Issue 5013 - Make more methods const.- introduced JsConstValuePtr and JsConstValueList- JsValue:…

src/FilterEngine.cpp

Index: src/FilterEngine.cpp
===================================================================
--- a/src/FilterEngine.cpp
+++ b/src/FilterEngine.cpp
@@ -32,107 +32,91 @@ extern std::string jsSources[];
 
 Filter::Filter(JsValue&& value)
     : JsValue(std::move(value))
 {
   if (!IsObject())
     throw std::runtime_error("JavaScript value is not an object");
 }
 
-Filter::Type Filter::GetType()
+Filter::Type Filter::GetType() const
 {
   std::string className = GetClass();
   if (className == "BlockingFilter")
     return TYPE_BLOCKING;
   else if (className == "WhitelistFilter")
     return TYPE_EXCEPTION;
   else if (className == "ElemHideFilter")
     return TYPE_ELEMHIDE;
   else if (className == "ElemHideException")
     return TYPE_ELEMHIDE_EXCEPTION;
   else if (className == "CommentFilter")
     return TYPE_COMMENT;
   else
     return TYPE_INVALID;
 }
 
-bool Filter::IsListed()
+bool Filter::IsListed() const
 {
   JsValuePtr func = jsEngine->Evaluate("API.isListedFilter");
-  JsValueList params;
-  params.push_back(shared_from_this());
-  return func->Call(params)->AsBool();
+  return func->Call(shared_from_this())->AsBool();
 }
 
 void Filter::AddToList()
 {
   JsValuePtr func = jsEngine->Evaluate("API.addFilterToList");
-  JsValueList params;
-  params.push_back(shared_from_this());
-  func->Call(params);
+  func->Call(shared_from_this());
 }
 
 void Filter::RemoveFromList()
 {
   JsValuePtr func = jsEngine->Evaluate("API.removeFilterFromList");
-  JsValueList params;
-  params.push_back(shared_from_this());
-  func->Call(params);
+  func->Call(shared_from_this());
 }
 
 bool Filter::operator==(const Filter& filter) const
 {
   return GetProperty("text")->AsString() == filter.GetProperty("text")->AsString();
 }
 
 Subscription::Subscription(JsValue&& value)
     : JsValue(std::move(value))
 {
   if (!IsObject())
     throw std::runtime_error("JavaScript value is not an object");
 }
 
-bool Subscription::IsListed()
+bool Subscription::IsListed() const
 {
   JsValuePtr func = jsEngine->Evaluate("API.isListedSubscription");
-  JsValueList params;
-  params.push_back(shared_from_this());
-  return func->Call(params)->AsBool();
+  return func->Call(shared_from_this())->AsBool();
 }
 
 void Subscription::AddToList()
 {
   JsValuePtr func = jsEngine->Evaluate("API.addSubscriptionToList");
-  JsValueList params;
-  params.push_back(shared_from_this());
-  func->Call(params);
+  func->Call(shared_from_this());
 }
 
 void Subscription::RemoveFromList()
 {
   JsValuePtr func = jsEngine->Evaluate("API.removeSubscriptionFromList");
-  JsValueList params;
-  params.push_back(shared_from_this());
-  func->Call(params);
+  func->Call(shared_from_this());
 }
 
 void Subscription::UpdateFilters()
 {
   JsValuePtr func = jsEngine->Evaluate("API.updateSubscription");
-  JsValueList params;
-  params.push_back(shared_from_this());
-  func->Call(params);
+  func->Call(shared_from_this());
 }
 
-bool Subscription::IsUpdating()
+bool Subscription::IsUpdating() const
 {
   JsValuePtr func = jsEngine->Evaluate("API.isSubscriptionUpdating");
-  JsValueList params;
-  params.push_back(shared_from_this());
-  JsValuePtr result = func->Call(params);
+  JsValuePtr result = func->Call(shared_from_this());
   return result->AsBool();
 }
 
 bool Subscription::operator==(const Subscription& subscription) const
 {
   return GetProperty("url")->AsString() == subscription.GetProperty("url")->AsString();
 }
 
@@ -283,30 +267,26 @@ FilterEngine::ContentType FilterEngine::
   throw std::invalid_argument("Cannot convert argument to ContentType");
 }
 
 bool FilterEngine::IsFirstRun() const
 {
   return firstRun;
 }
 
-FilterPtr FilterEngine::GetFilter(const std::string& text)
+FilterPtr FilterEngine::GetFilter(const std::string& text) const
 {
   JsValuePtr func = jsEngine->Evaluate("API.getFilterFromText");
-  JsValueList params;
-  params.push_back(jsEngine->NewValue(text));
-  return FilterPtr(new Filter(std::move(*func->Call(params))));
+  return FilterPtr(new Filter(std::move(*func->Call(jsEngine->NewValue(text)))));
 }
 
-SubscriptionPtr FilterEngine::GetSubscription(const std::string& url)
+SubscriptionPtr FilterEngine::GetSubscription(const std::string& url) const
 {
   JsValuePtr func = jsEngine->Evaluate("API.getSubscriptionFromUrl");
-  JsValueList params;
-  params.push_back(jsEngine->NewValue(url));
-  return SubscriptionPtr(new Subscription(std::move(*func->Call(params))));
+  return SubscriptionPtr(new Subscription(std::move(*func->Call(jsEngine->NewValue(url)))));
 }
 
 std::vector<FilterPtr> FilterEngine::GetListedFilters() const
 {
   JsValuePtr func = jsEngine->Evaluate("API.getListedFilters");
   JsValueList values = func->Call()->AsList();
   std::vector<FilterPtr> result;
   for (JsValueList::iterator it = values.begin(); it != values.end(); it++)
@@ -332,17 +312,17 @@ std::vector<SubscriptionPtr> FilterEngin
   for (JsValueList::iterator it = values.begin(); it != values.end(); it++)
     result.push_back(SubscriptionPtr(new Subscription(std::move(**it))));
   return result;
 }
 
 void FilterEngine::ShowNextNotification(const std::string& url)
 {
   JsValuePtr func = jsEngine->Evaluate("API.showNextNotification");
-  JsValueList params;
+  JsConstValueList params;
   if (!url.empty())
   {
     params.push_back(jsEngine->NewValue(url));
   }
   func->Call(params);
 }
 
 void FilterEngine::SetShowNotificationCallback(const ShowNotificationCallback& value)
@@ -401,63 +381,57 @@ bool FilterEngine::IsElemhideWhitelisted
     return !!GetWhitelistingFilter(url, CONTENT_TYPE_ELEMHIDE, documentUrls);
 }
 
 AdblockPlus::FilterPtr FilterEngine::CheckFilterMatch(const std::string& url,
     ContentTypeMask contentTypeMask,
     const std::string& documentUrl) const
 {
   JsValuePtr func = jsEngine->Evaluate("API.checkFilterMatch");
-  JsValueList params;
+  JsConstValueList params;
   params.push_back(jsEngine->NewValue(url));
   params.push_back(jsEngine->NewValue(contentTypeMask));
   params.push_back(jsEngine->NewValue(documentUrl));
   JsValuePtr result = func->Call(params);
   if (!result->IsNull())
     return FilterPtr(new Filter(std::move(*result)));
   else
     return FilterPtr();
 }
 
 std::vector<std::string> FilterEngine::GetElementHidingSelectors(const std::string& domain) const
 {
   JsValuePtr func = jsEngine->Evaluate("API.getElementHidingSelectors");
-  JsValueList params;
-  params.push_back(jsEngine->NewValue(domain));
-  JsValueList result = func->Call(params)->AsList();
+  JsValueList result = func->Call(jsEngine->NewValue(domain))->AsList();
   std::vector<std::string> selectors;
   for (const auto& r: result)
     selectors.push_back(r->AsString());
   return selectors;
 }
 
 JsValuePtr FilterEngine::GetPref(const std::string& pref) const
 {
   JsValuePtr func = jsEngine->Evaluate("API.getPref");
-  JsValueList params;
-  params.push_back(jsEngine->NewValue(pref));
-  return func->Call(params);
+  return func->Call(jsEngine->NewValue(pref));
 }
 
 void FilterEngine::SetPref(const std::string& pref, JsValuePtr value)
 {
   JsValuePtr func = jsEngine->Evaluate("API.setPref");
-  JsValueList params;
+  JsConstValueList params;
   params.push_back(jsEngine->NewValue(pref));
   if (value)
     params.push_back(value);
   func->Call(params);
 }
 
-std::string FilterEngine::GetHostFromURL(const std::string& url)
+std::string FilterEngine::GetHostFromURL(const std::string& url) const
 {
   JsValuePtr func = jsEngine->Evaluate("API.getHostFromUrl");
-  JsValueList params;
-  params.push_back(jsEngine->NewValue(url));
-  return func->Call(params)->AsString();
+  return func->Call(jsEngine->NewValue(url))->AsString();
 }
 
 void FilterEngine::SetUpdateAvailableCallback(
     FilterEngine::UpdateAvailableCallback callback)
 {
   jsEngine->SetEventCallback("updateAvailable",
       std::bind(&FilterEngine::UpdateAvailable, this, callback,
                 std::placeholders::_1));
@@ -474,17 +448,17 @@ void FilterEngine::UpdateAvailable(
   if (params.size() >= 1 && !params[0]->IsNull())
     callback(params[0]->AsString());
 }
 
 void FilterEngine::ForceUpdateCheck(
     const FilterEngine::UpdateCheckDoneCallback& callback)
 {
   JsValuePtr func = jsEngine->Evaluate("API.forceUpdateCheck");
-  JsValueList params;
+  JsConstValueList params;
   if (callback)
   {
     std::string eventName = "_updateCheckDone" + std::to_string(++updateCheckId);
     jsEngine->SetEventCallback(eventName, std::bind(&FilterEngine::UpdateCheckDone,
       this, eventName, callback, std::placeholders::_1));
     params.push_back(jsEngine->NewValue(eventName));
   }
   func->Call(params);
@@ -510,17 +484,17 @@ void FilterEngine::RemoveFilterChangeCal
   jsEngine->RemoveEventCallback("filterChange");
 }
 
 void FilterEngine::SetAllowedConnectionType(const std::string* value)
 {
   SetPref("allowed_connection_type", value ? jsEngine->NewValue(*value) : nullptr);
 }
 
-std::unique_ptr<std::string> FilterEngine::GetAllowedConnectionType()
+std::unique_ptr<std::string> FilterEngine::GetAllowedConnectionType() const
 {
    auto prefValue = GetPref("allowed_connection_type");
    if (prefValue->IsUndefined())
      return nullptr;
    return std::unique_ptr<std::string>(new std::string(prefValue->AsString()));
 }
 
 void FilterEngine::FilterChanged(FilterEngine::FilterChangeCallback callback, JsValueList& params)
@@ -539,19 +513,19 @@ void FilterEngine::ShowNotification(cons
   if (!params[0]->IsObject())
   {
     return;
   }
   callback(NotificationPtr(new Notification(std::move(*params[0]))));
 }
 
 
-int FilterEngine::CompareVersions(const std::string& v1, const std::string& v2)
+int FilterEngine::CompareVersions(const std::string& v1, const std::string& v2) const
 {
-  JsValueList params;
+  JsConstValueList params;
   params.push_back(jsEngine->NewValue(v1));
   params.push_back(jsEngine->NewValue(v2));
   JsValuePtr func = jsEngine->Evaluate("API.compareVersions");
   return func->Call(params)->AsInt();
 }
 
 FilterPtr FilterEngine::GetWhitelistingFilter(const std::string& url,
   ContentTypeMask contentTypeMask, const std::string& documentUrl) const