Imported WebKit commit 2ea9d364d0f6efa8fa64acf19f451504c59be0e4 (http://svn.webkit.org/repository/webkit/trunk@104285)

1 files changed, 95 insertions, 0 deletions

diff --git a/Source/WebCore/html/HTMLImageLoader.cpp b/Source/WebCore/html/HTMLImageLoader.cpp
new file mode 100644
index 000000000..77ee1e7d8
--- /dev/null
+++ b/Source/WebCore/html/HTMLImageLoader.cpp
@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ *           (C) 1999 Antti Koivisto (koivisto@kde.org)
+ * Copyright (C) 2004, 2005, 2006, 2007, 2010 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 "HTMLImageLoader.h"
+
+#include "CachedImage.h"
+#include "Element.h"
+#include "Event.h"
+#include "EventNames.h"
+#include "HTMLNames.h"
+#include "HTMLObjectElement.h"
+#include "HTMLParserIdioms.h"
+#include "Settings.h"
+
+#if USE(JSC)
+#include "JSDOMWindowBase.h"
+#include <runtime/JSLock.h>
+#endif
+
+namespace WebCore {
+
+HTMLImageLoader::HTMLImageLoader(Element* node)
+    : ImageLoader(node)
+{
+}
+
+HTMLImageLoader::~HTMLImageLoader()
+{
+}
+
+void HTMLImageLoader::dispatchLoadEvent()
+{
+    // HTMLVideoElement uses this class to load the poster image, but it should not fire events for loading or failure.
+    if (element()->hasTagName(HTMLNames::videoTag))
+        return;
+
+    bool errorOccurred = image()->errorOccurred();
+    if (!errorOccurred && image()->response().httpStatusCode() >= 400)
+        errorOccurred = element()->hasTagName(HTMLNames::objectTag); // An <object> considers a 404 to be an error and should fire onerror.
+    element()->dispatchEvent(Event::create(errorOccurred ? eventNames().errorEvent : eventNames().loadEvent, false, false));
+}
+
+String HTMLImageLoader::sourceURI(const AtomicString& attr) const
+{
+#if ENABLE(DASHBOARD_SUPPORT)
+    Settings* settings = element()->document()->settings();
+    if (settings && settings->usesDashboardBackwardCompatibilityMode() && attr.length() > 7 && attr.startsWith("url(\"") && attr.endsWith("\")"))
+        return attr.string().substring(5, attr.length() - 7);
+#endif
+
+    return stripLeadingAndTrailingHTMLSpaces(attr);
+}
+
+void HTMLImageLoader::notifyFinished(CachedResource*)
+{
+    CachedImage* cachedImage = image();
+
+    Element* elem = element();
+    ImageLoader::notifyFinished(cachedImage);
+
+    bool loadError = cachedImage->errorOccurred() || cachedImage->response().httpStatusCode() >= 400;
+#if USE(JSC)
+    if (!loadError) {
+        if (!elem->inDocument()) {
+            JSC::JSLock lock(JSC::SilenceAssertionsOnly);
+            JSC::JSGlobalData* globalData = JSDOMWindowBase::commonJSGlobalData();
+            globalData->heap.reportExtraMemoryCost(cachedImage->encodedSize());
+        }
+    }
+#endif
+
+    if (loadError && elem->hasTagName(HTMLNames::objectTag))
+        static_cast<HTMLObjectElement*>(elem)->renderFallbackContent();
+}
+
+}