1 files changed, 54 insertions, 0 deletions
diff --git a/net/proxy/proxy_resolver.h b/net/proxy/proxy_resolver.h
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+++ b/net/proxy/proxy_resolver.h
@@ -0,0 +1,54 @@
+// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef NET_PROXY_PROXY_RESOLVER_H_
+#define NET_PROXY_PROXY_RESOLVER_H_
+
+#include <string>
+
+#include "base/logging.h"
+
+class GURL;
+
+namespace net {
+
+class ProxyInfo;
+
+// Synchronously resolve the proxy for a URL, using a PAC script. Called on the
+// PAC Thread.
+class ProxyResolver {
+ public:
+
+  // If a subclass sets |does_fetch| to false, then the owning ProxyResolver
+  // will download PAC scripts on our behalf, and notify changes with
+  // SetPacScript(). Otherwise the subclass is expected to fetch the
+  // PAC script internally, and SetPacScript() will go unused.
+  ProxyResolver(bool does_fetch) : does_fetch_(does_fetch) {}
+
+  virtual ~ProxyResolver() {}
+
+  // Query the proxy auto-config file (specified by |pac_url|) for the proxy to
+  // use to load the given |query_url|.  Returns OK if successful or an error
+  // code otherwise.
+  virtual int GetProxyForURL(const GURL& query_url,
+                             const GURL& pac_url,
+                             ProxyInfo* results) = 0;
+
+  // Called whenever the PAC script has changed, with the contents of the
+  // PAC script. |bytes| may be empty string if there was a fetch error.
+  virtual void SetPacScript(const std::string& bytes) {
+    // Must override SetPacScript() if |does_fetch_ = true|.
+    NOTREACHED();
+  }
+
+  bool does_fetch() const { return does_fetch_; }
+
+ protected:
+  bool does_fetch_;
+};
+
+}  // namespace net
+
+#endif  // NET_PROXY_PROXY_RESOLVER_H_
+