1 /* 2 * Copyright (c) 2008, 2009, Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include "config.h" 32 #include "core/platform/chromium/FramelessScrollView.h" 33 34 #include "core/platform/chromium/FramelessScrollViewClient.h" 35 36 namespace WebCore { 37 38 FramelessScrollView::~FramelessScrollView() 39 { 40 // Remove native scrollbars now before we lose the connection to the HostWindow. 41 setHasHorizontalScrollbar(false); 42 setHasVerticalScrollbar(false); 43 } 44 45 void FramelessScrollView::invalidateScrollbarRect(Scrollbar* scrollbar, const IntRect& rect) 46 { 47 // Add in our offset within the ScrollView. 48 IntRect dirtyRect = rect; 49 dirtyRect.move(scrollbar->x(), scrollbar->y()); 50 invalidateRect(dirtyRect); 51 } 52 53 bool FramelessScrollView::isActive() const 54 { 55 // FIXME 56 return true; 57 } 58 59 ScrollableArea* FramelessScrollView::enclosingScrollableArea() const 60 { 61 // FIXME: Look for an ancestor scrollable area that can be scrolled. 62 return 0; 63 } 64 65 bool FramelessScrollView::scrollbarsCanBeActive() const 66 { 67 return isActive(); 68 } 69 70 IntRect FramelessScrollView::scrollableAreaBoundingBox() const 71 { 72 return windowClipRect(false); 73 } 74 75 void FramelessScrollView::invalidateRect(const IntRect& rect) 76 { 77 if (HostWindow* h = hostWindow()) 78 h->invalidateContentsAndRootView(rect); 79 } 80 81 HostWindow* FramelessScrollView::hostWindow() const 82 { 83 return const_cast<FramelessScrollViewClient*>(m_client); 84 } 85 86 IntRect FramelessScrollView::windowClipRect(bool clipToContents) const 87 { 88 return contentsToWindow(visibleContentRect(clipToContents ? ExcludeScrollbars : IncludeScrollbars)); 89 } 90 91 void FramelessScrollView::paintContents(GraphicsContext*, const IntRect&) 92 { 93 } 94 95 void FramelessScrollView::contentsResized() 96 { 97 } 98 99 void FramelessScrollView::visibleContentsResized() 100 { 101 } 102 103 } // namespace WebCore 104