dom/base/nsTextNode.h

   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 nsTextNode_h
   7 #define nsTextNode_h
   8
   9 /*
  10  * Implementation of DOM Core's nsIDOMText node.
  11  */
  12
  13 #include "mozilla/Attributes.h"
  14 #include "mozilla/dom/Text.h"
  15 #include "nsIDOMText.h"
  16 #include "nsDebug.h"
  17
  18 class nsNodeInfoManager;
  19
  20 /**
  21  * Class used to implement DOM text nodes
  22  */
  23 class nsTextNode : public mozilla::dom::Text,
  24                    public nsIDOMText
  25 {
  26 private:
  27   void Init()
  28   {
  29     NS_ABORT_IF_FALSE(mNodeInfo->NodeType() == nsIDOMNode::TEXT_NODE,
  30                       "Bad NodeType in aNodeInfo");
  31   }
  32
  33 public:
  34   explicit nsTextNode(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
  35     : mozilla::dom::Text(aNodeInfo)
  36   {
  37     Init();
  38   }
  39
  40   explicit nsTextNode(nsNodeInfoManager* aNodeInfoManager)
  41     : mozilla::dom::Text(aNodeInfoManager->GetTextNodeInfo())
  42   {
  43     Init();
  44   }
  45
  46   // nsISupports
  47   NS_DECL_ISUPPORTS_INHERITED
  48
  49   // nsIDOMNode
  50   NS_FORWARD_NSIDOMNODE_TO_NSINODE
  51
  52   // nsIDOMCharacterData
  53   NS_FORWARD_NSIDOMCHARACTERDATA(nsGenericDOMDataNode::)
  54   using nsGenericDOMDataNode::SetData; // Prevent hiding overloaded virtual function.
  55
  56   // nsIDOMText
  57   NS_FORWARD_NSIDOMTEXT(nsGenericDOMDataNode::)
  58
  59   // nsINode
  60   virtual bool IsNodeOfType(uint32_t aFlags) const MOZ_OVERRIDE;
  61
  62   virtual nsGenericDOMDataNode* CloneDataNode(mozilla::dom::NodeInfo *aNodeInfo,
  63                                               bool aCloneText) const MOZ_OVERRIDE;
  64
  65   virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,
  66                               nsIContent* aBindingParent,
  67                               bool aCompileEventHandlers) MOZ_OVERRIDE;
  68   virtual void UnbindFromTree(bool aDeep = true,
  69                               bool aNullParent = true) MOZ_OVERRIDE;
  70
  71   nsresult AppendTextForNormalize(const char16_t* aBuffer, uint32_t aLength,
  72                                   bool aNotify, nsIContent* aNextSibling);
  73
  74   virtual nsIDOMNode* AsDOMNode() MOZ_OVERRIDE { return this; }
  75
  76 #ifdef DEBUG
  77   virtual void List(FILE* out, int32_t aIndent) const MOZ_OVERRIDE;
  78   virtual void DumpContent(FILE* out, int32_t aIndent, bool aDumpAll) const MOZ_OVERRIDE;
  79 #endif
  80
  81 protected:
  82   virtual ~nsTextNode();
  83
  84   virtual JSObject* WrapNode(JSContext *aCx) MOZ_OVERRIDE;
  85 };
  86
  87 #endif // nsTextNode_h