--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebCore/rendering/RenderPartObject.cpp Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,390 @@
+/**
+ * This file is part of the KDE project.
+ *
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ * (C) 2000 Simon Hausmann <hausmann@kde.org>
+ * (C) 2000 Stefan Schimanski (1Stein@gmx.de)
+ * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.
+ *
+ * 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 "RenderPartObject.h"
+
+#include "Document.h"
+#include "EventHandler.h"
+#include "Frame.h"
+#include "FrameLoader.h"
+#include "FrameLoaderClient.h"
+#include "FrameTree.h"
+#include "FrameView.h"
+#include "HTMLEmbedElement.h"
+#if PLATFORM(SYMBIAN)
+#include "HTMLBgsoundElement.h"
+#include "WebCoreWidget.h"
+#endif
+#include "HTMLIFrameElement.h"
+#include "HTMLNames.h"
+#include "HTMLObjectElement.h"
+#include "HTMLParamElement.h"
+#include "KURL.h"
+#include "MIMETypeRegistry.h"
+#include "Page.h"
+#include "RenderView.h"
+#include "Text.h"
+#include "Settings.h"
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+RenderPartObject::RenderPartObject(HTMLFrameOwnerElement* element)
+ : RenderPart(element)
+{
+ // init RenderObject attributes
+ setInline(true);
+ m_hasFallbackContent = false;
+}
+
+RenderPartObject::~RenderPartObject()
+{
+ if (m_view)
+ m_view->removeWidgetToUpdate(this);
+}
+
+static bool isURLAllowed(Document *doc, const String &url)
+{
+ KURL newURL(doc->completeURL(url.deprecatedString()));
+ newURL.setRef(DeprecatedString::null);
+
+ if (doc->frame()->page()->frameCount() >= 200)
+ return false;
+
+ // We allow one level of self-reference because some sites depend on that.
+ // But we don't allow more than one.
+ bool foundSelfReference = false;
+ for (Frame *frame = doc->frame(); frame; frame = frame->tree()->parent()) {
+ KURL frameURL = frame->loader()->url();
+ frameURL.setRef(DeprecatedString::null);
+ if (frameURL == newURL) {
+ if (foundSelfReference)
+ return false;
+ foundSelfReference = true;
+ }
+ }
+ return true;
+}
+
+static inline void mapClassIdToServiceType(const String& classId, String& serviceType)
+{
+ // It is ActiveX, but the nsplugin system handling
+ // should also work, that's why we don't override the
+ // serviceType with application/x-activex-handler
+ // but let the KTrader in khtmlpart::createPart() detect
+ // the user's preference: launch with activex viewer or
+ // with nspluginviewer (Niko)
+ if (classId.contains("D27CDB6E-AE6D-11cf-96B8-444553540000"))
+ serviceType = "application/x-shockwave-flash";
+ else if (classId.contains("CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA"))
+ serviceType = "audio/x-pn-realaudio-plugin";
+ else if (classId.contains("02BF25D5-8C17-4B23-BC80-D3488ABDDC6B"))
+ serviceType = "video/quicktime";
+ else if (classId.contains("166B1BCA-3F9C-11CF-8075-444553540000"))
+ serviceType = "application/x-director";
+ else if (classId.contains("6BF52A52-394A-11d3-B153-00C04F79FAA6"))
+ serviceType = "application/x-mplayer2";
+ else if (!classId.isEmpty())
+ // We have a clsid, means this is activex (Niko)
+ serviceType = "application/x-activex-handler";
+ // TODO: add more plugins here
+}
+
+void RenderPartObject::updateWidget(bool onlyCreateNonNetscapePlugins)
+{
+ String url;
+ String serviceType;
+ Vector<String> paramNames;
+ Vector<String> paramValues;
+ Frame* frame = m_view->frame();
+
+ if (element()->hasTagName(objectTag)) {
+
+ HTMLObjectElement* o = static_cast<HTMLObjectElement*>(element());
+
+ if (!o->isComplete())
+ return;
+ // Check for a child EMBED tag.
+ HTMLEmbedElement* embed = 0;
+ for (Node* child = o->firstChild(); child;) {
+ if (child->hasTagName(embedTag)) {
+ embed = static_cast<HTMLEmbedElement*>(child);
+ break;
+ } else if (child->hasTagName(objectTag))
+ child = child->nextSibling(); // Don't descend into nested OBJECT tags
+ else
+ child = child->traverseNextNode(o); // Otherwise descend (EMBEDs may be inside COMMENT tags)
+ }
+
+ // Use the attributes from the EMBED tag instead of the OBJECT tag including WIDTH and HEIGHT.
+ HTMLElement *embedOrObject;
+ if (embed) {
+ embedOrObject = (HTMLElement *)embed;
+ url = embed->url;
+ serviceType = embed->m_serviceType;
+ } else
+ embedOrObject = (HTMLElement *)o;
+
+ // If there was no URL or type defined in EMBED, try the OBJECT tag.
+ if (url.isEmpty())
+ url = o->m_url;
+ if (serviceType.isEmpty())
+ serviceType = o->m_serviceType;
+
+ HashSet<StringImpl*, CaseInsensitiveHash<StringImpl*> > uniqueParamNames;
+
+ // Scan the PARAM children.
+ // Get the URL and type from the params if we don't already have them.
+ // Get the attributes from the params if there is no EMBED tag.
+ Node *child = o->firstChild();
+ while (child && (url.isEmpty() || serviceType.isEmpty() || !embed)) {
+ if (child->hasTagName(paramTag)) {
+ HTMLParamElement* p = static_cast<HTMLParamElement*>(child);
+ String name = p->name().lower();
+ if (url.isEmpty() && (name == "src" || name == "movie" || name == "code" || name == "url"))
+ url = p->value();
+ if (serviceType.isEmpty() && name == "type") {
+ serviceType = p->value();
+ int pos = serviceType.find(";");
+ if (pos != -1)
+ serviceType = serviceType.left(pos);
+ }
+ if (!embed && !name.isEmpty()) {
+ uniqueParamNames.add(p->name().impl());
+ paramNames.append(p->name());
+ paramValues.append(p->value());
+ }
+ }
+ child = child->nextSibling();
+ }
+
+ // When OBJECT is used for an applet via Sun's Java plugin, the CODEBASE attribute in the tag
+ // points to the Java plugin itself (an ActiveX component) while the actual applet CODEBASE is
+ // in a PARAM tag. See <http://java.sun.com/products/plugin/1.2/docs/tags.html>. This means
+ // we have to explicitly suppress the tag's CODEBASE attribute if there is none in a PARAM,
+ // else our Java plugin will misinterpret it. [4004531]
+ String codebase;
+ if (!embed && MIMETypeRegistry::isJavaAppletMIMEType(serviceType)) {
+ codebase = "codebase";
+ uniqueParamNames.add(codebase.impl()); // pretend we found it in a PARAM already
+ }
+
+ // Turn the attributes of either the EMBED tag or OBJECT tag into arrays, but don't override PARAM values.
+ NamedAttrMap* attributes = embedOrObject->attributes();
+ if (attributes) {
+ for (unsigned i = 0; i < attributes->length(); ++i) {
+ Attribute* it = attributes->attributeItem(i);
+ const AtomicString& name = it->name().localName();
+ if (embed || !uniqueParamNames.contains(name.impl())) {
+ paramNames.append(name.domString());
+ paramValues.append(it->value().domString());
+ }
+ }
+ }
+
+ // If we still don't have a type, try to map from a specific CLASSID to a type.
+ if (serviceType.isEmpty() && !o->m_classId.isEmpty())
+ mapClassIdToServiceType(o->m_classId, serviceType);
+
+ // If no URL and type, abort.
+ if (url.isEmpty() && serviceType.isEmpty())
+ return;
+ if (!isURLAllowed(document(), url))
+ return;
+
+ // Find out if we support fallback content.
+ m_hasFallbackContent = false;
+ for (Node *child = o->firstChild(); child && !m_hasFallbackContent; child = child->nextSibling()) {
+ if ((!child->isTextNode() && !child->hasTagName(embedTag) && !child->hasTagName(paramTag)) || // Discount <embed> and <param>
+ (child->isTextNode() && !static_cast<Text*>(child)->containsOnlyWhitespace()))
+ m_hasFallbackContent = true;
+ }
+
+ if (onlyCreateNonNetscapePlugins) {
+ KURL completedURL;
+ if (!url.isEmpty())
+ completedURL = frame->loader()->completeURL(url);
+
+ if (frame->loader()->client()->objectContentType(completedURL, serviceType) == ObjectContentNetscapePlugin)
+ return;
+ }
+
+ bool success = frame->loader()->requestObject(this, url, AtomicString(o->name()), serviceType, paramNames, paramValues);
+ if (!success && m_hasFallbackContent)
+ o->renderFallbackContent();
+ } else if (element()->hasTagName(embedTag)) {
+ HTMLEmbedElement *o = static_cast<HTMLEmbedElement*>(element());
+ url = o->url;
+ serviceType = o->m_serviceType;
+
+ if (url.isEmpty() && serviceType.isEmpty())
+ return;
+ if (!isURLAllowed(document(), url))
+ return;
+
+ // add all attributes set on the embed object
+ NamedAttrMap* a = o->attributes();
+ if (a) {
+ for (unsigned i = 0; i < a->length(); ++i) {
+ Attribute* it = a->attributeItem(i);
+ paramNames.append(it->name().localName().domString());
+ paramValues.append(it->value().domString());
+ }
+ }
+
+ if (onlyCreateNonNetscapePlugins) {
+ KURL completedURL;
+ if (!url.isEmpty())
+ completedURL = frame->loader()->completeURL(url);
+
+ if (frame->loader()->client()->objectContentType(completedURL, serviceType) == ObjectContentNetscapePlugin)
+ return;
+
+ }
+
+ frame->loader()->requestObject(this, url, o->getAttribute(nameAttr), serviceType, paramNames, paramValues);
+ }
+#if PLATFORM(SYMBIAN)
+ else if (element()->hasTagName(bgsoundTag)) {
+
+ HTMLBgsoundElement *o = static_cast<HTMLBgsoundElement*>(element());
+ url = o->url;
+ serviceType = o->serviceType;
+
+ if (url.isEmpty() && serviceType.isEmpty())
+ return;
+
+ if (!isURLAllowed(document(), url))
+ return;
+
+ // add all attributes set on the embed object
+ NamedAttrMap* a = o->attributes();
+ if (a) {
+ bool lpattrfound = false;
+
+ for (unsigned i = 0; i < a->length(); ++i) {
+ Attribute* it = a->attributeItem(i);
+ paramNames.append(it->name().localName().domString());
+
+ if (it->name() == loopAttr) {
+
+ lpattrfound = true;
+
+ if (it->value().toInt()>0 && it->value().toInt()<=50){
+ paramValues.append(it->value().domString());
+ } else {
+ paramValues.append("50");
+ }
+
+ } else {
+ paramValues.append(it->value().domString());
+ }
+ }
+
+ if (!lpattrfound) {
+ paramNames.append("loop");
+ paramValues.append("50");
+ }
+ }
+
+ frame->loader()->requestObject(this, url, o->getAttribute(nameAttr), serviceType, paramNames, paramValues);
+ }
+#endif
+}
+
+void RenderPartObject::layout()
+{
+ ASSERT(needsLayout());
+
+ FrameView* childFrameView = static_cast<FrameView*>(m_widget);
+ RenderView* childRoot = 0;
+ calcWidth();
+ calcHeight();
+ adjustOverflowForBoxShadow();
+
+ RenderPart::layout();
+
+ if (!m_widget && m_view)
+ m_view->addWidgetToUpdate(this);
+
+ setNeedsLayout(false);
+}
+
+void RenderPartObject::viewCleared()
+{
+ if (element() && m_widget && m_widget->isFrameView()) {
+ FrameView* view = static_cast<FrameView*>(m_widget);
+ int marginw = -1;
+ int marginh = -1;
+ if (element()->hasTagName(iframeTag)) {
+ HTMLIFrameElement* frame = static_cast<HTMLIFrameElement*>(element());
+ marginw = frame->getMarginWidth();
+ marginh = frame->getMarginHeight();
+ }
+ if (marginw != -1)
+ view->setMarginWidth(marginw);
+ if (marginh != -1)
+ view->setMarginHeight(marginh);
+ }
+}
+
+#if PLATFORM(SYMBIAN)
+bool RenderPartObject::isFocusable() const
+{
+ if (m_widget)
+ return m_widget->isFocusable();
+ return false;
+}
+
+int RenderPartObject::calcReplacedWidth() const
+{
+ if (m_widget && (m_widget->getView())->hasResized()) {
+ IntRect newRect = m_widget->frameGeometry();
+ int newWidth = newRect.width();
+ if (newWidth > 0) {
+ return newWidth;
+ }
+ }
+ return RenderReplaced::calcReplacedWidth();
+}
+
+int RenderPartObject::calcReplacedHeight() const
+{
+ if (m_widget && (m_widget->getView())->hasResized()) {
+ IntRect newRect = m_widget->frameGeometry();
+ int newHeight = newRect.height();
+ if (newHeight > 0) {
+ return newHeight;
+ }
+ }
+
+ return RenderReplaced::calcReplacedHeight();
+}
+
+
+#endif
+
+}