18e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project/* 28e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Copyright (C) 2003 Apple Computer, Inc. 38e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 48e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Portions are Copyright (C) 1998 Netscape Communications Corporation. 58e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 68e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Other contributors: 78e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Robert O'Callahan <roc+@cs.cmu.edu> 88e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * David Baron <dbaron@fas.harvard.edu> 98e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Christian Biesinger <cbiesinger@web.de> 108e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Randall Jesup <rjesup@wgate.com> 118e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Roland Mainz <roland.mainz@informatik.med.uni-giessen.de> 128e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Josh Soref <timeless@mac.com> 138e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Boris Zbarsky <bzbarsky@mit.edu> 148e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 158e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * This library is free software; you can redistribute it and/or 168e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * modify it under the terms of the GNU Lesser General Public 178e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * License as published by the Free Software Foundation; either 188e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * version 2.1 of the License, or (at your option) any later version. 198e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 208e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * This library is distributed in the hope that it will be useful, 218e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * but WITHOUT ANY WARRANTY; without even the implied warranty of 228e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 238e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Lesser General Public License for more details. 248e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 258e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * You should have received a copy of the GNU Lesser General Public 268e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * License along with this library; if not, write to the Free Software 278e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 288e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 298e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Alternatively, the contents of this file may be used under the terms 308e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * of either the Mozilla Public License Version 1.1, found at 318e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * http://www.mozilla.org/MPL/ (the "MPL") or the GNU General Public 328e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * License Version 2.0, found at http://www.fsf.org/copyleft/gpl.html 338e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * (the "GPL"), in which case the provisions of the MPL or the GPL are 348e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * applicable instead of those above. If you wish to allow use of your 358e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * version of this file only under the terms of one of those two 368e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * licenses (the MPL or the GPL) and not to allow others to use your 378e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * version of this file under the LGPL, indicate your decision by 388e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * deletingthe provisions above and replace them with the notice and 398e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * other provisions required by the MPL or the GPL, as the case may be. 408e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * If you do not delete the provisions above, a recipient may use your 418e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * version of this file under any of the LGPL, the MPL or the GPL. 428e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project */ 438e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 448e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#ifndef RenderMarquee_h 458e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#define RenderMarquee_h 468e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 478f72e70a9fd78eec56623b3a62e68f16b7b27e28Feng Qian#include "Length.h" 488f72e70a9fd78eec56623b3a62e68f16b7b27e28Feng Qian#include "RenderStyleConstants.h" 498e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "Timer.h" 508e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 518e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectnamespace WebCore { 528e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 538e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectclass RenderLayer; 548e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 558e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// This class handles the auto-scrolling of layers with overflow: marquee. 56ab9e7a118cf1ea2e3a93dce683b2ded3e7291ddbBen Murdochclass RenderMarquee { 57ab9e7a118cf1ea2e3a93dce683b2ded3e7291ddbBen Murdoch WTF_MAKE_NONCOPYABLE(RenderMarquee); WTF_MAKE_FAST_ALLOCATED; 588e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectpublic: 59a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch explicit RenderMarquee(RenderLayer*); 60a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch virtual ~RenderMarquee(); 618e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 628e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int speed() const { return m_speed; } 638e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int marqueeSpeed() const; 648e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 658e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project EMarqueeDirection reverseDirection() const { return static_cast<EMarqueeDirection>(-direction()); } 668e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project EMarqueeDirection direction() const; 678e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 688e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project bool isHorizontal() const; 698e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 708e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int computePosition(EMarqueeDirection, bool stopAtClientEdge); 718e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 728e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project void setEnd(int end) { m_end = end; } 738e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 748e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project void start(); 758e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project void suspend(); 768e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project void stop(); 778e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 788e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project void updateMarqueeStyle(); 798e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project void updateMarqueePosition(); 808e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 818e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectprivate: 828e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project void timerFired(Timer<RenderMarquee>*); 838e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 848e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project RenderLayer* m_layer; 858e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int m_currentLoop; 868e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int m_totalLoops; 878e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project Timer<RenderMarquee> m_timer; 888e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int m_start; 898e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int m_end; 908e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project int m_speed; 918e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project Length m_height; 928e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project bool m_reset: 1; 938e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project bool m_suspended : 1; 948e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project bool m_stopped : 1; 958e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project EMarqueeDirection m_direction : 4; 968e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project}; 978e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 988e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} // namespace WebCore 998e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1008e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#endif // RenderMarquee_h 101