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// 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_