auto import from //depot/cupcake/@136594

1 files changed, 75 insertions, 0 deletions

diff --git a/WebCore/loader/ThreadableLoader.h b/WebCore/loader/ThreadableLoader.h
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+/*
+ * Copyright (c) 2009, Google 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:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * 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.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "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 THE COPYRIGHT
+ * OWNER 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 ThreadableLoader_h
+#define ThreadableLoader_h
+
+#include <wtf/Noncopyable.h>
+#include <wtf/PassRefPtr.h>
+#include <wtf/Vector.h>
+
+namespace WebCore {
+
+    class ResourceError;
+    class ResourceRequest;
+    class ResourceResponse;
+    class ScriptExecutionContext;
+    class ThreadableLoaderClient;
+
+    enum LoadCallbacks {
+        SendLoadCallbacks,
+        DoNotSendLoadCallbacks
+    };
+
+    enum ContentSniff {
+        SniffContent,
+        DoNotSniffContent
+    };
+
+    // Useful for doing loader operations from any thread (not threadsafe, 
+    // just able to run on threads other than the main thread).
+    class ThreadableLoader : Noncopyable {
+    public:
+        static PassRefPtr<ThreadableLoader> create(ScriptExecutionContext*, ThreadableLoaderClient*, const ResourceRequest&, LoadCallbacks, ContentSniff);
+        static unsigned long loadResourceSynchronously(ScriptExecutionContext*, const ResourceRequest&, ResourceError&, ResourceResponse&, Vector<char>& data);
+
+        virtual void cancel() = 0;
+        void ref() { refThreadableLoader(); }
+        void deref() { derefThreadableLoader(); }
+
+    protected:
+        virtual ~ThreadableLoader() { }
+        virtual void refThreadableLoader() = 0;
+        virtual void derefThreadableLoader() = 0;
+    };
+
+} // namespace WebCore
+
+#endif // ThreadableLoader_h