Remove unused ntp_search.

chrome/browser/resources/ntp_search/position_util.js

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-/**
- * @fileoverview This file provides utility functions for position popups.
- */
-
-cr.define('cr.ui', function() {
-
-  /**
-   * Type def for rects as returned by getBoundingClientRect.
-   * @typedef { {left: number, top: number, width: number, height: number,
-   *             right: number, bottom: number}}
-   */
-  var Rect;
-
-  /** @const */
-  var AnchorType = cr.ui.AnchorType;
-
-  /**
-   * @type {number}
-   * @const
-   */
-  var BOOKMARK_BAR_HEIGHT = 48;
-
-  /**
-   * Helper function for positionPopupAroundElement and positionPopupAroundRect.
-   * @param {!Rect} anchorRect The rect for the anchor.
-   * @param {!HTMLElement} popupElement The element used for the popup.
-   * @param {AnchorType} type The type of anchoring to do.
-   * @param {boolean} invertLeftRight Whether to invert the right/left
-   *     alignment.
-   */
-  function positionPopupAroundRect(anchorRect, popupElement, type,
-                                   invertLeftRight) {
-    var popupRect = popupElement.getBoundingClientRect();
-    var availRect;
-    var ownerDoc = popupElement.ownerDocument;
-    var cs = ownerDoc.defaultView.getComputedStyle(popupElement);
-    var docElement = ownerDoc.documentElement;
-
-    if (cs.position == 'fixed') {
-      // For 'fixed' positioned popups, the available rectangle should be based
-      // on the viewport rather than the document.
-      availRect = {
-        height: docElement.clientHeight,
-        width: docElement.clientWidth,
-        top: 0,
-        bottom: docElement.clientHeight,
-        left: 0,
-        right: docElement.clientWidth
-      };
-    } else {
-      availRect = popupElement.offsetParent.getBoundingClientRect();
-    }
-
-    if (cs.direction == 'rtl')
-      invertLeftRight = !invertLeftRight;
-
-    // Flip BEFORE, AFTER based on alignment.
-    if (invertLeftRight) {
-      if (type == AnchorType.BEFORE)
-        type = AnchorType.AFTER;
-      else if (type == AnchorType.AFTER)
-        type = AnchorType.BEFORE;
-    }
-
-    // Flip type based on available size
-    switch (type) {
-      case AnchorType.BELOW:
-        // Do not flip when the type is below to avoid crbug.com/164113.
-        break;
-      case AnchorType.ABOVE:
-        if (popupRect.height > anchorRect.top &&
-            anchorRect.bottom + popupRect.height <= availRect.height) {
-          type = AnchorType.BELOW;
-        }
-        break;
-      case AnchorType.AFTER:
-        if (anchorRect.right + popupRect.width > availRect.width &&
-            popupRect.width <= anchorRect.left) {
-          type = AnchorType.BEFORE;
-        }
-        break;
-      case AnchorType.BEFORE:
-        if (popupRect.width > anchorRect.left &&
-            anchorRect.right + popupRect.width <= availRect.width) {
-          type = AnchorType.AFTER;
-        }
-        break;
-      default:
-        assert(false, 'unknown type');
-    }
-    // flipping done
-
-    var style = popupElement.style;
-    // Reset all directions.
-    style.left = style.right = style.top = style.bottom = 'auto';
-
-    // Primary direction
-    switch (type) {
-      case AnchorType.BELOW:
-        if (anchorRect.bottom + popupRect.height <= availRect.height -
-            BOOKMARK_BAR_HEIGHT) {
-          style.top = anchorRect.bottom + 'px';
-        } else {
-          style.bottom = BOOKMARK_BAR_HEIGHT + 'px';
-        }
-        break;
-      case AnchorType.ABOVE:
-        if (availRect.height - anchorRect.top >= 0)
-          style.bottom = availRect.height - anchorRect.top + 'px';
-        else
-          style.top = '0';
-        break;
-      case AnchorType.AFTER:
-        if (anchorRect.right + popupRect.width <= availRect.width)
-          style.left = anchorRect.right + 'px';
-        else
-          style.right = '0';
-        break;
-      case AnchorType.BEFORE:
-        if (availRect.width - anchorRect.left >= 0)
-          style.right = availRect.width - anchorRect.left + 'px';
-        else
-          style.left = '0';
-        break;
-    }
-
-    // Secondary direction
-    switch (type) {
-      case AnchorType.BELOW:
-      case AnchorType.ABOVE:
-        if (invertLeftRight) {
-          // align right edges
-          if (anchorRect.right - popupRect.width >= 0) {
-            style.right = availRect.width - anchorRect.right + 'px';
-
-          // align left edges
-          } else if (anchorRect.left + popupRect.width <= availRect.width) {
-            style.left = anchorRect.left + 'px';
-
-          // not enough room on either side
-          } else {
-            style.right = '0';
-          }
-        } else {
-          // align left edges
-          if (anchorRect.left + popupRect.width <= availRect.width) {
-            style.left = anchorRect.left + 'px';
-
-          // align right edges
-          } else if (anchorRect.right - popupRect.width >= 0) {
-            style.right = availRect.width - anchorRect.right + 'px';
-
-          // not enough room on either side
-          } else {
-            style.left = '0';
-          }
-        }
-        break;
-
-      case AnchorType.AFTER:
-      case AnchorType.BEFORE:
-        // align top edges
-        if (anchorRect.top + popupRect.height <= availRect.height) {
-          style.top = anchorRect.top + 'px';
-
-        // align bottom edges
-        } else if (anchorRect.bottom - popupRect.height >= 0) {
-          style.bottom = availRect.height - anchorRect.bottom + 'px';
-
-          // not enough room on either side
-        } else {
-          style.top = '0';
-        }
-        break;
-    }
-  }
-
-  /**
-   * Positions a popup element relative to an anchor element. The popup element
-   * should have position set to absolute and it should be a child of the body
-   * element.
-   * @param {!HTMLElement} anchorElement The element that the popup is anchored
-   *     to.
-   * @param {!HTMLElement} popupElement The popup element we are positioning.
-   * @param {AnchorType} type The type of anchoring we want.
-   * @param {boolean} invertLeftRight Whether to invert the right/left
-   *     alignment.
-   */
-  function positionPopupAroundElement(anchorElement, popupElement, type,
-                                      invertLeftRight) {
-    var anchorRect = anchorElement.getBoundingClientRect();
-    positionPopupAroundRect(anchorRect, popupElement, type, invertLeftRight);
-  }
-
-  /**
-   * Positions a popup around a point.
-   * @param {number} x The client x position.
-   * @param {number} y The client y position.
-   * @param {!HTMLElement} popupElement The popup element we are positioning.
-   */
-  function positionPopupAtPoint(x, y, popupElement) {
-    var rect = {
-      left: x,
-      top: y,
-      width: 0,
-      height: 0,
-      right: x,
-      bottom: y
-    };
-    positionPopupAroundRect(rect, popupElement, AnchorType.BELOW);
-  }
-
-  // Monkey patch popup positioning methods to avoid the popup being hidden
-  // by the top overlay. This is a hacky solution, but temporarily necessary
-  // until we get rid of the overlay madness.
-  // TODO(pedrosimonetti): Remove this code when deprecating the NTP5 Apps.
-  cr.ui.positionPopupAroundElement = positionPopupAroundElement;
-  cr.ui.positionPopupAtPoint = positionPopupAtPoint;
-});