| /* |
| * 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, 2008 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 "RenderPartObject.h" |
| |
| #include "Frame.h" |
| #include "FrameLoader.h" |
| #include "FrameLoaderClient.h" |
| #include "FrameTree.h" |
| #include "FrameView.h" |
| #include "HTMLEmbedElement.h" |
| #include "HTMLIFrameElement.h" |
| #include "HTMLNames.h" |
| #include "HTMLObjectElement.h" |
| #include "HTMLParamElement.h" |
| #include "MIMETypeRegistry.h" |
| #include "Page.h" |
| #include "PluginData.h" |
| #include "RenderView.h" |
| #include "Text.h" |
| |
| #ifdef FLATTEN_IFRAME |
| #include "RenderView.h" |
| #endif |
| |
| namespace WebCore { |
| |
| using namespace HTMLNames; |
| |
| RenderPartObject::RenderPartObject(HTMLFrameOwnerElement* element) |
| : RenderPart(element) |
| { |
| // init RenderObject attributes |
| setInline(true); |
| m_hasFallbackContent = false; |
| |
| if (element->hasTagName(embedTag) || element->hasTagName(objectTag)) |
| view()->frameView()->setIsVisuallyNonEmpty(); |
| } |
| |
| RenderPartObject::~RenderPartObject() |
| { |
| if (m_view) |
| m_view->removeWidgetToUpdate(this); |
| } |
| |
| static bool isURLAllowed(Document* doc, const String& url) |
| { |
| 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. |
| KURL completeURL = doc->completeURL(url); |
| bool foundSelfReference = false; |
| for (Frame* frame = doc->frame(); frame; frame = frame->tree()->parent()) { |
| if (equalIgnoringRef(frame->loader()->url(), completeURL)) { |
| if (foundSelfReference) |
| return false; |
| foundSelfReference = true; |
| } |
| } |
| return true; |
| } |
| |
| typedef HashMap<String, String, CaseFoldingHash> ClassIdToTypeMap; |
| |
| static ClassIdToTypeMap* createClassIdToTypeMap() |
| { |
| ClassIdToTypeMap* map = new ClassIdToTypeMap; |
| map->add("clsid:D27CDB6E-AE6D-11CF-96B8-444553540000", "application/x-shockwave-flash"); |
| map->add("clsid:CFCDAA03-8BE4-11CF-B84B-0020AFBBCCFA", "audio/x-pn-realaudio-plugin"); |
| map->add("clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B", "video/quicktime"); |
| map->add("clsid:166B1BCA-3F9C-11CF-8075-444553540000", "application/x-director"); |
| #if ENABLE(ACTIVEX_TYPE_CONVERSION_WMPLAYER) |
| map->add("clsid:6BF52A52-394A-11D3-B153-00C04F79FAA6", "application/x-mplayer2"); |
| map->add("clsid:22D6F312-B0F6-11D0-94AB-0080C74C7E95", "application/x-mplayer2"); |
| #endif |
| return map; |
| } |
| |
| static const String& activeXType() |
| { |
| DEFINE_STATIC_LOCAL(String, activeXType, ("application/x-oleobject")); |
| return activeXType; |
| } |
| |
| static inline bool havePlugin(const PluginData* pluginData, const String& type) |
| { |
| return pluginData && !type.isEmpty() && pluginData->supportsMimeType(type); |
| } |
| |
| static String serviceTypeForClassId(const String& classId, const PluginData* pluginData) |
| { |
| // Return early if classId is empty (since we won't do anything below). |
| // Furthermore, if classId is null, calling get() below will crash. |
| if (classId.isEmpty()) |
| return String(); |
| |
| static ClassIdToTypeMap* map = createClassIdToTypeMap(); |
| String type = map->get(classId); |
| |
| // If we do have a plug-in that supports generic ActiveX content and don't have a plug-in |
| // for the MIME type we came up with, ignore the MIME type we came up with and just use |
| // the ActiveX type. |
| if (havePlugin(pluginData, activeXType()) && !havePlugin(pluginData, type)) |
| return activeXType(); |
| |
| return type; |
| } |
| |
| static inline bool shouldUseEmbedDescendant(HTMLObjectElement* objectElement, const PluginData* pluginData) |
| { |
| // If we have both an <object> and <embed>, we always want to use the <embed> except when we have |
| // an ActiveX plug-in and plan to use it. |
| return !(havePlugin(pluginData, activeXType()) |
| && serviceTypeForClassId(objectElement->classId(), pluginData) == activeXType()); |
| } |
| |
| 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()); |
| |
| o->setNeedWidgetUpdate(false); |
| if (!o->isFinishedParsingChildren()) |
| return; |
| |
| // Check for a child EMBED tag. |
| HTMLEmbedElement* embed = 0; |
| const PluginData* pluginData = frame->page()->pluginData(); |
| if (shouldUseEmbedDescendant(o, pluginData)) { |
| 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->serviceType(); |
| } else |
| embedOrObject = (HTMLElement *)o; |
| |
| // If there was no URL or type defined in EMBED, try the OBJECT tag. |
| if (url.isEmpty()) |
| url = o->url(); |
| if (serviceType.isEmpty()) |
| serviceType = o->serviceType(); |
| |
| HashSet<StringImpl*, CaseFoldingHash> 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(); |
| if (url.isEmpty() && (equalIgnoringCase(name, "src") || equalIgnoringCase(name, "movie") || equalIgnoringCase(name, "code") || equalIgnoringCase(name, "url"))) |
| url = p->value(); |
| if (serviceType.isEmpty() && equalIgnoringCase(name, "type")) { |
| serviceType = p->value(); |
| int pos = serviceType.find(";"); |
| if (pos != -1) |
| serviceType = serviceType.left(pos); |
| } |
| if (!embed && !name.isEmpty()) { |
| uniqueParamNames.add(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.string()); |
| paramValues.append(it->value().string()); |
| } |
| } |
| } |
| |
| // If we still don't have a type, try to map from a specific CLASSID to a type. |
| if (serviceType.isEmpty()) |
| serviceType = serviceTypeForClassId(o->classId(), pluginData); |
| |
| 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()); |
| o->setNeedWidgetUpdate(false); |
| 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) { |
| for (unsigned i = 0; i < a->length(); ++i) { |
| Attribute* it = a->attributeItem(i); |
| paramNames.append(it->name().localName().string()); |
| paramValues.append(it->value().string()); |
| } |
| } |
| |
| 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); |
| } |
| } |
| |
| void RenderPartObject::layout() |
| { |
| ASSERT(needsLayout()); |
| |
| calcWidth(); |
| calcHeight(); |
| |
| #ifdef FLATTEN_IFRAME |
| // Some IFrames have a width and/or height of 1 when they are meant to be |
| // hidden. If that is the case, don't try to expand. |
| int w = width(); |
| int h = height(); |
| if (m_widget && m_widget->isFrameView() && |
| w > 1 && h > 1) { |
| FrameView* view = static_cast<FrameView*>(m_widget); |
| RenderView* root = NULL; |
| if (view->frame() && view->frame()->document() && |
| view->frame()->document()->renderer() && view->frame()->document()->renderer()->isRenderView()) |
| root = static_cast<RenderView*>(view->frame()->document()->renderer()); |
| if (root) { |
| // Update the dimensions to get the correct minimum preferred width |
| updateWidgetPosition(); |
| |
| // Use the preferred width if it is larger. |
| setWidth(max(w, root->minPrefWidth())); |
| int extraWidth = paddingLeft() + paddingRight() + borderLeft() + borderRight(); |
| int extraHeight = paddingTop() + paddingBottom() + borderTop() + borderBottom(); |
| // Resize the view to recalc the height. |
| int height = h - extraHeight; |
| int width = w - extraWidth; |
| if (width > view->width()) |
| height = 0; |
| if (width != view->width() || height != view->height()) { |
| view->resize(width, height); |
| root->setNeedsLayout(true, false); |
| } |
| // Layout the view. |
| if (view->needsLayout()) |
| view->layout(); |
| int contentHeight = view->contentsHeight(); |
| int contentWidth = view->contentsWidth(); |
| // Do not shrink iframes with specified sizes |
| if (contentHeight > h || style()->height().isAuto()) |
| setHeight(contentHeight); |
| setWidth(std::min(contentWidth, 800)); |
| } |
| } |
| #endif |
| 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); |
| } |
| } |
| |
| } |
