d82862984a
Enabling pointer-events would allow button title to be displayed on mouse hover, and blocking tap events would keep buttons from triggering actions. Bug: Issue 4443 Change-Id: I0867183e16d446a54d5521810039ec53d611318d
71 lines
1.6 KiB
JavaScript
71 lines
1.6 KiB
JavaScript
// Copyright (C) 2016 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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(function() {
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'use strict';
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Polymer({
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is: 'gr-button',
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properties: {
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disabled: {
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type: Boolean,
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observer: '_disabledChanged',
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reflectToAttribute: true,
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},
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_enabledTabindex: {
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type: String,
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value: '0',
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},
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},
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listeners: {
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'tap': '_handleAction',
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'click': '_handleAction',
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},
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behaviors: [
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Gerrit.KeyboardShortcutBehavior,
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Gerrit.TooltipBehavior,
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],
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hostAttributes: {
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role: 'button',
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tabindex: '0',
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},
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keyBindings: {
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'space enter': '_handleCommitKey',
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},
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_handleAction: function(e) {
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if (this.disabled) {
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e.preventDefault();
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e.stopImmediatePropagation();
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}
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},
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_disabledChanged: function(disabled) {
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if (disabled) {
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this._enabledTabindex = this.getAttribute('tabindex');
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}
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this.setAttribute('tabindex', disabled ? '-1' : this._enabledTabindex);
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},
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_handleCommitKey: function(e) {
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e.preventDefault();
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this.click();
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},
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});
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})();
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