chrome/browser/resources/md_downloads/toolbar.js

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 cr.define('downloads', function() {
   6   var Toolbar = Polymer({
   7     is: 'downloads-toolbar',
   8
   9     /** @param {!downloads.ActionService} actionService */
  10     setActionService: function(actionService) {
  11       /** @private {!downloads.ActionService} */
  12       this.actionService_ = actionService;
  13     },
  14
  15     properties: {
  16       downloadsShowing: {
  17         reflectToAttribute: true,
  18         type: Boolean,
  19         value: false,
  20         observer: 'onDownloadsShowingChange_',
  21       },
  22
  23       showingSearch_: {
  24         type: Boolean,
  25         value: false,
  26       },
  27     },
  28
  29     /** @return {boolean} Whether removal can be undone. */
  30     canUndo: function() {
  31       return this.$['search-input'] != this.shadowRoot.activeElement;
  32     },
  33
  34     /** @return {boolean} Whether "Clear all" should be allowed. */
  35     canClearAll: function() {
  36       return !this.$['search-input'].value && this.downloadsShowing;
  37     },
  38
  39     /** @private */
  40     onClearAllClick_: function() {
  41       assert(this.canClearAll());
  42       this.actionService_.clearAll();
  43     },
  44
  45     /** @private */
  46     onDownloadsShowingChange_: function() {
  47       this.updateClearAll_();
  48     },
  49
  50     /** @private */
  51     onSearchTermSearch_: function() {
  52       this.actionService_.search(this.$['search-input'].value);
  53       this.updateClearAll_();
  54     },
  55
  56     /** @private */
  57     onSearchTermKeydown_: function(e) {
  58       assert(this.showingSearch_);
  59       if (e.keyIdentifier == 'U+001B')  // Escape.
  60         this.toggleShowingSearch_();
  61     },
  62
  63     /** @private */
  64     onOpenDownloadsFolderClick_: function() {
  65       this.actionService_.openDownloadsFolder();
  66     },
  67
  68     /** @private */
  69     toggleShowingSearch_: function() {
  70       this.showingSearch_ = !this.showingSearch_;
  71
  72       if (this.showingSearch_) {
  73         this.$['search-input'].focus();
  74       } else {
  75         this.$['search-input'].value = '';
  76         this.onSearchTermSearch_();
  77       }
  78     },
  79
  80     /** @private */
  81     updateClearAll_: function() {
  82       this.$$('#actions .clear-all').hidden = !this.canClearAll();
  83       this.$$('paper-menu .clear-all').hidden = !this.canClearAll();
  84     },
  85   });
  86
  87   return {Toolbar: Toolbar};
  88 });
  89
  90 // TODO(dbeam): https://github.com/PolymerElements/iron-dropdown/pull/16/files
  91 /** @suppress {checkTypes} */
  92 (function() {
  93 Polymer.IronDropdownScrollManager.pushScrollLock = function() {};
  94 })();