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Diffstat (limited to 'WebCore/html/HTMLAnchorElement.cpp')
| -rw-r--r-- | WebCore/html/HTMLAnchorElement.cpp | 508 |
1 files changed, 0 insertions, 508 deletions
diff --git a/WebCore/html/HTMLAnchorElement.cpp b/WebCore/html/HTMLAnchorElement.cpp deleted file mode 100644 index 0e09b5d..0000000 --- a/WebCore/html/HTMLAnchorElement.cpp +++ /dev/null @@ -1,508 +0,0 @@ -/* - * Copyright (C) 1999 Lars Knoll (knoll@kde.org) - * (C) 1999 Antti Koivisto (koivisto@kde.org) - * (C) 2000 Simon Hausmann <hausmann@kde.org> - * Copyright (C) 2003, 2006, 2007, 2008 Apple Inc. All rights reserved. - * (C) 2006 Graham Dennis (graham.dennis@gmail.com) - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public License - * along with this library; see the file COPYING.LIB. If not, write to - * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - * Boston, MA 02110-1301, USA. - */ - -#include "config.h" -#include "HTMLAnchorElement.h" - -#include "CSSHelper.h" -#include "DNS.h" -#include "Document.h" -#include "Event.h" -#include "EventHandler.h" -#include "EventNames.h" -#include "Frame.h" -#include "FrameLoader.h" -#include "FrameLoaderClient.h" -#include "HTMLImageElement.h" -#include "HTMLNames.h" -#include "KeyboardEvent.h" -#include "MouseEvent.h" -#include "MutationEvent.h" -#include "RenderFlow.h" -#include "RenderImage.h" -#include "ResourceRequest.h" -#include "SelectionController.h" -#include "Settings.h" -#include "UIEvent.h" - -namespace WebCore { - -using namespace HTMLNames; - -HTMLAnchorElement::HTMLAnchorElement(Document* doc) - : HTMLElement(aTag, doc) - , m_rootEditableElementForSelectionOnMouseDown(0) - , m_wasShiftKeyDownOnMouseDown(false) -{ -} - -HTMLAnchorElement::HTMLAnchorElement(const QualifiedName& tagName, Document* doc) - : HTMLElement(tagName, doc) - , m_rootEditableElementForSelectionOnMouseDown(0) - , m_wasShiftKeyDownOnMouseDown(false) -{ -} - -HTMLAnchorElement::~HTMLAnchorElement() -{ -} - -bool HTMLAnchorElement::supportsFocus() const -{ - if (isContentEditable()) - return HTMLElement::supportsFocus(); - return isFocusable() || (isLink() && document() && !document()->haveStylesheetsLoaded()); -} - -bool HTMLAnchorElement::isFocusable() const -{ - if (isContentEditable()) - return HTMLElement::isFocusable(); - - // FIXME: Even if we are not visible, we might have a child that is visible. - // Dave wants to fix that some day with a "has visible content" flag or the like. - if (!(isLink() && renderer() && renderer()->style()->visibility() == VISIBLE)) - return false; - - return true; -} - -bool HTMLAnchorElement::isMouseFocusable() const -{ -#if PLATFORM(GTK) - return HTMLElement::isMouseFocusable(); -#else - return false; -#endif -} - -bool HTMLAnchorElement::isKeyboardFocusable(KeyboardEvent* event) const -{ - if (!isFocusable()) - return false; - - if (!document()->frame()) - return false; - - if (!document()->frame()->eventHandler()->tabsToLinks(event)) - return false; - - // Before calling absoluteRects, check for the common case where the renderer - // or one of the continuations is non-empty, since this is a faster check and - // almost always returns true. - for (RenderObject* r = renderer(); r; r = r->continuation()) - if (r->width() > 0 && r->height() > 0) - return true; - - Vector<IntRect> rects; - int x, y; - renderer()->absolutePosition(x, y); - renderer()->absoluteRects(rects, x, y); - size_t n = rects.size(); - for (size_t i = 0; i < n; ++i) - if (!rects[i].isEmpty()) - return true; - - return false; -} - -void HTMLAnchorElement::defaultEventHandler(Event* evt) -{ - // React on clicks and on keypresses. - // Don't make this KEYUP_EVENT again, it makes khtml follow links it shouldn't, - // when pressing Enter in the combo. - if (isLink() && (evt->type() == eventNames().clickEvent || (evt->type() == eventNames().keydownEvent && focused()))) { - MouseEvent* e = 0; - if (evt->type() == eventNames().clickEvent && evt->isMouseEvent()) - e = static_cast<MouseEvent*>(evt); - - KeyboardEvent* k = 0; - if (evt->type() == eventNames().keydownEvent && evt->isKeyboardEvent()) - k = static_cast<KeyboardEvent*>(evt); - - if (e && e->button() == RightButton) { - HTMLElement::defaultEventHandler(evt); - return; - } - - // If the link is editable, then we need to check the settings to see whether or not to follow the link - if (isContentEditable()) { - EditableLinkBehavior editableLinkBehavior = EditableLinkDefaultBehavior; - if (Settings* settings = document()->settings()) - editableLinkBehavior = settings->editableLinkBehavior(); - - switch (editableLinkBehavior) { - // Always follow the link (Safari 2.0 behavior) - default: - case EditableLinkDefaultBehavior: - case EditableLinkAlwaysLive: - break; - - case EditableLinkNeverLive: - HTMLElement::defaultEventHandler(evt); - return; - - // If the selection prior to clicking on this link resided in the same editable block as this link, - // and the shift key isn't pressed, we don't want to follow the link - case EditableLinkLiveWhenNotFocused: - if (e && !e->shiftKey() && m_rootEditableElementForSelectionOnMouseDown == rootEditableElement()) { - HTMLElement::defaultEventHandler(evt); - return; - } - break; - - // Only follow the link if the shift key is down (WinIE/Firefox behavior) - case EditableLinkOnlyLiveWithShiftKey: - if (e && !e->shiftKey()) { - HTMLElement::defaultEventHandler(evt); - return; - } - break; - } - } - - if (k) { - if (k->keyIdentifier() != "Enter") { - HTMLElement::defaultEventHandler(evt); - return; - } - evt->setDefaultHandled(); - dispatchSimulatedClick(evt); - return; - } - - String url = parseURL(getAttribute(hrefAttr)); - - ASSERT(evt->target()); - ASSERT(evt->target()->toNode()); - if (evt->target()->toNode()->hasTagName(imgTag)) { - HTMLImageElement* img = static_cast<HTMLImageElement*>(evt->target()->toNode()); - if (img && img->isServerMap()) { - RenderImage* r = static_cast<RenderImage*>(img->renderer()); - if (r && e) { - int absx, absy; - r->absolutePosition(absx, absy); - int x = e->pageX() - absx; - int y = e->pageY() - absy; - url += "?"; - url += String::number(x); - url += ","; - url += String::number(y); - } else { - evt->setDefaultHandled(); - HTMLElement::defaultEventHandler(evt); - return; - } - } - } - - if (!evt->defaultPrevented() && document()->frame()) - document()->frame()->loader()->urlSelected(document()->completeURL(url), getAttribute(targetAttr), evt, false, true); - - evt->setDefaultHandled(); - } else if (isLink() && isContentEditable()) { - // This keeps track of the editable block that the selection was in (if it was in one) just before the link was clicked - // for the LiveWhenNotFocused editable link behavior - if (evt->type() == eventNames().mousedownEvent && evt->isMouseEvent() && static_cast<MouseEvent*>(evt)->button() != RightButton && document()->frame() && document()->frame()->selection()) { - MouseEvent* e = static_cast<MouseEvent*>(evt); - - m_rootEditableElementForSelectionOnMouseDown = document()->frame()->selection()->rootEditableElement(); - m_wasShiftKeyDownOnMouseDown = e && e->shiftKey(); - } else if (evt->type() == eventNames().mouseoverEvent) { - // These are cleared on mouseover and not mouseout because their values are needed for drag events, but these happen - // after mouse out events. - m_rootEditableElementForSelectionOnMouseDown = 0; - m_wasShiftKeyDownOnMouseDown = false; - } - } - - HTMLElement::defaultEventHandler(evt); -} - -void HTMLAnchorElement::setActive(bool down, bool pause) -{ - if (isContentEditable()) { - EditableLinkBehavior editableLinkBehavior = EditableLinkDefaultBehavior; - if (Settings* settings = document()->settings()) - editableLinkBehavior = settings->editableLinkBehavior(); - - switch(editableLinkBehavior) { - default: - case EditableLinkDefaultBehavior: - case EditableLinkAlwaysLive: - break; - - case EditableLinkNeverLive: - return; - - // Don't set the link to be active if the current selection is in the same editable block as - // this link - case EditableLinkLiveWhenNotFocused: - if (down && document()->frame() && document()->frame()->selection() && - document()->frame()->selection()->rootEditableElement() == rootEditableElement()) - return; - break; - - case EditableLinkOnlyLiveWithShiftKey: - return; - } - - } - - ContainerNode::setActive(down, pause); -} - -void HTMLAnchorElement::parseMappedAttribute(MappedAttribute *attr) -{ - if (attr->name() == hrefAttr) { - bool wasLink = isLink(); - setIsLink(!attr->isNull()); - if (wasLink != isLink()) - setChanged(); - if (isLink() && document()->isDNSPrefetchEnabled()) { - String value = attr->value(); - if (protocolIs(value, "http") || protocolIs(value, "https") || value.startsWith("//")) - prefetchDNS(document()->completeURL(value).host()); - } - } else if (attr->name() == nameAttr || - attr->name() == titleAttr || - attr->name() == relAttr) { - // Do nothing. - } else - HTMLElement::parseMappedAttribute(attr); -} - -void HTMLAnchorElement::accessKeyAction(bool sendToAnyElement) -{ - // send the mouse button events if the caller specified sendToAnyElement - dispatchSimulatedClick(0, sendToAnyElement); -} - -bool HTMLAnchorElement::isURLAttribute(Attribute *attr) const -{ - return attr->name() == hrefAttr; -} - -bool HTMLAnchorElement::canStartSelection() const -{ - // FIXME: We probably want this same behavior in SVGAElement too - if (!isLink()) - return HTMLElement::canStartSelection(); - return isContentEditable(); -} - -String HTMLAnchorElement::accessKey() const -{ - return getAttribute(accesskeyAttr); -} - -void HTMLAnchorElement::setAccessKey(const String &value) -{ - setAttribute(accesskeyAttr, value); -} - -String HTMLAnchorElement::charset() const -{ - return getAttribute(charsetAttr); -} - -void HTMLAnchorElement::setCharset(const String &value) -{ - setAttribute(charsetAttr, value); -} - -String HTMLAnchorElement::coords() const -{ - return getAttribute(coordsAttr); -} - -void HTMLAnchorElement::setCoords(const String &value) -{ - setAttribute(coordsAttr, value); -} - -KURL HTMLAnchorElement::href() const -{ - return document()->completeURL(getAttribute(hrefAttr)); -} - -void HTMLAnchorElement::setHref(const String &value) -{ - setAttribute(hrefAttr, value); -} - -String HTMLAnchorElement::hreflang() const -{ - return getAttribute(hreflangAttr); -} - -void HTMLAnchorElement::setHreflang(const String &value) -{ - setAttribute(hreflangAttr, value); -} - -String HTMLAnchorElement::name() const -{ - return getAttribute(nameAttr); -} - -void HTMLAnchorElement::setName(const String &value) -{ - setAttribute(nameAttr, value); -} - -String HTMLAnchorElement::rel() const -{ - return getAttribute(relAttr); -} - -void HTMLAnchorElement::setRel(const String &value) -{ - setAttribute(relAttr, value); -} - -String HTMLAnchorElement::rev() const -{ - return getAttribute(revAttr); -} - -void HTMLAnchorElement::setRev(const String &value) -{ - setAttribute(revAttr, value); -} - -String HTMLAnchorElement::shape() const -{ - return getAttribute(shapeAttr); -} - -void HTMLAnchorElement::setShape(const String &value) -{ - setAttribute(shapeAttr, value); -} - -short HTMLAnchorElement::tabIndex() const -{ - // Skip the supportsFocus check in HTMLElement. - return Element::tabIndex(); -} - -String HTMLAnchorElement::target() const -{ - return getAttribute(targetAttr); -} - -void HTMLAnchorElement::setTarget(const String &value) -{ - setAttribute(targetAttr, value); -} - -String HTMLAnchorElement::type() const -{ - return getAttribute(typeAttr); -} - -void HTMLAnchorElement::setType(const String &value) -{ - setAttribute(typeAttr, value); -} - -String HTMLAnchorElement::hash() const -{ - return "#" + href().ref(); -} - -String HTMLAnchorElement::host() const -{ - return href().host(); -} - -String HTMLAnchorElement::hostname() const -{ - const KURL& url = href(); - if (url.port() == 0) - return url.host(); - return url.host() + ":" + String::number(url.port()); -} - -String HTMLAnchorElement::pathname() const -{ - return href().path(); -} - -String HTMLAnchorElement::port() const -{ - return String::number(href().port()); -} - -String HTMLAnchorElement::protocol() const -{ - return href().protocol() + ":"; -} - -String HTMLAnchorElement::search() const -{ - return href().query(); -} - -String HTMLAnchorElement::text() const -{ - return innerText(); -} - -String HTMLAnchorElement::toString() const -{ - return href().string(); -} - -bool HTMLAnchorElement::isLiveLink() const -{ - if (!isLink()) - return false; - if (!isContentEditable()) - return true; - - EditableLinkBehavior editableLinkBehavior = EditableLinkDefaultBehavior; - if (Settings* settings = document()->settings()) - editableLinkBehavior = settings->editableLinkBehavior(); - - switch(editableLinkBehavior) { - default: - case EditableLinkDefaultBehavior: - case EditableLinkAlwaysLive: - return true; - - case EditableLinkNeverLive: - return false; - - // Don't set the link to be live if the current selection is in the same editable block as - // this link or if the shift key is down - case EditableLinkLiveWhenNotFocused: - return m_wasShiftKeyDownOnMouseDown || m_rootEditableElementForSelectionOnMouseDown != rootEditableElement(); - - case EditableLinkOnlyLiveWithShiftKey: - return m_wasShiftKeyDownOnMouseDown; - } -} - -} |