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-rw-r--r--components/newtab/drop.js150
1 files changed, 0 insertions, 150 deletions
diff --git a/components/newtab/drop.js b/components/newtab/drop.js
deleted file mode 100644
index 7486524..0000000
--- a/components/newtab/drop.js
+++ /dev/null
@@ -1,150 +0,0 @@
-#ifdef 0
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/. */
-#endif
-
-// A little delay that prevents the grid from being too sensitive when dragging
-// sites around.
-const DELAY_REARRANGE_MS = 100;
-
-/**
- * This singleton implements site dropping functionality.
- */
-var gDrop = {
- /**
- * The last drop target.
- */
- _lastDropTarget: null,
-
- /**
- * Handles the 'dragenter' event.
- * @param aCell The drop target cell.
- */
- enter: function Drop_enter(aCell) {
- this._delayedRearrange(aCell);
- },
-
- /**
- * Handles the 'dragexit' event.
- * @param aCell The drop target cell.
- * @param aEvent The 'dragexit' event.
- */
- exit: function Drop_exit(aCell, aEvent) {
- if (aEvent.dataTransfer && !aEvent.dataTransfer.mozUserCancelled) {
- this._delayedRearrange();
- } else {
- // The drag operation has been cancelled.
- this._cancelDelayedArrange();
- this._rearrange();
- }
- },
-
- /**
- * Handles the 'drop' event.
- * @param aCell The drop target cell.
- * @param aEvent The 'dragexit' event.
- */
- drop: function Drop_drop(aCell, aEvent) {
- // The cell that is the drop target could contain a pinned site. We need
- // to find out where that site has gone and re-pin it there.
- if (aCell.containsPinnedSite())
- this._repinSitesAfterDrop(aCell);
-
- // Pin the dragged or insert the new site.
- this._pinDraggedSite(aCell, aEvent);
-
- this._cancelDelayedArrange();
-
- // Update the grid and move all sites to their new places.
- gUpdater.updateGrid();
- },
-
- /**
- * Re-pins all pinned sites in their (new) positions.
- * @param aCell The drop target cell.
- */
- _repinSitesAfterDrop: function Drop_repinSitesAfterDrop(aCell) {
- let sites = gDropPreview.rearrange(aCell);
-
- // Filter out pinned sites.
- let pinnedSites = sites.filter(function (aSite) {
- return aSite && aSite.isPinned();
- });
-
- // Re-pin all shifted pinned cells.
- pinnedSites.forEach(aSite => aSite.pin(sites.indexOf(aSite)));
- },
-
- /**
- * Pins the dragged site in its new place.
- * @param aCell The drop target cell.
- * @param aEvent The 'dragexit' event.
- */
- _pinDraggedSite: function Drop_pinDraggedSite(aCell, aEvent) {
- let index = aCell.index;
- let draggedSite = gDrag.draggedSite;
-
- if (draggedSite) {
- // Pin the dragged site at its new place.
- if (aCell != draggedSite.cell)
- draggedSite.pin(index);
- } else {
- let link = gDragDataHelper.getLinkFromDragEvent(aEvent);
- if (link) {
- // A new link was dragged onto the grid. Create it by pinning its URL.
- gPinnedLinks.pin(link, index);
-
- // Make sure the newly added link is not blocked.
- gBlockedLinks.unblock(link);
- }
- }
- },
-
- /**
- * Time a rearrange with a little delay.
- * @param aCell The drop target cell.
- */
- _delayedRearrange: function Drop_delayedRearrange(aCell) {
- // The last drop target didn't change so there's no need to re-arrange.
- if (this._lastDropTarget == aCell)
- return;
-
- let self = this;
-
- function callback() {
- self._rearrangeTimeout = null;
- self._rearrange(aCell);
- }
-
- this._cancelDelayedArrange();
- this._rearrangeTimeout = setTimeout(callback, DELAY_REARRANGE_MS);
-
- // Store the last drop target.
- this._lastDropTarget = aCell;
- },
-
- /**
- * Cancels a timed rearrange, if any.
- */
- _cancelDelayedArrange: function Drop_cancelDelayedArrange() {
- if (this._rearrangeTimeout) {
- clearTimeout(this._rearrangeTimeout);
- this._rearrangeTimeout = null;
- }
- },
-
- /**
- * Rearrange all sites in the grid depending on the current drop target.
- * @param aCell The drop target cell.
- */
- _rearrange: function Drop_rearrange(aCell) {
- let sites = gGrid.sites;
-
- // We need to rearrange the grid only if there's a current drop target.
- if (aCell)
- sites = gDropPreview.rearrange(aCell);
-
- gTransformation.rearrangeSites(sites, {unfreeze: !aCell});
- }
-};