| /* |
| * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| * (C) 1999 Antti Koivisto (koivisto@kde.org) |
| * (C) 2000 Simon Hausmann (hausmann@kde.org) |
| * (C) 2001 Dirk Mueller (mueller@kde.org) |
| * Copyright (C) 2004, 2006, 2008, 2009 Apple Inc. All rights reserved. |
| * |
| * 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 "core/html/HTMLFrameElementBase.h" |
| |
| #include "bindings/core/v8/ScriptController.h" |
| #include "bindings/core/v8/ScriptEventListener.h" |
| #include "core/HTMLNames.h" |
| #include "core/dom/Attribute.h" |
| #include "core/dom/Document.h" |
| #include "core/frame/FrameView.h" |
| #include "core/frame/LocalFrame.h" |
| #include "core/frame/RemoteFrame.h" |
| #include "core/frame/RemoteFrameView.h" |
| #include "core/html/parser/HTMLParserIdioms.h" |
| #include "core/layout/LayoutPart.h" |
| #include "core/loader/FrameLoader.h" |
| #include "core/page/FocusController.h" |
| #include "core/page/Page.h" |
| |
| namespace blink { |
| |
| using namespace HTMLNames; |
| |
| HTMLFrameElementBase::HTMLFrameElementBase(const QualifiedName& tagName, Document& document) |
| : HTMLFrameOwnerElement(tagName, document) |
| , m_scrolling(ScrollbarAuto) |
| , m_marginWidth(-1) |
| , m_marginHeight(-1) |
| { |
| } |
| |
| bool HTMLFrameElementBase::isURLAllowed() const |
| { |
| if (m_URL.isEmpty()) |
| return true; |
| |
| const KURL& completeURL = document().completeURL(m_URL); |
| |
| if (protocolIsJavaScript(completeURL)) { |
| Document* contentDoc = this->contentDocument(); |
| if (contentDoc && !ScriptController::canAccessFromCurrentOrigin(contentDoc->frame())) |
| return false; |
| } |
| |
| LocalFrame* parentFrame = document().frame(); |
| if (parentFrame) |
| return parentFrame->isURLAllowed(completeURL); |
| |
| return true; |
| } |
| |
| void HTMLFrameElementBase::openURL(bool replaceCurrentItem) |
| { |
| if (!isURLAllowed()) |
| return; |
| |
| if (m_URL.isEmpty()) |
| m_URL = AtomicString(blankURL().string()); |
| |
| LocalFrame* parentFrame = document().frame(); |
| if (!parentFrame) |
| return; |
| |
| // Support for <frame src="javascript:string"> |
| KURL scriptURL; |
| KURL url = document().completeURL(m_URL); |
| if (protocolIsJavaScript(m_URL)) { |
| scriptURL = url; |
| url = blankURL(); |
| } |
| |
| if (!loadOrRedirectSubframe(url, m_frameName, replaceCurrentItem)) |
| return; |
| if (!contentFrame() || scriptURL.isEmpty() || !contentFrame()->isLocalFrame()) |
| return; |
| toLocalFrame(contentFrame())->script().executeScriptIfJavaScriptURL(scriptURL); |
| } |
| |
| void HTMLFrameElementBase::parseAttribute(const QualifiedName& name, const AtomicString& value) |
| { |
| if (name == srcdocAttr) { |
| if (!value.isNull()) { |
| setLocation("about:srcdoc"); |
| } else { |
| const AtomicString& srcValue = fastGetAttribute(srcAttr); |
| if (!srcValue.isNull()) |
| setLocation(stripLeadingAndTrailingHTMLSpaces(srcValue)); |
| } |
| } else if (name == srcAttr && !fastHasAttribute(srcdocAttr)) { |
| setLocation(stripLeadingAndTrailingHTMLSpaces(value)); |
| } else if (name == idAttr) { |
| // Important to call through to base for the id attribute so the hasID bit gets set. |
| HTMLFrameOwnerElement::parseAttribute(name, value); |
| m_frameName = value; |
| } else if (name == nameAttr) { |
| m_frameName = value; |
| // FIXME: If we are already attached, this doesn't actually change the frame's name. |
| // FIXME: If we are already attached, this doesn't check for frame name |
| // conflicts and generate a unique frame name. |
| } else if (name == marginwidthAttr) { |
| m_marginWidth = value.toInt(); |
| // FIXME: If we are already attached, this has no effect. |
| } else if (name == marginheightAttr) { |
| m_marginHeight = value.toInt(); |
| // FIXME: If we are already attached, this has no effect. |
| } else if (name == scrollingAttr) { |
| // Auto and yes both simply mean "allow scrolling." No means "don't allow scrolling." |
| if (equalIgnoringCase(value, "auto") || equalIgnoringCase(value, "yes")) |
| m_scrolling = ScrollbarAuto; |
| else if (equalIgnoringCase(value, "no")) |
| m_scrolling = ScrollbarAlwaysOff; |
| // FIXME: If we are already attached, this has no effect. |
| } else if (name == onbeforeunloadAttr) { |
| // FIXME: should <frame> elements have beforeunload handlers? |
| setAttributeEventListener(EventTypeNames::beforeunload, createAttributeEventListener(this, name, value, eventParameterName())); |
| } else { |
| HTMLFrameOwnerElement::parseAttribute(name, value); |
| } |
| } |
| |
| void HTMLFrameElementBase::setNameAndOpenURL() |
| { |
| m_frameName = getNameAttribute(); |
| openURL(); |
| } |
| |
| Node::InsertionNotificationRequest HTMLFrameElementBase::insertedInto(ContainerNode* insertionPoint) |
| { |
| HTMLFrameOwnerElement::insertedInto(insertionPoint); |
| return InsertionShouldCallDidNotifySubtreeInsertions; |
| } |
| |
| void HTMLFrameElementBase::didNotifySubtreeInsertionsToDocument() |
| { |
| if (!document().frame()) |
| return; |
| |
| if (!SubframeLoadingDisabler::canLoadFrame(*this)) |
| return; |
| |
| setNameAndOpenURL(); |
| } |
| |
| void HTMLFrameElementBase::attach(const AttachContext& context) |
| { |
| HTMLFrameOwnerElement::attach(context); |
| |
| if (layoutPart()) { |
| if (Frame* frame = contentFrame()) { |
| if (frame->isLocalFrame()) |
| setWidget(toLocalFrame(frame)->view()); |
| else if (frame->isRemoteFrame()) |
| setWidget(toRemoteFrame(frame)->view()); |
| } |
| } |
| } |
| |
| void HTMLFrameElementBase::setLocation(const String& str) |
| { |
| m_URL = AtomicString(str); |
| |
| if (inDocument()) |
| openURL(false); |
| } |
| |
| bool HTMLFrameElementBase::supportsFocus() const |
| { |
| return true; |
| } |
| |
| void HTMLFrameElementBase::setFocus(bool received) |
| { |
| HTMLFrameOwnerElement::setFocus(received); |
| if (Page* page = document().page()) { |
| if (received) |
| page->focusController().setFocusedFrame(contentFrame()); |
| else if (page->focusController().focusedFrame() == contentFrame()) // Focus may have already been given to another frame, don't take it away. |
| page->focusController().setFocusedFrame(nullptr); |
| } |
| } |
| |
| bool HTMLFrameElementBase::isURLAttribute(const Attribute& attribute) const |
| { |
| return attribute.name() == longdescAttr || attribute.name() == srcAttr |
| || HTMLFrameOwnerElement::isURLAttribute(attribute); |
| } |
| |
| bool HTMLFrameElementBase::hasLegalLinkAttribute(const QualifiedName& name) const |
| { |
| return name == srcAttr || HTMLFrameOwnerElement::hasLegalLinkAttribute(name); |
| } |
| |
| bool HTMLFrameElementBase::isHTMLContentAttribute(const Attribute& attribute) const |
| { |
| return attribute.name() == srcdocAttr || HTMLFrameOwnerElement::isHTMLContentAttribute(attribute); |
| } |
| |
| // FIXME: Remove this code once we have input routing in the browser |
| // process. See http://crbug.com/339659. |
| void HTMLFrameElementBase::defaultEventHandler(Event* event) |
| { |
| if (contentFrame() && contentFrame()->isRemoteFrame()) { |
| toRemoteFrame(contentFrame())->forwardInputEvent(event); |
| return; |
| } |
| HTMLFrameOwnerElement::defaultEventHandler(event); |
| } |
| |
| } // namespace blink |