/* * Copyright (C) 2013 Nokia Corporation and/or its subsidiary(-ies) * Copyright (C) 2013 Samsung Electronics. 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. AND ITS 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 APPLE INC. OR ITS 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" #if USE(COORDINATED_GRAPHICS) #include "WebPage.h" #include "HitTestResult.h" #include "WebCoreArgumentCoders.h" #include "WebFrame.h" #include "WebPageProxyMessages.h" #include <WebCore/Document.h> #include <WebCore/EventHandler.h> #include <WebCore/Frame.h> #include <WebCore/FrameView.h> #include <WebCore/ScrollView.h> using namespace WebCore; namespace WebKit { void WebPage::findZoomableAreaForPoint(const IntPoint& point, const IntSize& area) { UNUSED_PARAM(area); Frame* mainframe = m_mainFrame->coreFrame(); HitTestResult result = mainframe->eventHandler().hitTestResultAtPoint(mainframe->view()->windowToContents(point), HitTestRequest::ReadOnly | HitTestRequest::Active | HitTestRequest::IgnoreClipping | HitTestRequest::DisallowShadowContent); Node* node = result.innerNode(); if (!node) return; IntRect zoomableArea = node->pixelSnappedBoundingBox(); while (true) { bool found = !node->isTextNode() && !node->isShadowRoot(); // No candidate found, bail out. if (!found && !node->parentNode()) return; // Candidate found, and it is a better candidate than its parent. // NB: A parent is considered a better candidate iff the node is // contained by it and it is the only child. if (found && (!node->parentNode() || node->parentNode()->childNodeCount() != 1)) break; node = node->parentNode(); zoomableArea.unite(node->pixelSnappedBoundingBox()); } if (node->document().frame() && node->document().frame()->view()) { const ScrollView* view = node->document().frame()->view(); zoomableArea = view->contentsToWindow(zoomableArea); } send(Messages::WebPageProxy::DidFindZoomableArea(point, zoomableArea)); } } // namespace WebKit #endif // USE(COORDINATED_GRAPHICS)