6de1489147
A few changes: - Utilize mixins within gr-button internally, so less styles have to be overridden by elements implementing their own button styles. - All buttons have a hover background color, which is 12% black overlayed on top of its current background color. Bug: Issue 7894 Change-Id: I4f2879aa0232912267bbf1290a1c800d024099a6
116 lines
2.6 KiB
JavaScript
116 lines
2.6 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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tooltip: String,
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downArrow: {
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type: Boolean,
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reflectToAttribute: true,
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},
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link: {
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type: Boolean,
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value: false,
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reflectToAttribute: true,
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},
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raised: {
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type: Boolean,
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reflectToAttribute: true,
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computed: '_isRaised(link)',
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},
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loading: {
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type: Boolean,
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value: false,
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reflectToAttribute: true,
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},
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tertiary: {
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type: Boolean,
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value: false,
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reflectToAttribute: true,
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},
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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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noUppercase: {
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type: Boolean,
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value: false,
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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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keydown: '_handleKeydown',
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},
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observers: [
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'_computeDisabled(disabled, loading)',
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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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_isRaised(isLink) {
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return !isLink;
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},
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_handleAction(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(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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this.updateStyles();
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},
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_computeDisabled(disabled, loading) {
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return disabled || loading;
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},
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_handleKeydown(e) {
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if (this.modifierPressed(e)) { return; }
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e = this.getKeyboardEvent(e);
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// Handle `enter`, `space`.
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if (e.keyCode === 13 || e.keyCode === 32) {
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e.preventDefault();
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e.stopPropagation();
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this.click();
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}
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},
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});
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})();
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