chrome/common/custom_handlers/protocol_handler.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/common/custom_handlers/protocol_handler.h"
   6
   7 #include "base/strings/string_util.h"
   8 #include "base/strings/utf_string_conversions.h"
   9 #include "net/base/escape.h"
  10
  11
  12 ProtocolHandler::ProtocolHandler(const std::string& protocol,
  13                                  const GURL& url)
  14     : protocol_(protocol),
  15       url_(url) {
  16 }
  17
  18 ProtocolHandler ProtocolHandler::CreateProtocolHandler(
  19     const std::string& protocol,
  20     const GURL& url) {
  21   std::string lower_protocol = StringToLowerASCII(protocol);
  22   return ProtocolHandler(lower_protocol, url);
  23 }
  24
  25 ProtocolHandler::ProtocolHandler() {
  26 }
  27
  28 bool ProtocolHandler::IsValidDict(const base::DictionaryValue* value) {
  29   // Note that "title" parameter is ignored.
  30   return value->HasKey("protocol") && value->HasKey("url");
  31 }
  32
  33 bool ProtocolHandler::IsSameOrigin(
  34     const ProtocolHandler& handler) const {
  35   return handler.url().GetOrigin() == url_.GetOrigin();
  36 }
  37
  38 const ProtocolHandler& ProtocolHandler::EmptyProtocolHandler() {
  39   static const ProtocolHandler* const kEmpty = new ProtocolHandler();
  40   return *kEmpty;
  41 }
  42
  43 ProtocolHandler ProtocolHandler::CreateProtocolHandler(
  44     const base::DictionaryValue* value) {
  45   if (!IsValidDict(value)) {
  46     return EmptyProtocolHandler();
  47   }
  48   std::string protocol, url;
  49   value->GetString("protocol", &protocol);
  50   value->GetString("url", &url);
  51   return ProtocolHandler::CreateProtocolHandler(protocol, GURL(url));
  52 }
  53
  54 GURL ProtocolHandler::TranslateUrl(const GURL& url) const {
  55   std::string translatedUrlSpec(url_.spec());
  56   ReplaceSubstringsAfterOffset(&translatedUrlSpec, 0, "%s",
  57       net::EscapeQueryParamValue(url.spec(), true));
  58   return GURL(translatedUrlSpec);
  59 }
  60
  61 base::DictionaryValue* ProtocolHandler::Encode() const {
  62   base::DictionaryValue* d = new base::DictionaryValue();
  63   d->Set("protocol", new base::StringValue(protocol_));
  64   d->Set("url", new base::StringValue(url_.spec()));
  65   return d;
  66 }
  67
  68 #if !defined(NDEBUG)
  69 std::string ProtocolHandler::ToString() const {
  70   return "{ protocol=" + protocol_ +
  71          ", url=" + url_.spec() +
  72          " }";
  73 }
  74 #endif
  75
  76 bool ProtocolHandler::operator==(const ProtocolHandler& other) const {
  77   return protocol_ == other.protocol_ && url_ == other.url_;
  78 }
  79
  80 bool ProtocolHandler::IsEquivalent(const ProtocolHandler& other) const {
  81   return protocol_ == other.protocol_ && url_ == other.url_;
  82 }
  83
  84 bool ProtocolHandler::operator<(const ProtocolHandler& other) const {
  85   return url_ < other.url_;
  86 }