input', UI.HistoryInput.prototype);
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return /** @type {!UI.HistoryInput} */ (new UI.HistoryInput._constructor());
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}
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/**
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* @override
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*/
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createdCallback() {
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this._history = [''];
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this._historyPosition = 0;
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this.addEventListener('keydown', this._onKeyDown.bind(this), false);
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this.addEventListener('input', this._onInput.bind(this), false);
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}
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/**
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* @param {!Event} event
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*/
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_onInput(event) {
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if (this._history.length === this._historyPosition + 1)
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this._history[this._history.length - 1] = this.value;
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}
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/**
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* @param {!Event} event
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*/
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_onKeyDown(event) {
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if (event.keyCode === UI.KeyboardShortcut.Keys.Up.code) {
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this._historyPosition = Math.max(this._historyPosition - 1, 0);
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this.value = this._history[this._historyPosition];
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this.dispatchEvent(new Event('input', {'bubbles': true, 'cancelable': true}));
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event.consume(true);
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} else if (event.keyCode === UI.KeyboardShortcut.Keys.Down.code) {
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this._historyPosition = Math.min(this._historyPosition + 1, this._history.length - 1);
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this.value = this._history[this._historyPosition];
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this.dispatchEvent(new Event('input', {'bubbles': true, 'cancelable': true}));
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event.consume(true);
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} else if (event.keyCode === UI.KeyboardShortcut.Keys.Enter.code) {
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this._saveToHistory();
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}
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}
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_saveToHistory() {
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if (this._history.length > 1 && this._history[this._history.length - 2] === this.value)
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return;
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this._history[this._history.length - 1] = this.value;
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this._historyPosition = this._history.length - 1;
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this._history.push('');
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}
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};
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