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         type: Boolean,
  18         value: false,
  19         observer: 'onDownloadsShowingChange_',
  20       },
  21
  22       showingSearch_: {
  23         type: Boolean,
  24         value: false,
  25       },
  26     },
  27
  28     /** @return {boolean} Whether removal can be undone. */
  29     canUndo: function() {
  30       return !this.$['search-term'].shadowRoot.activeElement;
  31     },
  32
  33     /** @return {boolean} Whether "Clear all" should be allowed. */
  34     canClearAll: function() {
  35       return !this.$['search-input'].value && this.downloadsShowing;
  36     },
  37
  38     /** @private */
  39     onClearAllClick_: function() {
  40       assert(this.canClearAll());
  41       this.actionService_.clearAll();
  42     },
  43
  44     /** @private */
  45     onDownloadsShowingChange_: function() {
  46       this.updateClearAll_();
  47     },
  48
  49     /** @private */
  50     onSearchTermSearch_: function() {
  51       this.actionService_.search(this.$['search-input'].value);
  52       this.updateClearAll_();
  53     },
  54
  55     /** @private */
  56     onSearchTermKeydown_: function(e) {
  57       assert(this.showingSearch_);
  58       if (e.keyIdentifier == 'U+001B')  // Escape.
  59         this.toggleShowingSearch_();
  60     },
  61
  62     /** @private */
  63     onOpenDownloadsFolderClick_: function() {
  64       this.actionService_.openDownloadsFolder();
  65     },
  66
  67     /** @private */
  68     toggleShowingSearch_: function() {
  69       this.showingSearch_ = !this.showingSearch_;
  70
  71       if (this.showingSearch_) {
  72         this.$['search-input'].focus();
  73       } else {
  74         this.$['search-input'].value = '';
  75         this.onSearchTermSearch_();
  76       }
  77     },
  78
  79     /** @private */
  80     updateClearAll_: function() {
  81       this.$$('#actions .clear-all').hidden = !this.canClearAll();
  82       this.$$('paper-menu .clear-all').hidden = !this.canClearAll();
  83     },
  84   });
  85
  86   return {Toolbar: Toolbar};
  87 });
  88
  89 // TODO(dbeam): https://github.com/PolymerElements/iron-dropdown/pull/16/files
  90 /** @suppress {checkTypes} */
  91 (function() {
  92 Polymer.IronDropdownScrollManager.pushScrollLock = function() {};
  93 })();