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// Copyright (C) 2016 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(window) {
  'use strict';

  function GrPluginActionContext(plugin, action, change, revision) {
    this.action = action;
    this.plugin = plugin;
    this.change = change;
    this.revision = revision;
    this._popups = [];
  }

  GrPluginActionContext.prototype.popup = function(element) {
    this._popups.push(this.plugin.deprecated.popup(element));
  };

  GrPluginActionContext.prototype.hide = function() {
    for (const popupApi of this._popups) {
      popupApi.close();
    }
    this._popups.splice(0);
  };

  GrPluginActionContext.prototype.refresh = function() {
    window.location.reload();
  };

  GrPluginActionContext.prototype.textfield = function() {
    return document.createElement('paper-input');
  };

  GrPluginActionContext.prototype.br = function() {
    return document.createElement('br');
  };

  GrPluginActionContext.prototype.msg = function(text) {
    const label = document.createElement('gr-label');
    Polymer.dom(label).appendChild(document.createTextNode(text));
    return label;
  };

  GrPluginActionContext.prototype.div = function(...els) {
    const div = document.createElement('div');
    for (const el of els) {
      Polymer.dom(div).appendChild(el);
    }
    return div;
  };

  GrPluginActionContext.prototype.button = function(label, callbacks) {
    const onClick = callbacks && callbacks.onclick;
    const button = document.createElement('gr-button');
    Polymer.dom(button).appendChild(document.createTextNode(label));
    if (onClick) {
      this.plugin.eventHelper(button).onTap(onClick);
    }
    return button;
  };

  GrPluginActionContext.prototype.checkbox = function() {
    const checkbox = document.createElement('input');
    checkbox.type = 'checkbox';
    return checkbox;
  };

  GrPluginActionContext.prototype.label = function(checkbox, title) {
    return this.div(checkbox, this.msg(title));
  };

  GrPluginActionContext.prototype.prependLabel = function(title, checkbox) {
    return this.label(checkbox, title);
  };

  GrPluginActionContext.prototype.call = function(payload, onSuccess) {
    if (!this.action.__url) {
      console.warn(`Unable to ${this.action.method} to ${this.action.__key}!`);
      return;
    }
    this.plugin.restApi()
        .send(this.action.method, this.action.__url, payload)
        .then(onSuccess);
  };

  window.GrPluginActionContext = GrPluginActionContext;
})(window);