Index: third_party/WebKit/Source/WebKit/chromium/src/ScrollbarGroup.cpp |
=================================================================== |
--- third_party/WebKit/Source/WebKit/chromium/src/ScrollbarGroup.cpp (revision 0) |
+++ third_party/WebKit/Source/WebKit/chromium/src/ScrollbarGroup.cpp (revision 0) |
@@ -0,0 +1,260 @@ |
+/* |
+ * Copyright (C) 2011 Google Inc. All rights reserved. |
+ * |
+ * Redistribution and use in source and binary forms, with or without |
+ * modification, are permitted provided that the following conditions are |
+ * met: |
+ * |
+ * * Redistributions of source code must retain the above copyright |
+ * notice, this list of conditions and the following disclaimer. |
+ * * Redistributions in binary form must reproduce the above |
+ * copyright notice, this list of conditions and the following disclaimer |
+ * in the documentation and/or other materials provided with the |
+ * distribution. |
+ * * Neither the name of Google Inc. nor the names of its |
+ * contributors may be used to endorse or promote products derived from |
+ * this software without specific prior written permission. |
+ * |
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
+ */ |
+ |
+#include "config.h" |
+#include "ScrollbarGroup.h" |
+ |
+#include "WebScrollbarImpl.h" |
+#include "WebRect.h" |
+ |
+#include "Page.h" |
+#include "Scrollbar.h" |
+#include "ScrollbarTheme.h" |
+ |
+using namespace std; |
darin (slow to review)
2011/08/10 18:00:34
is 'using namespace std' needed? doesn't look lik
|
+using namespace WebCore; |
+ |
+namespace WebKit { |
+ |
+ScrollbarGroup::ScrollbarGroup(Page* page) |
+ : m_page(page), |
+ m_horizontalScrollbar(0) |
+ , m_verticalScrollbar(0) |
+{ |
+ m_page->addScrollableArea(this); |
+} |
+ |
+ScrollbarGroup::~ScrollbarGroup() |
+{ |
+ ASSERT(!m_horizontalScrollbar); |
+ ASSERT(!m_verticalScrollbar); |
+ if (m_page) |
+ m_page->removeScrollableArea(this); |
+} |
+ |
+void ScrollbarGroup::scrollbarCreated(WebScrollbarImpl* scrollbar) |
+{ |
+ if (scrollbar->scrollbar()->orientation() == HorizontalScrollbar) { |
+ ASSERT(!m_horizontalScrollbar); |
+ m_horizontalScrollbar = scrollbar; |
+ didAddHorizontalScrollbar(scrollbar->scrollbar()); |
+ } else { |
+ ASSERT(!m_verticalScrollbar); |
+ m_verticalScrollbar = scrollbar; |
+ didAddVerticalScrollbar(scrollbar->scrollbar()); |
+ } |
+} |
+ |
+void ScrollbarGroup::scrollbarDestroyed(WebScrollbarImpl* scrollbar) |
+{ |
+ if (scrollbar == m_horizontalScrollbar) { |
+ willRemoveHorizontalScrollbar(scrollbar->scrollbar()); |
+ m_horizontalScrollbar = 0; |
+ } else { |
+ willRemoveVerticalScrollbar(scrollbar->scrollbar()); |
+ m_verticalScrollbar = 0; |
+ } |
+} |
+ |
+void ScrollbarGroup::setLastMousePosition(const IntPoint& point) |
+{ |
+ m_lastMousePosition = point; |
+} |
+ |
+int ScrollbarGroup::scrollSize(WebCore::ScrollbarOrientation orientation) const |
+{ |
+ WebScrollbarImpl* webScrollbar = orientation == HorizontalScrollbar ? m_horizontalScrollbar : m_verticalScrollbar; |
+ if (!webScrollbar) |
+ return 0; |
+ Scrollbar* scrollbar = webScrollbar->scrollbar(); |
+ return scrollbar->totalSize() - scrollbar->visibleSize(); |
+} |
+ |
+int ScrollbarGroup::scrollPosition(Scrollbar* scrollbar) const |
+{ |
+ WebScrollbarImpl* webScrollbar = scrollbar->orientation() == HorizontalScrollbar ? m_horizontalScrollbar : m_verticalScrollbar; |
+ if (!webScrollbar) |
+ return 0; |
+ return webScrollbar->scrollOffset(); |
+} |
+ |
+void ScrollbarGroup::setScrollOffset(const IntPoint& offset) |
+{ |
+ if (m_horizontalScrollbar && m_horizontalScrollbar->scrollOffset() != offset.x()) |
+ m_horizontalScrollbar->setScrollOffset(offset.x()); |
+ else if (m_verticalScrollbar && m_verticalScrollbar->scrollOffset() != offset.y()) |
+ m_verticalScrollbar->setScrollOffset(offset.y()); |
+} |
+ |
+void ScrollbarGroup::invalidateScrollbarRect(Scrollbar* scrollbar, const IntRect& rect) |
+{ |
+ if (m_horizontalScrollbar && scrollbar == m_horizontalScrollbar->scrollbar()) |
+ m_horizontalScrollbar->invalidateScrollbarRect(rect); |
+ else if (m_verticalScrollbar && scrollbar == m_verticalScrollbar->scrollbar()) |
+ m_verticalScrollbar->invalidateScrollbarRect(rect); |
+} |
+ |
+void ScrollbarGroup::invalidateScrollCornerRect(const IntRect&) |
+{ |
+} |
+ |
+bool ScrollbarGroup::isActive() const |
+{ |
+ return true; |
+} |
+ |
+ScrollableArea* ScrollbarGroup::enclosingScrollableArea() const |
+{ |
+ // FIXME: Return a parent scrollable area that can be scrolled. |
+ return 0; |
+} |
+ |
+bool ScrollbarGroup::isScrollCornerVisible() const |
+{ |
+ return false; |
+} |
+ |
+void ScrollbarGroup::getTickmarks(Vector<IntRect>& tickmarks) const |
+{ |
+ if (m_verticalScrollbar) |
+ m_verticalScrollbar->getTickmarks(tickmarks); |
+} |
+ |
+IntPoint ScrollbarGroup::convertFromContainingViewToScrollbar(const Scrollbar* scrollbar, const IntPoint& parentPoint) const |
+{ |
+ if (m_horizontalScrollbar && scrollbar == m_horizontalScrollbar->scrollbar()) |
+ return m_horizontalScrollbar->convertFromContainingViewToScrollbar(parentPoint); |
+ if (m_verticalScrollbar && scrollbar == m_verticalScrollbar->scrollbar()) |
+ return m_verticalScrollbar->convertFromContainingViewToScrollbar(parentPoint); |
+ WEBKIT_ASSERT_NOT_REACHED(); |
+ return IntPoint(); |
+} |
+ |
+Scrollbar* ScrollbarGroup::horizontalScrollbar() const |
+{ |
+ return m_horizontalScrollbar ? m_horizontalScrollbar->scrollbar() : 0; |
+} |
+ |
+Scrollbar* ScrollbarGroup::verticalScrollbar() const |
+{ |
+ return m_verticalScrollbar ? m_verticalScrollbar->scrollbar() : 0; |
+} |
+ |
+IntPoint ScrollbarGroup::scrollPosition() const |
+{ |
+ int x = m_horizontalScrollbar ? m_horizontalScrollbar->scrollOffset() : 0; |
+ int y = m_verticalScrollbar ? m_verticalScrollbar->scrollOffset() : 0; |
+ return IntPoint(x, y); |
+} |
+ |
+IntPoint ScrollbarGroup::minimumScrollPosition() const |
+{ |
+ return IntPoint(); |
+} |
+ |
+IntPoint ScrollbarGroup::maximumScrollPosition() const |
+{ |
+ return IntPoint(contentsSize().width() - visibleWidth(), contentsSize().height() - visibleHeight()); |
+} |
+ |
+int ScrollbarGroup::visibleHeight() const |
+{ |
+ if (m_verticalScrollbar) |
+ return m_verticalScrollbar->scrollbar()->height(); |
+ if (m_horizontalScrollbar) |
+ return m_horizontalScrollbar->scrollbar()->height(); |
+ WEBKIT_ASSERT_NOT_REACHED(); |
+ return 0; |
+} |
+ |
+int ScrollbarGroup::visibleWidth() const |
+{ |
+ if (m_horizontalScrollbar) |
+ return m_horizontalScrollbar->scrollbar()->width(); |
+ if (m_verticalScrollbar) |
+ return m_verticalScrollbar->scrollbar()->width(); |
+ WEBKIT_ASSERT_NOT_REACHED(); |
+ return 0; |
+} |
+ |
+IntSize ScrollbarGroup::contentsSize() const |
+{ |
+ IntSize size; |
+ if (m_horizontalScrollbar) |
+ size.setWidth(m_horizontalScrollbar->scrollbar()->totalSize()); |
+ else if (m_verticalScrollbar) { |
+ size.setWidth(m_verticalScrollbar->scrollbar()->x()); |
+ if (m_verticalScrollbar->scrollbar()->isOverlayScrollbar()) |
+ size.expand(WebScrollbar::defaultThickness(), 0); |
+ } |
+ if (m_verticalScrollbar) |
+ size.setHeight(m_verticalScrollbar->scrollbar()->totalSize()); |
+ else if (m_horizontalScrollbar) { |
+ size.setHeight(m_horizontalScrollbar->scrollbar()->y()); |
+ if (m_horizontalScrollbar->scrollbar()->isOverlayScrollbar()) |
+ size.expand(0, WebScrollbar::defaultThickness()); |
+ } |
+ return size; |
+} |
+ |
+IntSize ScrollbarGroup::overhangAmount() const |
+{ |
+ return IntSize(); |
+} |
+ |
+IntPoint ScrollbarGroup::currentMousePosition() const |
+{ |
+ return m_lastMousePosition; |
+} |
+ |
+bool ScrollbarGroup::shouldSuspendScrollAnimations() const |
+{ |
+ return false; |
+} |
+ |
+void ScrollbarGroup::scrollbarStyleChanged() |
+{ |
+ if (m_horizontalScrollbar) |
+ m_horizontalScrollbar->scrollbarStyleChanged(); |
+ if (m_verticalScrollbar) |
+ m_verticalScrollbar->scrollbarStyleChanged(); |
+} |
+ |
+bool ScrollbarGroup::isOnActivePage() const |
+{ |
+ return true; |
+} |
+ |
+void ScrollbarGroup::disconnectFromPage() |
+{ |
+ m_page = 0; |
+} |
+ |
+} // namespace WebKit |
Property changes on: third_party\WebKit\Source\WebKit\chromium\src\ScrollbarGroup.cpp |
___________________________________________________________________ |
Added: svn:eol-style |
+ LF |