polygerrit-ui/app/elements/shared/gr-copy-clipboard/gr-copy-clipboard.js

// Copyright (C) 2017 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
(function() {
  'use strict';

  const COPY_TIMEOUT_MS = 1000;

  Polymer({
    is: 'gr-copy-clipboard',

    properties: {
      text: String,
      title: String,
      hideInput: {
        type: Boolean,
        value: false,
      },
    },

    focusOnCopy() {
      this.$.button.focus();
    },

    _computeInputClass(hideInput) {
      return hideInput ? 'hideInput' : '';
    },

    _handleInputTap(e) {
      e.preventDefault();
      Polymer.dom(e).rootTarget.select();
    },

    _copyToClipboard(e) {
      this.$.input.select();
      document.execCommand('copy');
      window.getSelection().removeAllRanges();
      e.target.textContent = 'done';
      this.async(() => { e.target.textContent = 'copy'; }, COPY_TIMEOUT_MS);
    },
  });
})();