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-rw-r--r--application/palemoon/base/content/newtab/drag.js151
1 files changed, 0 insertions, 151 deletions
diff --git a/application/palemoon/base/content/newtab/drag.js b/application/palemoon/base/content/newtab/drag.js
deleted file mode 100644
index e3928ebd0..000000000
--- a/application/palemoon/base/content/newtab/drag.js
+++ /dev/null
@@ -1,151 +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
-
-/**
- * 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);
- }
-};