Home | History | Annotate | Download | only in chromium 
      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 "FramelessScrollView.h"
     33 
     34 #include "FramelessScrollViewClient.h"
     35 #include "ScrollbarTheme.h"
     36 
     37 namespace WebCore {
     38 
     39 FramelessScrollView::~FramelessScrollView()
     40 {
     41     // Remove native scrollbars now before we lose the connection to the HostWindow.
     42     setHasHorizontalScrollbar(false);
     43     setHasVerticalScrollbar(false);
     44 }
     45 
     46 void FramelessScrollView::invalidateScrollbarRect(Scrollbar* scrollbar, const IntRect& rect)
     47 {
     48     // Add in our offset within the ScrollView.
     49     IntRect dirtyRect = rect;
     50     dirtyRect.move(scrollbar->x(), scrollbar->y());
     51     invalidateRect(dirtyRect);
     52 }
     53 
     54 bool FramelessScrollView::isActive() const
     55 {
     56     // FIXME
     57     return true;
     58 }
     59 
     60 void FramelessScrollView::invalidateRect(const IntRect& rect)
     61 {
     62     if (HostWindow* h = hostWindow())
     63         h->invalidateContentsAndWindow(rect, false /*immediate*/);
     64 }
     65 
     66 HostWindow* FramelessScrollView::hostWindow() const
     67 {
     68     return const_cast<FramelessScrollViewClient*>(m_client);
     69 }
     70 
     71 IntRect FramelessScrollView::windowClipRect(bool clipToContents) const
     72 {
     73     return contentsToWindow(visibleContentRect(!clipToContents));
     74 }
     75 
     76 void FramelessScrollView::paintContents(GraphicsContext*, const IntRect&)
     77 {
     78 }
     79 
     80 void FramelessScrollView::paintScrollCorner(GraphicsContext* context, const IntRect& cornerRect)
     81 {
     82     // ScrollbarThemeComposite::paintScrollCorner incorrectly assumes that the ScrollView is a FrameView.
     83     ScrollbarTheme::defaultPaintScrollCorner(context, cornerRect);
     84 }
     85 
     86 void FramelessScrollView::contentsResized()
     87 {
     88 }
     89 
     90 void FramelessScrollView::visibleContentsResized()
     91 {
     92 }
     93 
     94 } // namespace WebCore
     95