Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* This Source Code Form is subject to the terms of the Mozilla Public
       3             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       4             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       5             : 
       6             : #ifndef mozilla_dom_BoxObject_h__
       7             : #define mozilla_dom_BoxObject_h__
       8             : 
       9             : #include "mozilla/Attributes.h"
      10             : #include "mozilla/ErrorResult.h"
      11             : #include "nsCOMPtr.h"
      12             : #include "nsIBoxObject.h"
      13             : #include "nsPIBoxObject.h"
      14             : #include "nsPoint.h"
      15             : #include "nsAutoPtr.h"
      16             : #include "nsHashKeys.h"
      17             : #include "nsInterfaceHashtable.h"
      18             : #include "nsCycleCollectionParticipant.h"
      19             : #include "nsWrapperCache.h"
      20             : #include "nsRect.h"
      21             : 
      22             : class nsIFrame;
      23             : class nsIPresShell;
      24             : 
      25             : namespace mozilla {
      26             : namespace dom {
      27             : 
      28             : class Element;
      29             : 
      30             : class BoxObject : public nsPIBoxObject,
      31             :                   public nsWrapperCache
      32             : {
      33             :   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
      34         222 :   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(BoxObject)
      35             :   NS_DECL_NSIBOXOBJECT
      36             : 
      37             : public:
      38             :   BoxObject();
      39             : 
      40             :   // nsPIBoxObject
      41             :   virtual nsresult Init(nsIContent* aContent) override;
      42             :   virtual void Clear() override;
      43             :   virtual void ClearCachedValues() override;
      44             : 
      45             :   nsIFrame* GetFrame(bool aFlushLayout);
      46             :   nsIPresShell* GetPresShell(bool aFlushLayout);
      47             :   nsresult GetOffsetRect(nsIntRect& aRect);
      48             :   nsresult GetScreenPosition(nsIntPoint& aPoint);
      49             : 
      50             :   // Given a parent frame and a child frame, find the frame whose
      51             :   // next sibling is the given child frame and return its element
      52             :   static nsresult GetPreviousSibling(nsIFrame* aParentFrame, nsIFrame* aFrame,
      53             :                                      nsIDOMElement** aResult);
      54             : 
      55             :   // WebIDL (wraps old impls)
      56             :   nsIContent* GetParentObject() const;
      57             :   virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
      58             : 
      59             :   Element* GetElement() const;
      60             : 
      61             :   int32_t X();
      62             :   int32_t Y();
      63             :   int32_t GetScreenX(ErrorResult& aRv);
      64             :   int32_t GetScreenY(ErrorResult& aRv);
      65             :   int32_t Width();
      66             :   int32_t Height();
      67             : 
      68             :   already_AddRefed<nsISupports> GetPropertyAsSupports(const nsAString& propertyName);
      69             :   void SetPropertyAsSupports(const nsAString& propertyName, nsISupports* value);
      70             :   void GetProperty(const nsAString& propertyName, nsString& aRetVal, ErrorResult& aRv);
      71             :   void SetProperty(const nsAString& propertyName, const nsAString& propertyValue);
      72             :   void RemoveProperty(const nsAString& propertyName);
      73             : 
      74             :   already_AddRefed<Element> GetParentBox();
      75             :   already_AddRefed<Element> GetFirstChild();
      76             :   already_AddRefed<Element> GetLastChild();
      77             :   already_AddRefed<Element> GetNextSibling();
      78             :   already_AddRefed<Element> GetPreviousSibling();
      79             : 
      80             : protected:
      81             :   virtual ~BoxObject();
      82             : 
      83             :   nsAutoPtr<nsInterfaceHashtable<nsStringHashKey,nsISupports> > mPropertyTable; //[OWNER]
      84             : 
      85             :   nsIContent* mContent; // [WEAK]
      86             : };
      87             : 
      88             : } // namespace dom
      89             : } // namespace mozilla
      90             : 
      91             : #endif