1 files changed, 73 insertions, 0 deletions
diff --git a/chromium/chrome/common/custom_handlers/protocol_handler.h b/chromium/chrome/common/custom_handlers/protocol_handler.h
new file mode 100755
index 00000000000..69c195c7c56
--- /dev/null
+++ b/chromium/chrome/common/custom_handlers/protocol_handler.h
@@ -0,0 +1,73 @@
+// Copyright (c) 2012 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 CHROME_COMMON_CUSTOM_HANDLERS_PROTOCOL_HANDLER_H_
+#define CHROME_COMMON_CUSTOM_HANDLERS_PROTOCOL_HANDLER_H_
+
+#include <memory>
+#include <string>
+
+#include "base/values.h"
+#include "url/gurl.h"
+
+// A single tuple of (protocol, url) that indicates how URLs of the
+// given protocol should be rewritten to be handled.
+
+class ProtocolHandler {
+ public:
+  static ProtocolHandler CreateProtocolHandler(const std::string& protocol,
+                                               const GURL& url);
+
+  // Creates a ProtocolHandler with fields from the dictionary. Returns an
+  // empty ProtocolHandler if the input is invalid.
+  static ProtocolHandler CreateProtocolHandler(
+      const base::DictionaryValue* value);
+
+  // Returns true if the dictionary value has all the necessary fields to
+  // define a ProtocolHandler.
+  static bool IsValidDict(const base::DictionaryValue* value);
+
+  // Returns true if this handler's url has the same origin as the given one.
+  bool IsSameOrigin(const ProtocolHandler& handler) const;
+
+  // Canonical empty ProtocolHandler.
+  static const ProtocolHandler& EmptyProtocolHandler();
+
+  // Interpolates the given URL into the URL template of this handler.
+  GURL TranslateUrl(const GURL& url) const;
+
+  // Returns true if the handlers are considered equivalent when determining
+  // if both handlers can be registered, or if a handler has previously been
+  // ignored.
+  bool IsEquivalent(const ProtocolHandler& other) const;
+
+  // Encodes this protocol handler as a DictionaryValue.
+  std::unique_ptr<base::DictionaryValue> Encode() const;
+
+  const std::string& protocol() const { return protocol_; }
+  const GURL& url() const { return url_;}
+
+  bool IsEmpty() const {
+    return protocol_.empty();
+  }
+
+#if !defined(NDEBUG)
+  // Returns a string representation suitable for use in debugging.
+  std::string ToString() const;
+#endif
+
+
+  bool operator==(const ProtocolHandler& other) const;
+  bool operator<(const ProtocolHandler& other) const;
+
+ private:
+  ProtocolHandler(const std::string& protocol,
+                  const GURL& url);
+  ProtocolHandler();
+
+  std::string protocol_;
+  GURL url_;
+};
+
+#endif  // CHROME_COMMON_CUSTOM_HANDLERS_PROTOCOL_HANDLER_H_