michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef mozilla_dom_URLSearchParams_h
michael@0: #define mozilla_dom_URLSearchParams_h
michael@0: 
michael@0: #include "mozilla/dom/BindingDeclarations.h"
michael@0: #include "mozilla/ErrorResult.h"
michael@0: #include "nsCycleCollectionParticipant.h"
michael@0: #include "nsWrapperCache.h"
michael@0: #include "nsClassHashtable.h"
michael@0: #include "nsHashKeys.h"
michael@0: #include "nsISupports.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace dom {
michael@0: 
michael@0: class URLSearchParamsObserver : public nsISupports
michael@0: {
michael@0: public:
michael@0:   virtual ~URLSearchParamsObserver() {}
michael@0: 
michael@0:   virtual void URLSearchParamsUpdated() = 0;
michael@0: };
michael@0: 
michael@0: class URLSearchParams MOZ_FINAL : public nsISupports,
michael@0:                                   public nsWrapperCache
michael@0: {
michael@0: public:
michael@0:   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
michael@0:   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(URLSearchParams)
michael@0: 
michael@0:   URLSearchParams();
michael@0:   ~URLSearchParams();
michael@0: 
michael@0:   // WebIDL methods
michael@0:   nsISupports* GetParentObject() const
michael@0:   {
michael@0:     return nullptr;
michael@0:   }
michael@0: 
michael@0:   virtual JSObject*
michael@0:   WrapObject(JSContext* aCx) MOZ_OVERRIDE;
michael@0: 
michael@0:   static already_AddRefed<URLSearchParams>
michael@0:   Constructor(const GlobalObject& aGlobal, const nsAString& aInit,
michael@0:               ErrorResult& aRv);
michael@0: 
michael@0:   static already_AddRefed<URLSearchParams>
michael@0:   Constructor(const GlobalObject& aGlobal, URLSearchParams& aInit,
michael@0:               ErrorResult& aRv);
michael@0: 
michael@0:   void ParseInput(const nsACString& aInput,
michael@0:                   URLSearchParamsObserver* aObserver);
michael@0: 
michael@0:   void AddObserver(URLSearchParamsObserver* aObserver);
michael@0:   void RemoveObserver(URLSearchParamsObserver* aObserver);
michael@0: 
michael@0:   void Serialize(nsAString& aValue) const;
michael@0: 
michael@0:   void Get(const nsAString& aName, nsString& aRetval);
michael@0: 
michael@0:   void GetAll(const nsAString& aName, nsTArray<nsString >& aRetval);
michael@0: 
michael@0:   void Set(const nsAString& aName, const nsAString& aValue);
michael@0: 
michael@0:   void Append(const nsAString& aName, const nsAString& aValue);
michael@0: 
michael@0:   bool Has(const nsAString& aName);
michael@0: 
michael@0:   void Delete(const nsAString& aName);
michael@0: 
michael@0:   void Stringify(nsString& aRetval)
michael@0:   {
michael@0:     Serialize(aRetval);
michael@0:   }
michael@0: 
michael@0: private:
michael@0:   void AppendInternal(const nsAString& aName, const nsAString& aValue);
michael@0: 
michael@0:   void DeleteAll();
michael@0: 
michael@0:   void DecodeString(const nsACString& aInput, nsACString& aOutput);
michael@0: 
michael@0:   void NotifyObservers(URLSearchParamsObserver* aExceptObserver);
michael@0: 
michael@0:   static PLDHashOperator
michael@0:   CopyEnumerator(const nsAString& aName, nsTArray<nsString>* aArray,
michael@0:                  void *userData);
michael@0: 
michael@0:   static PLDHashOperator
michael@0:   SerializeEnumerator(const nsAString& aName, nsTArray<nsString>* aArray,
michael@0:                       void *userData);
michael@0: 
michael@0:   nsClassHashtable<nsStringHashKey, nsTArray<nsString>> mSearchParams;
michael@0: 
michael@0:   nsTArray<nsRefPtr<URLSearchParamsObserver>> mObservers;
michael@0: };
michael@0: 
michael@0: } // namespace dom
michael@0: } // namespace mozilla
michael@0: 
michael@0: #endif /* mozilla_dom_URLSearchParams_h */