1 files changed, 78 insertions, 0 deletions
diff --git a/WebCore/loader/icon/IconFetcher.h b/WebCore/loader/icon/IconFetcher.h
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+++ b/WebCore/loader/icon/IconFetcher.h
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+/*
+ * Copyright (C) 2008 Apple Inc. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#ifndef IconFetcher_h
+#define IconFetcher_h
+
+#include <wtf/RefCounted.h>
+#include <wtf/Forward.h>
+#include <wtf/Vector.h>
+
+#include "ResourceHandleClient.h"
+
+namespace WebCore {
+
+class Frame;
+struct IconLinkEntry;
+class ResourceHandle;
+class SharedBuffer;
+
+class IconFetcherClient {
+public:
+    virtual void finishedFetchingIcon(PassRefPtr<SharedBuffer> iconData) = 0;
+    
+    virtual ~IconFetcherClient() { }
+};
+
+class IconFetcher : public RefCounted<IconFetcher>, ResourceHandleClient {
+public:
+    static PassRefPtr<IconFetcher> create(Frame*, IconFetcherClient*);
+    ~IconFetcher();
+    
+    void cancel();
+    
+private:
+    IconFetcher(Frame*, IconFetcherClient*);
+    void loadEntry();
+    void loadFailed();
+    
+    PassRefPtr<SharedBuffer> createIcon();
+    
+    virtual void didReceiveResponse(ResourceHandle*, const ResourceResponse&);
+    virtual void didReceiveData(ResourceHandle*, const char*, int, int lengthReceived);
+    virtual void didFinishLoading(ResourceHandle*);
+    virtual void didFail(ResourceHandle*, const ResourceError&);
+    
+    Frame* m_frame;
+    IconFetcherClient* m_client;
+    
+    unsigned m_currentEntry;
+    RefPtr<ResourceHandle> m_handle;
+    Vector<IconLinkEntry> m_entries;
+};
+    
+} // namespace WebCore
+
+#endif // IconFetcher_h