The Tor Browser: browser/base/content/newtab/undo.js@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 #ifdef 0

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this file,

     4  * You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 #endif

     7 /**

     8  * Dialog allowing to undo the removal of single site or to completely restore

     9  * the grid's original state.

    10  */

    11 let gUndoDialog = {

    12   /**

    13    * The undo dialog's timeout in miliseconds.

    14    */

    15   HIDE_TIMEOUT_MS: 15000,

    17   /**

    18    * Contains undo information.

    19    */

    20   _undoData: null,

    22   /**

    23    * Initializes the undo dialog.

    24    */

    25   init: function UndoDialog_init() {

    26     this._undoContainer = document.getElementById("newtab-undo-container");

    27     this._undoContainer.addEventListener("click", this, false);

    28     this._undoButton = document.getElementById("newtab-undo-button");

    29     this._undoCloseButton = document.getElementById("newtab-undo-close-button");

    30     this._undoRestoreButton = document.getElementById("newtab-undo-restore-button");

    31   },

    33   /**

    34    * Shows the undo dialog.

    35    * @param aSite The site that just got removed.

    36    */

    37   show: function UndoDialog_show(aSite) {

    38     if (this._undoData)

    39       clearTimeout(this._undoData.timeout);

    41     this._undoData = {

    42       index: aSite.cell.index,

    43       wasPinned: aSite.isPinned(),

    44       blockedLink: aSite.link,

    45       timeout: setTimeout(this.hide.bind(this), this.HIDE_TIMEOUT_MS)

    46     };

    48     this._undoContainer.removeAttribute("undo-disabled");

    49     this._undoButton.removeAttribute("tabindex");

    50     this._undoCloseButton.removeAttribute("tabindex");

    51     this._undoRestoreButton.removeAttribute("tabindex");

    52   },

    54   /**

    55    * Hides the undo dialog.

    56    */

    57   hide: function UndoDialog_hide() {

    58     if (!this._undoData)

    59       return;

    61     clearTimeout(this._undoData.timeout);

    62     this._undoData = null;

    63     this._undoContainer.setAttribute("undo-disabled", "true");

    64     this._undoButton.setAttribute("tabindex", "-1");

    65     this._undoCloseButton.setAttribute("tabindex", "-1");

    66     this._undoRestoreButton.setAttribute("tabindex", "-1");

    67   },

    69   /**

    70    * The undo dialog event handler.

    71    * @param aEvent The event to handle.

    72    */

    73   handleEvent: function UndoDialog_handleEvent(aEvent) {

    74     switch (aEvent.target.id) {

    75       case "newtab-undo-button":

    76         this._undo();

    77         break;

    78       case "newtab-undo-restore-button":

    79         this._undoAll();

    80         break;

    81       case "newtab-undo-close-button":

    82         this.hide();

    83         break;

    84     }

    85   },

    87   /**

    88    * Undo the last blocked site.

    89    */

    90   _undo: function UndoDialog_undo() {

    91     if (!this._undoData)

    92       return;

    94     let {index, wasPinned, blockedLink} = this._undoData;

    95     gBlockedLinks.unblock(blockedLink);

    97     if (wasPinned) {

    98       gPinnedLinks.pin(blockedLink, index);

    99     }

   101     gUpdater.updateGrid();

   102     this.hide();

   103   },

   105   /**

   106    * Undo all blocked sites.

   107    */

   108   _undoAll: function UndoDialog_undoAll() {

   109     NewTabUtils.undoAll(function() {

   110       gUpdater.updateGrid();

   111       this.hide();

   112     }.bind(this));

   113   }

   114 };

   116 gUndoDialog.init();

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