зеркало из https://github.com/mozilla/pjs.git
365 строки
13 KiB
C++
365 строки
13 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* The contents of this file are subject to the Netscape Public
|
|
* License Version 1.1 (the "License"); you may not use this file
|
|
* except in compliance with the License. You may obtain a copy of
|
|
* the License at http://www.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS
|
|
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
|
|
* implied. See the License for the specific language governing
|
|
* rights and limitations under the License.
|
|
*
|
|
* The Original Code is mozilla.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is Netscape
|
|
* Communications Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All
|
|
* Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*/
|
|
#ifndef nsIDocument_h___
|
|
#define nsIDocument_h___
|
|
|
|
#include "nslayout.h"
|
|
#include "nsISupports.h"
|
|
#include "nsIUnicharInputStream.h"
|
|
#include "nsGUIEvent.h"
|
|
#include "nsAWritableString.h"
|
|
|
|
class nsIAtom;
|
|
class nsIArena;
|
|
class nsIContent;
|
|
class nsIDocumentContainer;
|
|
class nsIDocumentObserver;
|
|
class nsIPresContext;
|
|
class nsIPresShell;
|
|
|
|
class nsIStreamListener;
|
|
class nsIStreamObserver;
|
|
class nsIStyleSet;
|
|
class nsIStyleSheet;
|
|
class nsIStyleRule;
|
|
class nsIURI;
|
|
class nsILoadGroup;
|
|
class nsIViewManager;
|
|
class nsIScriptGlobalObject;
|
|
class nsIDOMEvent;
|
|
class nsIDeviceContext;
|
|
class nsIParser;
|
|
class nsIDOMNode;
|
|
class nsIXIFConverter;
|
|
class nsINameSpaceManager;
|
|
class nsIDOMDocumentFragment;
|
|
class nsILineBreaker;
|
|
class nsIWordBreaker;
|
|
class nsIDOMSelection;
|
|
class nsIChannel;
|
|
class nsIPrincipal;
|
|
class nsINodeInfoManager;
|
|
class nsIDOMDocument;
|
|
class nsIDOMDocumentType;
|
|
class nsIBindingManager;
|
|
class nsIObserver;
|
|
class nsISupportsArray;
|
|
|
|
// IID for the nsIDocument interface
|
|
#define NS_IDOCUMENT_IID \
|
|
{ 0x94c6ceb0, 0x9447, 0x11d1, \
|
|
{0x93, 0x23, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32} }
|
|
|
|
// The base value for the content ID counter.
|
|
// This counter is used by the document to
|
|
// assign a monotonically increasing ID to each content
|
|
// object it creates
|
|
#define NS_CONTENT_ID_COUNTER_BASE 10000
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
// Document interface
|
|
class nsIDocument : public nsISupports {
|
|
public:
|
|
static const nsIID& GetIID() { static nsIID iid = NS_IDOCUMENT_IID; return iid; }
|
|
|
|
// All documents have a memory arena associated with them which is
|
|
// used for memory allocation during document creation. This call
|
|
// returns the arena associated with this document.
|
|
virtual nsIArena* GetArena() = 0;
|
|
|
|
NS_IMETHOD StartDocumentLoad(const char* aCommand,
|
|
nsIChannel* aChannel,
|
|
nsILoadGroup* aLoadGroup,
|
|
nsISupports* aContainer,
|
|
nsIStreamListener **aDocListener,
|
|
PRBool aReset) = 0;
|
|
|
|
NS_IMETHOD StopDocumentLoad() = 0;
|
|
|
|
/**
|
|
* Return the title of the document. May return null.
|
|
*/
|
|
virtual const nsString* GetDocumentTitle() const = 0;
|
|
|
|
/**
|
|
* Return the URL for the document. May return null.
|
|
*/
|
|
virtual nsIURI* GetDocumentURL() const = 0;
|
|
|
|
/**
|
|
* Return the principal responsible for this document.
|
|
*/
|
|
NS_IMETHOD GetPrincipal(nsIPrincipal **aPrincipal) = 0;
|
|
|
|
/**
|
|
* Update principal responsible for this document to the intersection
|
|
* of its previous value and aPrincipal.
|
|
*/
|
|
NS_IMETHOD AddPrincipal(nsIPrincipal *aPrincipal) = 0;
|
|
|
|
/**
|
|
* Return the LoadGroup for the document. May return null.
|
|
*/
|
|
NS_IMETHOD GetDocumentLoadGroup(nsILoadGroup** aGroup) const = 0;
|
|
|
|
/**
|
|
* Return the base URL for realtive URLs in the document. May return null (or the document URL).
|
|
*/
|
|
NS_IMETHOD GetBaseURL(nsIURI*& aURL) const = 0;
|
|
|
|
/**
|
|
* Return the content (mime) type of this document.
|
|
*/
|
|
NS_IMETHOD GetContentType(nsAWritableString& aContentType) const = 0;
|
|
|
|
/**
|
|
* Return a standard name for the document's character set. This will
|
|
* trigger a startDocumentLoad if necessary to answer the question.
|
|
*/
|
|
NS_IMETHOD GetDocumentCharacterSet(nsAWritableString& oCharSetID) = 0;
|
|
NS_IMETHOD SetDocumentCharacterSet(const nsAReadableString& aCharSetID) = 0;
|
|
|
|
/**
|
|
* Add an observer that gets notified whenever the charset changes.
|
|
*/
|
|
NS_IMETHOD AddCharSetObserver(nsIObserver* aObserver) = 0;
|
|
|
|
/**
|
|
* Remove a charset observer.
|
|
*/
|
|
NS_IMETHOD RemoveCharSetObserver(nsIObserver* aObserver) = 0;
|
|
|
|
/**
|
|
* Return the Line Breaker for the document
|
|
*/
|
|
NS_IMETHOD GetLineBreaker(nsILineBreaker** aResult) = 0;
|
|
NS_IMETHOD SetLineBreaker(nsILineBreaker* aLineBreaker) = 0;
|
|
NS_IMETHOD GetWordBreaker(nsIWordBreaker** aResult) = 0;
|
|
NS_IMETHOD SetWordBreaker(nsIWordBreaker* aWordBreaker) = 0;
|
|
|
|
/**
|
|
* Access HTTP header data (this may also get set from other sources, like
|
|
* HTML META tags).
|
|
*/
|
|
NS_IMETHOD GetHeaderData(nsIAtom* aHeaderField, nsAWritableString& aData) const = 0;
|
|
NS_IMETHOD SetHeaderData(nsIAtom* aheaderField, const nsAReadableString& aData) = 0;
|
|
|
|
/**
|
|
* Create a new presentation shell that will use aContext for
|
|
* it's presentation context (presentation context's <b>must not</b> be
|
|
* shared among multiple presentation shell's).
|
|
*/
|
|
NS_IMETHOD CreateShell(nsIPresContext* aContext,
|
|
nsIViewManager* aViewManager,
|
|
nsIStyleSet* aStyleSet,
|
|
nsIPresShell** aInstancePtrResult) = 0;
|
|
virtual PRBool DeleteShell(nsIPresShell* aShell) = 0;
|
|
virtual PRInt32 GetNumberOfShells() = 0;
|
|
virtual nsIPresShell* GetShellAt(PRInt32 aIndex) = 0;
|
|
|
|
/**
|
|
* Return the parent document of this document. Will return null
|
|
* unless this document is within a compound document and has a parent.
|
|
*/
|
|
virtual nsIDocument* GetParentDocument() = 0;
|
|
virtual void SetParentDocument(nsIDocument* aParent) = 0;
|
|
virtual void AddSubDocument(nsIDocument* aSubDoc) = 0;
|
|
virtual PRInt32 GetNumberOfSubDocuments() = 0;
|
|
virtual nsIDocument* GetSubDocumentAt(PRInt32 aIndex) = 0;
|
|
|
|
/**
|
|
* Return the root content object for this document.
|
|
*/
|
|
virtual nsIContent* GetRootContent() = 0;
|
|
virtual void SetRootContent(nsIContent* aRoot) = 0;
|
|
|
|
/**
|
|
* Methods to append to the prolog and epilog of
|
|
* a document. The prolog is the content before the document
|
|
* element, the epilog after.
|
|
*/
|
|
NS_IMETHOD AppendToProlog(nsIContent* aContent) = 0;
|
|
NS_IMETHOD AppendToEpilog(nsIContent* aContent) = 0;
|
|
|
|
/**
|
|
* Get the direct children of the document - content in
|
|
* the prolog, the root content and content in the epilog.
|
|
*/
|
|
NS_IMETHOD ChildAt(PRInt32 aIndex, nsIContent*& aResult) const = 0;
|
|
NS_IMETHOD IndexOf(nsIContent* aPossibleChild, PRInt32& aIndex) const = 0;
|
|
NS_IMETHOD GetChildCount(PRInt32& aCount) = 0;
|
|
|
|
/**
|
|
* Get the style sheets owned by this document.
|
|
* Style sheets are ordered, most significant last.
|
|
*/
|
|
virtual PRInt32 GetNumberOfStyleSheets() = 0;
|
|
virtual nsIStyleSheet* GetStyleSheetAt(PRInt32 aIndex) = 0;
|
|
virtual PRInt32 GetIndexOfStyleSheet(nsIStyleSheet* aSheet) = 0;
|
|
virtual void AddStyleSheet(nsIStyleSheet* aSheet) = 0;
|
|
virtual void RemoveStyleSheet(nsIStyleSheet* aSheet) = 0;
|
|
NS_IMETHOD UpdateStyleSheets(nsISupportsArray* aOldSheets, nsISupportsArray* aNewSheets) = 0;
|
|
|
|
NS_IMETHOD InsertStyleSheetAt(nsIStyleSheet* aSheet, PRInt32 aIndex, PRBool aNotify) = 0;
|
|
virtual void SetStyleSheetDisabledState(nsIStyleSheet* aSheet,
|
|
PRBool mDisabled) = 0;
|
|
|
|
/**
|
|
* Set the object from which a document can get a script context.
|
|
* This is the context within which all scripts (during document
|
|
* creation and during event handling) will run.
|
|
*/
|
|
NS_IMETHOD GetScriptGlobalObject(nsIScriptGlobalObject** aGlobalObject) = 0;
|
|
NS_IMETHOD SetScriptGlobalObject(nsIScriptGlobalObject* aGlobalObject) = 0;
|
|
|
|
/**
|
|
* Get the name space manager for this document
|
|
*/
|
|
NS_IMETHOD GetNameSpaceManager(nsINameSpaceManager*& aManager) = 0;
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
// Document notification API's
|
|
|
|
/**
|
|
* Add a new observer of document change notifications. Whenever
|
|
* content is changed, appended, inserted or removed the observers are
|
|
* informed.
|
|
*/
|
|
virtual void AddObserver(nsIDocumentObserver* aObserver) = 0;
|
|
|
|
/**
|
|
* Remove an observer of document change notifications. This will
|
|
* return false if the observer cannot be found.
|
|
*/
|
|
virtual PRBool RemoveObserver(nsIDocumentObserver* aObserver) = 0;
|
|
|
|
// Observation hooks used by content nodes to propagate
|
|
// notifications to document observers.
|
|
NS_IMETHOD BeginUpdate() = 0;
|
|
NS_IMETHOD EndUpdate() = 0;
|
|
NS_IMETHOD BeginLoad() = 0;
|
|
NS_IMETHOD EndLoad() = 0;
|
|
NS_IMETHOD ContentChanged(nsIContent* aContent,
|
|
nsISupports* aSubContent) = 0;
|
|
// notify that one or two content nodes changed state
|
|
// either may be nsnull, but not both
|
|
NS_IMETHOD ContentStatesChanged(nsIContent* aContent1,
|
|
nsIContent* aContent2) = 0;
|
|
NS_IMETHOD AttributeChanged(nsIContent* aChild,
|
|
PRInt32 aNameSpaceID,
|
|
nsIAtom* aAttribute,
|
|
PRInt32 aHint) = 0; // See nsStyleConsts fot hint values
|
|
NS_IMETHOD ContentAppended(nsIContent* aContainer,
|
|
PRInt32 aNewIndexInContainer) = 0;
|
|
NS_IMETHOD ContentInserted(nsIContent* aContainer,
|
|
nsIContent* aChild,
|
|
PRInt32 aIndexInContainer) = 0;
|
|
NS_IMETHOD ContentReplaced(nsIContent* aContainer,
|
|
nsIContent* aOldChild,
|
|
nsIContent* aNewChild,
|
|
PRInt32 aIndexInContainer) = 0;
|
|
NS_IMETHOD ContentRemoved(nsIContent* aContainer,
|
|
nsIContent* aChild,
|
|
PRInt32 aIndexInContainer) = 0;
|
|
|
|
// Observation hooks for style data to propogate notifications
|
|
// to document observers
|
|
NS_IMETHOD StyleRuleChanged(nsIStyleSheet* aStyleSheet,
|
|
nsIStyleRule* aStyleRule,
|
|
PRInt32 aHint) = 0; // See nsStyleConsts fot hint values
|
|
NS_IMETHOD StyleRuleAdded(nsIStyleSheet* aStyleSheet,
|
|
nsIStyleRule* aStyleRule) = 0;
|
|
NS_IMETHOD StyleRuleRemoved(nsIStyleSheet* aStyleSheet,
|
|
nsIStyleRule* aStyleRule) = 0;
|
|
|
|
/**
|
|
* Finds text in content
|
|
*/
|
|
NS_IMETHOD FindNext(const nsAReadableString &aSearchStr, PRBool aMatchCase, PRBool aSearchDown, PRBool &aIsFound) = 0;
|
|
|
|
/**
|
|
* Converts the document or a selection of the
|
|
* document to XIF (XML Interchange Format)
|
|
* and places the result in aBuffer.
|
|
|
|
* NOTE: we may way to place the result in a stream,
|
|
* but we will use a string for now -- gpk
|
|
*/
|
|
NS_IMETHOD CreateXIF(nsAWritableString & aBuffer, nsIDOMSelection* aSelection = nsnull) = 0;
|
|
NS_IMETHOD ToXIF(nsIXIFConverter * aConverter, nsIDOMNode* aNode) = 0;
|
|
virtual void BeginConvertToXIF(nsIXIFConverter * aConverter, nsIDOMNode* aNode) = 0;
|
|
virtual void ConvertChildrenToXIF(nsIXIFConverter * aConverter, nsIDOMNode* aNode) = 0;
|
|
virtual void FinishConvertToXIF(nsIXIFConverter * aConverter, nsIDOMNode* aNode) = 0;
|
|
|
|
/* Helper methods to help determine the logical positioning of content */
|
|
virtual PRBool IsInSelection(nsIDOMSelection* aSelection, const nsIContent *aContent) const = 0;
|
|
virtual nsIContent* GetPrevContent(const nsIContent *aContent) const = 0;
|
|
virtual nsIContent* GetNextContent(const nsIContent *aContent) const = 0;
|
|
|
|
NS_IMETHOD HandleDOMEvent(nsIPresContext* aPresContext,
|
|
nsEvent* aEvent,
|
|
nsIDOMEvent** aDOMEvent,
|
|
PRUint32 aFlags,
|
|
nsEventStatus* aEventStatus) = 0;
|
|
|
|
NS_IMETHOD FlushPendingNotifications() = 0;
|
|
|
|
NS_IMETHOD GetAndIncrementContentID(PRInt32* aID) = 0;
|
|
|
|
NS_IMETHOD GetBindingManager(nsIBindingManager** aResult) = 0;
|
|
|
|
NS_IMETHOD GetNodeInfoManager(nsINodeInfoManager*& aNodeInfoManager) = 0;
|
|
};
|
|
|
|
|
|
// XXX These belong somewhere else
|
|
extern NS_LAYOUT nsresult
|
|
NS_NewHTMLDocument(nsIDocument** aInstancePtrResult);
|
|
|
|
extern NS_LAYOUT nsresult
|
|
NS_NewXMLDocument(nsIDocument** aInstancePtrResult);
|
|
|
|
extern NS_LAYOUT nsresult
|
|
NS_NewImageDocument(nsIDocument** aInstancePtrResult);
|
|
|
|
extern NS_LAYOUT nsresult
|
|
NS_NewDocumentFragment(nsIDOMDocumentFragment** aInstancePtrResult,
|
|
nsIDocument* aOwnerDocument);
|
|
extern NS_LAYOUT nsresult
|
|
NS_NewDOMDocument(nsIDOMDocument** aInstancePtrResult,
|
|
const nsAReadableString& aNamespaceURI,
|
|
const nsAReadableString& aQualifiedName,
|
|
nsIDOMDocumentType* aDoctype,
|
|
nsIURI* aBaseURI);
|
|
|
|
// Note: The buffer passed into NewPostData(...) becomes owned by the IPostData
|
|
// instance and is freed when the instance is destroyed...
|
|
//
|
|
#if 0
|
|
extern NS_LAYOUT nsresult
|
|
NS_NewPostData(PRBool aIsFile, char *aData, nsIPostData** aInstancePtrResult);
|
|
#endif
|
|
|
|
#endif /* nsIDocument_h___ */
|