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66 lines
1.8 KiB
Plaintext
66 lines
1.8 KiB
Plaintext
/*
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* CPPlatform+DOM.j
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* AppKit
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*
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* Created by Francisco Tolmasky.
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* Copyright 2010, 280 North, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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var DOMSafeElement = NULL,
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screenNeedsInitialization = [CPPlatform isBrowser];
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@implementation CPPlatform (DOM)
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+ (DOMElement)DOMSafeElement
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{
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if (!DOMSafeElement)
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{
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DOMSafeElement = document.createElement("div");
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DOMSafeElement.style.position = "absolute";
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DOMSafeElement.style.left = "-100000px";
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DOMSafeElement.style.top = "-100000px";
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DOMSafeElement.style.overflow = "visible";
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document.body.appendChild(DOMSafeElement);
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}
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return DOMSafeElement;
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}
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+ (void)initializeScreenIfNecessary
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{
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if (!screenNeedsInitialization)
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return;
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screenNeedsInitialization = NO;
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var body = document.body;
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body.removeChild(DOMSafeElement);
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body.innerHTML = ""; // Get rid of anything that might be lingering in the body element.
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body.style.overflow = "hidden";
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body.appendChild(DOMSafeElement);
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if (document.documentElement)
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document.documentElement.style.overflow = "hidden";
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}
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@end
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