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117 lines
2.9 KiB
JavaScript
117 lines
2.9 KiB
JavaScript
#ifdef 0
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#endif
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/**
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* Dialog allowing to undo the removal of single site or to completely restore
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* the grid's original state.
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*/
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var gUndoDialog = {
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/**
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* The undo dialog's timeout in miliseconds.
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*/
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HIDE_TIMEOUT_MS: 15000,
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/**
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* Contains undo information.
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*/
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_undoData: null,
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/**
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* Initializes the undo dialog.
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*/
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init: function UndoDialog_init() {
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this._undoContainer = document.getElementById("newtab-undo-container");
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this._undoContainer.addEventListener("click", this, false);
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this._undoButton = document.getElementById("newtab-undo-button");
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this._undoCloseButton = document.getElementById("newtab-undo-close-button");
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this._undoRestoreButton = document.getElementById("newtab-undo-restore-button");
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},
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/**
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* Shows the undo dialog.
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* @param aSite The site that just got removed.
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*/
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show: function UndoDialog_show(aSite) {
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if (this._undoData)
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clearTimeout(this._undoData.timeout);
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this._undoData = {
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index: aSite.cell.index,
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wasPinned: aSite.isPinned(),
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blockedLink: aSite.link,
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timeout: setTimeout(this.hide.bind(this), this.HIDE_TIMEOUT_MS)
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};
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this._undoContainer.removeAttribute("undo-disabled");
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this._undoButton.removeAttribute("tabindex");
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this._undoCloseButton.removeAttribute("tabindex");
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this._undoRestoreButton.removeAttribute("tabindex");
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},
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/**
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* Hides the undo dialog.
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*/
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hide: function UndoDialog_hide() {
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if (!this._undoData)
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return;
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clearTimeout(this._undoData.timeout);
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this._undoData = null;
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this._undoContainer.setAttribute("undo-disabled", "true");
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this._undoButton.setAttribute("tabindex", "-1");
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this._undoCloseButton.setAttribute("tabindex", "-1");
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this._undoRestoreButton.setAttribute("tabindex", "-1");
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},
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/**
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* The undo dialog event handler.
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* @param aEvent The event to handle.
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*/
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handleEvent: function UndoDialog_handleEvent(aEvent) {
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switch (aEvent.target.id) {
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case "newtab-undo-button":
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this._undo();
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break;
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case "newtab-undo-restore-button":
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this._undoAll();
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break;
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case "newtab-undo-close-button":
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this.hide();
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break;
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}
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},
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/**
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* Undo the last blocked site.
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*/
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_undo: function UndoDialog_undo() {
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if (!this._undoData)
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return;
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let {index, wasPinned, blockedLink} = this._undoData;
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gBlockedLinks.unblock(blockedLink);
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if (wasPinned) {
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gPinnedLinks.pin(blockedLink, index);
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}
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gUpdater.updateGrid();
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this.hide();
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},
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/**
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* Undo all blocked sites.
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*/
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_undoAll: function UndoDialog_undoAll() {
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NewTabUtils.undoAll(function() {
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gUpdater.updateGrid();
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this.hide();
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}.bind(this));
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}
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};
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gUndoDialog.init();
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