1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
3 /* This Source Code Form is subject to the terms of the Mozilla Public
4  * License, v. 2.0. If a copy of the MPL was not distributed with this
5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 
7 #ifndef nsTextNode_h
8 #define nsTextNode_h
9 
10 /*
11  * Implementation of DOM Core's nsIDOMText node.
12  */
13 
14 #include "mozilla/Attributes.h"
15 #include "mozilla/dom/Text.h"
16 #include "nsIDOMText.h"
17 #include "nsDebug.h"
18 
19 class nsNodeInfoManager;
20 
21 /**
22  * Class used to implement DOM text nodes
23  */
24 class nsTextNode : public mozilla::dom::Text, public nsIDOMText {
25  private:
Init()26   void Init() {
27     MOZ_ASSERT(mNodeInfo->NodeType() == TEXT_NODE, "Bad NodeType in aNodeInfo");
28   }
29 
30  public:
nsTextNode(already_AddRefed<mozilla::dom::NodeInfo> & aNodeInfo)31   explicit nsTextNode(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
32       : mozilla::dom::Text(aNodeInfo) {
33     Init();
34   }
35 
nsTextNode(nsNodeInfoManager * aNodeInfoManager)36   explicit nsTextNode(nsNodeInfoManager* aNodeInfoManager)
37       : mozilla::dom::Text(aNodeInfoManager->GetTextNodeInfo()) {
38     Init();
39   }
40 
41   // nsISupports
42   NS_DECL_ISUPPORTS_INHERITED
43 
44   // nsIDOMCharacterData
45   NS_FORWARD_NSIDOMCHARACTERDATA(nsGenericDOMDataNode::)
46   using nsGenericDOMDataNode::SetData;  // Prevent hiding overloaded virtual
47                                         // function.
48 
49   // nsIDOMText
50   NS_FORWARD_NSIDOMTEXT(nsGenericDOMDataNode::)
51 
52   // nsINode
53   virtual bool IsNodeOfType(uint32_t aFlags) const override;
54 
55   virtual nsGenericDOMDataNode* CloneDataNode(mozilla::dom::NodeInfo* aNodeInfo,
56                                               bool aCloneText) const override;
57 
58   virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,
59                               nsIContent* aBindingParent,
60                               bool aCompileEventHandlers) override;
61   virtual void UnbindFromTree(bool aDeep = true,
62                               bool aNullParent = true) override;
63 
64   nsresult AppendTextForNormalize(const char16_t* aBuffer, uint32_t aLength,
65                                   bool aNotify, nsIContent* aNextSibling);
66 
AsDOMNode()67   virtual nsIDOMNode* AsDOMNode() override { return this; }
68 
69   // Need to have a copy here because including nsDocument.h in this file will
70   // fail to build on Windows.
71   static bool IsShadowDOMEnabled(JSContext* aCx, JSObject* aObject);
72 
73 #ifdef DEBUG
74   virtual void List(FILE* out, int32_t aIndent) const override;
75   virtual void DumpContent(FILE* out, int32_t aIndent,
76                            bool aDumpAll) const override;
77 #endif
78 
79  protected:
80   virtual ~nsTextNode();
81 
82   virtual JSObject* WrapNode(JSContext* aCx,
83                              JS::Handle<JSObject*> aGivenProto) override;
84 };
85 
86 #endif  // nsTextNode_h
87