81 lines
2.6 KiB
JavaScript
81 lines
2.6 KiB
JavaScript
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is DevTools test code.
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*
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* The Initial Developer of the Original Code is
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* The Mozilla Foundation.
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*
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* Portions created by the Initial Developer are Copyright (C) 2011
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Paul Rouget <paul@mozilla.com> (Original author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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const Cu = Components.utils;
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let tempScope = {};
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Cu.import("resource:///modules/devtools/LayoutHelpers.jsm", tempScope);
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let LayoutHelpers = tempScope.LayoutHelpers;
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function isHighlighting()
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{
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let veil = InspectorUI.highlighter.veilTransparentBox;
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return !(veil.style.visibility == "hidden");
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}
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function getHighlitNode()
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{
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let h = InspectorUI.highlighter;
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if (!isHighlighting() || !h._contentRect)
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return null;
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let a = {
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x: h._contentRect.left,
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y: h._contentRect.top
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};
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let b = {
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x: a.x + h._contentRect.width,
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y: a.y + h._contentRect.height
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};
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// Get midpoint of diagonal line.
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let midpoint = midPoint(a, b);
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return LayoutHelpers.getElementFromPoint(h.win.document, midpoint.x,
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midpoint.y);
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}
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function midPoint(aPointA, aPointB)
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{
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let pointC = { };
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pointC.x = (aPointB.x - aPointA.x) / 2 + aPointA.x;
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pointC.y = (aPointB.y - aPointA.y) / 2 + aPointA.y;
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return pointC;
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}
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