diff -r 000000000000 -r 4f2f89ce4247 WebCore/loader/ImageLoader.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/loader/ImageLoader.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ *           (C) 1999 Antti Koivisto (koivisto@kde.org)
+ * Copyright (C) 2004, 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.
+ *
+ */
+
+#ifndef ImageLoader_h
+#define ImageLoader_h
+
+#include "AtomicString.h"
+#include "CachedResourceClient.h"
+#include "CachedResourceHandle.h"
+
+namespace WebCore {
+
+class Element;
+class ImageLoadEventSender;
+
+class ImageLoader : public CachedResourceClient {
+public:
+    ImageLoader(Element*);
+    virtual ~ImageLoader();
+
+    // This function should be called when the element is attached to a document; starts
+    // loading if a load hasn't already been started.
+    void updateFromElement();
+
+    // This function should be called whenever the 'src' attribute is set, even if its value
+    // doesn't change; starts new load unconditionally (matches Firefox and Opera behavior).
+    void updateFromElementIgnoringPreviousError();
+
+    void elementWillMoveToNewOwnerDocument();
+
+    Element* element() const { return m_element; }
+    bool imageComplete() const { return m_imageComplete; }
+
+    CachedImage* image() const { return m_image.get(); }
+    void setImage(CachedImage*); // Cancels pending beforeload and load events, and doesn't dispatch new ones.
+
+    void setLoadManually(bool loadManually) { m_loadManually = loadManually; }
+
+    bool haveFiredBeforeLoadEvent() const { return m_firedBeforeLoad; }
+    bool haveFiredLoadEvent() const { return m_firedLoad; }
+
+    static void dispatchPendingBeforeLoadEvents();
+    static void dispatchPendingLoadEvents();
+
+protected:
+    virtual void notifyFinished(CachedResource*);
+
+private:
+    virtual void dispatchLoadEvent() = 0;
+    virtual String sourceURI(const AtomicString&) const = 0;
+
+    friend class ImageEventSender;
+    void dispatchPendingBeforeLoadEvent();
+    void dispatchPendingLoadEvent();
+
+    void updateRenderer();
+
+    Element* m_element;
+    CachedResourceHandle<CachedImage> m_image;
+    AtomicString m_failedLoadURL;
+    bool m_firedBeforeLoad : 1;
+    bool m_firedLoad : 1;
+    bool m_imageComplete : 1;
+    bool m_loadManually : 1;
+};
+
+}
+
+#endif