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 nsIXULDocument_h___
7 #define nsIXULDocument_h___
8 
9 #include "nsISupports.h"
10 #include "nsString.h"
11 #include "nsCOMArray.h"
12 
13 class nsIXULTemplateBuilder;
14 class nsIContent;
15 
16 
17 // 81ba4be5-6cc5-478a-9b08-b3e7ed524455
18 #define NS_IXULDOCUMENT_IID \
19   {0x81ba4be5, 0x6cc5, 0x478a, {0x9b, 0x08, 0xb3, 0xe7, 0xed, 0x52, 0x44, 0x55}}
20 
21 
22 /*
23  * An XUL-specific extension to nsIDocument. Includes methods for
24  * setting the root resource of the document content model, a factory
25  * method for constructing the children of a node, etc.
26  */
27 class nsIXULDocument : public nsISupports
28 {
29 public:
30   NS_DECLARE_STATIC_IID_ACCESSOR(NS_IXULDOCUMENT_IID)
31 
32   /**
33    * Get the elements for a particular resource --- all elements whose 'id'
34    * or 'ref' is aID. The nsCOMArray will be truncated and filled in with
35    * nsIContent pointers.
36    */
37   virtual void GetElementsForID(const nsAString& aID, nsCOMArray<nsIContent>& aElements) = 0;
38 
39   /**
40    * Notify the XUL document that a subtree has been added
41    */
42   NS_IMETHOD AddSubtreeToDocument(nsIContent* aElement) = 0;
43 
44   /**
45    * Notify the XUL document that a subtree has been removed
46    */
47   NS_IMETHOD RemoveSubtreeFromDocument(nsIContent* aElement) = 0;
48 
49   /**
50    * Attach a XUL template builder to the specified content node.
51    * @param aBuilder the template builder to attach, or null if
52    *   the builder is to be removed.
53    */
54   NS_IMETHOD SetTemplateBuilderFor(nsIContent* aContent, nsIXULTemplateBuilder* aBuilder) = 0;
55 
56   /**
57    * Retrieve the XUL template builder that's attached to a content
58    * node.
59    */
60   NS_IMETHOD GetTemplateBuilderFor(nsIContent* aContent, nsIXULTemplateBuilder** aResult) = 0;
61 
62   /**
63    * This is invoked whenever the prototype for this document is loaded
64    * and should be walked, regardless of whether the XUL cache is
65    * disabled, whether the protototype was loaded, whether the
66    * prototype was loaded from the cache or created by parsing the
67    * actual XUL source, etc.
68    *
69    * @param aResumeWalk whether this should also call ResumeWalk().
70    * Sometimes the caller of OnPrototypeLoadDone resumes the walk itself
71    */
72   NS_IMETHOD OnPrototypeLoadDone(bool aResumeWalk) = 0;
73 
74   /**
75    * Callback notifying when a document could not be parsed properly.
76    */
77   virtual bool OnDocumentParserError() = 0;
78 
79   /**
80    * Reset the document direction so that it is recomputed.
81    */
82   virtual void ResetDocumentDirection() = 0;
83 
84   virtual void ResetDocumentLWTheme() = 0;
85 };
86 
87 NS_DEFINE_STATIC_IID_ACCESSOR(nsIXULDocument, NS_IXULDOCUMENT_IID)
88 
89 // factory functions
90 nsresult NS_NewXULDocument(nsIXULDocument** result);
91 
92 #endif // nsIXULDocument_h___
93