/* * Copyright (C) 2004, 2006, 2007, 2008 Apple 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: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. 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. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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. */ #import "config.h" #import "ScrollView.h" #import "BlockExceptions.h" #import "FloatRect.h" #import "FloatSize.h" #import "IntRect.h" #import "Logging.h" #import "NotImplemented.h" #import "WebCoreFrameView.h" @interface NSScrollView (Details) - (NSEdgeInsets)contentInsets; @end @interface NSWindow (WebWindowDetails) - (BOOL)_needsToResetDragMargins; - (void)_setNeedsToResetDragMargins:(BOOL)needs; @end namespace WebCore { inline NSScrollView<WebCoreFrameScrollView> *ScrollView::scrollView() const { ASSERT(!platformWidget() || [platformWidget() isKindOfClass:[NSScrollView class]]); ASSERT(!platformWidget() || [platformWidget() conformsToProtocol:@protocol(WebCoreFrameScrollView)]); return static_cast<NSScrollView<WebCoreFrameScrollView> *>(platformWidget()); } NSView *ScrollView::documentView() const { BEGIN_BLOCK_OBJC_EXCEPTIONS; return [scrollView() documentView]; END_BLOCK_OBJC_EXCEPTIONS; return nil; } void ScrollView::platformAddChild(Widget* child) { BEGIN_BLOCK_OBJC_EXCEPTIONS; NSView *parentView = documentView(); NSView *childView = child->getOuterView(); ASSERT(![parentView isDescendantOf:childView]); // Suppress the resetting of drag margins since we know we can't affect them. NSWindow *window = [parentView window]; BOOL resetDragMargins = [window _needsToResetDragMargins]; [window _setNeedsToResetDragMargins:NO]; if ([childView superview] != parentView) [parentView addSubview:childView]; [window _setNeedsToResetDragMargins:resetDragMargins]; END_BLOCK_OBJC_EXCEPTIONS; } void ScrollView::platformRemoveChild(Widget* child) { child->removeFromSuperview(); } void ScrollView::platformSetScrollbarModes() { BEGIN_BLOCK_OBJC_EXCEPTIONS; [scrollView() setScrollingModes:m_horizontalScrollbarMode vertical:m_verticalScrollbarMode andLock:NO]; END_BLOCK_OBJC_EXCEPTIONS; } void ScrollView::platformScrollbarModes(ScrollbarMode& horizontal, ScrollbarMode& vertical) const { BEGIN_BLOCK_OBJC_EXCEPTIONS; [scrollView() scrollingModes:&horizontal vertical:&vertical]; END_BLOCK_OBJC_EXCEPTIONS; } void ScrollView::platformSetCanBlitOnScroll(bool canBlitOnScroll) { BEGIN_BLOCK_OBJC_EXCEPTIONS; [[scrollView() contentView] setCopiesOnScroll:canBlitOnScroll]; END_BLOCK_OBJC_EXCEPTIONS; } bool ScrollView::platformCanBlitOnScroll() const { return [[scrollView() contentView] copiesOnScroll]; } IntRect ScrollView::platformVisibleContentRect(bool includeScrollbars) const { BEGIN_BLOCK_OBJC_EXCEPTIONS; IntRect visibleContentRect = enclosingIntRect([scrollView() documentVisibleRect]); #if __MAC_OS_X_VERSION_MIN_REQUIRED >= 10100 visibleContentRect.move(scrollView().contentInsets.left, scrollView().contentInsets.top); visibleContentRect.contract(scrollView().contentInsets.left + scrollView().contentInsets.right, scrollView().contentInsets.top + scrollView().contentInsets.bottom); #endif if (includeScrollbars) { IntSize frameSize = IntSize([scrollView() frame].size); #if __MAC_OS_X_VERSION_MIN_REQUIRED >= 10100 frameSize.contract(scrollView().contentInsets.left + scrollView().contentInsets.right, scrollView().contentInsets.top + scrollView().contentInsets.bottom); #endif visibleContentRect.setSize(frameSize); } return visibleContentRect; END_BLOCK_OBJC_EXCEPTIONS; return IntRect(); } IntSize ScrollView::platformVisibleContentSize(bool includeScrollbars) const { return platformVisibleContentRect(includeScrollbars).size(); } void ScrollView::platformSetContentsSize() { BEGIN_BLOCK_OBJC_EXCEPTIONS; int w = m_contentsSize.width(); int h = m_contentsSize.height(); LOG(Frames, "%p %@ at w %d h %d\n", documentView(), [(id)[documentView() class] className], w, h); [documentView() setFrameSize:NSMakeSize(std::max(0, w), std::max(0, h))]; END_BLOCK_OBJC_EXCEPTIONS; } void ScrollView::platformSetScrollbarsSuppressed(bool repaintOnUnsuppress) { BEGIN_BLOCK_OBJC_EXCEPTIONS; [scrollView() setScrollBarsSuppressed:m_scrollbarsSuppressed repaintOnUnsuppress:repaintOnUnsuppress]; END_BLOCK_OBJC_EXCEPTIONS; } void ScrollView::platformSetScrollPosition(const IntPoint& scrollPoint) { BEGIN_BLOCK_OBJC_EXCEPTIONS; NSPoint floatPoint = scrollPoint; NSPoint tempPoint = { std::max(-[scrollView() scrollOrigin].x, floatPoint.x), std::max(-[scrollView() scrollOrigin].y, floatPoint.y) }; // Don't use NSMakePoint to work around 4213314. [documentView() scrollPoint:tempPoint]; END_BLOCK_OBJC_EXCEPTIONS; } bool ScrollView::platformScroll(ScrollDirection, ScrollGranularity) { // FIXME: It would be nice to implement this so that all of the code in WebFrameView could go away. notImplemented(); return false; } void ScrollView::platformRepaintContentRectangle(const IntRect& rect) { BEGIN_BLOCK_OBJC_EXCEPTIONS; NSView *view = documentView(); [view setNeedsDisplayInRect:rect]; END_BLOCK_OBJC_EXCEPTIONS; } // "Containing Window" means the NSWindow's coord system, which is origin lower left IntRect ScrollView::platformContentsToScreen(const IntRect& rect) const { BEGIN_BLOCK_OBJC_EXCEPTIONS; if (NSView* documentView = this->documentView()) { NSRect tempRect = rect; tempRect = [documentView convertRect:tempRect toView:nil]; #pragma clang diagnostic push #pragma clang diagnostic ignored "-Wdeprecated-declarations" tempRect.origin = [[documentView window] convertBaseToScreen:tempRect.origin]; #pragma clang diagnostic pop return enclosingIntRect(tempRect); } END_BLOCK_OBJC_EXCEPTIONS; return IntRect(); } IntPoint ScrollView::platformScreenToContents(const IntPoint& point) const { BEGIN_BLOCK_OBJC_EXCEPTIONS; if (NSView* documentView = this->documentView()) { #pragma clang diagnostic push #pragma clang diagnostic ignored "-Wdeprecated-declarations" NSPoint windowCoord = [[documentView window] convertScreenToBase: point]; #pragma clang diagnostic pop return IntPoint([documentView convertPoint:windowCoord fromView:nil]); } END_BLOCK_OBJC_EXCEPTIONS; return IntPoint(); } bool ScrollView::platformIsOffscreen() const { return ![platformWidget() window] || ![[platformWidget() window] isVisible]; } static inline NSScrollerKnobStyle toNSScrollerKnobStyle(ScrollbarOverlayStyle style) { switch (style) { case ScrollbarOverlayStyleDark: return NSScrollerKnobStyleDark; case ScrollbarOverlayStyleLight: return NSScrollerKnobStyleLight; default: return NSScrollerKnobStyleDefault; } } void ScrollView::platformSetScrollbarOverlayStyle(ScrollbarOverlayStyle overlayStyle) { [scrollView() setScrollerKnobStyle:toNSScrollerKnobStyle(overlayStyle)]; } void ScrollView::platformSetScrollOrigin(const IntPoint& origin, bool updatePositionAtAll, bool updatePositionSynchronously) { BEGIN_BLOCK_OBJC_EXCEPTIONS; [scrollView() setScrollOrigin:origin updatePositionAtAll:updatePositionAtAll immediately:updatePositionSynchronously]; END_BLOCK_OBJC_EXCEPTIONS; } } // namespace WebCore