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-rw-r--r--components/newtab/cells.js126
-rw-r--r--components/newtab/drag.js151
-rw-r--r--components/newtab/dragDataHelper.js22
-rw-r--r--components/newtab/drop.js150
-rw-r--r--components/newtab/dropPreview.js222
-rw-r--r--components/newtab/dropTargetShim.js232
-rw-r--r--components/newtab/grid.js175
-rw-r--r--components/newtab/jar.mn8
-rw-r--r--components/newtab/moz.build8
-rw-r--r--components/newtab/newTab.css349
-rw-r--r--components/newtab/newTab.js69
-rw-r--r--components/newtab/newTab.xhtml61
-rw-r--r--components/newtab/page.js244
-rw-r--r--components/newtab/search.js134
-rw-r--r--components/newtab/sites.js353
-rw-r--r--components/newtab/transformations.js270
-rw-r--r--components/newtab/undo.js116
-rw-r--r--components/newtab/updater.js177
18 files changed, 2867 insertions, 0 deletions
diff --git a/components/newtab/cells.js b/components/newtab/cells.js
new file mode 100644
index 0000000..47d4ef5
--- /dev/null
+++ b/components/newtab/cells.js
@@ -0,0 +1,126 @@
+#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
+
+/**
+ * This class manages a cell's DOM node (not the actually cell content, a site).
+ * It's mostly read-only, i.e. all manipulation of both position and content
+ * aren't handled here.
+ */
+function Cell(aGrid, aNode) {
+ this._grid = aGrid;
+ this._node = aNode;
+ this._node._newtabCell = this;
+
+ // Register drag-and-drop event handlers.
+ ["dragenter", "dragover", "dragexit", "drop"].forEach(function (aType) {
+ this._node.addEventListener(aType, this, false);
+ }, this);
+}
+
+Cell.prototype = {
+ /**
+ * The grid.
+ */
+ _grid: null,
+
+ /**
+ * The cell's DOM node.
+ */
+ get node() { return this._node; },
+
+ /**
+ * The cell's offset in the grid.
+ */
+ get index() {
+ let index = this._grid.cells.indexOf(this);
+
+ // Cache this value, overwrite the getter.
+ Object.defineProperty(this, "index", {value: index, enumerable: true});
+
+ return index;
+ },
+
+ /**
+ * The previous cell in the grid.
+ */
+ get previousSibling() {
+ let prev = this.node.previousElementSibling;
+ prev = prev && prev._newtabCell;
+
+ // Cache this value, overwrite the getter.
+ Object.defineProperty(this, "previousSibling", {value: prev, enumerable: true});
+
+ return prev;
+ },
+
+ /**
+ * The next cell in the grid.
+ */
+ get nextSibling() {
+ let next = this.node.nextElementSibling;
+ next = next && next._newtabCell;
+
+ // Cache this value, overwrite the getter.
+ Object.defineProperty(this, "nextSibling", {value: next, enumerable: true});
+
+ return next;
+ },
+
+ /**
+ * The site contained in the cell, if any.
+ */
+ get site() {
+ let firstChild = this.node.firstElementChild;
+ return firstChild && firstChild._newtabSite;
+ },
+
+ /**
+ * Checks whether the cell contains a pinned site.
+ * @return Whether the cell contains a pinned site.
+ */
+ containsPinnedSite: function Cell_containsPinnedSite() {
+ let site = this.site;
+ return site && site.isPinned();
+ },
+
+ /**
+ * Checks whether the cell contains a site (is empty).
+ * @return Whether the cell is empty.
+ */
+ isEmpty: function Cell_isEmpty() {
+ return !this.site;
+ },
+
+ /**
+ * Handles all cell events.
+ */
+ handleEvent: function Cell_handleEvent(aEvent) {
+ // We're not responding to external drag/drop events
+ // when our parent window is in private browsing mode.
+ if (inPrivateBrowsingMode() && !gDrag.draggedSite)
+ return;
+
+ if (aEvent.type != "dragexit" && !gDrag.isValid(aEvent))
+ return;
+
+ switch (aEvent.type) {
+ case "dragenter":
+ aEvent.preventDefault();
+ gDrop.enter(this, aEvent);
+ break;
+ case "dragover":
+ aEvent.preventDefault();
+ break;
+ case "dragexit":
+ gDrop.exit(this, aEvent);
+ break;
+ case "drop":
+ aEvent.preventDefault();
+ gDrop.drop(this, aEvent);
+ break;
+ }
+ }
+};
diff --git a/components/newtab/drag.js b/components/newtab/drag.js
new file mode 100644
index 0000000..e3928eb
--- /dev/null
+++ b/components/newtab/drag.js
@@ -0,0 +1,151 @@
+#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
+
+/**
+ * This singleton implements site dragging functionality.
+ */
+var gDrag = {
+ /**
+ * The site offset to the drag start point.
+ */
+ _offsetX: null,
+ _offsetY: null,
+
+ /**
+ * The site that is dragged.
+ */
+ _draggedSite: null,
+ get draggedSite() { return this._draggedSite; },
+
+ /**
+ * The cell width/height at the point the drag started.
+ */
+ _cellWidth: null,
+ _cellHeight: null,
+ get cellWidth() { return this._cellWidth; },
+ get cellHeight() { return this._cellHeight; },
+
+ /**
+ * Start a new drag operation.
+ * @param aSite The site that's being dragged.
+ * @param aEvent The 'dragstart' event.
+ */
+ start: function Drag_start(aSite, aEvent) {
+ this._draggedSite = aSite;
+
+ // Mark nodes as being dragged.
+ let selector = ".newtab-site, .newtab-control, .newtab-thumbnail";
+ let parentCell = aSite.node.parentNode;
+ let nodes = parentCell.querySelectorAll(selector);
+ for (let i = 0; i < nodes.length; i++)
+ nodes[i].setAttribute("dragged", "true");
+
+ parentCell.setAttribute("dragged", "true");
+
+ this._setDragData(aSite, aEvent);
+
+ // Store the cursor offset.
+ let node = aSite.node;
+ let rect = node.getBoundingClientRect();
+ this._offsetX = aEvent.clientX - rect.left;
+ this._offsetY = aEvent.clientY - rect.top;
+
+ // Store the cell dimensions.
+ let cellNode = aSite.cell.node;
+ this._cellWidth = cellNode.offsetWidth;
+ this._cellHeight = cellNode.offsetHeight;
+
+ gTransformation.freezeSitePosition(aSite);
+ },
+
+ /**
+ * Handles the 'drag' event.
+ * @param aSite The site that's being dragged.
+ * @param aEvent The 'drag' event.
+ */
+ drag: function Drag_drag(aSite, aEvent) {
+ // Get the viewport size.
+ let {clientWidth, clientHeight} = document.documentElement;
+
+ // We'll want a padding of 5px.
+ let border = 5;
+
+ // Enforce minimum constraints to keep the drag image inside the window.
+ let left = Math.max(scrollX + aEvent.clientX - this._offsetX, border);
+ let top = Math.max(scrollY + aEvent.clientY - this._offsetY, border);
+
+ // Enforce maximum constraints to keep the drag image inside the window.
+ left = Math.min(left, scrollX + clientWidth - this.cellWidth - border);
+ top = Math.min(top, scrollY + clientHeight - this.cellHeight - border);
+
+ // Update the drag image's position.
+ gTransformation.setSitePosition(aSite, {left: left, top: top});
+ },
+
+ /**
+ * Ends the current drag operation.
+ * @param aSite The site that's being dragged.
+ * @param aEvent The 'dragend' event.
+ */
+ end: function Drag_end(aSite, aEvent) {
+ let nodes = gGrid.node.querySelectorAll("[dragged]")
+ for (let i = 0; i < nodes.length; i++)
+ nodes[i].removeAttribute("dragged");
+
+ // Slide the dragged site back into its cell (may be the old or the new cell).
+ gTransformation.slideSiteTo(aSite, aSite.cell, {unfreeze: true});
+
+ this._draggedSite = null;
+ },
+
+ /**
+ * Checks whether we're responsible for a given drag event.
+ * @param aEvent The drag event to check.
+ * @return Whether we should handle this drag and drop operation.
+ */
+ isValid: function Drag_isValid(aEvent) {
+ let link = gDragDataHelper.getLinkFromDragEvent(aEvent);
+
+ // Check that the drag data is non-empty.
+ // Can happen when dragging places folders.
+ if (!link || !link.url) {
+ return false;
+ }
+
+ // Check that we're not accepting URLs which would inherit the caller's
+ // principal (such as javascript: or data:).
+ return gLinkChecker.checkLoadURI(link.url);
+ },
+
+ /**
+ * Initializes the drag data for the current drag operation.
+ * @param aSite The site that's being dragged.
+ * @param aEvent The 'dragstart' event.
+ */
+ _setDragData: function Drag_setDragData(aSite, aEvent) {
+ let {url, title} = aSite;
+
+ let dt = aEvent.dataTransfer;
+ dt.mozCursor = "default";
+ dt.effectAllowed = "move";
+ dt.setData("text/plain", url);
+ dt.setData("text/uri-list", url);
+ dt.setData("text/x-moz-url", url + "\n" + title);
+ dt.setData("text/html", "<a href=\"" + url + "\">" + url + "</a>");
+
+ // Create and use an empty drag element. We don't want to use the default
+ // drag image with its default opacity.
+ let dragElement = document.createElementNS(HTML_NAMESPACE, "div");
+ dragElement.classList.add("newtab-drag");
+ let scrollbox = document.getElementById("newtab-vertical-margin");
+ scrollbox.appendChild(dragElement);
+ dt.setDragImage(dragElement, 0, 0);
+
+ // After the 'dragstart' event has been processed we can remove the
+ // temporary drag element from the DOM.
+ setTimeout(() => scrollbox.removeChild(dragElement), 0);
+ }
+};
diff --git a/components/newtab/dragDataHelper.js b/components/newtab/dragDataHelper.js
new file mode 100644
index 0000000..675ff26
--- /dev/null
+++ b/components/newtab/dragDataHelper.js
@@ -0,0 +1,22 @@
+#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
+
+var gDragDataHelper = {
+ get mimeType() {
+ return "text/x-moz-url";
+ },
+
+ getLinkFromDragEvent: function DragDataHelper_getLinkFromDragEvent(aEvent) {
+ let dt = aEvent.dataTransfer;
+ if (!dt || !dt.types.includes(this.mimeType)) {
+ return null;
+ }
+
+ let data = dt.getData(this.mimeType) || "";
+ let [url, title] = data.split(/[\r\n]+/);
+ return {url: url, title: title};
+ }
+};
diff --git a/components/newtab/drop.js b/components/newtab/drop.js
new file mode 100644
index 0000000..7486524
--- /dev/null
+++ b/components/newtab/drop.js
@@ -0,0 +1,150 @@
+#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});
+ }
+};
diff --git a/components/newtab/dropPreview.js b/components/newtab/dropPreview.js
new file mode 100644
index 0000000..fd7587a
--- /dev/null
+++ b/components/newtab/dropPreview.js
@@ -0,0 +1,222 @@
+#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
+
+/**
+ * This singleton provides the ability to re-arrange the current grid to
+ * indicate the transformation that results from dropping a cell at a certain
+ * position.
+ */
+var gDropPreview = {
+ /**
+ * Rearranges the sites currently contained in the grid when a site would be
+ * dropped onto the given cell.
+ * @param aCell The drop target cell.
+ * @return The re-arranged array of sites.
+ */
+ rearrange: function DropPreview_rearrange(aCell) {
+ let sites = gGrid.sites;
+
+ // Insert the dragged site into the current grid.
+ this._insertDraggedSite(sites, aCell);
+
+ // After the new site has been inserted we need to correct the positions
+ // of all pinned tabs that have been moved around.
+ this._repositionPinnedSites(sites, aCell);
+
+ return sites;
+ },
+
+ /**
+ * Inserts the currently dragged site into the given array of sites.
+ * @param aSites The array of sites to insert into.
+ * @param aCell The drop target cell.
+ */
+ _insertDraggedSite: function DropPreview_insertDraggedSite(aSites, aCell) {
+ let dropIndex = aCell.index;
+ let draggedSite = gDrag.draggedSite;
+
+ // We're currently dragging a site.
+ if (draggedSite) {
+ let dragCell = draggedSite.cell;
+ let dragIndex = dragCell.index;
+
+ // Move the dragged site into its new position.
+ if (dragIndex != dropIndex) {
+ aSites.splice(dragIndex, 1);
+ aSites.splice(dropIndex, 0, draggedSite);
+ }
+ // We're handling an external drag item.
+ } else {
+ aSites.splice(dropIndex, 0, null);
+ }
+ },
+
+ /**
+ * Correct the position of all pinned sites that might have been moved to
+ * different positions after the dragged site has been inserted.
+ * @param aSites The array of sites containing the dragged site.
+ * @param aCell The drop target cell.
+ */
+ _repositionPinnedSites:
+ function DropPreview_repositionPinnedSites(aSites, aCell) {
+
+ // Collect all pinned sites.
+ let pinnedSites = this._filterPinnedSites(aSites, aCell);
+
+ // Correct pinned site positions.
+ pinnedSites.forEach(function (aSite) {
+ aSites[aSites.indexOf(aSite)] = aSites[aSite.cell.index];
+ aSites[aSite.cell.index] = aSite;
+ }, this);
+
+ // There might be a pinned cell that got pushed out of the grid, try to
+ // sneak it in by removing a lower-priority cell.
+ if (this._hasOverflowedPinnedSite(aSites, aCell))
+ this._repositionOverflowedPinnedSite(aSites, aCell);
+ },
+
+ /**
+ * Filter pinned sites out of the grid that are still on their old positions
+ * and have not moved.
+ * @param aSites The array of sites to filter.
+ * @param aCell The drop target cell.
+ * @return The filtered array of sites.
+ */
+ _filterPinnedSites: function DropPreview_filterPinnedSites(aSites, aCell) {
+ let draggedSite = gDrag.draggedSite;
+
+ // When dropping on a cell that contains a pinned site make sure that all
+ // pinned cells surrounding the drop target are moved as well.
+ let range = this._getPinnedRange(aCell);
+
+ return aSites.filter(function (aSite, aIndex) {
+ // The site must be valid, pinned and not the dragged site.
+ if (!aSite || aSite == draggedSite || !aSite.isPinned())
+ return false;
+
+ let index = aSite.cell.index;
+
+ // If it's not in the 'pinned range' it's a valid pinned site.
+ return (index > range.end || index < range.start);
+ });
+ },
+
+ /**
+ * Determines the range of pinned sites surrounding the drop target cell.
+ * @param aCell The drop target cell.
+ * @return The range of pinned cells.
+ */
+ _getPinnedRange: function DropPreview_getPinnedRange(aCell) {
+ let dropIndex = aCell.index;
+ let range = {start: dropIndex, end: dropIndex};
+
+ // We need a pinned range only when dropping on a pinned site.
+ if (aCell.containsPinnedSite()) {
+ let links = gPinnedLinks.links;
+
+ // Find all previous siblings of the drop target that are pinned as well.
+ while (range.start && links[range.start - 1])
+ range.start--;
+
+ let maxEnd = links.length - 1;
+
+ // Find all next siblings of the drop target that are pinned as well.
+ while (range.end < maxEnd && links[range.end + 1])
+ range.end++;
+ }
+
+ return range;
+ },
+
+ /**
+ * Checks if the given array of sites contains a pinned site that has
+ * been pushed out of the grid.
+ * @param aSites The array of sites to check.
+ * @param aCell The drop target cell.
+ * @return Whether there is an overflowed pinned cell.
+ */
+ _hasOverflowedPinnedSite:
+ function DropPreview_hasOverflowedPinnedSite(aSites, aCell) {
+
+ // If the drop target isn't pinned there's no way a pinned site has been
+ // pushed out of the grid so we can just exit here.
+ if (!aCell.containsPinnedSite())
+ return false;
+
+ let cells = gGrid.cells;
+
+ // No cells have been pushed out of the grid, nothing to do here.
+ if (aSites.length <= cells.length)
+ return false;
+
+ let overflowedSite = aSites[cells.length];
+
+ // Nothing to do if the site that got pushed out of the grid is not pinned.
+ return (overflowedSite && overflowedSite.isPinned());
+ },
+
+ /**
+ * We have a overflowed pinned site that we need to re-position so that it's
+ * visible again. We try to find a lower-priority cell (empty or containing
+ * an unpinned site) that we can move it to.
+ * @param aSites The array of sites.
+ * @param aCell The drop target cell.
+ */
+ _repositionOverflowedPinnedSite:
+ function DropPreview_repositionOverflowedPinnedSite(aSites, aCell) {
+
+ // Try to find a lower-priority cell (empty or containing an unpinned site).
+ let index = this._indexOfLowerPrioritySite(aSites, aCell);
+
+ if (index > -1) {
+ let cells = gGrid.cells;
+ let dropIndex = aCell.index;
+
+ // Move all pinned cells to their new positions to let the overflowed
+ // site fit into the grid.
+ for (let i = index + 1, lastPosition = index; i < aSites.length; i++) {
+ if (i != dropIndex) {
+ aSites[lastPosition] = aSites[i];
+ lastPosition = i;
+ }
+ }
+
+ // Finally, remove the overflowed site from its previous position.
+ aSites.splice(cells.length, 1);
+ }
+ },
+
+ /**
+ * Finds the index of the last cell that is empty or contains an unpinned
+ * site. These are considered to be of a lower priority.
+ * @param aSites The array of sites.
+ * @param aCell The drop target cell.
+ * @return The cell's index.
+ */
+ _indexOfLowerPrioritySite:
+ function DropPreview_indexOfLowerPrioritySite(aSites, aCell) {
+
+ let cells = gGrid.cells;
+ let dropIndex = aCell.index;
+
+ // Search (beginning with the last site in the grid) for a site that is
+ // empty or unpinned (an thus lower-priority) and can be pushed out of the
+ // grid instead of the pinned site.
+ for (let i = cells.length - 1; i >= 0; i--) {
+ // The cell that is our drop target is not a good choice.
+ if (i == dropIndex)
+ continue;
+
+ let site = aSites[i];
+
+ // We can use the cell only if it's empty or the site is un-pinned.
+ if (!site || !site.isPinned())
+ return i;
+ }
+
+ return -1;
+ }
+};
diff --git a/components/newtab/dropTargetShim.js b/components/newtab/dropTargetShim.js
new file mode 100644
index 0000000..57a97fa
--- /dev/null
+++ b/components/newtab/dropTargetShim.js
@@ -0,0 +1,232 @@
+#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
+
+/**
+ * This singleton provides a custom drop target detection. We need this because
+ * the default DnD target detection relies on the cursor's position. We want
+ * to pick a drop target based on the dragged site's position.
+ */
+var gDropTargetShim = {
+ /**
+ * Cache for the position of all cells, cleaned after drag finished.
+ */
+ _cellPositions: null,
+
+ /**
+ * The last drop target that was hovered.
+ */
+ _lastDropTarget: null,
+
+ /**
+ * Initializes the drop target shim.
+ */
+ init: function () {
+ gGrid.node.addEventListener("dragstart", this, true);
+ },
+
+ /**
+ * Add all event listeners needed during a drag operation.
+ */
+ _addEventListeners: function () {
+ gGrid.node.addEventListener("dragend", this);
+
+ let docElement = document.documentElement;
+ docElement.addEventListener("dragover", this);
+ docElement.addEventListener("dragenter", this);
+ docElement.addEventListener("drop", this);
+ },
+
+ /**
+ * Remove all event listeners that were needed during a drag operation.
+ */
+ _removeEventListeners: function () {
+ gGrid.node.removeEventListener("dragend", this);
+
+ let docElement = document.documentElement;
+ docElement.removeEventListener("dragover", this);
+ docElement.removeEventListener("dragenter", this);
+ docElement.removeEventListener("drop", this);
+ },
+
+ /**
+ * Handles all shim events.
+ */
+ handleEvent: function (aEvent) {
+ switch (aEvent.type) {
+ case "dragstart":
+ this._dragstart(aEvent);
+ break;
+ case "dragenter":
+ aEvent.preventDefault();
+ break;
+ case "dragover":
+ this._dragover(aEvent);
+ break;
+ case "drop":
+ this._drop(aEvent);
+ break;
+ case "dragend":
+ this._dragend(aEvent);
+ break;
+ }
+ },
+
+ /**
+ * Handles the 'dragstart' event.
+ * @param aEvent The 'dragstart' event.
+ */
+ _dragstart: function (aEvent) {
+ if (aEvent.target.classList.contains("newtab-link")) {
+ gGrid.lock();
+ this._addEventListeners();
+ }
+ },
+
+ /**
+ * Handles the 'dragover' event.
+ * @param aEvent The 'dragover' event.
+ */
+ _dragover: function (aEvent) {
+ // XXX bug 505521 - Use the dragover event to retrieve the
+ // current mouse coordinates while dragging.
+ let sourceNode = aEvent.dataTransfer.mozSourceNode.parentNode;
+ gDrag.drag(sourceNode._newtabSite, aEvent);
+
+ // Find the current drop target, if there's one.
+ this._updateDropTarget(aEvent);
+
+ // If we have a valid drop target,
+ // let the drag-and-drop service know.
+ if (this._lastDropTarget) {
+ aEvent.preventDefault();
+ }
+ },
+
+ /**
+ * Handles the 'drop' event.
+ * @param aEvent The 'drop' event.
+ */
+ _drop: function (aEvent) {
+ // We're accepting all drops.
+ aEvent.preventDefault();
+
+ // remember that drop event was seen, this explicitly
+ // assumes that drop event preceeds dragend event
+ this._dropSeen = true;
+
+ // Make sure to determine the current drop target
+ // in case the dragover event hasn't been fired.
+ this._updateDropTarget(aEvent);
+
+ // A site was successfully dropped.
+ this._dispatchEvent(aEvent, "drop", this._lastDropTarget);
+ },
+
+ /**
+ * Handles the 'dragend' event.
+ * @param aEvent The 'dragend' event.
+ */
+ _dragend: function (aEvent) {
+ if (this._lastDropTarget) {
+ if (aEvent.dataTransfer.mozUserCancelled || !this._dropSeen) {
+ // The drag operation was cancelled or no drop event was generated
+ this._dispatchEvent(aEvent, "dragexit", this._lastDropTarget);
+ this._dispatchEvent(aEvent, "dragleave", this._lastDropTarget);
+ }
+
+ // Clean up.
+ this._lastDropTarget = null;
+ this._cellPositions = null;
+ }
+
+ this._dropSeen = false;
+ gGrid.unlock();
+ this._removeEventListeners();
+ },
+
+ /**
+ * Tries to find the current drop target and will fire
+ * appropriate dragenter, dragexit, and dragleave events.
+ * @param aEvent The current drag event.
+ */
+ _updateDropTarget: function (aEvent) {
+ // Let's see if we find a drop target.
+ let target = this._findDropTarget(aEvent);
+
+ if (target != this._lastDropTarget) {
+ if (this._lastDropTarget)
+ // We left the last drop target.
+ this._dispatchEvent(aEvent, "dragexit", this._lastDropTarget);
+
+ if (target)
+ // We're now hovering a (new) drop target.
+ this._dispatchEvent(aEvent, "dragenter", target);
+
+ if (this._lastDropTarget)
+ // We left the last drop target.
+ this._dispatchEvent(aEvent, "dragleave", this._lastDropTarget);
+
+ this._lastDropTarget = target;
+ }
+ },
+
+ /**
+ * Determines the current drop target by matching the dragged site's position
+ * against all cells in the grid.
+ * @return The currently hovered drop target or null.
+ */
+ _findDropTarget: function () {
+ // These are the minimum intersection values - we want to use the cell if
+ // the site is >= 50% hovering its position.
+ let minWidth = gDrag.cellWidth / 2;
+ let minHeight = gDrag.cellHeight / 2;
+
+ let cellPositions = this._getCellPositions();
+ let rect = gTransformation.getNodePosition(gDrag.draggedSite.node);
+
+ // Compare each cell's position to the dragged site's position.
+ for (let i = 0; i < cellPositions.length; i++) {
+ let inter = rect.intersect(cellPositions[i].rect);
+
+ // If the intersection is big enough we found a drop target.
+ if (inter.width >= minWidth && inter.height >= minHeight)
+ return cellPositions[i].cell;
+ }
+
+ // No drop target found.
+ return null;
+ },
+
+ /**
+ * Gets the positions of all cell nodes.
+ * @return The (cached) cell positions.
+ */
+ _getCellPositions: function DropTargetShim_getCellPositions() {
+ if (this._cellPositions)
+ return this._cellPositions;
+
+ return this._cellPositions = gGrid.cells.map(function (cell) {
+ return {cell: cell, rect: gTransformation.getNodePosition(cell.node)};
+ });
+ },
+
+ /**
+ * Dispatches a custom DragEvent on the given target node.
+ * @param aEvent The source event.
+ * @param aType The event type.
+ * @param aTarget The target node that receives the event.
+ */
+ _dispatchEvent: function (aEvent, aType, aTarget) {
+ let node = aTarget.node;
+ let event = document.createEvent("DragEvent");
+
+ // The event should not bubble to prevent recursion.
+ event.initDragEvent(aType, false, true, window, 0, 0, 0, 0, 0, false, false,
+ false, false, 0, node, aEvent.dataTransfer);
+
+ node.dispatchEvent(event);
+ }
+};
diff --git a/components/newtab/grid.js b/components/newtab/grid.js
new file mode 100644
index 0000000..e63ea54
--- /dev/null
+++ b/components/newtab/grid.js
@@ -0,0 +1,175 @@
+#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
+
+/**
+ * This singleton represents the grid that contains all sites.
+ */
+var gGrid = {
+ /**
+ * The DOM node of the grid.
+ */
+ _node: null,
+ _gridDefaultContent: null,
+ get node() { return this._node; },
+
+ /**
+ * The cached DOM fragment for sites.
+ */
+ _siteFragment: null,
+
+ /**
+ * All cells contained in the grid.
+ */
+ _cells: [],
+ get cells() { return this._cells; },
+
+ /**
+ * All sites contained in the grid's cells. Sites may be empty.
+ */
+ get sites() {
+ // return [for (cell of this.cells) cell.site];
+ let aSites = [];
+ for (let cell of this.cells) {
+ aSites.push(cell.site);
+ }
+ return aSites;
+ },
+
+ // Tells whether the grid has already been initialized.
+ get ready() { return !!this._ready; },
+
+ // Returns whether the page has finished loading yet.
+ get isDocumentLoaded() { return document.readyState == "complete"; },
+
+ /**
+ * Initializes the grid.
+ * @param aSelector The query selector of the grid.
+ */
+ init: function Grid_init() {
+ this._node = document.getElementById("newtab-grid");
+ this._gridDefaultContent = this._node.lastChild;
+ this._createSiteFragment();
+
+ gLinks.populateCache(() => {
+ this._refreshGrid();
+ this._ready = true;
+ });
+ },
+
+ /**
+ * Creates a new site in the grid.
+ * @param aLink The new site's link.
+ * @param aCell The cell that will contain the new site.
+ * @return The newly created site.
+ */
+ createSite: function Grid_createSite(aLink, aCell) {
+ let node = aCell.node;
+ node.appendChild(this._siteFragment.cloneNode(true));
+ return new Site(node.firstElementChild, aLink);
+ },
+
+ /**
+ * Handles all grid events.
+ */
+ handleEvent: function Grid_handleEvent(aEvent) {
+ // Any specific events should go here.
+ },
+
+ /**
+ * Locks the grid to block all pointer events.
+ */
+ lock: function Grid_lock() {
+ this.node.setAttribute("locked", "true");
+ },
+
+ /**
+ * Unlocks the grid to allow all pointer events.
+ */
+ unlock: function Grid_unlock() {
+ this.node.removeAttribute("locked");
+ },
+
+ /**
+ * Renders the grid.
+ */
+ refresh() {
+ this._refreshGrid();
+ },
+
+ /**
+ * Renders the grid, including cells and sites.
+ */
+ _refreshGrid() {
+ let row = document.createElementNS(HTML_NAMESPACE, "div");
+ row.classList.add("newtab-row");
+ let cell = document.createElementNS(HTML_NAMESPACE, "div");
+ cell.classList.add("newtab-cell");
+
+ // Clear the grid
+ this._node.innerHTML = "";
+
+ // Creates the structure of one row
+ for (let i = 0; i < gGridPrefs.gridColumns; i++) {
+ row.appendChild(cell.cloneNode(true));
+ }
+
+ // Creates the grid
+ for (let j = 0; j < gGridPrefs.gridRows; j++) {
+ this._node.appendChild(row.cloneNode(true));
+ }
+
+ // Create cell array.
+ let cellElements = this.node.querySelectorAll(".newtab-cell");
+ let cells = Array.from(cellElements, (cell) => new Cell(this, cell));
+
+ // Fetch links.
+ let links = gLinks.getLinks();
+
+ // Create sites.
+ let numLinks = Math.min(links.length, cells.length);
+ for (let i = 0; i < numLinks; i++) {
+ if (links[i]) {
+ this.createSite(links[i], cells[i]);
+ }
+ }
+
+ this._cells = cells;
+ },
+
+ /**
+ * Creates the DOM fragment that is re-used when creating sites.
+ */
+ _createSiteFragment: function Grid_createSiteFragment() {
+ let site = document.createElementNS(HTML_NAMESPACE, "div");
+ site.classList.add("newtab-site");
+ site.setAttribute("draggable", "true");
+
+ // Create the site's inner HTML code.
+ site.innerHTML =
+ '<a class="newtab-link">' +
+ ' <span class="newtab-thumbnail placeholder"/>' +
+ ' <span class="newtab-thumbnail thumbnail"/>' +
+ ' <span class="newtab-title"/>' +
+ '</a>' +
+ '<input type="button" title="' + newTabString("pin") + '"' +
+ ' class="newtab-control newtab-control-pin"/>' +
+ '<input type="button" title="' + newTabString("block") + '"' +
+ ' class="newtab-control newtab-control-block"/>';
+
+ this._siteFragment = document.createDocumentFragment();
+ this._siteFragment.appendChild(site);
+ },
+
+ /**
+ * Test a tile at a given position for being pinned or history
+ * @param position Position in sites array
+ */
+ _isHistoricalTile: function Grid_isHistoricalTile(aPos) {
+ let site = this.sites[aPos];
+ return site && (site.isPinned() || site.link && site.link.type == "history");
+ }
+
+};
diff --git a/components/newtab/jar.mn b/components/newtab/jar.mn
new file mode 100644
index 0000000..2d62914
--- /dev/null
+++ b/components/newtab/jar.mn
@@ -0,0 +1,8 @@
+# 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/.
+
+browser.jar:
+ content/browser/newtab/newTab.xhtml
+* content/browser/newtab/newTab.js
+ content/browser/newtab/newTab.css \ No newline at end of file
diff --git a/components/newtab/moz.build b/components/newtab/moz.build
new file mode 100644
index 0000000..2d64d50
--- /dev/null
+++ b/components/newtab/moz.build
@@ -0,0 +1,8 @@
+# -*- Mode: python; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# 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/.
+
+JAR_MANIFESTS += ['jar.mn']
+
diff --git a/components/newtab/newTab.css b/components/newtab/newTab.css
new file mode 100644
index 0000000..3c7cfa1
--- /dev/null
+++ b/components/newtab/newTab.css
@@ -0,0 +1,349 @@
+/* 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/. */
+
+html {
+ width: 100%;
+ height: 100%;
+}
+
+body {
+ font: message-box;
+ width: 100%;
+ height: 100%;
+ padding: 0;
+ margin: 0;
+ background-color: #F9F9F9;
+ display: -moz-box;
+ position: relative;
+ -moz-box-flex: 1;
+ -moz-user-focus: normal;
+ -moz-box-orient: vertical;
+}
+
+input {
+ font: message-box;
+ font-size: 16px;
+}
+
+input[type=button] {
+ cursor: pointer;
+}
+
+/* UNDO */
+#newtab-undo-container {
+ transition: opacity 100ms ease-out;
+ -moz-box-align: center;
+ -moz-box-pack: center;
+}
+
+#newtab-undo-container[undo-disabled] {
+ opacity: 0;
+ pointer-events: none;
+}
+
+/* TOGGLE */
+#newtab-toggle {
+ position: absolute;
+ top: 12px;
+ right: 12px;
+}
+
+#newtab-toggle:-moz-locale-dir(rtl) {
+ left: 12px;
+ right: auto;
+}
+
+/* MARGINS */
+#newtab-vertical-margin {
+ display: -moz-box;
+ position: relative;
+ -moz-box-flex: 1;
+ -moz-box-orient: vertical;
+}
+
+#newtab-margin-undo-container {
+ display: -moz-box;
+ left: 6px;
+ position: absolute;
+ top: 6px;
+ z-index: 1;
+}
+
+#newtab-margin-undo-container:dir(rtl) {
+ left: auto;
+ right: 6px;
+}
+
+#newtab-undo-close-button:dir(rtl) {
+ float:left;
+}
+
+#newtab-horizontal-margin {
+ display: -moz-box;
+ -moz-box-flex: 5;
+}
+
+#newtab-margin-top {
+ min-height: 10px;
+ max-height: 30px;
+ display: -moz-box;
+ -moz-box-flex: 1;
+ -moz-box-align: center;
+ -moz-box-pack: center;
+}
+
+#newtab-margin-bottom {
+ min-height: 40px;
+ max-height: 80px;
+ -moz-box-flex: 1;
+}
+
+.newtab-side-margin {
+ min-width: 40px;
+ max-width: 300px;
+ -moz-box-flex: 1;
+}
+
+/* GRID */
+#newtab-grid {
+ display: -moz-box;
+ -moz-box-flex: 5;
+ -moz-box-orient: vertical;
+ min-width: 600px;
+ min-height: 400px;
+ transition: 175ms ease-out;
+ transition-property: opacity;
+}
+
+#newtab-grid[page-disabled] {
+ opacity: 0;
+}
+
+#newtab-grid[locked],
+#newtab-grid[page-disabled] {
+ pointer-events: none;
+}
+
+/* ROWS */
+.newtab-row {
+ display: -moz-box;
+ -moz-box-orient: horizontal;
+ -moz-box-direction: normal;
+ -moz-box-flex: 1;
+}
+
+/*
+ * Thumbnail image sizes are determined in the preferences:
+ * toolkit.pageThumbs.minWidth
+ * toolkit.pageThumbs.minHeight
+ */
+/* CELLS */
+.newtab-cell {
+ display: -moz-box;
+ -moz-box-flex: 1;
+}
+
+/* SITES */
+.newtab-site {
+ position: relative;
+ -moz-box-flex: 1;
+ transition: 150ms ease-out;
+ transition-property: top, left, opacity;
+}
+
+.newtab-site[frozen] {
+ position: absolute;
+ pointer-events: none;
+}
+
+.newtab-site[dragged] {
+ transition-property: none;
+ z-index: 10;
+}
+
+/* LINK + THUMBNAILS */
+.newtab-link,
+.newtab-thumbnail {
+ position: absolute;
+ left: 0;
+ top: 0;
+ right: 0;
+ bottom: 0;
+}
+
+/* TITLES */
+.newtab-title {
+ overflow: hidden;
+ position: absolute;
+ right: 0;
+ text-align: center;
+}
+
+.newtab-title {
+ bottom: 0;
+ white-space: nowrap;
+ text-overflow: ellipsis;
+ vertical-align: middle;
+}
+
+.newtab-title {
+ left: 0;
+ padding: 0 4px;
+}
+
+/* CONTROLS */
+.newtab-control {
+ position: absolute;
+ opacity: 0;
+ transition: opacity 100ms ease-out;
+}
+
+.newtab-control:-moz-focusring,
+.newtab-cell:not([ignorehover]) > .newtab-site:hover > .newtab-control {
+ opacity: 1;
+}
+
+.newtab-control[dragged] {
+ opacity: 0 !important;
+}
+
+@media (-moz-touch-enabled) {
+ .newtab-control {
+ opacity: 1;
+ }
+}
+
+/* DRAG & DROP */
+
+/*
+ * This is just a temporary drag element used for dataTransfer.setDragImage()
+ * so that we can use custom drag images and elements. It needs an opacity of
+ * 0.01 so that the core code detects that it's in fact a visible element.
+ */
+.newtab-drag {
+ width: 1px;
+ height: 1px;
+ background-color: #fff;
+ opacity: 0.01;
+}
+
+/* SEARCH */
+#searchContainer {
+ display: -moz-box;
+ position: relative;
+ -moz-box-pack: center;
+ margin: 10px 0 15px;
+}
+
+#searchContainer[page-disabled] {
+ opacity: 0;
+ pointer-events: none;
+}
+
+#searchForm {
+ display: -moz-box;
+ position: relative;
+ height: 36px;
+ -moz-box-flex: 1;
+ max-width: 600px; /* 2 * (290 cell width + 10 cell margin) */
+}
+
+#searchEngineLogo {
+ border: 1px transparent;
+ padding: 2px 4px;
+ margin: 0;
+ width: 32px;
+ height: 32px;
+ position: absolute;
+}
+
+#searchText {
+ -moz-box-flex: 1;
+ padding-top: 6px;
+ padding-bottom: 6px;
+ padding-inline-start: 42px;
+ padding-inline-end: 8px;
+ background: hsla(0,0%,100%,.9) padding-box;
+ border: 1px solid;
+ border-spacing: 0;
+ border-radius: 2px 0 0 2px;
+ border-color: hsla(210,54%,20%,.15) hsla(210,54%,20%,.17) hsla(210,54%,20%,.2);
+ box-shadow: 0 1px 0 hsla(210,65%,9%,.02) inset,
+ 0 0 2px hsla(210,65%,9%,.1) inset,
+ 0 1px 0 hsla(0,0%,100%,.2);
+ color: inherit;
+ unicode-bidi: plaintext;
+}
+
+#searchText:dir(rtl) {
+ border-radius: 0 2px 2px 0;
+}
+
+#searchText[aria-expanded="true"] {
+ border-radius: 2px 0 0 0;
+}
+
+#searchText[aria-expanded="true"]:dir(rtl) {
+ border-radius: 0 2px 0 0;
+}
+
+#searchText[keepfocus],
+#searchText:focus {
+ border-color: hsla(216,100%,60%,.6) hsla(216,76%,52%,.6) hsla(214,100%,40%,.6);
+}
+
+#searchSubmit {
+ margin-inline-start: -1px;
+ padding: 0;
+ border: 1px solid;
+ background-color: #e0e0e0;
+ color: black;
+ border-color: hsla(220,54%,20%,.15) hsla(220,54%,20%,.17) hsla(220,54%,20%,.2);
+ border-radius: 0 2px 2px 0;
+ box-shadow: 0 0 2px hsla(0,0%,100%,.5) inset,
+ 0 1px 0 hsla(0,0%,100%,.2);
+ cursor: pointer;
+ transition-property: background-color, border-color, box-shadow;
+ transition-duration: 150ms;
+ width: 50px;
+}
+
+#searchSubmit:dir(rtl) {
+ border-radius: 2px 0 0 2px;
+}
+
+#searchSubmit:hover {
+ background-color: hsl(220,54%,20%);
+ color: white;
+}
+
+#searchText:focus + #searchSubmit,
+#searchText + #searchSubmit:hover {
+ border-color: #5985fc #4573e7 #3264d5;
+}
+
+#searchText:focus + #searchSubmit,
+#searchText[keepfocus] + #searchSubmit {
+ box-shadow: 0 1px 0 hsla(0,0%,100%,.2) inset,
+ 0 0 0 1px hsla(0,0%,100%,.1) inset,
+ 0 1px 0 hsla(220,54%,20%,.03);
+}
+
+#searchText + #searchSubmit:hover {
+ box-shadow: 0 1px 0 hsla(0,0%,100%,.2) inset,
+ 0 0 0 1px hsla(0,0%,100%,.1) inset,
+ 0 1px 0 hsla(220,54%,20%,.03),
+ 0 0 4px hsla(216,100%,20%,.2);
+}
+
+#searchText + #searchSubmit:hover:active {
+ box-shadow: 0 1px 1px hsla(221,79%,6%,.1) inset,
+ 0 0 1px hsla(221,79%,6%,.2) inset;
+ transition-duration: 0ms;
+}
+
+.contentSearchSuggestionTable {
+ font: message-box;
+ font-size: 16px;
+}
diff --git a/components/newtab/newTab.js b/components/newtab/newTab.js
new file mode 100644
index 0000000..0022f21
--- /dev/null
+++ b/components/newtab/newTab.js
@@ -0,0 +1,69 @@
+/* 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/. */
+
+"use strict";
+
+var Cu = Components.utils;
+var Ci = Components.interfaces;
+
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+Cu.import("resource://gre/modules/Services.jsm");
+Cu.import("resource://gre/modules/PageThumbs.jsm");
+Cu.import("resource://gre/modules/BackgroundPageThumbs.jsm");
+Cu.import("resource://gre/modules/NewTabUtils.jsm");
+
+XPCOMUtils.defineLazyModuleGetter(this, "Rect",
+ "resource://gre/modules/Geometry.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "PrivateBrowsingUtils",
+ "resource://gre/modules/PrivateBrowsingUtils.jsm");
+
+var {
+ links: gLinks,
+ allPages: gAllPages,
+ linkChecker: gLinkChecker,
+ pinnedLinks: gPinnedLinks,
+ blockedLinks: gBlockedLinks,
+ gridPrefs: gGridPrefs
+} = NewTabUtils;
+
+XPCOMUtils.defineLazyGetter(this, "gStringBundle", function() {
+ return Services.strings.
+ createBundle("chrome://browser/locale/newTab.properties");
+});
+
+function newTabString(name, args) {
+ let stringName = "newtab." + name;
+ if (!args) {
+ return gStringBundle.GetStringFromName(stringName);
+ }
+ return gStringBundle.formatStringFromName(stringName, args, args.length);
+}
+
+function inPrivateBrowsingMode() {
+ return PrivateBrowsingUtils.isContentWindowPrivate(window);
+}
+
+const HTML_NAMESPACE = "http://www.w3.org/1999/xhtml";
+const XUL_NAMESPACE = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
+
+const TILES_EXPLAIN_LINK = "https://support.mozilla.org/kb/how-do-tiles-work-firefox";
+const TILES_INTRO_LINK = "https://www.mozilla.org/firefox/tiles/";
+const TILES_PRIVACY_LINK = "https://www.mozilla.org/privacy/";
+
+#include transformations.js
+#include page.js
+#include grid.js
+#include cells.js
+#include sites.js
+#include drag.js
+#include dragDataHelper.js
+#include drop.js
+#include dropTargetShim.js
+#include dropPreview.js
+#include updater.js
+#include undo.js
+#include search.js
+
+// Everything is loaded. Initialize the New Tab Page.
+gPage.init();
diff --git a/components/newtab/newTab.xhtml b/components/newtab/newTab.xhtml
new file mode 100644
index 0000000..de000e7
--- /dev/null
+++ b/components/newtab/newTab.xhtml
@@ -0,0 +1,61 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!-- 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/. -->
+
+<!DOCTYPE html [
+ <!ENTITY % newTabDTD SYSTEM "chrome://browser/locale/newTab.dtd">
+ %newTabDTD;
+ <!ENTITY % browserDTD SYSTEM "chrome://browser/locale/browser.dtd">
+ %browserDTD;
+ <!ENTITY % globalDTD SYSTEM "chrome://global/locale/global.dtd">
+ %globalDTD;
+]>
+
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+ <title>&newtab.pageTitle;</title>
+
+ <link rel="stylesheet" type="text/css" media="all" href="chrome://global/skin/" />
+ <link rel="stylesheet" type="text/css" media="all" href="chrome://browser/content/newtab/newTab.css" />
+ <link rel="stylesheet" type="text/css" media="all" href="chrome://browser/skin/newtab/newTab.css" />
+</head>
+
+<body dir="&locale.dir;">
+ <div id="newtab-vertical-margin">
+ <div id="newtab-margin-top"/>
+
+ <div id="newtab-margin-undo-container">
+ <div id="newtab-undo-container" undo-disabled="true">
+ <label id="newtab-undo-label">&newtab.undo.removedLabel;</label>
+ <button id="newtab-undo-button" tabindex="-1"
+ class="newtab-undo-button">&newtab.undo.undoButton;</button>
+ <button id="newtab-undo-restore-button" tabindex="-1"
+ class="newtab-undo-button">&newtab.undo.restoreButton;</button>
+ <button id="newtab-undo-close-button" tabindex="-1" title="&newtab.undo.closeTooltip;"/>
+ </div>
+ </div>
+
+ <div id="searchContainer">
+ <form name="searchForm" id="searchForm" onsubmit="onSearchSubmit(event)">
+ <div id="searchLogoContainer"><img id="searchEngineLogo"/></div>
+ <input type="text" name="q" value="" id="searchText" maxlength="256"/>
+ <input id="searchSubmit" type="submit" value="&newtab.searchEngineButton.label;"/>
+ </form>
+ </div>
+
+ <div id="newtab-horizontal-margin">
+ <div class="newtab-side-margin"/>
+ <div id="newtab-grid">
+ <!-- site grid -->
+ </div>
+ <div class="newtab-side-margin"/>
+ </div>
+
+ <div id="newtab-margin-bottom"/>
+ <input id="newtab-toggle" type="button"/>
+ </div>
+</body>
+<script type="text/javascript;version=1.8" src="chrome://browser/content/newtab/newTab.js"/>
+</html>
diff --git a/components/newtab/page.js b/components/newtab/page.js
new file mode 100644
index 0000000..34387fd
--- /dev/null
+++ b/components/newtab/page.js
@@ -0,0 +1,244 @@
+#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
+
+// The amount of time we wait while coalescing updates for hidden pages.
+const SCHEDULE_UPDATE_TIMEOUT_MS = 1000;
+
+/**
+ * This singleton represents the whole 'New Tab Page' and takes care of
+ * initializing all its components.
+ */
+var gPage = {
+ /**
+ * Initializes the page.
+ */
+ init: function Page_init() {
+ // Add ourselves to the list of pages to receive notifications.
+ gAllPages.register(this);
+
+ // Listen for 'unload' to unregister this page.
+ addEventListener("unload", this, false);
+
+ // Listen for toggle button clicks.
+ let button = document.getElementById("newtab-toggle");
+ button.addEventListener("click", e => this.toggleEnabled(e));
+
+ // XXX bug 991111 - Not all click events are correctly triggered when
+ // listening from xhtml nodes -- in particular middle clicks on sites, so
+ // listen from the xul window and filter then delegate
+ addEventListener("click", this, false);
+
+ // Check if the new tab feature is enabled.
+ let enabled = gAllPages.enabled;
+ if (enabled)
+ this._init();
+
+ this._updateAttributes(enabled);
+ },
+
+ /**
+ * Listens for notifications specific to this page.
+ */
+ observe: function Page_observe(aSubject, aTopic, aData) {
+ if (aTopic == "nsPref:changed") {
+ let enabled = gAllPages.enabled;
+ this._updateAttributes(enabled);
+
+ // Initialize the whole page if we haven't done that, yet.
+ if (enabled) {
+ this._init();
+ } else {
+ gUndoDialog.hide();
+ }
+ } else if (aTopic == "page-thumbnail:create" && gGrid.ready) {
+ for (let site of gGrid.sites) {
+ if (site && site.url === aData) {
+ site.refreshThumbnail();
+ }
+ }
+ }
+ },
+
+ /**
+ * Updates the page's grid right away for visible pages. If the page is
+ * currently hidden, i.e. in a background tab or in the preloader, then we
+ * batch multiple update requests and refresh the grid once after a short
+ * delay. Accepts a single parameter the specifies the reason for requesting
+ * a page update. The page may decide to delay or prevent a requested updated
+ * based on the given reason.
+ */
+ update(reason = "") {
+ // Update immediately if we're visible.
+ if (!document.hidden) {
+ // Ignore updates where reason=links-changed as those signal that the
+ // provider's set of links changed. We don't want to update visible pages
+ // in that case, it is ok to wait until the user opens the next tab.
+ if (reason != "links-changed" && gGrid.ready) {
+ gGrid.refresh();
+ }
+
+ return;
+ }
+
+ // Bail out if we scheduled before.
+ if (this._scheduleUpdateTimeout) {
+ return;
+ }
+
+ this._scheduleUpdateTimeout = setTimeout(() => {
+ // Refresh if the grid is ready.
+ if (gGrid.ready) {
+ gGrid.refresh();
+ }
+
+ this._scheduleUpdateTimeout = null;
+ }, SCHEDULE_UPDATE_TIMEOUT_MS);
+ },
+
+ /**
+ * Internally initializes the page. This runs only when/if the feature
+ * is/gets enabled.
+ */
+ _init: function Page_init() {
+ if (this._initialized)
+ return;
+
+ this._initialized = true;
+
+ // Set submit button label for when CSS background are disabled (e.g.
+ // high contrast mode).
+ document.getElementById("searchSubmit").value =
+ document.body.getAttribute("dir") == "ltr" ? "\u25B6" : "\u25C0";
+
+ if (document.hidden) {
+ addEventListener("visibilitychange", this);
+ } else {
+ setTimeout(() => this.onPageFirstVisible());
+ }
+
+ // Initialize and render the grid.
+ gGrid.init();
+
+ // Initialize the drop target shim.
+ gDropTargetShim.init();
+
+#ifdef XP_MACOSX
+ // Workaround to prevent a delay on MacOSX due to a slow drop animation.
+ document.addEventListener("dragover", this, false);
+ document.addEventListener("drop", this, false);
+#endif
+ },
+
+ /**
+ * Updates the 'page-disabled' attributes of the respective DOM nodes.
+ * @param aValue Whether the New Tab Page is enabled or not.
+ */
+ _updateAttributes: function Page_updateAttributes(aValue) {
+ // Set the nodes' states.
+ let nodeSelector = "#newtab-grid, #searchContainer";
+ for (let node of document.querySelectorAll(nodeSelector)) {
+ if (aValue)
+ node.removeAttribute("page-disabled");
+ else
+ node.setAttribute("page-disabled", "true");
+ }
+
+ // Enables/disables the control and link elements.
+ let inputSelector = ".newtab-control, .newtab-link";
+ for (let input of document.querySelectorAll(inputSelector)) {
+ if (aValue)
+ input.removeAttribute("tabindex");
+ else
+ input.setAttribute("tabindex", "-1");
+ }
+ },
+
+ /**
+ * Handles unload event
+ */
+ _handleUnloadEvent: function Page_handleUnloadEvent() {
+ gAllPages.unregister(this);
+ },
+
+ /**
+ * Handles all page events.
+ */
+ handleEvent: function Page_handleEvent(aEvent) {
+ switch (aEvent.type) {
+ case "load":
+ this.onPageVisibleAndLoaded();
+ break;
+ case "unload":
+ this._handleUnloadEvent();
+ break;
+ case "click":
+ let {button, target} = aEvent;
+ // Go up ancestors until we find a Site or not
+ while (target) {
+ if (target.hasOwnProperty("_newtabSite")) {
+ target._newtabSite.onClick(aEvent);
+ break;
+ }
+ target = target.parentNode;
+ }
+ break;
+ case "dragover":
+ if (gDrag.isValid(aEvent) && gDrag.draggedSite)
+ aEvent.preventDefault();
+ break;
+ case "drop":
+ if (gDrag.isValid(aEvent) && gDrag.draggedSite) {
+ aEvent.preventDefault();
+ aEvent.stopPropagation();
+ }
+ break;
+ case "visibilitychange":
+ // Cancel any delayed updates for hidden pages now that we're visible.
+ if (this._scheduleUpdateTimeout) {
+ clearTimeout(this._scheduleUpdateTimeout);
+ this._scheduleUpdateTimeout = null;
+
+ // An update was pending so force an update now.
+ this.update();
+ }
+
+ setTimeout(() => this.onPageFirstVisible());
+ removeEventListener("visibilitychange", this);
+ break;
+ }
+ },
+
+ onPageFirstVisible: function () {
+ // Record another page impression.
+ Services.telemetry.getHistogramById("NEWTAB_PAGE_SHOWN").add(true);
+
+ for (let site of gGrid.sites) {
+ if (site) {
+ // The site may need to modify and/or re-render itself if
+ // something changed after newtab was created by preloader.
+ // For example, the suggested tile endTime may have passed.
+ site.onFirstVisible();
+ }
+ }
+
+ // save timestamp to compute page life-span delta
+ this._firstVisibleTime = Date.now();
+
+ if (document.readyState == "complete") {
+ this.onPageVisibleAndLoaded();
+ } else {
+ addEventListener("load", this);
+ }
+ },
+
+ onPageVisibleAndLoaded() {
+ },
+
+ toggleEnabled: function(aEvent) {
+ gAllPages.enabled = !gAllPages.enabled;
+ aEvent.stopPropagation();
+ }
+};
diff --git a/components/newtab/search.js b/components/newtab/search.js
new file mode 100644
index 0000000..8bc959e
--- /dev/null
+++ b/components/newtab/search.js
@@ -0,0 +1,134 @@
+#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
+
+const SEARCH_ENGINES = {
+ "DuckDuckGo": {
+ image: "data:image/png;base64," +
+ "iVBORw0KGgoAAAANSUhEUgAAAEAAAABACAMAAACdt4HsAAACT1BMVEXvISn/////9/fvUlr3ra3/" +
+ "zs7/7+/va2v/5+f/xsbvMTn/tbX/3t7/vb3vOUL3WmPvQkr/zgDvKTHvSlL3hIT3paX/1tbnISn3" +
+ "c3v3e3v3a3P3jIz3nJz/tb33c3PvKSn3lJT39/cAc73vSkr3e4Tv7+/3Yxj3pa3/tQj3jJT3nKX3" +
+ "Y2P/xs73hIzvQkL/vQjvQiHn5+f3hBD/ztbvMTH/vcb/3ucIc733lJz/pQilzufe7/fvMSHOzs73" +
+ "//cQrUpKvVprxmP3Y2vvShiUzmvWlJRzzmMYtUrvOTnn7/davVrWra3v9//nY2PvISGUxudztd7e" +
+ "3t7/76XvKSHea2v/xgDnOUK93vfW5/f/1t73Uhj/52ut3q2l3rXO784pjMZrrdb/rQjera3/5+/e" +
+ "paWMxufO79aEazkYrUr/nAj3jBD3axj3lBD///fehIRKpd7/1hCEYzk5vVL3//8ptVLW77UxtVLn" +
+ "SlLW1tZCvVp7vef/1gj/3invSkL//+fWtbXvpaX/3kr/97XvnJznWmMxjM5zvefOxsbWnKXWjIzG" +
+ "3u/ea3Pn997O5/fnQkqExuf3Whit1u/nUlrnxs7v5+d7zmuU1pT3exDOSjFjrVL/987/pUoQe8b/" +
+ "75T/3jFKxnO158bWKSl7zoRSxmtajEK1e0pzxlqcUjH/1iHOMSnOvb33cxDWnJx7td6EzmP/74xz" +
+ "azlrcznec3Pe771jxlpzczne78YpvVqEvWPn99YxvWOtSjHee3vG787OOTE5lEK1QjHv9+drzmve" +
+ "tbXO772q+r8wAAAFbUlEQVR4Xo2X84PzTBDHN3Zqu2fbemzbNl7atm3btvGHvTNJ2myuyd3NL2mT" +
+ "zmdnvjM76RImyGQlH5dCHBeSmscNmQkyfwBrZMLEY2aRF5cMSDYPEx+LZpUlAYRQbVEpnuc1je/M" +
+ "SbVwYoVFAbpE0IaLmiwqiVymmE3H84YuGs2mheCEhQH5qPUrje2ONxHKVIkXR2x2MxsMkDnLvftk" +
+ "2fSTQNCzSAgngwCCipkXxHiU+BsnCDFE8f6AQgnwaTGhkmDLymW8jPsBeIsth8iCpha618El1wgo" +
+ "4FOhWyWLWY+O8pbnAwTI29S1ElncJBmF4L0AGeJSdR4dUpt5w+DL0nAgoUuGGKKCBxDCOxrykaDb" +
+ "+yFQjhUylLlXpAB5jGnIqV6uvvWUcAAhLmDBXIAMrkXRdHQ+cerUiWefq1hRrAgg8LikUgdkQUAx" +
+ "6+2Ze0WLEO/1BQzrHCFNrAPAeDSD4q/Ln6R3p68MSYzDAUiwIEutJM0bHXE/gpEhJMxaAB3T6aT8" +
+ "mfkm+QBiMlwKFqAHvrHu9tvTOLrEdX4hFAkJWQB42qbVyam75ruv3zvF+wBCKJ0MAAV6SAy5+raA" +
+ "y+lb9tYBUw9sffKRJh+CDl2SAEAPquaC76swU1c+zlxbA9if/EIY78AcCBODDKjnVzDM0+sb57zq" +
+ "N14gdpbg4nraBaxm3NWpIDKNgJIIDTxEAKMyVM9/VrFcpijK52PbNhmk0RQORCA8dhGhIkDA+qPV" +
+ "Y/U8No2NHZsUfQCdzYTECSiRSRJKgxYAnK6+tnVrPYL7q2P7GNNnT0L3SQSS61AowK4BAExWq9XJ" +
+ "OmDT5D4GtUab7p92W1aD6AFBOjUKcONNKMG2o9vmScmhd+v5SCTS91StDLBwmHR5q0iiM4yv3X5g" +
+ "sD1i24tUHc0GQOrOihdw+ZV7drx+8I1IzfpaCQ1oSIGsbqEBdxy8KkLb8dYt7m7AFBpEJI8OUIAd" +
+ "Hve+wX509IqYgzLqxKMi5X+r6737wgHfMrZBKGwpQMWP0PN8/8qLn15cSRosEQeI3coxGrzRVfE2" +
+ "BEyTAMNpmbA3k2erPOyq+CUCPGvv3OmGykYBQhiYFbynDLu2uyW826qb7bSlv/VCe2R3vQqhIYQQ" +
+ "nLmSGKUAT1AqXn7V6p72iUsTThsNuhKUAeKMNFaiW2nG08H90IF1m6DywVdsHgA4bPgRGgAqUgBr" +
+ "DwxOtPcdv9RK6yklnaGKOXBMmN7RVCtJJMiUdG2s78dv9HbY7KrI9AQBOHwjaxaA6cKhRLXCHkpF" +
+ "PrAJYBz1su7LtSBQIjzozgI5AJDWsQ7gTJxETTHuEh5yW8kR5+1fvQBT5PDdWgPokE6GSuK3Aaby" +
+ "2KwNyGFIZ8/NfexVMAGXEfe8MA5QTVdrgGe2M9evev6FMwiAYr308nVzcx/SgHwSlswyLgDLHU0K" +
+ "tX5UZwCwZsM1b7516J1333v/g2UAuJoCNMsmZkEDZBXujCoOIfVJxQKsvXnDshvWfrEcAV9RAoqY" +
+ "rfdvHjY06R3tVmtjzQYsQ8ByC/C1O0dEzqkAGqELbiZ1W/RvBr51Ad9ZgO8dQCkh4/q5xvMC6hot" +
+ "sBl7rP1QT+HHQz9RGoSHhkyMgqEBdNPFWSWMY+1nBPxy+MjvZ2aZxB9n/zz3FwKiOTZfotb3AhhF" +
+ "xSUUNmGSjX+vWvPPYacVWJOkUilUT05ymEVb0JFHj9l/AVn+35b/jsx6YzNz8mja+iAEH7rYDntY" +
+ "Gaz3dizW080KWaeICx77kiG7lTKG6EEoPb0Wu0lZ9OA5whFH8GxHQjOMQls5HSs5t/glHX2FYtT/" +
+ "mGAs/fCtFU0vQJUSQYfvIBvVyukuLhbjuood/H6WCbD/AQSFvIO3JDxgAAAAAElFTkSuQmCC"
+ }
+};
+
+// This global tracks if the page has been set up before, to prevent double inits
+var gInitialized = false;
+var gObserver = new MutationObserver(function (mutations) {
+ for (let mutation of mutations) {
+ if (mutation.attributeName == "searchEngineURL") {
+ setupSearchEngine();
+ if (!gInitialized) {
+ gInitialized = true;
+ }
+ return;
+ }
+ }
+});
+
+window.addEventListener("pageshow", function () {
+ window.gObserver.observe(document.documentElement, { attributes: true });
+});
+
+window.addEventListener("pagehide", function() {
+ window.gObserver.disconnect();
+});
+
+function onSearchSubmit(aEvent) {
+ let searchTerms = document.getElementById("searchText").value;
+ let searchURL = document.documentElement.getAttribute("searchEngineURL");
+
+ if (searchURL && searchTerms.length > 0) {
+ const SEARCH_TOKEN = "_searchTerms_";
+ let searchPostData = document.documentElement.getAttribute("searchEnginePostData");
+ if (searchPostData) {
+ // Check if a post form already exists. If so, remove it.
+ const POST_FORM_NAME = "searchFormPost";
+ let form = document.forms[POST_FORM_NAME];
+ if (form) {
+ form.parentNode.removeChild(form);
+ }
+
+ // Create a new post form.
+ form = document.body.appendChild(document.createElement("form"));
+ form.setAttribute("name", POST_FORM_NAME);
+ // Set the URL to submit the form to.
+ form.setAttribute("action", searchURL.replace(SEARCH_TOKEN, searchTerms));
+ form.setAttribute("method", "post");
+
+ // Create new <input type=hidden> elements for search param.
+ searchPostData = searchPostData.split("&");
+ for (let postVar of searchPostData) {
+ let [name, value] = postVar.split("=");
+ if (value == SEARCH_TOKEN) {
+ value = searchTerms;
+ }
+ let input = document.createElement("input");
+ input.setAttribute("type", "hidden");
+ input.setAttribute("name", name);
+ input.setAttribute("value", value);
+ form.appendChild(input);
+ }
+ // Submit the form.
+ form.submit();
+ } else {
+ searchURL = searchURL.replace(SEARCH_TOKEN, encodeURIComponent(searchTerms));
+ window.location.href = searchURL;
+ }
+ }
+
+ aEvent.preventDefault();
+}
+
+
+function setupSearchEngine() {
+ let searchText = document.getElementById("searchText");
+ let searchEngineName = document.documentElement.getAttribute("searchEngineName");
+ let searchEngineInfo = SEARCH_ENGINES[searchEngineName];
+ let logoElt = document.getElementById("searchEngineLogo");
+
+ // Add search engine logo.
+ if (searchEngineInfo && searchEngineInfo.image) {
+ logoElt.parentNode.hidden = false;
+ logoElt.src = searchEngineInfo.image;
+ logoElt.alt = searchEngineName;
+ searchText.placeholder = "";
+ } else {
+ logoElt.parentNode.hidden = true;
+ searchText.placeholder = searchEngineName;
+ }
+}
diff --git a/components/newtab/sites.js b/components/newtab/sites.js
new file mode 100644
index 0000000..cb56752
--- /dev/null
+++ b/components/newtab/sites.js
@@ -0,0 +1,353 @@
+#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
+
+const THUMBNAIL_PLACEHOLDER_ENABLED =
+ Services.prefs.getBoolPref("browser.newtabpage.thumbnailPlaceholder");
+
+/**
+ * This class represents a site that is contained in a cell and can be pinned,
+ * moved around or deleted.
+ */
+function Site(aNode, aLink) {
+ this._node = aNode;
+ this._node._newtabSite = this;
+
+ this._link = aLink;
+
+ this._render();
+ this._addEventHandlers();
+}
+
+Site.prototype = {
+ /**
+ * The site's DOM node.
+ */
+ get node() { return this._node; },
+
+ /**
+ * The site's link.
+ */
+ get link() { return this._link; },
+
+ /**
+ * The url of the site's link.
+ */
+ get url() { return this.link.url; },
+
+ /**
+ * The title of the site's link.
+ */
+ get title() { return this.link.title || this.link.url; },
+
+ /**
+ * The site's parent cell.
+ */
+ get cell() {
+ let parentNode = this.node.parentNode;
+ return parentNode && parentNode._newtabCell;
+ },
+
+ /**
+ * Pins the site on its current or a given index.
+ * @param aIndex The pinned index (optional).
+ * @return true if link changed type after pin
+ */
+ pin: function Site_pin(aIndex) {
+ if (typeof aIndex == "undefined")
+ aIndex = this.cell.index;
+
+ this._updateAttributes(true);
+ let changed = gPinnedLinks.pin(this._link, aIndex);
+ if (changed) {
+ // render site again
+ this._render();
+ }
+ return changed;
+ },
+
+ /**
+ * Unpins the site and calls the given callback when done.
+ */
+ unpin: function Site_unpin() {
+ if (this.isPinned()) {
+ this._updateAttributes(false);
+ gPinnedLinks.unpin(this._link);
+ gUpdater.updateGrid();
+ }
+ },
+
+ /**
+ * Checks whether this site is pinned.
+ * @return Whether this site is pinned.
+ */
+ isPinned: function Site_isPinned() {
+ return gPinnedLinks.isPinned(this._link);
+ },
+
+ /**
+ * Blocks the site (removes it from the grid) and calls the given callback
+ * when done.
+ */
+ block: function Site_block() {
+ if (!gBlockedLinks.isBlocked(this._link)) {
+ gUndoDialog.show(this);
+ gBlockedLinks.block(this._link);
+ gUpdater.updateGrid();
+ }
+ },
+
+ /**
+ * Gets the DOM node specified by the given query selector.
+ * @param aSelector The query selector.
+ * @return The DOM node we found.
+ */
+ _querySelector: function Site_querySelector(aSelector) {
+ return this.node.querySelector(aSelector);
+ },
+
+ /**
+ * Updates attributes for all nodes which status depends on this site being
+ * pinned or unpinned.
+ * @param aPinned Whether this site is now pinned or unpinned.
+ */
+ _updateAttributes: function (aPinned) {
+ let control = this._querySelector(".newtab-control-pin");
+
+ if (aPinned) {
+ this.node.setAttribute("pinned", true);
+ control.setAttribute("title", newTabString("unpin"));
+ } else {
+ this.node.removeAttribute("pinned");
+ control.setAttribute("title", newTabString("pin"));
+ }
+ },
+
+ _newTabString: function(str, substrArr) {
+ let regExp = /%[0-9]\$S/g;
+ let matches;
+ while ((matches = regExp.exec(str))) {
+ let match = matches[0];
+ let index = match.charAt(1); // Get the digit in the regExp.
+ str = str.replace(match, substrArr[index - 1]);
+ }
+ return str;
+ },
+
+ /**
+ * Checks for and modifies link at campaign end time
+ */
+ _checkLinkEndTime: function Site_checkLinkEndTime() {
+ if (this.link.endTime && this.link.endTime < Date.now()) {
+ let oldUrl = this.url;
+ // chop off the path part from url
+ this.link.url = Services.io.newURI(this.url, null, null).resolve("/");
+ // clear supplied images - this triggers thumbnail download for new url
+ delete this.link.imageURI;
+ // remove endTime to avoid further time checks
+ delete this.link.endTime;
+ gPinnedLinks.replace(oldUrl, this.link);
+ }
+ },
+
+ /**
+ * Renders the site's data (fills the HTML fragment).
+ */
+ _render: function Site_render() {
+ // first check for end time, as it may modify the link
+ this._checkLinkEndTime();
+ // setup display variables
+ let url = this.url;
+ let title = this.link.type == "history" ? this.link.baseDomain :
+ this.title;
+ let tooltip = (this.title == url ? this.title : this.title + "\n" + url);
+
+ let link = this._querySelector(".newtab-link");
+ link.setAttribute("title", tooltip);
+ link.setAttribute("href", url);
+ this.node.setAttribute("type", this.link.type);
+
+ let titleNode = this._querySelector(".newtab-title");
+ titleNode.textContent = title;
+ if (this.link.titleBgColor) {
+ titleNode.style.backgroundColor = this.link.titleBgColor;
+ }
+
+ if (this.isPinned())
+ this._updateAttributes(true);
+ // Capture the page if the thumbnail is missing, which will cause page.js
+ // to be notified and call our refreshThumbnail() method.
+ this.captureIfMissing();
+ // but still display whatever thumbnail might be available now.
+ this.refreshThumbnail();
+ },
+
+ /**
+ * Called when the site's tab becomes visible for the first time.
+ * Since the newtab may be preloaded long before it's displayed,
+ * check for changed conditions and re-render if needed
+ */
+ onFirstVisible: function Site_onFirstVisible() {
+ if (this.link.endTime && this.link.endTime < Date.now()) {
+ // site needs to change landing url and background image
+ this._render();
+ }
+ else {
+ this.captureIfMissing();
+ }
+ },
+
+ /**
+ * Captures the site's thumbnail in the background, but only if there's no
+ * existing thumbnail and the page allows background captures.
+ */
+ captureIfMissing: function Site_captureIfMissing() {
+ if (!document.hidden && !this.link.imageURI) {
+ BackgroundPageThumbs.captureIfMissing(this.url);
+ }
+ },
+
+ /**
+ * Refreshes the thumbnail for the site.
+ */
+ refreshThumbnail: function Site_refreshThumbnail() {
+ let link = this.link;
+
+ let thumbnail = this._querySelector(".newtab-thumbnail.thumbnail");
+ if (link.bgColor) {
+ thumbnail.style.backgroundColor = link.bgColor;
+ }
+ let uri = link.imageURI || PageThumbs.getThumbnailURL(this.url);
+ thumbnail.style.backgroundImage = 'url("' + uri + '")';
+
+ if (THUMBNAIL_PLACEHOLDER_ENABLED &&
+ link.type == "history" &&
+ link.baseDomain) {
+ let placeholder = this._querySelector(".newtab-thumbnail.placeholder");
+ let charCodeSum = 0;
+ for (let c of link.baseDomain) {
+ charCodeSum += c.charCodeAt(0);
+ }
+ const COLORS = 16;
+ let hue = Math.round((charCodeSum % COLORS) / COLORS * 360);
+ placeholder.style.backgroundColor = "hsl(" + hue + ",80%,40%)";
+ placeholder.textContent = link.baseDomain.substr(0,1).toUpperCase();
+ }
+ },
+
+ _ignoreHoverEvents: function(element) {
+ element.addEventListener("mouseover", () => {
+ this.cell.node.setAttribute("ignorehover", "true");
+ });
+ element.addEventListener("mouseout", () => {
+ this.cell.node.removeAttribute("ignorehover");
+ });
+ },
+
+ /**
+ * Adds event handlers for the site and its buttons.
+ */
+ _addEventHandlers: function Site_addEventHandlers() {
+ // Register drag-and-drop event handlers.
+ this._node.addEventListener("dragstart", this, false);
+ this._node.addEventListener("dragend", this, false);
+ this._node.addEventListener("mouseover", this, false);
+ },
+
+ /**
+ * Speculatively opens a connection to the current site.
+ */
+ _speculativeConnect: function Site_speculativeConnect() {
+ let sc = Services.io.QueryInterface(Ci.nsISpeculativeConnect);
+ let uri = Services.io.newURI(this.url, null, null);
+ try {
+ // This can throw for certain internal URLs, when they wind up in
+ // about:newtab. Be sure not to propagate the error.
+ sc.speculativeConnect(uri, null);
+ } catch (e) {}
+ },
+
+ /**
+ * Record interaction with site using telemetry.
+ */
+ _recordSiteClicked: function Site_recordSiteClicked(aIndex) {
+ if (Services.prefs.prefHasUserValue("browser.newtabpage.rows") ||
+ Services.prefs.prefHasUserValue("browser.newtabpage.columns") ||
+ aIndex > 8) {
+ // We only want to get indices for the default configuration, everything
+ // else goes in the same bucket.
+ aIndex = 9;
+ }
+ Services.telemetry.getHistogramById("NEWTAB_PAGE_SITE_CLICKED")
+ .add(aIndex);
+ },
+
+ _toggleLegalText: function(buttonClass, explanationTextClass) {
+ let button = this._querySelector(buttonClass);
+ if (button.hasAttribute("active")) {
+ let explain = this._querySelector(explanationTextClass);
+ explain.parentNode.removeChild(explain);
+
+ button.removeAttribute("active");
+ }
+ },
+
+ /**
+ * Handles site click events.
+ */
+ onClick: function Site_onClick(aEvent) {
+ let action;
+ let pinned = this.isPinned();
+ let tileIndex = this.cell.index;
+ let {button, target} = aEvent;
+
+ // Handle tile/thumbnail link click
+ if (target.classList.contains("newtab-link") ||
+ target.parentElement.classList.contains("newtab-link")) {
+ // Record for primary and middle clicks
+ if (button == 0 || button == 1) {
+ this._recordSiteClicked(tileIndex);
+ action = "click";
+ }
+ }
+ // Only handle primary clicks for the remaining targets
+ else if (button == 0) {
+ aEvent.preventDefault();
+ if (target.classList.contains("newtab-control-block")) {
+ this.block();
+ action = "block";
+ }
+ else if (pinned && target.classList.contains("newtab-control-pin")) {
+ this.unpin();
+ action = "unpin";
+ }
+ else if (!pinned && target.classList.contains("newtab-control-pin")) {
+ if (this.pin()) {
+ // link has changed - update rest of the pages
+ gAllPages.update(gPage);
+ }
+ action = "pin";
+ }
+ }
+ },
+
+ /**
+ * Handles all site events.
+ */
+ handleEvent: function Site_handleEvent(aEvent) {
+ switch (aEvent.type) {
+ case "mouseover":
+ this._node.removeEventListener("mouseover", this, false);
+ this._speculativeConnect();
+ break;
+ case "dragstart":
+ gDrag.start(this, aEvent);
+ break;
+ case "dragend":
+ gDrag.end(this, aEvent);
+ break;
+ }
+ }
+};
diff --git a/components/newtab/transformations.js b/components/newtab/transformations.js
new file mode 100644
index 0000000..f7db0ad
--- /dev/null
+++ b/components/newtab/transformations.js
@@ -0,0 +1,270 @@
+#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
+
+/**
+ * This singleton allows to transform the grid by repositioning a site's node
+ * in the DOM and by showing or hiding the node. It additionally provides
+ * convenience methods to work with a site's DOM node.
+ */
+var gTransformation = {
+ /**
+ * Returns the width of the left and top border of a cell. We need to take it
+ * into account when measuring and comparing site and cell positions.
+ */
+ get _cellBorderWidths() {
+ let cstyle = window.getComputedStyle(gGrid.cells[0].node, null);
+ let widths = {
+ left: parseInt(cstyle.getPropertyValue("border-left-width")),
+ top: parseInt(cstyle.getPropertyValue("border-top-width"))
+ };
+
+ // Cache this value, overwrite the getter.
+ Object.defineProperty(this, "_cellBorderWidths",
+ {value: widths, enumerable: true});
+
+ return widths;
+ },
+
+ /**
+ * Gets a DOM node's position.
+ * @param aNode The DOM node.
+ * @return A Rect instance with the position.
+ */
+ getNodePosition: function Transformation_getNodePosition(aNode) {
+ let {left, top, width, height} = aNode.getBoundingClientRect();
+ return new Rect(left + scrollX, top + scrollY, width, height);
+ },
+
+ /**
+ * Fades a given node from zero to full opacity.
+ * @param aNode The node to fade.
+ * @param aCallback The callback to call when finished.
+ */
+ fadeNodeIn: function Transformation_fadeNodeIn(aNode, aCallback) {
+ this._setNodeOpacity(aNode, 1, function () {
+ // Clear the style property.
+ aNode.style.opacity = "";
+
+ if (aCallback)
+ aCallback();
+ });
+ },
+
+ /**
+ * Fades a given node from full to zero opacity.
+ * @param aNode The node to fade.
+ * @param aCallback The callback to call when finished.
+ */
+ fadeNodeOut: function Transformation_fadeNodeOut(aNode, aCallback) {
+ this._setNodeOpacity(aNode, 0, aCallback);
+ },
+
+ /**
+ * Fades a given site from zero to full opacity.
+ * @param aSite The site to fade.
+ * @param aCallback The callback to call when finished.
+ */
+ showSite: function Transformation_showSite(aSite, aCallback) {
+ this.fadeNodeIn(aSite.node, aCallback);
+ },
+
+ /**
+ * Fades a given site from full to zero opacity.
+ * @param aSite The site to fade.
+ * @param aCallback The callback to call when finished.
+ */
+ hideSite: function Transformation_hideSite(aSite, aCallback) {
+ this.fadeNodeOut(aSite.node, aCallback);
+ },
+
+ /**
+ * Allows to set a site's position.
+ * @param aSite The site to re-position.
+ * @param aPosition The desired position for the given site.
+ */
+ setSitePosition: function Transformation_setSitePosition(aSite, aPosition) {
+ let style = aSite.node.style;
+ let {top, left} = aPosition;
+
+ style.top = top + "px";
+ style.left = left + "px";
+ },
+
+ /**
+ * Freezes a site in its current position by positioning it absolute.
+ * @param aSite The site to freeze.
+ */
+ freezeSitePosition: function Transformation_freezeSitePosition(aSite) {
+ if (this._isFrozen(aSite))
+ return;
+
+ let style = aSite.node.style;
+ let comp = getComputedStyle(aSite.node, null);
+ style.width = comp.getPropertyValue("width");
+ style.height = comp.getPropertyValue("height");
+
+ aSite.node.setAttribute("frozen", "true");
+ this.setSitePosition(aSite, this.getNodePosition(aSite.node));
+ },
+
+ /**
+ * Unfreezes a site by removing its absolute positioning.
+ * @param aSite The site to unfreeze.
+ */
+ unfreezeSitePosition: function Transformation_unfreezeSitePosition(aSite) {
+ if (!this._isFrozen(aSite))
+ return;
+
+ let style = aSite.node.style;
+ style.left = style.top = style.width = style.height = "";
+ aSite.node.removeAttribute("frozen");
+ },
+
+ /**
+ * Slides the given site to the target node's position.
+ * @param aSite The site to move.
+ * @param aTarget The slide target.
+ * @param aOptions Set of options (see below).
+ * unfreeze - unfreeze the site after sliding
+ * callback - the callback to call when finished
+ */
+ slideSiteTo: function Transformation_slideSiteTo(aSite, aTarget, aOptions) {
+ let currentPosition = this.getNodePosition(aSite.node);
+ let targetPosition = this.getNodePosition(aTarget.node)
+ let callback = aOptions && aOptions.callback;
+
+ let self = this;
+
+ function finish() {
+ if (aOptions && aOptions.unfreeze)
+ self.unfreezeSitePosition(aSite);
+
+ if (callback)
+ callback();
+ }
+
+ // We need to take the width of a cell's border into account.
+ targetPosition.left += this._cellBorderWidths.left;
+ targetPosition.top += this._cellBorderWidths.top;
+
+ // Nothing to do here if the positions already match.
+ if (currentPosition.left == targetPosition.left &&
+ currentPosition.top == targetPosition.top) {
+ finish();
+ } else {
+ this.setSitePosition(aSite, targetPosition);
+ this._whenTransitionEnded(aSite.node, ["left", "top"], finish);
+ }
+ },
+
+ /**
+ * Rearranges a given array of sites and moves them to their new positions or
+ * fades in/out new/removed sites.
+ * @param aSites An array of sites to rearrange.
+ * @param aOptions Set of options (see below).
+ * unfreeze - unfreeze the site after rearranging
+ * callback - the callback to call when finished
+ */
+ rearrangeSites: function Transformation_rearrangeSites(aSites, aOptions) {
+ let batch = [];
+ let cells = gGrid.cells;
+ let callback = aOptions && aOptions.callback;
+ let unfreeze = aOptions && aOptions.unfreeze;
+
+ aSites.forEach(function (aSite, aIndex) {
+ // Do not re-arrange empty cells or the dragged site.
+ if (!aSite || aSite == gDrag.draggedSite)
+ return;
+
+ batch.push(new Promise(resolve => {
+ if (!cells[aIndex]) {
+ // The site disappeared from the grid, hide it.
+ this.hideSite(aSite, resolve);
+ } else if (this._getNodeOpacity(aSite.node) != 1) {
+ // The site disappeared before but is now back, show it.
+ this.showSite(aSite, resolve);
+ } else {
+ // The site's position has changed, move it around.
+ this._moveSite(aSite, aIndex, {unfreeze: unfreeze, callback: resolve});
+ }
+ }));
+ }, this);
+
+ if (callback) {
+ Promise.all(batch).then(callback);
+ }
+ },
+
+ /**
+ * Listens for the 'transitionend' event on a given node and calls the given
+ * callback.
+ * @param aNode The node that is transitioned.
+ * @param aProperties The properties we'll wait to be transitioned.
+ * @param aCallback The callback to call when finished.
+ */
+ _whenTransitionEnded:
+ function Transformation_whenTransitionEnded(aNode, aProperties, aCallback) {
+
+ let props = new Set(aProperties);
+ aNode.addEventListener("transitionend", function onEnd(e) {
+ if (props.has(e.propertyName)) {
+ aNode.removeEventListener("transitionend", onEnd);
+ aCallback();
+ }
+ });
+ },
+
+ /**
+ * Gets a given node's opacity value.
+ * @param aNode The node to get the opacity value from.
+ * @return The node's opacity value.
+ */
+ _getNodeOpacity: function Transformation_getNodeOpacity(aNode) {
+ let cstyle = window.getComputedStyle(aNode, null);
+ return cstyle.getPropertyValue("opacity");
+ },
+
+ /**
+ * Sets a given node's opacity.
+ * @param aNode The node to set the opacity value for.
+ * @param aOpacity The opacity value to set.
+ * @param aCallback The callback to call when finished.
+ */
+ _setNodeOpacity:
+ function Transformation_setNodeOpacity(aNode, aOpacity, aCallback) {
+
+ if (this._getNodeOpacity(aNode) == aOpacity) {
+ if (aCallback)
+ aCallback();
+ } else {
+ if (aCallback) {
+ this._whenTransitionEnded(aNode, ["opacity"], aCallback);
+ }
+
+ aNode.style.opacity = aOpacity;
+ }
+ },
+
+ /**
+ * Moves a site to the cell with the given index.
+ * @param aSite The site to move.
+ * @param aIndex The target cell's index.
+ * @param aOptions Options that are directly passed to slideSiteTo().
+ */
+ _moveSite: function Transformation_moveSite(aSite, aIndex, aOptions) {
+ this.freezeSitePosition(aSite);
+ this.slideSiteTo(aSite, gGrid.cells[aIndex], aOptions);
+ },
+
+ /**
+ * Checks whether a site is currently frozen.
+ * @param aSite The site to check.
+ * @return Whether the given site is frozen.
+ */
+ _isFrozen: function Transformation_isFrozen(aSite) {
+ return aSite.node.hasAttribute("frozen");
+ }
+};
diff --git a/components/newtab/undo.js b/components/newtab/undo.js
new file mode 100644
index 0000000..b856914
--- /dev/null
+++ b/components/newtab/undo.js
@@ -0,0 +1,116 @@
+#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
+
+/**
+ * Dialog allowing to undo the removal of single site or to completely restore
+ * the grid's original state.
+ */
+var gUndoDialog = {
+ /**
+ * The undo dialog's timeout in miliseconds.
+ */
+ HIDE_TIMEOUT_MS: 15000,
+
+ /**
+ * Contains undo information.
+ */
+ _undoData: null,
+
+ /**
+ * Initializes the undo dialog.
+ */
+ init: function UndoDialog_init() {
+ this._undoContainer = document.getElementById("newtab-undo-container");
+ this._undoContainer.addEventListener("click", this, false);
+ this._undoButton = document.getElementById("newtab-undo-button");
+ this._undoCloseButton = document.getElementById("newtab-undo-close-button");
+ this._undoRestoreButton = document.getElementById("newtab-undo-restore-button");
+ },
+
+ /**
+ * Shows the undo dialog.
+ * @param aSite The site that just got removed.
+ */
+ show: function UndoDialog_show(aSite) {
+ if (this._undoData)
+ clearTimeout(this._undoData.timeout);
+
+ this._undoData = {
+ index: aSite.cell.index,
+ wasPinned: aSite.isPinned(),
+ blockedLink: aSite.link,
+ timeout: setTimeout(this.hide.bind(this), this.HIDE_TIMEOUT_MS)
+ };
+
+ this._undoContainer.removeAttribute("undo-disabled");
+ this._undoButton.removeAttribute("tabindex");
+ this._undoCloseButton.removeAttribute("tabindex");
+ this._undoRestoreButton.removeAttribute("tabindex");
+ },
+
+ /**
+ * Hides the undo dialog.
+ */
+ hide: function UndoDialog_hide() {
+ if (!this._undoData)
+ return;
+
+ clearTimeout(this._undoData.timeout);
+ this._undoData = null;
+ this._undoContainer.setAttribute("undo-disabled", "true");
+ this._undoButton.setAttribute("tabindex", "-1");
+ this._undoCloseButton.setAttribute("tabindex", "-1");
+ this._undoRestoreButton.setAttribute("tabindex", "-1");
+ },
+
+ /**
+ * The undo dialog event handler.
+ * @param aEvent The event to handle.
+ */
+ handleEvent: function UndoDialog_handleEvent(aEvent) {
+ switch (aEvent.target.id) {
+ case "newtab-undo-button":
+ this._undo();
+ break;
+ case "newtab-undo-restore-button":
+ this._undoAll();
+ break;
+ case "newtab-undo-close-button":
+ this.hide();
+ break;
+ }
+ },
+
+ /**
+ * Undo the last blocked site.
+ */
+ _undo: function UndoDialog_undo() {
+ if (!this._undoData)
+ return;
+
+ let {index, wasPinned, blockedLink} = this._undoData;
+ gBlockedLinks.unblock(blockedLink);
+
+ if (wasPinned) {
+ gPinnedLinks.pin(blockedLink, index);
+ }
+
+ gUpdater.updateGrid();
+ this.hide();
+ },
+
+ /**
+ * Undo all blocked sites.
+ */
+ _undoAll: function UndoDialog_undoAll() {
+ NewTabUtils.undoAll(function() {
+ gUpdater.updateGrid();
+ this.hide();
+ }.bind(this));
+ }
+};
+
+gUndoDialog.init();
diff --git a/components/newtab/updater.js b/components/newtab/updater.js
new file mode 100644
index 0000000..2bab74d
--- /dev/null
+++ b/components/newtab/updater.js
@@ -0,0 +1,177 @@
+#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
+
+/**
+ * This singleton provides functionality to update the current grid to a new
+ * set of pinned and blocked sites. It adds, moves and removes sites.
+ */
+var gUpdater = {
+ /**
+ * Updates the current grid according to its pinned and blocked sites.
+ * This removes old, moves existing and creates new sites to fill gaps.
+ * @param aCallback The callback to call when finished.
+ */
+ updateGrid: function Updater_updateGrid(aCallback) {
+ let links = gLinks.getLinks().slice(0, gGrid.cells.length);
+
+ // Find all sites that remain in the grid.
+ let sites = this._findRemainingSites(links);
+
+ // Remove sites that are no longer in the grid.
+ this._removeLegacySites(sites, () => {
+ // Freeze all site positions so that we can move their DOM nodes around
+ // without any visual impact.
+ this._freezeSitePositions(sites);
+
+ // Move the sites' DOM nodes to their new position in the DOM. This will
+ // have no visual effect as all the sites have been frozen and will
+ // remain in their current position.
+ this._moveSiteNodes(sites);
+
+ // Now it's time to animate the sites actually moving to their new
+ // positions.
+ this._rearrangeSites(sites, () => {
+ // Try to fill empty cells and finish.
+ this._fillEmptyCells(links, aCallback);
+
+ // Update other pages that might be open to keep them synced.
+ gAllPages.update(gPage);
+ });
+ });
+ },
+
+ /**
+ * Takes an array of links and tries to correlate them to sites contained in
+ * the current grid. If no corresponding site can be found (i.e. the link is
+ * new and a site will be created) then just set it to null.
+ * @param aLinks The array of links to find sites for.
+ * @return Array of sites mapped to the given links (can contain null values).
+ */
+ _findRemainingSites: function Updater_findRemainingSites(aLinks) {
+ let map = {};
+
+ // Create a map to easily retrieve the site for a given URL.
+ gGrid.sites.forEach(function (aSite) {
+ if (aSite)
+ map[aSite.url] = aSite;
+ });
+
+ // Map each link to its corresponding site, if any.
+ return aLinks.map(function (aLink) {
+ return aLink && (aLink.url in map) && map[aLink.url];
+ });
+ },
+
+ /**
+ * Freezes the given sites' positions.
+ * @param aSites The array of sites to freeze.
+ */
+ _freezeSitePositions: function Updater_freezeSitePositions(aSites) {
+ aSites.forEach(function (aSite) {
+ if (aSite)
+ gTransformation.freezeSitePosition(aSite);
+ });
+ },
+
+ /**
+ * Moves the given sites' DOM nodes to their new positions.
+ * @param aSites The array of sites to move.
+ */
+ _moveSiteNodes: function Updater_moveSiteNodes(aSites) {
+ let cells = gGrid.cells;
+
+ // Truncate the given array of sites to not have more sites than cells.
+ // This can happen when the user drags a bookmark (or any other new kind
+ // of link) onto the grid.
+ let sites = aSites.slice(0, cells.length);
+
+ sites.forEach(function (aSite, aIndex) {
+ let cell = cells[aIndex];
+ let cellSite = cell.site;
+
+ // The site's position didn't change.
+ if (!aSite || cellSite != aSite) {
+ let cellNode = cell.node;
+
+ // Empty the cell if necessary.
+ if (cellSite)
+ cellNode.removeChild(cellSite.node);
+
+ // Put the new site in place, if any.
+ if (aSite)
+ cellNode.appendChild(aSite.node);
+ }
+ }, this);
+ },
+
+ /**
+ * Rearranges the given sites and slides them to their new positions.
+ * @param aSites The array of sites to re-arrange.
+ * @param aCallback The callback to call when finished.
+ */
+ _rearrangeSites: function Updater_rearrangeSites(aSites, aCallback) {
+ let options = {callback: aCallback, unfreeze: true};
+ gTransformation.rearrangeSites(aSites, options);
+ },
+
+ /**
+ * Removes all sites from the grid that are not in the given links array or
+ * exceed the grid.
+ * @param aSites The array of sites remaining in the grid.
+ * @param aCallback The callback to call when finished.
+ */
+ _removeLegacySites: function Updater_removeLegacySites(aSites, aCallback) {
+ let batch = [];
+
+ // Delete sites that were removed from the grid.
+ gGrid.sites.forEach(function (aSite) {
+ // The site must be valid and not in the current grid.
+ if (!aSite || aSites.indexOf(aSite) != -1)
+ return;
+
+ batch.push(new Promise(resolve => {
+ // Fade out the to-be-removed site.
+ gTransformation.hideSite(aSite, function () {
+ let node = aSite.node;
+
+ // Remove the site from the DOM.
+ node.parentNode.removeChild(node);
+ resolve();
+ });
+ }));
+ });
+
+ Promise.all(batch).then(aCallback);
+ },
+
+ /**
+ * Tries to fill empty cells with new links if available.
+ * @param aLinks The array of links.
+ * @param aCallback The callback to call when finished.
+ */
+ _fillEmptyCells: function Updater_fillEmptyCells(aLinks, aCallback) {
+ let {cells, sites} = gGrid;
+
+ // Find empty cells and fill them.
+ Promise.all(sites.map((aSite, aIndex) => {
+ if (aSite || !aLinks[aIndex])
+ return null;
+
+ return new Promise(resolve => {
+ // Create the new site and fade it in.
+ let site = gGrid.createSite(aLinks[aIndex], cells[aIndex]);
+
+ // Set the site's initial opacity to zero.
+ site.node.style.opacity = 0;
+
+ // Flush all style changes for the dynamically inserted site to make
+ // the fade-in transition work.
+ window.getComputedStyle(site.node).opacity;
+ gTransformation.showSite(site, resolve);
+ });
+ })).then(aCallback).catch(console.exception);
+ }
+};
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 04:25:36 +0000