Add webkit to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@18 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 79 insertions, 0 deletions

diff --git a/webkit/glue/feed_preview.h b/webkit/glue/feed_preview.h
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+++ b/webkit/glue/feed_preview.h
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+// Copyright 2008, 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.
+
+// URLs of the form "feed://foo" are implemented by handing an "http://"
+// URL up to the resource fetching code, then generating a preview at this
+// layer and handing that back to WebKit.
+
+#ifndef WEBKIT_GLUE_FEED_PREVIEW_H__
+#define WEBKIT_GLUE_FEED_PREVIEW_H__
+
+#include <string>
+
+#pragma warning(push, 0)
+#include "ResourceHandleClient.h"
+#pragma warning(pop)
+
+namespace WebCore {
+
+// FeedClientProxy serves as a ResourceHandleClient that forwards calls to
+// a "real" ResourceHandleClient, buffering the response so it can provide
+// a feed preview if the underlying resource request succeeds.
+class FeedClientProxy : public ResourceHandleClient {
+ public:
+  FeedClientProxy(ResourceHandleClient* client);
+  virtual ~FeedClientProxy() { }
+
+  // ResourceHandleClient overrides.
+  virtual void didReceiveResponse(ResourceHandle*, const ResourceResponse&);
+  virtual void didReceiveData(ResourceHandle*, const char*, int, int);
+  virtual void didFinishLoading(ResourceHandle*);
+  virtual void didFail(ResourceHandle*, const ResourceError&);
+
+ private:
+  // The "real" ResourceHandleClient that we're forwarding responses to.
+  ResourceHandleClient* client_;
+
+  // Whether we should insert a feed preview -- only if the request came
+  // back ok.
+  bool do_feed_preview_;
+
+  // The response data, which we can parse for the feed preview.
+  std::string data_;
+
+  // The value of the mystery lengthReceived parameter.  We accept this via
+  // didReceiveData() and forward it along unmodified.
+  // TODO(evanm): do the right thing here, once we know what that is.
+  // (See TODOs in resource_handle_win.cc.)
+  int length_received_;
+};
+
+}  // namespace WebCore
+
+#endif  // WEBKIT_GLUE_FEED_PREVIEW_H__