Remove all support for <applet> handling in Chrome.

Source/core/html/HTMLAppletElement.cpp

-/*
- * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
- *           (C) 1999 Antti Koivisto (koivisto@kde.org)
- *           (C) 2000 Stefan Schimanski (1Stein@gmx.de)
- * Copyright (C) 2004, 2005, 2006, 2008, 2009, 2012 Apple Inc. All rights reserved.
- * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
- *
- * 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/HTMLAppletElement.h"
-
-#include "core/HTMLNames.h"
-#include "core/dom/ElementTraversal.h"
-#include "core/dom/shadow/ShadowRoot.h"
-#include "core/frame/LocalFrame.h"
-#include "core/frame/Settings.h"
-#include "core/frame/csp/ContentSecurityPolicy.h"
-#include "core/html/HTMLParamElement.h"
-#include "core/layout/LayoutApplet.h"
-#include "core/layout/LayoutBlockFlow.h"
-#include "core/loader/FrameLoader.h"
-#include "core/loader/FrameLoaderClient.h"
-#include "core/plugins/PluginPlaceholder.h"
-#include "platform/Widget.h"
-#include "platform/weborigin/KURL.h"
-#include "platform/weborigin/SecurityOrigin.h"
-
-namespace blink {
-
-using namespace HTMLNames;
-
-HTMLAppletElement::HTMLAppletElement(Document& document, bool createdByParser)
-    : HTMLPlugInElement(appletTag, document, createdByParser, ShouldNotPreferPlugInsForImages)
-{
-    m_serviceType = "application/x-java-applet";
-}
-
-PassRefPtrWillBeRawPtr<HTMLAppletElement> HTMLAppletElement::create(Document& document, bool createdByParser)
-{
-    RefPtrWillBeRawPtr<HTMLAppletElement> element = adoptRefWillBeNoop(new HTMLAppletElement(document, createdByParser));
-    element->ensureUserAgentShadowRoot();
-    return element.release();
-}
-
-void HTMLAppletElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
-{
-    if (name == altAttr
-        || name == archiveAttr
-        || name == codeAttr
-        || name == codebaseAttr
-        || name == mayscriptAttr
-        || name == objectAttr) {
-        // Do nothing.
-        return;
-    }
-
-    HTMLPlugInElement::parseAttribute(name, value);
-}
-
-bool HTMLAppletElement::isURLAttribute(const Attribute& attribute) const
-{
-    return attribute.name() == codebaseAttr || attribute.name() == objectAttr
-        || HTMLPlugInElement::isURLAttribute(attribute);
-}
-
-bool HTMLAppletElement::hasLegalLinkAttribute(const QualifiedName& name) const
-{
-    return name == codebaseAttr || HTMLPlugInElement::hasLegalLinkAttribute(name);
-}
-
-bool HTMLAppletElement::layoutObjectIsNeeded(const ComputedStyle& style)
-{
-    if (!fastHasAttribute(codeAttr) && !openShadowRoot())
-        return false;
-    return HTMLPlugInElement::layoutObjectIsNeeded(style);
-}
-
-LayoutObject* HTMLAppletElement::createLayoutObject(const ComputedStyle& style)
-{
-    if (!canEmbedJava() || openShadowRoot())
-        return LayoutObject::createObject(this, style);
-
-    if (usePlaceholderContent())
-        return new LayoutBlockFlow(this);
-
-    return new LayoutApplet(this);
-}
-
-LayoutPart* HTMLAppletElement::layoutPartForJSBindings() const
-{
-    if (!canEmbedJava())
-        return nullptr;
-    return HTMLPlugInElement::layoutPartForJSBindings();
-}
-
-LayoutPart* HTMLAppletElement::existingLayoutPart() const
-{
-    return layoutPart();
-}
-
-void HTMLAppletElement::updateWidgetInternal()
-{
-    setNeedsWidgetUpdate(false);
-    // FIXME: This should ASSERT isFinishedParsingChildren() instead.
-    if (!isFinishedParsingChildren())
-        return;
-
-    LayoutEmbeddedObject* layoutObject = layoutEmbeddedObject();
-
-    LocalFrame* frame = document().frame();
-    ASSERT(frame);
-
-    Vector<String> paramNames;
-    Vector<String> paramValues;
-
-    const AtomicString& codeBase = getAttribute(codebaseAttr);
-    if (!codeBase.isNull()) {
-        KURL codeBaseURL = document().completeURL(codeBase);
-        paramNames.append("codeBase");
-        paramValues.append(codeBase.string());
-    }
-
-    const AtomicString& archive = getAttribute(archiveAttr);
-    if (!archive.isNull()) {
-        paramNames.append("archive");
-        paramValues.append(archive.string());
-    }
-
-    const AtomicString& code = getAttribute(codeAttr);
-    paramNames.append("code");
-    paramValues.append(code.string());
-
-    // If the 'codebase' attribute is set, it serves as a relative root for the file that the Java
-    // plugin will load. If the 'code' attribute is set, and the 'archive' is not set, then we need
-    // to check the url generated by resolving 'code' against 'codebase'. If the 'archive'
-    // attribute is set, then 'code' points to a class inside the archive, so we need to check the
-    // url generated by resolving 'archive' against 'codebase'.
-    KURL urlToCheck;
-    KURL rootURL;
-    if (!codeBase.isNull())
-        rootURL = document().completeURL(codeBase);
-    if (rootURL.isNull() || !rootURL.isValid())
-        rootURL = document().url();
-
-    if (!archive.isNull())
-        urlToCheck = KURL(rootURL, archive);
-    else if (!code.isNull())
-        urlToCheck = KURL(rootURL, code);
-    if (!canEmbedURL(urlToCheck))
-        return;
-
-    const AtomicString& name = document().isHTMLDocument() ? getNameAttribute() : getIdAttribute();
-    if (!name.isNull()) {
-        paramNames.append("name");
-        paramValues.append(name.string());
-    }
-
-    paramNames.append("baseURL");
-    KURL baseURL = document().baseURL();
-    paramValues.append(baseURL.string());
-
-    const AtomicString& mayScript = getAttribute(mayscriptAttr);
-    if (!mayScript.isNull()) {
-        paramNames.append("mayScript");
-        paramValues.append(mayScript.string());
-    }
-
-    for (HTMLParamElement* param = Traversal<HTMLParamElement>::firstChild(*this); param; param = Traversal<HTMLParamElement>::nextSibling(*param)) {
-        if (param->name().isEmpty())
-            continue;
-
-        paramNames.append(param->name());
-        paramValues.append(param->value());
-    }
-
-    OwnPtrWillBeRawPtr<PluginPlaceholder> placeholder = nullptr;
-    RefPtrWillBeRawPtr<Widget> widget = nullptr;
-    if (frame->loader().allowPlugins(AboutToInstantiatePlugin)) {
-        placeholder = frame->loader().client()->createPluginPlaceholder(document(), KURL(), paramNames, paramValues, m_serviceType, false);
-        if (!placeholder)
-            widget = frame->loader().client()->createJavaAppletWidget(this, baseURL, paramNames, paramValues);
-    }
-
-    if (!placeholder && !widget) {
-        if (!layoutObject->showsUnavailablePluginIndicator())
-            layoutObject->setPluginUnavailabilityReason(LayoutEmbeddedObject::PluginMissing);
-        setPlaceholder(nullptr);
-    } else if (placeholder) {
-        setPlaceholder(placeholder.release());
-    } else if (widget) {
-        document().setContainsPlugins();
-        setWidget(widget);
-        setPlaceholder(nullptr);
-    }
-}
-
-bool HTMLAppletElement::canEmbedJava() const
-{
-    if (document().isSandboxed(SandboxPlugins))
-        return false;
-
-    Settings* settings = document().settings();
-    if (!settings)
-        return false;
-
-    if (!settings->javaEnabled())
-        return false;
-
-    return true;
-}
-
-bool HTMLAppletElement::canEmbedURL(const KURL& url) const
-{
-    if (!document().securityOrigin()->canDisplay(url)) {
-        FrameLoader::reportLocalLoadFailed(document().frame(), url.string());
-        return false;
-    }
-
-    if (!document().contentSecurityPolicy()->allowObjectFromSource(url)
-        || !document().contentSecurityPolicy()->allowPluginTypeForDocument(document(), m_serviceType, m_serviceType, url)) {
-        layoutEmbeddedObject()->setPluginUnavailabilityReason(LayoutEmbeddedObject::PluginBlockedByContentSecurityPolicy);
-        return false;
-    }
-    return true;
-}
-
-}