1 files changed, 0 insertions, 270 deletions
diff --git a/components/newtab/transformations.js b/components/newtab/transformations.js
deleted file mode 100644
index f7db0ad..0000000
--- a/components/newtab/transformations.js
+++ /dev/null
@@ -1,270 +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 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");
-  }
-};