diff -r 000000000000 -r 4f2f89ce4247 WebCore/loader/ThreadableLoader.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/WebCore/loader/ThreadableLoader.h Fri Sep 17 09:02:29 2010 +0300 @@ -0,0 +1,85 @@ +/* + * 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 +#include +#include + +namespace WebCore { + + class ResourceError; + class ResourceRequest; + class ResourceResponse; + class ScriptExecutionContext; + class ThreadableLoaderClient; + + enum StoredCredentials { + AllowStoredCredentials, + DoNotAllowStoredCredentials + }; + + enum CrossOriginRequestPolicy { + DenyCrossOriginRequests, + UseAccessControl, + AllowCrossOriginRequests + }; + + struct ThreadableLoaderOptions { + ThreadableLoaderOptions() : sendLoadCallbacks(false), sniffContent(false), allowCredentials(false), forcePreflight(false), crossOriginRequestPolicy(DenyCrossOriginRequests) { } + bool sendLoadCallbacks; + bool sniffContent; + bool allowCredentials; // Whether HTTP credentials and cookies are sent with the request. + bool forcePreflight; // If AccessControl is used, whether to force a preflight. + CrossOriginRequestPolicy crossOriginRequestPolicy; + }; + + // Useful for doing loader operations from any thread (not threadsafe, + // just able to run on threads other than the main thread). + class ThreadableLoader : public Noncopyable { + public: + static void loadResourceSynchronously(ScriptExecutionContext*, const ResourceRequest&, ThreadableLoaderClient&, const ThreadableLoaderOptions&); + static PassRefPtr create(ScriptExecutionContext*, ThreadableLoaderClient*, const ResourceRequest&, const ThreadableLoaderOptions&); + + 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